#include "quakedef.h"
#include "image.h"
#include "r_shadow.h"
+#include "winding.h"
+#include "curves.h"
// note: model_shared.c sets up r_notexture, and r_surf_notexture
-qbyte mod_novis[(MAX_MAP_LEAFS + 7)/ 8];
+qbyte mod_q1bsp_novis[(MAX_MAP_LEAFS + 7)/ 8];
//cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128"};
cvar_t halflifebsp = {0, "halflifebsp", "0"};
cvar_t r_miplightmaps = {CVAR_SAVE, "r_miplightmaps", "0"};
cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1"};
cvar_t r_nosurftextures = {0, "r_nosurftextures", "0"};
-cvar_t r_sortsurfaces = {0, "r_sortsurfaces", "0"};
-
-/*
-===============
-Mod_BrushInit
-===============
-*/
-void Mod_BrushInit (void)
+cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4"};
+cvar_t r_subdivisions_minlevel = {0, "r_subdivisions_minlevel", "0"};
+cvar_t r_subdivisions_maxlevel = {0, "r_subdivisions_maxlevel", "10"};
+cvar_t r_subdivisions_maxvertices = {0, "r_subdivisions_maxvertices", "65536"};
+cvar_t r_subdivisions_collision_tolerance = {0, "r_subdivisions_collision_tolerance", "15"};
+cvar_t r_subdivisions_collision_minlevel = {0, "r_subdivisions_collision_minlevel", "0"};
+cvar_t r_subdivisions_collision_maxlevel = {0, "r_subdivisions_collision_maxlevel", "10"};
+cvar_t r_subdivisions_collision_maxvertices = {0, "r_subdivisions_collision_maxvertices", "4225"};
+cvar_t mod_q3bsp_curves_collisions = {0, "mod_q3bsp_curves_collisions", "1"};
+cvar_t mod_q3bsp_optimizedtraceline = {0, "mod_q3bsp_optimizedtraceline", "1"};
+cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0"};
+
+static void Mod_Q1BSP_Collision_Init (void);
+void Mod_BrushInit(void)
{
// Cvar_RegisterVariable(&r_subdivide_size);
Cvar_RegisterVariable(&halflifebsp);
Cvar_RegisterVariable(&r_miplightmaps);
Cvar_RegisterVariable(&r_lightmaprgba);
Cvar_RegisterVariable(&r_nosurftextures);
- Cvar_RegisterVariable(&r_sortsurfaces);
- memset(mod_novis, 0xff, sizeof(mod_novis));
+ Cvar_RegisterVariable(&r_subdivisions_tolerance);
+ Cvar_RegisterVariable(&r_subdivisions_minlevel);
+ Cvar_RegisterVariable(&r_subdivisions_maxlevel);
+ Cvar_RegisterVariable(&r_subdivisions_maxvertices);
+ Cvar_RegisterVariable(&r_subdivisions_collision_tolerance);
+ Cvar_RegisterVariable(&r_subdivisions_collision_minlevel);
+ Cvar_RegisterVariable(&r_subdivisions_collision_maxlevel);
+ Cvar_RegisterVariable(&r_subdivisions_collision_maxvertices);
+ Cvar_RegisterVariable(&mod_q3bsp_curves_collisions);
+ Cvar_RegisterVariable(&mod_q3bsp_optimizedtraceline);
+ Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
+ memset(mod_q1bsp_novis, 0xff, sizeof(mod_q1bsp_novis));
+ Mod_Q1BSP_Collision_Init();
}
-/*
-===============
-Mod_PointInLeaf
-===============
-*/
-mleaf_t *Mod_PointInLeaf (const vec3_t p, model_t *model)
+static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
{
mnode_t *node;
// LordHavoc: modified to start at first clip node,
// in other words: first node of the (sub)model
- node = model->nodes + model->hulls[0].firstclipnode;
+ node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
while (node->contents == 0)
- node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct (p,node->plane->normal)) < node->plane->dist];
+ node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
return (mleaf_t *)node;
}
-int Mod_PointContents (const vec3_t p, model_t *model)
+static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p, qbyte *out, int outsize)
+{
+ int i;
+ mleaf_t *leaf;
+ leaf = Mod_Q1BSP_PointInLeaf(model, p);
+ if (leaf)
+ {
+ i = min(outsize, (int)sizeof(leaf->ambient_sound_level));
+ if (i)
+ {
+ memcpy(out, leaf->ambient_sound_level, i);
+ out += i;
+ outsize -= i;
+ }
+ }
+ if (outsize)
+ memset(out, 0, outsize);
+}
+
+static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
+{
+ int clusterindex, side, nodestackindex = 0;
+ mnode_t *node, *nodestack[1024];
+ node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
+ for (;;)
+ {
+ if (node->plane)
+ {
+ // node - recurse down the BSP tree
+ side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
+ if (side < 2)
+ {
+ // box is on one side of plane, take that path
+ node = node->children[side];
+ }
+ else
+ {
+ // box crosses plane, take one path and remember the other
+ nodestack[nodestackindex++] = node->children[0];
+ node = node->children[1];
+ }
+ }
+ else
+ {
+ // leaf - check cluster bit
+ clusterindex = ((mleaf_t *)node)->clusterindex;
+ if (CHECKPVSBIT(pvs, clusterindex))
+ {
+ // it is visible, return immediately with the news
+ return true;
+ }
+ else
+ {
+ // nothing to see here, try another path we didn't take earlier
+ if (nodestackindex == 0)
+ break;
+ node = nodestack[--nodestackindex];
+ }
+ }
+ }
+ // it is not visible
+ return false;
+}
+
+/*
+static int Mod_Q1BSP_PointContents(model_t *model, const vec3_t p)
{
mnode_t *node;
// LordHavoc: modified to start at first clip node,
// in other words: first node of the (sub)model
- node = model->nodes + model->hulls[0].firstclipnode;
+ node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
while (node->contents == 0)
- node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct (p,node->plane->normal)) < node->plane->dist];
+ node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
return ((mleaf_t *)node)->contents;
}
+*/
-void Mod_FindNonSolidLocation(vec3_t pos, model_t *mod)
+typedef struct findnonsolidlocationinfo_s
{
- if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[0]-=1;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[0]+=2;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[0]-=1;
- pos[1]-=1;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[1]+=2;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[1]-=1;
- pos[2]-=1;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[2]+=2;if (Mod_PointContents(pos, mod) != CONTENTS_SOLID) return;
- pos[2]-=1;
+ vec3_t center;
+ vec_t radius;
+ vec3_t nudge;
+ vec_t bestdist;
+ model_t *model;
}
+findnonsolidlocationinfo_t;
-
-/*
-===================
-Mod_DecompressVis
-===================
-*/
-static qbyte *Mod_DecompressVis (qbyte *in, model_t *model)
+#if 0
+extern cvar_t samelevel;
+#endif
+static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *info, mleaf_t *leaf)
{
- static qbyte decompressed[MAX_MAP_LEAFS/8];
- int c;
- qbyte *out;
- int row;
-
- row = (model->numleafs+7)>>3;
- out = decompressed;
-
- do
+ int i, surfnum, k, *tri, *mark;
+ float dist, f, vert[3][3], edge[3][3], facenormal[3], edgenormal[3][3], point[3];
+#if 0
+ float surfnormal[3];
+#endif
+ msurface_t *surf;
+ for (surfnum = 0, mark = leaf->firstmarksurface;surfnum < leaf->nummarksurfaces;surfnum++, mark++)
{
- if (*in)
- {
- *out++ = *in++;
- continue;
- }
-
- c = in[1];
- in += 2;
- while (c)
+ surf = info->model->brushq1.surfaces + *mark;
+ if (surf->flags & SURF_SOLIDCLIP)
{
- *out++ = 0;
- c--;
+#if 0
+ VectorCopy(surf->plane->normal, surfnormal);
+ if (surf->flags & SURF_PLANEBACK)
+ VectorNegate(surfnormal, surfnormal);
+#endif
+ for (k = 0;k < surf->mesh.num_triangles;k++)
+ {
+ tri = surf->mesh.data_element3i + k * 3;
+ VectorCopy((surf->mesh.data_vertex3f + tri[0] * 3), vert[0]);
+ VectorCopy((surf->mesh.data_vertex3f + tri[1] * 3), vert[1]);
+ VectorCopy((surf->mesh.data_vertex3f + tri[2] * 3), vert[2]);
+ VectorSubtract(vert[1], vert[0], edge[0]);
+ VectorSubtract(vert[2], vert[1], edge[1]);
+ CrossProduct(edge[1], edge[0], facenormal);
+ if (facenormal[0] || facenormal[1] || facenormal[2])
+ {
+ VectorNormalize(facenormal);
+#if 0
+ if (VectorDistance(facenormal, surfnormal) > 0.01f)
+ Con_Printf("a2! %f %f %f != %f %f %f\n", facenormal[0], facenormal[1], facenormal[2], surfnormal[0], surfnormal[1], surfnormal[2]);
+#endif
+ f = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
+ if (f <= info->bestdist && f >= -info->bestdist)
+ {
+ VectorSubtract(vert[0], vert[2], edge[2]);
+ VectorNormalize(edge[0]);
+ VectorNormalize(edge[1]);
+ VectorNormalize(edge[2]);
+ CrossProduct(facenormal, edge[0], edgenormal[0]);
+ CrossProduct(facenormal, edge[1], edgenormal[1]);
+ CrossProduct(facenormal, edge[2], edgenormal[2]);
+#if 0
+ if (samelevel.integer & 1)
+ VectorNegate(edgenormal[0], edgenormal[0]);
+ if (samelevel.integer & 2)
+ VectorNegate(edgenormal[1], edgenormal[1]);
+ if (samelevel.integer & 4)
+ VectorNegate(edgenormal[2], edgenormal[2]);
+ for (i = 0;i < 3;i++)
+ if (DotProduct(vert[0], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f
+ || DotProduct(vert[1], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f
+ || DotProduct(vert[2], edgenormal[i]) > DotProduct(vert[i], edgenormal[i]) + 0.1f)
+ Con_Printf("a! %i : %f %f %f (%f %f %f)\n", i, edgenormal[i][0], edgenormal[i][1], edgenormal[i][2], facenormal[0], facenormal[1], facenormal[2]);
+#endif
+ // face distance
+ if (DotProduct(info->center, edgenormal[0]) < DotProduct(vert[0], edgenormal[0])
+ && DotProduct(info->center, edgenormal[1]) < DotProduct(vert[1], edgenormal[1])
+ && DotProduct(info->center, edgenormal[2]) < DotProduct(vert[2], edgenormal[2]))
+ {
+ // we got lucky, the center is within the face
+ dist = DotProduct(info->center, facenormal) - DotProduct(vert[0], facenormal);
+ if (dist < 0)
+ {
+ dist = -dist;
+ if (info->bestdist > dist)
+ {
+ info->bestdist = dist;
+ VectorScale(facenormal, (info->radius - -dist), info->nudge);
+ }
+ }
+ else
+ {
+ if (info->bestdist > dist)
+ {
+ info->bestdist = dist;
+ VectorScale(facenormal, (info->radius - dist), info->nudge);
+ }
+ }
+ }
+ else
+ {
+ // check which edge or vertex the center is nearest
+ for (i = 0;i < 3;i++)
+ {
+ f = DotProduct(info->center, edge[i]);
+ if (f >= DotProduct(vert[0], edge[i])
+ && f <= DotProduct(vert[1], edge[i]))
+ {
+ // on edge
+ VectorMA(info->center, -f, edge[i], point);
+ dist = sqrt(DotProduct(point, point));
+ if (info->bestdist > dist)
+ {
+ info->bestdist = dist;
+ VectorScale(point, (info->radius / dist), info->nudge);
+ }
+ // skip both vertex checks
+ // (both are further away than this edge)
+ i++;
+ }
+ else
+ {
+ // not on edge, check first vertex of edge
+ VectorSubtract(info->center, vert[i], point);
+ dist = sqrt(DotProduct(point, point));
+ if (info->bestdist > dist)
+ {
+ info->bestdist = dist;
+ VectorScale(point, (info->radius / dist), info->nudge);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
}
- } while (out - decompressed < row);
-
- return decompressed;
+ }
}
-qbyte *Mod_LeafPVS (mleaf_t *leaf, model_t *model)
+static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, mnode_t *node)
{
- if (r_novis.integer || leaf == model->leafs || leaf->compressed_vis == NULL)
- return mod_novis;
- return Mod_DecompressVis (leaf->compressed_vis, model);
+ if (node->contents)
+ {
+ if (((mleaf_t *)node)->nummarksurfaces)
+ Mod_Q1BSP_FindNonSolidLocation_r_Leaf(info, (mleaf_t *)node);
+ }
+ else
+ {
+ float f = PlaneDiff(info->center, node->plane);
+ if (f >= -info->bestdist)
+ Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[0]);
+ if (f <= info->bestdist)
+ Mod_Q1BSP_FindNonSolidLocation_r(info, node->children[1]);
+ }
}
-/*
-=================
-Mod_LoadTextures
-=================
-*/
-static void Mod_LoadTextures (lump_t *l)
+static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
{
- int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
- miptex_t *dmiptex;
- texture_t *tx, *tx2, *anims[10], *altanims[10];
- dmiptexlump_t *m;
- qbyte *data, *mtdata;
- char name[256];
-
- loadmodel->textures = NULL;
-
- if (!l->filelen)
+ int i;
+ findnonsolidlocationinfo_t info;
+ if (model == NULL)
+ {
+ VectorCopy(in, out);
return;
-
- m = (dmiptexlump_t *)(mod_base + l->fileofs);
-
- m->nummiptex = LittleLong (m->nummiptex);
-
- // add two slots for notexture walls and notexture liquids
- loadmodel->numtextures = m->nummiptex + 2;
- loadmodel->textures = Mem_Alloc(loadmodel->mempool, loadmodel->numtextures * sizeof(texture_t));
-
- // fill out all slots with notexture
- for (i = 0, tx = loadmodel->textures;i < loadmodel->numtextures;i++, tx++)
+ }
+ VectorCopy(in, info.center);
+ info.radius = radius;
+ info.model = model;
+ i = 0;
+ do
{
- tx->number = i;
- strcpy(tx->name, "NO TEXTURE FOUND");
- tx->width = 16;
- tx->height = 16;
- tx->skin.base = r_notexture;
- tx->shader = &Cshader_wall_lightmap;
- if (i == loadmodel->numtextures - 1)
- {
- tx->flags = SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
- tx->shader = &Cshader_water;
- }
- tx->currentframe = tx;
+ VectorClear(info.nudge);
+ info.bestdist = radius;
+ Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode);
+ VectorAdd(info.center, info.nudge, info.center);
}
+ while (info.bestdist < radius && ++i < 10);
+ VectorCopy(info.center, out);
+}
- // just to work around bounds checking when debugging with it (array index out of bounds error thing)
- dofs = m->dataofs;
- // LordHavoc: mostly rewritten map texture loader
- for (i = 0;i < m->nummiptex;i++)
+int Mod_Q1BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
+{
+ switch(nativecontents)
{
- dofs[i] = LittleLong(dofs[i]);
- if (dofs[i] == -1 || r_nosurftextures.integer)
- continue;
- dmiptex = (miptex_t *)((qbyte *)m + dofs[i]);
+ case CONTENTS_EMPTY:
+ return 0;
+ case CONTENTS_SOLID:
+ return SUPERCONTENTS_SOLID;
+ case CONTENTS_WATER:
+ return SUPERCONTENTS_WATER;
+ case CONTENTS_SLIME:
+ return SUPERCONTENTS_SLIME;
+ case CONTENTS_LAVA:
+ return SUPERCONTENTS_LAVA;
+ case CONTENTS_SKY:
+ return SUPERCONTENTS_SKY;
+ }
+ return 0;
+}
- // make sure name is no more than 15 characters
- for (j = 0;dmiptex->name[j] && j < 15;j++)
- name[j] = dmiptex->name[j];
- name[j] = 0;
+int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
+{
+ if (supercontents & SUPERCONTENTS_SOLID)
+ return CONTENTS_SOLID;
+ if (supercontents & SUPERCONTENTS_SKY)
+ return CONTENTS_SKY;
+ if (supercontents & SUPERCONTENTS_LAVA)
+ return CONTENTS_LAVA;
+ if (supercontents & SUPERCONTENTS_SLIME)
+ return CONTENTS_SLIME;
+ if (supercontents & SUPERCONTENTS_WATER)
+ return CONTENTS_WATER;
+ return CONTENTS_EMPTY;
+}
- mtwidth = LittleLong (dmiptex->width);
- mtheight = LittleLong (dmiptex->height);
- mtdata = NULL;
- j = LittleLong (dmiptex->offsets[0]);
- if (j)
- {
- // texture included
- if (j < 40 || j + mtwidth * mtheight > l->filelen)
- {
- Con_Printf ("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
- continue;
- }
- mtdata = (qbyte *)dmiptex + j;
- }
+typedef struct
+{
+ // the hull we're tracing through
+ const hull_t *hull;
- if ((mtwidth & 15) || (mtheight & 15))
- Con_Printf ("warning: texture \"%s\" in \"%s\" is not 16 aligned", dmiptex->name, loadmodel->name);
+ // the trace structure to fill in
+ trace_t *trace;
- // LordHavoc: force all names to lowercase
- for (j = 0;name[j];j++)
- if (name[j] >= 'A' && name[j] <= 'Z')
- name[j] += 'a' - 'A';
+ // start, end, and end - start (in model space)
+ double start[3];
+ double end[3];
+ double dist[3];
+}
+RecursiveHullCheckTraceInfo_t;
- tx = loadmodel->textures + i;
- strcpy(tx->name, name);
- tx->width = mtwidth;
- tx->height = mtheight;
+// 1/32 epsilon to keep floating point happy
+#define DIST_EPSILON (0.03125)
- if (!tx->name[0])
- {
- sprintf(tx->name, "unnamed%i", i);
- Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
- }
+#define HULLCHECKSTATE_EMPTY 0
+#define HULLCHECKSTATE_SOLID 1
+#define HULLCHECKSTATE_DONE 2
- // LordHavoc: HL sky textures are entirely different than quake
- if (!loadmodel->ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
+static int Mod_Q1BSP_RecursiveHullCheck(RecursiveHullCheckTraceInfo_t *t, int num, double p1f, double p2f, double p1[3], double p2[3])
+{
+ // status variables, these don't need to be saved on the stack when
+ // recursing... but are because this should be thread-safe
+ // (note: tracing against a bbox is not thread-safe, yet)
+ int ret;
+ mplane_t *plane;
+ double t1, t2;
+
+ // variables that need to be stored on the stack when recursing
+ dclipnode_t *node;
+ int side;
+ double midf, mid[3];
+
+ // LordHavoc: a goto! everyone flee in terror... :)
+loc0:
+ // check for empty
+ if (num < 0)
+ {
+ num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
+ if (!t->trace->startfound)
{
- if (loadmodel->isworldmodel)
- {
- data = loadimagepixels(tx->name, false, 0, 0);
- if (data)
- {
- if (image_width == 256 && image_height == 128)
- {
- R_InitSky (data, 4);
- Mem_Free(data);
- }
- else
- {
- Mem_Free(data);
- Con_Printf ("Invalid replacement texture for sky \"%s\" in %\"%s\", must be 256x128 pixels\n", tx->name, loadmodel->name);
- if (mtdata != NULL)
- R_InitSky (mtdata, 1);
- }
- }
- else if (mtdata != NULL)
- R_InitSky (mtdata, 1);
- }
+ t->trace->startfound = true;
+ t->trace->startsupercontents |= num;
}
- else
+ if (num & SUPERCONTENTS_LIQUIDSMASK)
+ t->trace->inwater = true;
+ if (num == 0)
+ t->trace->inopen = true;
+ if (num & t->trace->hitsupercontentsmask)
{
- if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, true))
- {
- // did not find external texture, load it from the bsp or wad3
- if (loadmodel->ishlbsp)
- {
- // internal texture overrides wad
- qbyte *pixels, *freepixels;
- pixels = freepixels = NULL;
- if (mtdata)
- pixels = W_ConvertWAD3Texture(dmiptex);
- if (pixels == NULL)
- pixels = freepixels = W_GetTexture(tx->name);
- if (pixels != NULL)
- {
- tx->width = image_width;
- tx->height = image_height;
- tx->skin.base = tx->skin.merged = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, NULL);
- }
- if (freepixels)
- Mem_Free(freepixels);
- }
- else if (mtdata) // texture included
- Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
- }
+ // if the first leaf is solid, set startsolid
+ if (t->trace->allsolid)
+ t->trace->startsolid = true;
+#if COLLISIONPARANOID >= 3
+ Con_Print("S");
+#endif
+ return HULLCHECKSTATE_SOLID;
}
- if (tx->skin.base == NULL)
+ else
{
- // no texture found
- tx->width = 16;
- tx->height = 16;
- tx->skin.base = r_notexture;
+ t->trace->allsolid = false;
+#if COLLISIONPARANOID >= 3
+ Con_Print("E");
+#endif
+ return HULLCHECKSTATE_EMPTY;
}
+ }
- if (tx->name[0] == '*')
- {
- tx->flags |= SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
- // LordHavoc: some turbulent textures should be fullbright and solid
- if (!strncmp(tx->name,"*lava",5)
- || !strncmp(tx->name,"*teleport",9)
- || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
- tx->flags |= SURF_DRAWFULLBRIGHT | SURF_DRAWNOALPHA;
- else
- tx->flags |= SURF_WATERALPHA;
- tx->shader = &Cshader_water;
- }
- else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
+ // find the point distances
+ node = t->hull->clipnodes + num;
+
+ plane = t->hull->planes + node->planenum;
+ if (plane->type < 3)
+ {
+ t1 = p1[plane->type] - plane->dist;
+ t2 = p2[plane->type] - plane->dist;
+ }
+ else
+ {
+ t1 = DotProduct (plane->normal, p1) - plane->dist;
+ t2 = DotProduct (plane->normal, p2) - plane->dist;
+ }
+
+ if (t1 < 0)
+ {
+ if (t2 < 0)
{
- tx->flags |= SURF_DRAWSKY;
- tx->shader = &Cshader_sky;
+#if COLLISIONPARANOID >= 3
+ Con_Print("<");
+#endif
+ num = node->children[1];
+ goto loc0;
}
- else
+ side = 1;
+ }
+ else
+ {
+ if (t2 >= 0)
{
- tx->flags |= SURF_LIGHTMAP;
- if (!tx->skin.fog)
- tx->flags |= SURF_SHADOWCAST | SURF_SHADOWLIGHT;
- tx->shader = &Cshader_wall_lightmap;
+#if COLLISIONPARANOID >= 3
+ Con_Print(">");
+#endif
+ num = node->children[0];
+ goto loc0;
}
-
- // start out with no animation
- tx->currentframe = tx;
+ side = 0;
}
- // sequence the animations
- for (i = 0;i < m->nummiptex;i++)
+ // the line intersects, find intersection point
+ // LordHavoc: this uses the original trace for maximum accuracy
+#if COLLISIONPARANOID >= 3
+ Con_Print("M");
+#endif
+ if (plane->type < 3)
{
- tx = loadmodel->textures + i;
- if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
- continue;
- if (tx->anim_total[0] || tx->anim_total[1])
- continue; // already sequenced
+ t1 = t->start[plane->type] - plane->dist;
+ t2 = t->end[plane->type] - plane->dist;
+ }
+ else
+ {
+ t1 = DotProduct (plane->normal, t->start) - plane->dist;
+ t2 = DotProduct (plane->normal, t->end) - plane->dist;
+ }
- // find the number of frames in the animation
- memset (anims, 0, sizeof(anims));
- memset (altanims, 0, sizeof(altanims));
+ midf = t1 / (t1 - t2);
+ midf = bound(p1f, midf, p2f);
+ VectorMA(t->start, midf, t->dist, mid);
- for (j = i;j < m->nummiptex;j++)
- {
- tx2 = loadmodel->textures + j;
- if (!tx2 || tx2->name[0] != '+' || strcmp (tx2->name+2, tx->name+2))
- continue;
+ // recurse both sides, front side first
+ ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side], p1f, midf, p1, mid);
+ // if this side is not empty, return what it is (solid or done)
+ if (ret != HULLCHECKSTATE_EMPTY)
+ return ret;
- num = tx2->name[1];
- if (num >= '0' && num <= '9')
- anims[num - '0'] = tx2;
- else if (num >= 'a' && num <= 'j')
- altanims[num - 'a'] = tx2;
- else
- Con_Printf ("Bad animating texture %s\n", tx->name);
- }
+ ret = Mod_Q1BSP_RecursiveHullCheck(t, node->children[side ^ 1], midf, p2f, mid, p2);
+ // if other side is not solid, return what it is (empty or done)
+ if (ret != HULLCHECKSTATE_SOLID)
+ return ret;
- max = altmax = 0;
- for (j = 0;j < 10;j++)
- {
- if (anims[j])
- max = j + 1;
- if (altanims[j])
- altmax = j + 1;
- }
- //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
-
- incomplete = false;
- for (j = 0;j < max;j++)
- {
- if (!anims[j])
- {
- Con_Printf ("Missing frame %i of %s\n", j, tx->name);
- incomplete = true;
- }
- }
- for (j = 0;j < altmax;j++)
- {
- if (!altanims[j])
- {
- Con_Printf ("Missing altframe %i of %s\n", j, tx->name);
- incomplete = true;
- }
- }
- if (incomplete)
- continue;
+ // front is air and back is solid, this is the impact point...
+ if (side)
+ {
+ t->trace->plane.dist = -plane->dist;
+ VectorNegate (plane->normal, t->trace->plane.normal);
+ }
+ else
+ {
+ t->trace->plane.dist = plane->dist;
+ VectorCopy (plane->normal, t->trace->plane.normal);
+ }
- if (altmax < 1)
- {
- // if there is no alternate animation, duplicate the primary
- // animation into the alternate
- altmax = max;
- for (k = 0;k < 10;k++)
- altanims[k] = anims[k];
- }
+ // calculate the true fraction
+ t1 = DotProduct(t->trace->plane.normal, t->start) - t->trace->plane.dist;
+ t2 = DotProduct(t->trace->plane.normal, t->end) - t->trace->plane.dist;
+ midf = t1 / (t1 - t2);
+ t->trace->realfraction = bound(0, midf, 1);
- // link together the primary animation
- for (j = 0;j < max;j++)
- {
- tx2 = anims[j];
- tx2->animated = true;
- tx2->anim_total[0] = max;
- tx2->anim_total[1] = altmax;
- for (k = 0;k < 10;k++)
- {
- tx2->anim_frames[0][k] = anims[k];
- tx2->anim_frames[1][k] = altanims[k];
- }
- }
+ // calculate the return fraction which is nudged off the surface a bit
+ midf = (t1 - DIST_EPSILON) / (t1 - t2);
+ t->trace->fraction = bound(0, midf, 1);
- // if there really is an alternate anim...
- if (anims[0] != altanims[0])
- {
- // link together the alternate animation
- for (j = 0;j < altmax;j++)
- {
- tx2 = altanims[j];
- tx2->animated = true;
- // the primary/alternate are reversed here
- tx2->anim_total[0] = altmax;
- tx2->anim_total[1] = max;
- for (k = 0;k < 10;k++)
- {
- tx2->anim_frames[0][k] = altanims[k];
- tx2->anim_frames[1][k] = anims[k];
- }
- }
- }
- }
+#if COLLISIONPARANOID >= 3
+ Con_Print("D");
+#endif
+ return HULLCHECKSTATE_DONE;
}
-/*
-=================
-Mod_LoadLighting
-=================
-*/
-static void Mod_LoadLighting (lump_t *l)
+#if COLLISIONPARANOID < 2
+static int Mod_Q1BSP_RecursiveHullCheckPoint(RecursiveHullCheckTraceInfo_t *t, int num)
{
- int i;
- qbyte *in, *out, *data, d;
- char litfilename[1024];
- loadmodel->lightdata = NULL;
- if (loadmodel->ishlbsp) // LordHavoc: load the colored lighting data straight
+ while (num >= 0)
+ num = t->hull->clipnodes[num].children[(t->hull->planes[t->hull->clipnodes[num].planenum].type < 3 ? t->start[t->hull->planes[t->hull->clipnodes[num].planenum].type] : DotProduct(t->hull->planes[t->hull->clipnodes[num].planenum].normal, t->start)) < t->hull->planes[t->hull->clipnodes[num].planenum].dist];
+ num = Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
+ t->trace->startsupercontents |= num;
+ if (num & SUPERCONTENTS_LIQUIDSMASK)
+ t->trace->inwater = true;
+ if (num == 0)
+ t->trace->inopen = true;
+ if (num & t->trace->hitsupercontentsmask)
{
- loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
- memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
+ t->trace->allsolid = t->trace->startsolid = true;
+ return HULLCHECKSTATE_SOLID;
}
- else // LordHavoc: bsp version 29 (normal white lighting)
+ else
{
- // LordHavoc: hope is not lost yet, check for a .lit file to load
- strcpy(litfilename, loadmodel->name);
- COM_StripExtension(litfilename, litfilename);
- strcat(litfilename, ".lit");
- data = (qbyte*) COM_LoadFile (litfilename, false);
- if (data)
+ t->trace->allsolid = t->trace->startsolid = false;
+ return HULLCHECKSTATE_EMPTY;
+ }
+}
+#endif
+
+static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
+{
+ // this function currently only supports same size start and end
+ double boxsize[3];
+ RecursiveHullCheckTraceInfo_t rhc;
+
+ memset(&rhc, 0, sizeof(rhc));
+ memset(trace, 0, sizeof(trace_t));
+ rhc.trace = trace;
+ rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
+ rhc.trace->fraction = 1;
+ rhc.trace->realfraction = 1;
+ rhc.trace->allsolid = true;
+ VectorSubtract(boxstartmaxs, boxstartmins, boxsize);
+ if (boxsize[0] < 3)
+ rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
+ else if (model->brush.ishlbsp)
+ {
+ // LordHavoc: this has to have a minor tolerance (the .1) because of
+ // minor float precision errors from the box being transformed around
+ if (boxsize[0] < 32.1)
{
- if (loadsize > 8 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
- {
- i = LittleLong(((int *)data)[1]);
- if (i == 1)
- {
- Con_DPrintf("%s loaded", litfilename);
- loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, loadsize - 8);
- memcpy(loadmodel->lightdata, data + 8, loadsize - 8);
- Mem_Free(data);
- return;
- }
- else
- {
- Con_Printf("Unknown .lit file version (%d)\n", i);
- Mem_Free(data);
- }
- }
+ if (boxsize[2] < 54) // pick the nearest of 36 or 72
+ rhc.hull = &model->brushq1.hulls[3]; // 32x32x36
else
- {
- if (loadsize == 8)
- Con_Printf("Empty .lit file, ignoring\n");
- else
- Con_Printf("Corrupt .lit file (old version?), ignoring\n");
- Mem_Free(data);
- }
- }
- // LordHavoc: oh well, expand the white lighting data
- if (!l->filelen)
- return;
- loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
- in = loadmodel->lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
- out = loadmodel->lightdata;
- memcpy (in, mod_base + l->fileofs, l->filelen);
- for (i = 0;i < l->filelen;i++)
- {
- d = *in++;
- *out++ = d;
- *out++ = d;
- *out++ = d;
+ rhc.hull = &model->brushq1.hulls[1]; // 32x32x72
}
+ else
+ rhc.hull = &model->brushq1.hulls[2]; // 64x64x64
+ }
+ else
+ {
+ // LordHavoc: this has to have a minor tolerance (the .1) because of
+ // minor float precision errors from the box being transformed around
+ if (boxsize[0] < 32.1)
+ rhc.hull = &model->brushq1.hulls[1]; // 32x32x56
+ else
+ rhc.hull = &model->brushq1.hulls[2]; // 64x64x88
}
+ VectorSubtract(boxstartmins, rhc.hull->clip_mins, rhc.start);
+ VectorSubtract(boxendmins, rhc.hull->clip_mins, rhc.end);
+ VectorSubtract(rhc.end, rhc.start, rhc.dist);
+#if COLLISIONPARANOID >= 2
+ Con_Printf("t(%f %f %f,%f %f %f,%i %f %f %f)", rhc.start[0], rhc.start[1], rhc.start[2], rhc.end[0], rhc.end[1], rhc.end[2], rhc.hull - model->brushq1.hulls, rhc.hull->clip_mins[0], rhc.hull->clip_mins[1], rhc.hull->clip_mins[2]);
+ Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
+ Con_Print("\n");
+#else
+ if (DotProduct(rhc.dist, rhc.dist))
+ Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
+ else
+ Mod_Q1BSP_RecursiveHullCheckPoint(&rhc, rhc.hull->firstclipnode);
+#endif
}
-void Mod_LoadLightList(void)
+static hull_t box_hull;
+static dclipnode_t box_clipnodes[6];
+static mplane_t box_planes[6];
+
+static void Mod_Q1BSP_Collision_Init (void)
{
- int a, n, numlights;
- char lightsfilename[1024], *s, *t, *lightsstring;
- mlight_t *e;
+ int i;
+ int side;
- strcpy(lightsfilename, loadmodel->name);
- COM_StripExtension(lightsfilename, lightsfilename);
- strcat(lightsfilename, ".lights");
- s = lightsstring = (char *) COM_LoadFile (lightsfilename, false);
- if (s)
+ //Set up the planes and clipnodes so that the six floats of a bounding box
+ //can just be stored out and get a proper hull_t structure.
+
+ box_hull.clipnodes = box_clipnodes;
+ box_hull.planes = box_planes;
+ box_hull.firstclipnode = 0;
+ box_hull.lastclipnode = 5;
+
+ for (i = 0;i < 6;i++)
{
- numlights = 0;
- while (*s)
- {
- while (*s && *s != '\n')
- s++;
- if (!*s)
- {
- Mem_Free(lightsstring);
- Host_Error("lights file must end with a newline\n");
- }
- s++;
- numlights++;
- }
- loadmodel->lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
- s = lightsstring;
- n = 0;
- while (*s && n < numlights)
+ box_clipnodes[i].planenum = i;
+
+ side = i&1;
+
+ box_clipnodes[i].children[side] = CONTENTS_EMPTY;
+ if (i != 5)
+ box_clipnodes[i].children[side^1] = i + 1;
+ else
+ box_clipnodes[i].children[side^1] = CONTENTS_SOLID;
+
+ box_planes[i].type = i>>1;
+ box_planes[i].normal[i>>1] = 1;
+ }
+}
+
+void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents)
+{
+#if 1
+ colbrushf_t cbox;
+ colplanef_t cbox_planes[6];
+ cbox.supercontents = boxsupercontents;
+ cbox.numplanes = 6;
+ cbox.numpoints = 0;
+ cbox.numtriangles = 0;
+ cbox.planes = cbox_planes;
+ cbox.points = NULL;
+ cbox.elements = NULL;
+ cbox.markframe = 0;
+ cbox.mins[0] = 0;
+ cbox.mins[1] = 0;
+ cbox.mins[2] = 0;
+ cbox.maxs[0] = 0;
+ cbox.maxs[1] = 0;
+ cbox.maxs[2] = 0;
+ cbox_planes[0].normal[0] = 1;cbox_planes[0].normal[1] = 0;cbox_planes[0].normal[2] = 0;cbox_planes[0].dist = cmaxs[0] - mins[0];
+ cbox_planes[1].normal[0] = -1;cbox_planes[1].normal[1] = 0;cbox_planes[1].normal[2] = 0;cbox_planes[1].dist = maxs[0] - cmins[0];
+ cbox_planes[2].normal[0] = 0;cbox_planes[2].normal[1] = 1;cbox_planes[2].normal[2] = 0;cbox_planes[2].dist = cmaxs[1] - mins[1];
+ cbox_planes[3].normal[0] = 0;cbox_planes[3].normal[1] = -1;cbox_planes[3].normal[2] = 0;cbox_planes[3].dist = maxs[1] - cmins[1];
+ cbox_planes[4].normal[0] = 0;cbox_planes[4].normal[1] = 0;cbox_planes[4].normal[2] = 1;cbox_planes[4].dist = cmaxs[2] - mins[2];
+ cbox_planes[5].normal[0] = 0;cbox_planes[5].normal[1] = 0;cbox_planes[5].normal[2] = -1;cbox_planes[5].dist = maxs[2] - cmins[2];
+ memset(trace, 0, sizeof(trace_t));
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ Collision_TraceLineBrushFloat(trace, start, end, &cbox, &cbox);
+#else
+ RecursiveHullCheckTraceInfo_t rhc;
+ // fill in a default trace
+ memset(&rhc, 0, sizeof(rhc));
+ memset(trace, 0, sizeof(trace_t));
+ //To keep everything totally uniform, bounding boxes are turned into small
+ //BSP trees instead of being compared directly.
