// r_surf.c: surface-related refresh code
#include "quakedef.h"
+#include "r_shadow.h"
+#include "portals.h"
#define MAX_LIGHTMAP_SIZE 256
-static signed int blocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
-
-static byte templight[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*4];
-
cvar_t r_ambient = {0, "r_ambient", "0"};
-cvar_t r_vertexsurfaces = {0, "r_vertexsurfaces", "0"};
-cvar_t r_dlightmap = {CVAR_SAVE, "r_dlightmap", "1"};
cvar_t r_drawportals = {0, "r_drawportals", "0"};
cvar_t r_testvis = {0, "r_testvis", "0"};
-
-static void gl_surf_start(void)
-{
-}
-
-static void gl_surf_shutdown(void)
-{
-}
-
-static void gl_surf_newmap(void)
-{
-}
-
-void GL_Surf_Init(void)
-{
- Cvar_RegisterVariable(&r_ambient);
- Cvar_RegisterVariable(&r_vertexsurfaces);
- Cvar_RegisterVariable(&r_dlightmap);
- Cvar_RegisterVariable(&r_drawportals);
- Cvar_RegisterVariable(&r_testvis);
-
- R_RegisterModule("GL_Surf", gl_surf_start, gl_surf_shutdown, gl_surf_newmap);
-}
-
-static int dlightdivtable[32768];
-
-static int R_AddDynamicLights (msurface_t *surf)
-{
- int sdtable[18], lnum, td, maxdist, maxdist2, maxdist3, i, s, t, smax, tmax, smax3, red, green, blue, lit, dist2, impacts, impactt, subtract;
- unsigned int *bl;
- float dist;
- vec3_t impact, local;
-
- // LordHavoc: use 64bit integer... shame it's not very standardized...
-#if _MSC_VER || __BORLANDC__
- __int64 k;
-#else
- long long k;
-#endif
-
- lit = false;
-
- if (!dlightdivtable[1])
- {
- dlightdivtable[0] = 4194304;
- for (s = 1; s < 32768; s++)
- dlightdivtable[s] = 4194304 / (s << 7);
- }
-
- smax = (surf->extents[0] >> 4) + 1;
- tmax = (surf->extents[1] >> 4) + 1;
-
- for (lnum = 0; lnum < r_numdlights; lnum++)
- {
- if (!(surf->dlightbits[lnum >> 5] & (1 << (lnum & 31))))
- continue; // not lit by this light
-
- softwareuntransform(r_dlight[lnum].origin, local);
-// VectorSubtract (r_dlight[lnum].origin, currentrenderentity->origin, local);
- dist = DotProduct (local, surf->plane->normal) - surf->plane->dist;
-
- // for comparisons to minimum acceptable light
- maxdist = (int) r_dlight[lnum].cullradius2;
-
- // already clamped, skip this
- // clamp radius to avoid exceeding 32768 entry division table
- //if (maxdist > 4194304)
- // maxdist = 4194304;
-
- dist2 = dist * dist;
- dist2 += LIGHTOFFSET;
- if (dist2 >= maxdist)
- continue;
-
- impact[0] = local[0] - surf->plane->normal[0] * dist;
- impact[1] = local[1] - surf->plane->normal[1] * dist;
- impact[2] = local[2] - surf->plane->normal[2] * dist;
-
- impacts = DotProduct (impact, surf->texinfo->vecs[0]) + surf->texinfo->vecs[0][3] - surf->texturemins[0];
- impactt = DotProduct (impact, surf->texinfo->vecs[1]) + surf->texinfo->vecs[1][3] - surf->texturemins[1];
-
- s = bound(0, impacts, smax * 16) - impacts;
- t = bound(0, impactt, tmax * 16) - impactt;
- i = s * s + t * t + dist2;
- if (i > maxdist)
- continue;
-
- // reduce calculations
- for (s = 0, i = impacts; s < smax; s++, i -= 16)
- sdtable[s] = i * i + dist2;
-
- maxdist3 = maxdist - dist2;
-
- // convert to 8.8 blocklights format
- red = r_dlight[lnum].light[0];
- green = r_dlight[lnum].light[1];
- blue = r_dlight[lnum].light[2];
- subtract = (int) (r_dlight[lnum].lightsubtract * 4194304.0f);
- bl = blocklights;
- smax3 = smax * 3;
-
- i = impactt;
- for (t = 0;t < tmax;t++, i -= 16)
- {
- td = i * i;
- // make sure some part of it is visible on this line
- if (td < maxdist3)
- {
- maxdist2 = maxdist - td;
- for (s = 0;s < smax;s++)
- {
- if (sdtable[s] < maxdist2)
- {
- k = dlightdivtable[(sdtable[s] + td) >> 7] - subtract;
- if (k > 0)
- {
- bl[0] += (red * k) >> 8;
- bl[1] += (green * k) >> 8;
- bl[2] += (blue * k) >> 8;
- lit = true;
- }
- }
- bl += 3;
- }
- }
- else // skip line
- bl += smax3;
- }
- }
- return lit;
-}
+cvar_t r_detailtextures = {CVAR_SAVE, "r_detailtextures", "1"};
+cvar_t r_surfaceworldnode = {0, "r_surfaceworldnode", "0"};
+cvar_t r_drawcollisionbrushes_polygonfactor = {0, "r_drawcollisionbrushes_polygonfactor", "-1"};
+cvar_t r_drawcollisionbrushes_polygonoffset = {0, "r_drawcollisionbrushes_polygonoffset", "0"};
+cvar_t r_q3bsp_renderskydepth = {0, "r_q3bsp_renderskydepth", "0"};
+
+// flag arrays used for visibility checking on world model
+// (all other entities have no per-surface/per-leaf visibility checks)
+// TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
+qbyte r_pvsbits[(32768+7)>>3];
+// TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
+qbyte r_worldleafvisible[32768];
+// TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
+qbyte r_worldsurfacevisible[262144];
/*
===============
Combine and scale multiple lightmaps into the 8.8 format in blocklights
===============
*/
-static void R_BuildLightMap (msurface_t *surf, int dlightchanged)
+void R_BuildLightMap (const entity_render_t *ent, msurface_t *surface)
{
- int smax, tmax, i, j, size, size3, shift, scale, maps, *bl, stride, l;
- byte *lightmap, *out;
+ int smax, tmax, i, j, size, size3, maps, stride, l;
+ unsigned int *bl, scale;
+ qbyte *lightmap, *out, *stain;
+ static unsigned int intblocklights[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*3]; // LordHavoc: *3 for colored lighting
+ static qbyte templight[MAX_LIGHTMAP_SIZE*MAX_LIGHTMAP_SIZE*4];
// update cached lighting info
- surf->cached_dlight = 0;
- surf->cached_lightscalebit = lightscalebit;
- surf->cached_ambient = r_ambient.value;
- surf->cached_light[0] = d_lightstylevalue[surf->styles[0]];
- surf->cached_light[1] = d_lightstylevalue[surf->styles[1]];
- surf->cached_light[2] = d_lightstylevalue[surf->styles[2]];
- surf->cached_light[3] = d_lightstylevalue[surf->styles[3]];
-
- smax = (surf->extents[0]>>4)+1;
- tmax = (surf->extents[1]>>4)+1;
+ surface->cached_dlight = 0;
+
+ smax = (surface->lightmapinfo->extents[0]>>4)+1;
+ tmax = (surface->lightmapinfo->extents[1]>>4)+1;
size = smax*tmax;
size3 = size*3;
- lightmap = surf->samples;
+ lightmap = surface->lightmapinfo->samples;
// set to full bright if no light data
- if ((currentrenderentity->effects & EF_FULLBRIGHT) || !cl.worldmodel->lightdata)
+ bl = intblocklights;
+ if (!ent->model->brushq1.lightdata)
{
- bl = blocklights;
- for (i = 0;i < size;i++)
- {
- *bl++ = 255*256;
- *bl++ = 255*256;
- *bl++ = 255*256;
- }
+ for (i = 0;i < size3;i++)
+ bl[i] = 255*256;
}
else
{
// clear to no light
- j = r_ambient.value * 512.0f; // would be 256.0f logically, but using 512.0f to match winquake style
- if (j)
- {
- bl = blocklights;
- for (i = 0;i < size3;i++)
- *bl++ = j;
- }
- else
- memset(&blocklights[0], 0, size*3*sizeof(int));
-
- if (surf->dlightframe == r_framecount && r_dlightmap.integer)
- {
- surf->cached_dlight = R_AddDynamicLights(surf);
- if (surf->cached_dlight)
- c_light_polys++;
- else if (dlightchanged)
- return; // don't upload if only updating dlights and none mattered
- }
+ memset(bl, 0, size*3*sizeof(unsigned int));
// add all the lightmaps
if (lightmap)
- for (maps = 0;maps < MAXLIGHTMAPS && surf->styles[maps] != 255;maps++)
- for (scale = d_lightstylevalue[surf->styles[maps]], bl = blocklights, i = 0;i < size3;i++)
- *bl++ += *lightmap++ * scale;
+ {
+ bl = intblocklights;
+ for (maps = 0;maps < MAXLIGHTMAPS && surface->lightmapinfo->styles[maps] != 255;maps++, lightmap += size3)
+ for (scale = d_lightstylevalue[surface->lightmapinfo->styles[maps]], i = 0;i < size3;i++)
+ bl[i] += lightmap[i] * scale;
+ }
}
- bl = blocklights;
+ stain = surface->lightmapinfo->stainsamples;
+ bl = intblocklights;
out = templight;
- // deal with lightmap brightness scale
- shift = 7 + lightscalebit;
- if (currentrenderentity->model->lightmaprgba)
+ // the >> 16 shift adjusts down 8 bits to account for the stainmap
+ // scaling, and remaps the 0-65536 (2x overbright) to 0-256, it will
+ // be doubled during rendering to achieve 2x overbright
+ // (0 = 0.0, 128 = 1.0, 256 = 2.0)
+ if (ent->model->brushq1.lightmaprgba)
{
- stride = (surf->lightmaptexturestride - smax) * 4;
+ stride = (surface->lightmapinfo->lightmaptexturestride - smax) * 4;
for (i = 0;i < tmax;i++, out += stride)
{
for (j = 0;j < smax;j++)
{
- l = *bl++ >> shift;*out++ = min(l, 255);
- l = *bl++ >> shift;*out++ = min(l, 255);
- l = *bl++ >> shift;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
*out++ = 255;
}
}
}
else
{
- stride = (surf->lightmaptexturestride - smax) * 3;
+ stride = (surface->lightmapinfo->lightmaptexturestride - smax) * 3;
for (i = 0;i < tmax;i++, out += stride)
{
