cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0", "selects different tracebrush bsp recursion algorithms (for debugging purposes only)"};
cvar_t mod_q3bsp_lightmapmergepower = {CVAR_SAVE, "mod_q3bsp_lightmapmergepower", "4", "merges the quake3 128x128 lightmap textures into larger lightmap group textures to speed up rendering, 1 = 256x256, 2 = 512x512, 3 = 1024x1024, 4 = 2048x2048, 5 = 4096x4096, ..."};
cvar_t mod_q3bsp_nolightmaps = {CVAR_SAVE, "mod_q3bsp_nolightmaps", "0", "do not load lightmaps in Q3BSP maps (to save video RAM, but be warned: it looks ugly)"};
+cvar_t mod_q3bsp_tracelineofsight_brushes = {0, "mod_q3bsp_tracelineofsight_brushes", "0", "enables culling of entities behind detail brushes, curves, etc"};
static texture_t mod_q1bsp_texture_solid;
static texture_t mod_q1bsp_texture_sky;
Cvar_RegisterVariable(&mod_q3bsp_debugtracebrush);
Cvar_RegisterVariable(&mod_q3bsp_lightmapmergepower);
Cvar_RegisterVariable(&mod_q3bsp_nolightmaps);
+ Cvar_RegisterVariable(&mod_q3bsp_tracelineofsight_brushes);
memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name));
mnode_t *node, *nodestack[1024];
if (!model->brush.num_pvsclusters)
return -1;
- node = model->brush.data_nodes;
+ node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
for (;;)
{
#if 1
mnode_t *node, *nodestack[1024];
if (!model->brush.num_pvsclusters)
return true;
- node = model->brush.data_nodes;
+ node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
for (;;)
{
#if 1
mnode_t *node, *nodestack[1024];
if (!model->brush.num_leafs)
return true;
- node = model->brush.data_nodes;
+ node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
for (;;)
{
#if 1
mnode_t *node, *nodestack[1024];
if (!model->brush.num_leafs)
return true;
- node = model->brush.data_nodes;
+ node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
for (;;)
{
#if 1
}
}
-static int Mod_Q1BSP_TraceLineOfSight_RecursiveNodeCheck(mnode_t *node, double p1[3], double p2[3])
-{
- double t1, t2;
- double midf, mid[3];
- int ret, side;
-
- // check for empty
- while (node->plane)
- {
- // find the point distances
- mplane_t *plane = node->plane;
- 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)
- {
- node = node->children[1];
- continue;
- }
- side = 1;
- }
- else
- {
- if (t2 >= 0)
- {
- node = node->children[0];
- continue;
- }
- side = 0;
- }
-
- midf = t1 / (t1 - t2);
- VectorLerp(p1, midf, p2, mid);
-
- // recurse both sides, front side first
- // return 2 if empty is followed by solid (hit something)
- // do not return 2 if both are solid or both empty,
- // or if start is solid and end is empty
- // as these degenerate cases usually indicate the eye is in solid and
- // should see the target point anyway
- ret = Mod_Q1BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ], p1, mid);
- if (ret != 0)
- return ret;
- ret = Mod_Q1BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ^ 1], mid, p2);
- if (ret != 1)
- return ret;
- return 2;
- }
- return ((mleaf_t *)node)->clusterindex < 0;
-}
-
static qboolean Mod_Q1BSP_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end)
{
- // this function currently only supports same size start and end
- double tracestart[3], traceend[3];
- VectorCopy(start, tracestart);
- VectorCopy(end, traceend);
- return Mod_Q1BSP_TraceLineOfSight_RecursiveNodeCheck(model->brush.data_nodes, tracestart, traceend) != 2;
+ trace_t trace;
+ model->TraceLine(model, 0, &trace, start, end, SUPERCONTENTS_VISBLOCKERMASK);
+ return trace.fraction == 1;
}
static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(dp_model_t *model, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
p = pnext;
}
// now recalculate the node bounding boxes from the leafs
- Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes);
+ Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode);