+ // create a temp hull from bounding box sizes
+ box_planes[0].dist = cmaxs[0] - mins[0];
+ box_planes[1].dist = cmins[0] - maxs[0];
+ box_planes[2].dist = cmaxs[1] - mins[1];
+ box_planes[3].dist = cmins[1] - maxs[1];
+ box_planes[4].dist = cmaxs[2] - mins[2];
+ box_planes[5].dist = cmins[2] - maxs[2];
+#if COLLISIONPARANOID >= 3
+ Con_Printf("box_planes %f:%f %f:%f %f:%f\ncbox %f %f %f:%f %f %f\nbox %f %f %f:%f %f %f\n", box_planes[0].dist, box_planes[1].dist, box_planes[2].dist, box_planes[3].dist, box_planes[4].dist, box_planes[5].dist, cmins[0], cmins[1], cmins[2], cmaxs[0], cmaxs[1], cmaxs[2], mins[0], mins[1], mins[2], maxs[0], maxs[1], maxs[2]);
+#endif
+ // trace a line through the generated clipping hull
+ //rhc.boxsupercontents = boxsupercontents;
+ rhc.hull = &box_hull;
+ rhc.trace = trace;
+ rhc.trace->hitsupercontentsmask = hitsupercontentsmask;
+ rhc.trace->fraction = 1;
+ rhc.trace->realfraction = 1;
+ rhc.trace->allsolid = true;
+ VectorCopy(start, rhc.start);
+ VectorCopy(end, rhc.end);
+ VectorSubtract(rhc.end, rhc.start, rhc.dist);
+ Mod_Q1BSP_RecursiveHullCheck(&rhc, rhc.hull->firstclipnode, 0, 1, rhc.start, rhc.end);
+ //VectorMA(rhc.start, rhc.trace->fraction, rhc.dist, rhc.trace->endpos);
+ if (rhc.trace->startsupercontents)
+ rhc.trace->startsupercontents = boxsupercontents;
+#endif
+}
+
+static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
+{
+ int side, distz = endz - startz;
+ float front, back;
+ float mid;
+
+loc0:
+ if (node->contents < 0)
+ return false; // didn't hit anything
+
+ switch (node->plane->type)
+ {
+ case PLANE_X:
+ node = node->children[x < node->plane->dist];
+ goto loc0;
+ case PLANE_Y:
+ node = node->children[y < node->plane->dist];
+ goto loc0;
+ case PLANE_Z:
+ side = startz < node->plane->dist;
+ if ((endz < node->plane->dist) == side)
{
- t = s;
- while (*s && *s != '\n')
- s++;
- if (!*s)
- {
- Mem_Free(lightsstring);
- Host_Error("misparsed lights file!\n");
- }
- e = loadmodel->lights + n;
- *s = 0;
- a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &e->origin[0], &e->origin[1], &e->origin[2], &e->falloff, &e->light[0], &e->light[1], &e->light[2], &e->subtract, &e->spotdir[0], &e->spotdir[1], &e->spotdir[2], &e->spotcone, &e->distbias, &e->style);
- *s = '\n';
- if (a != 14)
- {
- Mem_Free(lightsstring);
- Host_Error("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
- }
- s++;
- n++;
+ node = node->children[side];
+ goto loc0;
}
- if (*s)
+ // found an intersection
+ mid = node->plane->dist;
+ break;
+ default:
+ back = front = x * node->plane->normal[0] + y * node->plane->normal[1];
+ front += startz * node->plane->normal[2];
+ back += endz * node->plane->normal[2];
+ side = front < node->plane->dist;
+ if ((back < node->plane->dist) == side)
{
- Mem_Free(lightsstring);
- Host_Error("misparsed lights file!\n");
+ node = node->children[side];
+ goto loc0;
}
- loadmodel->numlights = numlights;
- Mem_Free(lightsstring);
+ // found an intersection
+ mid = startz + distz * (front - node->plane->dist) / (front - back);
+ break;
}
-}
-/*
-static int castshadowcount = 0;
-void Mod_ProcessLightList(void)
-{
- int j, k, l, *mark, lnum;
- mlight_t *e;
- msurface_t *surf;
- float dist;
- mleaf_t *leaf;
- qbyte *pvs;
- vec3_t temp;
- float *v, radius2;
- for (lnum = 0, e = loadmodel->lights;lnum < loadmodel->numlights;lnum++, e++)
- {
- e->cullradius2 = DotProduct(e->light, e->light) / (e->falloff * e->falloff * 8192.0f * 8192.0f * 2.0f * 2.0f);// + 4096.0f;
- if (e->cullradius2 > 4096.0f * 4096.0f)
- e->cullradius2 = 4096.0f * 4096.0f;
- e->cullradius = e->lightradius = sqrt(e->cullradius2);
- leaf = Mod_PointInLeaf(e->origin, loadmodel);
- if (leaf->compressed_vis)
- pvs = Mod_DecompressVis (leaf->compressed_vis, loadmodel);
- else
- pvs = mod_novis;
- for (j = 0;j < loadmodel->numsurfaces;j++)
- loadmodel->surfacevisframes[j] = -1;
- for (j = 0, leaf = loadmodel->leafs + 1;j < loadmodel->numleafs - 1;j++, leaf++)
+ // go down front side
+ if (node->children[side]->contents >= 0 && Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
+ return true; // hit something
+ else
+ {
+ // check for impact on this node
+ if (node->numsurfaces)
{
- if (pvs[j >> 3] & (1 << (j & 7)))
+ int i, ds, dt;
+ msurface_t *surf;
+
+ surf = cl.worldmodel->brushq1.surfaces + node->firstsurface;
+ for (i = 0;i < node->numsurfaces;i++, surf++)
{
- for (k = 0, mark = leaf->firstmarksurface;k < leaf->nummarksurfaces;k++, mark++)
+ if (!(surf->flags & SURF_LIGHTMAP) || !surf->samples)
+ continue; // no lightmaps
+
+ ds = (int) (x * surf->texinfo->vecs[0][0] + y * surf->texinfo->vecs[0][1] + mid * surf->texinfo->vecs[0][2] + surf->texinfo->vecs[0][3]) - surf->texturemins[0];
+ dt = (int) (x * surf->texinfo->vecs[1][0] + y * surf->texinfo->vecs[1][1] + mid * surf->texinfo->vecs[1][2] + surf->texinfo->vecs[1][3]) - surf->texturemins[1];
+
+ if (ds >= 0 && ds < surf->extents[0] && dt >= 0 && dt < surf->extents[1])
{
- surf = loadmodel->surfaces + *mark;
- if (surf->number != *mark)
- Con_Printf("%d != %d\n", surf->number, *mark);
- dist = DotProduct(e->origin, surf->plane->normal) - surf->plane->dist;
- if (surf->flags & SURF_PLANEBACK)
- dist = -dist;
- if (dist > 0 && dist < e->cullradius)
+ qbyte *lightmap;
+ int lmwidth, lmheight, maps, line3, size3, dsfrac = ds & 15, dtfrac = dt & 15, scale = 0, r00 = 0, g00 = 0, b00 = 0, r01 = 0, g01 = 0, b01 = 0, r10 = 0, g10 = 0, b10 = 0, r11 = 0, g11 = 0, b11 = 0;
+ lmwidth = ((surf->extents[0]>>4)+1);
+ lmheight = ((surf->extents[1]>>4)+1);
+ line3 = lmwidth * 3; // LordHavoc: *3 for colored lighting
+ size3 = lmwidth * lmheight * 3; // LordHavoc: *3 for colored lighting
+
+ lightmap = surf->samples + ((dt>>4) * lmwidth + (ds>>4))*3; // LordHavoc: *3 for colored lighting
+
+ for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++)
{
- temp[0] = bound(surf->poly_mins[0], e->origin[0], surf->poly_maxs[0]) - e->origin[0];
- temp[1] = bound(surf->poly_mins[1], e->origin[1], surf->poly_maxs[1]) - e->origin[1];
- temp[2] = bound(surf->poly_mins[2], e->origin[2], surf->poly_maxs[2]) - e->origin[2];
- if (DotProduct(temp, temp) < lightradius2)
- loadmodel->surfacevisframes[*mark] = -2;
+ scale = d_lightstylevalue[surf->styles[maps]];
+ r00 += lightmap[ 0] * scale;g00 += lightmap[ 1] * scale;b00 += lightmap[ 2] * scale;
+ r01 += lightmap[ 3] * scale;g01 += lightmap[ 4] * scale;b01 += lightmap[ 5] * scale;
+ r10 += lightmap[line3+0] * scale;g10 += lightmap[line3+1] * scale;b10 += lightmap[line3+2] * scale;
+ r11 += lightmap[line3+3] * scale;g11 += lightmap[line3+4] * scale;b11 += lightmap[line3+5] * scale;
+ lightmap += size3;
}
+
+/*
+LordHavoc: here's the readable version of the interpolation
+code, not quite as easy for the compiler to optimize...
+
+dsfrac is the X position in the lightmap pixel, * 16
+dtfrac is the Y position in the lightmap pixel, * 16
+r00 is top left corner, r01 is top right corner
+r10 is bottom left corner, r11 is bottom right corner
+g and b are the same layout.
+r0 and r1 are the top and bottom intermediate results
+
+first we interpolate the top two points, to get the top
+edge sample
+
+ r0 = (((r01-r00) * dsfrac) >> 4) + r00;
+ g0 = (((g01-g00) * dsfrac) >> 4) + g00;
+ b0 = (((b01-b00) * dsfrac) >> 4) + b00;
+
+then we interpolate the bottom two points, to get the
+bottom edge sample
+
+ r1 = (((r11-r10) * dsfrac) >> 4) + r10;
+ g1 = (((g11-g10) * dsfrac) >> 4) + g10;
+ b1 = (((b11-b10) * dsfrac) >> 4) + b10;
+
+then we interpolate the top and bottom samples to get the
+middle sample (the one which was requested)
+
+ r = (((r1-r0) * dtfrac) >> 4) + r0;
+ g = (((g1-g0) * dtfrac) >> 4) + g0;
+ b = (((b1-b0) * dtfrac) >> 4) + b0;
+*/
+
+ ambientcolor[0] += (float) ((((((((r11-r10) * dsfrac) >> 4) + r10)-((((r01-r00) * dsfrac) >> 4) + r00)) * dtfrac) >> 4) + ((((r01-r00) * dsfrac) >> 4) + r00)) * (1.0f / 32768.0f);
+ ambientcolor[1] += (float) ((((((((g11-g10) * dsfrac) >> 4) + g10)-((((g01-g00) * dsfrac) >> 4) + g00)) * dtfrac) >> 4) + ((((g01-g00) * dsfrac) >> 4) + g00)) * (1.0f / 32768.0f);
+ ambientcolor[2] += (float) ((((((((b11-b10) * dsfrac) >> 4) + b10)-((((b01-b00) * dsfrac) >> 4) + b00)) * dtfrac) >> 4) + ((((b01-b00) * dsfrac) >> 4) + b00)) * (1.0f / 32768.0f);
+ return true; // success
}
}
}
- // build list of light receiving surfaces
- e->numsurfaces = 0;
- for (j = 0;j < loadmodel->numsurfaces;j++)
- if (loadmodel->surfacevisframes[j] == -2)
- e->numsurfaces++;
- e->surfaces = NULL;
- if (e->numsurfaces > 0)
- {
- e->surfaces = Mem_Alloc(loadmodel->mempool, sizeof(msurface_t *) * e->numsurfaces);
- e->numsurfaces = 0;
- for (j = 0;j < loadmodel->numsurfaces;j++)
- if (loadmodel->surfacevisframes[j] == -2)
- e->surfaces[e->numsurfaces++] = loadmodel->surfaces + j;
- }
- // find bounding box and sphere of lit surfaces
- // (these will be used for creating a shape to clip the light)
- radius2 = 0;
- for (j = 0;j < e->numsurfaces;j++)
- {
- surf = e->surfaces[j];
- if (j == 0)
- {
- VectorCopy(surf->poly_verts, e->mins);
- VectorCopy(surf->poly_verts, e->maxs);
- }
- for (k = 0, v = surf->poly_verts;k < surf->poly_numverts;k++, v += 3)
- {
- if (e->mins[0] > v[0]) e->mins[0] = v[0];if (e->maxs[0] < v[0]) e->maxs[0] = v[0];
- if (e->mins[1] > v[1]) e->mins[1] = v[1];if (e->maxs[1] < v[1]) e->maxs[1] = v[1];
- if (e->mins[2] > v[2]) e->mins[2] = v[2];if (e->maxs[2] < v[2]) e->maxs[2] = v[2];
- VectorSubtract(v, e->origin, temp);
- dist = DotProduct(temp, temp);
- if (radius2 < dist)
- radius2 = dist;
- }
- }
- if (e->cullradius2 > radius2)
+
+ // go down back side
+ node = node->children[side ^ 1];
+ startz = mid;
+ distz = endz - startz;
+ goto loc0;
+ }
+}
+
+void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
+{
+ Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, cl.worldmodel->brushq1.nodes + cl.worldmodel->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
+}
+
+static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *out, qbyte *outend)
+{
+ int c;
+ qbyte *outstart = out;
+ while (out < outend)
+ {
+ if (in == inend)
{
- e->cullradius2 = radius2;
- e->cullradius = sqrt(e->cullradius2);
+ Con_DPrintf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
+ return;
}
- if (e->mins[0] < e->origin[0] - e->lightradius) e->mins[0] = e->origin[0] - e->lightradius;
- if (e->maxs[0] > e->origin[0] + e->lightradius) e->maxs[0] = e->origin[0] + e->lightradius;
- if (e->mins[1] < e->origin[1] - e->lightradius) e->mins[1] = e->origin[1] - e->lightradius;
- if (e->maxs[1] > e->origin[1] + e->lightradius) e->maxs[1] = e->origin[1] + e->lightradius;
- if (e->mins[2] < e->origin[2] - e->lightradius) e->mins[2] = e->origin[2] - e->lightradius;
- if (e->maxs[2] > e->origin[2] + e->lightradius) e->maxs[2] = e->origin[2] + e->lightradius;
- // clip shadow volumes against eachother to remove unnecessary
- // polygons (and sections of polygons)
+ c = *in++;
+ if (c)
+ *out++ = c;
+ else
{
- //vec3_t polymins, polymaxs;
- int maxverts = 4;
- float *verts = Mem_Alloc(loadmodel->mempool, maxverts * sizeof(float[3]));
- float f, *v0, *v1, projectdistance;
-
- e->shadowvolume = Mod_ShadowMesh_Begin(loadmodel->mempool, 1024);
-#if 0
- {
- vec3_t outermins, outermaxs, innermins, innermaxs;
- innermins[0] = e->mins[0] - 1;
- innermins[1] = e->mins[1] - 1;
- innermins[2] = e->mins[2] - 1;
- innermaxs[0] = e->maxs[0] + 1;
- innermaxs[1] = e->maxs[1] + 1;
- innermaxs[2] = e->maxs[2] + 1;
- outermins[0] = loadmodel->normalmins[0] - 1;
- outermins[1] = loadmodel->normalmins[1] - 1;
- outermins[2] = loadmodel->normalmins[2] - 1;
- outermaxs[0] = loadmodel->normalmaxs[0] + 1;
- outermaxs[1] = loadmodel->normalmaxs[1] + 1;
- outermaxs[2] = loadmodel->normalmaxs[2] + 1;
- // add bounding box around the whole shadow volume set,
- // facing inward to limit light area, with an outer bounding box
- // facing outward (this is needed by the shadow rendering method)
- // X major
- verts[ 0] = innermaxs[0];verts[ 1] = innermins[1];verts[ 2] = innermaxs[2];
- verts[ 3] = innermaxs[0];verts[ 4] = innermins[1];verts[ 5] = innermins[2];
- verts[ 6] = innermaxs[0];verts[ 7] = innermaxs[1];verts[ 8] = innermins[2];
- verts[ 9] = innermaxs[0];verts[10] = innermaxs[1];verts[11] = innermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermaxs[0];verts[ 1] = outermaxs[1];verts[ 2] = outermaxs[2];
- verts[ 3] = outermaxs[0];verts[ 4] = outermaxs[1];verts[ 5] = outermins[2];
- verts[ 6] = outermaxs[0];verts[ 7] = outermins[1];verts[ 8] = outermins[2];
- verts[ 9] = outermaxs[0];verts[10] = outermins[1];verts[11] = outermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- // X minor
- verts[ 0] = innermins[0];verts[ 1] = innermaxs[1];verts[ 2] = innermaxs[2];
- verts[ 3] = innermins[0];verts[ 4] = innermaxs[1];verts[ 5] = innermins[2];
- verts[ 6] = innermins[0];verts[ 7] = innermins[1];verts[ 8] = innermins[2];
- verts[ 9] = innermins[0];verts[10] = innermins[1];verts[11] = innermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermins[0];verts[ 1] = outermins[1];verts[ 2] = outermaxs[2];
- verts[ 3] = outermins[0];verts[ 4] = outermins[1];verts[ 5] = outermins[2];
- verts[ 6] = outermins[0];verts[ 7] = outermaxs[1];verts[ 8] = outermins[2];
- verts[ 9] = outermins[0];verts[10] = outermaxs[1];verts[11] = outermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- // Y major
- verts[ 0] = innermaxs[0];verts[ 1] = innermaxs[1];verts[ 2] = innermaxs[2];
- verts[ 3] = innermaxs[0];verts[ 4] = innermaxs[1];verts[ 5] = innermins[2];
- verts[ 6] = innermins[0];verts[ 7] = innermaxs[1];verts[ 8] = innermins[2];
- verts[ 9] = innermins[0];verts[10] = innermaxs[1];verts[11] = innermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermins[0];verts[ 1] = outermaxs[1];verts[ 2] = outermaxs[2];
- verts[ 3] = outermins[0];verts[ 4] = outermaxs[1];verts[ 5] = outermins[2];
- verts[ 6] = outermaxs[0];verts[ 7] = outermaxs[1];verts[ 8] = outermins[2];
- verts[ 9] = outermaxs[0];verts[10] = outermaxs[1];verts[11] = outermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- // Y minor
- verts[ 0] = innermins[0];verts[ 1] = innermins[1];verts[ 2] = innermaxs[2];
- verts[ 3] = innermins[0];verts[ 4] = innermins[1];verts[ 5] = innermins[2];
- verts[ 6] = innermaxs[0];verts[ 7] = innermins[1];verts[ 8] = innermins[2];
- verts[ 9] = innermaxs[0];verts[10] = innermins[1];verts[11] = innermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermaxs[0];verts[ 1] = outermins[1];verts[ 2] = outermaxs[2];
- verts[ 3] = outermaxs[0];verts[ 4] = outermins[1];verts[ 5] = outermins[2];
- verts[ 6] = outermins[0];verts[ 7] = outermins[1];verts[ 8] = outermins[2];
- verts[ 9] = outermins[0];verts[10] = outermins[1];verts[11] = outermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- // Z major
- verts[ 0] = innermaxs[0];verts[ 1] = innermins[1];verts[ 2] = innermaxs[2];
- verts[ 3] = innermaxs[0];verts[ 4] = innermaxs[1];verts[ 5] = innermaxs[2];
- verts[ 6] = innermins[0];verts[ 7] = innermaxs[1];verts[ 8] = innermaxs[2];
- verts[ 9] = innermins[0];verts[10] = innermins[1];verts[11] = innermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermaxs[0];verts[ 1] = outermaxs[1];verts[ 2] = outermaxs[2];
- verts[ 3] = outermaxs[0];verts[ 4] = outermins[1];verts[ 5] = outermaxs[2];
- verts[ 6] = outermins[0];verts[ 7] = outermins[1];verts[ 8] = outermaxs[2];
- verts[ 9] = outermins[0];verts[10] = outermaxs[1];verts[11] = outermaxs[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- // Z minor
- verts[ 0] = innermaxs[0];verts[ 1] = innermaxs[1];verts[ 2] = innermins[2];
- verts[ 3] = innermaxs[0];verts[ 4] = innermins[1];verts[ 5] = innermins[2];
- verts[ 6] = innermins[0];verts[ 7] = innermins[1];verts[ 8] = innermins[2];
- verts[ 9] = innermins[0];verts[10] = innermaxs[1];verts[11] = innermins[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- verts[ 0] = outermaxs[0];verts[ 1] = outermins[1];verts[ 2] = outermins[2];
- verts[ 3] = outermaxs[0];verts[ 4] = outermaxs[1];verts[ 5] = outermins[2];
- verts[ 6] = outermins[0];verts[ 7] = outermaxs[1];verts[ 8] = outermins[2];
- verts[ 9] = outermins[0];verts[10] = outermins[1];verts[11] = outermins[2];
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- }
-#endif
- castshadowcount++;
- for (j = 0;j < e->numsurfaces;j++)
+ if (in == inend)
{
- surf = e->surfaces[j];
- if (surf->flags & SURF_SHADOWCAST)
- surf->castshadow = castshadowcount;
+ Con_DPrintf("Mod_Q1BSP_DecompressVis: input underrun (during zero-run) on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
+ return;
}
- for (j = 0;j < e->numsurfaces;j++)
+ for (c = *in++;c > 0;c--)
{
- surf = e->surfaces[j];
- if (surf->castshadow != castshadowcount)
- continue;
- f = DotProduct(e->origin, surf->plane->normal) - surf->plane->dist;
- if (surf->flags & SURF_PLANEBACK)
- f = -f;
- projectdistance = e->lightradius;
- if (maxverts < surf->poly_numverts)
- {
- maxverts = surf->poly_numverts;
- if (verts)
- Mem_Free(verts);
- verts = Mem_Alloc(loadmodel->mempool, maxverts * sizeof(float[3]));
- }
- // copy the original polygon, for the front cap of the volume
- for (k = 0, v0 = surf->poly_verts, v1 = verts;k < surf->poly_numverts;k++, v0 += 3, v1 += 3)
- VectorCopy(v0, v1);
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, surf->poly_numverts, verts);
- // project the original polygon, reversed, for the back cap of the volume
- for (k = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = verts;k < surf->poly_numverts;k++, v0 -= 3, v1 += 3)
- {
- VectorSubtract(v0, e->origin, temp);
- VectorNormalize(temp);
- VectorMA(v0, projectdistance, temp, v1);
- }
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, surf->poly_numverts, verts);
- // project the shadow volume sides
- for (l = surf->poly_numverts - 1, k = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = surf->poly_verts;k < surf->poly_numverts;l = k, k++, v0 = v1, v1 += 3)
+ if (out == outend)
{
- if (!surf->neighborsurfaces[l] || surf->neighborsurfaces[l]->castshadow != castshadowcount)
- {
- VectorCopy(v1, &verts[0]);
- VectorCopy(v0, &verts[3]);
- VectorCopy(v0, &verts[6]);
- VectorCopy(v1, &verts[9]);
- VectorSubtract(&verts[6], e->origin, temp);
- VectorNormalize(temp);
- VectorMA(&verts[6], projectdistance, temp, &verts[6]);
- VectorSubtract(&verts[9], e->origin, temp);
- VectorNormalize(temp);
- VectorMA(&verts[9], projectdistance, temp, &verts[9]);
- Mod_ShadowMesh_AddPolygon(loadmodel->mempool, e->shadowvolume, 4, verts);
- }
+ Con_DPrintf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\" (decompressed %i of %i output bytes)\n", loadmodel->name, out - outstart, outend - outstart);
+ return;
}
- }
- // build the triangle mesh
- e->shadowvolume = Mod_ShadowMesh_Finish(loadmodel->mempool, e->shadowvolume);
- {
- shadowmesh_t *mesh;
- l = 0;
- for (mesh = e->shadowvolume;mesh;mesh = mesh->next)
- l += mesh->numtriangles;
- Con_Printf("light %i shadow volume built containing %i triangles\n", lnum, l);
+ *out++ = 0;
}
}
}
}
-*/
-
-/*
-=================
-Mod_LoadVisibility
-=================
-*/
-static void Mod_LoadVisibility (lump_t *l)
+static void Mod_Q1BSP_LoadTextures(lump_t *l)
{
- loadmodel->visdata = NULL;
- if (!l->filelen)
- return;
- loadmodel->visdata = Mem_Alloc(loadmodel->mempool, l->filelen);
- memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen);
-}
+ int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
+ miptex_t *dmiptex;
+ texture_t *tx, *tx2, *anims[10], *altanims[10];
+ dmiptexlump_t *m;
+ qbyte *data, *mtdata;
+ char name[256];
-// used only for HalfLife maps
-void Mod_ParseWadsFromEntityLump(const char *data)
+ loadmodel->brushq1.textures = NULL;
+
+ // add two slots for notexture walls and notexture liquids
+ if (l->filelen)
+ {
+ m = (dmiptexlump_t *)(mod_base + l->fileofs);
+ m->nummiptex = LittleLong (m->nummiptex);
+ loadmodel->brushq1.numtextures = m->nummiptex + 2;
+ }
+ else
+ {
+ m = NULL;
+ loadmodel->brushq1.numtextures = 2;
+ }
+
+ loadmodel->brushq1.textures = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numtextures * sizeof(texture_t));
+
+ // fill out all slots with notexture
+ for (i = 0, tx = loadmodel->brushq1.textures;i < loadmodel->brushq1.numtextures;i++, tx++)
+ {
+ tx->number = i;
+ strcpy(tx->name, "NO TEXTURE FOUND");
+ tx->width = 16;
+ tx->height = 16;
+ tx->skin.base = r_notexture;
+ if (i == loadmodel->brushq1.numtextures - 1)
+ tx->flags = SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
+ else
+ tx->flags = SURF_LIGHTMAP | SURF_SOLIDCLIP;
+ tx->currentframe = tx;
+ }
+
+ if (!m)
+ return;
+
+ // just to work around bounds checking when debugging with it (array index out of bounds error thing)
+ dofs = m->dataofs;
+ // LordHavoc: mostly rewritten map texture loader
+ for (i = 0;i < m->nummiptex;i++)
+ {
+ dofs[i] = LittleLong(dofs[i]);
+ if (dofs[i] == -1 || r_nosurftextures.integer)
+ continue;
+ dmiptex = (miptex_t *)((qbyte *)m + dofs[i]);
+
+ // make sure name is no more than 15 characters
+ for (j = 0;dmiptex->name[j] && j < 15;j++)
+ name[j] = dmiptex->name[j];
+ name[j] = 0;
+
+ mtwidth = LittleLong(dmiptex->width);
+ mtheight = LittleLong(dmiptex->height);
+ mtdata = NULL;
+ j = LittleLong(dmiptex->offsets[0]);
+ if (j)
+ {
+ // texture included
+ if (j < 40 || j + mtwidth * mtheight > l->filelen)
+ {
+ Con_Printf("Texture \"%s\" in \"%s\"is corrupt or incomplete\n", dmiptex->name, loadmodel->name);
+ continue;
+ }
+ mtdata = (qbyte *)dmiptex + j;
+ }
+
+ if ((mtwidth & 15) || (mtheight & 15))
+ Con_Printf("warning: texture \"%s\" in \"%s\" is not 16 aligned\n", dmiptex->name, loadmodel->name);
+
+ // LordHavoc: force all names to lowercase
+ for (j = 0;name[j];j++)
+ if (name[j] >= 'A' && name[j] <= 'Z')
+ name[j] += 'a' - 'A';
+
+ tx = loadmodel->brushq1.textures + i;
+ strcpy(tx->name, name);
+ tx->width = mtwidth;
+ tx->height = mtheight;
+
+ if (!tx->name[0])
+ {
+ sprintf(tx->name, "unnamed%i", i);
+ Con_Printf("warning: unnamed texture in %s, renaming to %s\n", loadmodel->name, tx->name);
+ }
+
+ // LordHavoc: HL sky textures are entirely different than quake
+ if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
+ {
+ if (loadmodel->isworldmodel)
+ {
+ data = loadimagepixels(tx->name, false, 0, 0);
+ if (data)
+ {
+ if (image_width == 256 && image_height == 128)
+ {
+ R_InitSky(data, 4);
+ Mem_Free(data);
+ }
+ else
+ {
+ Mem_Free(data);
+ Con_Printf("Invalid replacement texture for sky \"%s\" in %\"%s\", must be 256x128 pixels\n", tx->name, loadmodel->name);
+ if (mtdata != NULL)
+ R_InitSky(mtdata, 1);
+ }
+ }
+ else if (mtdata != NULL)
+ R_InitSky(mtdata, 1);
+ }
+ }
+ else
+ {
+ if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true, true))
+ {
+ // did not find external texture, load it from the bsp or wad3
+ if (loadmodel->brush.ishlbsp)
+ {
+ // internal texture overrides wad
+ qbyte *pixels, *freepixels, *fogpixels;
+ pixels = freepixels = NULL;
+ if (mtdata)
+ pixels = W_ConvertWAD3Texture(dmiptex);
+ if (pixels == NULL)
+ pixels = freepixels = W_GetTexture(tx->name);
+ if (pixels != NULL)
+ {
+ tx->width = image_width;
+ tx->height = image_height;
+ tx->skin.base = tx->skin.merged = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, NULL);
+ if (Image_CheckAlpha(pixels, image_width * image_height, true))
+ {
+ fogpixels = Mem_Alloc(tempmempool, image_width * image_height * 4);
+ for (j = 0;j < image_width * image_height * 4;j += 4)
+ {
+ fogpixels[j + 0] = 255;
+ fogpixels[j + 1] = 255;
+ fogpixels[j + 2] = 255;
+ fogpixels[j + 3] = pixels[j + 3];
+ }
+ tx->skin.fog = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, NULL);
+ Mem_Free(fogpixels);
+ }
+ }
+ if (freepixels)
+ Mem_Free(freepixels);
+ }
+ else if (mtdata) // texture included
+ Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, true, tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
+ }
+ }
+ if (tx->skin.base == NULL)
+ {
+ // no texture found
+ tx->width = 16;
+ tx->height = 16;
+ tx->skin.base = r_notexture;
+ }
+
+ if (tx->name[0] == '*')
+ {
+ // turb does not block movement
+ tx->flags = SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
+ // LordHavoc: some turbulent textures should be fullbright and solid
+ if (!strncmp(tx->name,"*lava",5)
+ || !strncmp(tx->name,"*teleport",9)
+ || !strncmp(tx->name,"*rift",5)) // Scourge of Armagon texture
+ tx->flags |= SURF_DRAWFULLBRIGHT | SURF_DRAWNOALPHA;
+ else
+ tx->flags |= SURF_WATERALPHA;
+ }
+ else if (tx->name[0] == 's' && tx->name[1] == 'k' && tx->name[2] == 'y')
+ tx->flags = SURF_DRAWSKY | SURF_SOLIDCLIP;
+ else
+ tx->flags = SURF_LIGHTMAP | SURF_SOLIDCLIP;
+
+ // start out with no animation
+ tx->currentframe = tx;
+ }
+
+ // sequence the animations
+ for (i = 0;i < m->nummiptex;i++)
+ {
+ tx = loadmodel->brushq1.textures + i;
+ if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
+ continue;
+ if (tx->anim_total[0] || tx->anim_total[1])
+ continue; // already sequenced
+
+ // find the number of frames in the animation
+ memset(anims, 0, sizeof(anims));
+ memset(altanims, 0, sizeof(altanims));
+
+ for (j = i;j < m->nummiptex;j++)
+ {
+ tx2 = loadmodel->brushq1.textures + j;
+ if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
+ continue;
+
+ num = tx2->name[1];
+ if (num >= '0' && num <= '9')
+ anims[num - '0'] = tx2;
+ else if (num >= 'a' && num <= 'j')
+ altanims[num - 'a'] = tx2;
+ else
+ Con_Printf("Bad animating texture %s\n", tx->name);
+ }
+
+ max = altmax = 0;
+ for (j = 0;j < 10;j++)
+ {
+ if (anims[j])
+ max = j + 1;
+ if (altanims[j])
+ altmax = j + 1;
+ }
+ //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
+
+ incomplete = false;
+ for (j = 0;j < max;j++)
+ {
+ if (!anims[j])
+ {
+ Con_Printf("Missing frame %i of %s\n", j, tx->name);
+ incomplete = true;
+ }
+ }
+ for (j = 0;j < altmax;j++)
+ {
+ if (!altanims[j])
+ {
+ Con_Printf("Missing altframe %i of %s\n", j, tx->name);
+ incomplete = true;
+ }
+ }
+ if (incomplete)
+ continue;
+
+ if (altmax < 1)
+ {
+ // if there is no alternate animation, duplicate the primary
+ // animation into the alternate
+ altmax = max;
+ for (k = 0;k < 10;k++)
+ altanims[k] = anims[k];
+ }
+
+ // link together the primary animation
+ for (j = 0;j < max;j++)
+ {
+ tx2 = anims[j];
+ tx2->animated = true;
+ tx2->anim_total[0] = max;
+ tx2->anim_total[1] = altmax;
+ for (k = 0;k < 10;k++)
+ {
+ tx2->anim_frames[0][k] = anims[k];
+ tx2->anim_frames[1][k] = altanims[k];
+ }
+ }
+
+ // if there really is an alternate anim...
