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"};
+cvar_t mod_collision_bih = {0, "mod_collision_bih", "0", "enables use of generated Bounding Interval Hierarchy tree instead of compiled bsp tree in collision code"};
static texture_t mod_q1bsp_texture_solid;
static texture_t mod_q1bsp_texture_sky;
Cvar_RegisterVariable(&mod_q3bsp_lightmapmergepower);
Cvar_RegisterVariable(&mod_q3bsp_nolightmaps);
Cvar_RegisterVariable(&mod_q3bsp_tracelineofsight_brushes);
+ Cvar_RegisterVariable(&mod_collision_bih);
memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid));
strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name));
surface = info->model->data_surfaces + *mark;
if (surface->texture->supercontents & SUPERCONTENTS_SOLID)
{
- if(surface->num_bboxstride > 0)
+ if(surface->deprecatedq3num_bboxstride > 0)
{
int i, cnt, tri;
- cnt = (surface->num_triangles + surface->num_bboxstride - 1) / surface->num_bboxstride;
+ cnt = (surface->num_triangles + surface->deprecatedq3num_bboxstride - 1) / surface->deprecatedq3num_bboxstride;
for(i = 0; i < cnt; ++i)
{
- if(BoxesOverlap(surface->data_bbox6f + i * 6, surface->data_bbox6f + i * 6 + 3, info->absmin, info->absmax))
+ if(BoxesOverlap(surface->deprecatedq3data_bbox6f + i * 6, surface->deprecatedq3data_bbox6f + i * 6 + 3, info->absmin, info->absmax))
{
- for(k = 0; k < surface->num_bboxstride; ++k)
+ for(k = 0; k < surface->deprecatedq3num_bboxstride; ++k)
{
- tri = i * surface->num_bboxstride + k;
+ tri = i * surface->deprecatedq3num_bboxstride + k;
if(tri >= surface->num_triangles)
break;
Mod_Q1BSP_FindNonSolidLocation_r_Triangle(info, surface, tri);
return Mod_Q1BSP_SuperContentsFromNativeContents(NULL, num);
}
-void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, texture_t *boxtexture)
+void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture)
{
#if 1
colbrushf_t cbox;
#endif
}
-void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, texture_t *boxtexture)
+void Collision_ClipTrace_Point(trace_t *trace, const vec3_t cmins, const vec3_t cmaxs, const vec3_t start, int hitsupercontentsmask, int boxsupercontents, int boxq3surfaceflags, const texture_t *boxtexture)
{
memset(trace, 0, sizeof(trace_t));
trace->fraction = 1;
surface = model->data_surfaces + node->firstsurface;
for (i = 0;i < node->numsurfaces;i++, surface++)
{
- if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
+ if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo || !surface->lightmapinfo->samples)
continue; // no lightmaps
// location we want to sample in the lightmap
// LordHavoc: HL sky textures are entirely different than quake
if (!loadmodel->brush.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == mtheight * 2)
{
- data = loadimagepixelsbgra(tx->name, false, false);
+ data = loadimagepixelsbgra(tx->name, false, false, r_texture_convertsRGB_skin.integer);
if (data && image_width == image_height * 2)
{
R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4);
int i, j, k;
dheader_t *header;
dmodel_t *bm;
- mempool_t *mainmempool;
float dist, modelyawradius, modelradius;
msurface_t *surface;
int numshadowmeshtriangles;
mod->numframes = 2; // regular and alternate animation
mod->numskins = 1;
- mainmempool = mod->mempool;
-
// make a single combined shadow mesh to allow optimized shadow volume creation
numshadowmeshtriangles = 0;
for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++)
if (l->filelen % sizeof(int[3]))
Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
- out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+ if(!loadmodel->brushq3.num_vertices)
+ {
+ if (count)
+ Con_Printf("Mod_Q3BSP_LoadTriangles: %s has triangles but no vertexes, broken compiler, ignoring problem\n", loadmodel->name);
+ loadmodel->brushq3.num_triangles = 0;
+ return;
+ }
+
+ out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
loadmodel->brushq3.num_triangles = count / 3;
loadmodel->brushq3.data_element3i = out;