for (j = 0;j < smax;j++)
{
- l = *bl++ >> shift;*out++ = min(l, 255);
- l = *bl++ >> shift;*out++ = min(l, 255);
- l = *bl++ >> shift;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
+ l = (*bl++ * *stain++) >> 16;*out++ = min(l, 255);
}
}
}
- R_UpdateTexture(surf->lightmaptexture, templight);
+ R_UpdateTexture(surface->lightmaptexture, templight);
}
-/*
-===============
-R_TextureAnimation
-
-Returns the proper texture for a given time and base texture
-===============
-*/
-/*
-// note: this was manually inlined in R_PrepareSurfaces
-static texture_t *R_TextureAnimation (texture_t *base)
+void R_StainNode (mnode_t *node, model_t *model, const vec3_t origin, float radius, const float fcolor[8])
{
- if (currentrenderentity->frame && base->alternate_anims != NULL)
- base = base->alternate_anims;
-
- if (base->anim_total < 2)
- return base;
-
- return base->anim_frames[(int)(cl.time * 5.0f) % base->anim_total];
-}
-*/
+ float ndist, a, ratio, maxdist, maxdist2, maxdist3, invradius, sdtable[256], td, dist2;
+ msurface_t *surface, *endsurface;
+ int i, s, t, smax, tmax, smax3, impacts, impactt, stained;
+ qbyte *bl;
+ vec3_t impact;
+ maxdist = radius * radius;
+ invradius = 1.0f / radius;
-/*
-=============================================================
+loc0:
+ if (!node->plane)
+ return;
+ ndist = PlaneDiff(origin, node->plane);
+ if (ndist > radius)
+ {
+ node = node->children[0];
+ goto loc0;
+ }
+ if (ndist < -radius)
+ {
+ node = node->children[1];
+ goto loc0;
+ }
- BRUSH MODELS
+ dist2 = ndist * ndist;
+ maxdist3 = maxdist - dist2;
-=============================================================
-*/
+ if (node->plane->type < 3)
+ {
+ VectorCopy(origin, impact);
+ impact[node->plane->type] -= ndist;
+ }
+ else
+ {
+ impact[0] = origin[0] - node->plane->normal[0] * ndist;
+ impact[1] = origin[1] - node->plane->normal[1] * ndist;
+ impact[2] = origin[2] - node->plane->normal[2] * ndist;
+ }
+ for (surface = model->data_surfaces + node->firstsurface, endsurface = surface + node->numsurfaces;surface < endsurface;surface++)
+ {
+ if (surface->lightmapinfo->stainsamples)
+ {
+ smax = (surface->lightmapinfo->extents[0] >> 4) + 1;
+ tmax = (surface->lightmapinfo->extents[1] >> 4) + 1;
-static float turbsin[256] =
-{
- #include "gl_warp_sin.h"
-};
-#define TURBSCALE (256.0 / (2 * M_PI))
+ impacts = DotProduct (impact, surface->lightmapinfo->texinfo->vecs[0]) + surface->lightmapinfo->texinfo->vecs[0][3] - surface->lightmapinfo->texturemins[0];
+ impactt = DotProduct (impact, surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3] - surface->lightmapinfo->texturemins[1];
-#define MAX_SURFVERTS 1024
-typedef struct
-{
- float v[4];
- float st[2];
- float uv[2];
- float c[4];
-}
-surfvert_t;
-static surfvert_t svert[MAX_SURFVERTS]; // used by the following functions
+ s = bound(0, impacts, smax * 16) - impacts;
+ t = bound(0, impactt, tmax * 16) - impactt;
+ i = s * s + t * t + dist2;
+ if (i > maxdist)
+ continue;
-static int RSurfShader_Sky(int stage, msurface_t *s)
-{
- int i;
- float number, length, dir[3], speedscale;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
+ // reduce calculations
+ for (s = 0, i = impacts; s < smax; s++, i -= 16)
+ sdtable[s] = i * i + dist2;
- // LordHavoc: HalfLife maps have freaky skypolys...
- if (currentrenderentity->model->ishlbsp)
- return true;
+ bl = surface->lightmapinfo->stainsamples;
+ smax3 = smax * 3;
+ stained = false;
- if (stage == 0)
- {
- if (skyrendermasked)
- {
- if (skyrendernow)
- {
- skyrendernow = false;
- R_Sky();
- }
- // draw depth-only polys
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_ZERO;
- m.blendfunc2 = GL_ONE;
- m.depthwrite = true;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- //m.cr = 0;
- //m.cg = 0;
- //m.cb = 0;
- //m.ca = 0;
- if (softwaretransform_complexity)
+ i = impactt;
+ for (t = 0;t < tmax;t++, i -= 16)
{
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- else
- {
- m.vertex = &s->mesh.vertex[0].v[0];
- m.vertexstep = sizeof(surfvertex_t);
+ td = i * i;
+ // make sure some part of it is visible on this line
+ if (td < maxdist3)
+ {
+ maxdist2 = maxdist - td;
+ for (s = 0;s < smax;s++)
+ {
+ if (sdtable[s] < maxdist2)
+ {
+ ratio = lhrandom(0.0f, 1.0f);
+ a = (fcolor[3] + ratio * fcolor[7]) * (1.0f - sqrt(sdtable[s] + td) * invradius);
+ if (a >= (1.0f / 64.0f))
+ {
+ if (a > 1)
+ a = 1;
+ bl[0] = (qbyte) ((float) bl[0] + a * ((fcolor[0] + ratio * fcolor[4]) - (float) bl[0]));
+ bl[1] = (qbyte) ((float) bl[1] + a * ((fcolor[1] + ratio * fcolor[5]) - (float) bl[1]));
+ bl[2] = (qbyte) ((float) bl[2] + a * ((fcolor[2] + ratio * fcolor[6]) - (float) bl[2]));
+ stained = true;
+ }
+ }
+ bl += 3;
+ }
+ }
+ else // skip line
+ bl += smax3;
}
- R_Mesh_Draw(&m);
+ // force lightmap upload
+ if (stained)
+ surface->cached_dlight = true;
}
- else if (skyrenderglquake)
+ }
+
+ if (node->children[0]->plane)
+ {
+ if (node->children[1]->plane)
{
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.cr = 1;
- m.cg = 1;
- m.cb = 1;
- m.ca = 1;
- if (r_mergesky.integer)
- m.tex[0] = R_GetTexture(mergeskytexture);
- else
- m.tex[0] = R_GetTexture(solidskytexture);
- m.texcoords[0] = &svert[0].st[0];
- m.texcoordstep[0] = sizeof(surfvert_t);
- speedscale = cl.time * (8.0/128.0);
- speedscale -= (int)speedscale;
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract (sv->v, r_origin, dir);
- // flatten the sphere
- dir[2] *= 3;
-
- number = DotProduct(dir, dir);
- #if SLOWMATH
- length = 3.0f / sqrt(number);
- #else
- *((long *)&length) = 0x5f3759df - ((* (long *) &number) >> 1);
- length = 3.0f * (length * (1.5f - (number * 0.5f * length * length)));
- #endif
-
- sv->st[0] = speedscale + dir[0] * length;
- sv->st[1] = speedscale + dir[1] * length;
- }
- R_Mesh_Draw(&m);
+ R_StainNode(node->children[0], model, origin, radius, fcolor);
+ node = node->children[1];
+ goto loc0;
}
else
{
- // flat color
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.cr = fogcolor[0];
- m.cg = fogcolor[1];
- m.cb = fogcolor[2];
- m.ca = 1;
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- else
- {
- m.vertex = &s->mesh.vertex[0].v[0];
- m.vertexstep = sizeof(surfvertex_t);
- }
- R_Mesh_Draw(&m);
+ node = node->children[0];
+ goto loc0;
}
- return false;
}
- else if (stage == 1)
+ else if (node->children[1]->plane)
{
- if (skyrenderglquake && !r_mergesky.integer)
- {
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.cr = 1;
- m.cg = 1;
- m.cb = 1;
- m.ca = 1;
- m.tex[0] = R_GetTexture(alphaskytexture);
- m.texcoords[0] = &svert[0].st[0];
- m.texcoordstep[0] = sizeof(surfvert_t);
- speedscale = cl.time * (16.0/128.0);
- speedscale -= (int)speedscale;
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract (sv->v, r_origin, dir);
- // flatten the sphere
- dir[2] *= 3;
-
- number = DotProduct(dir, dir);
- #if SLOWMATH
- length = 3.0f / sqrt(number);
- #else
- *((long *)&length) = 0x5f3759df - ((* (long *) &number) >> 1);
- length = 3.0f * (length * (1.5f - (number * 0.5f * length * length)));
- #endif
-
- sv->st[0] = speedscale + dir[0] * length;
- sv->st[1] = speedscale + dir[1] * length;
- }
- R_Mesh_Draw(&m);
- return false;
- }
- return true;
+ node = node->children[1];
+ goto loc0;
}
- else
- return true;
}
-static int RSurf_Light(int *dlightbits, int numverts)
+void R_Stain (const vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2)
{
- float f;
- int i, l, lit = false;
- rdlight_t *rd;
- vec3_t lightorigin;
- surfvert_t *sv;
- for (l = 0;l < r_numdlights;l++)
+ int n;
+ float fcolor[8];
+ entity_render_t *ent;
+ model_t *model;
+ vec3_t org;
+ if (r_refdef.worldmodel == NULL || !r_refdef.worldmodel->brush.data_nodes || !r_refdef.worldmodel->brushq1.lightdata)
+ return;
+ fcolor[0] = cr1;
+ fcolor[1] = cg1;
+ fcolor[2] = cb1;
+ fcolor[3] = ca1 * (1.0f / 64.0f);
+ fcolor[4] = cr2 - cr1;
+ fcolor[5] = cg2 - cg1;
+ fcolor[6] = cb2 - cb1;
+ fcolor[7] = (ca2 - ca1) * (1.0f / 64.0f);
+
+ R_StainNode(r_refdef.worldmodel->brush.data_nodes + r_refdef.worldmodel->brushq1.hulls[0].firstclipnode, r_refdef.worldmodel, origin, radius, fcolor);
+
+ // look for embedded bmodels
+ for (n = 0;n < cl_num_brushmodel_entities;n++)
{
- if (dlightbits[l >> 5] & (1 << (l & 31)))
+ ent = &cl_entities[cl_brushmodel_entities[n]].render;
+ model = ent->model;
+ if (model && model->name[0] == '*')
{
- rd = &r_dlight[l];
- // FIXME: support softwareuntransform here and make bmodels use hardware transform?