+ if (anims[0] != altanims[0])
+ {
+ // link together the alternate animation
+ for (j = 0;j < altmax;j++)
+ {
+ tx2 = altanims[j];
+ tx2->animated = true;
+ // the primary/alternate are reversed here
+ tx2->anim_total[0] = altmax;
+ tx2->anim_total[1] = max;
+ for (k = 0;k < 10;k++)
+ {
+ tx2->anim_frames[0][k] = altanims[k];
+ tx2->anim_frames[1][k] = anims[k];
+ }
+ }
+ }
+ }
+}
+
+static void Mod_Q1BSP_LoadLighting(lump_t *l)
+{
+ int i;
+ qbyte *in, *out, *data, d;
+ char litfilename[1024];
+ loadmodel->brushq1.lightdata = NULL;
+ if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
+ {
+ loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
+ memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
+ }
+ else // LordHavoc: bsp version 29 (normal white lighting)
+ {
+ // LordHavoc: hope is not lost yet, check for a .lit file to load
+ strlcpy (litfilename, loadmodel->name, sizeof (litfilename));
+ FS_StripExtension (litfilename, litfilename, sizeof (litfilename));
+ strlcat (litfilename, ".lit", sizeof (litfilename));
+ data = (qbyte*) FS_LoadFile(litfilename, tempmempool, false);
+ if (data)
+ {
+ if (fs_filesize > 8 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
+ {
+ i = LittleLong(((int *)data)[1]);
+ if (i == 1)
+ {
+ Con_DPrintf("loaded %s\n", litfilename);
+ loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
+ memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
+ Mem_Free(data);
+ return;
+ }
+ else
+ {
+ Con_Printf("Unknown .lit file version (%d)\n", i);
+ Mem_Free(data);
+ }
+ }
+ else
+ {
+ if (fs_filesize == 8)
+ Con_Print("Empty .lit file, ignoring\n");
+ else
+ Con_Print("Corrupt .lit file (old version?), ignoring\n");
+ Mem_Free(data);
+ }
+ }
+ // LordHavoc: oh well, expand the white lighting data
+ if (!l->filelen)
+ return;
+ loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
+ in = loadmodel->brushq1.lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
+ out = loadmodel->brushq1.lightdata;
+ memcpy(in, mod_base + l->fileofs, l->filelen);
+ for (i = 0;i < l->filelen;i++)
+ {
+ d = *in++;
+ *out++ = d;
+ *out++ = d;
+ *out++ = d;
+ }
+ }
+}
+
+static void Mod_Q1BSP_LoadLightList(void)
+{
+ int a, n, numlights;
+ char lightsfilename[1024], *s, *t, *lightsstring;
+ mlight_t *e;
+
+ strlcpy (lightsfilename, loadmodel->name, sizeof (lightsfilename));
+ FS_StripExtension (lightsfilename, lightsfilename, sizeof(lightsfilename));
+ strlcat (lightsfilename, ".lights", sizeof (lightsfilename));
+ s = lightsstring = (char *) FS_LoadFile(lightsfilename, tempmempool, false);
+ if (s)
+ {
+ numlights = 0;
+ while (*s)
+ {
+ while (*s && *s != '\n')
+ s++;
+ if (!*s)
+ {
+ Mem_Free(lightsstring);
+ Host_Error("lights file must end with a newline\n");
+ }
+ s++;
+ numlights++;
+ }
+ loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
+ s = lightsstring;
+ n = 0;
+ while (*s && n < numlights)
+ {
+ t = s;
+ while (*s && *s != '\n')
+ s++;
+ if (!*s)
+ {
+ Mem_Free(lightsstring);
+ Host_Error("misparsed lights file!\n");
+ }
+ e = loadmodel->brushq1.lights + n;
+ *s = 0;
+ a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &e->origin[0], &e->origin[1], &e->origin[2], &e->falloff, &e->light[0], &e->light[1], &e->light[2], &e->subtract, &e->spotdir[0], &e->spotdir[1], &e->spotdir[2], &e->spotcone, &e->distbias, &e->style);
+ *s = '\n';
+ if (a != 14)
+ {
+ Mem_Free(lightsstring);
+ Host_Error("invalid lights file, found %d parameters on line %i, should be 14 parameters (origin[0] origin[1] origin[2] falloff light[0] light[1] light[2] subtract spotdir[0] spotdir[1] spotdir[2] spotcone distancebias style)\n", a, n + 1);
+ }
+ s++;
+ n++;
+ }
+ if (*s)
+ {
+ Mem_Free(lightsstring);
+ Host_Error("misparsed lights file!\n");
+ }
+ loadmodel->brushq1.numlights = numlights;
+ Mem_Free(lightsstring);
+ }
+}
+
+static void Mod_Q1BSP_LoadVisibility(lump_t *l)
+{
+ loadmodel->brushq1.num_compressedpvs = 0;
+ loadmodel->brushq1.data_compressedpvs = NULL;
+ if (!l->filelen)
+ return;
+ loadmodel->brushq1.num_compressedpvs = l->filelen;
+ loadmodel->brushq1.data_compressedpvs = Mem_Alloc(loadmodel->mempool, l->filelen);
+ memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
+}
+
+// used only for HalfLife maps
+static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
+{
+ char key[128], value[4096];
+ char wadname[128];
+ int i, j, k;
+ if (!data)
+ return;
+ if (!COM_ParseToken(&data, false))
+ return; // error
+ if (com_token[0] != '{')
+ return; // error
+ while (1)
+ {
+ if (!COM_ParseToken(&data, false))
+ return; // error
+ if (com_token[0] == '}')
+ break; // end of worldspawn
+ if (com_token[0] == '_')
+ strcpy(key, com_token + 1);
+ else
+ strcpy(key, com_token);
+ while (key[strlen(key)-1] == ' ') // remove trailing spaces
+ key[strlen(key)-1] = 0;
+ if (!COM_ParseToken(&data, false))
+ return; // error
+ strcpy(value, com_token);
+ if (!strcmp("wad", key)) // for HalfLife maps
+ {
+ if (loadmodel->brush.ishlbsp)
+ {
+ j = 0;
+ for (i = 0;i < 4096;i++)
+ if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
+ break;
+ if (value[i])
+ {
+ for (;i < 4096;i++)
+ {
+ // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
+ if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
+ j = i+1;
+ else if (value[i] == ';' || value[i] == 0)
+ {
+ k = value[i];
+ value[i] = 0;
+ strcpy(wadname, "textures/");
+ strcat(wadname, &value[j]);
+ W_LoadTextureWadFile(wadname, false);
+ j = i+1;
+ if (!k)
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+static void Mod_Q1BSP_LoadEntities(lump_t *l)
+{
+ loadmodel->brush.entities = NULL;
+ if (!l->filelen)
+ return;
+ loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+ memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
+ if (loadmodel->brush.ishlbsp)
+ Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
+}
+
+
+static void Mod_Q1BSP_LoadVertexes(lump_t *l)
+{
+ dvertex_t *in;
+ mvertex_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+
+ loadmodel->brushq1.vertexes = out;
+ loadmodel->brushq1.numvertexes = count;
+
+ for ( i=0 ; i<count ; i++, in++, out++)
+ {
+ out->position[0] = LittleFloat(in->point[0]);
+ out->position[1] = LittleFloat(in->point[1]);
+ out->position[2] = LittleFloat(in->point[2]);
+ }
+}
+
+static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
+{
+ dmodel_t *in;
+ dmodel_t *out;
+ int i, j, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadSubmodels: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+
+ loadmodel->brushq1.submodels = out;
+ loadmodel->brush.numsubmodels = count;
+
+ for ( i=0 ; i<count ; i++, in++, out++)
+ {
+ for (j=0 ; j<3 ; j++)
+ {
+ // spread the mins / maxs by a pixel
+ out->mins[j] = LittleFloat(in->mins[j]) - 1;
+ out->maxs[j] = LittleFloat(in->maxs[j]) + 1;
+ out->origin[j] = LittleFloat(in->origin[j]);
+ }
+ for (j=0 ; j<MAX_MAP_HULLS ; j++)
+ out->headnode[j] = LittleLong(in->headnode[j]);
+ out->visleafs = LittleLong(in->visleafs);
+ out->firstface = LittleLong(in->firstface);
+ out->numfaces = LittleLong(in->numfaces);
+ }
+}
+
+static void Mod_Q1BSP_LoadEdges(lump_t *l)
+{
+ dedge_t *in;
+ medge_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq1.edges = out;
+ loadmodel->brushq1.numedges = count;
+
+ for ( i=0 ; i<count ; i++, in++, out++)
+ {
+ out->v[0] = (unsigned short)LittleShort(in->v[0]);
+ out->v[1] = (unsigned short)LittleShort(in->v[1]);
+ }
+}
+
+static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
+{
+ texinfo_t *in;
+ mtexinfo_t *out;
+ int i, j, k, count, miptex;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq1.texinfo = out;
+ loadmodel->brushq1.numtexinfo = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ for (k = 0;k < 2;k++)
+ for (j = 0;j < 4;j++)
+ out->vecs[k][j] = LittleFloat(in->vecs[k][j]);
+
+ miptex = LittleLong(in->miptex);
+ out->flags = LittleLong(in->flags);
+
+ out->texture = NULL;
+ if (loadmodel->brushq1.textures)
+ {
+ if ((unsigned int) miptex >= (unsigned int) loadmodel->brushq1.numtextures)
+ Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->brushq1.numtextures);
+ else
+ out->texture = loadmodel->brushq1.textures + miptex;
+ }
+ if (out->flags & TEX_SPECIAL)
+ {
+ // if texture chosen is NULL or the shader needs a lightmap,
+ // force to notexture water shader
+ if (out->texture == NULL || out->texture->flags & SURF_LIGHTMAP)
+ out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 1);
+ }
+ else
+ {
+ // if texture chosen is NULL, force to notexture
+ if (out->texture == NULL)
+ out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 2);
+ }
+ }
+}
+
+#if 0
+void BoundPoly(int numverts, float *verts, vec3_t mins, vec3_t maxs)
+{
+ int i, j;
+ float *v;
+
+ mins[0] = mins[1] = mins[2] = 9999;
+ maxs[0] = maxs[1] = maxs[2] = -9999;
+ v = verts;
+ for (i = 0;i < numverts;i++)
+ {
+ for (j = 0;j < 3;j++, v++)
+ {
+ if (*v < mins[j])
+ mins[j] = *v;
+ if (*v > maxs[j])
+ maxs[j] = *v;
+ }
+ }
+}
+
+#define MAX_SUBDIVPOLYTRIANGLES 4096
+#define MAX_SUBDIVPOLYVERTS(MAX_SUBDIVPOLYTRIANGLES * 3)
+
+static int subdivpolyverts, subdivpolytriangles;
+static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
+static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
+
+static int subdivpolylookupvert(vec3_t v)
+{
+ int i;
+ for (i = 0;i < subdivpolyverts;i++)
+ if (subdivpolyvert[i][0] == v[0]
+ && subdivpolyvert[i][1] == v[1]
+ && subdivpolyvert[i][2] == v[2])
+ return i;
+ if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
+ Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
+ VectorCopy(v, subdivpolyvert[subdivpolyverts]);
+ return subdivpolyverts++;
+}
+
+static void SubdividePolygon(int numverts, float *verts)
+{
+ int i, i1, i2, i3, f, b, c, p;
+ vec3_t mins, maxs, front[256], back[256];
+ float m, *pv, *cv, dist[256], frac;
+
+ if (numverts > 250)
+ Host_Error("SubdividePolygon: ran out of verts in buffer");
+
+ BoundPoly(numverts, verts, mins, maxs);
+
+ for (i = 0;i < 3;i++)
+ {
+ m = (mins[i] + maxs[i]) * 0.5;
+ m = r_subdivide_size.value * floor(m/r_subdivide_size.value + 0.5);
+ if (maxs[i] - m < 8)
+ continue;
+ if (m - mins[i] < 8)
+ continue;
+
+ // cut it
+ for (cv = verts, c = 0;c < numverts;c++, cv += 3)
+ dist[c] = cv[i] - m;
+
+ f = b = 0;
+ for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
+ {
+ if (dist[p] >= 0)
+ {
+ VectorCopy(pv, front[f]);
+ f++;
+ }
+ if (dist[p] <= 0)
+ {
+ VectorCopy(pv, back[b]);
+ b++;
+ }
+ if (dist[p] == 0 || dist[c] == 0)
+ continue;
+ if ((dist[p] > 0) != (dist[c] > 0) )
+ {
+ // clip point
+ frac = dist[p] / (dist[p] - dist[c]);
+ front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
+ front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
+ front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
+ f++;
+ b++;
+ }
+ }
+
+ SubdividePolygon(f, front[0]);
+ SubdividePolygon(b, back[0]);
+ return;
+ }
+
+ i1 = subdivpolylookupvert(verts);
+ i2 = subdivpolylookupvert(verts + 3);
+ for (i = 2;i < numverts;i++)
+ {
+ if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
+ {
+ Con_Print("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
+ return;
+ }
+
+ i3 = subdivpolylookupvert(verts + i * 3);
+ subdivpolyindex[subdivpolytriangles][0] = i1;
+ subdivpolyindex[subdivpolytriangles][1] = i2;
+ subdivpolyindex[subdivpolytriangles][2] = i3;
+ i2 = i3;
+ subdivpolytriangles++;
+ }
+}
+
+//Breaks a polygon up along axial 64 unit
+//boundaries so that turbulent and sky warps
+//can be done reasonably.
+static void Mod_Q1BSP_GenerateWarpMesh(msurface_t *surf)
+{
+ int i, j;
+ surfvertex_t *v;
+ surfmesh_t *mesh;
+
+ subdivpolytriangles = 0;
+ subdivpolyverts = 0;
+ SubdividePolygon(surf->poly_numverts, surf->poly_verts);
+ if (subdivpolytriangles < 1)
+ Host_Error("Mod_Q1BSP_GenerateWarpMesh: no triangles?\n");
+
+ surf->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
+ mesh->num_vertices = subdivpolyverts;
+ mesh->num_triangles = subdivpolytriangles;
+ mesh->vertex = (surfvertex_t *)(mesh + 1);
+ mesh->index = (int *)(mesh->vertex + mesh->num_vertices);
+ memset(mesh->vertex, 0, mesh->num_vertices * sizeof(surfvertex_t));
+
+ for (i = 0;i < mesh->num_triangles;i++)
+ for (j = 0;j < 3;j++)
+ mesh->index[i*3+j] = subdivpolyindex[i][j];
+
+ for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
+ {
+ VectorCopy(subdivpolyvert[i], v->v);
+ v->st[0] = DotProduct(v->v, surf->texinfo->vecs[0]);
+ v->st[1] = DotProduct(v->v, surf->texinfo->vecs[1]);
+ }
+}
+#endif
+
+static surfmesh_t *Mod_Q1BSP_AllocSurfMesh(int numverts, int numtriangles)
+{
+ surfmesh_t *mesh;
+ mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + numtriangles * sizeof(int[6]) + numverts * (3 + 2 + 2 + 2 + 3 + 3 + 3 + 1) * sizeof(float));
+ mesh->num_vertices = numverts;
+ mesh->num_triangles = numtriangles;
+ mesh->data_vertex3f = (float *)(mesh + 1);
+ mesh->data_texcoordtexture2f = mesh->data_vertex3f + mesh->num_vertices * 3;
+ mesh->data_texcoordlightmap2f = mesh->data_texcoordtexture2f + mesh->num_vertices * 2;
+ mesh->data_texcoorddetail2f = mesh->data_texcoordlightmap2f + mesh->num_vertices * 2;
+ mesh->data_svector3f = (float *)(mesh->data_texcoorddetail2f + mesh->num_vertices * 2);
+ mesh->data_tvector3f = mesh->data_svector3f + mesh->num_vertices * 3;
+ mesh->data_normal3f = mesh->data_tvector3f + mesh->num_vertices * 3;
+ mesh->data_lightmapoffsets = (int *)(mesh->data_normal3f + mesh->num_vertices * 3);
+ mesh->data_element3i = mesh->data_lightmapoffsets + mesh->num_vertices;
+ mesh->data_neighbor3i = mesh->data_element3i + mesh->num_triangles * 3;
+ return mesh;
+}
+
+static void Mod_Q1BSP_GenerateSurfacePolygon(msurface_t *surf, int firstedge, int numedges)
+{
+ int i, lindex, j;
+ float *vec, *vert, mins[3], maxs[3], val, *v;
+ mtexinfo_t *tex;
+
+ // convert edges back to a normal polygon
+ surf->poly_numverts = numedges;
+ vert = surf->poly_verts = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * numedges);
+ for (i = 0;i < numedges;i++)
+ {
+ lindex = loadmodel->brushq1.surfedges[firstedge + i];
+ if (lindex > 0)
+ vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position;
+ else
+ vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position;
+ VectorCopy(vec, vert);
+ vert += 3;
+ }
+
+ // calculate polygon bounding box and center
+ vert = surf->poly_verts;
+ VectorCopy(vert, mins);
+ VectorCopy(vert, maxs);
+ vert += 3;
+ for (i = 1;i < surf->poly_numverts;i++, vert += 3)
+ {
+ if (mins[0] > vert[0]) mins[0] = vert[0];if (maxs[0] < vert[0]) maxs[0] = vert[0];
+ if (mins[1] > vert[1]) mins[1] = vert[1];if (maxs[1] < vert[1]) maxs[1] = vert[1];
+ if (mins[2] > vert[2]) mins[2] = vert[2];if (maxs[2] < vert[2]) maxs[2] = vert[2];
+ }
+ VectorCopy(mins, surf->poly_mins);
+ VectorCopy(maxs, surf->poly_maxs);
+ surf->poly_center[0] = (mins[0] + maxs[0]) * 0.5f;
+ surf->poly_center[1] = (mins[1] + maxs[1]) * 0.5f;
+ surf->poly_center[2] = (mins[2] + maxs[2]) * 0.5f;
+
+ // generate surface extents information
+ tex = surf->texinfo;
+ mins[0] = maxs[0] = DotProduct(surf->poly_verts, tex->vecs[0]) + tex->vecs[0][3];
+ mins[1] = maxs[1] = DotProduct(surf->poly_verts, tex->vecs[1]) + tex->vecs[1][3];
+ for (i = 1, v = surf->poly_verts + 3;i < surf->poly_numverts;i++, v += 3)
+ {
+ for (j = 0;j < 2;j++)
+ {
+ val = DotProduct(v, tex->vecs[j]) + tex->vecs[j][3];
+ if (mins[j] > val)
+ mins[j] = val;
+ if (maxs[j] < val)
+ maxs[j] = val;
+ }
+ }
+ for (i = 0;i < 2;i++)
+ {
+ surf->texturemins[i] = (int) floor(mins[i] / 16) * 16;
+ surf->extents[i] = (int) ceil(maxs[i] / 16) * 16 - surf->texturemins[i];
+ }
+}
+
+static void Mod_Q1BSP_LoadFaces(lump_t *l)
+{
+ dface_t *in;
+ msurface_t *surf;
+ int i, count, surfnum, planenum, ssize, tsize, firstedge, numedges, totalverts, totaltris, totalmeshes;
+ surfmesh_t *mesh;
+ float s, t;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ loadmodel->brushq1.surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
+
+ loadmodel->brushq1.numsurfaces = count;
+ loadmodel->brushq1.surfacevisframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+ loadmodel->brushq1.surfacepvsframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+ loadmodel->brushq1.pvssurflist = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+
+ for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, in++, surf++)
+ {
+ surf->number = surfnum;
+ // FIXME: validate edges, texinfo, etc?
+ firstedge = LittleLong(in->firstedge);
+ numedges = LittleShort(in->numedges);
+ if ((unsigned int) firstedge > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges)
+ Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->brushq1.numsurfedges);
+ i = LittleShort(in->texinfo);
+ if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
+ Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->brushq1.numtexinfo);
+ surf->texinfo = loadmodel->brushq1.texinfo + i;
+ surf->flags = surf->texinfo->texture->flags;
+
+ planenum = LittleShort(in->planenum);
+ if ((unsigned int) planenum >= (unsigned int) loadmodel->brushq1.numplanes)
+ Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->brushq1.numplanes);
+
+ if (LittleShort(in->side))
+ surf->flags |= SURF_PLANEBACK;
+
+ surf->plane = loadmodel->brushq1.planes + planenum;
+
+ // clear lightmap (filled in later)
+ surf->lightmaptexture = NULL;
+
+ // force lightmap upload on first time seeing the surface
+ surf->cached_dlight = true;
+
+ Mod_Q1BSP_GenerateSurfacePolygon(surf, firstedge, numedges);
+
+ ssize = (surf->extents[0] >> 4) + 1;
+ tsize = (surf->extents[1] >> 4) + 1;
+
+ // lighting info
+ for (i = 0;i < MAXLIGHTMAPS;i++)
+ surf->styles[i] = in->styles[i];
+ i = LittleLong(in->lightofs);
+ if (i == -1)
+ surf->samples = NULL;
+ else if (loadmodel->brush.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
+ surf->samples = loadmodel->brushq1.lightdata + i;
+ else // LordHavoc: white lighting (bsp version 29)
+ surf->samples = loadmodel->brushq1.lightdata + (i * 3);
+
+ if (surf->texinfo->texture->flags & SURF_LIGHTMAP)
+ {
+ if ((surf->extents[0] >> 4) + 1 > (256) || (surf->extents[1] >> 4) + 1 > (256))
+ Host_Error("Bad surface extents");
+ // stainmap for permanent marks on walls
+ surf->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
+ // clear to white
+ memset(surf->stainsamples, 255, ssize * tsize * 3);
+ }
+ }
+
+ loadmodel->brushq1.entiremesh = Mod_Q1BSP_AllocSurfMesh(totalverts, totaltris);
+
+ for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, surf++)
+ {
+ mesh = &surf->mesh;
+ mesh->num_vertices = surf->poly_numverts;
+ mesh->num_triangles = surf->poly_numverts - 2;
+ mesh->data_vertex3f = loadmodel->brushq1.entiremesh->data_vertex3f + totalverts * 3;
+ mesh->data_texcoordtexture2f = loadmodel->brushq1.entiremesh->data_texcoordtexture2f + totalverts * 2;
+ mesh->data_texcoordlightmap2f = loadmodel->brushq1.entiremesh->data_texcoordlightmap2f + totalverts * 2;
+ mesh->data_texcoorddetail2f = loadmodel->brushq1.entiremesh->data_texcoorddetail2f + totalverts * 2;
+ mesh->data_svector3f = loadmodel->brushq1.entiremesh->data_svector3f + totalverts * 3;
+ mesh->data_tvector3f = loadmodel->brushq1.entiremesh->data_tvector3f + totalverts * 3;
+ mesh->data_normal3f = loadmodel->brushq1.entiremesh->data_normal3f + totalverts * 3;
+ mesh->data_lightmapoffsets = loadmodel->brushq1.entiremesh->data_lightmapoffsets + totalverts;
+ mesh->data_element3i = loadmodel->brushq1.entiremesh->data_element3i + totaltris * 3;
+ mesh->data_neighbor3i = loadmodel->brushq1.entiremesh->data_neighbor3i + totaltris * 3;
+
+ surf->lightmaptexturestride = 0;
+ surf->lightmaptexture = NULL;
+
+ for (i = 0;i < mesh->num_vertices;i++)
+ {
+ mesh->data_vertex3f[i * 3 + 0] = surf->poly_verts[i * 3 + 0];
+ mesh->data_vertex3f[i * 3 + 1] = surf->poly_verts[i * 3 + 1];
+ mesh->data_vertex3f[i * 3 + 2] = surf->poly_verts[i * 3 + 2];
+ s = DotProduct((mesh->data_vertex3f + i * 3), surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3];
+ t = DotProduct((mesh->data_vertex3f + i * 3), surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3];
+ mesh->data_texcoordtexture2f[i * 2 + 0] = s / surf->texinfo->texture->width;
+ mesh->data_texcoordtexture2f[i * 2 + 1] = t / surf->texinfo->texture->height;
+ mesh->data_texcoorddetail2f[i * 2 + 0] = s * (1.0f / 16.0f);
+ mesh->data_texcoorddetail2f[i * 2 + 1] = t * (1.0f / 16.0f);
+ mesh->data_texcoordlightmap2f[i * 2 + 0] = 0;
+ mesh->data_texcoordlightmap2f[i * 2 + 1] = 0;
+ mesh->data_lightmapoffsets[i] = 0;
+ }
+
+ for (i = 0;i < mesh->num_triangles;i++)
+ {
+ mesh->data_element3i[i * 3 + 0] = 0;
+ mesh->data_element3i[i * 3 + 1] = i + 1;
+ mesh->data_element3i[i * 3 + 2] = i + 2;
+ }
+
+ Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+ Mod_BuildTextureVectorsAndNormals(mesh->num_vertices, mesh->num_triangles, mesh->data_vertex3f, mesh->data_texcoordtexture2f, mesh->data_element3i, mesh->data_svector3f, mesh->data_tvector3f, mesh->data_normal3f);
+
+ if (surf->texinfo->texture->flags & SURF_LIGHTMAP)
+ {
+ int i, iu, iv, smax, tmax;
+ float u, v, ubase, vbase, uscale, vscale;
+
+ smax = surf->extents[0] >> 4;
+ tmax = surf->extents[1] >> 4;
+
+ if (r_miplightmaps.integer)
+ {
+ surf->lightmaptexturestride = smax+1;
+ surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+ }
+ else
+ {
+ surf->lightmaptexturestride = R_CompatibleFragmentWidth(smax+1, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
+ surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+ }
+ R_FragmentLocation(surf->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
+ uscale = (uscale - ubase) / (smax + 1);
+ vscale = (vscale - vbase) / (tmax + 1);
+
+ for (i = 0;i < mesh->num_vertices;i++)
+ {
+ u = ((DotProduct((mesh->data_vertex3f + i * 3), surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]) + 8 - surf->texturemins[0]) * (1.0 / 16.0);
+ v = ((DotProduct((mesh->data_vertex3f + i * 3), surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3]) + 8 - surf->texturemins[1]) * (1.0 / 16.0);
+ mesh->data_texcoordlightmap2f[i * 2 + 0] = u * uscale + ubase;
+ mesh->data_texcoordlightmap2f[i * 2 + 1] = v * vscale + vbase;
+ // LordHavoc: calc lightmap data offset for vertex lighting to use
+ iu = (int) u;
+ iv = (int) v;
+ mesh->data_lightmapoffsets[i] = (bound(0, iv, tmax) * (smax+1) + bound(0, iu, smax)) * 3;
+ }
+ }
+ }
+}
+
+static void Mod_Q1BSP_SetParent(mnode_t *node, mnode_t *parent)
+{
+ node->parent = parent;
+ if (node->contents < 0)
+ return;
+ Mod_Q1BSP_SetParent(node->children[0], node);
+ Mod_Q1BSP_SetParent(node->children[1], node);
+}
+
+static void Mod_Q1BSP_LoadNodes(lump_t *l)
+{
+ int i, j, count, p;
+ dnode_t *in;
+ mnode_t *out;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+
+ loadmodel->brushq1.nodes = out;
+ loadmodel->brushq1.numnodes = count;
+
+ for ( i=0 ; i<count ; i++, in++, out++)
+ {
+ for (j=0 ; j<3 ; j++)
+ {
+ out->mins[j] = LittleShort(in->mins[j]);
+ out->maxs[j] = LittleShort(in->maxs[j]);
+ }
+
+ p = LittleLong(in->planenum);
+ out->plane = loadmodel->brushq1.planes + p;
+
+ out->firstsurface = LittleShort(in->firstface);
+ out->numsurfaces = LittleShort(in->numfaces);
+
+ for (j=0 ; j<2 ; j++)
+ {
+ p = LittleShort(in->children[j]);
+ if (p >= 0)
+ out->children[j] = loadmodel->brushq1.nodes + p;
+ else
+ out->children[j] = (mnode_t *)(loadmodel->brushq1.data_leafs + (-1 - p));
+ }
+ }
+
+ Mod_Q1BSP_SetParent(loadmodel->brushq1.nodes, NULL); // sets nodes and leafs
+}
+
+static void Mod_Q1BSP_LoadLeafs(lump_t *l)
+{
+ dleaf_t *in;
+ mleaf_t *out;
+ int i, j, count, p;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+
+ loadmodel->brushq1.data_leafs = out;
+ loadmodel->brushq1.num_leafs = count;
+ // get visleafs from the submodel data
+ loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
+ loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
+ loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
+ memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
+
+ for ( i=0 ; i<count ; i++, in++, out++)
+ {
+ for (j=0 ; j<3 ; j++)
+ {
+ out->mins[j] = LittleShort(in->mins[j]);
+ out->maxs[j] = LittleShort(in->maxs[j]);
+ }
+
+ // FIXME: this function could really benefit from some error checking
+
+ out->contents = LittleLong(in->contents);
+
+ out->firstmarksurface = loadmodel->brushq1.marksurfaces + LittleShort(in->firstmarksurface);
+ out->nummarksurfaces = LittleShort(in->nummarksurfaces);
+ if (out->firstmarksurface < 0 || LittleShort(in->firstmarksurface) + out->nummarksurfaces > loadmodel->brushq1.nummarksurfaces)
+ {
+ Con_Printf("Mod_Q1BSP_LoadLeafs: invalid marksurface range %i:%i outside range %i:%i\n", out->firstmarksurface, out->firstmarksurface + out->nummarksurfaces, 0, loadmodel->brushq1.nummarksurfaces);
+ out->firstmarksurface = NULL;
+ out->nummarksurfaces = 0;
+ }
+
+ out->clusterindex = i - 1;
+ if (out->clusterindex >= loadmodel->brush.num_pvsclusters)
+ out->clusterindex = -1;
+
+ p = LittleLong(in->visofs);
+ // ignore visofs errors on leaf 0 (solid)
+ if (p >= 0 && out->clusterindex >= 0)
+ {
+ if (p >= loadmodel->brushq1.num_compressedpvs)
+ Con_Print("Mod_Q1BSP_LoadLeafs: invalid visofs\n");
+ else
+ Mod_Q1BSP_DecompressVis(loadmodel->brushq1.data_compressedpvs + p, loadmodel->brushq1.data_compressedpvs + loadmodel->brushq1.num_compressedpvs, loadmodel->brush.data_pvsclusters + out->clusterindex * loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.data_pvsclusters + (out->clusterindex + 1) * loadmodel->brush.num_pvsclusterbytes);
+ }
+
+ for (j = 0;j < 4;j++)
+ out->ambient_sound_level[j] = in->ambient_level[j];
+
+ // FIXME: Insert caustics here
+ }
+}
+
+static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
+{
+ dclipnode_t *in, *out;
+ int i, count;
+ hull_t *hull;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+
+ loadmodel->brushq1.clipnodes = out;
+ loadmodel->brushq1.numclipnodes = count;
+
+ if (loadmodel->brush.ishlbsp)
+ {
+ hull = &loadmodel->brushq1.hulls[1];
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = count-1;
+ hull->planes = loadmodel->brushq1.planes;
+ hull->clip_mins[0] = -16;
+ hull->clip_mins[1] = -16;
+ hull->clip_mins[2] = -36;
+ hull->clip_maxs[0] = 16;
+ hull->clip_maxs[1] = 16;
+ hull->clip_maxs[2] = 36;
+ VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+
+ hull = &loadmodel->brushq1.hulls[2];
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = count-1;
+ hull->planes = loadmodel->brushq1.planes;
+ hull->clip_mins[0] = -32;
+ hull->clip_mins[1] = -32;
+ hull->clip_mins[2] = -32;
+ hull->clip_maxs[0] = 32;
+ hull->clip_maxs[1] = 32;
+ hull->clip_maxs[2] = 32;
+ VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+
+ hull = &loadmodel->brushq1.hulls[3];
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = count-1;
+ hull->planes = loadmodel->brushq1.planes;
+ hull->clip_mins[0] = -16;
+ hull->clip_mins[1] = -16;
+ hull->clip_mins[2] = -18;
+ hull->clip_maxs[0] = 16;
+ hull->clip_maxs[1] = 16;
+ hull->clip_maxs[2] = 18;
+ VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+ }
+ else
+ {
+ hull = &loadmodel->brushq1.hulls[1];
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = count-1;
+ hull->planes = loadmodel->brushq1.planes;
+ hull->clip_mins[0] = -16;
+ hull->clip_mins[1] = -16;
+ hull->clip_mins[2] = -24;
+ hull->clip_maxs[0] = 16;
+ hull->clip_maxs[1] = 16;
+ hull->clip_maxs[2] = 32;
+ VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+
+ hull = &loadmodel->brushq1.hulls[2];
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = count-1;
+ hull->planes = loadmodel->brushq1.planes;
+ hull->clip_mins[0] = -32;
+ hull->clip_mins[1] = -32;
+ hull->clip_mins[2] = -24;
+ hull->clip_maxs[0] = 32;
+ hull->clip_maxs[1] = 32;
+ hull->clip_maxs[2] = 64;
+ VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+ }
+
+ for (i=0 ; i<count ; i++, out++, in++)
+ {
+ out->planenum = LittleLong(in->planenum);
+ out->children[0] = LittleShort(in->children[0]);
+ out->children[1] = LittleShort(in->children[1]);
+ if (out->children[0] >= count || out->children[1] >= count)
+ Host_Error("Corrupt clipping hull(out of range child)\n");
+ }
+}
+
+//Duplicate the drawing hull structure as a clipping hull
+static void Mod_Q1BSP_MakeHull0(void)
+{
+ mnode_t *in;
+ dclipnode_t *out;
+ int i;
+ hull_t *hull;
+
+ hull = &loadmodel->brushq1.hulls[0];
+
+ in = loadmodel->brushq1.nodes;
+ out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numnodes * sizeof(dclipnode_t));
+
+ hull->clipnodes = out;
+ hull->firstclipnode = 0;
+ hull->lastclipnode = loadmodel->brushq1.numnodes - 1;
+ hull->planes = loadmodel->brushq1.planes;
+
+ for (i = 0;i < loadmodel->brushq1.numnodes;i++, out++, in++)
+ {
+ out->planenum = in->plane - loadmodel->brushq1.planes;
+ out->children[0] = in->children[0]->contents < 0 ? in->children[0]->contents : in->children[0] - loadmodel->brushq1.nodes;
+ out->children[1] = in->children[1]->contents < 0 ? in->children[1]->contents : in->children[1] - loadmodel->brushq1.nodes;
+ }
+}
+
+static void Mod_Q1BSP_LoadMarksurfaces(lump_t *l)
+{
+ int i, j;
+ short *in;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadMarksurfaces: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq1.nummarksurfaces = l->filelen / sizeof(*in);
+ loadmodel->brushq1.marksurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.nummarksurfaces * sizeof(int));
+
+ for (i = 0;i < loadmodel->brushq1.nummarksurfaces;i++)
+ {
+ j = (unsigned) LittleShort(in[i]);
+ if (j >= loadmodel->brushq1.numsurfaces)
+ Host_Error("Mod_Q1BSP_LoadMarksurfaces: bad surface number");
+ loadmodel->brushq1.marksurfaces[i] = j;
+ }
+}
+