if (*out < 0 || *out >= loadmodel->brushq3.num_vertices)
{
Con_Printf("Mod_Q3BSP_LoadTriangles: invalid vertexindex %i (%i vertices), setting to 0\n", *out, loadmodel->brushq3.num_vertices);
- if(!loadmodel->brushq3.num_vertices)
- Host_Error("Mod_Q1BSP_LoadTrianglles: %s has triangles but no vertexes, cannot fix\n", loadmodel->name);
*out = 0;
}
}
static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump)
{
q3dlightmap_t *input_pointer;
- int i, j, k, count, power, power2, mask, endlightmap, mergewidth, mergeheight;
+ int i, j, k, count, power, power2, endlightmap, mergewidth, mergeheight;
unsigned char *c;
unsigned char *convertedpixels;
if (developer_loading.integer)
Con_Printf("Using external lightmaps\n");
FS_StripExtension(loadmodel->name, mapname, sizeof(mapname));
- inpixels[0] = loadimagepixelsbgra(va("%s/lm_%04d", mapname, 0), false, false);
+ inpixels[0] = loadimagepixelsbgra(va("%s/lm_%04d", mapname, 0), false, false, false);
if(!inpixels[0])
return;
for(count = 1; ; ++count)
{
- inpixels[count] = loadimagepixelsbgra(va("%s/lm_%04d", mapname, count), false, false);
+ inpixels[count] = loadimagepixelsbgra(va("%s/lm_%04d", mapname, count), false, false, false);
if(!inpixels[count])
break; // we got all of them
if(image_width != size || image_height != size)
power = loadmodel->brushq3.num_lightmapmergepower;
power2 = power * 2;
- mask = (1 << power) - 1;
for (i = 0;i < count;i++)
{
// figure out which merged lightmap texture this fits into
{
q3dface_t *in, *oldin;
msurface_t *out, *oldout;
- int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, numvertices, numtriangles, cxtess, cytess;
+ int i, oldi, j, n, count, invalidelements, patchsize[2], finalwidth, finalheight, xtess, ytess, finalvertices, finaltriangles, firstvertex, firstelement, type, oldnumtriangles, oldnumtriangles2, meshvertices, meshtriangles, collisionvertices, collisiontriangles, numvertices, numtriangles, cxtess, cytess;
float lightmaptcbase[2], lightmaptcscale[2];
//int *originalelement3i;
//int *originalneighbor3i;
float *originalcolor4f;
float *originaltexcoordtexture2f;
float *originaltexcoordlightmap2f;
+ float *surfacecollisionvertex3f;
+ int *surfacecollisionelement3i;
float *v;
patchtess_t *patchtess = NULL;
int patchtesscount = 0;
while (again);
// Calculate resulting number of triangles
+ collisionvertices = 0;
+ collisiontriangles = 0;
for(i = 0; i < patchtesscount; ++i)
{
finalwidth = Q3PatchDimForTess(patchtess[i].info.xsize, patchtess[i].info.lods[PATCH_LOD_VISUAL].xtess);
oldout[patchtess[i].surface_id].num_triangles = numtriangles;
meshvertices += oldout[patchtess[i].surface_id].num_vertices;
meshtriangles += oldout[patchtess[i].surface_id].num_triangles;
+
+ finalwidth = Q3PatchDimForTess(patchtess[i].info.xsize, patchtess[i].info.lods[PATCH_LOD_COLLISION].xtess);
+ finalheight = Q3PatchDimForTess(patchtess[i].info.ysize,patchtess[i].info.lods[PATCH_LOD_COLLISION].ytess);
+ numvertices = finalwidth * finalheight;
+ numtriangles = (finalwidth - 1) * (finalheight - 1) * 2;
+
+ oldout[patchtess[i].surface_id].num_collisionvertices = numvertices;
+ oldout[patchtess[i].surface_id].num_collisiontriangles = numtriangles;
+ collisionvertices += oldout[patchtess[i].surface_id].num_collisionvertices;
+ collisiontriangles += oldout[patchtess[i].surface_id].num_collisiontriangles;
}
i = oldi;
in = oldin;
out = oldout;
Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
+ if (collisiontriangles)
+ {
+ loadmodel->brush.data_collisionvertex3f = Mem_Alloc(loadmodel->mempool, collisionvertices * sizeof(float[3]));
+ loadmodel->brush.data_collisionelement3i = Mem_Alloc(loadmodel->mempool, collisiontriangles * sizeof(int[3]));
+ }
meshvertices = 0;
meshtriangles = 0;
+ collisionvertices = 0;
+ collisiontriangles = 0;
for (;i < count && meshvertices + out->num_vertices <= loadmodel->surfmesh.num_vertices;i++, in++, out++)
{
if (out->num_vertices < 3 || out->num_triangles < 1)