- VectorCopy(rd->origin, lightorigin);
- for (i = 0, sv = svert;i < numverts;i++, sv++)
+ Mod_CheckLoaded(model);
+ if (model->brush.data_nodes)
{
- f = VectorDistance2(sv->v, lightorigin) + LIGHTOFFSET;
- if (f < rd->cullradius2)
- {
- f = (1.0f / f) - rd->lightsubtract;
- sv->c[0] += rd->light[0] * f;
- sv->c[1] += rd->light[1] * f;
- sv->c[2] += rd->light[2] * f;
- lit = true;
- }
+ Matrix4x4_Transform(&ent->inversematrix, origin, org);
+ R_StainNode(model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, model, org, radius, fcolor);
}
}
}
- return lit;
}
-static void RSurfShader_Water_Pass_Base(msurface_t *s)
+
+/*
+=============================================================
+
+ BRUSH MODELS
+
+=============================================================
+*/
+
+static void R_DrawPortal_Callback(const void *calldata1, int calldata2)
{
- int i;
- float diff[3], alpha, ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
- alpha = currentrenderentity->alpha * (s->flags & SURF_DRAWNOALPHA ? 1 : r_wateralpha.value);
+ int i;
+ float *v;
+ rmeshstate_t m;
+ const mportal_t *portal = calldata1;
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthMask(false);
+ GL_DepthTest(true);
+ R_Mesh_Matrix(&r_identitymatrix);
memset(&m, 0, sizeof(m));
- if (alpha != 1 || s->currenttexture->fogtexture != NULL)
+ m.pointer_vertex = varray_vertex3f;
+ R_Mesh_State(&m);
+
+ i = calldata2;
+ GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f),
+ ((i & 0x0038) >> 3) * (1.0f / 7.0f),
+ ((i & 0x01C0) >> 6) * (1.0f / 7.0f),
+ 0.125f);
+ if (PlaneDiff(r_vieworigin, (&portal->plane)) < 0)
{
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE; //_MINUS_SRC_ALPHA;
+ for (i = portal->numpoints - 1, v = varray_vertex3f;i >= 0;i--, v += 3)
+ VectorCopy(portal->points[i].position, v);
}
else
+ for (i = 0, v = varray_vertex3f;i < portal->numpoints;i++, v += 3)
+ VectorCopy(portal->points[i].position, v);
+ GL_LockArrays(0, portal->numpoints);
+ R_Mesh_Draw(0, portal->numpoints, portal->numpoints - 2, polygonelements);
+ GL_LockArrays(0, 0);
+}
+
+// LordHavoc: this is just a nice debugging tool, very slow
+static void R_DrawPortals(void)
+{
+ int i, leafnum;//, portalnum;
+ mportal_t *portal;
+ float center[3], f;
+ model_t *model = r_refdef.worldmodel;
+ if (model == NULL)
+ return;
+ for (leafnum = 0;leafnum < r_refdef.worldmodel->brush.num_leafs;leafnum++)
{
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.texcoords[0] = &svert[0].st[0];
- m.texcoordstep[0] = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- if (r_waterripple.value)
- sv->v[2] += r_waterripple.value * (1.0f / 64.0f) * turbsin[(int)((v->v[0]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255] * turbsin[(int)((v->v[1]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255];
- if (s->flags & SURF_DRAWFULLBRIGHT)
- {
- sv->c[0] = 1;
- sv->c[1] = 1;
- sv->c[2] = 1;
- sv->c[3] = alpha;
- }
- else
- {
- sv->c[0] = 0.5f;
- sv->c[1] = 0.5f;
- sv->c[2] = 0.5f;
- sv->c[3] = alpha;
- }
- sv->st[0] = (v->st[0] + turbsin[(int)((v->st[1]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- sv->st[1] = (v->st[1] + turbsin[(int)((v->st[0]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- }
- if (s->dlightframe == r_framecount && !(s->flags & SURF_DRAWFULLBRIGHT))
- RSurf_Light(s->dlightbits, m.numverts);
- if (fogenabled/* && m.blendfunc2 == GL_ONE_MINUS_SRC_ALPHA*/)
- {
- for (i = 0, sv = svert;i < m.numverts;i++, sv++)
+ if (r_worldleafvisible[leafnum])
{
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] *= ifog;
- sv->c[1] *= ifog;
- sv->c[2] *= ifog;
+ //for (portalnum = 0, portal = model->brush.data_portals;portalnum < model->brush.num_portals;portalnum++, portal++)
+ for (portal = r_refdef.worldmodel->brush.data_leafs[leafnum].portals;portal;portal = portal->next)
+ {
+ if (portal->numpoints <= POLYGONELEMENTS_MAXPOINTS)
+ if (!R_CullBox(portal->mins, portal->maxs))
+ {
+ VectorClear(center);
+ for (i = 0;i < portal->numpoints;i++)
+ VectorAdd(center, portal->points[i].position, center);
+ f = ixtable[portal->numpoints];
+ VectorScale(center, f, center);
+ //R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, portal, portalnum);
+ R_MeshQueue_AddTransparent(center, R_DrawPortal_Callback, portal, leafnum);
+ }
+ }
}
}
- R_Mesh_Draw(&m);
}
-static void RSurfShader_Water_Pass_Glow(msurface_t *s)
+static void R_DrawCollisionBrush(colbrushf_t *brush)
{
- int i;
- float diff[3], alpha, ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
- alpha = currentrenderentity->alpha * (s->flags & SURF_DRAWNOALPHA ? 1 : r_wateralpha.value);
+ int i;
+ rmeshstate_t m;
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = brush->points->v;
+ R_Mesh_State(&m);
+ i = (int)(((size_t)brush) / sizeof(colbrushf_t));
+ GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
+ GL_LockArrays(0, brush->numpoints);
+ R_Mesh_Draw(0, brush->numpoints, brush->numtriangles, brush->elements);
+ GL_LockArrays(0, 0);
+}
+static void R_DrawCollisionSurface(entity_render_t *ent, msurface_t *surface)
+{
+ int i;
+ rmeshstate_t m;
+ if (!surface->num_collisiontriangles)
+ return;
memset(&m, 0, sizeof(m));
- m.transparent = alpha != 1 || s->currenttexture->fogtexture != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.cr = 1;
- m.cg = 1;
- m.cb = 1;
- m.ca = alpha;
- m.tex[0] = R_GetTexture(s->currenttexture->glowtexture);
- m.texcoords[0] = &svert[0].st[0];
- m.texcoordstep[0] = sizeof(surfvert_t);
- if (fogenabled)
- {
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- if (r_waterripple.value)
- sv->v[2] += r_waterripple.value * (1.0f / 64.0f) * turbsin[(int)((v->v[0]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255] * turbsin[(int)((v->v[1]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255];
- sv->st[0] = (v->st[0] + turbsin[(int)((v->st[1]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- sv->st[1] = (v->st[1] + turbsin[(int)((v->st[0]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
- }
- }
- else
- {
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- if (r_waterripple.value)
- sv->v[2] += r_waterripple.value * (1.0f / 64.0f) * turbsin[(int)((v->v[0]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255] * turbsin[(int)((v->v[1]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255];
- sv->st[0] = (v->st[0] + turbsin[(int)((v->st[1]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- sv->st[1] = (v->st[1] + turbsin[(int)((v->st[0]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- }
- }
- R_Mesh_Draw(&m);
+ m.pointer_vertex = surface->data_collisionvertex3f;
+ R_Mesh_State(&m);
+ i = (int)(((size_t)surface) / sizeof(msurface_t));
+ GL_Color((i & 31) * (1.0f / 32.0f), ((i >> 5) & 31) * (1.0f / 32.0f), ((i >> 10) & 31) * (1.0f / 32.0f), 0.2f);
+ GL_LockArrays(0, surface->num_collisionvertices);
+ R_Mesh_Draw(0, surface->num_collisionvertices, surface->num_collisiontriangles, surface->data_collisionelement3i);
+ GL_LockArrays(0, 0);
}
-static void RSurfShader_Water_Pass_Fog(msurface_t *s)
+void R_WorldVisibility(void)
{
- int i;
- float alpha;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
- vec3_t diff;
- alpha = currentrenderentity->alpha * (s->flags & SURF_DRAWNOALPHA ? 1 : r_wateralpha.value);
+ int i, j, *mark;
+ mleaf_t *leaf;
+ mleaf_t *viewleaf;
+ model_t *model = r_refdef.worldmodel;
- memset(&m, 0, sizeof(m));
- m.transparent = alpha != 1 || s->currenttexture->fogtexture != NULL;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->fogtexture);
- m.texcoords[0] = &svert[0].st[0];
- m.texcoordstep[0] = sizeof(surfvert_t);
-
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ if (!model)
+ return;
+
+ // if possible find the leaf the view origin is in
+ viewleaf = model->brush.PointInLeaf ? model->brush.PointInLeaf(model, r_vieworigin) : NULL;
+ // if possible fetch the visible cluster bits
+ if (model->brush.FatPVS)
+ model->brush.FatPVS(model, r_vieworigin, 2, r_pvsbits, sizeof(r_pvsbits));
+
+ // clear the visible surface and leaf flags arrays
+ memset(r_worldsurfacevisible, 0, model->num_surfaces);
+ memset(r_worldleafvisible, 0, model->brush.num_leafs);
+
+ // if the user prefers surfaceworldnode (testing?) or the viewleaf could
+ // not be found, or the viewleaf is not part of the visible world
+ // (floating around in the void), use the pvs method
+ if (r_surfaceworldnode.integer || !viewleaf || viewleaf->clusterindex < 0)
{
- softwaretransform(v->v, sv->v);
- if (r_waterripple.value)