}
/*
static void Mod_Q1BSP_MakePortals(void)
{
portalchain = NULL;
- Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes);
+ Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode);
Mod_Q1BSP_FinalizePortals();
}
static unsigned char *Mod_Q1BSP_GetPVS(dp_model_t *model, const vec3_t p)
{
mnode_t *node;
- node = model->brush.data_nodes;
+ node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
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)
}
if (!merge)
memset(pvsbuffer, 0, bytes);
- Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes);
+ Mod_Q1BSP_FatPVS_RecursiveBSPNode(model, org, radius, pvsbuffer, bytes, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode);
return bytes;
}
// textures and memory belong to the main model
mod->texturepool = NULL;
mod->mempool = NULL;
- mod->brush.TraceLineOfSight = NULL;
mod->brush.GetPVS = NULL;
mod->brush.FatPVS = NULL;
mod->brush.BoxTouchingPVS = NULL;
mod->firstmodelsurface = bm->firstface;
mod->nummodelsurfaces = bm->numfaces;
+ // set node/leaf parents for this submodel
+ Mod_Q1BSP_LoadNodes_RecursiveSetParent(mod->brush.data_nodes + mod->brushq1.hulls[0].firstclipnode, NULL);
+
// make the model surface list (used by shadowing/lighting)
mod->sortedmodelsurfaces = (int *)datapointer;datapointer += mod->nummodelsurfaces * sizeof(int);
Mod_MakeSortedSurfaces(mod);
//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]);
}
+static int Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(mnode_t *node, double p1[3], double p2[3])
+{
+ double t1, t2;
+ double midf, mid[3];
+ int ret, side;
+
+ // check for empty
+ while (node->plane)
+ {
+ // find the point distances
+ mplane_t *plane = node->plane;
+ 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)
+ {
+ node = node->children[1];
+ continue;
+ }
+ side = 1;
+ }
+ else
+ {
+ if (t2 >= 0)
+ {
+ node = node->children[0];
+ continue;
+ }
+ side = 0;
+ }
+
+ midf = t1 / (t1 - t2);
+ VectorLerp(p1, midf, p2, mid);
+
+ // recurse both sides, front side first
+ // return 2 if empty is followed by solid (hit something)
+ // do not return 2 if both are solid or both empty,
+ // or if start is solid and end is empty
+ // as these degenerate cases usually indicate the eye is in solid and
+ // should see the target point anyway
+ ret = Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ], p1, mid);
+ if (ret != 0)
+ return ret;
+ ret = Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(node->children[side ^ 1], mid, p2);
+ if (ret != 1)
+ return ret;
+ return 2;
+ }
+ return ((mleaf_t *)node)->clusterindex < 0;
+}
+
+static qboolean Mod_Q3BSP_TraceLineOfSight(struct model_s *model, const vec3_t start, const vec3_t end)
+{
+ if (model->brush.submodel || mod_q3bsp_tracelineofsight_brushes.integer)
+ {
+ trace_t trace;
+ model->TraceLine(model, 0, &trace, start, end, SUPERCONTENTS_VISBLOCKERMASK);
+ return trace.fraction == 1;
+ }
+ else
+ {
+ double tracestart[3], traceend[3];
+ VectorCopy(start, tracestart);
+ VectorCopy(end, traceend);
+ return !Mod_Q3BSP_TraceLineOfSight_RecursiveNodeCheck(model->brush.data_nodes, tracestart, traceend);
+ }
+}
+
static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const vec3_t point, int markframe)
{
int i;
mod->TraceLine = Mod_Q3BSP_TraceLine;
mod->TracePoint = Mod_Q3BSP_TracePoint;
mod->PointSuperContents = Mod_Q3BSP_PointSuperContents;
- mod->brush.TraceLineOfSight = Mod_Q1BSP_TraceLineOfSight;
+ mod->brush.TraceLineOfSight = Mod_Q3BSP_TraceLineOfSight;
mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
// textures and memory belong to the main model
mod->texturepool = NULL;
mod->mempool = NULL;
- mod->brush.TraceLineOfSight = NULL;
mod->brush.GetPVS = NULL;
mod->brush.FatPVS = NULL;
mod->brush.BoxTouchingPVS = NULL;
projects / xonotic / darkplaces.git / blobdiff