X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=model_brush.c;h=3cfca8c96ef80b9a6544ef7fd1d758efba12478e;hb=ccb5fe100fa4f0005123933dcdf4e9d3ad878687;hp=7b965f450895a72e8e1fccb8b5b50c5537c97327;hpb=67a973fc0fbf946d2cd4e4735be901897880a365;p=xonotic%2Fdarkplaces.git diff --git a/model_brush.c b/model_brush.c index 7b965f45..3cfca8c9 100644 --- a/model_brush.c +++ b/model_brush.c @@ -28,7 +28,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128", "how large water polygons should be (smaller values produce more polygons which give better warping effects)"}; cvar_t r_novis = {0, "r_novis", "0", "draws whole level, see also sv_cullentities_pvs 0"}; -cvar_t r_picmipworld = {CVAR_SAVE, "r_picmipworld", "1", "whether gl_picmip shall apply to world textures too"}; cvar_t r_nosurftextures = {0, "r_nosurftextures", "0", "pretends there was no texture lump found in the q1bsp/hlbsp loading (useful for debugging this rare case)"}; cvar_t r_subdivisions_tolerance = {0, "r_subdivisions_tolerance", "4", "maximum error tolerance on curve subdivision for rendering purposes (in other words, the curves will be given as many polygons as necessary to represent curves at this quality)"}; cvar_t r_subdivisions_mintess = {0, "r_subdivisions_mintess", "0", "minimum number of subdivisions (values above 0 will smooth curves that don't need it)"}; @@ -46,6 +45,11 @@ cvar_t mod_q3bsp_debugtracebrush = {0, "mod_q3bsp_debugtracebrush", "0", "select 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_q3shader_default_offsetmapping = {CVAR_SAVE, "mod_q3shader_default_offsetmapping", "1", "use offsetmapping by default on all surfaces"}; + +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_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; static texture_t mod_q1bsp_texture_sky; @@ -57,7 +61,6 @@ void Mod_BrushInit(void) { // Cvar_RegisterVariable(&r_subdivide_size); Cvar_RegisterVariable(&r_novis); - Cvar_RegisterVariable(&r_picmipworld); Cvar_RegisterVariable(&r_nosurftextures); Cvar_RegisterVariable(&r_subdivisions_tolerance); Cvar_RegisterVariable(&r_subdivisions_mintess); @@ -75,6 +78,10 @@ void Mod_BrushInit(void) Cvar_RegisterVariable(&mod_q3bsp_lightmapmergepower); Cvar_RegisterVariable(&mod_q3bsp_nolightmaps); Cvar_RegisterVariable(&mod_q3bsp_tracelineofsight_brushes); + Cvar_RegisterVariable(&mod_q3shader_default_offsetmapping); + Cvar_RegisterVariable(&mod_q1bsp_polygoncollisions); + Cvar_RegisterVariable(&mod_collision_bih); + Cvar_RegisterVariable(&mod_recalculatenodeboxes); memset(&mod_q1bsp_texture_solid, 0, sizeof(mod_q1bsp_texture_solid)); strlcpy(mod_q1bsp_texture_solid.name, "solid" , sizeof(mod_q1bsp_texture_solid.name)); @@ -522,17 +529,17 @@ static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *in 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); @@ -1017,7 +1024,7 @@ static int Mod_Q1BSP_PointSuperContents(struct model_s *model, int frame, const 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; @@ -1123,7 +1130,7 @@ void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cm #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; @@ -1326,8 +1333,8 @@ void R_Q1BSP_LoadSplitSky (unsigned char *src, int width, int height, int bytesp int x, y; int w = width/2; int h = height; - unsigned *solidpixels = Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4])); - unsigned *alphapixels = Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4])); + unsigned int *solidpixels = (unsigned int *)Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4])); + unsigned int *alphapixels = (unsigned int *)Mem_Alloc(tempmempool, w*h*sizeof(unsigned char[4])); // allocate a texture pool if we need it if (loadmodel->texturepool == NULL && cls.state != ca_dedicated) @@ -1459,6 +1466,8 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l) tx->reflectfactor = 1; Vector4Set(tx->reflectcolor4f, 1, 1, 1, 1); tx->r_water_wateralpha = 1; + tx->offsetmapping = OFFSETMAPPING_OFF; + tx->offsetscale = 1; tx->specularscalemod = 1; tx->specularpowermod = 1; } @@ -1567,7 +1576,9 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l) // 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(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s/%s", mapname, tx->name), false, false, r_texture_convertsRGB_skin.integer != 0, NULL); + if (!data) + data = loadimagepixelsbgra(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), false, false, r_texture_convertsRGB_skin.integer != 0, NULL); if (data && image_width == image_height * 2) { R_Q1BSP_LoadSplitSky(data, image_width, image_height, 4); @@ -1578,9 +1589,9 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l) } else { - skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s/%s", mapname, tx->name), TEXF_ALPHA | TEXF_MIPMAP | (r_picmipworld.integer ? TEXF_PICMIP : 0) | TEXF_COMPRESS, false); + skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s/%s", mapname, tx->name), TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS, false); if (!skinframe) - skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), TEXF_ALPHA | TEXF_MIPMAP | (r_picmipworld.integer ? TEXF_PICMIP : 0) | TEXF_COMPRESS, false); + skinframe = R_SkinFrame_LoadExternal(gamemode == GAME_TENEBRAE ? tx->name : va("textures/%s", tx->name), TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS, false); if (!skinframe) { // did not find external texture, load it from the bsp or wad3 @@ -1597,13 +1608,13 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l) { tx->width = image_width; tx->height = image_height; - skinframe = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_ALPHA | TEXF_MIPMAP | (r_picmipworld.integer ? TEXF_PICMIP : 0), pixels, image_width, image_height); + skinframe = R_SkinFrame_LoadInternalBGRA(tx->name, TEXF_ALPHA | TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP, pixels, image_width, image_height); } if (freepixels) Mem_Free(freepixels); } else if (mtdata) // texture included - skinframe = R_SkinFrame_LoadInternalQuake(tx->name, TEXF_MIPMAP | (r_picmipworld.integer ? TEXF_PICMIP : 0), false, r_fullbrights.integer, mtdata, tx->width, tx->height); + skinframe = R_SkinFrame_LoadInternalQuake(tx->name, TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP, false, r_fullbrights.integer, mtdata, tx->width, tx->height); } // if skinframe is still NULL the "missing" texture will be used if (skinframe) @@ -2443,11 +2454,11 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l) loadmodel->texturepool = R_AllocTexturePool(); // could not find room, make a new lightmap loadmodel->brushq3.num_mergedlightmaps = lightmapnumber + 1; - loadmodel->brushq3.data_lightmaps = Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_lightmaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_lightmaps[0])); - loadmodel->brushq3.data_deluxemaps = Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_deluxemaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_deluxemaps[0])); - loadmodel->brushq3.data_lightmaps[lightmapnumber] = lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, NULL); + loadmodel->brushq3.data_lightmaps = (rtexture_t **)Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_lightmaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_lightmaps[0])); + loadmodel->brushq3.data_deluxemaps = (rtexture_t **)Mem_Realloc(loadmodel->mempool, loadmodel->brushq3.data_deluxemaps, loadmodel->brushq3.num_mergedlightmaps * sizeof(loadmodel->brushq3.data_deluxemaps[0])); + loadmodel->brushq3.data_lightmaps[lightmapnumber] = lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, -1, NULL); if (loadmodel->brushq1.nmaplightdata) - loadmodel->brushq3.data_deluxemaps[lightmapnumber] = deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, NULL); + loadmodel->brushq3.data_deluxemaps[lightmapnumber] = deluxemaptexture = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%i", lightmapnumber), lightmapsize, lightmapsize, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_ALLOWUPDATES, -1, NULL); lightmapnumber++; Mod_AllocLightmap_Reset(&allocState); Mod_AllocLightmap_Block(&allocState, ssize, tsize, &lightmapx, &lightmapy); @@ -2963,10 +2974,13 @@ static void Mod_Q1BSP_FinalizePortals(void) // leafs (because qbsp is very sloppy) leaf = loadmodel->brush.data_leafs; endleaf = leaf + loadmodel->brush.num_leafs; - for (;leaf < endleaf;leaf++) + if (mod_recalculatenodeboxes.integer) { - VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000); - VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000); + for (;leaf < endleaf;leaf++) + { + VectorSet(leaf->mins, 2000000000, 2000000000, 2000000000); + VectorSet(leaf->maxs, -2000000000, -2000000000, -2000000000); + } } numportals = 0; numpoints = 0; @@ -3051,23 +3065,27 @@ static void Mod_Q1BSP_FinalizePortals(void) portal++; } // add the portal's polygon points to the leaf bounding boxes - for (i = 0;i < 2;i++) + if (mod_recalculatenodeboxes.integer) { - leaf = (mleaf_t *)p->nodes[i]; - for (j = 0;j < p->numpoints;j++) + for (i = 0;i < 2;i++) { - if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0]; - if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1]; - if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2]; - if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0]; - if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1]; - if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2]; + leaf = (mleaf_t *)p->nodes[i]; + for (j = 0;j < p->numpoints;j++) + { + if (leaf->mins[0] > p->points[j*3+0]) leaf->mins[0] = p->points[j*3+0]; + if (leaf->mins[1] > p->points[j*3+1]) leaf->mins[1] = p->points[j*3+1]; + if (leaf->mins[2] > p->points[j*3+2]) leaf->mins[2] = p->points[j*3+2]; + if (leaf->maxs[0] < p->points[j*3+0]) leaf->maxs[0] = p->points[j*3+0]; + if (leaf->maxs[1] < p->points[j*3+1]) leaf->maxs[1] = p->points[j*3+1]; + if (leaf->maxs[2] < p->points[j*3+2]) leaf->maxs[2] = p->points[j*3+2]; + } } } } } // now recalculate the node bounding boxes from the leafs - Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode); + if (mod_recalculatenodeboxes.integer) + Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode); } /* @@ -3164,7 +3182,7 @@ static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node) if (portalpointsbuffersize < portalpointsbufferoffset + 6*MAX_PORTALPOINTS) { portalpointsbuffersize = portalpointsbufferoffset * 2; - portalpointsbuffer = Mem_Realloc(loadmodel->mempool, portalpointsbuffer, portalpointsbuffersize * sizeof(*portalpointsbuffer)); + portalpointsbuffer = (double *)Mem_Realloc(loadmodel->mempool, portalpointsbuffer, portalpointsbuffersize * sizeof(*portalpointsbuffer)); } frontpoints = portalpointsbuffer + portalpointsbufferoffset; portalpointsbufferoffset += 3*MAX_PORTALPOINTS; @@ -3297,7 +3315,7 @@ static void Mod_Q1BSP_MakePortals(void) Mem_ExpandableArray_NewArray(&portalarray, loadmodel->mempool, sizeof(portal_t), 1020*1024/sizeof(portal_t)); portalpointsbufferoffset = 0; portalpointsbuffersize = 6*MAX_PORTALPOINTS*128; - portalpointsbuffer = Mem_Alloc(loadmodel->mempool, portalpointsbuffersize * sizeof(*portalpointsbuffer)); + portalpointsbuffer = (double *)Mem_Alloc(loadmodel->mempool, portalpointsbuffersize * sizeof(*portalpointsbuffer)); Mod_Q1BSP_RecursiveNodePortals(loadmodel->brush.data_nodes + loadmodel->brushq1.hulls[0].firstclipnode); Mem_Free(portalpointsbuffer); portalpointsbuffer = NULL; @@ -3397,12 +3415,36 @@ static void Mod_Q1BSP_RoundUpToHullSize(dp_model_t *cmodel, const vec3_t inmins, VectorAdd(inmins, hull->clip_size, outmaxs); } +static int Mod_Q1BSP_CreateShadowMesh(dp_model_t *mod) +{ + int j; + int numshadowmeshtriangles = 0; + msurface_t *surface; + if (cls.state == ca_dedicated) + return 0; + // make a single combined shadow mesh to allow optimized shadow volume creation + + for (j = 0, surface = mod->data_surfaces;j < mod->num_surfaces;j++, surface++) + { + surface->num_firstshadowmeshtriangle = numshadowmeshtriangles; + numshadowmeshtriangles += surface->num_triangles; + } + mod->brush.shadowmesh = Mod_ShadowMesh_Begin(mod->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true); + for (j = 0, surface = mod->data_surfaces;j < mod->num_surfaces;j++, surface++) + if (surface->num_triangles > 0) + Mod_ShadowMesh_AddMesh(mod->mempool, mod->brush.shadowmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle)); + mod->brush.shadowmesh = Mod_ShadowMesh_Finish(mod->mempool, mod->brush.shadowmesh, false, true, false); + if (mod->brush.shadowmesh) + Mod_BuildTriangleNeighbors(mod->brush.shadowmesh->neighbor3i, mod->brush.shadowmesh->element3i, mod->brush.shadowmesh->numtriangles); + + return numshadowmeshtriangles; +} + void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) { int i, j, k; dheader_t *header; dmodel_t *bm; - mempool_t *mainmempool; float dist, modelyawradius, modelradius; msurface_t *surface; int numshadowmeshtriangles; @@ -3532,20 +3574,8 @@ void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) 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++) - { - surface->num_firstshadowmeshtriangle = numshadowmeshtriangles; - numshadowmeshtriangles += surface->num_triangles; - } - loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true); - for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++) - 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); + numshadowmeshtriangles = Mod_Q1BSP_CreateShadowMesh(loadmodel); if (loadmodel->brush.numsubmodels) loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *)); @@ -3671,7 +3701,7 @@ void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) mod->DrawSky = R_Q1BSP_DrawSky; for (j = 0, surface = &mod->data_surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surface++) - if (surface->texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION)) + if (surface->texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)) break; if (j < mod->nummodelsurfaces) mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes; @@ -3721,6 +3751,16 @@ void Mod_Q1BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) } //mod->brushq1.num_visleafs = bm->visleafs; + if (mod_q1bsp_polygoncollisions.integer) + { + Mod_MakeCollisionBIH(mod, true, &mod->collision_bih); + // point traces and contents checks still use the bsp tree + mod->TraceLine = Mod_CollisionBIH_TraceLine; + mod->TraceBox = Mod_CollisionBIH_TraceBox; + } + else + Mod_MakeCollisionBIH(mod, true, &mod->render_bih); + // generate VBOs and other shared data before cloning submodels if (i == 0) { @@ -4258,13 +4298,11 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l) strlcpy (out[i].name, in[i].name, sizeof (out[i].name)); out[i].surfaceflags = LittleLong(in[i].surfaceflags); out[i].supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in[i].contents)); + Mod_LoadTextureFromQ3Shader(out + i, out[i].name, true, true, TEXF_MIPMAP | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS); + // restore the surfaceflags and supercontents + out[i].surfaceflags = LittleLong(in[i].surfaceflags); + out[i].supercontents = Mod_Q3BSP_SuperContentsFromNativeContents(loadmodel, LittleLong(in[i].contents)); } - - if (cls.state == ca_dedicated) - return; - - for (i = 0;i < count;i++, in++, out++) - Mod_LoadTextureFromQ3Shader(out, out->name, true, true, TEXF_MIPMAP | (r_picmipworld.integer ? TEXF_PICMIP : 0) | TEXF_COMPRESS); } static void Mod_Q3BSP_LoadPlanes(lump_t *l) @@ -4481,8 +4519,16 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l) 