- sv->v[2] += r_waterripple.value * (1.0f / 64.0f) * turbsin[(int)((v->v[0]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255] * turbsin[(int)((v->v[1]*(1.0f/32.0f)+cl.time) * TURBSCALE) & 255];
- if (m.tex[0])
+ // pvs method:
+ // similar to quake's RecursiveWorldNode but without cache misses
+ for (j = 0, leaf = model->brush.data_leafs;j < model->brush.num_leafs;j++, leaf++)
{
- sv->st[0] = (v->st[0] + turbsin[(int)((v->st[1]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
- sv->st[1] = (v->st[1] + turbsin[(int)((v->st[0]*0.125f+cl.time) * TURBSCALE) & 255]) * (1.0f / 64.0f);
+ // if leaf is in current pvs and on the screen, mark its surfaces
+ if (CHECKPVSBIT(r_pvsbits, leaf->clusterindex) && !R_CullBox(leaf->mins, leaf->maxs))
+ {
+ c_leafs++;
+ r_worldleafvisible[j] = true;
+ if (leaf->numleafsurfaces)
+ for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
+ r_worldsurfacevisible[*mark] = true;
+ }
}
- VectorSubtract(sv->v, r_origin, diff);
- sv->c[0] = fogcolor[0];
- sv->c[1] = fogcolor[1];
- sv->c[2] = fogcolor[2];
- sv->c[3] = alpha * exp(fogdensity/DotProduct(diff, diff));
}
- R_Mesh_Draw(&m);
+ else
+ {
+ int leafstackpos;
+ mportal_t *p;
+ mleaf_t *leafstack[8192];
+ // portal method:
+ // follows portals leading outward from viewleaf, does not venture
+ // offscreen or into leafs that are not visible, faster than Quake's
+ // RecursiveWorldNode and vastly better in unvised maps, often culls a
+ // lot of surface that pvs alone would miss
+ leafstack[0] = viewleaf;
+ leafstackpos = 1;
+ while (leafstackpos)
+ {
+ c_leafs++;
+ leaf = leafstack[--leafstackpos];
+ r_worldleafvisible[leaf - model->brush.data_leafs] = true;
+ // mark any surfaces bounding this leaf
+ if (leaf->numleafsurfaces)
+ for (i = 0, mark = leaf->firstleafsurface;i < leaf->numleafsurfaces;i++, mark++)
+ r_worldsurfacevisible[*mark] = true;
+ // follow portals into other leafs
+ // the checks are:
+ // if viewer is behind portal (portal faces outward into the scene)
+ // and the portal polygon's bounding box is on the screen
+ // and the leaf has not been visited yet
+ // and the leaf is visible in the pvs
+ // (the first two checks won't cause as many cache misses as the leaf checks)
+ for (p = leaf->portals;p;p = p->next)
+ if (DotProduct(r_vieworigin, p->plane.normal) < (p->plane.dist + 1) && !R_CullBox(p->mins, p->maxs) && !r_worldleafvisible[p->past - model->brush.data_leafs] && CHECKPVSBIT(r_pvsbits, p->past->clusterindex))
+ leafstack[leafstackpos++] = p->past;
+ }
+ }
+
+ if (r_drawportals.integer)
+ R_DrawPortals();
+}
+
+void R_Q1BSP_DrawSky(entity_render_t *ent)
+{
+ if (ent->model == NULL)
+ return;
+ if (r_drawcollisionbrushes.integer < 2)
+ R_DrawSurfaces(ent, true);
}
-static int RSurfShader_Water(int stage, msurface_t *s)
+void R_Q1BSP_Draw(entity_render_t *ent)
{
- switch(stage)
+ if (ent->model == NULL)
+ return;
+ c_bmodels++;
+ if (r_drawcollisionbrushes.integer < 2)
+ R_DrawSurfaces(ent, false);
+ if (r_drawcollisionbrushes.integer >= 1 && ent->model->brush.num_brushes)
+ {
+ int i;
+ model_t *model = ent->model;
+ msurface_t *surface;
+ q3mbrush_t *brush;
+ R_Mesh_Matrix(&ent->matrix);
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
+ GL_DepthMask(false);
+ GL_DepthTest(true);
+ qglPolygonOffset(r_drawcollisionbrushes_polygonfactor.value, r_drawcollisionbrushes_polygonoffset.value);
+ for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
+ if (brush->colbrushf && brush->colbrushf->numtriangles)
+ R_DrawCollisionBrush(brush->colbrushf);
+ for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
+ if (surface->num_collisiontriangles)
+ R_DrawCollisionSurface(ent, surface);
+ qglPolygonOffset(0, 0);
+ }
+}
+
+typedef struct r_q1bsp_getlightinfo_s
+{
+ model_t *model;
+ vec3_t relativelightorigin;
+ float lightradius;
+ int *outleaflist;
+ qbyte *outleafpvs;
+ int outnumleafs;
+ int *outsurfacelist;
+ qbyte *outsurfacepvs;
+ int outnumsurfaces;
+ vec3_t outmins;
+ vec3_t outmaxs;
+ vec3_t lightmins;
+ vec3_t lightmaxs;
+ const qbyte *pvs;
+}
+r_q1bsp_getlightinfo_t;
+
+void R_Q1BSP_RecursiveGetLightInfo(r_q1bsp_getlightinfo_t *info, mnode_t *node)
+{
+ int sides;
+ mleaf_t *leaf;
+ for (;;)
{
- case 0:
- RSurfShader_Water_Pass_Base(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Water_Pass_Glow(s);
- return false;
- case 2:
- if (fogenabled && (s->flags & SURF_DRAWNOALPHA))
+ if (!BoxesOverlap(info->lightmins, info->lightmaxs, node->mins, node->maxs))
+ return;
+ if (!node->plane)
+ break;
+ sides = BoxOnPlaneSide(info->lightmins, info->lightmaxs, node->plane) - 1;
+ if (sides == 2)
{
- RSurfShader_Water_Pass_Fog(s);
- return false;
+ R_Q1BSP_RecursiveGetLightInfo(info, node->children[0]);
+ node = node->children[1];
}
else
- return true;
- default:
- return true;
- }
-}
-
-static void RSurfShader_Wall_Pass_BaseMTex(msurface_t *s)
-{
- int i;
- float diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
+ node = node->children[sides];
}
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
+ leaf = (mleaf_t *)node;
+ if (info->pvs == NULL || CHECKPVSBIT(info->pvs, leaf->clusterindex))
{
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.cr = 1;
- if (lighthalf)
- m.cr *= 2;
- if (gl_combine.integer)
- m.cr *= 4;
- m.cg = m.cr;
- m.cb = m.cr;
- m.ca = currentrenderentity->alpha;
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.tex[1] = R_GetTexture(s->lightmaptexture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoords[1] = &s->mesh.vertex->uv[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- m.texcoordstep[1] = sizeof(surfvertex_t);
- if (fogenabled)
- {
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- if (softwaretransform_complexity)
+ info->outmins[0] = min(info->outmins[0], leaf->mins[0]);
+ info->outmins[1] = min(info->outmins[1], leaf->mins[1]);
+ info->outmins[2] = min(info->outmins[2], leaf->mins[2]);
+ info->outmaxs[0] = max(info->outmaxs[0], leaf->maxs[0]);
+ info->outmaxs[1] = max(info->outmaxs[1], leaf->maxs[1]);
+ info->outmaxs[2] = max(info->outmaxs[2], leaf->maxs[2]);
+ if (info->outleafpvs)
{
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ int leafindex = leaf - info->model->brush.data_leafs;
+ if (!CHECKPVSBIT(info->outleafpvs, leafindex))
{
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
+ SETPVSBIT(info->outleafpvs, leafindex);
+ info->outleaflist[info->outnumleafs++] = leafindex;
}
}
- else
+ if (info->outsurfacepvs)
{
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ int leafsurfaceindex;
+ for (leafsurfaceindex = 0;leafsurfaceindex < leaf->numleafsurfaces;leafsurfaceindex++)
{
- VectorSubtract(v->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
+ int surfaceindex = leaf->firstleafsurface[leafsurfaceindex];
+ if (!CHECKPVSBIT(info->outsurfacepvs, surfaceindex))
+ {
+ msurface_t *surface = info->model->data_surfaces + surfaceindex;
+ if (BoxesOverlap(info->lightmins, info->lightmaxs, surface->mins, surface->maxs))
+ if ((surface->texture->currentmaterialflags & (MATERIALFLAG_WALL | MATERIALFLAG_NODRAW | MATERIALFLAG_TRANSPARENT)) == MATERIALFLAG_WALL)
+ {
+ int triangleindex, t;
+ const int *e;
+ const vec_t *v[3];
+ for (triangleindex = 0, t = surface->num_firstshadowmeshtriangle, e = info->model->brush.shadowmesh->element3i + t * 3;triangleindex < surface->num_triangles;triangleindex++, t++, e += 3)
+ {
+ v[0] = info->model->brush.shadowmesh->vertex3f + e[0] * 3;
+ v[1] = info->model->brush.shadowmesh->vertex3f + e[1] * 3;
+ v[2] = info->model->brush.shadowmesh->vertex3f + e[2] * 3;
+ if (PointInfrontOfTriangle(info->relativelightorigin, v[0], v[1], v[2]) && info->lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) && info->lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) && info->lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) && info->lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) && info->lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) && info->lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+ {
+ SETPVSBIT(info->outsurfacepvs, surfaceindex);
+ info->outsurfacelist[info->outnumsurfaces++] = surfaceindex;
+ break;
+ }
+ }
+ }
+ }
}
}
}
- else
- {
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- else
- {
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- }
- }
- R_Mesh_Draw(&m);
}
-static void RSurfShader_Wall_Pass_BaseTexture(msurface_t *s)
+void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, qbyte *outleafpvs, int *outnumleafspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer)
{