+static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
+{
+ int i;
+ int *in;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
+ loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
+
+ for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
+ loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
+}
+
+
+static void Mod_Q1BSP_LoadPlanes(lump_t *l)
+{
+ int i;
+ mplane_t *out;
+ dplane_t *in;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
+
+ loadmodel->brushq1.numplanes = l->filelen / sizeof(*in);
+ loadmodel->brushq1.planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numplanes * sizeof(*out));
+
+ for (i = 0;i < loadmodel->brushq1.numplanes;i++, in++, out++)
+ {
+ out->normal[0] = LittleFloat(in->normal[0]);
+ out->normal[1] = LittleFloat(in->normal[1]);
+ out->normal[2] = LittleFloat(in->normal[2]);
+ out->dist = LittleFloat(in->dist);
+
+ PlaneClassify(out);
+ }
+}
+
+typedef struct portal_s
+{
+ mplane_t plane;
+ mnode_t *nodes[2]; // [0] = front side of plane
+ struct portal_s *next[2];
+ winding_t *winding;
+ struct portal_s *chain; // all portals are linked into a list
+}
+portal_t;
+
+static portal_t *portalchain;
+
+/*
+===========
+AllocPortal
+===========
+*/
+static portal_t *AllocPortal(void)
+{
+ portal_t *p;
+ p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
+ p->chain = portalchain;
+ portalchain = p;
+ return p;
+}
+
+static void FreePortal(portal_t *p)
+{
+ Mem_Free(p);
+}
+
+static void Mod_Q1BSP_RecursiveRecalcNodeBBox(mnode_t *node)
+{
+ // calculate children first
+ if (node->children[0]->contents >= 0)
+ Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[0]);
+ if (node->children[1]->contents >= 0)
+ Mod_Q1BSP_RecursiveRecalcNodeBBox(node->children[1]);
+
+ // make combined bounding box from children
+ node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
+ node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
+ node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
+ node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
+ node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
+ node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
+}
+
+static void Mod_Q1BSP_FinalizePortals(void)
+{
+ int i, j, numportals, numpoints;
+ portal_t *p, *pnext;
+ mportal_t *portal;
+ mvertex_t *point;
+ mleaf_t *leaf, *endleaf;
+ winding_t *w;
+
+ // recalculate bounding boxes for all leafs(because qbsp is very sloppy)
+ leaf = loadmodel->brushq1.data_leafs;
+ endleaf = leaf + loadmodel->brushq1.num_leafs;
+ for (;leaf < endleaf;leaf++)
+ {
+ VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
+ VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
+ }
+ p = portalchain;
+ while (p)
+ {
+ if (p->winding)
+ {
+ for (i = 0;i < 2;i++)
+ {
+ leaf = (mleaf_t *)p->nodes[i];
+ w = p->winding;
+ for (j = 0;j < w->numpoints;j++)
+ {
+ if (leaf->mins[0] > w->points[j][0]) leaf->mins[0] = w->points[j][0];
+ if (leaf->mins[1] > w->points[j][1]) leaf->mins[1] = w->points[j][1];
+ if (leaf->mins[2] > w->points[j][2]) leaf->mins[2] = w->points[j][2];
+ if (leaf->maxs[0] < w->points[j][0]) leaf->maxs[0] = w->points[j][0];
+ if (leaf->maxs[1] < w->points[j][1]) leaf->maxs[1] = w->points[j][1];
+ if (leaf->maxs[2] < w->points[j][2]) leaf->maxs[2] = w->points[j][2];
+ }
+ }
+ }
+ p = p->chain;
+ }
+
+ Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brushq1.nodes);
+
+ // tally up portal and point counts
+ p = portalchain;
+ numportals = 0;
+ numpoints = 0;
+ while (p)
+ {
+ // note: this check must match the one below or it will usually corrupt memory
+ // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
+ if (p->winding && p->nodes[0] != p->nodes[1]
+ && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
+ && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
+ {
+ numportals += 2;
+ numpoints += p->winding->numpoints * 2;
+ }
+ p = p->chain;
+ }
+ loadmodel->brushq1.portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
+ loadmodel->brushq1.numportals = numportals;
+ loadmodel->brushq1.portalpoints = (void *)((qbyte *) loadmodel->brushq1.portals + numportals * sizeof(mportal_t));
+ loadmodel->brushq1.numportalpoints = numpoints;
+ // clear all leaf portal chains
+ for (i = 0;i < loadmodel->brushq1.num_leafs;i++)
+ loadmodel->brushq1.data_leafs[i].portals = NULL;
+ // process all portals in the global portal chain, while freeing them
+ portal = loadmodel->brushq1.portals;
+ point = loadmodel->brushq1.portalpoints;
+ p = portalchain;
+ portalchain = NULL;
+ while (p)
+ {
+ pnext = p->chain;
+
+ if (p->winding)
+ {
+ // note: this check must match the one above or it will usually corrupt memory
+ // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
+ if (p->nodes[0] != p->nodes[1]
+ && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
+ && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
+ {
+ // first make the back to front portal(forward portal)
+ portal->points = point;
+ portal->numpoints = p->winding->numpoints;
+ portal->plane.dist = p->plane.dist;
+ VectorCopy(p->plane.normal, portal->plane.normal);
+ portal->here = (mleaf_t *)p->nodes[1];
+ portal->past = (mleaf_t *)p->nodes[0];
+ // copy points
+ for (j = 0;j < portal->numpoints;j++)
+ {
+ VectorCopy(p->winding->points[j], point->position);
+ point++;
+ }
+ PlaneClassify(&portal->plane);
+
+ // link into leaf's portal chain
+ portal->next = portal->here->portals;
+ portal->here->portals = portal;
+
+ // advance to next portal
+ portal++;
+
+ // then make the front to back portal(backward portal)
+ portal->points = point;
+ portal->numpoints = p->winding->numpoints;
+ portal->plane.dist = -p->plane.dist;
+ VectorNegate(p->plane.normal, portal->plane.normal);
+ portal->here = (mleaf_t *)p->nodes[0];
+ portal->past = (mleaf_t *)p->nodes[1];
+ // copy points
+ for (j = portal->numpoints - 1;j >= 0;j--)
+ {
+ VectorCopy(p->winding->points[j], point->position);
+ point++;
+ }
+ PlaneClassify(&portal->plane);
+
+ // link into leaf's portal chain
+ portal->next = portal->here->portals;
+ portal->here->portals = portal;
+
+ // advance to next portal
+ portal++;
+ }
+ Winding_Free(p->winding);
+ }
+ FreePortal(p);
+ p = pnext;
+ }
+}
+
+/*
+=============
+AddPortalToNodes
+=============
+*/
+static void AddPortalToNodes(portal_t *p, mnode_t *front, mnode_t *back)
+{
+ if (!front)
+ Host_Error("AddPortalToNodes: NULL front node");
+ if (!back)
+ Host_Error("AddPortalToNodes: NULL back node");
+ if (p->nodes[0] || p->nodes[1])
+ Host_Error("AddPortalToNodes: already included");
+ // note: front == back is handled gracefully, because leaf 0 is the shared solid leaf, it can often have portals with the same leaf on both sides
+
+ p->nodes[0] = front;
+ p->next[0] = (portal_t *)front->portals;
+ front->portals = (mportal_t *)p;
+
+ p->nodes[1] = back;
+ p->next[1] = (portal_t *)back->portals;
+ back->portals = (mportal_t *)p;
+}
+
+/*
+=============
+RemovePortalFromNode
+=============
+*/
+static void RemovePortalFromNodes(portal_t *portal)
+{
+ int i;
+ mnode_t *node;
+ void **portalpointer;
+ portal_t *t;
+ for (i = 0;i < 2;i++)
+ {
+ node = portal->nodes[i];
+
+ portalpointer = (void **) &node->portals;
+ while (1)
+ {
+ t = *portalpointer;
+ if (!t)
+ Host_Error("RemovePortalFromNodes: portal not in leaf");
+
+ if (t == portal)
+ {
+ if (portal->nodes[0] == node)
+ {
+ *portalpointer = portal->next[0];
+ portal->nodes[0] = NULL;
+ }
+ else if (portal->nodes[1] == node)
+ {
+ *portalpointer = portal->next[1];
+ portal->nodes[1] = NULL;
+ }
+ else
+ Host_Error("RemovePortalFromNodes: portal not bounding leaf");
+ break;
+ }
+
+ if (t->nodes[0] == node)
+ portalpointer = (void **) &t->next[0];
+ else if (t->nodes[1] == node)
+ portalpointer = (void **) &t->next[1];
+ else
+ Host_Error("RemovePortalFromNodes: portal not bounding leaf");
+ }
+ }
+}
+
+static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
{
- char key[128], value[4096];
- char wadname[128];
- int i, j, k;
- if (!data)
+ int side;
+ mnode_t *front, *back, *other_node;
+ mplane_t clipplane, *plane;
+ portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
+ winding_t *nodeportalwinding, *frontwinding, *backwinding;
+
+ // if a leaf, we're done
+ if (node->contents)
return;
- if (!COM_ParseToken(&data))
- return; // error
- if (com_token[0] != '{')
- return; // error
- while (1)
+
+ plane = node->plane;
+
+ front = node->children[0];
+ back = node->children[1];
+ if (front == back)
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: corrupt node hierarchy");
+
+ // create the new portal by generating a polygon for the node plane,
+ // and clipping it by all of the other portals(which came from nodes above this one)
+ nodeportal = AllocPortal();
+ nodeportal->plane = *plane;
+
+ nodeportalwinding = Winding_NewFromPlane(nodeportal->plane.normal[0], nodeportal->plane.normal[1], nodeportal->plane.normal[2], nodeportal->plane.dist);
+ side = 0; // shut up compiler warning
+ for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
{
- if (!COM_ParseToken(&data))
- return; // error
- if (com_token[0] == '}')
- break; // end of worldspawn
- if (com_token[0] == '_')
- strcpy(key, com_token + 1);
+ clipplane = portal->plane;
+ if (portal->nodes[0] == portal->nodes[1])
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(1)");
+ if (portal->nodes[0] == node)
+ side = 0;
+ else if (portal->nodes[1] == node)
+ {
+ clipplane.dist = -clipplane.dist;
+ VectorNegate(clipplane.normal, clipplane.normal);
+ side = 1;
+ }
else
- strcpy(key, com_token);
- while (key[strlen(key)-1] == ' ') // remove trailing spaces
- key[strlen(key)-1] = 0;
- if (!COM_ParseToken(&data))
- return; // error
- strcpy(value, com_token);
- if (!strcmp("wad", key)) // for HalfLife maps
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
+
+ nodeportalwinding = Winding_Clip(nodeportalwinding, clipplane.normal[0], clipplane.normal[1], clipplane.normal[2], clipplane.dist, true);
+ if (!nodeportalwinding)
+ {
+ Con_Print("Mod_Q1BSP_RecursiveNodePortals: WARNING: new portal was clipped away\n");
+ break;
+ }
+ }
+
+ if (nodeportalwinding)
+ {
+ // if the plane was not clipped on all sides, there was an error
+ nodeportal->winding = nodeportalwinding;
+ AddPortalToNodes(nodeportal, front, back);
+ }
+
+ // split the portals of this node along this node's plane and assign them to the children of this node
+ // (migrating the portals downward through the tree)
+ for (portal = (portal_t *)node->portals;portal;portal = nextportal)
+ {
+ if (portal->nodes[0] == portal->nodes[1])
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: portal has same node on both sides(2)");
+ if (portal->nodes[0] == node)
+ side = 0;
+ else if (portal->nodes[1] == node)
+ side = 1;
+ else
+ Host_Error("Mod_Q1BSP_RecursiveNodePortals: mislinked portal");
+ nextportal = portal->next[side];
+
+ other_node = portal->nodes[!side];
+ RemovePortalFromNodes(portal);
+
+ // cut the portal into two portals, one on each side of the node plane
+ Winding_Divide(portal->winding, plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, &frontwinding, &backwinding);
+
+ if (!frontwinding)
+ {
+ if (side == 0)
+ AddPortalToNodes(portal, back, other_node);
+ else
+ AddPortalToNodes(portal, other_node, back);
+ continue;
+ }
+ if (!backwinding)
+ {
+ if (side == 0)
+ AddPortalToNodes(portal, front, other_node);
+ else
+ AddPortalToNodes(portal, other_node, front);
+ continue;
+ }
+
+ // the winding is split
+ splitportal = AllocPortal();
+ temp = splitportal->chain;
+ *splitportal = *portal;
+ splitportal->chain = temp;
+ splitportal->winding = backwinding;
+ Winding_Free(portal->winding);
+ portal->winding = frontwinding;
+
+ if (side == 0)
+ {
+ AddPortalToNodes(portal, front, other_node);
+ AddPortalToNodes(splitportal, back, other_node);
+ }
+ else
+ {
+ AddPortalToNodes(portal, other_node, front);
+ AddPortalToNodes(splitportal, other_node, back);
+ }
+ }
+
+ Mod_Q1BSP_RecursiveNodePortals(front);
+ Mod_Q1BSP_RecursiveNodePortals(back);
+}
+
+static void Mod_Q1BSP_MakePortals(void)
+{
+ portalchain = NULL;
+ Mod_Q1BSP_RecursiveNodePortals(loadmodel->brushq1.nodes);
+ Mod_Q1BSP_FinalizePortals();
+}
+
+static void Mod_Q1BSP_BuildSurfaceNeighbors(msurface_t *surfaces, int numsurfaces, mempool_t *mempool)
+{
+#if 0
+ int surfnum, vertnum, vertnum2, snum, vnum, vnum2;
+ msurface_t *surf, *s;
+ float *v0, *v1, *v2, *v3;
+ for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
+ surf->neighborsurfaces = Mem_Alloc(mempool, surf->poly_numverts * sizeof(msurface_t *));
+ for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
+ {
+ for (vertnum = surf->poly_numverts - 1, vertnum2 = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = surf->poly_verts;vertnum2 < surf->poly_numverts;vertnum = vertnum2, vertnum2++, v0 = v1, v1 += 3)
{
- if (loadmodel->ishlbsp)
+ if (surf->neighborsurfaces[vertnum])
+ continue;
+ surf->neighborsurfaces[vertnum] = NULL;
+ for (s = surfaces, snum = 0;snum < numsurfaces;s++, snum++)
{
- j = 0;
- for (i = 0;i < 4096;i++)
- if (value[i] != ';' && value[i] != '\\' && value[i] != '/' && value[i] != ':')
+ if (s->poly_mins[0] > (surf->poly_maxs[0] + 1) || s->poly_maxs[0] < (surf->poly_mins[0] - 1)
+ || s->poly_mins[1] > (surf->poly_maxs[1] + 1) || s->poly_maxs[1] < (surf->poly_mins[1] - 1)
+ || s->poly_mins[2] > (surf->poly_maxs[2] + 1) || s->poly_maxs[2] < (surf->poly_mins[2] - 1)
+ || s == surf)
+ continue;
+ for (vnum = 0;vnum < s->poly_numverts;vnum++)
+ if (s->neighborsurfaces[vnum] == surf)
break;
- if (value[i])
+ if (vnum < s->poly_numverts)
+ continue;
+ for (vnum = s->poly_numverts - 1, vnum2 = 0, v2 = s->poly_verts + (s->poly_numverts - 1) * 3, v3 = s->poly_verts;vnum2 < s->poly_numverts;vnum = vnum2, vnum2++, v2 = v3, v3 += 3)
{
- for (;i < 4096;i++)
+ if (s->neighborsurfaces[vnum] == NULL
+ && ((v0[0] == v2[0] && v0[1] == v2[1] && v0[2] == v2[2] && v1[0] == v3[0] && v1[1] == v3[1] && v1[2] == v3[2])
+ || (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2] && v0[0] == v3[0] && v0[1] == v3[1] && v0[2] == v3[2])))
{
- // ignore path - the \\ check is for HalfLife... stupid windoze 'programmers'...
- if (value[i] == '\\' || value[i] == '/' || value[i] == ':')
- j = i+1;
- else if (value[i] == ';' || value[i] == 0)
- {
- k = value[i];
- value[i] = 0;
- strcpy(wadname, "textures/");
- strcat(wadname, &value[j]);
- W_LoadTextureWadFile (wadname, false);
- j = i+1;
- if (!k)
- break;
- }
+ surf->neighborsurfaces[vertnum] = s;
+ s->neighborsurfaces[vnum] = surf;
+ break;
}
}
+ if (vnum < s->poly_numverts)
+ break;
}
}
}
+#endif
+}
+
+static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
+{
+ int i, j, stylecounts[256], totalcount, remapstyles[256];
+ msurface_t *surf;
+ memset(stylecounts, 0, sizeof(stylecounts));
+ for (i = 0;i < model->nummodelsurfaces;i++)
+ {
+ surf = model->brushq1.surfaces + model->firstmodelsurface + i;
+ for (j = 0;j < MAXLIGHTMAPS;j++)
+ stylecounts[surf->styles[j]]++;
+ }
+ totalcount = 0;
+ model->brushq1.light_styles = 0;
+ for (i = 0;i < 255;i++)
+ {
+ if (stylecounts[i])
+ {
+ remapstyles[i] = model->brushq1.light_styles++;
+ totalcount += stylecounts[i] + 1;
+ }
+ }
+ if (!totalcount)
+ return;
+ model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
+ model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
+ model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
+ model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
+ model->brushq1.light_styles = 0;
+ for (i = 0;i < 255;i++)
+ if (stylecounts[i])
+ model->brushq1.light_style[model->brushq1.light_styles++] = i;
+ j = 0;
+ for (i = 0;i < model->brushq1.light_styles;i++)
+ {
+ model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+ j += stylecounts[model->brushq1.light_style[i]] + 1;
+ }
+ for (i = 0;i < model->nummodelsurfaces;i++)
+ {
+ surf = model->brushq1.surfaces + model->firstmodelsurface + i;
+ for (j = 0;j < MAXLIGHTMAPS;j++)
+ if (surf->styles[j] != 255)
+ *model->brushq1.light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
+ }
+ j = 0;
+ for (i = 0;i < model->brushq1.light_styles;i++)
+ {
+ *model->brushq1.light_styleupdatechains[i] = NULL;
+ model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+ j += stylecounts[model->brushq1.light_style[i]] + 1;
+ }
+}
+
+static void Mod_Q1BSP_BuildPVSTextureChains(model_t *model)
+{
+ int i, j;
+ for (i = 0;i < model->brushq1.numtextures;i++)
+ model->brushq1.pvstexturechainslength[i] = 0;
+ for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
+ {
+ if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
+ {
+ model->brushq1.pvssurflist[model->brushq1.pvssurflistlength++] = j;
+ model->brushq1.pvstexturechainslength[model->brushq1.surfaces[j].texinfo->texture->number]++;
+ }
+ }
+ for (i = 0, j = 0;i < model->brushq1.numtextures;i++)
+ {
+ if (model->brushq1.pvstexturechainslength[i])
+ {
+ model->brushq1.pvstexturechains[i] = model->brushq1.pvstexturechainsbuffer + j;
+ j += model->brushq1.pvstexturechainslength[i] + 1;
+ }
+ else
+ model->brushq1.pvstexturechains[i] = NULL;
+ }
+ for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
+ if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
+ *model->brushq1.pvstexturechains[model->brushq1.surfaces[j].texinfo->texture->number]++ = model->brushq1.surfaces + j;
+ for (i = 0;i < model->brushq1.numtextures;i++)
+ {
+ if (model->brushq1.pvstexturechainslength[i])
+ {
+ *model->brushq1.pvstexturechains[i] = NULL;
+ model->brushq1.pvstexturechains[i] -= model->brushq1.pvstexturechainslength[i];
+ }
+ }
+}
+
+//Returns PVS data for a given point
+//(note: can return NULL)
+static qbyte *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
+{
+ mnode_t *node;
+ Mod_CheckLoaded(model);
+ node = model->brushq1.nodes;
+ while (node->plane)
+ node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
+ if (((mleaf_t *)node)->clusterindex >= 0)
+ return model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
+ else
+ return NULL;
+}
+
+static void Mod_Q1BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, mnode_t *node)
+{
+ while (node->plane)
+ {
+ float d = PlaneDiff(org, node->plane);
+ if (d > radius)
+ node = node->children[0];
+ else if (d < -radius)
+ node = node->children[1];
+ else
+ {
+ // go down both sides
+ Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
+ node = node->children[1];
+ }
+ }
+ // if this leaf is in a cluster, accumulate the pvs bits
+ if (((mleaf_t *)node)->clusterindex >= 0)
+ {
+ int i;
+ qbyte *pvs = model->brush.data_pvsclusters + ((mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
+ for (i = 0;i < pvsbytes;i++)
+ pvsbuffer[i] |= pvs[i];
+ }
}
-/*
-=================
-Mod_LoadEntities
-=================
-*/
-static void Mod_LoadEntities (lump_t *l)
+//Calculates a PVS that is the inclusive or of all leafs within radius pixels
+//of the given point.
+static int Mod_Q1BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
{
- loadmodel->entities = NULL;
- if (!l->filelen)
- return;
- loadmodel->entities = Mem_Alloc(loadmodel->mempool, l->filelen);
- memcpy (loadmodel->entities, mod_base + l->fileofs, l->filelen);
- if (loadmodel->ishlbsp)
- Mod_ParseWadsFromEntityLump(loadmodel->entities);
+ int bytes = ((model->brushq1.num_leafs - 1) + 7) >> 3;
+ bytes = min(bytes, pvsbufferlength);
+ if (r_novis.integer || !Mod_Q1BSP_GetPVS(model, org))
+ {
+ memset(pvsbuffer, 0xFF, bytes);
+ return bytes;
+ }
+ memset(pvsbuffer, 0, bytes);
+ Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brushq1.nodes);
+ return bytes;
}
-
-/*
-=================
-Mod_LoadVertexes
-=================
-*/
-static void Mod_LoadVertexes (lump_t *l)
+static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, const vec3_t inmaxs, vec3_t outmins, vec3_t outmaxs)
{
- dvertex_t *in;
- mvertex_t *out;
- int i, count;
-
- in = (void *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+ vec3_t size;
+ const hull_t *hull;
- loadmodel->vertexes = out;
- loadmodel->numvertexes = count;
-
- for ( i=0 ; i<count ; i++, in++, out++)
+ VectorSubtract(inmaxs, inmins, size);
+ if (cmodel->brush.ishlbsp)
+ {
+ if (size[0] < 3)
+ hull = &cmodel->brushq1.hulls[0]; // 0x0x0
+ else if (size[0] <= 32)
+ {
+ if (size[2] < 54) // pick the nearest of 36 or 72
+ hull = &cmodel->brushq1.hulls[3]; // 32x32x36
+ else
+ hull = &cmodel->brushq1.hulls[1]; // 32x32x72
+ }
+ else
+ hull = &cmodel->brushq1.hulls[2]; // 64x64x64
+ }
+ else
{
- out->position[0] = LittleFloat (in->point[0]);
- out->position[1] = LittleFloat (in->point[1]);
- out->position[2] = LittleFloat (in->point[2]);
+ if (size[0] < 3)
+ hull = &cmodel->brushq1.hulls[0]; // 0x0x0
+ else if (size[0] <= 32)
+ hull = &cmodel->brushq1.hulls[1]; // 32x32x56
+ else
+ hull = &cmodel->brushq1.hulls[2]; // 64x64x88
}
+ VectorCopy(inmins, outmins);
+ VectorAdd(inmins, hull->clip_size, outmaxs);
}
/*
-=================
-Mod_LoadSubmodels
-=================
-*/
-static void Mod_LoadSubmodels (lump_t *l)
+void Mod_Q1BSP_RecursiveGetVisible(mnode_t *node, model_t *model, const vec3_t point, const vec3_t mins, const vec3_t maxs, int maxleafs, mleaf_t *leaflist, int *numleafs, int maxsurfaces, msurface_t *surfacelist, int *numsurfaces, const qbyte *pvs)
{
- dmodel_t *in;
- dmodel_t *out;
- int i, j, count;
-
- in = (void *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
-
- loadmodel->submodels = out;
- loadmodel->numsubmodels = count;
-
- for ( i=0 ; i<count ; i++, in++, out++)
+ mleaf_t *leaf;
+ for (;;)
{
- for (j=0 ; j<3 ; j++)
+ if (!BoxesOverlap(node->mins, node->maxs, mins, maxs))
+ return;
+ if (!node->plane)
+ break;
+ Mod_Q1BSP_RecursiveGetVisible(node->children[0], model, point, mins, maxs, maxleafs, leaflist, numleafs, maxsurfaces, surfacelist, numsurfaces, pvs);
+ node = node->children[1];
+ }
+ leaf = (mleaf_t *)node;
+ if ((pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
+ {
+ int marksurfacenum;
+ msurface_t *surf;
+ if (maxleafs && *numleafs < maxleafs)
+ leaflist[(*numleafs)++] = leaf;
+ if (maxsurfaces)
{
- // spread the mins / maxs by a pixel
- out->mins[j] = LittleFloat (in->mins[j]) - 1;
- out->maxs[j] = LittleFloat (in->maxs[j]) + 1;
- out->origin[j] = LittleFloat (in->origin[j]);
+ for (marksurfacenum = 0;marksurfacenum < leaf->nummarksurfaces;marksurfacenum++)
+ {
+ surf = model->brushq1.surfaces + leaf->firstmarksurface[marksurfacenum];
+ if (surf->shadowmark != shadowmarkcount)
+ {
+ surf->shadowmark = shadowmarkcount;
+ if (BoxesOverlap(mins, maxs, surf->poly_mins, surf->poly_maxs) && ((surf->flags & SURF_PLANEBACK) ? PlaneDiff(point, surf->plane) < 0 : PlaneDiff(point, surf->plane) > 0) && *numsurfaces < maxsurfaces)
+ surfacelist[(*numsurfaces)++] = surf;
+ }
+ }
}
- for (j=0 ; j<MAX_MAP_HULLS ; j++)
- out->headnode[j] = LittleLong (in->headnode[j]);
- out->visleafs = LittleLong (in->visleafs);
- out->firstface = LittleLong (in->firstface);
- out->numfaces = LittleLong (in->numfaces);
}
}
-/*
-=================
-Mod_LoadEdges
-=================
+void Mod_Q1BSP_GetVisible(model_t *model, const vec3_t point, const vec3_t mins, const vec3_t maxs, int maxleafs, mleaf_t *leaflist, int *numleafs, int maxsurfaces, msurface_t *surfacelist, int *numsurfaces)
+{
+ // FIXME: support portals
+ if (maxsurfaces)
+ *numsurfaces = 0;
+ if (maxleafs)
+ *numleafs = 0;
+ pvs = ent->model->brush.GetPVS(ent->model, relativelightorigin);
+ Mod_Q1BSP_RecursiveGetVisible(ent->model->brushq1.nodes + ent->model->brushq1.firstclipnode, model, point, mins, maxs, maxleafs, leaflist, numleafs, maxsurfaces, surfacelist, numsurfaces);
+}
*/
-static void Mod_LoadEdges (lump_t *l)
+
+extern void R_Q1BSP_DrawSky(entity_render_t *ent);
+extern void R_Q1BSP_Draw(entity_render_t *ent);
+extern void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outclusterlist, qbyte *outclusterpvs, int *outnumclusterspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer);
+extern void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
+extern void R_Q1BSP_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, int numsurfaces, const int *surfacelist);
+void Mod_Q1BSP_Load(model_t *mod, void *buffer)
{
- dedge_t *in;
- medge_t *out;
- int i, count;
+ int i, j, k;
+ dheader_t *header;
+ dmodel_t *bm;
+ mempool_t *mainmempool;
+ float dist, modelyawradius, modelradius, *vec;
+ msurface_t *surf;
+ int numshadowmeshtriangles;
- in = (void *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+ mod->type = mod_brush;
- loadmodel->edges = out;
- loadmodel->numedges = count;
+ header = (dheader_t *)buffer;
- for ( i=0 ; i<count ; i++, in++, out++)
+ i = LittleLong(header->version);
+ if (i != BSPVERSION && i != 30)
+ Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
+ mod->brush.ishlbsp = i == 30;
+
+ mod->soundfromcenter = true;
+ mod->TraceBox = Mod_Q1BSP_TraceBox;
+ mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
+ mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
+ mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
+ mod->brush.FatPVS = Mod_Q1BSP_FatPVS;
+ mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
+ mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
+ mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
+ mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
+ mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
+ mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
+ mod->brushq1.BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
+
+ if (loadmodel->isworldmodel)
{
- out->v[0] = (unsigned short)LittleShort(in->v[0]);
- out->v[1] = (unsigned short)LittleShort(in->v[1]);
+ Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+ // until we get a texture for it...
+ R_ResetQuakeSky();
}
-}
-/*
-=================
-Mod_LoadTexinfo
-=================
-*/
-static void Mod_LoadTexinfo (lump_t *l)
-{
- texinfo_t *in;
- mtexinfo_t *out;
- int i, j, k, count, miptex;
+// swap all the lumps
+ mod_base = (qbyte *)header;
- in = (void *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+ for (i = 0;i < (int) sizeof(dheader_t) / 4;i++)
+ ((int *)header)[i] = LittleLong(((int *)header)[i]);
- loadmodel->texinfo = out;
- loadmodel->numtexinfo = count;
+// load into heap
- for (i = 0;i < count;i++, in++, out++)
+ // store which lightmap format to use
+ mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
+
+ Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
+ Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
+ Mod_Q1BSP_LoadEdges(&header->lumps[LUMP_EDGES]);
+ Mod_Q1BSP_LoadSurfedges(&header->lumps[LUMP_SURFEDGES]);
+ Mod_Q1BSP_LoadTextures(&header->lumps[LUMP_TEXTURES]);
+ Mod_Q1BSP_LoadLighting(&header->lumps[LUMP_LIGHTING]);
+ Mod_Q1BSP_LoadPlanes(&header->lumps[LUMP_PLANES]);
+ Mod_Q1BSP_LoadTexinfo(&header->lumps[LUMP_TEXINFO]);
+ Mod_Q1BSP_LoadFaces(&header->lumps[LUMP_FACES]);
+ Mod_Q1BSP_LoadMarksurfaces(&header->lumps[LUMP_MARKSURFACES]);
+ Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
+ // load submodels before leafs because they contain the number of vis leafs
+ Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
+ Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
+ Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
+ Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
+
+ if (!mod->brushq1.lightdata)
+ mod->brush.LightPoint = NULL;
+
+ if (mod->brushq1.data_compressedpvs)
+ Mem_Free(mod->brushq1.data_compressedpvs);
+ mod->brushq1.data_compressedpvs = NULL;
+ mod->brushq1.num_compressedpvs = 0;
+
+ Mod_Q1BSP_MakeHull0();
+ Mod_Q1BSP_MakePortals();
+
+ mod->numframes = 2; // regular and alternate animation
+
+ mainmempool = mod->mempool;
+
+ Mod_Q1BSP_LoadLightList();
+ loadmodel = loadmodel;
+
+ // make a single combined shadow mesh to allow optimized shadow volume creation
+ numshadowmeshtriangles = 0;
+ for (j = 0, surf = loadmodel->brushq1.surfaces;j < loadmodel->brushq1.numsurfaces;j++, surf++)
{
- for (k = 0;k < 2;k++)
- for (j = 0;j < 4;j++)
- out->vecs[k][j] = LittleFloat (in->vecs[k][j]);
+ surf->num_firstshadowmeshtriangle = numshadowmeshtriangles;
+ numshadowmeshtriangles += surf->mesh.num_triangles;
+ }
+ loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
+ for (j = 0, surf = loadmodel->brushq1.surfaces;j < loadmodel->brushq1.numsurfaces;j++, surf++)
+ Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, surf->mesh.data_vertex3f, NULL, NULL, NULL, NULL, surf->mesh.num_triangles, surf->mesh.data_element3i);
+ loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
+ Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
+
+ // LordHavoc: to clear the fog around the original quake submodel code, I
+ // will explain:
+ // first of all, some background info on the submodels:
+ // model 0 is the map model (the world, named maps/e1m1.bsp for example)
+ // model 1 and higher are submodels (doors and the like, named *1, *2, etc)
+ // now the weird for loop itself:
+ // the loop functions in an odd way, on each iteration it sets up the
+ // current 'mod' model (which despite the confusing code IS the model of
+ // the number i), at the end of the loop it duplicates the model to become
+ // the next submodel, and loops back to set up the new submodel.
+
+ // LordHavoc: now the explanation of my sane way (which works identically):
+ // set up the world model, then on each submodel copy from the world model
+ // and set up the submodel with the respective model info.
+ for (i = 0;i < mod->brush.numsubmodels;i++)
+ {
+ // LordHavoc: this code was originally at the end of this loop, but
+ // has been transformed to something more readable at the start here.