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; @@ -4492,8 +4538,6 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l) 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; } } @@ -4502,7 +4546,7 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l) 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; @@ -4546,7 +4590,7 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump) 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, NULL); if(!inpixels[0]) return; @@ -4566,14 +4610,15 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump) 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, NULL); if(!inpixels[count]) break; // we got all of them if(image_width != size || image_height != size) { - for(i = 0; i <= count; ++i) - Mem_Free(inpixels[i]); - Host_Error("Mod_Q3BSP_LoadLightmaps: invalid external lightmap size in %s",loadmodel->name); + Mem_Free(inpixels[count]); + inpixels[count] = NULL; + Con_Printf("Mod_Q3BSP_LoadLightmaps: mismatched lightmap size in %s - external lightmap %s/lm_%04d does not match earlier ones\n", loadmodel->name, mapname, count); + break; } } } @@ -4670,7 +4715,6 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump) 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 @@ -4700,9 +4744,9 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump) ; if (developer_loading.integer) Con_Printf("lightmap merge texture #%i is %ix%i (%i of %i used)\n", lightmapindex, mergewidth*size, mergeheight*size, min(j, mergewidth*mergeheight), mergewidth*mergeheight); - loadmodel->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), mergewidth * size, mergeheight * size, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : TEXF_ALLOWUPDATES), NULL); + loadmodel->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), mergewidth * size, mergeheight * size, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : TEXF_ALLOWUPDATES), -1, NULL); if (loadmodel->brushq3.data_deluxemaps) - loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), mergewidth * size, mergeheight * size, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : TEXF_ALLOWUPDATES), NULL); + loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), mergewidth * size, mergeheight * size, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : TEXF_ALLOWUPDATES), -1, NULL); } mergewidth = R_TextureWidth(loadmodel->brushq3.data_lightmaps[lightmapindex]) / size; mergeheight = R_TextureHeight(loadmodel->brushq3.data_lightmaps[lightmapindex]) / size; @@ -4716,9 +4760,9 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l, lump_t *faceslump) { // figure out which merged lightmap texture this fits into if (loadmodel->brushq3.deluxemapping && (i & 1)) - loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), size, size, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), NULL); + loadmodel->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("deluxemap%04i", lightmapindex), size, size, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bspdeluxemaps.integer ? TEXF_COMPRESS : 0), -1, NULL); else - loadmodel->brushq3.data_lightmaps [lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), size, size, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), NULL); + loadmodel->brushq3.data_lightmaps [lightmapindex] = R_LoadTexture2D(loadmodel->texturepool, va("lightmap%04i", lightmapindex), size, size, convertedpixels, TEXTYPE_BGRA, TEXF_FORCELINEAR | (gl_texturecompression_q3bsplightmaps.integer ? TEXF_COMPRESS : 0), -1, NULL); } } @@ -4801,7 +4845,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) { 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; @@ -4812,6 +4856,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) float *originalcolor4f; float *originaltexcoordtexture2f; float *originaltexcoordlightmap2f; + float *surfacecollisionvertex3f; + int *surfacecollisionelement3i; float *v; patchtess_t *patchtess = NULL; int patchtesscount = 0; @@ -4993,6 +5039,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) 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); @@ -5004,14 +5052,31 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) 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 = (float *)Mem_Alloc(loadmodel->mempool, collisionvertices * sizeof(float[3])); + loadmodel->brush.data_collisionelement3i = (int *)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) @@ -5022,6 +5087,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) firstelement = LittleLong(in->firstelement); out->num_firstvertex = meshvertices; out->num_firsttriangle = meshtriangles; + out->num_firstcollisiontriangle = collisiontriangles; switch(type) { case Q3FACETYPE_FLAT: @@ -5075,7 +5141,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) finalwidth = Q3PatchDimForTess(patchsize[0],xtess); //((patchsize[0] - 1) * xtess) + 1; finalheight = Q3PatchDimForTess(patchsize[1],ytess); //((patchsize[1] - 1) * ytess) + 1; finalvertices = finalwidth * finalheight; - finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2; + oldnumtriangles = finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2; type = Q3FACETYPE_MESH; // generate geometry // (note: normals are skipped because they get recalculated) @@ -5100,28 +5166,50 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l) finalwidth = Q3PatchDimForTess(patchsize[0],cxtess); //((patchsize[0] - 1) * cxtess) + 1; finalheight = Q3PatchDimForTess(patchsize[1],cytess); //((patchsize[1] - 1) * cytess) + 1; finalvertices = finalwidth * finalheight; - finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2; + oldnumtriangles2 = 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, finalvertices, 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(finaltriangles, 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); +#if 1 + // remove this once the legacy code is removed + { + int nc = out->num_collisiontriangles; +#endif + out->num_collisiontriangles = Mod_RemoveDegenerateTriangles(finaltriangles, surfacecollisionelement3i, surfacecollisionelement3i, loadmodel->brush.data_collisionvertex3f); +#if 1 + if(nc != out->num_collisiontriangles) + { + Con_Printf("number of collision triangles differs between BIH and BSP. FAIL.\n"); + } + } +#endif 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; @@ -5631,6 +5719,524 @@ static qboolean Mod_Q3BSP_TraceLineOfSight(struct model_s *model, const vec3_t s } } +static void Mod_CollisionBIH_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_CollisionBIH_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_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, 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; +#define BIHLINECLIP +#ifdef BIHLINECLIP + int sideflags; + vec_t frontdist1; + vec_t frontdist2; + vec_t frontfrac; + vec_t backdist1; + vec_t backdist2; + vec_t backfrac; + vec3_t clipped, newstart, newend; +#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 0 + if (segmentmins[axis] <= node->backmax) + { + if (segmentmaxs[axis] >= node->frontmin) + Mod_CollisionBIH_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->frontmin; + frontdist2 = end[axis] - node->frontmin; + backdist1 = start[axis] - node->backmax; + backdist2 = end[axis] - node->backmax; + sideflags = 0; + if (frontdist1 < 0) + sideflags |= 1; + if (frontdist2 < 0) + sideflags |= 2; + if (backdist1 < 0) + sideflags |= 4; + if (backdist2 < 0) + sideflags |= 8; +#if 0 + if (sideflags & 12) + { + if ((sideflags & 3) != 3) + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); + nodenum = node->back; + } + else if ((sideflags & 3) != 3) + nodenum = node->front; + else + return; // trace falls between children +#else + switch(sideflags) + { + case 0: + // start end START END + nodenum = node->front; + continue; + case 1: + // START end START END +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, newstart); start = newstart; + 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]); +#endif + nodenum = node->front; + break; + case 2: +#ifdef BIHLINECLIP + // start END START END + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, newend); end = newend; + 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]); +#endif + nodenum = node->front; + break; + case 3: + // START END START END + return; // line falls in gap between children + case 4: + // start end start END + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#ifdef BIHLINECLIP + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newend); end = newend; + 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]); +#endif + nodenum = node->back; + break; + case 5: + // START end start END +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend); + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newend); end = newend; + 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]); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 6: + // start END start END +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend); + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newend); end = newend; + 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]); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 7: + // START END start END +#ifdef BIHLINECLIP + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newend); end = newend; + 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]); +#endif + nodenum = node->back; + break; + case 8: + // start end START end + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#ifdef BIHLINECLIP + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newstart); start = newstart; + 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]); +#endif + nodenum = node->back; + break; + case 9: + // START end START end +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend); + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newstart); start = newstart; + 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]); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 10: + // start END START end +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend); + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newstart); start = newstart; + 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]); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 11: + // START END START end +#ifdef BIHLINECLIP + backfrac = backdist1 / (backdist1 - backdist2); + VectorLerp(start, backfrac, end, newstart); start = newstart; + 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]); +#endif + nodenum = node->back; + break; + case 12: + // start end start end + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); + nodenum = node->back; + break; + case 13: + // START end start end +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, clipped, end, linestart, lineend); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 14: + // start END start end +#ifdef BIHLINECLIP + frontfrac = frontdist1 / (frontdist1 - frontdist2); + VectorLerp(start, frontfrac, end, clipped); + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, clipped, linestart, lineend); +#else + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, node->front, start, end, linestart, lineend); +#endif + nodenum = node->back; + break; + case 15: + // START END start end + nodenum = node->back; + continue; + } +#endif +#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_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 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 1 + if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs)) + return; +#endif +#if 0 + Mod_CollisionBIH_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_CollisionBIH_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_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) +{ + memset(trace, 0, sizeof(*trace)); + trace->fraction = 1; + trace->realfraction = 1; + trace->hitsupercontentsmask = hitsupercontentsmask; + Mod_CollisionBIH_TracePoint_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start); +} + +void Mod_CollisionBIH_TraceLine(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t end, int hitsupercontentsmask) +{ + if (VectorCompare(start, end)) + { + Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, start, hitsupercontentsmask); + return; + } + + memset(trace, 0, sizeof(*trace)); + trace->fraction = 1; + trace->realfraction = 1; + trace->hitsupercontentsmask = hitsupercontentsmask; + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end); +} + +void Mod_CollisionBIH_TraceBox(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask) +{ + float segmentmins[3], segmentmaxs[3]; + colboxbrushf_t thisbrush_start, thisbrush_end; + vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs; + + if (mod_q3bsp_optimizedtraceline.integer && VectorCompare(boxmins, boxmaxs)) + { + vec3_t shiftstart, shiftend; + VectorAdd(start, boxmins, shiftstart); + VectorAdd(end, boxmins, shiftend); + if (VectorCompare(start, end)) + Mod_CollisionBIH_TracePoint(model, frameblend, skeleton, trace, shiftstart, hitsupercontentsmask); + else + { + Mod_CollisionBIH_TraceLine(model, frameblend, skeleton, trace, shiftstart, shiftend, hitsupercontentsmask); + VectorSubtract(trace->endpos, boxmins, trace->endpos); + } + return; + } + + // box trace, performed as brush trace + memset(trace, 0, sizeof(*trace)); + trace->fraction = 1; + trace->realfraction = 1; + trace->hitsupercontentsmask = hitsupercontentsmask; + segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1; + segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1; + segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1; + segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1; + segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1; + segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1; + VectorAdd(start, boxmins, boxstartmins); + VectorAdd(start, boxmaxs, boxstartmaxs); + VectorAdd(end, boxmins, boxendmins); + VectorAdd(end, boxmaxs, boxendmaxs); + Collision_BrushForBox(&thisbrush_start, boxstartmins, boxstartmaxs, 0, 0, NULL); + Collision_BrushForBox(&thisbrush_end, boxendmins, boxendmaxs, 0, 0, NULL); + Mod_CollisionBIH_TraceBrush_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, &thisbrush_start.brush, &thisbrush_end.brush, segmentmins, segmentmaxs); +} + +int Mod_CollisionBIH_PointSuperContents(struct model_s *model, int frame, const vec3_t point) +{ + trace_t trace; + Mod_CollisionBIH_TracePoint(model, NULL, NULL, &trace, point, 0); + return trace.startsupercontents; +} + +void Mod_CollisionBIH_TracePoint_Mesh(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask) +{ +#if 0 + // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid + vec3_t end; + int hitsupercontents; + VectorSet(end, start[0], start[1], model->normalmins[2]); +#endif + memset(trace, 0, sizeof(*trace)); + trace->fraction = 1; + trace->realfraction = 1; + trace->hitsupercontentsmask = hitsupercontentsmask; +#if 0 + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(trace, model, model->collision_bih.rootnode, start, end, start, end); + hitsupercontents = trace->hitsupercontents; + memset(trace, 0, sizeof(*trace)); + trace->fraction = 1; + trace->realfraction = 1; + trace->hitsupercontentsmask = hitsupercontentsmask; + trace->startsupercontents = hitsupercontents; +#endif +} + +int Mod_CollisionBIH_PointSuperContents_Mesh(struct model_s *model, int frame, const vec3_t start) +{ +#if 0 + // broken - needs to be modified to count front faces and backfaces to figure out if it is in solid + trace_t trace; + vec3_t end; + VectorSet(end, start[0], start[1], model->normalmins[2]); + memset(&trace, 0, sizeof(trace)); + trace.fraction = 1; + trace.realfraction = 1; + trace.hitsupercontentsmask = 0; + Mod_CollisionBIH_TraceLine_RecursiveBIHNode(&trace, model, model->collision_bih.rootnode, start, end, start, end); + return trace.hitsupercontents; +#else + return 0; +#endif +} + static void Mod_Q3BSP_TracePoint_RecursiveBSPNode(trace_t *trace, dp_model_t *model, mnode_t *node, const vec3_t point, int markframe) { int i; @@ -5664,6 +6270,12 @@ static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *mod // walk the tree until we hit a leaf, recursing for any split cases while (node->plane) { +#if 0 + if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs)) + return; + Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[0], start, end, startfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs); + node = node->children[1]; +#else // abort if this part of the bsp tree can not be hit by this trace // if (!