cvar_t mod_q1bsp_polygoncollisions = {0, "mod_q1bsp_polygoncollisions", "0", "disables use of precomputed cliphulls and instead collides with polygons (uses Bounding Interval Hierarchy optimizations)"};
cvar_t mod_collision_bih = {0, "mod_collision_bih", "1", "enables use of generated Bounding Interval Hierarchy tree instead of compiled bsp tree in collision code"};
-cvar_t mod_collision_bih_childrengrouping = {0, "mod_collision_bih_childrengrouping", "16", "this setting prevents excessive recursion depth in the BIH tree by building a shallow tree"};
cvar_t mod_recalculatenodeboxes = {0, "mod_recalculatenodeboxes", "1", "enables use of generated node bounding boxes based on BSP tree portal reconstruction, rather than the node boxes supplied by the map compiler"};
static texture_t mod_q1bsp_texture_solid;
Cvar_RegisterVariable(&mod_q3shader_default_polygonoffset);
Cvar_RegisterVariable(&mod_q1bsp_polygoncollisions);
Cvar_RegisterVariable(&mod_collision_bih);
- Cvar_RegisterVariable(&mod_collision_bih_childrengrouping);
Cvar_RegisterVariable(&mod_recalculatenodeboxes);
memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
const bih_node_t *node;
const colbrushf_t *brush;
int axis;
- while (nodenum >= 0)
+ for(;;)
{
node = model->collision_bih.nodes + nodenum;
if (node->type == BIH_UNORDERED)
else // no overlap with either child? just return
return;
}
- if (!model->collision_bih.leafs)
- return;
- leaf = model->collision_bih.leafs + (-1-nodenum);
-#if 1
- if (!BoxesOverlap(point, point, leaf->mins, leaf->maxs))
- return;
-#endif
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TracePointBrushFloat(trace, point, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- // collision triangle - skipped because they have no volume
- break;
- case BIH_RENDERTRIANGLE:
- // render triangle - skipped because they have no volume
- break;
- }
}
static void Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace_t *trace, dp_model_t *model, bih_t *bih, int nodenum, const vec3_t start, const vec3_t end, const vec3_t linestart, const vec3_t lineend)
segmentmaxs[0] = max(start[0], end[0]);
segmentmaxs[1] = max(start[1], end[1]);
segmentmaxs[2] = max(start[2], end[2]);
- while (nodenum >= 0)
+ for (;;)
{
node = bih->nodes + nodenum;
#if 0
#endif
#endif
}
- if (!bih->leafs)
- return;
- leaf = bih->leafs + (-1-nodenum);
-#if 1
- if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
- return;
-#endif
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- if (!mod_q3bsp_curves_collisions.integer)
- return;
- e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceLineTriangleFloat(trace, linestart, lineend, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- case BIH_RENDERTRIANGLE:
- e = model->surfmesh.data_element3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceLineTriangleFloat(trace, linestart, lineend, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- }
}
static void Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const colbrushf_t *thisbrush_start, const colbrushf_t *thisbrush_end, const vec3_t segmentmins, const vec3_t segmentmaxs)
const int *e;
const texture_t *texture;
int axis;
- while (nodenum >= 0)
+ for(;;)
{
node = model->collision_bih.nodes + nodenum;
if (node->type == BIH_UNORDERED)
else
return; // trace falls between children
}
- if (!model->collision_bih.leafs)
- return;
- leaf = model->collision_bih.leafs + (-1-nodenum);
-#if 1
- if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs))
- return;
-#endif
- switch(leaf->type)
- {
- case BIH_BRUSH:
- brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
- Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
- break;
- case BIH_COLLISIONTRIANGLE:
- if (!mod_q3bsp_curves_collisions.integer)
- return;
- e = model->brush.data_collisionelement3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->brush.data_collisionvertex3f + e[0] * 3, model->brush.data_collisionvertex3f + e[1] * 3, model->brush.data_collisionvertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- case BIH_RENDERTRIANGLE:
- e = model->surfmesh.data_element3i + 3*leaf->itemindex;
- texture = model->data_textures + leaf->textureindex;
- Collision_TraceBrushTriangleFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.data_vertex3f + e[0] * 3, model->surfmesh.data_vertex3f + e[1] * 3, model->surfmesh.data_vertex3f + e[2] * 3, texture->supercontents, texture->surfaceflags, texture);
- break;
- }
}
void Mod_CollisionBIH_TracePoint(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask)
temp_leafsortscratch = temp_leafsort + bihnumleafs;
// now build it
- BIH_Build(out, bihnumleafs, bihleafs, bihmaxnodes, bihnodes, temp_leafsort, temp_leafsortscratch, mod_collision_bih_childrengrouping.integer);
+ BIH_Build(out, bihnumleafs, bihleafs, bihmaxnodes, bihnodes, temp_leafsort, temp_leafsortscratch);
// we're done with the temporary data
Mem_Free(temp_leafsort);
projects / xonotic / darkplaces.git / blobdiff