firstelement = LittleLong(in->firstelement);
out->num_firstvertex = meshvertices;
out->num_firsttriangle = meshtriangles;
+ out->num_firstcollisiontriangle = collisiontriangles;
switch(type)
{
case Q3FACETYPE_FLAT:
finalvertices = finalwidth * finalheight;
finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
- out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
- out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
+ // legacy collision geometry implementation
+ out->deprecatedq3data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
+ out->deprecatedq3data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
out->num_collisionvertices = finalvertices;
out->num_collisiontriangles = finaltriangles;
- Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, cxtess, cytess);
- Q3PatchTriangleElements(out->data_collisionelement3i, finalwidth, finalheight, 0);
+ Q3PatchTesselateFloat(3, sizeof(float[3]), out->deprecatedq3data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, cxtess, cytess);
+ Q3PatchTriangleElements(out->deprecatedq3data_collisionelement3i, finalwidth, finalheight, 0);
//Mod_SnapVertices(3, out->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * out->num_firstvertex), 0.25);
- Mod_SnapVertices(3, out->num_collisionvertices, out->data_collisionvertex3f, 1);
+ Mod_SnapVertices(3, out->num_collisionvertices, out->deprecatedq3data_collisionvertex3f, 1);
oldnumtriangles = out->num_triangles;
oldnumtriangles2 = out->num_collisiontriangles;
- out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->data_collisionelement3i, out->data_collisionelement3i, out->data_collisionvertex3f);
+ out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, out->deprecatedq3data_collisionelement3i, out->deprecatedq3data_collisionelement3i, out->deprecatedq3data_collisionvertex3f);
// now optimize the collision mesh by finding triangle bboxes...
- Mod_Q3BSP_BuildBBoxes(out->data_collisionelement3i, out->num_collisiontriangles, out->data_collisionvertex3f, &out->data_collisionbbox6f, &out->num_collisionbboxstride, mod_q3bsp_curves_collisions_stride.integer);
- Mod_Q3BSP_BuildBBoxes(loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle, out->num_triangles, loadmodel->surfmesh.data_vertex3f, &out->data_bbox6f, &out->num_bboxstride, mod_q3bsp_curves_stride.integer);
+ Mod_Q3BSP_BuildBBoxes(out->deprecatedq3data_collisionelement3i, out->num_collisiontriangles, out->deprecatedq3data_collisionvertex3f, &out->deprecatedq3data_collisionbbox6f, &out->deprecatedq3num_collisionbboxstride, mod_q3bsp_curves_collisions_stride.integer);
+ Mod_Q3BSP_BuildBBoxes(loadmodel->surfmesh.data_element3i + 3 * out->num_firsttriangle, out->num_triangles, loadmodel->surfmesh.data_vertex3f, &out->deprecatedq3data_bbox6f, &out->deprecatedq3num_bboxstride, mod_q3bsp_curves_stride.integer);
+
+ // store collision geometry for BIH collision tree
+ surfacecollisionvertex3f = loadmodel->brush.data_collisionvertex3f + collisionvertices * 3;
+ surfacecollisionelement3i = loadmodel->brush.data_collisionelement3i + collisiontriangles * 3;
+ Q3PatchTesselateFloat(3, sizeof(float[3]), surfacecollisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, cxtess, cytess);
+ Q3PatchTriangleElements(surfacecollisionelement3i, finalwidth, finalheight, collisionvertices);
+ Mod_SnapVertices(3, finalvertices, surfacecollisionvertex3f, 1);
+ oldnumtriangles = out->num_triangles;
+ oldnumtriangles2 = out->num_collisiontriangles;
+ out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(out->num_collisiontriangles, surfacecollisionelement3i, surfacecollisionelement3i, loadmodel->brush.data_collisionvertex3f);
if (developer_extra.integer)
Con_DPrintf("Mod_Q3BSP_LoadFaces: %ix%i curve became %i:%i vertices / %i:%i triangles (%i:%i degenerate)\n", patchsize[0], patchsize[1], out->num_vertices, out->num_collisionvertices, oldnumtriangles, oldnumtriangles2, oldnumtriangles - out->num_triangles, oldnumtriangles2 - out->num_collisiontriangles);