(node->combinedsupercontents & trace->hitsupercontentsmask)) // return; @@ -5702,6 +6314,7 @@ static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *mod Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace, model, node->children[endside], mid, end, midfrac, endfrac, linestart, lineend, markframe, segmentmins, segmentmaxs); return; } +#endif } // abort if this part of the bsp tree can not be hit by this trace // if (!(node->combinedsupercontents & trace->hitsupercontentsmask)) @@ -5715,6 +6328,10 @@ static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *mod nodesegmentmaxs[2] = max(start[2], end[2]) + 1; // line trace the brushes leaf = (mleaf_t *)node; +#if 0 + if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs)) + return; +#endif for (i = 0;i < leaf->numleafbrushes;i++) { brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf; @@ -5731,10 +6348,10 @@ static void Mod_Q3BSP_TraceLine_RecursiveBSPNode(trace_t *trace, dp_model_t *mod 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); } } } @@ -5752,6 +6369,12 @@ static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, dp_model_t *mo // walk the tree until we hit a leaf, recursing for any split cases while (node->plane) { +#if 0 + if (!BoxesOverlap(segmentmins, segmentmaxs, node->mins, node->maxs)) + return; + Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace, model, node->children[0], thisbrush_start, thisbrush_end, markframe, segmentmins, segmentmaxs); + node = node->children[1]; +#else // abort if this part of the bsp tree can not be hit by this trace // if (!(node->combinedsupercontents & trace->hitsupercontentsmask)) // return; @@ -5786,6 +6409,7 @@ static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, dp_model_t *mo return; // ERROR: NAN bounding box! // take whichever side the segment box is on node = node->children[sides - 1]; +#endif } // abort if this part of the bsp tree can not be hit by this trace // if (!(node->combinedsupercontents & trace->hitsupercontentsmask)) @@ -5798,6 +6422,10 @@ static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, dp_model_t *mo nodesegmentmaxs[2] = min(segmentmaxs[2], node->maxs[2] + 1); // hit a leaf leaf = (mleaf_t *)node; +#if 0 + if (!BoxesOverlap(segmentmins, segmentmaxs, leaf->mins, leaf->maxs)) + return; +#endif for (i = 0;i < leaf->numleafbrushes;i++) { brush = model->brush.data_brushes[leaf->firstleafbrush[i]].colbrushf; @@ -5812,15 +6440,16 @@ static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, dp_model_t *mo 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); } } } } + static int markframe = 0; static void Mod_Q3BSP_TracePoint(dp_model_t *model, const frameblend_t *frameblend, const skeleton_t *skeleton, trace_t *trace, const vec3_t start, int hitsupercontentsmask) @@ -5831,7 +6460,9 @@ static void Mod_Q3BSP_TracePoint(dp_model_t *model, const frameblend_t *frameble trace->fraction = 1; trace->realfraction = 1; trace->hitsupercontentsmask = hitsupercontentsmask; - if (model->brush.submodel) + if (mod_collision_bih.integer) + Mod_CollisionBIH_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) @@ -5864,15 +6495,17 @@ static void Mod_Q3BSP_TraceLine(dp_model_t *model, const frameblend_t *frameblen 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_CollisionBIH_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 (brush->colbrushf && BoxesOverlap(segmentmins, segmentmaxs, brush->colbrushf->mins, brush->colbrushf->maxs)) Collision_TraceLineBrushFloat(trace, start, end, brush->colbrushf, 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); + if (surface->num_collisiontriangles && BoxesOverlap(segmentmins, segmentmaxs, surface->mins, surface->maxs)) + 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); @@ -5919,15 +6552,17 @@ static void Mod_Q3BSP_TraceBox(dp_model_t *model, const frameblend_t *frameblend 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_CollisionBIH_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 (brush->colbrushf && BoxesOverlap(segmentmins, segmentmaxs, brush->colbrushf->mins, brush->colbrushf->maxs)) Collision_TraceBrushBrushFloat(trace, &thisbrush_start.brush, &thisbrush_end.brush, brush->colbrushf, 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); + if (surface->num_collisiontriangles && BoxesOverlap(segmentmins, segmentmaxs, surface->mins, surface->maxs)) + 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); @@ -5938,8 +6573,14 @@ static int Mod_Q3BSP_PointSuperContents(struct model_s *model, int frame, const 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++) @@ -5965,6 +6606,141 @@ static int Mod_Q3BSP_PointSuperContents(struct model_s *model, int frame, const return supercontents; } +bih_t *Mod_MakeCollisionBIH(dp_model_t *model, qboolean userendersurfaces, bih_t *out) +{ + 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; + const int *renderelement3i; + const float *rendervertex3f; + 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 = 0; + if (userendersurfaces) + { + for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++) + bihnumleafs += surface->num_triangles; + } + else + { + for (brushindex = 0, brush = model->brush.data_brushes + brushindex+model->firstmodelbrush;brushindex < nummodelbrushes;brushindex++, brush++) + if (brush->colbrushf) + bihnumleafs++; + for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++) + { + if (surface->texture->basematerialflags & MATERIALFLAG_MESHCOLLISIONS) + bihnumleafs += surface->num_triangles + surface->num_collisiontriangles; + else + bihnumleafs += surface->num_collisiontriangles; + } + } + + if (!bihnumleafs) + return NULL; + + // allocate the memory for the BIH leaf nodes + bihleafs = (bih_leaf_t *)Mem_Alloc(loadmodel->mempool, sizeof(bih_leaf_t) * bihnumleafs); + + // now populate the BIH leaf nodes + bihleafindex = 0; + + // add render surfaces + renderelement3i = model->surfmesh.data_element3i; + rendervertex3f = model->surfmesh.data_vertex3f; + for (j = 0, surface = model->data_surfaces + model->firstmodelsurface;j < nummodelsurfaces;j++, surface++) + { + for (triangleindex = 0, e = renderelement3i + 3*surface->num_firsttriangle;triangleindex < surface->num_triangles;triangleindex++, e += 3) + { + if (!userendersurfaces && !