- int i;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
-
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- if (lighthalf)
+ r_q1bsp_getlightinfo_t info;
+ VectorCopy(relativelightorigin, info.relativelightorigin);
+ info.lightradius = lightradius;
+ info.lightmins[0] = info.relativelightorigin[0] - info.lightradius;
+ info.lightmins[1] = info.relativelightorigin[1] - info.lightradius;
+ info.lightmins[2] = info.relativelightorigin[2] - info.lightradius;
+ info.lightmaxs[0] = info.relativelightorigin[0] + info.lightradius;
+ info.lightmaxs[1] = info.relativelightorigin[1] + info.lightradius;
+ info.lightmaxs[2] = info.relativelightorigin[2] + info.lightradius;
+ if (ent->model == NULL)
{
- m.cr = 2;
- m.cg = 2;
- m.cb = 2;
+ VectorCopy(info.lightmins, outmins);
+ VectorCopy(info.lightmaxs, outmaxs);
+ *outnumleafspointer = 0;
+ *outnumsurfacespointer = 0;
+ return;
}
+ info.model = ent->model;
+ info.outleaflist = outleaflist;
+ info.outleafpvs = outleafpvs;
+ info.outnumleafs = 0;
+ info.outsurfacelist = outsurfacelist;
+ info.outsurfacepvs = outsurfacepvs;
+ info.outnumsurfaces = 0;
+ VectorCopy(info.relativelightorigin, info.outmins);
+ VectorCopy(info.relativelightorigin, info.outmaxs);
+ memset(outleafpvs, 0, (info.model->brush.num_leafs + 7) >> 3);
+ memset(outsurfacepvs, 0, (info.model->nummodelsurfaces + 7) >> 3);
+ if (info.model->brush.GetPVS)
+ info.pvs = info.model->brush.GetPVS(info.model, info.relativelightorigin);
else
+ info.pvs = NULL;
+ R_UpdateAllTextureInfo(ent);
+ if (r_shadow_compilingrtlight)
{
- m.cr = 1;
- m.cg = 1;
- m.cb = 1;
+ // use portal recursion for exact light volume culling, and exact surface checking
+ Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, true, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs);
}
- m.ca = 1;
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- if (softwaretransform_complexity)
+ else if (r_shadow_realtime_dlight_portalculling.integer)
{
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
+ // use portal recursion for exact light volume culling, but not the expensive exact surface checking
+ Portal_Visibility(info.model, info.relativelightorigin, info.outleaflist, info.outleafpvs, &info.outnumleafs, info.outsurfacelist, info.outsurfacepvs, &info.outnumsurfaces, NULL, 0, r_shadow_realtime_dlight_portalculling.integer >= 2, info.lightmins, info.lightmaxs, info.outmins, info.outmaxs);
}
else
{
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
+ // use BSP recursion as lights are often small
+ R_Q1BSP_RecursiveGetLightInfo(&info, info.model->brush.data_nodes);
}
- R_Mesh_Draw(&m);
+
+ // limit combined leaf box to light boundaries
+ outmins[0] = max(info.outmins[0] - 1, info.lightmins[0]);
+ outmins[1] = max(info.outmins[1] - 1, info.lightmins[1]);
+ outmins[2] = max(info.outmins[2] - 1, info.lightmins[2]);
+ outmaxs[0] = min(info.outmaxs[0] + 1, info.lightmaxs[0]);
+ outmaxs[1] = min(info.outmaxs[1] + 1, info.lightmaxs[1]);
+ outmaxs[2] = min(info.outmaxs[2] + 1, info.lightmaxs[2]);
+
+ *outnumleafspointer = info.outnumleafs;
+ *outnumsurfacespointer = info.outnumsurfaces;
}
-static void RSurfShader_Wall_Pass_BaseLightmap(msurface_t *s)
-{
- int i;
- float diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
+extern float *rsurface_vertex3f;
+extern float *rsurface_svector3f;
+extern float *rsurface_tvector3f;
+extern float *rsurface_normal3f;
+extern void RSurf_SetVertexPointer(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg);
- memset(&m, 0, sizeof(m));
- m.transparent = false;
- m.blendfunc1 = GL_ZERO;
- m.blendfunc2 = GL_SRC_COLOR;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.cr = 1;
- if (lighthalf)
- m.cr *= 2.0f;
- m.cg = m.cr;
- m.cb = m.cr;
- m.ca = 1;
- m.tex[0] = R_GetTexture(s->lightmaptexture);
- m.texcoords[0] = &s->mesh.vertex->uv[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- if (fogenabled)
+void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs)
+{
+ model_t *model = ent->model;
+ msurface_t *surface;
+ int surfacelistindex;
+ float projectdistance = lightradius + model->radius + r_shadow_projectdistance.value;
+ vec3_t modelorg;
+ texture_t *texture;
+ // check the box in modelspace, it was already checked in worldspace
+ if (!BoxesOverlap(ent->model->normalmins, ent->model->normalmaxs, lightmins, lightmaxs))
+ return;
+ if (r_drawcollisionbrushes.integer >= 2)
+ return;
+ if (!r_shadow_compilingrtlight)
+ R_UpdateAllTextureInfo(ent);
+ if (model->brush.shadowmesh)
{
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- if (softwaretransform_complexity)
+ R_Shadow_PrepareShadowMark(model->brush.shadowmesh->numtriangles);
+ if (r_shadow_compilingrtlight)
{
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
{
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
+ surface = model->data_surfaces + surfacelist[surfacelistindex];
+ texture = surface->texture;
+ if ((texture->basematerialflags & (MATERIALFLAG_NODRAW | MATERIALFLAG_TRANSPARENT | MATERIALFLAG_WALL)) != MATERIALFLAG_WALL)
+ continue;
+ if (texture->textureflags & (Q3TEXTUREFLAG_TWOSIDED | Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+ continue;
+ R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
}
}
else
{
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
{
- VectorSubtract(v->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
+ surface = model->data_surfaces + surfacelist[surfacelistindex];
+ texture = surface->texture->currentframe;
+ if ((texture->currentmaterialflags & (MATERIALFLAG_NODRAW | MATERIALFLAG_TRANSPARENT | MATERIALFLAG_WALL)) != MATERIALFLAG_WALL)
+ continue;
+ if (texture->textureflags & (Q3TEXTUREFLAG_TWOSIDED | Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
+ continue;
+ R_Shadow_MarkVolumeFromBox(surface->num_firstshadowmeshtriangle, surface->num_triangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
}
}
+ R_Shadow_VolumeFromList(model->brush.shadowmesh->numverts, model->brush.shadowmesh->numtriangles, model->brush.shadowmesh->vertex3f, model->brush.shadowmesh->element3i, model->brush.shadowmesh->neighbor3i, relativelightorigin, lightradius + model->radius + projectdistance, numshadowmark, shadowmarklist);
}
else
{
- if (softwaretransform_complexity)
+ projectdistance = lightradius + ent->model->radius;
+ Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
{
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- else
- {
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
+ surface = model->data_surfaces + surfacelist[surfacelistindex];
+ // FIXME: get current skin
+ texture = surface->texture;//R_FetchAliasSkin(ent, surface->groupmesh);
+ if (texture->currentmaterialflags & (MATERIALFLAG_NODRAW | MATERIALFLAG_TRANSPARENT) || !surface->num_triangles)
+ continue;
+ RSurf_SetVertexPointer(ent, texture, surface, modelorg);
+ // identify lit faces within the bounding box
+ R_Shadow_PrepareShadowMark(surface->groupmesh->num_triangles);
+ R_Shadow_MarkVolumeFromBox(surface->num_firsttriangle, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_element3i, relativelightorigin, lightmins, lightmaxs, surface->mins, surface->maxs);
+ R_Shadow_VolumeFromList(surface->groupmesh->num_vertices, surface->groupmesh->num_triangles, rsurface_vertex3f, surface->groupmesh->data_element3i, surface->groupmesh->data_neighbor3i, relativelightorigin, projectdistance, numshadowmark, shadowmarklist);
}
}
- R_Mesh_Draw(&m);
}
-static void RSurfShader_Wall_Pass_BaseVertex(msurface_t *s)
+void R_Q1BSP_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist)
{
- int i, size3;
- float c[3], base[3], scale, diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
- byte *lm;
-
- size3 = ((s->extents[0]>>4)+1)*((s->extents[1]>>4)+1)*3;
-
- base[0] = base[1] = base[2] = r_ambient.value * (1.0f / 128.0f);
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- }
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
+ model_t *model = ent->model;
+ msurface_t *surface;
+ texture_t *texture;
+ int surfacelistindex;
+ vec3_t modelorg;
+ if (r_drawcollisionbrushes.integer >= 2)
+ return;
+ if (r_shadow_compilingrtlight)
{
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+ // if compiling an rtlight, capture the meshes
+ int tri;
+ int *e;
+ float *lightmins, *lightmaxs, *v[3], *vertex3f;
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
+ {
+ surface = model->data_surfaces + surfacelist[surfacelistindex];
+ texture = surface->texture;
+ if ((texture->basematerialflags & (MATERIALFLAG_WALL | MATERIALFLAG_TRANSPARENT)) != MATERIALFLAG_WALL || !surface->num_triangles)