+
+ collisionvertices += finalvertices;
+ collisiontriangles += out->num_collisiontriangles;
break;
default:
break;
}
}
+static void Mod_BIH_TracePoint_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const vec3_t point)
+{
+ const bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ int axis;
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+ axis = node->type - BIH_SPLITX;
+ if (point[axis] <= node->backmax)
+ {
+ if (point[axis] >= node->frontmin)
+ Mod_BIH_TracePoint_RecursiveBIHNode(trace, model, node->front, point);
+ nodenum = node->back;
+ }
+ else if (point[axis] >= node->frontmin)
+ nodenum = node->front;
+ else // no overlap with either child? just return
+ return;
+ }
+ if (!model->collision_bih.leafs)
+ return;
+ leaf = model->collision_bih.leafs + (-1-nodenum);
+ switch(leaf->type)
+ {
+ case BIH_LEAF:
+ // brush
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TracePointBrushFloat(trace, point, brush);
+ break;
+ case BIH_LEAF + 1:
+ // triangle - skipped because they have no volume
+ break;
+ default:
+ break;
+ }
+}
+
+static void Mod_BIH_TraceLine_RecursiveBIHNode(trace_t *trace, dp_model_t *model, int nodenum, const vec3_t start, const vec3_t end, const vec3_t linestart, const vec3_t lineend)
+{
+ const bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ const int *e;
+ const texture_t *texture;
+ int axis;
+#if 0
+ int sideflags;
+ vec_t frontdist1;
+ vec_t frontdist2;
+ vec_t frontfrac;
+ vec_t backdist1;
+ vec_t backdist2;
+ vec_t backfrac;
+ vec3_t clipped[2];
+#endif
+ vec3_t segmentmins;
+ vec3_t segmentmaxs;
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+#if 0
+ if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
+ return;
+#endif
+ axis = node->type - BIH_SPLITX;
+#if 1
+ if (segmentmins[axis] <= node->backmax)
+ {
+ if (segmentmaxs[axis] >= node->frontmin)
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ nodenum = node->back;
+ }
+ else if (segmentmaxs[axis] >= node->frontmin)
+ nodenum = node->front;
+ else
+ return; // trace falls between children
+#else
+ frontdist1 = start[axis] - node->backmax;
+ frontdist2 = end[axis] - node->backmax;
+ backdist1 = start[axis] - node->frontmin;
+ backdist2 = end[axis] - node->frontmin;
+ sideflags = 0;
+ if (frontdist1 < 0)
+ sideflags |= 1;
+ if (frontdist2 < 0)
+ sideflags |= 2;
+ if (backdist1 < 0)
+ sideflags |= 4;
+ if (backdist2 < 0)
+ sideflags |= 8;
+ switch(sideflags)
+ {
+ case 0:
+ // start end START END
+ nodenum = node->front;
+ continue;
+ case 1:
+ // START end START END
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->front;
+ break;
+ case 2:
+ // start END START END
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->front;
+ break;
+ case 3:
+ // START END START END
+ return; // line falls in gap between children
+ case 4:
+ // start end start END
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 5:
+ // START end start END
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 6:
+ // start END start END
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 7:
+ // START END start END
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ end = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 8:
+ // start end START end
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 9:
+ // START end START end
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 10:
+ // start END START end
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 11:
+ // START END START end
+ backfrac = backdist1 / (backdist1 - backdist2);
+ VectorLerp(start, backfrac, end, clipped[0]);
+ start = clipped[0];
+ segmentmins[0] = min(start[0], end[0]);
+ segmentmins[1] = min(start[1], end[1]);
+ segmentmins[2] = min(start[2], end[2]);
+ segmentmaxs[0] = max(start[0], end[0]);
+ segmentmaxs[1] = max(start[1], end[1]);
+ segmentmaxs[2] = max(start[2], end[2]);
+ nodenum = node->back;
+ break;
+ case 12:
+ // start end start end