- miptex = LittleLong (in->miptex);
- out->flags = LittleLong (in->flags);
+ // LordHavoc: only register submodels if it is the world
+ // (prevents external bsp models from replacing world submodels with
+ // their own)
+ if (loadmodel->isworldmodel && i)
+ {
+ char name[10];
+ // duplicate the basic information
+ sprintf(name, "*%i", i);
+ mod = Mod_FindName(name);
+ // copy the base model to this one
+ *mod = *loadmodel;
+ // rename the clone back to its proper name
+ strcpy(mod->name, name);
+ // textures and memory belong to the main model
+ mod->texturepool = NULL;
+ mod->mempool = NULL;
+ }
- out->texture = NULL;
- if (loadmodel->textures)
+ bm = &mod->brushq1.submodels[i];
+
+ mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
+ for (j=1 ; j<MAX_MAP_HULLS ; j++)
{
- if ((unsigned int) miptex >= (unsigned int) loadmodel->numtextures)
- Con_Printf ("error in model \"%s\": invalid miptex index %i (of %i)\n", loadmodel->name, miptex, loadmodel->numtextures);
- else
- out->texture = loadmodel->textures + miptex;
+ mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
+ mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
}
- if (out->flags & TEX_SPECIAL)
+
+ mod->firstmodelsurface = bm->firstface;
+ mod->nummodelsurfaces = bm->numfaces;
+
+ // make the model surface list (used by shadowing/lighting)
+ mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
+ for (j = 0;j < mod->nummodelsurfaces;j++)
+ mod->surfacelist[j] = mod->firstmodelsurface + j;
+
+ // this gets altered below if sky is used
+ mod->DrawSky = NULL;
+ mod->Draw = R_Q1BSP_Draw;
+ mod->GetLightInfo = R_Q1BSP_GetLightInfo;
+ mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
+ mod->DrawLight = R_Q1BSP_DrawLight;
+ if (i != 0)
{
- // if texture chosen is NULL or the shader needs a lightmap,
- // force to notexture water shader
- if (out->texture == NULL || out->texture->shader->flags & SHADERFLAGS_NEEDLIGHTMAP)
- out->texture = loadmodel->textures + (loadmodel->numtextures - 1);
+ mod->brush.GetPVS = NULL;
+ mod->brush.FatPVS = NULL;
+ mod->brush.BoxTouchingPVS = NULL;
+ mod->brush.LightPoint = NULL;
+ mod->brush.AmbientSoundLevelsForPoint = NULL;
}
- else
+ mod->brushq1.pvstexturechains = Mem_Alloc(loadmodel->mempool, mod->brushq1.numtextures * sizeof(msurface_t **));
+ mod->brushq1.pvstexturechainsbuffer = Mem_Alloc(loadmodel->mempool,(mod->nummodelsurfaces + mod->brushq1.numtextures) * sizeof(msurface_t *));
+ mod->brushq1.pvstexturechainslength = Mem_Alloc(loadmodel->mempool, mod->brushq1.numtextures * sizeof(int));
+ Mod_Q1BSP_BuildPVSTextureChains(mod);
+ Mod_Q1BSP_BuildLightmapUpdateChains(loadmodel->mempool, mod);
+ if (mod->nummodelsurfaces)
{
- // if texture chosen is NULL, force to notexture
- if (out->texture == NULL)
- out->texture = loadmodel->textures + (loadmodel->numtextures - 2);
+ // LordHavoc: calculate bmodel bounding box rather than trusting what it says
+ mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
+ mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
+ modelyawradius = 0;
+ modelradius = 0;
+ for (j = 0, surf = &mod->brushq1.surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surf++)
+ {
+ // we only need to have a drawsky function if it is used(usually only on world model)
+ if (surf->texinfo->texture->flags & SURF_DRAWSKY)
+ mod->DrawSky = R_Q1BSP_DrawSky;
+ // LordHavoc: submodels always clip, even if water
+ if (mod->brush.numsubmodels - 1)
+ surf->flags |= SURF_SOLIDCLIP;
+ // calculate bounding shapes
+ for (k = 0, vec = surf->mesh.data_vertex3f;k < surf->mesh.num_vertices;k++, vec += 3)
+ {
+ if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
+ if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
+ if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
+ if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
+ if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
+ if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
+ dist = vec[0]*vec[0]+vec[1]*vec[1];
+ if (modelyawradius < dist)
+ modelyawradius = dist;
+ dist += vec[2]*vec[2];
+ if (modelradius < dist)
+ modelradius = dist;
+ }
+ }
+ modelyawradius = sqrt(modelyawradius);
+ modelradius = sqrt(modelradius);
+ mod->yawmins[0] = mod->yawmins[1] = - (mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
+ mod->yawmins[2] = mod->normalmins[2];
+ mod->yawmaxs[2] = mod->normalmaxs[2];
+ mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
+ mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
+ mod->radius = modelradius;
+ mod->radius2 = modelradius * modelradius;
}
- }
-}
-
-void BoundPoly (int numverts, float *verts, vec3_t mins, vec3_t maxs)
-{
- int i, j;
- float *v;
-
- mins[0] = mins[1] = mins[2] = 9999;
- maxs[0] = maxs[1] = maxs[2] = -9999;
- v = verts;
- for (i = 0;i < numverts;i++)
- {
- for (j = 0;j < 3;j++, v++)
+ else
{
- if (*v < mins[j])
- mins[j] = *v;
- if (*v > maxs[j])
- maxs[j] = *v;
+ // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
+ Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadmodel->name);
}
+ Mod_Q1BSP_BuildSurfaceNeighbors(mod->brushq1.surfaces + mod->firstmodelsurface, mod->nummodelsurfaces, loadmodel->mempool);
+
+ mod->brushq1.num_visleafs = bm->visleafs;
}
-}
-#if 0
-#define MAX_SUBDIVPOLYTRIANGLES 4096
-#define MAX_SUBDIVPOLYVERTS (MAX_SUBDIVPOLYTRIANGLES * 3)
+ //Mod_Q1BSP_ProcessLightList();
-static int subdivpolyverts, subdivpolytriangles;
-static int subdivpolyindex[MAX_SUBDIVPOLYTRIANGLES][3];
-static float subdivpolyvert[MAX_SUBDIVPOLYVERTS][3];
+ if (developer.integer)
+ Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->brushq1.numsurfaces, loadmodel->brushq1.numnodes, loadmodel->brushq1.num_leafs, loadmodel->brushq1.num_visleafs, loadmodel->brushq1.numportals);
+}
-static int subdivpolylookupvert(vec3_t v)
+static void Mod_Q2BSP_LoadEntities(lump_t *l)
{
- int i;
- for (i = 0;i < subdivpolyverts;i++)
- if (subdivpolyvert[i][0] == v[0]
- && subdivpolyvert[i][1] == v[1]
- && subdivpolyvert[i][2] == v[2])
- return i;
- if (subdivpolyverts >= MAX_SUBDIVPOLYVERTS)
- Host_Error("SubDividePolygon: ran out of vertices in buffer, please increase your r_subdivide_size");
- VectorCopy(v, subdivpolyvert[subdivpolyverts]);
- return subdivpolyverts++;
}
-static void SubdividePolygon (int numverts, float *verts)
+static void Mod_Q2BSP_LoadPlanes(lump_t *l)
{
- int i, i1, i2, i3, f, b, c, p;
- vec3_t mins, maxs, front[256], back[256];
- float m, *pv, *cv, dist[256], frac;
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- if (numverts > 250)
- Host_Error ("SubdividePolygon: ran out of verts in buffer");
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- BoundPoly (numverts, verts, mins, maxs);
+ loadmodel-> = out;
+ loadmodel->num = count;
- for (i = 0;i < 3;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- m = (mins[i] + maxs[i]) * 0.5;
- m = r_subdivide_size.value * floor (m/r_subdivide_size.value + 0.5);
- if (maxs[i] - m < 8)
- continue;
- if (m - mins[i] < 8)
- continue;
+ }
+*/
+}
- // cut it
- for (cv = verts, c = 0;c < numverts;c++, cv += 3)
- dist[c] = cv[i] - m;
+static void Mod_Q2BSP_LoadVertices(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- f = b = 0;
- for (p = numverts - 1, c = 0, pv = verts + p * 3, cv = verts;c < numverts;p = c, c++, pv = cv, cv += 3)
- {
- if (dist[p] >= 0)
- {
- VectorCopy (pv, front[f]);
- f++;
- }
- if (dist[p] <= 0)
- {
- VectorCopy (pv, back[b]);
- b++;
- }
- if (dist[p] == 0 || dist[c] == 0)
- continue;
- if ( (dist[p] > 0) != (dist[c] > 0) )
- {
- // clip point
- frac = dist[p] / (dist[p] - dist[c]);
- front[f][0] = back[b][0] = pv[0] + frac * (cv[0] - pv[0]);
- front[f][1] = back[b][1] = pv[1] + frac * (cv[1] - pv[1]);
- front[f][2] = back[b][2] = pv[2] + frac * (cv[2] - pv[2]);
- f++;
- b++;
- }
- }
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadVertices: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- SubdividePolygon (f, front[0]);
- SubdividePolygon (b, back[0]);
- return;
- }
+ loadmodel-> = out;
+ loadmodel->num = count;
- i1 = subdivpolylookupvert(verts);
- i2 = subdivpolylookupvert(verts + 3);
- for (i = 2;i < numverts;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- if (subdivpolytriangles >= MAX_SUBDIVPOLYTRIANGLES)
- {
- Con_Printf("SubdividePolygon: ran out of triangles in buffer, please increase your r_subdivide_size\n");
- return;
- }
+ }
+*/
+}
+
+static void Mod_Q2BSP_LoadVisibility(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadVisibility: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- i3 = subdivpolylookupvert(verts + i * 3);
- subdivpolyindex[subdivpolytriangles][0] = i1;
- subdivpolyindex[subdivpolytriangles][1] = i2;
- subdivpolyindex[subdivpolytriangles][2] = i3;
- i2 = i3;
- subdivpolytriangles++;
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
}
+*/
}
+static void Mod_Q2BSP_LoadNodes(lump_t *l)
+{
/*
-================
-Mod_GenerateWarpMesh
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
-Breaks a polygon up along axial 64 unit
-boundaries so that turbulent and sky warps
-can be done reasonably.
-================
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
*/
-void Mod_GenerateWarpMesh (msurface_t *surf)
-{
- int i, j;
- surfvertex_t *v;
- surfmesh_t *mesh;
+}
- subdivpolytriangles = 0;
- subdivpolyverts = 0;
- SubdividePolygon (surf->poly_numverts, surf->poly_verts);
- if (subdivpolytriangles < 1)
- Host_Error("Mod_GenerateWarpMesh: no triangles?\n");
+static void Mod_Q2BSP_LoadTexInfo(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- surf->mesh = mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + subdivpolytriangles * sizeof(int[3]) + subdivpolyverts * sizeof(surfvertex_t));
- mesh->numverts = subdivpolyverts;
- mesh->numtriangles = subdivpolytriangles;
- mesh->vertex = (surfvertex_t *)(mesh + 1);
- mesh->index = (int *)(mesh->vertex + mesh->numverts);
- memset(mesh->vertex, 0, mesh->numverts * sizeof(surfvertex_t));
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadTexInfo: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- for (i = 0;i < mesh->numtriangles;i++)
- for (j = 0;j < 3;j++)
- mesh->index[i*3+j] = subdivpolyindex[i][j];
+ loadmodel-> = out;
+ loadmodel->num = count;
- for (i = 0, v = mesh->vertex;i < subdivpolyverts;i++, v++)
+ for (i = 0;i < count;i++, in++, out++)
{
- VectorCopy(subdivpolyvert[i], v->v);
- v->st[0] = DotProduct (v->v, surf->texinfo->vecs[0]);
- v->st[1] = DotProduct (v->v, surf->texinfo->vecs[1]);
}
+*/
}
-#endif
-surfmesh_t *Mod_AllocSurfMesh(int numverts, int numtriangles)
+static void Mod_Q2BSP_LoadFaces(lump_t *l)
{
- surfmesh_t *mesh;
- mesh = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) + numtriangles * sizeof(int[6]) + numverts * (4 + 4 + 4 + 4 + 4 + 4 + 4 + 1) * sizeof(float));
- mesh->numverts = numverts;
- mesh->numtriangles = numtriangles;
- mesh->verts = (float *)(mesh + 1);
- mesh->str = mesh->verts + mesh->numverts * 4;
- mesh->uvw = mesh->str + mesh->numverts * 4;
- mesh->abc = mesh->uvw + mesh->numverts * 4;
- mesh->svectors = (float *)(mesh->abc + mesh->numverts * 4);
- mesh->tvectors = mesh->svectors + mesh->numverts * 4;
- mesh->normals = mesh->tvectors + mesh->numverts * 4;
- mesh->lightmapoffsets = (int *)(mesh->normals + mesh->numverts * 4);
- mesh->index = mesh->lightmapoffsets + mesh->numverts;
- mesh->triangleneighbors = mesh->index + mesh->numtriangles * 3;
- return mesh;
-}
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
-void Mod_GenerateWallMesh (msurface_t *surf, int vertexonly)
-{
- int i, iu, iv, *index, smax, tmax;
- float *in, s, t, u, v, ubase, vbase, uscale, vscale, normal[3];
- surfmesh_t *mesh;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- smax = surf->extents[0] >> 4;
- tmax = surf->extents[1] >> 4;
+ loadmodel-> = out;
+ loadmodel->num = count;
- if (vertexonly)
- {
- surf->lightmaptexturestride = 0;
- surf->lightmaptexture = NULL;
- uscale = 0;
- vscale = 0;
- ubase = 0;
- vbase = 0;
- }
- else
+ for (i = 0;i < count;i++, in++, out++)
{
- surf->flags |= SURF_LIGHTMAP;
- if (r_miplightmaps.integer)
- {
- surf->lightmaptexturestride = (surf->extents[0]>>4)+1;
- surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_PRECACHE, NULL);
- }
- else
- {
- surf->lightmaptexturestride = R_CompatibleFragmentWidth((surf->extents[0]>>4)+1, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
- surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_PRECACHE, NULL);
- }
- R_FragmentLocation(surf->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
- uscale = (uscale - ubase) * 16.0 / ((surf->extents[0] & ~15) + 16);
- vscale = (vscale - vbase) * 16.0 / ((surf->extents[1] & ~15) + 16);
}
+*/
+}
- surf->mesh = mesh = Mod_AllocSurfMesh(surf->poly_numverts, surf->poly_numverts - 2);
+static void Mod_Q2BSP_LoadLighting(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- index = mesh->index;
- for (i = 0;i < mesh->numtriangles;i++)
- {
- *index++ = 0;
- *index++ = i + 1;
- *index++ = i + 2;
- }
- Mod_BuildTriangleNeighbors(mesh->triangleneighbors, mesh->index, mesh->numtriangles);
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLighting: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- VectorCopy(surf->plane->normal, normal);
- if (surf->flags & SURF_PLANEBACK)
- VectorNegate(normal, normal);
- for (i = 0, in = surf->poly_verts;i < mesh->numverts;i++, in += 3)
- {
- s = DotProduct (in, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3];
- t = DotProduct (in, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3];
- u = (s + 8 - surf->texturemins[0]) * (1.0 / 16.0);
- v = (t + 8 - surf->texturemins[1]) * (1.0 / 16.0);
- // LordHavoc: calc lightmap data offset for vertex lighting to use
- iu = (int) u;
- iv = (int) v;
- iu = bound(0, iu, smax);
- iv = bound(0, iv, tmax);
- u = u * uscale + ubase;
- v = v * vscale + vbase;
+ loadmodel-> = out;
+ loadmodel->num = count;
- mesh->verts[i * 4 + 0] = in[0];
- mesh->verts[i * 4 + 1] = in[1];
- mesh->verts[i * 4 + 2] = in[2];
- mesh->str[i * 4 + 0] = s / surf->texinfo->texture->width;
- mesh->str[i * 4 + 1] = t / surf->texinfo->texture->height;
- mesh->uvw[i * 4 + 0] = u;
- mesh->uvw[i * 4 + 1] = v;
- mesh->abc[i * 4 + 0] = s * (1.0f / 16.0f);
- mesh->abc[i * 4 + 1] = t * (1.0f / 16.0f);
- mesh->lightmapoffsets[i] = ((iv * (smax+1) + iu) * 3);
+ for (i = 0;i < count;i++, in++, out++)
+ {
}
- Mod_BuildTextureVectorsAndNormals(mesh->numverts, mesh->numtriangles, mesh->verts, mesh->str, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals);
+*/
}
-void Mod_GenerateVertexMesh (msurface_t *surf)
+static void Mod_Q2BSP_LoadLeafs(lump_t *l)
{
- int i, *index;
- float *in, s, t, normal[3];
- surfmesh_t *mesh;
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- surf->lightmaptexturestride = 0;
- surf->lightmaptexture = NULL;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- surf->mesh = mesh = Mod_AllocSurfMesh(surf->poly_numverts, surf->poly_numverts - 2);
+ loadmodel-> = out;
+ loadmodel->num = count;
- index = mesh->index;
- for (i = 0;i < mesh->numtriangles;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- *index++ = 0;
- *index++ = i + 1;
- *index++ = i + 2;
}
- Mod_BuildTriangleNeighbors(mesh->triangleneighbors, mesh->index, mesh->numtriangles);
+*/
+}
+
+static void Mod_Q2BSP_LoadLeafFaces(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
- VectorCopy(surf->plane->normal, normal);
- if (surf->flags & SURF_PLANEBACK)
- VectorNegate(normal, normal);
- for (i = 0, in = surf->poly_verts;i < mesh->numverts;i++, in += 3)
+ for (i = 0;i < count;i++, in++, out++)
{
- s = (DotProduct (in, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3]);
- t = (DotProduct (in, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3]);
- mesh->verts[i * 4 + 0] = in[0];
- mesh->verts[i * 4 + 1] = in[1];
- mesh->verts[i * 4 + 2] = in[2];
- mesh->str[i * 4 + 0] = s / surf->texinfo->texture->width;
- mesh->str[i * 4 + 1] = t / surf->texinfo->texture->height;
- mesh->uvw[i * 4 + 0] = 0;
- mesh->uvw[i * 4 + 1] = 0;
- mesh->abc[i * 4 + 0] = s * (1.0f / 16.0f);
- mesh->abc[i * 4 + 1] = t * (1.0f / 16.0f);
}
- Mod_BuildTextureVectorsAndNormals(mesh->numverts, mesh->numtriangles, mesh->verts, mesh->str, mesh->index, mesh->svectors, mesh->tvectors, mesh->normals);
+*/
}
-void Mod_GenerateSurfacePolygon (msurface_t *surf, int firstedge, int numedges)
+static void Mod_Q2BSP_LoadLeafBrushes(lump_t *l)
{
- int i, lindex, j;
- float *vec, *vert, mins[3], maxs[3], val, *v;
- mtexinfo_t *tex;
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- // convert edges back to a normal polygon
- surf->poly_numverts = numedges;
- vert = surf->poly_verts = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * numedges);
- for (i = 0;i < numedges;i++)
- {
- lindex = loadmodel->surfedges[firstedge + i];
- if (lindex > 0)
- vec = loadmodel->vertexes[loadmodel->edges[lindex].v[0]].position;
- else
- vec = loadmodel->vertexes[loadmodel->edges[-lindex].v[1]].position;
- VectorCopy (vec, vert);
- vert += 3;
- }
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- // calculate polygon bounding box and center
- vert = surf->poly_verts;
- VectorCopy(vert, mins);
- VectorCopy(vert, maxs);
- vert += 3;
- for (i = 1;i < surf->poly_numverts;i++, vert += 3)
- {
- if (mins[0] > vert[0]) mins[0] = vert[0];if (maxs[0] < vert[0]) maxs[0] = vert[0];
- if (mins[1] > vert[1]) mins[1] = vert[1];if (maxs[1] < vert[1]) maxs[1] = vert[1];
- if (mins[2] > vert[2]) mins[2] = vert[2];if (maxs[2] < vert[2]) maxs[2] = vert[2];
- }
- VectorCopy(mins, surf->poly_mins);
- VectorCopy(maxs, surf->poly_maxs);
- surf->poly_center[0] = (mins[0] + maxs[0]) * 0.5f;
- surf->poly_center[1] = (mins[1] + maxs[1]) * 0.5f;
- surf->poly_center[2] = (mins[2] + maxs[2]) * 0.5f;
+ loadmodel-> = out;
+ loadmodel->num = count;
- // generate surface extents information
- tex = surf->texinfo;
- mins[0] = maxs[0] = DotProduct(surf->poly_verts, tex->vecs[0]) + tex->vecs[0][3];
- mins[1] = maxs[1] = DotProduct(surf->poly_verts, tex->vecs[1]) + tex->vecs[1][3];
- for (i = 1, v = surf->poly_verts + 3;i < surf->poly_numverts;i++, v += 3)
- {
- for (j = 0;j < 2;j++)
- {
- val = DotProduct(v, tex->vecs[j]) + tex->vecs[j][3];
- if (mins[j] > val)
- mins[j] = val;
- if (maxs[j] < val)
- maxs[j] = val;
- }
- }
- for (i = 0;i < 2;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- surf->texturemins[i] = (int) floor(mins[i] / 16) * 16;
- surf->extents[i] = (int) ceil(maxs[i] / 16) * 16 - surf->texturemins[i];
}
+*/
}
-/*
-=================
-Mod_LoadFaces
-=================
-*/
-static void Mod_LoadFaces (lump_t *l)
+static void Mod_Q2BSP_LoadEdges(lump_t *l)
{
- dface_t *in;
- msurface_t *out;
- int i, count, surfnum, planenum, ssize, tsize, firstedge, numedges;
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
+ Host_Error("Mod_Q2BSP_LoadEdges: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->surfaces = out;
- loadmodel->numsurfaces = count;
- loadmodel->surfacevisframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
- loadmodel->surfacepvsframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
- loadmodel->pvssurflist = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+ loadmodel-> = out;
+ loadmodel->num = count;
- for (surfnum = 0;surfnum < count;surfnum++, in++, out++)
+ for (i = 0;i < count;i++, in++, out++)
{
- out->number = surfnum;
- // FIXME: validate edges, texinfo, etc?
- firstedge = LittleLong(in->firstedge);
- numedges = LittleShort(in->numedges);
- if ((unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->numsurfedges)
- Host_Error("Mod_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->numsurfedges);
-
- i = LittleShort (in->texinfo);
- if ((unsigned int) i >= (unsigned int) loadmodel->numtexinfo)
- Host_Error("Mod_LoadFaces: invalid texinfo index %i (model has %i texinfos)\n", i, loadmodel->numtexinfo);
- out->texinfo = loadmodel->texinfo + i;
- out->flags = out->texinfo->texture->flags;
-
- planenum = LittleShort(in->planenum);
- if ((unsigned int) planenum >= (unsigned int) loadmodel->numplanes)
- Host_Error("Mod_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->numplanes);
+ }
+*/
+}
- if (LittleShort(in->side))
- out->flags |= SURF_PLANEBACK;
+static void Mod_Q2BSP_LoadSurfEdges(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- out->plane = loadmodel->planes + planenum;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadSurfEdges: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- // clear lightmap (filled in later)
- out->lightmaptexture = NULL;
+ loadmodel-> = out;
+ loadmodel->num = count;
- // force lightmap upload on first time seeing the surface
- out->cached_dlight = true;
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
+*/
+}
- Mod_GenerateSurfacePolygon(out, firstedge, numedges);
+static void Mod_Q2BSP_LoadBrushes(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- ssize = (out->extents[0] >> 4) + 1;
- tsize = (out->extents[1] >> 4) + 1;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- // lighting info
- for (i = 0;i < MAXLIGHTMAPS;i++)
- out->styles[i] = in->styles[i];
- i = LittleLong(in->lightofs);
- if (i == -1)
- out->samples = NULL;
- else if (loadmodel->ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
- out->samples = loadmodel->lightdata + i;
- else // LordHavoc: white lighting (bsp version 29)
- out->samples = loadmodel->lightdata + (i * 3);
+ loadmodel-> = out;
+ loadmodel->num = count;
- if (out->texinfo->texture->shader == &Cshader_wall_lightmap)
- {
- if ((out->extents[0] >> 4) + 1 > (256) || (out->extents[1] >> 4) + 1 > (256))
- Host_Error ("Bad surface extents");
- Mod_GenerateWallMesh (out, false);
- // stainmap for permanent marks on walls
- out->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
- // clear to white
- memset(out->stainsamples, 255, ssize * tsize * 3);
- }
- else
- Mod_GenerateVertexMesh (out);
+ for (i = 0;i < count;i++, in++, out++)
+ {
}
+*/
}
+static void Mod_Q2BSP_LoadBrushSides(lump_t *l)
+{
/*
-=================
-Mod_SetParent
-=================
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
*/
-static void Mod_SetParent (mnode_t *node, mnode_t *parent)
-{
- node->parent = parent;
- if (node->contents < 0)
- return;
- Mod_SetParent (node->children[0], node);
- Mod_SetParent (node->children[1], node);
}
-/*
-=================
-Mod_LoadNodes
-=================
-*/
-static void Mod_LoadNodes (lump_t *l)
+static void Mod_Q2BSP_LoadAreas(lump_t *l)
{
- int i, j, count, p;
- dnode_t *in;
- mnode_t *out;
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
+ Host_Error("Mod_Q2BSP_LoadAreas: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->nodes = out;
- loadmodel->numnodes = count;
+ loadmodel-> = out;
+ loadmodel->num = count;
- for ( i=0 ; i<count ; i++, in++, out++)
+ for (i = 0;i < count;i++, in++, out++)
{
- for (j=0 ; j<3 ; j++)
- {
- out->mins[j] = LittleShort (in->mins[j]);
- out->maxs[j] = LittleShort (in->maxs[j]);
- }
+ }
+*/
+}
- p = LittleLong(in->planenum);
- out->plane = loadmodel->planes + p;
+static void Mod_Q2BSP_LoadAreaPortals(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
- out->firstsurface = LittleShort (in->firstface);
- out->numsurfaces = LittleShort (in->numfaces);
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadAreaPortals: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- for (j=0 ; j<2 ; j++)
- {
- p = LittleShort (in->children[j]);
- if (p >= 0)
- out->children[j] = loadmodel->nodes + p;
- else
- out->children[j] = (mnode_t *)(loadmodel->leafs + (-1 - p));
- }
+ loadmodel-> = out;
+ loadmodel->num = count;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
}
+*/
+}
+
+static void Mod_Q2BSP_LoadModels(lump_t *l)
+{
+/*
+ d_t *in;
+ m_t *out;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q2BSP_LoadModels: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- Mod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs
-}
+ loadmodel-> = out;
+ loadmodel->num = count;
-/*
-=================
-Mod_LoadLeafs
-=================
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ }
*/
-static void Mod_LoadLeafs (lump_t *l)
+}
+
+void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
{
- dleaf_t *in;
- mleaf_t *out;
- int i, j, count, p;
+ int i;
+ q2dheader_t *header;
- in = (void *)(mod_base + l->fileofs);
- if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+ Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
- loadmodel->leafs = out;
- loadmodel->numleafs = count;
+ mod->type = mod_brushq2;
- for ( i=0 ; i<count ; i++, in++, out++)
+ header = (q2dheader_t *)buffer;
+
+ i = LittleLong(header->version);
+ if (i != Q2BSPVERSION)
+ Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
+ mod->brush.ishlbsp = false;
+ if (loadmodel->isworldmodel)
{
- for (j=0 ; j<3 ; j++)
- {
- out->mins[j] = LittleShort (in->mins[j]);
- out->maxs[j] = LittleShort (in->maxs[j]);
- }
+ Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+ // until we get a texture for it...