(surface->texture->basematerialflags & MATERIALFLAG_MESHCOLLISIONS)) + continue; + bihleafs[bihleafindex].type = BIH_RENDERTRIANGLE; + bihleafs[bihleafindex].textureindex = surface->texture - model->data_textures; + bihleafs[bihleafindex].surfaceindex = surface - model->data_surfaces; + bihleafs[bihleafindex].itemindex = triangleindex+surface->num_firsttriangle; + bihleafs[bihleafindex].mins[0] = min(rendervertex3f[3*e[0]+0], min(rendervertex3f[3*e[1]+0], rendervertex3f[3*e[2]+0])) - 1; + bihleafs[bihleafindex].mins[1] = min(rendervertex3f[3*e[0]+1], min(rendervertex3f[3*e[1]+1], rendervertex3f[3*e[2]+1])) - 1; + bihleafs[bihleafindex].mins[2] = min(rendervertex3f[3*e[0]+2], min(rendervertex3f[3*e[1]+2], rendervertex3f[3*e[2]+2])) - 1; + bihleafs[bihleafindex].maxs[0] = max(rendervertex3f[3*e[0]+0], max(rendervertex3f[3*e[1]+0], rendervertex3f[3*e[2]+0])) + 1; + bihleafs[bihleafindex].maxs[1] = max(rendervertex3f[3*e[0]+1], max(rendervertex3f[3*e[1]+1], rendervertex3f[3*e[2]+1])) + 1; + bihleafs[bihleafindex].maxs[2] = max(rendervertex3f[3*e[0]+2], max(rendervertex3f[3*e[1]+2], rendervertex3f[3*e[2]+2])) + 1; + bihleafindex++; + } + } + + if (!userendersurfaces) + { + // add collision brushes + for (brushindex = 0, brush = model->brush.data_brushes + brushindex+model->firstmodelbrush;brushindex < nummodelbrushes;brushindex++, brush++) + { + if (!brush->colbrushf) + continue; + bihleafs[bihleafindex].type = BIH_BRUSH; + bihleafs[bihleafindex].textureindex = brush->texture - model->data_textures; + bihleafs[bihleafindex].surfaceindex = -1; + bihleafs[bihleafindex].itemindex = brushindex+model->firstmodelbrush; + VectorCopy(brush->colbrushf->mins, bihleafs[bihleafindex].mins); + VectorCopy(brush->colbrushf->maxs, bihleafs[bihleafindex].maxs); + bihleafindex++; + } + + // add 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++) + { + for (triangleindex = 0, e = collisionelement3i + 3*surface->num_firstcollisiontriangle;triangleindex < surface->num_collisiontriangles;triangleindex++, e += 3) + { + bihleafs[bihleafindex].type = BIH_COLLISIONTRIANGLE; + bihleafs[bihleafindex].textureindex = surface->texture - model->data_textures; + bihleafs[bihleafindex].surfaceindex = surface - model->data_surfaces; + 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 + bihmaxnodes = bihnumleafs - 1; + bihnodes = (bih_node_t *)Mem_Alloc(loadmodel->mempool, sizeof(bih_node_t) * bihmaxnodes); + temp_leafsort = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int) * bihnumleafs * 2); + temp_leafsortscratch = temp_leafsort + bihnumleafs; + + // now build it + BIH_Build(out, 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 (out->maxnodes > out->numnodes) + { + out->maxnodes = out->numnodes; + out->nodes = (bih_node_t *)Mem_Realloc(loadmodel->mempool, out->nodes, out->numnodes * sizeof(bih_node_t)); + } + + return out; +} + static int Mod_Q3BSP_SuperContentsFromNativeContents(dp_model_t *model, int nativecontents) { int supercontents = 0; @@ -6043,7 +6819,6 @@ void Mod_Q3BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) int i, j, numshadowmeshtriangles, lumps; q3dheader_t *header; float corner[3], yawradius, modelradius; - msurface_t *surface; mod->modeldatatypestring = "Q3BSP"; @@ -6161,21 +6936,7 @@ void Mod_Q3BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) loadmodel->brush.supportwateralpha = true; // make a single combined shadow mesh to allow optimized shadow volume creation - numshadowmeshtriangles = 0; - if (cls.state != ca_dedicated) - { - for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++) - { - surface->num_firstshadowmeshtriangle = numshadowmeshtriangles; - numshadowmeshtriangles += surface->num_triangles; - } - loadmodel->brush.shadowmesh = Mod_ShadowMesh_Begin(loadmodel->mempool, numshadowmeshtriangles * 3, numshadowmeshtriangles, NULL, NULL, NULL, false, false, true); - for (j = 0, surface = loadmodel->data_surfaces;j < loadmodel->num_surfaces;j++, surface++) - 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); - } + numshadowmeshtriangles = Mod_Q1BSP_CreateShadowMesh(loadmodel); loadmodel->brush.num_leafs = 0; Mod_Q3BSP_RecursiveFindNumLeafs(loadmodel->brush.data_nodes); @@ -6272,11 +7033,14 @@ void Mod_Q3BSP_Load(dp_model_t *mod, void *buffer, void *bufferend) mod->DrawSky = R_Q1BSP_DrawSky; for (j = 0;j < mod->nummodelsurfaces;j++) - if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION)) + if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)) break; if (j < mod->nummodelsurfaces) mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes; + Mod_MakeCollisionBIH(mod, false, &mod->collision_bih); + Mod_MakeCollisionBIH(mod, true, &mod->render_bih); + // generate VBOs and other shared data before cloning submodels if (i == 0) Mod_BuildVBOs(); @@ -6307,6 +7071,7 @@ void Mod_MAP_Load(dp_model_t *mod, void *buffer, void *bufferend) typedef struct objvertex_s { int nextindex; + int submodelindex; int textureindex; float v[3]; float vt[2]; @@ -6314,6 +7079,8 @@ typedef struct objvertex_s } objvertex_t; +static unsigned char nobsp_pvs[1] = {1}; + void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) { const char *textbase = (char *)buffer, *text = textbase; @@ -6321,7 +7088,7 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) char *argv[512]; char line[1024]; char materialname[MAX_QPATH]; - int i, j, numvertices, firstvertex, firsttriangle, elementindex, vertexindex, numsurfaces, surfacevertices, surfacetriangles, surfaceelements; + int i, j, l, numvertices, firstvertex, firsttriangle, elementindex, vertexindex, surfacevertices, surfacetriangles, surfaceelements, submodelindex = 0; int index1, index2, index3; objvertex_t vfirst, vprev, vcurrent; int argc; @@ -6335,12 +7102,13 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) int maxvt = 0, numvt = 1; int maxvn = 0, numvn = 1; char *texturenames = NULL; - float dist, modelradius, modelyawradius; + float dist, modelradius, modelyawradius, yawradius; float *v = NULL; float *vt = NULL; float *vn = NULL; float mins[3]; float maxs[3]; + float corner[3]; objvertex_t *thisvertex = NULL; int vertexhashindex; int *vertexhashtable = NULL; @@ -6350,6 +7118,9 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) int vertexhashcount = 0; skinfile_t *skinfiles = NULL; unsigned char *data = NULL; + int *submodelfirstsurface; + msurface_t *surface; + msurface_t *tempsurfaces; memset(&vfirst, 0, sizeof(vfirst)); memset(&vprev, 0, sizeof(vprev)); @@ -6361,10 +7132,10 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) loadmodel->type = mod_obj; loadmodel->soundfromcenter = true; - loadmodel->TraceBox = NULL; - loadmodel->TraceLine = NULL; - loadmodel->TracePoint = NULL; - loadmodel->PointSuperContents = NULL; + loadmodel->TraceBox = Mod_CollisionBIH_TraceBox; + loadmodel->TraceLine = Mod_CollisionBIH_TraceLine; + loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh; + loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh; loadmodel->brush.TraceLineOfSight = NULL; loadmodel->brush.SuperContentsFromNativeContents = NULL; loadmodel->brush.NativeContentsFromSuperContents = NULL; @@ -6514,6 +7285,7 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) index3 = numvn - index3; vcurrent.nextindex = -1; vcurrent.textureindex = textureindex; + vcurrent.submodelindex = submodelindex; VectorCopy(v + 3*index1, vcurrent.v); Vector2Copy(vt + 2*index2, vcurrent.vt); VectorCopy(vn + 3*index3, vcurrent.vn); @@ -6549,7 +7321,10 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) } } else if (!strcmp(argv[0], "o") || !strcmp(argv[0], "g")) - ; + { + submodelindex = atof(argv[1]); + loadmodel->brush.numsubmodels = max(submodelindex + 1, loadmodel->brush.numsubmodels); + } else if (!strcmp(argv[0], "usemtl")) { for (i = 0;i < numtextures;i++) @@ -6592,75 +7367,103 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) loadmodel->radius2 = modelradius * modelradius; // allocate storage for triangles - loadmodel->num_surfaces = loadmodel->nummodelsurfaces = numsurfaces = numtextures; - loadmodel->surfmesh.data_element3i = Mem_Alloc(loadmodel->mempool, numtriangles * sizeof(int[3])); - loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t)); + loadmodel->surfmesh.data_element3i = (int *)Mem_Alloc(loadmodel->mempool, numtriangles * sizeof(int[3])); // allocate vertex hash structures to build an optimal vertex subset vertexhashsize = numtriangles*2; - vertexhashtable = Mem_Alloc(loadmodel->mempool, sizeof(int) * vertexhashsize); + vertexhashtable = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int) * vertexhashsize); memset(vertexhashtable, 0xFF, sizeof(int) * vertexhashsize); - vertexhashdata = Mem_Alloc(loadmodel->mempool, sizeof(*vertexhashdata) * numtriangles*3); + vertexhashdata = (objvertex_t *)Mem_Alloc(loadmodel->mempool, sizeof(*vertexhashdata) * numtriangles*3); vertexhashcount = 0; // gather surface stats for assigning vertex/triangle ranges firstvertex = 0; firsttriangle = 0; elementindex = 0; - for (textureindex = 0;textureindex < numtextures;textureindex++) + loadmodel->num_surfaces = 0; + // allocate storage for the worst case number of surfaces, later we resize + tempsurfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, numtextures * loadmodel->brush.numsubmodels * sizeof(msurface_t)); + submodelfirstsurface = Mem_Alloc(loadmodel->mempool, (loadmodel->brush.numsubmodels+1) * sizeof(int)); + surface = tempsurfaces; + for (submodelindex = 0;submodelindex < loadmodel->brush.numsubmodels;submodelindex++) { - msurface_t *surface = loadmodel->data_surfaces + textureindex; - // copy the mins/maxs of the model backwards so that the first vertex - // added will set the surface bounds to a point - VectorCopy(loadmodel->normalmaxs, surface->mins); - VectorCopy(loadmodel->normalmins, surface->maxs); - surfacevertices = 0; - surfaceelements = 0; - for (vertexindex = 0;vertexindex < numtriangles*3;vertexindex++) - { - thisvertex = vertices + vertexindex; - if (thisvertex->textureindex != textureindex) - continue; - surface->mins[0] = min(surface->mins[0], thisvertex->v[0]); - surface->mins[1] = min(surface->mins[1], thisvertex->v[1]); - surface->mins[2] = min(surface->mins[2], thisvertex->v[2]); - surface->maxs[0] = max(surface->maxs[0], thisvertex->v[0]); - surface->maxs[1] = max(surface->maxs[1], thisvertex->v[1]); - surface->maxs[2] = max(surface->maxs[2], thisvertex->v[2]); - vertexhashindex = (unsigned int)(thisvertex->v[0] * 3571 + thisvertex->v[0] * 1777 + thisvertex->v[0] * 457) % (unsigned int)vertexhashsize; - for (i = vertexhashtable[vertexhashindex];i >= 0;i = vertexhashdata[i].nextindex) + submodelfirstsurface[submodelindex] = loadmodel->num_surfaces; + for (textureindex = 0;textureindex < numtextures;textureindex++) + { + for (vertexindex = 0;vertexindex < numtriangles*3;vertexindex++) { - vdata = vertexhashdata + i; - if (vdata->textureindex == thisvertex->textureindex && VectorCompare(thisvertex->v, vdata->v) && VectorCompare(thisvertex->vn, vdata->vn) && Vector2Compare(thisvertex->vt, vdata->vt)) + thisvertex = vertices + vertexindex; + if (thisvertex->submodelindex == submodelindex && thisvertex->textureindex == textureindex) break; } - if (i < 0) + // skip the surface creation if there are no triangles for it + if (vertexindex == numtriangles*3) + continue; + // create a surface for these vertices + surfacevertices = 0; + surfaceelements = 0; + // we hack in a texture index in the surface to be fixed up later... + surface->texture = (texture_t *)((size_t)textureindex); + // calculate bounds as we go + VectorCopy(thisvertex->v, surface->mins); + VectorCopy(thisvertex->v, surface->maxs); + for (;vertexindex < numtriangles*3;vertexindex++) { - i = vertexhashcount++; - vdata = vertexhashdata + i; - *vdata = *thisvertex; - vdata->nextindex = vertexhashtable[vertexhashindex]; - vertexhashtable[vertexhashindex] = i; - surfacevertices++; + thisvertex = vertices + vertexindex; + if (thisvertex->submodelindex != submodelindex) + continue; + if (thisvertex->textureindex != textureindex) + continue; + // add vertex to surface bounds + surface->mins[0] = min(surface->mins[0], thisvertex->v[0]); + surface->mins[1] = min(surface->mins[1], thisvertex->v[1]); + surface->mins[2] = min(surface->mins[2], thisvertex->v[2]); + surface->maxs[0] = max(surface->maxs[0], thisvertex->v[0]); + surface->maxs[1] = max(surface->maxs[1], thisvertex->v[1]); + surface->maxs[2] = max(surface->maxs[2], thisvertex->v[2]); + // add the vertex if it is not found in the merged set, and + // get its index (triangle element) for the surface + vertexhashindex = (unsigned int)(thisvertex->v[0] * 3571 + thisvertex->v[0] * 1777 + thisvertex->v[0] * 457) % (unsigned int)vertexhashsize; + for (i = vertexhashtable[vertexhashindex];i >= 0;i = vertexhashdata[i].nextindex) + { + vdata = vertexhashdata + i; + if (vdata->submodelindex == thisvertex->submodelindex && vdata->textureindex == thisvertex->textureindex && VectorCompare(thisvertex->v, vdata->v) && VectorCompare(thisvertex->vn, vdata->vn) && Vector2Compare(thisvertex->vt, vdata->vt)) + break; + } + if (i < 0) + { + i = vertexhashcount++; + vdata = vertexhashdata + i; + *vdata = *thisvertex; + vdata->nextindex = vertexhashtable[vertexhashindex]; + vertexhashtable[vertexhashindex] = i; + surfacevertices++; + } + loadmodel->surfmesh.data_element3i[elementindex++] = i; + surfaceelements++; } - loadmodel->surfmesh.data_element3i[elementindex++] = i; - surfaceelements++; - } - surfacetriangles = surfaceelements / 3; - surface->num_vertices = surfacevertices; - surface->num_triangles = surfacetriangles; - surface->num_firstvertex = firstvertex; - surface->num_firsttriangle = firsttriangle; - firstvertex += surface->num_vertices; - firsttriangle += surface->num_triangles; - } + surfacetriangles = surfaceelements / 3; + surface->num_vertices = surfacevertices; + surface->num_triangles = surfacetriangles; + surface->num_firstvertex = firstvertex; + surface->num_firsttriangle = firsttriangle; + firstvertex += surface->num_vertices; + firsttriangle += surface->num_triangles; + surface++; + loadmodel->num_surfaces++; + } + } + submodelfirstsurface[submodelindex] = loadmodel->num_surfaces; numvertices = firstvertex; + loadmodel->data_surfaces = (msurface_t *)Mem_Realloc(loadmodel->mempool, tempsurfaces, loadmodel->num_surfaces * sizeof(msurface_t)); + tempsurfaces = NULL; // allocate storage for final mesh data loadmodel->num_textures = numtextures * loadmodel->numskins; loadmodel->num_texturesperskin = numtextures; - data = (unsigned char *)Mem_Alloc(loadmodel->mempool, numsurfaces * sizeof(int) + numsurfaces * loadmodel->numskins * sizeof(texture_t) + numtriangles * sizeof(int[3]) + (numvertices <= 65536 ? numtriangles * sizeof(unsigned short[3]) : 0) + numvertices * sizeof(float[14])); - loadmodel->sortedmodelsurfaces = (int *)data;data += numsurfaces * sizeof(int); - loadmodel->data_textures = (texture_t *)data;data += numsurfaces * loadmodel->numskins * sizeof(texture_t); + data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + numtriangles * sizeof(int[3]) + (numvertices <= 65536 ? numtriangles * sizeof(unsigned short[3]) : 0) + numvertices * sizeof(float[14]) + loadmodel->brush.numsubmodels * sizeof(dp_model_t *)); + loadmodel->brush.submodels = (dp_model_t **)data;data += loadmodel->brush.numsubmodels * sizeof(dp_model_t *); + loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int); + loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t); loadmodel->surfmesh.num_vertices = numvertices; loadmodel->surfmesh.num_triangles = numtriangles; loadmodel->surfmesh.data_neighbor3i = (int *)data;data += numtriangles * sizeof(int[3]); @@ -6676,7 +7479,7 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) { 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 @@ -6684,12 +7487,9 