+ continue;
+ e = surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle;
+ vertex3f = surface->groupmesh->data_vertex3f;
+ lightmins = r_shadow_compilingrtlight->cullmins;
+ lightmaxs = r_shadow_compilingrtlight->cullmaxs;
+ for (tri = 0;tri < surface->num_triangles;tri++, e += 3)
+ {
+ v[0] = vertex3f + e[0] * 3;
+ v[1] = vertex3f + e[1] * 3;
+ v[2] = vertex3f + e[2] * 3;
+ if (PointInfrontOfTriangle(r_shadow_compilingrtlight->shadoworigin, v[0], v[1], v[2]) && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+ Mod_ShadowMesh_AddMesh(r_shadow_mempool, r_shadow_compilingrtlight->static_meshchain_light, surface->texture->skin.base, surface->texture->skin.gloss, surface->texture->skin.nmap, surface->groupmesh->data_vertex3f, surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f, surface->groupmesh->data_texcoordtexture2f, 1, e);
+ }
+ }
}
else
{
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorCopy(base, c);
- if (s->styles[0] != 255)
- {
- lm = s->samples + v->lightmapoffset;
- scale = d_lightstylevalue[s->styles[0]] * (1.0f / 32768.0f);
- VectorMA(c, scale, lm, c);
- if (s->styles[1] != 255)
- {
- lm += size3;
- scale = d_lightstylevalue[s->styles[1]] * (1.0f / 32768.0f);
- VectorMA(c, scale, lm, c);
- if (s->styles[2] != 255)
+ R_UpdateAllTextureInfo(ent);
+ Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, modelorg);
+ for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
+ {
+ if (ent == r_refdef.worldentity && !r_worldsurfacevisible[surfacelist[surfacelistindex]])
+ continue;
+ surface = model->data_surfaces + surfacelist[surfacelistindex];
+ texture = surface->texture->currentframe;
+ // FIXME: transparent surfaces need to be lit later
+ if ((texture->currentmaterialflags & (MATERIALFLAG_WALL | MATERIALFLAG_TRANSPARENT)) != MATERIALFLAG_WALL || !surface->num_triangles)
+ continue;
+ if (texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
+ qglDisable(GL_CULL_FACE);
+ RSurf_SetVertexPointer(ent, texture, surface, modelorg);
+ if (!rsurface_svector3f)
+ {
+ rsurface_svector3f = varray_svector3f;
+ rsurface_tvector3f = varray_tvector3f;
+ rsurface_normal3f = varray_normal3f;
+ Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_texcoordtexture2f, surface->groupmesh->data_element3i + surface->num_firsttriangle * 3, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f);
+ }
+ if (ent->colormap >= 0)
+ {
+ vec3_t lightcolorpants, lightcolorshirt;
+ // 128-224 are backwards ranges
+ int b = (ent->colormap & 0xF) << 4;b += (b >= 128 && b < 224) ? 4 : 12;
+ if (texture->skin.pants && b >= 224)
{
- lm += size3;
- scale = d_lightstylevalue[s->styles[2]] * (1.0f / 32768.0f);
- VectorMA(c, scale, lm, c);
- if (s->styles[3] != 255)
- {
- lm += size3;
- scale = d_lightstylevalue[s->styles[3]] * (1.0f / 32768.0f);
- VectorMA(c, scale, lm, c);
- }
+ qbyte *bcolor = (qbyte *) (&palette_complete[b]);
+ lightcolorpants[0] = lightcolor[0] * bcolor[0] * (1.0f / 255.0f);
+ lightcolorpants[1] = lightcolor[1] * bcolor[1] * (1.0f / 255.0f);
+ lightcolorpants[2] = lightcolor[2] * bcolor[2] * (1.0f / 255.0f);
}
+ else
+ VectorClear(lightcolorpants);
+ // 128-224 are backwards ranges
+ b = (ent->colormap & 0xF0);b += (b >= 128 && b < 224) ? 4 : 12;
+ if (texture->skin.shirt && b >= 224)
+ {
+ qbyte *bcolor = (qbyte *) (&palette_complete[b]);
+ lightcolorshirt[0] = lightcolor[0] * bcolor[0] * (1.0f / 255.0f);
+ lightcolorshirt[1] = lightcolor[1] * bcolor[1] * (1.0f / 255.0f);
+ lightcolorshirt[2] = lightcolor[2] * bcolor[2] * (1.0f / 255.0f);
+ }
+ else
+ VectorClear(lightcolorshirt);
+ R_Shadow_RenderLighting(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), rsurface_vertex3f, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f, surface->groupmesh->data_texcoordtexture2f, lightcolor, lightcolorpants, lightcolorshirt, texture->skin.base, texture->skin.pants, texture->skin.shirt, texture->skin.nmap, texture->skin.gloss);
}
+ else
+ R_Shadow_RenderLighting(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), rsurface_vertex3f, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f, surface->groupmesh->data_texcoordtexture2f, lightcolor, vec3_origin, vec3_origin, texture->skin.merged ? texture->skin.merged : texture->skin.base, NULL, NULL, texture->skin.nmap, texture->skin.gloss);
+ if (texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
+ qglEnable(GL_CULL_FACE);
}
- sv->c[0] = c[0];
- sv->c[1] = c[1];
- sv->c[2] = c[2];
- sv->c[3] = currentrenderentity->alpha;
}
- if (s->dlightframe == r_framecount)
- RSurf_Light(s->dlightbits, m.numverts);
- if (fogenabled)
- {
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] *= ifog;
- sv->c[1] *= ifog;
- sv->c[2] *= ifog;
- }
- }
- R_Mesh_Draw(&m);
-}
-
-static void RSurfShader_Wall_Pass_BaseFullbright(msurface_t *s)
-{
- int i;
- float diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- }
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
- {
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- }
- else
- {
- m.transparent = false;
- m.blendfunc1 = GL_ONE;
- m.blendfunc2 = GL_ZERO;
- }
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- if (fogenabled)
- {
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = ifog;
- sv->c[1] = ifog;
- sv->c[2] = ifog;
- sv->c[3] = currentrenderentity->alpha;
- }
- }
- else
- {
- m.cr = m.cg = m.cb = 1;
- m.ca = currentrenderentity->alpha;
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- R_Mesh_Draw(&m);
-}
-
-static void RSurfShader_Wall_Pass_Light(msurface_t *s)
-{
- int i;
- float diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- m.transparent = true;
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
- m.transparent = true;
- else
- m.transparent = false;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->texture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- sv->c[0] = 0;
- sv->c[1] = 0;
- sv->c[2] = 0;
- sv->c[3] = currentrenderentity->alpha;
- }
- if (RSurf_Light(s->dlightbits, m.numverts))
- {
- if (fogenabled)
- {
- for (i = 0, sv = svert;i < m.numverts;i++, sv++)
- {
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] *= ifog;
- sv->c[1] *= ifog;
- sv->c[2] *= ifog;
- }
- }
- R_Mesh_Draw(&m);
- }
-}
-
-static void RSurfShader_Wall_Pass_Glow(msurface_t *s)
-{
- int i;
- float diff[3], ifog;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- m.transparent = true;
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
- m.transparent = true;
- else
- m.transparent = false;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.cr = 1;
- m.cg = 1;
- m.cb = 1;
- m.ca = currentrenderentity->alpha;
- m.tex[0] = R_GetTexture(s->currenttexture->glowtexture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- if (fogenabled)
- {
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
- }
- }
- else
- {
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- VectorSubtract(v->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
- }
- }
- }
- else
- {
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- softwaretransform(v->v, sv->v);
- }
- else
- {
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- }
- }
- R_Mesh_Draw(&m);
-}
-
-static void RSurfShader_Wall_Pass_Fog(msurface_t *s)
-{
- int i;
- surfvertex_t *v;
- surfvert_t *sv;
- rmeshinfo_t m;
- vec3_t diff;
-
- memset(&m, 0, sizeof(m));
- if (currentrenderentity->effects & EF_ADDITIVE)
- m.transparent = true;
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1)
- m.transparent = true;
- else
- m.transparent = false;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE;
- m.numtriangles = s->mesh.numtriangles;
- m.numverts = s->mesh.numverts;
- m.index = s->mesh.index;
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- m.tex[0] = R_GetTexture(s->currenttexture->fogtexture);
- m.texcoords[0] = &s->mesh.vertex->st[0];
- m.texcoordstep[0] = sizeof(surfvertex_t);
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- sv->c[0] = fogcolor[0];
- sv->c[1] = fogcolor[1];
- sv->c[2] = fogcolor[2];
- sv->c[3] = currentrenderentity->alpha * exp(fogdensity/DotProduct(diff,diff));
- }
- }
- else
- {
- m.vertex = &s->mesh.vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
- {
- VectorSubtract(v->v, r_origin, diff);
- sv->c[0] = fogcolor[0];
- sv->c[1] = fogcolor[1];
- sv->c[2] = fogcolor[2];
- sv->c[3] = currentrenderentity->alpha * exp(fogdensity/DotProduct(diff,diff));
- }
- }
- R_Mesh_Draw(&m);
-}
-
-static int RSurfShader_Wall_Fullbright(int stage, msurface_t *s)
-{