+ R_ResetQuakeSky();
+ }
- p = LittleLong(in->contents);
- out->contents = p;
+ mod_base = (qbyte *)header;
- out->firstmarksurface = loadmodel->marksurfaces +
- LittleShort(in->firstmarksurface);
- out->nummarksurfaces = LittleShort(in->nummarksurfaces);
+ // swap all the lumps
+ for (i = 0;i < (int) sizeof(*header) / 4;i++)
+ ((int *)header)[i] = LittleLong(((int *)header)[i]);
- p = LittleLong(in->visofs);
- if (p == -1)
- out->compressed_vis = NULL;
- else
- out->compressed_vis = loadmodel->visdata + p;
+ // store which lightmap format to use
+ mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
+
+ Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
+ Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
+ Mod_Q2BSP_LoadVertices(&header->lumps[Q2LUMP_VERTEXES]);
+ Mod_Q2BSP_LoadVisibility(&header->lumps[Q2LUMP_VISIBILITY]);
+ Mod_Q2BSP_LoadNodes(&header->lumps[Q2LUMP_NODES]);
+ Mod_Q2BSP_LoadTexInfo(&header->lumps[Q2LUMP_TEXINFO]);
+ Mod_Q2BSP_LoadFaces(&header->lumps[Q2LUMP_FACES]);
+ Mod_Q2BSP_LoadLighting(&header->lumps[Q2LUMP_LIGHTING]);
+ Mod_Q2BSP_LoadLeafs(&header->lumps[Q2LUMP_LEAFS]);
+ Mod_Q2BSP_LoadLeafFaces(&header->lumps[Q2LUMP_LEAFFACES]);
+ Mod_Q2BSP_LoadLeafBrushes(&header->lumps[Q2LUMP_LEAFBRUSHES]);
+ Mod_Q2BSP_LoadEdges(&header->lumps[Q2LUMP_EDGES]);
+ Mod_Q2BSP_LoadSurfEdges(&header->lumps[Q2LUMP_SURFEDGES]);
+ Mod_Q2BSP_LoadBrushes(&header->lumps[Q2LUMP_BRUSHES]);
+ Mod_Q2BSP_LoadBrushSides(&header->lumps[Q2LUMP_BRUSHSIDES]);
+ Mod_Q2BSP_LoadAreas(&header->lumps[Q2LUMP_AREAS]);
+ Mod_Q2BSP_LoadAreaPortals(&header->lumps[Q2LUMP_AREAPORTALS]);
+ // LordHavoc: must go last because this makes the submodels
+ Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
+}
- for (j=0 ; j<4 ; j++)
- out->ambient_sound_level[j] = in->ambient_level[j];
+static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents);
+static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents);
- // FIXME: Insert caustics here
+static void Mod_Q3BSP_LoadEntities(lump_t *l)
+{
+ const char *data;
+ char key[128], value[4096];
+ float v[3];
+ loadmodel->brushq3.num_lightgrid_cellsize[0] = 64;
+ loadmodel->brushq3.num_lightgrid_cellsize[1] = 64;
+ loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
+ if (!l->filelen)
+ return;
+ loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+ memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
+ data = loadmodel->brush.entities;
+ // some Q3 maps override the lightgrid_cellsize with a worldspawn key
+ if (data && COM_ParseToken(&data, false) && com_token[0] == '{')
+ {
+ while (1)
+ {
+ if (!COM_ParseToken(&data, false))
+ break; // error
+ if (com_token[0] == '}')
+ break; // end of worldspawn
+ if (com_token[0] == '_')
+ strcpy(key, com_token + 1);
+ else
+ strcpy(key, com_token);
+ while (key[strlen(key)-1] == ' ') // remove trailing spaces
+ key[strlen(key)-1] = 0;
+ if (!COM_ParseToken(&data, false))
+ break; // error
+ strcpy(value, com_token);
+ if (!strcmp("gridsize", key))
+ {
+ if (sscanf(value, "%f %f %f", &v[0], &v[1], &v[2]) == 3 && v[0] != 0 && v[1] != 0 && v[2] != 0)
+ VectorCopy(v, loadmodel->brushq3.num_lightgrid_cellsize);
+ }
+ }
}
}
-/*
-=================
-Mod_LoadClipnodes
-=================
-*/
-static void Mod_LoadClipnodes (lump_t *l)
+static void Mod_Q3BSP_LoadTextures(lump_t *l)
{
- dclipnode_t *in, *out;
- int i, count;
- hull_t *hull;
+ q3dtexture_t *in;
+ q3mtexture_t *out;
+ int i, count;
+ int j, c;
+ fssearch_t *search;
+ char *f;
+ const char *text;
+ int flags;
+ char shadername[Q3PATHLENGTH];
+ char sky[Q3PATHLENGTH];
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
+ Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
- out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->clipnodes = out;
- loadmodel->numclipnodes = count;
+ loadmodel->brushq3.data_textures = out;
+ loadmodel->brushq3.num_textures = count;
- if (loadmodel->ishlbsp)
+ for (i = 0;i < count;i++, in++, out++)
{
- hull = &loadmodel->hulls[1];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->planes;
- hull->clip_mins[0] = -16;
- hull->clip_mins[1] = -16;
- hull->clip_mins[2] = -36;
- hull->clip_maxs[0] = 16;
- hull->clip_maxs[1] = 16;
- hull->clip_maxs[2] = 36;
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-
- hull = &loadmodel->hulls[2];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->planes;
- hull->clip_mins[0] = -32;
- hull->clip_mins[1] = -32;
- hull->clip_mins[2] = -32;
- hull->clip_maxs[0] = 32;
- hull->clip_maxs[1] = 32;
- hull->clip_maxs[2] = 32;
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-
- hull = &loadmodel->hulls[3];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->planes;
- hull->clip_mins[0] = -16;
- hull->clip_mins[1] = -16;
- hull->clip_mins[2] = -18;
- hull->clip_maxs[0] = 16;
- hull->clip_maxs[1] = 16;
- hull->clip_maxs[2] = 18;
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+ out->number = i;
+ strlcpy (out->name, in->name, sizeof (out->name));
+ out->surfaceflags = LittleLong(in->surfaceflags);
+ out->nativecontents = LittleLong(in->contents);
+ out->supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, out->nativecontents);
+ Mod_LoadSkinFrame(&out->skin, out->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true, true);
+ out->surfaceparms = -1;
}
- else
- {
- hull = &loadmodel->hulls[1];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->planes;
- hull->clip_mins[0] = -16;
- hull->clip_mins[1] = -16;
- hull->clip_mins[2] = -24;
- hull->clip_maxs[0] = 16;
- hull->clip_maxs[1] = 16;
- hull->clip_maxs[2] = 32;
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
- hull = &loadmodel->hulls[2];
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = count-1;
- hull->planes = loadmodel->planes;
- hull->clip_mins[0] = -32;
- hull->clip_mins[1] = -32;
- hull->clip_mins[2] = -24;
- hull->clip_maxs[0] = 32;
- hull->clip_maxs[1] = 32;
- hull->clip_maxs[2] = 64;
- VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
+ // do a quick parse of shader files to get surfaceparms
+ if ((search = FS_Search("scripts/*.shader", true, false)))
+ {
+ for (i = 0;i < search->numfilenames;i++)
+ {
+ if ((f = FS_LoadFile(search->filenames[i], tempmempool, false)))
+ {
+ text = f;
+ while (COM_ParseToken(&text, false))
+ {
+ strlcpy (shadername, com_token, sizeof (shadername));
+ flags = 0;
+ sky[0] = 0;
+ if (COM_ParseToken(&text, false) && !strcasecmp(com_token, "{"))
+ {
+ while (COM_ParseToken(&text, false))
+ {
+ if (!strcasecmp(com_token, "}"))
+ break;
+ else if (!strcasecmp(com_token, "{"))
+ {
+ while (COM_ParseToken(&text, false))
+ {
+ if (!strcasecmp(com_token, "}"))
+ break;
+ }
+ }
+ else if (!strcasecmp(com_token, "surfaceparm"))
+ {
+ if (COM_ParseToken(&text, true) && strcasecmp(com_token, "\n"))
+ {
+ if (!strcasecmp(com_token, "alphashadow"))
+ flags |= Q3SURFACEPARM_ALPHASHADOW;
+ else if (!strcasecmp(com_token, "areaportal"))
+ flags |= Q3SURFACEPARM_AREAPORTAL;
+ else if (!strcasecmp(com_token, "clusterportal"))
+ flags |= Q3SURFACEPARM_CLUSTERPORTAL;
+ else if (!strcasecmp(com_token, "detail"))
+ flags |= Q3SURFACEPARM_DETAIL;
+ else if (!strcasecmp(com_token, "donotenter"))
+ flags |= Q3SURFACEPARM_DONOTENTER;
+ else if (!strcasecmp(com_token, "fog"))
+ flags |= Q3SURFACEPARM_FOG;
+ else if (!strcasecmp(com_token, "lava"))
+ flags |= Q3SURFACEPARM_LAVA;
+ else if (!strcasecmp(com_token, "lightfilter"))
+ flags |= Q3SURFACEPARM_LIGHTFILTER;
+ else if (!strcasecmp(com_token, "metalsteps"))
+ flags |= Q3SURFACEPARM_METALSTEPS;
+ else if (!strcasecmp(com_token, "nodamage"))
+ flags |= Q3SURFACEPARM_NODAMAGE;
+ else if (!strcasecmp(com_token, "nodlight"))
+ flags |= Q3SURFACEPARM_NODLIGHT;
+ else if (!strcasecmp(com_token, "nodraw"))
+ flags |= Q3SURFACEPARM_NODRAW;
+ else if (!strcasecmp(com_token, "nodrop"))
+ flags |= Q3SURFACEPARM_NODROP;
+ else if (!strcasecmp(com_token, "noimpact"))
+ flags |= Q3SURFACEPARM_NOIMPACT;
+ else if (!strcasecmp(com_token, "nolightmap"))
+ flags |= Q3SURFACEPARM_NOLIGHTMAP;
+ else if (!strcasecmp(com_token, "nomarks"))
+ flags |= Q3SURFACEPARM_NOMARKS;
+ else if (!strcasecmp(com_token, "nomipmaps"))
+ flags |= Q3SURFACEPARM_NOMIPMAPS;
+ else if (!strcasecmp(com_token, "nonsolid"))
+ flags |= Q3SURFACEPARM_NONSOLID;
+ else if (!strcasecmp(com_token, "origin"))
+ flags |= Q3SURFACEPARM_ORIGIN;
+ else if (!strcasecmp(com_token, "playerclip"))
+ flags |= Q3SURFACEPARM_PLAYERCLIP;
+ else if (!strcasecmp(com_token, "sky"))
+ flags |= Q3SURFACEPARM_SKY;
+ else if (!strcasecmp(com_token, "slick"))
+ flags |= Q3SURFACEPARM_SLICK;
+ else if (!strcasecmp(com_token, "slime"))
+ flags |= Q3SURFACEPARM_SLIME;
+ else if (!strcasecmp(com_token, "structural"))
+ flags |= Q3SURFACEPARM_STRUCTURAL;
+ else if (!strcasecmp(com_token, "trans"))
+ flags |= Q3SURFACEPARM_TRANS;
+ else if (!strcasecmp(com_token, "water"))
+ flags |= Q3SURFACEPARM_WATER;
+ else
+ Con_Printf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[i], com_token);
+ if (!COM_ParseToken(&text, true) || strcasecmp(com_token, "\n"))
+ {
+ Con_Printf("%s parsing error: surfaceparm only takes one parameter.\n", search->filenames[i]);
+ goto parseerror;
+ }
+ }
+ else
+ {
+ Con_Printf("%s parsing error: surfaceparm expects a parameter.\n", search->filenames[i]);
+ goto parseerror;
+ }
+ }
+ else if (!strcasecmp(com_token, "sky"))
+ {
+ if (COM_ParseToken(&text, true) && strcasecmp(com_token, "\n"))
+ if (strlen(com_token) < sizeof(sky))
+ strcpy(sky, com_token);
+ }
+ else if (!strcasecmp(com_token, "skyparms"))
+ {
+ if (COM_ParseToken(&text, true) && strcasecmp(com_token, "\n"))
+ {
+ if (strlen(com_token) < sizeof(sky) && !atoi(com_token) && strcasecmp(com_token, "-"))
+ strcpy(sky, com_token);
+ if (COM_ParseToken(&text, true) && strcasecmp(com_token, "\n"))
+ COM_ParseToken(&text, true);
+ }
+ }
+ else
+ {
+ // look for linebreak or }
+ while(COM_ParseToken(&text, true) && strcasecmp(com_token, "\n") && strcasecmp(com_token, "}"));
+ // break out to top level if it was }
+ if (!strcasecmp(com_token, "}"))
+ break;
+ }
+ }
+ // add shader to list (shadername and flags)
+ // actually here we just poke into the texture settings
+ for (j = 0, out = loadmodel->brushq3.data_textures;j < loadmodel->brushq3.num_textures;j++, out++)
+ {
+ if (!strcasecmp(out->name, shadername))
+ {
+ out->surfaceparms = flags;
+ if ((flags & Q3SURFACEPARM_SKY) && sky[0])
+ {
+ // quake3 seems to append a _ to the skybox name, so this must do so as well
+ snprintf(loadmodel->brush.skybox, sizeof(loadmodel->brush.skybox), "%s_", sky);
+ }
+ }
+ }
+ }
+ else
+ {
+ Con_Printf("%s parsing error - expected \"{\", found \"%s\"\n", search->filenames[i], com_token);
+ goto parseerror;
+ }
+ }
+parseerror:
+ Mem_Free(f);
+ }
+ }
}
- for (i=0 ; i<count ; i++, out++, in++)
+ c = 0;
+ for (j = 0, out = loadmodel->brushq3.data_textures;j < loadmodel->brushq3.num_textures;j++, out++)
{
- out->planenum = LittleLong(in->planenum);
- out->children[0] = LittleShort(in->children[0]);
- out->children[1] = LittleShort(in->children[1]);
- if (out->children[0] >= count || out->children[1] >= count)
- Host_Error("Corrupt clipping hull (out of range child)\n");
+ if (out->surfaceparms == -1)
+ {
+ c++;
+ Con_DPrintf("%s: No shader found for texture \"%s\"\n", loadmodel->name, out->name);
+ out->surfaceparms = 0;
+ // these are defaults
+ if (!strcmp(out->name, "caulk") || !strcmp(out->name, "common/caulk") || !strcmp(out->name, "textures/common/caulk")
+ || !strcmp(out->name, "nodraw") || !strcmp(out->name, "common/nodraw") || !strcmp(out->name, "textures/common/nodraw"))
+ out->surfaceparms |= Q3SURFACEPARM_NODRAW;
+ if (!strncmp(out->name, "textures/skies/", 15))
+ out->surfaceparms |= Q3SURFACEPARM_SKY;
+ if (R_TextureHasAlpha(out->skin.base))
+ out->surfaceparms |= Q3SURFACEPARM_TRANS;
+ }
}
+ Con_DPrintf("%s: %i textures missing shaders\n", loadmodel->name, c);
}
-/*
-=================
-Mod_MakeHull0
-
-Duplicate the drawing hull structure as a clipping hull
-=================
-*/
-static void Mod_MakeHull0 (void)
+static void Mod_Q3BSP_LoadPlanes(lump_t *l)
{
- mnode_t *in;
- dclipnode_t *out;
- int i;
- hull_t *hull;
+ q3dplane_t *in;
+ mplane_t *out;
+ int i, count;
- hull = &loadmodel->hulls[0];
-
- in = loadmodel->nodes;
- out = Mem_Alloc(loadmodel->mempool, loadmodel->numnodes * sizeof(dclipnode_t));
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- hull->clipnodes = out;
- hull->firstclipnode = 0;
- hull->lastclipnode = loadmodel->numnodes - 1;
- hull->planes = loadmodel->planes;
+ loadmodel->brushq3.data_planes = out;
+ loadmodel->brushq3.num_planes = count;
- for (i = 0;i < loadmodel->numnodes;i++, out++, in++)
+ for (i = 0;i < count;i++, in++, out++)
{
- out->planenum = in->plane - loadmodel->planes;
- out->children[0] = in->children[0]->contents < 0 ? in->children[0]->contents : in->children[0] - loadmodel->nodes;
- out->children[1] = in->children[1]->contents < 0 ? in->children[1]->contents : in->children[1] - loadmodel->nodes;
+ out->normal[0] = LittleLong(in->normal[0]);
+ out->normal[1] = LittleLong(in->normal[1]);
+ out->normal[2] = LittleLong(in->normal[2]);
+ out->dist = LittleLong(in->dist);
+ PlaneClassify(out);
}
}
-/*
-=================
-Mod_LoadMarksurfaces
-=================
-*/
-static void Mod_LoadMarksurfaces (lump_t *l)
+static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
{
- int i, j;
- short *in;
+ q3dbrushside_t *in;
+ q3mbrushside_t *out;
+ int i, n, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- loadmodel->nummarksurfaces = l->filelen / sizeof(*in);
- loadmodel->marksurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->nummarksurfaces * sizeof(int));
+ Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+ loadmodel->brushq3.data_brushsides = out;
+ loadmodel->brushq3.num_brushsides = count;
- for (i = 0;i < loadmodel->nummarksurfaces;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- j = (unsigned) LittleShort(in[i]);
- if (j >= loadmodel->numsurfaces)
- Host_Error ("Mod_ParseMarksurfaces: bad surface number");
- loadmodel->marksurfaces[i] = j;
+ n = LittleLong(in->planeindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_planes)
+ Host_Error("Mod_Q3BSP_LoadBrushSides: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
+ out->plane = loadmodel->brushq3.data_planes + n;
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ Host_Error("Mod_Q3BSP_LoadBrushSides: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
+ out->texture = loadmodel->brushq3.data_textures + n;
}
}
-/*
-=================
-Mod_LoadSurfedges
-=================
-*/
-static void Mod_LoadSurfedges (lump_t *l)
+static void Mod_Q3BSP_LoadBrushes(lump_t *l)
{
- int i;
- int *in;
+ q3dbrush_t *in;
+ q3mbrush_t *out;
+ int i, j, n, c, count, maxplanes;
+ mplane_t *planes;
+ winding_t *temp1, *temp2;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name);
- loadmodel->numsurfedges = l->filelen / sizeof(*in);
- loadmodel->surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->numsurfedges * sizeof(int));
+ Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- for (i = 0;i < loadmodel->numsurfedges;i++)
- loadmodel->surfedges[i] = LittleLong (in[i]);
-}
+ loadmodel->brushq3.data_brushes = out;
+ loadmodel->brushq3.num_brushes = count;
+ temp1 = Winding_New(64);
+ temp2 = Winding_New(64);
-/*
-=================
-Mod_LoadPlanes
-=================
-*/
-static void Mod_LoadPlanes (lump_t *l)
+ maxplanes = 0;
+ planes = NULL;
+
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ n = LittleLong(in->firstbrushside);
+ c = LittleLong(in->numbrushsides);
+ if (n < 0 || n + c > loadmodel->brushq3.num_brushsides)
+ Host_Error("Mod_Q3BSP_LoadBrushes: invalid brushside range %i : %i (%i brushsides)\n", n, n + c, loadmodel->brushq3.num_brushsides);
+ out->firstbrushside = loadmodel->brushq3.data_brushsides + n;
+ out->numbrushsides = c;
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ Host_Error("Mod_Q3BSP_LoadBrushes: invalid textureindex %i (%i textures)\n", n, loadmodel->brushq3.num_textures);
+ out->texture = loadmodel->brushq3.data_textures + n;
+
+ // make a list of mplane_t structs to construct a colbrush from
+ if (maxplanes < out->numbrushsides)
+ {
+ maxplanes = out->numbrushsides;
+ if (planes)
+ Mem_Free(planes);
+ planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
+ }
+ for (j = 0;j < out->numbrushsides;j++)
+ {
+ VectorCopy(out->firstbrushside[j].plane->normal, planes[j].normal);
+ planes[j].dist = out->firstbrushside[j].plane->dist;
+ }
+ // make the colbrush from the planes
+ out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents, temp1, temp2);
+ }
+ if (planes)
+ Mem_Free(planes);
+ Winding_Free(temp1);
+ Winding_Free(temp2);
+}
+
+static void Mod_Q3BSP_LoadEffects(lump_t *l)
{
- int i;
- mplane_t *out;
- dplane_t *in;
+ q3deffect_t *in;
+ q3meffect_t *out;
+ int i, n, count;
in = (void *)(mod_base + l->fileofs);
if (l->filelen % sizeof(*in))
- Host_Error ("MOD_LoadBmodel: funny lump size in %s", loadmodel->name);
+ Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- loadmodel->numplanes = l->filelen / sizeof(*in);
- loadmodel->planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->numplanes * sizeof(*out));
+ loadmodel->brushq3.data_effects = out;
+ loadmodel->brushq3.num_effects = count;
- for (i = 0;i < loadmodel->numplanes;i++, in++, out++)
+ for (i = 0;i < count;i++, in++, out++)
{
- out->normal[0] = LittleFloat (in->normal[0]);
- out->normal[1] = LittleFloat (in->normal[1]);
- out->normal[2] = LittleFloat (in->normal[2]);
- out->dist = LittleFloat (in->dist);
-
- PlaneClassify(out);
+ strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
+ n = LittleLong(in->brushindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
+ out->brush = loadmodel->brushq3.data_brushes + n;
+ out->unknown = LittleLong(in->unknown);
}
}
-#define MAX_POINTS_ON_WINDING 64
-
-typedef struct
+static void Mod_Q3BSP_LoadVertices(lump_t *l)
{
- int numpoints;
- int padding;
- double points[8][3]; // variable sized
+ q3dvertex_t *in;
+ int i, count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
+ loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)));
+ loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
+ loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
+ loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
+ loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + count * 3;
+ loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + count * 3;
+ loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + count * 3;
+
+ for (i = 0;i < count;i++, in++)
+ {
+ loadmodel->brushq3.data_vertex3f[i * 3 + 0] = LittleFloat(in->origin3f[0]);
+ loadmodel->brushq3.data_vertex3f[i * 3 + 1] = LittleFloat(in->origin3f[1]);
+ loadmodel->brushq3.data_vertex3f[i * 3 + 2] = LittleFloat(in->origin3f[2]);
+ loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 0] = LittleFloat(in->texcoord2f[0]);
+ loadmodel->brushq3.data_texcoordtexture2f[i * 2 + 1] = LittleFloat(in->texcoord2f[1]);
+ loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 0] = LittleFloat(in->lightmap2f[0]);
+ loadmodel->brushq3.data_texcoordlightmap2f[i * 2 + 1] = LittleFloat(in->lightmap2f[1]);
+ // svector/tvector are calculated later in face loading
+ loadmodel->brushq3.data_svector3f[i * 3 + 0] = 0;
+ loadmodel->brushq3.data_svector3f[i * 3 + 1] = 0;
+ loadmodel->brushq3.data_svector3f[i * 3 + 2] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 0] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 1] = 0;
+ loadmodel->brushq3.data_tvector3f[i * 3 + 2] = 0;
+ loadmodel->brushq3.data_normal3f[i * 3 + 0] = LittleFloat(in->normal3f[0]);
+ loadmodel->brushq3.data_normal3f[i * 3 + 1] = LittleFloat(in->normal3f[1]);
+ loadmodel->brushq3.data_normal3f[i * 3 + 2] = LittleFloat(in->normal3f[2]);
+ loadmodel->brushq3.data_color4f[i * 4 + 0] = in->color4ub[0] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 1] = in->color4ub[1] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 2] = in->color4ub[2] * (1.0f / 255.0f);
+ loadmodel->brushq3.data_color4f[i * 4 + 3] = in->color4ub[3] * (1.0f / 255.0f);
+ }
}
-winding_t;
-/*
-==================
-NewWinding
-==================
-*/
-static winding_t *NewWinding (int points)
+static void Mod_Q3BSP_LoadTriangles(lump_t *l)
{
- winding_t *w;
- int size;
-
- if (points > MAX_POINTS_ON_WINDING)
- Sys_Error("NewWinding: too many points\n");
+ int *in;
+ int *out;
+ int i, count;
- size = sizeof(winding_t) + sizeof(double[3]) * (points - 8);
- w = Mem_Alloc(loadmodel->mempool, size);
- memset (w, 0, size);
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(int[3]))
+ Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out) * 2);
- return w;
-}
+ loadmodel->brushq3.num_triangles = count / 3;
+ loadmodel->brushq3.data_element3i = out;
+ loadmodel->brushq3.data_neighbor3i = out + count;
-static void FreeWinding (winding_t *w)
-{
- Mem_Free(w);
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ *out = LittleLong(*in);
+ if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
+ {
+ Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
+ *out = 0;
+ }
+ }
}
-/*
-=================
-BaseWindingForPlane
-=================
-*/
-static winding_t *BaseWindingForPlane (mplane_t *p)
+static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
{
- double org[3], vright[3], vup[3], normal[3];
- winding_t *w;
-
- VectorCopy(p->normal, normal);
- VectorVectorsDouble(normal, vright, vup);
-
- VectorScale (vup, 1024.0*1024.0*1024.0, vup);
- VectorScale (vright, 1024.0*1024.0*1024.0, vright);
-
- // project a really big axis aligned box onto the plane
- w = NewWinding (4);
-
- VectorScale (p->normal, p->dist, org);
-
- VectorSubtract (org, vright, w->points[0]);
- VectorAdd (w->points[0], vup, w->points[0]);
-
- VectorAdd (org, vright, w->points[1]);
- VectorAdd (w->points[1], vup, w->points[1]);
+ q3dlightmap_t *in;
+ rtexture_t **out;
+ int i, count;
- VectorAdd (org, vright, w->points[2]);
- VectorSubtract (w->points[2], vup, w->points[2]);
-
- VectorSubtract (org, vright, w->points[3]);
- VectorSubtract (w->points[3], vup, w->points[3]);
+ if (!l->filelen)
+ return;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- w->numpoints = 4;
+ loadmodel->brushq3.data_lightmaps = out;
+ loadmodel->brushq3.num_lightmaps = count;
- return w;
+ for (i = 0;i < count;i++, in++, out++)
+ *out = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", i), 128, 128, in->rgb, TEXTYPE_RGB, TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
}
-/*
-==================
-ClipWinding
-
-Clips the winding to the plane, returning the new winding on the positive side
-Frees the input winding.
-If keepon is true, an exactly on-plane winding will be saved, otherwise
-it will be clipped away.
-==================
-*/
-static winding_t *ClipWinding (winding_t *in, mplane_t *split, int keepon)
+static void Mod_Q3BSP_LoadFaces(lump_t *l)
{
- double dists[MAX_POINTS_ON_WINDING + 1];
- int sides[MAX_POINTS_ON_WINDING + 1];
- int counts[3];
- double dot;
- int i, j;
- double *p1, *p2;
- double mid[3];
- winding_t *neww;
- int maxpts;
+ q3dface_t *in;
+ q3msurface_t *out;
+ int i, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xlevel, ylevel, row0, row1, x, y, *e, finalvertices, finaltriangles;
+ //int *originalelement3i;
+ //int *originalneighbor3i;
+ float *originalvertex3f;
+ //float *originalsvector3f;
+ //float *originaltvector3f;
+ //float *originalnormal3f;
+ float *originalcolor4f;
+ float *originaltexcoordtexture2f;
+ float *originaltexcoordlightmap2f;
+ float *v;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- counts[SIDE_FRONT] = counts[SIDE_BACK] = counts[SIDE_ON] = 0;
+ loadmodel->brushq3.data_faces = out;
+ loadmodel->brushq3.num_faces = count;
- // determine sides for each point
- for (i = 0;i < in->numpoints;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- dists[i] = dot = DotProduct (in->points[i], split->normal) - split->dist;
- if (dot > ON_EPSILON)
- sides[i] = SIDE_FRONT;
- else if (dot < -ON_EPSILON)
- sides[i] = SIDE_BACK;
+ // check face type first
+ out->type = LittleLong(in->type);
+ if (out->type != Q3FACETYPE_POLYGON
+ && out->type != Q3FACETYPE_PATCH
+ && out->type != Q3FACETYPE_MESH
+ && out->type != Q3FACETYPE_FLARE)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, out->type);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+
+ n = LittleLong(in->textureindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_textures)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brushq3.num_textures);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ n = 0;
+ }
+ out->texture = loadmodel->brushq3.data_textures + n;
+ n = LittleLong(in->effectindex);
+ if (n < -1 || n >= loadmodel->brushq3.num_effects)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid effectindex %i (%i effects)\n", i, out->texture->name, n, loadmodel->brushq3.num_effects);
+ n = -1;
+ }
+ if (n == -1)
+ out->effect = NULL;
+ else
+ out->effect = loadmodel->brushq3.data_effects + n;
+ n = LittleLong(in->lightmapindex);
+ if (n < -1 || n >= loadmodel->brushq3.num_lightmaps)
+ {
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid lightmapindex %i (%i lightmaps)\n", i, out->texture->name, n, loadmodel->brushq3.num_lightmaps);
+ n = -1;
+ }
+ if (n == -1)
+ out->lightmaptexture = NULL;
else
- sides[i] = SIDE_ON;
- counts[sides[i]]++;
+ out->lightmaptexture = loadmodel->brushq3.data_lightmaps[n];
+
+ out->firstvertex = LittleLong(in->firstvertex);
+ out->num_vertices = LittleLong(in->numvertices);
+ out->firstelement = LittleLong(in->firstelement);
+ out->num_triangles = LittleLong(in->numelements) / 3;
+ if (out->num_triangles * 3 != LittleLong(in->numelements))
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, LittleLong(in->numelements));
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ if (out->firstvertex < 0 || out->firstvertex + out->num_vertices > loadmodel->brushq3.num_vertices)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, out->firstvertex, out->firstvertex + out->num_vertices, loadmodel->brushq3.num_vertices);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ if (out->firstelement < 0 || out->firstelement + out->num_triangles * 3 > loadmodel->brushq3.num_triangles * 3)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, out->firstelement, out->firstelement + out->num_triangles * 3, loadmodel->brushq3.num_triangles * 3);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ switch(out->type)
+ {
+ case Q3FACETYPE_POLYGON:
+ case Q3FACETYPE_MESH:
+ // no processing necessary
+ out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ break;
+ case Q3FACETYPE_PATCH:
+ patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
+ patchsize[1] = LittleLong(in->specific.patch.patchsize[1]);
+ if (patchsize[0] < 1 || patchsize[1] < 1)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0; // error
+ continue;
+ }
+ originalvertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ //originalsvector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ //originaltvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ //originalnormal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ originalcolor4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ //originalelement3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ //originalneighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ /*
+ originalvertex3f = out->data_vertex3f;
+ //originalsvector3f = out->data_svector3f;
+ //originaltvector3f = out->data_tvector3f;
+ //originalnormal3f = out->data_normal3f;
+ originalcolor4f = out->data_color4f;
+ originaltexcoordtexture2f = out->data_texcoordtexture2f;
+ originaltexcoordlightmap2f = out->data_texcoordlightmap2f;
+ //originalelement3i = out->data_element3i;
+ //originalneighbor3i = out->data_neighbor3i;
+ */
+ // convert patch to Q3FACETYPE_MESH
+ xlevel = QuadraticSplinePatchSubdivisionLevelOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value, 10);
+ ylevel = QuadraticSplinePatchSubdivisionLevelOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_tolerance.value, 10);
+ // bound to user settings
+ xlevel = bound(r_subdivisions_minlevel.integer, xlevel, r_subdivisions_maxlevel.integer);
+ ylevel = bound(r_subdivisions_minlevel.integer, ylevel, r_subdivisions_maxlevel.integer);
+ // bound to sanity settings
+ xlevel = bound(0, xlevel, 10);
+ ylevel = bound(0, ylevel, 10);
+ // bound to user limit on vertices
+ while ((xlevel > 0 || ylevel > 0) && (((patchsize[0] - 1) << xlevel) + 1) * (((patchsize[1] - 1) << ylevel) + 1) > min(r_subdivisions_maxvertices.integer, 262144))
+ {
+ if (xlevel > ylevel)
+ xlevel--;
+ else
+ ylevel--;
+ }
+ finalwidth = ((patchsize[0] - 1) << xlevel) + 1;
+ finalheight = ((patchsize[1] - 1) << ylevel) + 1;
+ finalvertices = finalwidth * finalheight;
+ finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
+ out->data_vertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[20]) * finalvertices);
+ out->data_svector3f = out->data_vertex3f + finalvertices * 3;
+ out->data_tvector3f = out->data_svector3f + finalvertices * 3;
+ out->data_normal3f = out->data_tvector3f + finalvertices * 3;
+ out->data_color4f = out->data_normal3f + finalvertices * 3;
+ out->data_texcoordtexture2f = out->data_color4f + finalvertices * 4;
+ out->data_texcoordlightmap2f = out->data_texcoordtexture2f + finalvertices * 2;
+ out->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[6]) * finaltriangles);
+ out->data_neighbor3i = out->data_element3i + finaltriangles * 3;
+ out->type = Q3FACETYPE_MESH;
+ out->firstvertex = -1;
+ out->num_vertices = finalvertices;
+ out->firstelement = -1;
+ out->num_triangles = finaltriangles;
+ // generate geometry
+ // (note: normals are skipped because they get recalculated)
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 3, originalvertex3f, out->data_vertex3f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 2, originaltexcoordtexture2f, out->data_texcoordtexture2f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 2, originaltexcoordlightmap2f, out->data_texcoordlightmap2f);
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 4, originalcolor4f, out->data_color4f);
+ // generate elements
+ e = out->data_element3i;
+ for (y = 0;y < finalheight - 1;y++)
+ {
+ row0 = (y + 0) * finalwidth;
+ row1 = (y + 1) * finalwidth;
+ for (x = 0;x < finalwidth - 1;x++)
+ {
+ *e++ = row0;
+ *e++ = row1;
+ *e++ = row0 + 1;
+ *e++ = row1;
+ *e++ = row1 + 1;
+ *e++ = row0 + 1;
+ row0++;
+ row1++;
+ }
+ }
+ out->num_triangles = Mod_RemoveDegenerateTriangles(out->num_triangles, out->data_element3i, out->data_element3i, out->data_vertex3f);
+ if (developer.integer)
+ {
+ if (out->num_triangles < finaltriangles)
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles, %i degenerate triangles removed (leaving %i)\n", patchsize[0], patchsize[1], out->num_vertices, finaltriangles, finaltriangles - out->num_triangles, out->num_triangles);
+ else
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided to %i vertices / %i triangles\n", patchsize[0], patchsize[1], out->num_vertices, out->num_triangles);
+ }
+ // q3map does not put in collision brushes for curves... ugh
+ // build the lower quality collision geometry
+ out->collisions = true;
+ xlevel = QuadraticSplinePatchSubdivisionLevelOnX(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value, 10);
+ ylevel = QuadraticSplinePatchSubdivisionLevelOnY(patchsize[0], patchsize[1], 3, originalvertex3f, r_subdivisions_collision_tolerance.value, 10);
+ // bound to user settings
+ xlevel = bound(r_subdivisions_collision_minlevel.integer, xlevel, r_subdivisions_collision_maxlevel.integer);
+ ylevel = bound(r_subdivisions_collision_minlevel.integer, ylevel, r_subdivisions_collision_maxlevel.integer);
+ // bound to sanity settings
+ xlevel = bound(0, xlevel, 10);
+ ylevel = bound(0, ylevel, 10);
+ // bound to user limit on vertices
+ while ((xlevel > 0 || ylevel > 0) && (((patchsize[0] - 1) << xlevel) + 1) * (((patchsize[1] - 1) << ylevel) + 1) > min(r_subdivisions_collision_maxvertices.integer, 262144))
+ {
+ if (xlevel > ylevel)
+ xlevel--;
+ else
+ ylevel--;
+ }
+ finalwidth = ((patchsize[0] - 1) << xlevel) + 1;
+ finalheight = ((patchsize[1] - 1) << ylevel) + 1;
+ finalvertices = finalwidth * finalheight;
+ finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
+ out->data_collisionvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
+ out->data_collisionelement3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
+ out->num_collisionvertices = finalvertices;
+ out->num_collisiontriangles = finaltriangles;
+ QuadraticSplinePatchSubdivideFloatBuffer(patchsize[0], patchsize[1], xlevel, ylevel, 3, originalvertex3f, out->data_collisionvertex3f);
+ // generate elements
+ e = out->data_collisionelement3i;
+ for (y = 0;y < finalheight - 1;y++)
+ {
+ row0 = (y + 0) * finalwidth;
+ row1 = (y + 1) * finalwidth;
+ for (x = 0;x < finalwidth - 1;x++)
+ {
+ *e++ = row0;
+ *e++ = row1;
+ *e++ = row0 + 1;
+ *e++ = row1;
+ *e++ = row1 + 1;
+ *e++ = row0 + 1;
+ row0++;
+ row1++;
+ }
+ }
+ out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
+ if (developer.integer)
+ {
+ if (out->num_collisiontriangles < finaltriangles)
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided for collisions to %i vertices / %i triangles, %i degenerate triangles removed (leaving %i)\n", patchsize[0], patchsize[1], out->num_collisionvertices, finaltriangles, finaltriangles - out->num_collisiontriangles, out->num_collisiontriangles);
+ else
+ Con_Printf("Mod_Q3BSP_LoadFaces: %ix%i curve subdivided for collisions to %i vertices / %i triangles\n", patchsize[0], patchsize[1], out->num_collisionvertices, out->num_collisiontriangles);
+ }
+ break;
+ case Q3FACETYPE_FLARE:
+ Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
+ // don't render it
+ out->num_vertices = 0;
+ out->num_triangles = 0;
+ out->type = 0;
+ break;
+ }
+ for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
+ if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->num_vertices)
+ invalidelements++;
+ if (invalidelements)
+ {
+ Con_Printf("Mod_Q3BSP_LoadFaces: Warning: face #%i has %i invalid elements, type = %i, texture->name = \"%s\", texture->surfaceflags = %i, texture->nativecontents = %i, firstvertex = %i, numvertices = %i, firstelement = %i, numelements = %i, elements list:\n", i, invalidelements, out->type, out->texture->name, out->texture->surfaceflags, out->texture->nativecontents, out->firstvertex, out->num_vertices, out->firstelement, out->num_triangles * 3);
+ for (j = 0;j < out->num_triangles * 3;j++)
+ {
+ Con_Printf(" %i", out->data_element3i[j]);
+ if (out->data_element3i[j] < 0 || out->data_element3i[j] >= out->num_vertices)
+ out->data_element3i[j] = 0;
+ }
+ Con_Print("\n");
+ }
+ // for shadow volumes
+ Mod_BuildTriangleNeighbors(out->data_neighbor3i, out->data_element3i, out->num_triangles);
+ // for per pixel lighting
+ Mod_BuildTextureVectorsAndNormals(out->num_vertices, out->num_triangles, out->data_vertex3f, out->data_texcoordtexture2f, out->data_element3i, out->data_svector3f, out->data_tvector3f, out->data_normal3f);
+ // calculate a bounding box
+ VectorClear(out->mins);
+ VectorClear(out->maxs);
+ if (out->num_vertices)
+ {
+ VectorCopy(out->data_vertex3f, out->mins);
+ VectorCopy(out->data_vertex3f, out->maxs);
+ for (j = 1, v = out->data_vertex3f + 3;j < out->num_vertices;j++, v += 3)
+ {
+ out->mins[0] = min(out->mins[0], v[0]);
+ out->maxs[0] = max(out->maxs[0], v[0]);
+ out->mins[1] = min(out->mins[1], v[1]);
+ out->maxs[1] = max(out->maxs[1], v[1]);
+ out->mins[2] = min(out->mins[2], v[2]);
+ out->maxs[2] = max(out->maxs[2], v[2]);
+ }
+ out->mins[0] -= 1.0f;
+ out->mins[1] -= 1.0f;
+ out->mins[2] -= 1.0f;
+ out->maxs[0] += 1.0f;
+ out->maxs[1] += 1.0f;
+ out->maxs[2] += 1.0f;
+ }
}
- sides[i] = sides[0];
- dists[i] = dists[0];
-
- if (keepon && !counts[0] && !counts[1])
- return in;
- if (!counts[0])
+ // LordHavoc: experimental array merger (disabled because it wastes time and uses 2x memory while merging)
+ /*
{
- FreeWinding (in);
- return NULL;
+ int totalverts, totaltris;
+ int originalnum_vertices;
+ float *originaldata_vertex3f;
+ float *originaldata_texcoordtexture2f;
+ float *originaldata_texcoordlightmap2f;
+ float *originaldata_svector3f;
+ float *originaldata_tvector3f;
+ float *originaldata_normal3f;
+ float *originaldata_color4f;
+ int originalnum_triangles;
+ int *originaldata_element3i;
+ int *originaldata_neighbor3i;
+
+ totalverts = 0;
+ totaltris = 0;
+ for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
+ {
+ if (!out->type)
+ continue;
+ totalverts += out->num_vertices;
+ totaltris += out->num_triangles;
}
- if (!counts[1])
- return in;
-
- maxpts = in->numpoints+4; // can't use counts[0]+2 because of fp grouping errors
- if (maxpts > MAX_POINTS_ON_WINDING)
- Sys_Error ("ClipWinding: maxpts > MAX_POINTS_ON_WINDING");
- neww = NewWinding (maxpts);
-
- for (i = 0;i < in->numpoints;i++)
+ originalnum_vertices = loadmodel->brushq3.num_vertices;
+ originaldata_vertex3f = loadmodel->brushq3.data_vertex3f;
+ originaldata_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f;
+ originaldata_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f;
+ originaldata_svector3f = loadmodel->brushq3.data_svector3f;
+ originaldata_tvector3f = loadmodel->brushq3.data_tvector3f;
+ originaldata_normal3f = loadmodel->brushq3.data_normal3f;
+ originaldata_color4f = loadmodel->brushq3.data_color4f;
+ originalnum_triangles = loadmodel->brushq3.num_triangles;
+ originaldata_element3i = loadmodel->brushq3.data_element3i;
+ originaldata_neighbor3i = loadmodel->brushq3.data_neighbor3i;
+ loadmodel->brushq3.num_vertices = totalverts;
+ loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, totalverts * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)) + totaltris * (sizeof(int) * (3 * 2)));
+ loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + totalverts * 3;
+ loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2;
+ loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2;
+ loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + totalverts * 3;
+ loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + totalverts * 3;
+ loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + totalverts * 3;
+ loadmodel->brushq3.num_triangles = totaltris;
+ loadmodel->brushq3.data_element3i = (int *)(loadmodel->brushq3.data_color4f + totalverts * 4);
+ loadmodel->brushq3.data_neighbor3i = loadmodel->brushq3.data_element3i + totaltris * 3;
+ totalverts = 0;
+ totaltris = 0;
+ for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
{
- if (neww->numpoints >= maxpts)
- Sys_Error ("ClipWinding: points exceeded estimate");
-
- p1 = in->points[i];
-
- if (sides[i] == SIDE_ON)
- {
- VectorCopy (p1, neww->points[neww->numpoints]);
- neww->numpoints++;
+ if (!out->type)
continue;
- }
+ Con_Printf("totalverts %i, totaltris %i\n", totalverts, totaltris);
+ memcpy(loadmodel->brushq3.data_vertex3f + totalverts * 3, out->data_vertex3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2, out->data_texcoordtexture2f, out->num_vertices * 2 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2, out->data_texcoordlightmap2f, out->num_vertices * 2 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_svector3f + totalverts * 3, out->data_svector3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_tvector3f + totalverts * 3, out->data_tvector3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_normal3f + totalverts * 3, out->data_normal3f, out->num_vertices * 3 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_color4f + totalverts * 4, out->data_color4f, out->num_vertices * 4 * sizeof(float));
+ memcpy(loadmodel->brushq3.data_element3i + totaltris * 3, out->data_element3i, out->num_triangles * 3 * sizeof(int));
+ memcpy(loadmodel->brushq3.data_neighbor3i + totaltris * 3, out->data_neighbor3i, out->num_triangles * 3 * sizeof(int));
+ if (out->firstvertex == -1)
+ Mem_Free(out->data_vertex3f);
+ if (out->firstelement == -1)
+ Mem_Free(out->data_element3i);
+ out->firstvertex = totalverts;
+ out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+ out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+ out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+ out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+ out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+ out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+ out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+ out->firstelement = totaltris * 3;
+ out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+ out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+ //for (j = 0;j < out->numtriangles * 3;j++)
+ // out->data_element3i[j] += totalverts - out->firstvertex;
+ totalverts += out->num_vertices;
+ totaltris += out->num_triangles;
+ }
+ Mem_Free(originaldata_vertex3f);
+ Mem_Free(originaldata_element3i);
+ }
+ */
+}
- if (sides[i] == SIDE_FRONT)
- {
- VectorCopy (p1, neww->points[neww->numpoints]);
- neww->numpoints++;
- }
+static void Mod_Q3BSP_LoadModels(lump_t *l)
+{
+ q3dmodel_t *in;
+ q3mmodel_t *out;
+ int i, j, n, c, count;
- if (sides[i+1] == SIDE_ON || sides[i+1] == sides[i])
- continue;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- // generate a split point
- p2 = in->points[(i+1)%in->numpoints];
+ loadmodel->brushq3.data_models = out;
+ loadmodel->brushq3.num_models = count;
- dot = dists[i] / (dists[i]-dists[i+1]);
+ for (i = 0;i < count;i++, in++, out++)
+ {
for (j = 0;j < 3;j++)
- { // avoid round off error when possible
- if (split->normal[j] == 1)
- mid[j] = split->dist;
- else if (split->normal[j] == -1)
- mid[j] = -split->dist;
- else
- mid[j] = p1[j] + dot*(p2[j]-p1[j]);
+ {
+ out->mins[j] = LittleFloat(in->mins[j]);
+ out->maxs[j] = LittleFloat(in->maxs[j]);
}
-
- VectorCopy (mid, neww->points[neww->numpoints]);
- neww->numpoints++;
+ n = LittleLong(in->firstface);
+ c = LittleLong(in->numfaces);
+ if (n < 0 || n + c > loadmodel->brushq3.num_faces)
+ Host_Error("Mod_Q3BSP_LoadModels: invalid face range %i : %i (%i faces)\n", n, n + c, loadmodel->brushq3.num_faces);
+ out->firstface = loadmodel->brushq3.data_faces + n;
+ out->numfaces = c;
+ n = LittleLong(in->firstbrush);
+ c = LittleLong(in->numbrushes);
+ if (n < 0 || n + c > loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadModels: invalid brush range %i : %i (%i brushes)\n", n, n + c, loadmodel->brushq3.num_brushes);
+ out->firstbrush = loadmodel->brushq3.data_brushes + n;
+ out->numbrushes = c;
}
-
- // free the original winding
- FreeWinding (in);
-
- return neww;
}
-
-/*
-==================
-DivideWinding
-
-Divides a winding by a plane, producing one or two windings. The
-original winding is not damaged or freed. If only on one side, the
-returned winding will be the input winding. If on both sides, two
-new windings will be created.