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend);
+ nodenum = node->back;
+ break;
+ case 13:
+ // START end start end
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped[1], end, linestart, lineend);
+ nodenum = node->back;
+ break;
+ case 14:
+ // start END start end
+ frontfrac = frontdist1 / (frontdist1 - frontdist2);
+ VectorLerp(start, frontfrac, end, clipped[1]);
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped[1], linestart, lineend);
+ nodenum = node->back;
+ break;
+ case 15:
+ // START END start end
+ nodenum = node->back;
+ continue;
+ }
+#endif
+ }
+ 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_LEAF:
+ // brush
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TraceLineBrushFloat(trace, linestart, lineend, brush, brush);
+ break;
+ case BIH_LEAF + 1:
+ // triangle
+ 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;
+ default:
+ break;
+ }
+}
+
+static void Mod_BIH_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 bih_leaf_t *leaf;
+ const bih_node_t *node;
+ const colbrushf_t *brush;
+ const int *e;
+ const texture_t *texture;
+ int axis;
+ while (nodenum >= 0)
+ {
+ node = model->collision_bih.nodes + nodenum;
+ axis = node->type - BIH_SPLITX;
+#if 0
+#if 0
+ if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs))
+ return;
+#endif
+ Mod_BIH_TraceBrush_RecursiveBIHNode(trace, model, node->front, thisbrush_start, thisbrush_end, segmentmins, segmentmaxs);
+ nodenum = node->back;
+ continue;
+#endif
+ if (segmentmins[axis] <= node->backmax)
+ {
+ if (segmentmaxs[axis] >= node->frontmin)
+ Mod_BIH_TraceBrush_RecursiveBIHNode(trace, model, node->front, thisbrush_start, thisbrush_end, segmentmins, segmentmaxs);
+ nodenum = node->back;
+ }
+ else if (segmentmaxs[axis] >= node->frontmin)
+ nodenum = node->front;
+ 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_LEAF:
+ // brush
+ brush = model->brush.data_brushes[leaf->itemindex].colbrushf;
+ Collision_TraceBrushBrushFloat(trace, thisbrush_start, thisbrush_end, brush, brush);
+ break;
+ case BIH_LEAF + 1:
+ // triangle
+ 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;
+ default:
+ break;
+ }
+}
+
static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const vec3_t point, int markframe)
{
int i;
for (i = 0;i < leaf->numleafsurfaces;i++)
{
surface = model->data_surfaces + leaf->firstleafsurface[i];
- if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
+ if (surface->num_collisiontriangles && surface->deprecatedq3collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
{
- surface->collisionmarkframe = markframe;
- Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->num_collisionbboxstride, surface->data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
+ surface->deprecatedq3collisionmarkframe = markframe;
+ Collision_TraceLineTriangleMeshFloat(trace, linestart, lineend, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
}
}
}
for (i = 0;i < leaf->numleafsurfaces;i++)
{
surface = model->data_surfaces + leaf->firstleafsurface[i];
- if (surface->num_collisiontriangles && surface->collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
+ if (surface->num_collisiontriangles && surface->deprecatedq3collisionmarkframe != markframe && BoxesOverlap(nodesegmentmins, nodesegmentmaxs, surface->mins, surface->maxs))
{
- surface->collisionmarkframe = markframe;
- Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->num_collisionbboxstride, surface->data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
+ surface->deprecatedq3collisionmarkframe = markframe;
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
}
}
}
trace->fraction = 1;
trace->realfraction = 1;
trace->hitsupercontentsmask = hitsupercontentsmask;
- if (model->brush.submodel)
+ if (mod_collision_bih.integer)
+ Mod_BIH_TracePoint_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start);
+ else if (model->brush.submodel)
{
for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