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) Mod_BuildAliasSkinsFromSkinFiles(loadmodel->data_textures + textureindex, skinfiles, texturenames + textureindex*MAX_QPATH, texturenames + textureindex*MAX_QPATH); Mod_FreeSkinFiles(skinfiles); - // set the surface textures - for (textureindex = 0;textureindex < numtextures;textureindex++) - { - msurface_t *surface = loadmodel->data_surfaces + textureindex; - surface->texture = loadmodel->data_textures + textureindex; - } + // set the surface textures to their real values now that we loaded them... + for (i = 0;i < loadmodel->num_surfaces;i++) + loadmodel->data_surfaces[i].texture = loadmodel->data_textures + (size_t)loadmodel->data_surfaces[i].texture; // free data Mem_Free(vertices); @@ -6700,8 +7500,10 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) Mem_Free(vertexhashtable); Mem_Free(vertexhashdata); + // make a single combined shadow mesh to allow optimized shadow volume creation + Mod_Q1BSP_CreateShadowMesh(loadmodel); + // compute all the mesh information that was not loaded from the file - Mod_MakeSortedSurfaces(loadmodel); if (loadmodel->surfmesh.data_element3s) for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++) loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i]; @@ -6711,6 +7513,139 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true); Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true); Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles); + + // if this is a worldmodel and has no BSP tree, create a fake one for the purpose + loadmodel->brush.num_visleafs = 1; + loadmodel->brush.num_leafs = 1; + loadmodel->brush.num_nodes = 0; + loadmodel->brush.num_leafsurfaces = loadmodel->num_surfaces; + loadmodel->brush.data_leafs = (mleaf_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafs * sizeof(mleaf_t)); + loadmodel->brush.data_nodes = (mnode_t *)loadmodel->brush.data_leafs; + loadmodel->brush.num_pvsclusters = 1; + loadmodel->brush.num_pvsclusterbytes = 1; + loadmodel->brush.data_pvsclusters = nobsp_pvs; + //if (loadmodel->num_nodes) loadmodel->data_nodes = (mnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_nodes * sizeof(mnode_t)); + //loadmodel->data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->num_leafsurfaces * sizeof(int)); + loadmodel->brush.data_leafsurfaces = loadmodel->sortedmodelsurfaces; + VectorCopy(loadmodel->normalmins, loadmodel->brush.data_leafs->mins); + VectorCopy(loadmodel->normalmaxs, loadmodel->brush.data_leafs->maxs); + loadmodel->brush.data_leafs->combinedsupercontents = 0; // FIXME? + loadmodel->brush.data_leafs->clusterindex = 0; + loadmodel->brush.data_leafs->areaindex = 0; + loadmodel->brush.data_leafs->numleafsurfaces = loadmodel->brush.num_leafsurfaces; + loadmodel->brush.data_leafs->firstleafsurface = loadmodel->brush.data_leafsurfaces; + loadmodel->brush.data_leafs->numleafbrushes = 0; + loadmodel->brush.data_leafs->firstleafbrush = NULL; + loadmodel->brush.supportwateralpha = true; + + if (loadmodel->brush.numsubmodels) + loadmodel->brush.submodels = (dp_model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(dp_model_t *)); + + mod = loadmodel; + for (i = 0;i < loadmodel->brush.numsubmodels;i++) + { + if (i > 0) + { + char name[10]; + // duplicate the basic information + dpsnprintf(name, sizeof(name), "*%i", i); + mod = Mod_FindName(name, loadmodel->name); + // copy the base model to this one + *mod = *loadmodel; + // rename the clone back to its proper name + strlcpy(mod->name, name, sizeof(mod->name)); + mod->brush.parentmodel = loadmodel; + // textures and memory belong to the main model + mod->texturepool = NULL; + mod->mempool = NULL; + mod->brush.GetPVS = NULL; + mod->brush.FatPVS = NULL; + mod->brush.BoxTouchingPVS = NULL; + mod->brush.BoxTouchingLeafPVS = NULL; + mod->brush.BoxTouchingVisibleLeafs = NULL; + mod->brush.FindBoxClusters = NULL; + mod->brush.LightPoint = NULL; + mod->brush.AmbientSoundLevelsForPoint = NULL; + } + mod->brush.submodel = i; + if (loadmodel->brush.submodels) + loadmodel->brush.submodels[i] = mod; + + // make the model surface list (used by shadowing/lighting) + mod->firstmodelsurface = submodelfirstsurface[i]; + mod->nummodelsurfaces = submodelfirstsurface[i+1] - submodelfirstsurface[i]; + mod->firstmodelbrush = 0; + mod->nummodelbrushes = 0; + mod->sortedmodelsurfaces = loadmodel->sortedmodelsurfaces + mod->firstmodelsurface; + Mod_MakeSortedSurfaces(mod); + + VectorClear(mod->normalmins); + VectorClear(mod->normalmaxs); + l = false; + for (j = 0;j < mod->nummodelsurfaces;j++) + { + const msurface_t *surface = mod->data_surfaces + j + mod->firstmodelsurface; + const float *v = mod->surfmesh.data_vertex3f + 3 * surface->num_firstvertex; + int k; + if (!surface->num_vertices) + continue; + if (!l) + { + l = true; + VectorCopy(v, mod->normalmins); + VectorCopy(v, mod->normalmaxs); + } + for (k = 0;k < surface->num_vertices;k++, v += 3) + { + mod->normalmins[0] = min(mod->normalmins[0], v[0]); + mod->normalmins[1] = min(mod->normalmins[1], v[1]); + mod->normalmins[2] = min(mod->normalmins[2], v[2]); + mod->normalmaxs[0] = max(mod->normalmaxs[0], v[0]); + mod->normalmaxs[1] = max(mod->normalmaxs[1], v[1]); + mod->normalmaxs[2] = max(mod->normalmaxs[2], v[2]); + } + } + corner[0] = max(fabs(mod->normalmins[0]), fabs(mod->normalmaxs[0])); + corner[1] = max(fabs(mod->normalmins[1]), fabs(mod->normalmaxs[1])); + corner[2] = max(fabs(mod->normalmins[2]), fabs(mod->normalmaxs[2])); + modelradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]+corner[2]*corner[2]); + yawradius = sqrt(corner[0]*corner[0]+corner[1]*corner[1]); + mod->rotatedmins[0] = mod->rotatedmins[1] = mod->rotatedmins[2] = -modelradius; + mod->rotatedmaxs[0] = mod->rotatedmaxs[1] = mod->rotatedmaxs[2] = modelradius; + mod->yawmaxs[0] = mod->yawmaxs[1] = yawradius; + mod->yawmins[0] = mod->yawmins[1] = -yawradius; + mod->yawmins[2] = mod->normalmins[2]; + mod->yawmaxs[2] = mod->normalmaxs[2]; + mod->radius = modelradius; + mod->radius2 = modelradius * modelradius; + + // this gets altered below if sky or water is used + mod->DrawSky = NULL; + mod->DrawAddWaterPlanes = NULL; + + for (j = 0;j < mod->nummodelsurfaces;j++) + if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & MATERIALFLAG_SKY) + break; + if (j < mod->nummodelsurfaces) + mod->DrawSky = R_Q1BSP_DrawSky; + + for (j = 0;j < mod->nummodelsurfaces;j++) + if (mod->data_surfaces[j + mod->firstmodelsurface].texture->basematerialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)) + break; + if (j < mod->nummodelsurfaces) + mod->DrawAddWaterPlanes = R_Q1BSP_DrawAddWaterPlanes; + + Mod_MakeCollisionBIH(mod, true, &mod->collision_bih); + mod->render_bih = mod->collision_bih; + + // generate VBOs and other shared data before cloning submodels + if (i == 0) + Mod_BuildVBOs(); + } + mod = loadmodel; + Mem_Free(submodelfirstsurface); + + Con_DPrintf("Stats for obj model \"%s\": %i faces, %i nodes, %i leafs, %i clusters, %i clusterportals, mesh: %i vertices, %i triangles, %i surfaces\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->num_surfaces); } @@ -7402,7 +8337,7 @@ void Mod_OBJ_Load(dp_model_t *mod, void *buffer, void *bufferend) loadmodel->num_textures = numtextures; loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t)); for (i = 0;i < numtextures;i++) - Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i, texturenames[i], true, true, TEXF_MIPMAP | TEXF_ALPHA | (r_picmipworld.integer ? TEXF_PICMIP : 0) | TEXF_COMPRESS); + Mod_LoadTextureFromQ3Shader(loadmodel->data_textures + i, texturenames[i], true, true, TEXF_MIPMAP | TEXF_ALPHA | TEXF_ISWORLD | TEXF_PICMIP | TEXF_COMPRESS); // free the texturenames array since we are now done with it for (i = 0;i < numtextures;i++)