-==================
-*/
-static void DivideWinding (winding_t *in, mplane_t *split, winding_t **front, winding_t **back)
+static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
{
- double dists[MAX_POINTS_ON_WINDING + 1];
- int sides[MAX_POINTS_ON_WINDING + 1];
- int counts[3];
- double dot;
- int i, j;
- double *p1, *p2;
- double mid[3];
- winding_t *f, *b;
- int maxpts;
-
- counts[SIDE_FRONT] = counts[SIDE_BACK] = counts[SIDE_ON] = 0;
+ int *in;
+ q3mbrush_t **out;
+ int i, n, count;
- // determine sides for each point
- for (i = 0;i < in->numpoints;i++)
- {
- dot = DotProduct (in->points[i], split->normal);
- dot -= split->dist;
- dists[i] = dot;
- if (dot > ON_EPSILON) sides[i] = SIDE_FRONT;
- else if (dot < -ON_EPSILON) sides[i] = SIDE_BACK;
- else sides[i] = SIDE_ON;
- counts[sides[i]]++;
- }
- sides[i] = sides[0];
- dists[i] = dists[0];
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- *front = *back = NULL;
+ loadmodel->brushq3.data_leafbrushes = out;
+ loadmodel->brushq3.num_leafbrushes = count;
- if (!counts[0])
- {
- *back = in;
- return;
- }
- if (!counts[1])
+ for (i = 0;i < count;i++, in++, out++)
{
- *front = in;
- return;
+ n = LittleLong(*in);
+ if (n < 0 || n >= loadmodel->brushq3.num_brushes)
+ Host_Error("Mod_Q3BSP_LoadLeafBrushes: invalid brush index %i (%i brushes)\n", n, loadmodel->brushq3.num_brushes);
+ *out = loadmodel->brushq3.data_brushes + n;
}
+}
- maxpts = in->numpoints+4; // can't use counts[0]+2 because of fp grouping errors
+static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
+{
+ int *in;
+ q3msurface_t **out;
+ int i, n, count;
- if (maxpts > MAX_POINTS_ON_WINDING)
- Sys_Error ("ClipWinding: maxpts > MAX_POINTS_ON_WINDING");
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- *front = f = NewWinding (maxpts);
- *back = b = NewWinding (maxpts);
+ loadmodel->brushq3.data_leaffaces = out;
+ loadmodel->brushq3.num_leaffaces = count;
- for (i = 0;i < in->numpoints;i++)
+ for (i = 0;i < count;i++, in++, out++)
{
- if (f->numpoints >= maxpts || b->numpoints >= maxpts)
- Sys_Error ("DivideWinding: points exceeded estimate");
-
- p1 = in->points[i];
-
- if (sides[i] == SIDE_ON)
- {
- VectorCopy (p1, f->points[f->numpoints]);
- f->numpoints++;
- VectorCopy (p1, b->points[b->numpoints]);
- b->numpoints++;
- continue;
- }
+ n = LittleLong(*in);
+ if (n < 0 || n >= loadmodel->brushq3.num_faces)
+ Host_Error("Mod_Q3BSP_LoadLeafFaces: invalid face index %i (%i faces)\n", n, loadmodel->brushq3.num_faces);
+ *out = loadmodel->brushq3.data_faces + n;
+ }
+}
- if (sides[i] == SIDE_FRONT)
- {
- VectorCopy (p1, f->points[f->numpoints]);
- f->numpoints++;
- }
- else if (sides[i] == SIDE_BACK)
- {
- VectorCopy (p1, b->points[b->numpoints]);
- b->numpoints++;
- }
+static void Mod_Q3BSP_LoadLeafs(lump_t *l)
+{
+ q3dleaf_t *in;
+ q3mleaf_t *out;
+ int i, j, n, c, count;
- if (sides[i+1] == SIDE_ON || sides[i+1] == sides[i])
- continue;
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
- // generate a split point
- p2 = in->points[(i+1)%in->numpoints];
+ loadmodel->brushq3.data_leafs = out;
+ loadmodel->brushq3.num_leafs = count;
- dot = dists[i] / (dists[i]-dists[i+1]);
+ for (i = 0;i < count;i++, in++, out++)
+ {
+ out->parent = NULL;
+ out->plane = NULL;
+ out->clusterindex = LittleLong(in->clusterindex);
+ out->areaindex = LittleLong(in->areaindex);
for (j = 0;j < 3;j++)
- { // avoid round off error when possible
- if (split->normal[j] == 1)
- mid[j] = split->dist;
- else if (split->normal[j] == -1)
- mid[j] = -split->dist;
- else
- mid[j] = p1[j] + dot*(p2[j]-p1[j]);
+ {
+ // yes the mins/maxs are ints
+ out->mins[j] = LittleLong(in->mins[j]) - 1;
+ out->maxs[j] = LittleLong(in->maxs[j]) + 1;
}
-
- VectorCopy (mid, f->points[f->numpoints]);
- f->numpoints++;
- VectorCopy (mid, b->points[b->numpoints]);
- b->numpoints++;
+ n = LittleLong(in->firstleafface);
+ c = LittleLong(in->numleaffaces);
+ if (n < 0 || n + c > loadmodel->brushq3.num_leaffaces)
+ Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafface range %i : %i (%i leaffaces)\n", n, n + c, loadmodel->brushq3.num_leaffaces);
+ out->firstleafface = loadmodel->brushq3.data_leaffaces + n;
+ out->numleaffaces = c;
+ n = LittleLong(in->firstleafbrush);
+ c = LittleLong(in->numleafbrushes);
+ if (n < 0 || n + c > loadmodel->brushq3.num_leafbrushes)
+ Host_Error("Mod_Q3BSP_LoadLeafs: invalid leafbrush range %i : %i (%i leafbrushes)\n", n, n + c, loadmodel->brushq3.num_leafbrushes);
+ out->firstleafbrush = loadmodel->brushq3.data_leafbrushes + n;
+ out->numleafbrushes = c;
}
}
-typedef struct portal_s
-{
- mplane_t plane;
- mnode_t *nodes[2]; // [0] = front side of plane
- struct portal_s *next[2];
- winding_t *winding;
- struct portal_s *chain; // all portals are linked into a list
-}
-portal_t;
-
-static portal_t *portalchain;
-
-/*
-===========
-AllocPortal
-===========
-*/
-static portal_t *AllocPortal (void)
-{
- portal_t *p;
- p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
- p->chain = portalchain;
- portalchain = p;
- return p;
-}
-
-static void FreePortal(portal_t *p)
+static void Mod_Q3BSP_LoadNodes_RecursiveSetParent(q3mnode_t *node, q3mnode_t *parent)
{
- Mem_Free(p);
+ if (node->parent)
+ Host_Error("Mod_Q3BSP_LoadNodes_RecursiveSetParent: runaway recursion\n");
+ node->parent = parent;
+ if (node->plane)
+ {
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[0], node);
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(node->children[1], node);
+ }
}
-static void Mod_RecursiveRecalcNodeBBox(mnode_t *node)
+static void Mod_Q3BSP_LoadNodes(lump_t *l)
{
- // calculate children first
- if (node->children[0]->contents >= 0)
- Mod_RecursiveRecalcNodeBBox(node->children[0]);
- if (node->children[1]->contents >= 0)
- Mod_RecursiveRecalcNodeBBox(node->children[1]);
+ q3dnode_t *in;
+ q3mnode_t *out;
+ int i, j, n, count;
- // make combined bounding box from children
- node->mins[0] = min(node->children[0]->mins[0], node->children[1]->mins[0]);
- node->mins[1] = min(node->children[0]->mins[1], node->children[1]->mins[1]);
- node->mins[2] = min(node->children[0]->mins[2], node->children[1]->mins[2]);
- node->maxs[0] = max(node->children[0]->maxs[0], node->children[1]->maxs[0]);
- node->maxs[1] = max(node->children[0]->maxs[1], node->children[1]->maxs[1]);
- node->maxs[2] = max(node->children[0]->maxs[2], node->children[1]->maxs[2]);
-}
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+ count = l->filelen / sizeof(*in);
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
-static void Mod_FinalizePortals(void)
-{
- int i, j, numportals, numpoints;
- portal_t *p, *pnext;
- mportal_t *portal;
- mvertex_t *point;
- mleaf_t *leaf, *endleaf;
- winding_t *w;
+ loadmodel->brushq3.data_nodes = out;
+ loadmodel->brushq3.num_nodes = count;
- // recalculate bounding boxes for all leafs (because qbsp is very sloppy)
- leaf = loadmodel->leafs;
- endleaf = leaf + loadmodel->numleafs;
- for (;leaf < endleaf;leaf++)
- {
- VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000);
- VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000);
- }
- p = portalchain;
- while(p)
+ for (i = 0;i < count;i++, in++, out++)
{
- if (p->winding)
+ out->parent = NULL;
+ n = LittleLong(in->planeindex);
+ if (n < 0 || n >= loadmodel->brushq3.num_planes)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid planeindex %i (%i planes)\n", n, loadmodel->brushq3.num_planes);
+ out->plane = loadmodel->brushq3.data_planes + n;
+ for (j = 0;j < 2;j++)
{
- for (i = 0;i < 2;i++)
+ n = LittleLong(in->childrenindex[j]);
+ if (n >= 0)
{
- leaf = (mleaf_t *)p->nodes[i];
- w = p->winding;
- for (j = 0;j < w->numpoints;j++)
- {
- if (leaf->mins[0] > w->points[j][0]) leaf->mins[0] = w->points[j][0];
- if (leaf->mins[1] > w->points[j][1]) leaf->mins[1] = w->points[j][1];
- if (leaf->mins[2] > w->points[j][2]) leaf->mins[2] = w->points[j][2];
- if (leaf->maxs[0] < w->points[j][0]) leaf->maxs[0] = w->points[j][0];
- if (leaf->maxs[1] < w->points[j][1]) leaf->maxs[1] = w->points[j][1];
- if (leaf->maxs[2] < w->points[j][2]) leaf->maxs[2] = w->points[j][2];
- }
+ if (n >= loadmodel->brushq3.num_nodes)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid child node index %i (%i nodes)\n", n, loadmodel->brushq3.num_nodes);
+ out->children[j] = loadmodel->brushq3.data_nodes + n;
+ }
+ else
+ {
+ n = -1 - n;
+ if (n >= loadmodel->brushq3.num_leafs)
+ Host_Error("Mod_Q3BSP_LoadNodes: invalid child leaf index %i (%i leafs)\n", n, loadmodel->brushq3.num_leafs);
+ out->children[j] = (q3mnode_t *)(loadmodel->brushq3.data_leafs + n);
}
}
- p = p->chain;
+ for (j = 0;j < 3;j++)
+ {
+ // yes the mins/maxs are ints
+ out->mins[j] = LittleLong(in->mins[j]) - 1;
+ out->maxs[j] = LittleLong(in->maxs[j]) + 1;
+ }
}
- Mod_RecursiveRecalcNodeBBox(loadmodel->nodes);
+ // set the parent pointers
+ Mod_Q3BSP_LoadNodes_RecursiveSetParent(loadmodel->brushq3.data_nodes, NULL);
+}
- // tally up portal and point counts
- p = portalchain;
- numportals = 0;
- numpoints = 0;
- while(p)
+static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
+{
+ q3dlightgrid_t *in;
+ q3dlightgrid_t *out;
+ int count;
+
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen % sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
+ loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
+ loadmodel->brushq3.num_lightgrid_scale[1] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[1];
+ loadmodel->brushq3.num_lightgrid_scale[2] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[2];
+ loadmodel->brushq3.num_lightgrid_imins[0] = ceil(loadmodel->brushq3.data_models->mins[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
+ loadmodel->brushq3.num_lightgrid_imins[1] = ceil(loadmodel->brushq3.data_models->mins[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
+ loadmodel->brushq3.num_lightgrid_imins[2] = ceil(loadmodel->brushq3.data_models->mins[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
+ loadmodel->brushq3.num_lightgrid_imaxs[0] = floor(loadmodel->brushq3.data_models->maxs[0] * loadmodel->brushq3.num_lightgrid_scale[0]);
+ loadmodel->brushq3.num_lightgrid_imaxs[1] = floor(loadmodel->brushq3.data_models->maxs[1] * loadmodel->brushq3.num_lightgrid_scale[1]);
+ loadmodel->brushq3.num_lightgrid_imaxs[2] = floor(loadmodel->brushq3.data_models->maxs[2] * loadmodel->brushq3.num_lightgrid_scale[2]);
+ loadmodel->brushq3.num_lightgrid_isize[0] = loadmodel->brushq3.num_lightgrid_imaxs[0] - loadmodel->brushq3.num_lightgrid_imins[0] + 1;
+ loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
+ loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
+ count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
+ if (l->filelen)
{
- // note: this check must match the one below or it will usually corrupt memory
- // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
- if (p->winding && p->nodes[0] != p->nodes[1]
- && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
- && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
+ if (l->filelen < count * (int)sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)\n", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
+ if (l->filelen != count * (int)sizeof(*in))
+ Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
+ }
+
+ out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+ loadmodel->brushq3.data_lightgrid = out;
+ loadmodel->brushq3.num_lightgrid = count;
+
+ // no swapping or validation necessary
+ if (l->filelen)
+ memcpy(out, in, count * (int)sizeof(*out));
+ else
+ {
+ // no data, fill with white
+ int i;
+ for (i = 0;i < count;i++)
{
- numportals += 2;
- numpoints += p->winding->numpoints * 2;
+ out[i].ambientrgb[0] = 128;
+ out[i].ambientrgb[1] = 128;
+ out[i].ambientrgb[2] = 128;
+ out[i].diffusergb[0] = 0;
+ out[i].diffusergb[1] = 0;
+ out[i].diffusergb[2] = 0;
+ out[i].diffusepitch = 0;
+ out[i].diffuseyaw = 0;
}
- p = p->chain;
}
- loadmodel->portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
- loadmodel->numportals = numportals;
- loadmodel->portalpoints = (void *) ((qbyte *) loadmodel->portals + numportals * sizeof(mportal_t));
- loadmodel->numportalpoints = numpoints;
- // clear all leaf portal chains
- for (i = 0;i < loadmodel->numleafs;i++)
- loadmodel->leafs[i].portals = NULL;
- // process all portals in the global portal chain, while freeing them
- portal = loadmodel->portals;
- point = loadmodel->portalpoints;
- p = portalchain;
- portalchain = NULL;
- while (p)
- {
- pnext = p->chain;
- if (p->winding)
- {
- // note: this check must match the one above or it will usually corrupt memory
- // the nodes[0] != nodes[1] check is because leaf 0 is the shared solid leaf, it can have many portals inside with leaf 0 on both sides
- if (p->nodes[0] != p->nodes[1]
- && p->nodes[0]->contents != CONTENTS_SOLID && p->nodes[1]->contents != CONTENTS_SOLID
- && p->nodes[0]->contents != CONTENTS_SKY && p->nodes[1]->contents != CONTENTS_SKY)
- {
- // first make the back to front portal (forward portal)
- portal->points = point;
- portal->numpoints = p->winding->numpoints;
- portal->plane.dist = p->plane.dist;
- VectorCopy(p->plane.normal, portal->plane.normal);
- portal->here = (mleaf_t *)p->nodes[1];
- portal->past = (mleaf_t *)p->nodes[0];
- // copy points
- for (j = 0;j < portal->numpoints;j++)
- {
- VectorCopy(p->winding->points[j], point->position);
- point++;
- }
- PlaneClassify(&portal->plane);
+ Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
+ Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
+}
- // link into leaf's portal chain
- portal->next = portal->here->portals;
- portal->here->portals = portal;
+static void Mod_Q3BSP_LoadPVS(lump_t *l)
+{
+ q3dpvs_t *in;
+ int totalchains;
- // advance to next portal
- portal++;
+ if (l->filelen == 0)
+ {
+ int i;
+ // unvised maps often have cluster indices even without pvs, so check
+ // leafs to find real number of clusters
+ loadmodel->brush.num_pvsclusters = 1;
+ for (i = 0;i < loadmodel->brushq3.num_leafs;i++)
+ loadmodel->brush.num_pvsclusters = min(loadmodel->brush.num_pvsclusters, loadmodel->brushq3.data_leafs[i].clusterindex + 1);
+
+ // create clusters
+ loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
+ totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
+ loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+ memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
+ return;
+ }
- // then make the front to back portal (backward portal)
- portal->points = point;
- portal->numpoints = p->winding->numpoints;
- portal->plane.dist = -p->plane.dist;
- VectorNegate(p->plane.normal, portal->plane.normal);
- portal->here = (mleaf_t *)p->nodes[0];
- portal->past = (mleaf_t *)p->nodes[1];
- // copy points
- for (j = portal->numpoints - 1;j >= 0;j--)
- {
- VectorCopy(p->winding->points[j], point->position);
- point++;
- }
- PlaneClassify(&portal->plane);
+ in = (void *)(mod_base + l->fileofs);
+ if (l->filelen < 9)
+ Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
+
+ loadmodel->brush.num_pvsclusters = LittleLong(in->numclusters);
+ loadmodel->brush.num_pvsclusterbytes = LittleLong(in->chainlength);
+ if (loadmodel->brush.num_pvsclusterbytes < ((loadmodel->brush.num_pvsclusters + 7) / 8))
+ Host_Error("Mod_Q3BSP_LoadPVS: (chainlength = %i) < ((numclusters = %i) + 7) / 8\n", loadmodel->brush.num_pvsclusterbytes, loadmodel->brush.num_pvsclusters);
+ totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
+ if (l->filelen < totalchains + (int)sizeof(*in))
+ Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)\n", loadmodel->brush.num_pvsclusters, loadmodel->brush.num_pvsclusterbytes, totalchains + sizeof(*in), l->filelen);
+
+ loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+ memcpy(loadmodel->brush.data_pvsclusters, (qbyte *)(in + 1), totalchains);
+}
- // link into leaf's portal chain
- portal->next = portal->here->portals;
- portal->here->portals = portal;
+static void Mod_Q3BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, vec_t radius)
+{
+ // FIXME: finish this code
+ VectorCopy(in, out);
+}
- // advance to next portal
- portal++;
+static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
+{
+ int i, j, k, index[3];
+ float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
+ q3dlightgrid_t *a, *s;
+ // FIXME: write this
+ if (!model->brushq3.num_lightgrid)
+ {
+ ambientcolor[0] = 1;
+ ambientcolor[1] = 1;
+ ambientcolor[2] = 1;
+ return;
+ }
+ Matrix4x4_Transform(&model->brushq3.num_lightgrid_indexfromworld, p, transformed);
+ //Matrix4x4_Print(&model->brushq3.num_lightgrid_indexfromworld);
+ //Con_Printf("%f %f %f transformed %f %f %f clamped ", p[0], p[1], p[2], transformed[0], transformed[1], transformed[2]);
+ transformed[0] = bound(0, transformed[0], model->brushq3.num_lightgrid_isize[0] - 1);
+ transformed[1] = bound(0, transformed[1], model->brushq3.num_lightgrid_isize[1] - 1);
+ transformed[2] = bound(0, transformed[2], model->brushq3.num_lightgrid_isize[2] - 1);
+ index[0] = (int)floor(transformed[0]);
+ index[1] = (int)floor(transformed[1]);
+ index[2] = (int)floor(transformed[2]);
+ //Con_Printf("%f %f %f index %i %i %i:\n", transformed[0], transformed[1], transformed[2], index[0], index[1], index[2]);
+ // now lerp the values
+ VectorClear(diffusenormal);
+ a = &model->brushq3.data_lightgrid[(index[2] * model->brushq3.num_lightgrid_isize[1] + index[1]) * model->brushq3.num_lightgrid_isize[0] + index[0]];
+ for (k = 0;k < 2;k++)
+ {
+ blend1 = (k ? (transformed[2] - index[2]) : (1 - (transformed[2] - index[2])));
+ if (blend1 < 0.001f || index[2] + k >= model->brushq3.num_lightgrid_isize[2])
+ continue;
+ for (j = 0;j < 2;j++)
+ {
+ blend2 = blend1 * (j ? (transformed[1] - index[1]) : (1 - (transformed[1] - index[1])));
+ if (blend2 < 0.001f || index[1] + j >= model->brushq3.num_lightgrid_isize[1])
+ continue;
+ for (i = 0;i < 2;i++)
+ {
+ blend = blend2 * (i ? (transformed[0] - index[0]) : (1 - (transformed[0] - index[0])));
+ if (blend < 0.001f || index[0] + i >= model->brushq3.num_lightgrid_isize[0])
+ continue;
+ s = a + (k * model->brushq3.num_lightgrid_isize[1] + j) * model->brushq3.num_lightgrid_isize[0] + i;
+ VectorMA(ambientcolor, blend * (1.0f / 128.0f), s->ambientrgb, ambientcolor);
+ VectorMA(diffusecolor, blend * (1.0f / 128.0f), s->diffusergb, diffusecolor);
+ pitch = s->diffusepitch * M_PI / 128;
+ yaw = s->diffuseyaw * M_PI / 128;
+ sinpitch = sin(pitch);
+ diffusenormal[0] += blend * (cos(yaw) * sinpitch);
+ diffusenormal[1] += blend * (sin(yaw) * sinpitch);
+ diffusenormal[2] += blend * (cos(pitch));
+ //Con_Printf("blend %f: ambient %i %i %i, diffuse %i %i %i, diffusepitch %i diffuseyaw %i (%f %f, normal %f %f %f)\n", blend, s->ambientrgb[0], s->ambientrgb[1], s->ambientrgb[2], s->diffusergb[0], s->diffusergb[1], s->diffusergb[2], s->diffusepitch, s->diffuseyaw, pitch, yaw, (cos(yaw) * cospitch), (sin(yaw) * cospitch), (-sin(pitch)));
}
- FreeWinding(p->winding);
}
- FreePortal(p);
- p = pnext;
}
+ VectorNormalize(diffusenormal);
+ //Con_Printf("result: ambient %f %f %f diffuse %f %f %f diffusenormal %f %f %f\n", ambientcolor[0], ambientcolor[1], ambientcolor[2], diffusecolor[0], diffusecolor[1], diffusecolor[2], diffusenormal[0], diffusenormal[1], diffusenormal[2]);
}
-/*
-=============
-AddPortalToNodes
-=============
-*/
-static void AddPortalToNodes (portal_t *p, mnode_t *front, mnode_t *back)
+static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const vec3_t point, int markframe)
{
- if (!front)
- Host_Error ("AddPortalToNodes: NULL front node");
- if (!back)
- Host_Error ("AddPortalToNodes: NULL back node");
- if (p->nodes[0] || p->nodes[1])
- Host_Error ("AddPortalToNodes: already included");
- // note: front == back is handled gracefully, because leaf 0 is the shared solid leaf, it can often have portals with the same leaf on both sides
-
- p->nodes[0] = front;
- p->next[0] = (portal_t *)front->portals;
- front->portals = (mportal_t *)p;
-
- p->nodes[1] = back;
- p->next[1] = (portal_t *)back->portals;
- back->portals = (mportal_t *)p;
+ int i;
+ q3mleaf_t *leaf;
+ colbrushf_t *brush;
+ // find which leaf the point is in
+ while (node->plane)
+ node = node->children[DotProduct(point, node->plane->normal) < node->plane->dist];
+ // point trace the brushes
+ leaf = (q3mleaf_t *)node;
+ for (i = 0;i < leaf->numleafbrushes;i++)
+ {
+ brush = leaf->firstleafbrush[i]->colbrushf;
+ if (brush && brush->markframe != markframe && BoxesOverlap(point, point, brush->mins, brush->maxs))
+ {
+ brush->markframe = markframe;
+ Collision_TracePointBrushFloat(trace, point, leaf->firstleafbrush[i]->colbrushf);
+ }
+ }
+ // can't do point traces on curves (they have no thickness)
}
-/*
-=============
-RemovePortalFromNode
-=============
-*/
-static void RemovePortalFromNodes(portal_t *portal)
+static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const vec3_t start, const vec3_t end, vec_t startfrac, vec_t endfrac, const vec3_t linestart, const vec3_t lineend, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
{
- int i;
- mnode_t *node;
- void **portalpointer;
- portal_t *t;
- for (i = 0;i < 2;i++)
+ int i, startside, endside;
+ float dist1, dist2, midfrac, mid[3], nodesegmentmins[3], nodesegmentmaxs[3];
+ q3mleaf_t *leaf;
+ q3msurface_t *face;
+ colbrushf_t *brush;
+ if (startfrac > trace->realfraction)
+ return;
+ // note: all line fragments past first impact fraction are ignored
+ if (VectorCompare(start, end))
{
- node = portal->nodes[i];
-
- portalpointer = (void **) &node->portals;
- while (1)
+ // find which leaf the point is in
+ while (node->plane)
+ node = node->children[DotProduct(start, node->plane->normal) < node->plane->dist];
+ }
+ else
+ {
+ // find which nodes the line is in and recurse for them
+ while (node->plane)
{
- t = *portalpointer;
- if (!t)
- Host_Error ("RemovePortalFromNodes: portal not in leaf");
+ // recurse down node sides
+ dist1 = PlaneDiff(start, node->plane);
+ dist2 = PlaneDiff(end, node->plane);
+ startside = dist1 < 0;
+ endside = dist2 < 0;
+ if (startside == endside)
+ {
+ // most of the time the line fragment is on one side of the plane
+ node = node->children[startside];
+ }
+ else
+ {
+ // line crosses node plane, split the line
+ midfrac = dist1 / (dist1 - dist2);
+ VectorLerp(start, midfrac, end, mid);
+ // take the near side first
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ if (midfrac <= trace->realfraction)
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ return;
+ }
+ }
+ }
+ // hit a leaf
+ nodesegmentmins[0] = min(start[0], end[0]);
+ nodesegmentmins[1] = min(start[1], end[1]);
+ nodesegmentmins[2] = min(start[2], end[2]);
+ nodesegmentmaxs[0] = max(start[0], end[0]);
+ nodesegmentmaxs[1] = max(start[1], end[1]);
+ nodesegmentmaxs[2] = max(start[2], end[2]);
+ // line trace the brushes
+ leaf = (q3mleaf_t *)node;
+ for (i = 0;i < leaf->numleafbrushes;i++)
+ {
+ brush = leaf->firstleafbrush[i]->colbrushf;
+ if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
+ {
+ brush->markframe = markframe;
+ Collision_TraceLineBrushFloat(trace, linestart, lineend, leaf->firstleafbrush[i]->colbrushf, leaf->firstleafbrush[i]->colbrushf);
+ if (startfrac > trace->realfraction)
+ return;
+ }
+ }
+ // can't do point traces on curves (they have no thickness)
+ if (mod_q3bsp_curves_collisions.integer && !VectorCompare(start, end))
+ {
+ // line trace the curves
+ for (i = 0;i < leaf->numleaffaces;i++)
+ {
+ face = leaf->firstleafface[i];
+ if (face->collisions && face->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, face->mins, face->maxs))
+ {
+ face->collisionmarkframe = markframe;
+ Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, face->num_collisiontriangles, face->data_collisionelement3i, face->data_collisionvertex3f, face->texture->supercontents, segmentmins, segmentmaxs);
+ if (startfrac > trace->realfraction)
+ return;
+ }
+ }
+ }
+}
- if (t == portal)
+static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, q3mnode_t *node, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, int markframe, const vec3_t segmentmins, const vec3_t segmentmaxs)
+{
+ int i;
+ //int sides;
+ float nodesegmentmins[3], nodesegmentmaxs[3];
+ q3mleaf_t *leaf;
+ colbrushf_t *brush;
+ q3msurface_t *face;
+ /*
+ // find which nodes the line is in and recurse for them
+ while (node->plane)
+ {
+ // recurse down node sides
+ int startside, endside;
+ float dist1near, dist1far, dist2near, dist2far;
+ BoxPlaneCornerDistances(thisbrush_start->mins, thisbrush_start->maxs, node->plane, &dist1near, &dist1far);
+ BoxPlaneCornerDistances(thisbrush_end->mins, thisbrush_end->maxs, node->plane, &dist2near, &dist2far);
+ startside = dist1near < 0;
+ startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
+ endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
+ if (startside == 2 || endside == 2)
{
- if (portal->nodes[0] == node)
+ // brushes cross plane
+ // do not clip anything, just take both sides
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ if (startside == 0)
+ {
+ if (endside == 0)
{
- *portalpointer = portal->next[0];
- portal->nodes[0] = NULL;
+ node = node->children[0];
+ continue;
}
- else if (portal->nodes[1] == node)
+ else
{
- *portalpointer = portal->next[1];
- portal->nodes[1] = NULL;
+ //midf0 = dist1near / (dist1near - dist2near);
+ //midf1 = dist1far / (dist1far - dist2far);
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ }
+ else
+ {
+ if (endside == 0)
+ {
+ //midf0 = dist1near / (dist1near - dist2near);
+ //midf1 = dist1far / (dist1far - dist2far);
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
}
else
- Host_Error ("RemovePortalFromNodes: portal not bounding leaf");
- break;
+ {
+ node = node->children[1];
+ continue;
+ }
}
- if (t->nodes[0] == node)
- portalpointer = (void **) &t->next[0];
- else if (t->nodes[1] == node)
- portalpointer = (void **) &t->next[1];
+ if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){}
+ if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near < 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far < 0){node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far < 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far < 0){}
+ if (dist1near >= 0 && dist2near < 0 && dist1far >= 0 && dist2far >= 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far < 0){Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);node = node->children[1];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far < 0 && dist2far >= 0){node = node->children[0];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far < 0){node = node->children[0];continue;}
+ if (dist1near >= 0 && dist2near >= 0 && dist1far >= 0 && dist2far >= 0){node = node->children[0];continue;}
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ else // d1n<0 && d2n>0
+ {
+ if (dist2near < 0) // d1n<0 && d2n<0
+ {
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ }
+ else // d1n<0 && d2n>0
+ {
+ }
+ }
+ else // d1n>0
+ {
+ if (dist2near < 0) // d1n>0 && d2n<0
+ {
+ }
+ else // d1n>0 && d2n>0
+ {
+ }
+ }
+ if (dist1near < 0 == dist1far < 0 == dist2near < 0 == dist2far < 0)
+ {
+ node = node->children[startside];
+ continue;
+ }
+ if (dist1near < dist2near)
+ {
+ // out
+ if (dist1near >= 0)
+ {
+ node = node->children[0];
+ continue;
+ }
+ if (dist2far < 0)
+ {
+ node = node->children[1];
+ continue;
+ }
+ // dist1near < 0 && dist2far >= 0
+ }
+ else
+ {
+ // in
+ }
+ startside = dist1near < 0 ? (dist1far < 0 ? 1 : 2) : (dist1far < 0 ? 2 : 0);
+ endside = dist2near < 0 ? (dist2far < 0 ? 1 : 2) : (dist2far < 0 ? 2 : 0);
+ if (startside == 2 || endside == 2)
+ {
+ // brushes cross plane
+ // do not clip anything, just take both sides
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else if (startside == endside)
+ node = node->children[startside];
+ else if (startside == 0) // endside = 1 (start infront, end behind)
+ {
+ }
+ else // startside == 1 endside = 0 (start behind, end infront)
+ {
+ }
+ == endside)
+ {
+ if (startside < 2)
+ node = node->children[startside];
+ else
+ {
+ // start and end brush cross plane
+ }
+ }
+ else
+ {
+ }
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ node = node->children[1];
+ else if (dist1near < 0 && dist1far < 0 && dist2near >= 0 && dist2far >= 0)
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near < 0 && dist2far < 0)
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
+ node = node->children[0];
+ else
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ {
+ }
+ else if (dist1near >= 0 && dist1far >= 0)
+ {
+ }
+ else // mixed (lying on plane)
+ {
+ }
+ {
+ if (dist2near < 0 && dist2far < 0)
+ {
+ }
+ else
+ node = node->children[1];
+ }
+ if (dist1near < 0 && dist1far < 0 && dist2near < 0 && dist2far < 0)
+ node = node->children[0];
+ else if (dist1near >= 0 && dist1far >= 0 && dist2near >= 0 && dist2far >= 0)
+ node = node->children[1];
else
- Host_Error ("RemovePortalFromNodes: portal not bounding leaf");
+ {
+ // both sides
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ sides = dist1near || dist1near < 0 | dist1far < 0 | dist2near < 0 | dist
+ startside = dist1 < 0;
+ endside = dist2 < 0;
+ if (startside == endside)
+ {
+ // most of the time the line fragment is on one side of the plane
+ node = node->children[startside];
+ }
+ else
+ {
+ // line crosses node plane, split the line
+ midfrac = dist1 / (dist1 - dist2);
+ VectorLerp(start, midfrac, end, mid);
+ // take the near side first
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[startside], start, mid, startfrac, midfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ if (midfrac <= trace->fraction)
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs);
+ return;
+ }
}
+ */
+#if 1
+ for (;;)
+ {
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
}
-}
-
-static void Mod_RecursiveNodePortals (mnode_t *node)
-{
- int side;
- mnode_t *front, *back, *other_node;
- mplane_t clipplane, *plane;
- portal_t *portal, *nextportal, *nodeportal, *splitportal, *temp;
- winding_t *nodeportalwinding, *frontwinding, *backwinding;
-
- // if a leaf, we're done
- if (node->contents)
+#elif 0
+ // FIXME: could be made faster by copying TraceLine code and making it use
+ // box plane distances... (variant on the BoxOnPlaneSide code)
+ for (;;)
+ {
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ if (mod_q3bsp_debugtracebrush.integer == 2)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ else if (mod_q3bsp_debugtracebrush.integer == 1)
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ continue;
+ }
+ else
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
+ sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
+ if (sides == 3)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ continue;
+ }
+ }
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ continue;
+ }
return;
-
- plane = node->plane;
-
- front = node->children[0];
- back = node->children[1];
- if (front == back)
- Host_Error("Mod_RecursiveNodePortals: corrupt node hierarchy");
-
- // create the new portal by generating a polygon for the node plane,
- // and clipping it by all of the other portals (which came from nodes above this one)
- nodeportal = AllocPortal ();
- nodeportal->plane = *node->plane;
-
- nodeportalwinding = BaseWindingForPlane (node->plane);
- side = 0; // shut up compiler warning
- for (portal = (portal_t *)node->portals;portal;portal = portal->next[side])
+ }
+#else
+ // FIXME: could be made faster by copying TraceLine code and making it use
+ // box plane distances... (variant on the BoxOnPlaneSide code)
+ for (;;)
{
- clipplane = portal->plane;
- if (portal->nodes[0] == portal->nodes[1])
- Host_Error("Mod_RecursiveNodePortals: portal has same node on both sides (1)");
- if (portal->nodes[0] == node)
- side = 0;
- else if (portal->nodes[1] == node)
+ nodesegmentmins[0] = max(segmentmins[0], node->mins[0]);
+ nodesegmentmins[1] = max(segmentmins[1], node->mins[1]);
+ nodesegmentmins[2] = max(segmentmins[2], node->mins[2]);
+ nodesegmentmaxs[0] = min(segmentmaxs[0], node->maxs[0]);
+ nodesegmentmaxs[1] = min(segmentmaxs[1], node->maxs[1]);
+ nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2]);
+ if (nodesegmentmins[0] > nodesegmentmaxs[0] || nodesegmentmins[1] > nodesegmentmaxs[1] || nodesegmentmins[2] > nodesegmentmaxs[2])
+ return;
+ if (!node->plane)
+ break;
+ if (mod_q3bsp_debugtracebrush.integer == 2)
{
- clipplane.dist = -clipplane.dist;
- VectorNegate (clipplane.normal, clipplane.normal);
- side = 1;
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else if (mod_q3bsp_debugtracebrush.integer == 1)
+ {
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ node = node->children[1];
+ }
+ else
+ {
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ }
}
else
- Host_Error ("Mod_RecursiveNodePortals: mislinked portal");
-
- nodeportalwinding = ClipWinding (nodeportalwinding, &clipplane, true);
- if (!nodeportalwinding)
{
- printf ("Mod_RecursiveNodePortals: WARNING: new portal was clipped away\n");
- break;
+ // recurse down node sides
+ sides = BoxOnPlaneSide(nodesegmentmins, nodesegmentmaxs, node->plane);
+ if (sides == 3)
+ {
+ // segment box crosses plane
+ // now check start and end brush boxes to handle a lot of 'diagonal' cases more efficiently...