if (brush->colbrushf)
segmentmaxs[0] = max(start[0], end[0]) + 1;
segmentmaxs[1] = max(start[1], end[1]) + 1;
segmentmaxs[2] = max(start[2], end[2]) + 1;
- if (model->brush.submodel)
+ if (mod_collision_bih.integer)
+ Mod_BIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end);
+ else if (model->brush.submodel)
{
for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
if (brush->colbrushf)
if (mod_q3bsp_curves_collisions.integer)
for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
if (surface->num_collisiontriangles)
- Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->num_collisionbboxstride, surface->data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
+ Collision_TraceLineTriangleMeshFloat(trace, start, end, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
}
else
Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, model->brush.data_nodes, start, end, 0, 1, start, end, ++markframe, segmentmins, segmentmaxs);
VectorAdd(end, boxmaxs, boxendmaxs);
Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL);
Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL);
- if (model->brush.submodel)
+ if (mod_collision_bih.integer)
+ Mod_BIH_TraceBrush_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, &thisbrush_start.brush, &thisbrush_end.brush, segmentmins, segmentmaxs);
+ else if (model->brush.submodel)
{
for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
if (brush->colbrushf)
if (mod_q3bsp_curves_collisions.integer)
for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
if (surface->num_collisiontriangles)
- Collision_TraceBrushTriangleMeshFloat(trace, &thisbrush_start.brush, &thisbrush_end.brush, surface->num_collisiontriangles, surface->data_collisionelement3i, surface->data_collisionvertex3f, surface->num_collisionbboxstride, surface->data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
+ Collision_TraceBrushTriangleMeshFloat(trace, &thisbrush_start.brush, &thisbrush_end.brush, surface->num_collisiontriangles, surface->deprecatedq3data_collisionelement3i, surface->deprecatedq3data_collisionvertex3f, surface->deprecatedq3num_collisionbboxstride, surface->deprecatedq3data_collisionbbox6f, surface->texture->supercontents, surface->texture->surfaceflags, surface->texture, segmentmins, segmentmaxs);
}
else
Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, model->brush.data_nodes, &thisbrush_start.brush, &thisbrush_end.brush, ++markframe, segmentmins, segmentmaxs);
int i;
int supercontents = 0;
q3mbrush_t *brush;
+ if (mod_collision_bih.integer)
+ {
+ trace_t trace;
+ Mod_Q3BSP_TracePoint(model, NULL, NULL, &trace, point, 0);
+ supercontents = trace.startsupercontents;
+ }
// test if the point is inside each brush
- if (model->brush.submodel)
+ else if (model->brush.submodel)
{
// submodels are effectively one leaf
for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
return supercontents;
}
+void Mod_MakeCollisionData(dp_model_t *model)
+{
+ int j;
+ int bihnumleafs;
+ int bihmaxnodes;
+ int brushindex;
+ int triangleindex;
+ int bihleafindex;
+ int nummodelbrushes = model->nummodelbrushes;
+ int nummodelsurfaces = model->nummodelsurfaces;
+ const int *e;
+ const int *collisionelement3i;
+ const float *collisionvertex3f;
+ bih_leaf_t *bihleafs;
+ bih_node_t *bihnodes;
+ int *temp_leafsort;
+ int *temp_leafsortscratch;
+ const msurface_t *surface;
+ const q3mbrush_t *brush;
+
+ // find out how many BIH leaf nodes we need
+ bihnumleafs = model->nummodelbrushes;
+ surface = model->data_surfaces + model->firstmodelsurface;
+ for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
+ bihnumleafs += surface->num_collisiontriangles;
+ bihmaxnodes = bihnumleafs - 1;
+
+ // allocate the memory for the BIH leaf nodes
+ bihleafs = Mem_Alloc(loadmodel->mempool, sizeof(bih_leaf_t) * bihnumleafs);
+
+ // add BIH leaf nodes for all the collision brushes
+ bihleafindex = 0;