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseFullbright(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
-}
-
-static int RSurfShader_Wall_Vertex(int stage, msurface_t *s)
-{
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseVertex(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
-}
-
-static int RSurfShader_Wall_Lightmap(int stage, msurface_t *s)
-{
- if (r_vertexsurfaces.integer)
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseVertex(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- else if (r_multitexture.integer)
- {
- if (r_dlightmap.integer)
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseMTex(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- else
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseMTex(s);
- return false;
- case 1:
- if (s->dlightframe == r_framecount)
- RSurfShader_Wall_Pass_Light(s);
- return false;
- case 2:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- }
- else if (s->currenttexture->fogtexture != NULL || currentrenderentity->alpha != 1 || currentrenderentity->effects & EF_ADDITIVE)
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseVertex(s);
- return false;
- case 1:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- else
- {
- if (r_dlightmap.integer)
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseTexture(s);
- return false;
- case 1:
- RSurfShader_Wall_Pass_BaseLightmap(s);
- return false;
- case 2:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- else
- {
- switch(stage)
- {
- case 0:
- RSurfShader_Wall_Pass_BaseTexture(s);
- return false;
- case 1:
- RSurfShader_Wall_Pass_BaseLightmap(s);
- return false;
- case 2:
- if (s->dlightframe == r_framecount)
- RSurfShader_Wall_Pass_Light(s);
- return false;
- case 3:
- if (s->currenttexture->glowtexture)
- RSurfShader_Wall_Pass_Glow(s);
- return false;
- default:
- return true;
- }
- }
- }
-}
-
-static int RSurfShader_Wall_Fog(int stage, msurface_t *s)
-{
- if (stage == 0 && fogenabled)
- {
- RSurfShader_Wall_Pass_Fog(s);
- return false;
- }
- else
- return true;
}
-/*
-=============================================================
-
- WORLD MODEL
-
-=============================================================
-*/
-
-static void RSurf_Callback(void *data, void *junk)
-{
- ((msurface_t *)data)->visframe = r_framecount;
-}
-
-static void R_SolidWorldNode (void)
-{
- if (r_viewleaf->contents != CONTENTS_SOLID)
- {
- int portalstack;
- mportal_t *p, *pstack[8192];
- msurface_t *surf, **mark, **endmark;
- mleaf_t *leaf;
- tinyplane_t plane;
- // LordHavoc: portal-passage worldnode; follows portals leading
- // outward from viewleaf, if a portal leads offscreen it is not
- // followed, in indoor maps this can often cull a great deal of
- // geometry away when pvs data is not present (useful with pvs as well)
-
- leaf = r_viewleaf;
- leaf->worldnodeframe = r_framecount;
- portalstack = 0;
- loc0:
- c_leafs++;
-
- leaf->visframe = r_framecount;
-
- if (leaf->nummarksurfaces)
- {
- mark = leaf->firstmarksurface;
- endmark = mark + leaf->nummarksurfaces;
- if (r_ser.integer)
- {
- do
- {
- surf = *mark++;
- // make sure surfaces are only processed once
- if (surf->worldnodeframe == r_framecount)
- continue;
- surf->worldnodeframe = r_framecount;
- if (PlaneDist(r_origin, surf->plane) < surf->plane->dist)
- {
- if (surf->flags & SURF_PLANEBACK)
- {
- VectorNegate(surf->plane->normal, plane.normal);
- plane.dist = -surf->plane->dist;
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), (surf->flags & SURF_CLIPSOLID) != 0, RSurf_Callback, surf, NULL, &plane);
- }
- }
- else
- {
- if (!(surf->flags & SURF_PLANEBACK))
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), (surf->flags & SURF_CLIPSOLID) != 0, RSurf_Callback, surf, NULL, (tinyplane_t *)surf->plane);
- }
- }
- while (mark < endmark);
- }
- else
- {
- do
- {
- surf = *mark++;
- // make sure surfaces are only processed once
- if (surf->worldnodeframe == r_framecount)
- continue;
- surf->worldnodeframe = r_framecount;
- if (PlaneDist(r_origin, surf->plane) < surf->plane->dist)
- {
- if (surf->flags & SURF_PLANEBACK)
- surf->visframe = r_framecount;
- }
- else
- {
- if (!(surf->flags & SURF_PLANEBACK))
- surf->visframe = r_framecount;
- }
- }
- while (mark < endmark);
- }
- }
-
- // follow portals into other leafs
- p = leaf->portals;
- for (;p;p = p->next)
- {
- if (DotProduct(r_origin, p->plane.normal) < p->plane.dist)
- {
- leaf = p->past;
- if (leaf->worldnodeframe != r_framecount)
- {
- leaf->worldnodeframe = r_framecount;
- if (leaf->contents != CONTENTS_SOLID)
- {
- if (R_NotCulledBox(leaf->mins, leaf->maxs))
- {
- p->visframe = r_framecount;
- pstack[portalstack++] = p;
- goto loc0;
-
- loc1:
- p = pstack[--portalstack];
- }
- }
- }
- }
- }
-
- if (portalstack)
- goto loc1;
- }
- else
- {
- mnode_t *nodestack[8192], *node = cl.worldmodel->nodes;
- int nodestackpos = 0;
- // LordHavoc: recursive descending worldnode; if portals are not
- // available, this is a good last resort, can cull large amounts of
- // geometry, but is more time consuming than portal-passage and renders
- // things behind walls
-
-loc2:
- if (R_NotCulledBox(node->mins, node->maxs))
- {
- if (node->numsurfaces)
- {
- if (r_ser.integer)
- {
- msurface_t *surf = cl.worldmodel->surfaces + node->firstsurface, *surfend = surf + node->numsurfaces;
- tinyplane_t plane;
- if (PlaneDiff (r_origin, node->plane) < 0)
- {
- for (;surf < surfend;surf++)
- {
- if (surf->flags & SURF_PLANEBACK)
- {
- VectorNegate(surf->plane->normal, plane.normal);
- plane.dist = -surf->plane->dist;
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), surf->flags & SURF_CLIPSOLID, RSurf_Callback, surf, NULL, &plane);
- }
- }
- }
- else
- {
- for (;surf < surfend;surf++)
- {
- if (!(surf->flags & SURF_PLANEBACK))
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), surf->flags & SURF_CLIPSOLID, RSurf_Callback, surf, NULL, (tinyplane_t *)surf->plane);
- }
- }
- }
- else
- {
- msurface_t *surf = cl.worldmodel->surfaces + node->firstsurface, *surfend = surf + node->numsurfaces;
- if (PlaneDiff (r_origin, node->plane) < 0)
- {
- for (;surf < surfend;surf++)
- {
- if (surf->flags & SURF_PLANEBACK)
- surf->visframe = r_framecount;
- }
- }
- else
- {
- for (;surf < surfend;surf++)
- {
- if (!(surf->flags & SURF_PLANEBACK))
- surf->visframe = r_framecount;
- }
- }
- }
- }
-
- // recurse down the children
- if (node->children[0]->contents >= 0)
- {
- if (node->children[1]->contents >= 0)
- {
- if (nodestackpos < 8192)
- nodestack[nodestackpos++] = node->children[1];
- node = node->children[0];
- goto loc2;
- }
- else
- ((mleaf_t *)node->children[1])->visframe = r_framecount;
- node = node->children[0];
- goto loc2;
- }
- else
- {
- ((mleaf_t *)node->children[0])->visframe = r_framecount;
- if (node->children[1]->contents >= 0)
- {
- node = node->children[1];
- goto loc2;
- }
- else if (nodestackpos > 0)
- {
- ((mleaf_t *)node->children[1])->visframe = r_framecount;
- node = nodestack[--nodestackpos];
- goto loc2;
- }
- }
- }
- else if (nodestackpos > 0)
- {
- node = nodestack[--nodestackpos];
- goto loc2;
- }
- }
-}
-
-static int r_portalframecount = 0;
-
-static void R_PVSWorldNode()
-{
- int portalstack, i;
- mportal_t *p, *pstack[8192];
- msurface_t *surf, **mark, **endmark;
- mleaf_t *leaf;
- tinyplane_t plane;
- byte *worldvis;
-
- worldvis = Mod_LeafPVS (r_viewleaf, cl.worldmodel);
-
- leaf = r_viewleaf;
- leaf->worldnodeframe = r_framecount;
- portalstack = 0;
-loc0:
- c_leafs++;
-
- leaf->visframe = r_framecount;
-
- if (leaf->nummarksurfaces)
- {
- mark = leaf->firstmarksurface;
- endmark = mark + leaf->nummarksurfaces;
- if (r_ser.integer)
- {
- do
- {
- surf = *mark++;
- // make sure surfaces are only processed once
- if (surf->worldnodeframe == r_framecount)
- continue;
- surf->worldnodeframe = r_framecount;
- if (PlaneDist(r_origin, surf->plane) < surf->plane->dist)
- {
- if (surf->flags & SURF_PLANEBACK)
- {
- VectorNegate(surf->plane->normal, plane.normal);
- plane.dist = -surf->plane->dist;
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), (surf->flags & SURF_CLIPSOLID) != 0, RSurf_Callback, surf, NULL, &plane);
- }
- }
- else
- {
- if (!(surf->flags & SURF_PLANEBACK))
- R_Clip_AddPolygon((float *)surf->poly_verts, surf->poly_numverts, sizeof(float[3]), (surf->flags & SURF_CLIPSOLID) != 0, RSurf_Callback, surf, NULL, (tinyplane_t *)surf->plane);
- }
- }
- while (mark < endmark);
- }
- else
- {
- do
- {
- surf = *mark++;
- // make sure surfaces are only processed once