+ sides = BoxOnPlaneSide(thisbrush_start->mins, thisbrush_start->maxs, node->plane) | BoxOnPlaneSide(thisbrush_end->mins, thisbrush_end->maxs, node->plane);
+ if (sides == 3)
+ {
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs);
+ sides = 2;
+ }
+ }
+ // take whichever side the segment box is on
+ node = node->children[sides - 1];
+ }
+ }
+#endif
+ // hit a leaf
+ leaf = (q3mleaf_t *)node;
+ for (i = 0;i < leaf->numleafbrushes;i++)
+ {
+ brush = leaf->firstleafbrush[i]->colbrushf;
+ if (brush && brush->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, brush->mins, brush->maxs))
+ {
+ brush->markframe = markframe;
+ Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, leaf->firstleafbrush[i]->colbrushf, leaf->firstleafbrush[i]->colbrushf);
}
}
-
- if (nodeportalwinding)
+ if (mod_q3bsp_curves_collisions.integer)
{
- // if the plane was not clipped on all sides, there was an error
- nodeportal->winding = nodeportalwinding;
- AddPortalToNodes (nodeportal, front, back);
+ for (i = 0;i < leaf->numleaffaces;i++)
+ {
+ face = leaf->firstleafface[i];
+ if (face->collisions && face->markframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, face->mins, face->maxs))
+ {
+ face->markframe = markframe;
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, face->num_collisiontriangles, face->data_collisionelement3i, face->data_collisionvertex3f, face->texture->supercontents, segmentmins, segmentmaxs);
+ }
+ }
}
+}
- // split the portals of this node along this node's plane and assign them to the children of this node
- // (migrating the portals downward through the tree)
- for (portal = (portal_t *)node->portals;portal;portal = nextportal)
+static void Mod_Q3BSP_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
+{
+ int i;
+ float segmentmins[3], segmentmaxs[3];
+ colbrushf_t *thisbrush_start, *thisbrush_end;
+ matrix4x4_t startmatrix, endmatrix;
+ static int markframe = 0;
+ q3msurface_t *face;
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ Matrix4x4_CreateIdentity(&startmatrix);
+ Matrix4x4_CreateIdentity(&endmatrix);
+ segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
+ segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
+ segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
+ segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
+ segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
+ segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
+ if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
{
- if (portal->nodes[0] == portal->nodes[1])
- Host_Error("Mod_RecursiveNodePortals: portal has same node on both sides (2)");
- if (portal->nodes[0] == node)
- side = 0;
- else if (portal->nodes[1] == node)
- side = 1;
- else
- Host_Error ("Mod_RecursiveNodePortals: mislinked portal");
- nextportal = portal->next[side];
-
- other_node = portal->nodes[!side];
- RemovePortalFromNodes (portal);
-
- // cut the portal into two portals, one on each side of the node plane
- DivideWinding (portal->winding, plane, &frontwinding, &backwinding);
-
- if (!frontwinding)
+ if (VectorCompare(boxstartmins, boxendmins))
{
- if (side == 0)
- AddPortalToNodes (portal, back, other_node);
+ // point trace
+ if (model->brushq3.submodel)
+ {
+ for (i = 0;i < model->brushq3.data_thismodel->numbrushes;i++)
+ if (model->brushq3.data_thismodel->firstbrush[i].colbrushf)
+ Collision_TracePointBrushFloat(trace, boxstartmins, model->brushq3.data_thismodel->firstbrush[i].colbrushf);
+ }
else
- AddPortalToNodes (portal, other_node, back);
- continue;
+ Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace, model->brushq3.data_nodes, boxstartmins, ++markframe);
}
- if (!backwinding)
+ else
{
- if (side == 0)
- AddPortalToNodes (portal, front, other_node);
+ // line trace
+ if (model->brushq3.submodel)
+ {
+ for (i = 0;i < model->brushq3.data_thismodel->numbrushes;i++)
+ if (model->brushq3.data_thismodel->firstbrush[i].colbrushf)
+ Collision_TraceLineBrushFloat(trace, boxstartmins, boxendmins, model->brushq3.data_thismodel->firstbrush[i].colbrushf, model->brushq3.data_thismodel->firstbrush[i].colbrushf);
+ if (mod_q3bsp_curves_collisions.integer)
+ {
+ for (i = 0;i < model->brushq3.data_thismodel->numfaces;i++)
+ {
+ face = model->brushq3.data_thismodel->firstface + i;
+ if (face->collisions)
+ Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, face->num_collisiontriangles, face->data_collisionelement3i, face->data_collisionvertex3f, face->texture->supercontents, segmentmins, segmentmaxs);
+ }
+ }
+ }
else
- AddPortalToNodes (portal, other_node, front);
- continue;
+ Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model->brushq3.data_nodes, boxstartmins, boxendmins, 0, 1, boxstartmins, boxendmins, ++markframe, segmentmins, segmentmaxs);
}
-
- // the winding is split
- splitportal = AllocPortal ();
- temp = splitportal->chain;
- *splitportal = *portal;
- splitportal->chain = temp;
- splitportal->winding = backwinding;
- FreeWinding (portal->winding);
- portal->winding = frontwinding;
-
- if (side == 0)
+ }
+ else
+ {
+ // box trace, performed as brush trace
+ thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
+ thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
+ if (model->brushq3.submodel)
{
- AddPortalToNodes (portal, front, other_node);
- AddPortalToNodes (splitportal, back, other_node);
+ for (i = 0;i < model->brushq3.data_thismodel->numbrushes;i++)
+ if (model->brushq3.data_thismodel->firstbrush[i].colbrushf)
+ Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, model->brushq3.data_thismodel->firstbrush[i].colbrushf, model->brushq3.data_thismodel->firstbrush[i].colbrushf);
+ if (mod_q3bsp_curves_collisions.integer)
+ {
+ for (i = 0;i < model->brushq3.data_thismodel->numfaces;i++)
+ {
+ face = model->brushq3.data_thismodel->firstface + i;
+ if (face->collisions)
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, face->num_collisiontriangles, face->data_collisionelement3i, face->data_collisionvertex3f, face->texture->supercontents, segmentmins, segmentmaxs);
+ }
+ }
}
else
- {
- AddPortalToNodes (portal, other_node, front);
- AddPortalToNodes (splitportal, other_node, back);
- }
+ Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model->brushq3.data_nodes, thisbrush_start, thisbrush_end, ++markframe, segmentmins, segmentmaxs);
}
-
- Mod_RecursiveNodePortals(front);
- Mod_RecursiveNodePortals(back);
-}
-
-
-static void Mod_MakePortals(void)
-{
- portalchain = NULL;
- Mod_RecursiveNodePortals (loadmodel->nodes);
- Mod_FinalizePortals();
}
-static void Mod_BuildSurfaceNeighbors (msurface_t *surfaces, int numsurfaces, mempool_t *mempool)
+static int Mod_Q3BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
{
-#if 0
- int surfnum, vertnum, vertnum2, snum, vnum, vnum2;
- msurface_t *surf, *s;
- float *v0, *v1, *v2, *v3;
- for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
- surf->neighborsurfaces = Mem_Alloc(mempool, surf->poly_numverts * sizeof(msurface_t *));
- for (surf = surfaces, surfnum = 0;surfnum < numsurfaces;surf++, surfnum++)
+ int clusterindex, side, nodestackindex = 0;
+ q3mnode_t *node, *nodestack[1024];
+ node = model->brushq3.data_nodes;
+ if (!model->brush.num_pvsclusters)
+ return true;
+ for (;;)
{
- for (vertnum = surf->poly_numverts - 1, vertnum2 = 0, v0 = surf->poly_verts + (surf->poly_numverts - 1) * 3, v1 = surf->poly_verts;vertnum2 < surf->poly_numverts;vertnum = vertnum2, vertnum2++, v0 = v1, v1 += 3)
+ if (node->plane)
{
- if (surf->neighborsurfaces[vertnum])
- continue;
- surf->neighborsurfaces[vertnum] = NULL;
- for (s = surfaces, snum = 0;snum < numsurfaces;s++, snum++)
+ // node - recurse down the BSP tree
+ side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
+ if (side < 2)
{
- if (s->poly_mins[0] > (surf->poly_maxs[0] + 1) || s->poly_maxs[0] < (surf->poly_mins[0] - 1)
- || s->poly_mins[1] > (surf->poly_maxs[1] + 1) || s->poly_maxs[1] < (surf->poly_mins[1] - 1)
- || s->poly_mins[2] > (surf->poly_maxs[2] + 1) || s->poly_maxs[2] < (surf->poly_mins[2] - 1)
- || s == surf)
- continue;
- for (vnum = 0;vnum < s->poly_numverts;vnum++)
- if (s->neighborsurfaces[vnum] == surf)
- break;
- if (vnum < s->poly_numverts)
- continue;
- for (vnum = s->poly_numverts - 1, vnum2 = 0, v2 = s->poly_verts + (s->poly_numverts - 1) * 3, v3 = s->poly_verts;vnum2 < s->poly_numverts;vnum = vnum2, vnum2++, v2 = v3, v3 += 3)
- {
- if (s->neighborsurfaces[vnum] == NULL
- && ((v0[0] == v2[0] && v0[1] == v2[1] && v0[2] == v2[2] && v1[0] == v3[0] && v1[1] == v3[1] && v1[2] == v3[2])
- || (v1[0] == v2[0] && v1[1] == v2[1] && v1[2] == v2[2] && v0[0] == v3[0] && v0[1] == v3[1] && v0[2] == v3[2])))
- {
- surf->neighborsurfaces[vertnum] = s;
- s->neighborsurfaces[vnum] = surf;
- break;
- }
- }
- if (vnum < s->poly_numverts)
+ // box is on one side of plane, take that path
+ node = node->children[side];
+ }
+ else
+ {
+ // box crosses plane, take one path and remember the other
+ nodestack[nodestackindex++] = node->children[0];
+ node = node->children[1];
+ }
+ }
+ else
+ {
+ // leaf - check cluster bit
+ clusterindex = ((q3mleaf_t *)node)->clusterindex;
+#if 0
+ if (clusterindex >= model->brush.num_pvsclusters)
+ {
+ Con_Printf("%i >= %i\n", clusterindex, model->brush.num_pvsclusters);
+ return true;
+ }
+#endif
+ if (CHECKPVSBIT(pvs, clusterindex))
+ {
+ // it is visible, return immediately with the news
+ return true;
+ }
+ else
+ {
+ // nothing to see here, try another path we didn't take earlier
+ if (nodestackindex == 0)
break;
+ node = nodestack[--nodestackindex];
}
}
}
-#endif
+ // it is not visible
+ return false;
}
-void Mod_BuildLightmapUpdateChains(mempool_t *mempool, model_t *model)
+//Returns PVS data for a given point
+//(note: can return NULL)
+static qbyte *Mod_Q3BSP_GetPVS(model_t *model, const vec3_t p)
{
- int i, j, stylecounts[256], totalcount, remapstyles[256];
- msurface_t *surf;
- memset(stylecounts, 0, sizeof(stylecounts));
- for (i = 0;i < model->nummodelsurfaces;i++)
- {
- surf = model->surfaces + model->firstmodelsurface + i;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- stylecounts[surf->styles[j]]++;
- }
- totalcount = 0;
- model->light_styles = 0;
- for (i = 0;i < 255;i++)
+ q3mnode_t *node;
+ Mod_CheckLoaded(model);
+ node = model->brushq3.data_nodes;
+ while (node->plane)
+ node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
+ if (((q3mleaf_t *)node)->clusterindex >= 0)
+ return model->brush.data_pvsclusters + ((q3mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
+ else
+ return NULL;
+}
+
+static void Mod_Q3BSP_FatPVS_RecursiveBSPNode(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbytes, q3mnode_t *node)
+{
+ while (node->plane)
{
- if (stylecounts[i])
+ float d = PlaneDiff(org, node->plane);
+ if (d > radius)
+ node = node->children[0];
+ else if (d < -radius)
+ node = node->children[1];
+ else
{
- remapstyles[i] = model->light_styles++;
- totalcount += stylecounts[i] + 1;
+ // go down both sides
+ Mod_Q3BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, pvsbytes, node->children[0]);
+ node = node->children[1];
}
}
- if (!totalcount)
- return;
- model->light_style = Mem_Alloc(mempool, model->light_styles * sizeof(qbyte));
- model->light_stylevalue = Mem_Alloc(mempool, model->light_styles * sizeof(int));
- model->light_styleupdatechains = Mem_Alloc(mempool, model->light_styles * sizeof(msurface_t **));
- model->light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
- model->light_styles = 0;
- for (i = 0;i < 255;i++)
- if (stylecounts[i])
- model->light_style[model->light_styles++] = i;
- j = 0;
- for (i = 0;i < model->light_styles;i++)
- {
- model->light_styleupdatechains[i] = model->light_styleupdatechainsbuffer + j;
- j += stylecounts[model->light_style[i]] + 1;
- }
- for (i = 0;i < model->nummodelsurfaces;i++)
+ // if this leaf is in a cluster, accumulate the pvs bits
+ if (((q3mleaf_t *)node)->clusterindex >= 0)
{
- surf = model->surfaces + model->firstmodelsurface + i;
- for (j = 0;j < MAXLIGHTMAPS;j++)
- if (surf->styles[j] != 255)
- *model->light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
+ int i;
+ qbyte *pvs = model->brush.data_pvsclusters + ((q3mleaf_t *)node)->clusterindex * model->brush.num_pvsclusterbytes;
+ for (i = 0;i < pvsbytes;i++)
+ pvsbuffer[i] |= pvs[i];
}
- j = 0;
- for (i = 0;i < model->light_styles;i++)
+}
+
+//Calculates a PVS that is the inclusive or of all leafs within radius pixels
+//of the given point.
+static int Mod_Q3BSP_FatPVS(model_t *model, const vec3_t org, vec_t radius, qbyte *pvsbuffer, int pvsbufferlength)
+{
+ int bytes = model->brush.num_pvsclusterbytes;
+ bytes = min(bytes, pvsbufferlength);
+ if (r_novis.integer || !model->brush.num_pvsclusters || !Mod_Q3BSP_GetPVS(model, org))
{
- *model->light_styleupdatechains[i] = NULL;
- model->light_styleupdatechains[i] = model->light_styleupdatechainsbuffer + j;
- j += stylecounts[model->light_style[i]] + 1;
+ memset(pvsbuffer, 0xFF, bytes);
+ return bytes;
}
+ memset(pvsbuffer, 0, bytes);
+ Mod_Q3BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brushq3.data_nodes);
+ return bytes;
}
-void Mod_BuildPVSTextureChains(model_t *model)
+
+static int Mod_Q3BSP_SuperContentsFromNativeContents(model_t *model, int nativecontents)
{
- int i, j;
- for (i = 0;i < model->numtextures;i++)
- model->pvstexturechainslength[i] = 0;
- for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
+ int supercontents = 0;
+ if (nativecontents & Q2CONTENTS_SOLID)
+ supercontents |= SUPERCONTENTS_SOLID;
+ if (nativecontents & Q2CONTENTS_WATER)
+ supercontents |= SUPERCONTENTS_WATER;
+ if (nativecontents & Q2CONTENTS_SLIME)
+ supercontents |= SUPERCONTENTS_SLIME;
+ if (nativecontents & Q2CONTENTS_LAVA)
+ supercontents |= SUPERCONTENTS_LAVA;
+ return supercontents;
+}
+
+static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
+{
+ int nativecontents = 0;
+ if (supercontents & SUPERCONTENTS_SOLID)
+ nativecontents |= Q2CONTENTS_SOLID;
+ if (supercontents & SUPERCONTENTS_WATER)
+ nativecontents |= Q2CONTENTS_WATER;
+ if (supercontents & SUPERCONTENTS_SLIME)
+ nativecontents |= Q2CONTENTS_SLIME;
+ if (supercontents & SUPERCONTENTS_LAVA)
+ nativecontents |= Q2CONTENTS_LAVA;
+ return nativecontents;
+}
+
+/*
+void Mod_Q3BSP_RecursiveGetVisible(q3mnode_t *node, model_t *model, const vec3_t point, const vec3_t mins, const vec3_t maxs, int maxleafs, q3mleaf_t *leaflist, int *numleafs, int maxsurfaces, q3msurface_t *surfacelist, int *numsurfaces, const qbyte *pvs)
+{
+ mleaf_t *leaf;
+ for (;;)
{
- if (model->surfacepvsframes[j] == model->pvsframecount)
- {
- model->pvssurflist[model->pvssurflistlength++] = j;
- model->pvstexturechainslength[model->surfaces[j].texinfo->texture->number]++;
- }
+ if (!BoxesOverlap(node->mins, node->maxs, mins, maxs))
+ return;
+ if (!node->plane)
+ break;
+ Mod_Q3BSP_RecursiveGetVisible(node->children[0], model, point, mins, maxs, maxleafs, leaflist, numleafs, maxsurfaces, surfacelist, numsurfaces, pvs);
+ node = node->children[1];
}
- for (i = 0, j = 0;i < model->numtextures;i++)
+ leaf = (mleaf_t *)node;
+ if ((pvs == NULL || CHECKPVSBIT(pvs, leaf->clusterindex)))
{
- if (model->pvstexturechainslength[i])
+ int marksurfacenum;
+ q3msurface_t *surf;
+ if (maxleafs && *numleafs < maxleafs)
+ leaflist[(*numleaf)++] = leaf;
+ if (maxsurfaces)
{
- model->pvstexturechains[i] = model->pvstexturechainsbuffer + j;
- j += model->pvstexturechainslength[i] + 1;
+ for (marksurfacenum = 0;marksurfacenum < leaf->nummarksurfaces;marksurfacenum++)
+ {
+ face = leaf->firstleafface[marksurfacenum];
+ if (face->shadowmark != shadowmarkcount)
+ {
+ face->shadowmark = shadowmarkcount;
+ if (BoxesOverlap(mins, maxs, face->mins, face->maxs) && *numsurfaces < maxsurfaces)
+ surfacelist[(*numsurfaces)++] = face;
+ }
+ }
}
- else
- model->pvstexturechains[i] = NULL;
}
- for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
- if (model->surfacepvsframes[j] == model->pvsframecount)
- *model->pvstexturechains[model->surfaces[j].texinfo->texture->number]++ = model->surfaces + j;
- for (i = 0;i < model->numtextures;i++)
+}
+
+void Mod_Q3BSP_GetVisible(model_t *model, const vec3_t point, const vec3_t mins, const vec3_t maxs, int maxleafs, q3mleaf_t *leaflist, int *numleafs, int maxsurfaces, q3msurface_t *surfacelist, int *numsurfaces)
+{
+ // FIXME: support portals
+ if (maxsurfaces)
+ *numsurfaces = 0;
+ if (maxleafs)
+ *numleafs = 0;
+ if (model->submodel)
{
- if (model->pvstexturechainslength[i])
+ if (maxsurfaces)
{
- *model->pvstexturechains[i] = NULL;
- model->pvstexturechains[i] -= model->pvstexturechainslength[i];
+ for (marksurfacenum = 0;marksurfacenum < leaf->nummarksurfaces;marksurfacenum++)
+ {
+ face = ent->model->brushq3.surfaces + leaf->firstmarksurface[marksurfacenum];
+ if (BoxesOverlap(mins, maxs, face->mins, face->maxs) && *numsurfaces < maxsurfaces)
+ surfacelist[(*numsurfaces)++] = face;
+ }
}
}
+ else
+ {
+ pvs = ent->model->brush.GetPVS(ent->model, relativelightorigin);
+ Mod_Q3BSP_RecursiveGetVisible(ent->model->brushq3.data_nodes, model, point, mins, maxs, maxleafs, leaflist, numleafs, maxsurfaces, surfacelist, numsurfaces, pvs);
+ }
}
-
-/*
-=================
-Mod_LoadBrushModel
-=================
*/
-extern void R_Model_Brush_DrawSky(entity_render_t *ent);
-extern void R_Model_Brush_Draw(entity_render_t *ent);
-extern void R_Model_Brush_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius);
-extern void R_Model_Brush_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor);
-void Mod_LoadBrushModel (model_t *mod, void *buffer)
+
+extern void R_Q3BSP_DrawSky(struct entity_render_s *ent);
+extern void R_Q3BSP_Draw(struct entity_render_s *ent);
+extern void R_Q3BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outclusterlist, qbyte *outclusterpvs, int *outnumclusterspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer);
+extern void R_Q3BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist);
+extern void R_Q3BSP_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *lightcubemap, int numsurfaces, const int *surfacelist);
+void Mod_Q3BSP_Load(model_t *mod, void *buffer)
{
- int i, j, k;
- dheader_t *header;
- dmodel_t *bm;
- mempool_t *mainmempool;
- char *loadname;
- model_t *originalloadmodel;
- float dist, modelyawradius, modelradius, *vec;
- msurface_t *surf;
- surfmesh_t *mesh;
+ int i, j, numshadowmeshtriangles;
+ q3dheader_t *header;
+ float corner[3], yawradius, modelradius;
+ q3msurface_t *face;
- mod->type = mod_brush;
+ mod->type = mod_brushq3;
+ mod->numframes = 1;
+ mod->numskins = 1;
- header = (dheader_t *)buffer;
+ header = (q3dheader_t *)buffer;
- i = LittleLong (header->version);
- if (i != BSPVERSION && i != 30)
- Host_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i (Quake) or 30 (HalfLife))", mod->name, i, BSPVERSION);
- mod->ishlbsp = i == 30;
- if (loadmodel->isworldmodel)
+ i = LittleLong(header->version);
+ if (i != Q3BSPVERSION)
+ Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
+ if (mod->isworldmodel)
{
- Cvar_SetValue("halflifebsp", mod->ishlbsp);
+ Cvar_SetValue("halflifebsp", false);
// until we get a texture for it...
R_ResetQuakeSky();
}
-// swap all the lumps
- mod_base = (qbyte *)header;
-
- for (i = 0;i < (int) sizeof(dheader_t) / 4;i++)
- ((int *)header)[i] = LittleLong ( ((int *)header)[i]);
-
-// load into heap
-
- // store which lightmap format to use
- mod->lightmaprgba = r_lightmaprgba.integer;
-
- Mod_LoadEntities (&header->lumps[LUMP_ENTITIES]);
- Mod_LoadVertexes (&header->lumps[LUMP_VERTEXES]);
- Mod_LoadEdges (&header->lumps[LUMP_EDGES]);
- Mod_LoadSurfedges (&header->lumps[LUMP_SURFEDGES]);
- Mod_LoadTextures (&header->lumps[LUMP_TEXTURES]);
- Mod_LoadLighting (&header->lumps[LUMP_LIGHTING]);
- Mod_LoadPlanes (&header->lumps[LUMP_PLANES]);
- Mod_LoadTexinfo (&header->lumps[LUMP_TEXINFO]);
- Mod_LoadFaces (&header->lumps[LUMP_FACES]);
- Mod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES]);
- Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]);
- Mod_LoadLeafs (&header->lumps[LUMP_LEAFS]);
- Mod_LoadNodes (&header->lumps[LUMP_NODES]);
- Mod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES]);
- Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]);
-
- Mod_MakeHull0 ();
- Mod_MakePortals();
-
- mod->numframes = 2; // regular and alternate animation
-
- mainmempool = mod->mempool;
- loadname = mod->name;
+ mod->soundfromcenter = true;
+ mod->TraceBox = Mod_Q3BSP_TraceBox;
+ mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
+ mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
+ mod->brush.GetPVS = Mod_Q3BSP_GetPVS;
+ mod->brush.FatPVS = Mod_Q3BSP_FatPVS;
+ mod->brush.BoxTouchingPVS = Mod_Q3BSP_BoxTouchingPVS;
+ mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
+ mod->brush.FindNonSolidLocation = Mod_Q3BSP_FindNonSolidLocation;
+ //mod->DrawSky = R_Q3BSP_DrawSky;
+ mod->Draw = R_Q3BSP_Draw;
+ mod->GetLightInfo = R_Q3BSP_GetLightInfo;
+ mod->DrawShadowVolume = R_Q3BSP_DrawShadowVolume;
+ mod->DrawLight = R_Q3BSP_DrawLight;
- Mod_LoadLightList ();
- originalloadmodel = loadmodel;
+ mod_base = (qbyte *)header;
-//
-// set up the submodels (FIXME: this is confusing)
-//
- for (i = 0;i < mod->numsubmodels;i++)
+ // swap all the lumps
+ for (i = 0;i < (int) sizeof(*header) / 4;i++)
+ ((int *)header)[i] = LittleLong(((int *)header)[i]);
+
+ Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
+ Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
+ Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
+ Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
+ Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
+ Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
+ Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
+ Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
+ Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
+ Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
+ Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
+ Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
+ Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
+ Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
+ Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
+ Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
+ Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
+ loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
+
+ // make a single combined shadow mesh to allow optimized shadow volume creation
+ numshadowmeshtriangles = 0;
+ for (j = 0, face = loadmodel->brushq3.data_faces;j < loadmodel->brushq3.num_faces;j++, face++)
{
- bm = &mod->submodels[i];
-
- mod->hulls[0].firstclipnode = bm->headnode[0];
- for (j=1 ; j<MAX_MAP_HULLS ; j++)
- {
- mod->hulls[j].firstclipnode = bm->headnode[j];
- mod->hulls[j].lastclipnode = mod->numclipnodes - 1;
- }
-
- mod->firstmodelsurface = bm->firstface;
- mod->nummodelsurfaces = bm->numfaces;
-
- // this gets altered below if sky is used
- mod->DrawSky = NULL;
- mod->Draw = R_Model_Brush_Draw;
- mod->DrawFakeShadow = NULL;
- mod->DrawShadowVolume = R_Model_Brush_DrawShadowVolume;
- mod->DrawLight = R_Model_Brush_DrawLight;
- mod->pvstexturechains = Mem_Alloc(originalloadmodel->mempool, mod->numtextures * sizeof(msurface_t **));
- mod->pvstexturechainsbuffer = Mem_Alloc(originalloadmodel->mempool, (mod->nummodelsurfaces + mod->numtextures) * sizeof(msurface_t *));
- mod->pvstexturechainslength = Mem_Alloc(originalloadmodel->mempool, mod->numtextures * sizeof(int));
- Mod_BuildPVSTextureChains(mod);
- Mod_BuildLightmapUpdateChains(originalloadmodel->mempool, mod);
- if (mod->nummodelsurfaces)
- {
- // LordHavoc: calculate bmodel bounding box rather than trusting what it says
- mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
- mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
- modelyawradius = 0;
- modelradius = 0;
- for (j = 0, surf = &mod->surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surf++)
- {
- // we only need to have a drawsky function if it is used (usually only on world model)
- if (surf->texinfo->texture->shader == &Cshader_sky)
- mod->DrawSky = R_Model_Brush_DrawSky;
- // calculate bounding shapes
- for (mesh = surf->mesh;mesh;mesh = mesh->chain)
- {
- for (k = 0, vec = mesh->verts;k < mesh->numverts;k++, vec += 4)
- {
- if (mod->normalmins[0] > vec[0]) mod->normalmins[0] = vec[0];
- if (mod->normalmins[1] > vec[1]) mod->normalmins[1] = vec[1];
- if (mod->normalmins[2] > vec[2]) mod->normalmins[2] = vec[2];
- if (mod->normalmaxs[0] < vec[0]) mod->normalmaxs[0] = vec[0];
- if (mod->normalmaxs[1] < vec[1]) mod->normalmaxs[1] = vec[1];
- if (mod->normalmaxs[2] < vec[2]) mod->normalmaxs[2] = vec[2];
- dist = vec[0]*vec[0]+vec[1]*vec[1];
- if (modelyawradius < dist)
- modelyawradius = dist;
- dist += vec[2]*vec[2];
- if (modelradius < dist)
- modelradius = dist;
- }
- }
- }
- modelyawradius = sqrt(modelyawradius);
- modelradius = sqrt(modelradius);
- mod->yawmins[0] = mod->yawmins[1] = -(mod->yawmaxs[0] = mod->yawmaxs[1] = modelyawradius);
- mod->yawmins[2] = mod->normalmins[2];
- mod->yawmaxs[2] = mod->normalmaxs[2];
- mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
- mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
- mod->radius = modelradius;
- mod->radius2 = modelradius * modelradius;
- }
+ face->num_firstshadowmeshtriangle = numshadowmeshtriangles;
+ numshadowmeshtriangles += face->num_triangles;
+ }
+ loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true);
+ for (j = 0, face = loadmodel->brushq3.data_faces;j < loadmodel->brushq3.num_faces;j++, face++)
+ Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, face->data_vertex3f, NULL, NULL, NULL, NULL, face->num_triangles, face->data_element3i);
+ loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true);
+ Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
+
+ for (i = 0;i < loadmodel->brushq3.num_models;i++)
+ {
+ if (i == 0)
+ mod = loadmodel;
else
{
- // LordHavoc: empty submodel (lacrima.bsp has such a glitch)
- Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadname);
- }
- Mod_BuildSurfaceNeighbors(mod->surfaces + mod->firstmodelsurface, mod->nummodelsurfaces, originalloadmodel->mempool);
-
- mod->numleafs = bm->visleafs;
-
- // LordHavoc: only register submodels if it is the world
- // (prevents bsp models from replacing world submodels)
- if (loadmodel->isworldmodel && i < (mod->numsubmodels - 1))
- {
- char name[10];
+ char name[10];
+ // LordHavoc: only register submodels if it is the world
+ // (prevents bsp models from replacing world submodels)
+ if (!loadmodel->isworldmodel)
+ continue;
// duplicate the basic information
- sprintf (name, "*%i", i+1);
- loadmodel = Mod_FindName (name);
- *loadmodel = *mod;
- strcpy (loadmodel->name, name);
+ sprintf(name, "*%i", i);
+ mod = Mod_FindName(name);
+ *mod = *loadmodel;
+ strcpy(mod->name, name);
// textures and memory belong to the main model
- loadmodel->texturepool = NULL;
- loadmodel->mempool = NULL;
- mod = loadmodel;
+ mod->texturepool = NULL;
+ mod->mempool = NULL;
+ mod->brush.GetPVS = NULL;
+ mod->brush.FatPVS = NULL;
+ mod->brush.BoxTouchingPVS = NULL;
+ mod->brush.LightPoint = NULL;
+ mod->brush.FindNonSolidLocation = Mod_Q3BSP_FindNonSolidLocation;
}
+ mod->brushq3.data_thismodel = loadmodel->brushq3.data_models + i;
+ mod->brushq3.submodel = i;
+
+ // make the model surface list (used by shadowing/lighting)
+ mod->nummodelsurfaces = mod->brushq3.data_thismodel->numfaces;
+ mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
+ for (j = 0;j < mod->nummodelsurfaces;j++)
+ mod->surfacelist[j] = (mod->brushq3.data_thismodel->firstface - mod->brushq3.data_faces) + j;
+
+ VectorCopy(mod->brushq3.data_thismodel->mins, mod->normalmins);
+ VectorCopy(mod->brushq3.data_thismodel->maxs, mod->normalmaxs);
+ corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0]));
+ corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1]));
+ corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2]));
+ modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]);
+ yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]);
+ mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius;
+ mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius;
+ mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius;
+ mod->yawmins[0] = mod->yawmins[1] = -yawradius;
+ mod->yawmins[2] = mod->normalmins[2];
+ mod->yawmaxs[2] = mod->normalmaxs[2];
+ mod->radius = modelradius;
+ mod->radius2 = modelradius * modelradius;
+
+ for (j = 0;j < mod->brushq3.data_thismodel->numfaces;j++)
+ if (mod->brushq3.data_thismodel->firstface[j].texture->surfaceflags & Q3SURFACEFLAG_SKY)
+ break;
+ if (j < mod->brushq3.data_thismodel->numfaces)
+ mod->DrawSky = R_Q3BSP_DrawSky;
}
+}
+
+void Mod_IBSP_Load(model_t *mod, void *buffer)
+{
+ int i = LittleLong(((int *)buffer)[1]);
+ if (i == Q3BSPVERSION)
+ Mod_Q3BSP_Load(mod,buffer);
+ else if (i == Q2BSPVERSION)
+ Mod_Q2BSP_Load(mod,buffer);
+ else
+ Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);
+}
- loadmodel = originalloadmodel;
- //Mod_ProcessLightList ();
+void Mod_MAP_Load(model_t *mod, void *buffer)
+{
+ Host_Error("Mod_MAP_Load: not yet implemented\n");
}