+ for (brushindex = 0, brush = model->brush.data_brushes + brushindex+model->firstmodelbrush;brushindex < nummodelbrushes;brushindex++, brush++)
+ {
+ bihleafs[bihleafindex].type = BIH_LEAF;
+ bihleafs[bihleafindex].textureindex = brush->texture - model->data_textures;
+ bihleafs[bihleafindex].itemindex = brushindex+model->firstmodelbrush;
+ VectorCopy(brush->colbrushf->mins, bihleafs[bihleafindex].mins);
+ VectorCopy(brush->colbrushf->maxs, bihleafs[bihleafindex].maxs);
+ bihleafindex++;
+ }
+
+ // add BIH leaf nodes for all the collision surfaces
+ collisionelement3i = model->brush.data_collisionelement3i;
+ collisionvertex3f = model->brush.data_collisionvertex3f;
+ for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++)
+ {
+ e = collisionelement3i + 3*surface->num_firstcollisiontriangle;
+ for (triangleindex = 0;triangleindex < surface->num_collisiontriangles;triangleindex++, e += 3)
+ {
+ bihleafs[bihleafindex].type = BIH_LEAF + 1;
+ bihleafs[bihleafindex].textureindex = surface->texture - model->data_textures;
+ bihleafs[bihleafindex].itemindex = triangleindex+surface->num_firstcollisiontriangle;
+ bihleafs[bihleafindex].mins[0] = min(collisionvertex3f[3*e[0]+0], min(collisionvertex3f[3*e[1]+0], collisionvertex3f[3*e[2]+0])) - 1;
+ bihleafs[bihleafindex].mins[1] = min(collisionvertex3f[3*e[0]+1], min(collisionvertex3f[3*e[1]+1], collisionvertex3f[3*e[2]+1])) - 1;
+ bihleafs[bihleafindex].mins[2] = min(collisionvertex3f[3*e[0]+2], min(collisionvertex3f[3*e[1]+2], collisionvertex3f[3*e[2]+2])) - 1;
+ bihleafs[bihleafindex].maxs[0] = max(collisionvertex3f[3*e[0]+0], max(collisionvertex3f[3*e[1]+0], collisionvertex3f[3*e[2]+0])) + 1;
+ bihleafs[bihleafindex].maxs[1] = max(collisionvertex3f[3*e[0]+1], max(collisionvertex3f[3*e[1]+1], collisionvertex3f[3*e[2]+1])) + 1;
+ bihleafs[bihleafindex].maxs[2] = max(collisionvertex3f[3*e[0]+2], max(collisionvertex3f[3*e[1]+2], collisionvertex3f[3*e[2]+2])) + 1;
+ bihleafindex++;
+ }
+ }
+
+ // allocate buffers for the produced and temporary data
+ bihnodes = Mem_Alloc(loadmodel->mempool, sizeof(bih_node_t) * bihmaxnodes);
+ temp_leafsort = Mem_Alloc(loadmodel->mempool, sizeof(int) * bihnumleafs * 2);
+ temp_leafsortscratch = temp_leafsort + bihnumleafs;
+
+ // now build it
+ BIH_Build(&model->collision_bih, bihnumleafs, bihleafs, bihmaxnodes, bihnodes, temp_leafsort, temp_leafsortscratch);
+
+ // we're done with the temporary data
+ Mem_Free(temp_leafsort);
+
+ // resize the BIH nodes array if it over-allocated
+ if (model->collision_bih.maxnodes > model->collision_bih.numnodes)
+ {
+ model->collision_bih.maxnodes = model->collision_bih.numnodes;
+ model->collision_bih.nodes = Mem_Realloc(loadmodel->mempool, model->collision_bih.nodes, model->collision_bih.numnodes * sizeof(bih_node_t));
+ }
+}
+
static int Mod_Q3BSP_SuperContentsFromNativeContents(dp_model_t *model, int nativecontents)
{
int supercontents = 0;
if (surface->num_triangles > 0)
Mod_ShadowMesh_AddMesh(loadmodel->mempool, loadmodel->brush.shadowmesh, NULL, NULL, NULL, loadmodel->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
loadmodel->brush.shadowmesh = Mod_ShadowMesh_Finish(loadmodel->mempool, loadmodel->brush.shadowmesh, false, true, false);
- Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
+ if (loadmodel->brush.shadowmesh)
+ Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
}
loadmodel->brush.num_leafs = 0;
if (j < mod->nummodelsurfaces)
mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes;
+ Mod_MakeCollisionData(mod);
+
// generate VBOs and other shared data before cloning submodels
if (i == 0)
Mod_BuildVBOs();
{
VectorCopy(vertexhashdata[j].v, loadmodel->surfmesh.data_vertex3f + 3*j);
VectorCopy(vertexhashdata[j].vn, loadmodel->surfmesh.data_normal3f + 3*j);
- VectorCopy(vertexhashdata[j].vt, loadmodel->surfmesh.data_texcoordtexture2f + 2*j);
+ Vector2Copy(vertexhashdata[j].vt, loadmodel->surfmesh.data_texcoordtexture2f + 2*j);
}
// load the textures
projects / xonotic / darkplaces.git / blobdiff