- if (surf->worldnodeframe == r_framecount)
- continue;
- surf->worldnodeframe = r_framecount;
- if (PlaneDist(r_origin, surf->plane) < surf->plane->dist)
- {
- if (surf->flags & SURF_PLANEBACK)
- surf->visframe = r_framecount;
- }
- else
- {
- if (!(surf->flags & SURF_PLANEBACK))
- surf->visframe = r_framecount;
- }
- }
- while (mark < endmark);
- }
- }
-
- // follow portals into other leafs
- for (p = leaf->portals;p;p = p->next)
- {
- if (DotProduct(r_origin, p->plane.normal) < p->plane.dist)
- {
- leaf = p->past;
- if (leaf->worldnodeframe != r_framecount)
- {
- leaf->worldnodeframe = r_framecount;
- if (leaf->contents != CONTENTS_SOLID)
- {
- i = (leaf - cl.worldmodel->leafs) - 1;
- if (worldvis[i>>3] & (1<<(i&7)))
- {
- if (R_NotCulledBox(leaf->mins, leaf->maxs))
- {
- pstack[portalstack++] = p;
- goto loc0;
-
-loc1:
- p = pstack[--portalstack];
- }
- }
- }
- }
- }
- }
-
- if (portalstack)
- goto loc1;
-}
-
-Cshader_t Cshader_wall_vertex = {{NULL, RSurfShader_Wall_Vertex, RSurfShader_Wall_Fog}, NULL};
-Cshader_t Cshader_wall_lightmap = {{NULL, RSurfShader_Wall_Lightmap, RSurfShader_Wall_Fog}, NULL};
-Cshader_t Cshader_wall_fullbright = {{NULL, RSurfShader_Wall_Fullbright, RSurfShader_Wall_Fog}, NULL};
-Cshader_t Cshader_water = {{NULL, RSurfShader_Water, NULL}, NULL};
-Cshader_t Cshader_sky = {{RSurfShader_Sky, NULL, NULL}, NULL};
-
-int Cshader_count = 5;
-Cshader_t *Cshaders[5] =
-{
- &Cshader_wall_vertex,
- &Cshader_wall_lightmap,
- &Cshader_wall_fullbright,
- &Cshader_water,
- &Cshader_sky
-};
-
-void R_PrepareSurfaces(void)
-{
- int i;
- texture_t *t;
- model_t *model;
- msurface_t *surf;
-
- for (i = 0;i < Cshader_count;i++)
- Cshaders[i]->chain = NULL;
-
- model = currentrenderentity->model;
-
- for (i = 0;i < model->nummodelsurfaces;i++)
- {
- surf = model->modelsortedsurfaces[i];
- if (surf->visframe == r_framecount)
- {
- if (surf->insertframe != r_framecount)
- {
- surf->insertframe = r_framecount;
- c_faces++;
- // manually inlined R_TextureAnimation
- //t = R_TextureAnimation(surf->texinfo->texture);
- t = surf->texinfo->texture;
- if (t->alternate_anims != NULL && currentrenderentity->frame)
- t = t->alternate_anims;
- if (t->anim_total >= 2)
- t = t->anim_frames[(int)(cl.time * 5.0f) % t->anim_total];
- surf->currenttexture = t;
- }
-
- surf->chain = surf->shader->chain;
- surf->shader->chain = surf;
- }
- }
-}
-
-void R_DrawSurfaces (int type)
-{
- int i, stage;
- msurface_t *surf;
- Cshader_t *shader;
-
- for (i = 0;i < Cshader_count;i++)
- {
- shader = Cshaders[i];
- if (shader->chain && shader->shaderfunc[type])
- for (stage = 0;stage < 1000;stage++)
- for (surf = shader->chain;surf;surf = surf->chain)
- if (shader->shaderfunc[type](stage, surf))
- goto done;
-done:;
- }
-}
-
-void R_DrawSurfacesAll (void)
-{
- R_DrawSurfaces(SHADERSTAGE_SKY);
- R_DrawSurfaces(SHADERSTAGE_NORMAL);
- R_DrawSurfaces(SHADERSTAGE_FOG);
-}
-
-static float portalpointbuffer[256][3];
-
-void R_DrawPortals(void)
-{
- int drawportals, i;
-// mleaf_t *leaf, *endleaf;
- mportal_t *portal, *endportal;
- mvertex_t *point/*, *endpoint*/;
- rmeshinfo_t m;
- drawportals = r_drawportals.integer;
- if (drawportals < 1)
- return;
- /*
- leaf = cl.worldmodel->leafs;
- endleaf = leaf + cl.worldmodel->numleafs;
- for (;leaf < endleaf;leaf++)
- {
- if (leaf->visframe == r_framecount && leaf->portals)
- {
- i = leaf - cl.worldmodel->leafs;
- r = (i & 0x0007) << 5;
- g = (i & 0x0038) << 2;
- b = (i & 0x01C0) >> 1;
- portal = leaf->portals;
- while (portal)
- {
- transpolybegin(0, 0, 0, TPOLYTYPE_ALPHA);
- point = portal->points + portal->numpoints - 1;
- endpoint = portal->points;
- for (;point >= endpoint;point--)
- transpolyvertub(point->position[0], point->position[1], point->position[2], 0, 0, r, g, b, 32);
- transpolyend();
- portal = portal->next;
- }
- }
- }
- */
- memset(&m, 0, sizeof(m));
- m.transparent = true;
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- m.vertex = &portalpointbuffer[0][0];
- m.vertexstep = sizeof(float[3]);
- m.ca = 0.125;
- for (portal = cl.worldmodel->portals, endportal = portal + cl.worldmodel->numportals;portal < endportal;portal++)
- {
- if (portal->visframe == r_portalframecount)
- {
- if (portal->numpoints <= 256)
- {
- i = portal - cl.worldmodel->portals;
- m.cr = ((i & 0x0007) >> 0) * (1.0f / 7.0f);
- m.cg = ((i & 0x0038) >> 3) * (1.0f / 7.0f);
- m.cb = ((i & 0x01C0) >> 6) * (1.0f / 7.0f);
- point = portal->points;
- if (PlaneDiff(r_origin, (&portal->plane)) > 0)
- {
- for (i = portal->numpoints - 1;i >= 0;i--)
- VectorCopy(point[i].position, portalpointbuffer[i]);
- }
- else
- {
- for (i = 0;i < portal->numpoints;i++)
- VectorCopy(point[i].position, portalpointbuffer[i]);
- }
- R_Mesh_DrawPolygon(&m, portal->numpoints);
- }
- }
- }
-}
-
-void R_SetupForBModelRendering(void)
-{
- int i;
- msurface_t *s;
- model_t *model;
- vec3_t modelorg;
-
- // because bmodels can be reused, we have to decide which things to render
- // from scratch every time
-
- model = currentrenderentity->model;
-
- softwaretransformforentity (currentrenderentity);
- softwareuntransform(r_origin, modelorg);
-
- for (i = 0;i < model->nummodelsurfaces;i++)
- {
- s = model->modelsortedsurfaces[i];
- if (((s->flags & SURF_PLANEBACK) == 0) == (PlaneDiff(modelorg, s->plane) >= 0))
- s->visframe = r_framecount;
- else
- s->visframe = -1;
- s->worldnodeframe = -1;
- s->lightframe = -1;
- s->dlightframe = -1;
- s->insertframe = -1;
- }
-}
-
-void R_SetupForWorldRendering(void)
+#if 0
+static void gl_surf_start(void)
{
- // there is only one instance of the world, but it can be rendered in
- // multiple stages
-
- currentrenderentity = &cl_entities[0].render;
- softwaretransformidentity();
}
-static void R_SurfMarkLights (void)
+static void gl_surf_shutdown(void)
{
- int i;
- msurface_t *s;
-
- if (r_dynamic.integer)
- R_MarkLights();
-
- if (!r_vertexsurfaces.integer)
- {
- for (i = 0;i < currentrenderentity->model->nummodelsurfaces;i++)
- {
- s = currentrenderentity->model->modelsortedsurfaces[i];
- if (s->visframe == r_framecount && s->lightmaptexture != NULL)
- {
- if (s->cached_dlight
- || s->cached_ambient != r_ambient.value
- || s->cached_lightscalebit != lightscalebit)
- R_BuildLightMap(s, false); // base lighting changed
- else if (r_dynamic.integer)
- {
- if (s->styles[0] != 255 && (d_lightstylevalue[s->styles[0]] != s->cached_light[0]
- || (s->styles[1] != 255 && (d_lightstylevalue[s->styles[1]] != s->cached_light[1]
- || (s->styles[2] != 255 && (d_lightstylevalue[s->styles[2]] != s->cached_light[2]
- || (s->styles[3] != 255 && (d_lightstylevalue[s->styles[3]] != s->cached_light[3]))))))))
- //if (s->cached_light[0] != d_lightstylevalue[s->styles[0]]
- // || s->cached_light[1] != d_lightstylevalue[s->styles[1]]
- // || s->cached_light[2] != d_lightstylevalue[s->styles[2]]
- // || s->cached_light[3] != d_lightstylevalue[s->styles[3]])
- R_BuildLightMap(s, false); // base lighting changed
- else if (s->dlightframe == r_framecount && r_dlightmap.integer)
- R_BuildLightMap(s, true); // only dlights
- }
- }
- }
- }
}
-void R_MarkWorldLights(void)
+static void gl_surf_newmap(void)
{
- R_SetupForWorldRendering();
- R_SurfMarkLights();
}
+#endif
-/*
-=============
-R_DrawWorld
-=============
-*/
-void R_DrawWorld (void)
+void GL_Surf_Init(void)
{
- R_SetupForWorldRendering();
- if (r_viewleaf->contents == CONTENTS_SOLID || r_novis.integer || r_viewleaf->compressed_vis == NULL)
- R_SolidWorldNode ();
- else
- R_PVSWorldNode ();
-}
-
-/*
-=================
-R_DrawBrushModel
-=================
-*/
-void R_DrawBrushModelSky (void)
-{
- R_SetupForBModelRendering();
+ Cvar_RegisterVariable(&r_ambient);
+ Cvar_RegisterVariable(&r_drawportals);
+ Cvar_RegisterVariable(&r_testvis);
+ Cvar_RegisterVariable(&r_detailtextures);
+ Cvar_RegisterVariable(&r_surfaceworldnode);
+ Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonfactor);
+ Cvar_RegisterVariable(&r_drawcollisionbrushes_polygonoffset);
+ Cvar_RegisterVariable(&r_q3bsp_renderskydepth);
- R_PrepareSurfaces();
- R_DrawSurfaces(SHADERSTAGE_SKY);
+ //R_RegisterModule("GL_Surf", gl_surf_start, gl_surf_shutdown, gl_surf_newmap);
}
-void R_DrawBrushModelNormal (void)
-{
- c_bmodels++;
-
- // have to flush queue because of possible lightmap reuse
- R_Mesh_Render();
-
- R_SetupForBModelRendering();
-
- R_SurfMarkLights();
-
- R_PrepareSurfaces();
-
- if (!skyrendermasked)
- R_DrawSurfaces(SHADERSTAGE_SKY);
- R_DrawSurfaces(SHADERSTAGE_NORMAL);
- R_DrawSurfaces(SHADERSTAGE_FOG);
-}