//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 mod_bsp_portalize = {0, "mod_bsp_portalize", "0", "enables portal generation from BSP tree (may take several seconds per map), used by r_drawportals, r_useportalculling, r_shadow_realtime_world_compileportalculling, sv_cullentities_portal - all of which are off by default"};
cvar_t r_novis = {0, "r_novis", "0", "draws whole level, see also sv_cullentities_pvs 0"};
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)"};
void Mod_BrushInit(void)
{
// Cvar_RegisterVariable(&r_subdivide_size);
+ Cvar_RegisterVariable(&mod_bsp_portalize);
Cvar_RegisterVariable(&r_novis);
Cvar_RegisterVariable(&r_nosurftextures);
Cvar_RegisterVariable(&r_subdivisions_tolerance);
}
// compile additional data about the surface geometry
- Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_normal3f, true);
- Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
+ Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
+ Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, (loadmodel->surfmesh.data_element3i + 3 * surface->num_firsttriangle), loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (loadmodel->surfmesh.data_vertex3f + 3 * surface->num_firstvertex));
// generate surface extents information
if (l->filelen % sizeof(*in))
Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
+ if (count == 0)
+ Host_Error("Mod_Q1BSP_LoadNodes: missing BSP tree in %s",loadmodel->name);
out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
loadmodel->brush.data_nodes = out;
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->brush.shadowmesh = Mod_ShadowMesh_Finish(mod->mempool, mod->brush.shadowmesh, false, r_enableshadowvolumes.integer != 0, false);
+ if (mod->brush.shadowmesh && mod->brush.shadowmesh->neighbor3i)
Mod_BuildTriangleNeighbors(mod->brush.shadowmesh->neighbor3i, mod->brush.shadowmesh->element3i, mod->brush.shadowmesh->numtriangles);
return numshadowmeshtriangles;
mod->brushq1.num_compressedpvs = 0;
Mod_Q1BSP_MakeHull0();
- Mod_Q1BSP_MakePortals();
+ if (mod_bsp_portalize.integer)
+ Mod_Q1BSP_MakePortals();
mod->numframes = 2; // regular and alternate animation
mod->numskins = 1;
}
//mod->brushq1.num_visleafs = bm->visleafs;
+ // build a Bounding Interval Hierarchy for culling triangles in light rendering
+ Mod_MakeCollisionBIH(mod, true, &mod->render_bih);
+
if (mod_q1bsp_polygoncollisions.integer)
{
- Mod_MakeCollisionBIH(mod, true, &mod->collision_bih);
+ mod->collision_bih = mod->render_bih;
// point traces and contents checks still use the bsp tree
mod->TraceLine = Mod_CollisionBIH_TraceLine;
mod->TraceBox = Mod_CollisionBIH_TraceBox;
mod->TraceBrush = Mod_CollisionBIH_TraceBrush;
}
- else
- Mod_MakeCollisionBIH(mod, true, &mod->render_bih);
// generate VBOs and other shared data before cloning submodels
if (i == 0)
}
// for per pixel lighting
- 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_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, r_smoothnormals_areaweighting.integer != 0);
// generate ushort elements array if possible
if (loadmodel->surfmesh.data_element3s)
if (l->filelen % sizeof(*in))
Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
count = l->filelen / sizeof(*in);
+ if (count == 0)
+ Host_Error("Mod_Q3BSP_LoadNodes: missing BSP tree in %s",loadmodel->name);
out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
loadmodel->brush.data_nodes = out;
loadmodel->brush.numsubmodels = loadmodel->brushq3.num_models;
// the MakePortals code works fine on the q3bsp data as well
- Mod_Q1BSP_MakePortals();
+ if (mod_bsp_portalize.integer)
+ Mod_Q1BSP_MakePortals();
// FIXME: shader alpha should replace r_wateralpha support in q3bsp
loadmodel->brush.supportwateralpha = true;
// allocate storage for final mesh data
loadmodel->num_textures = numtextures * loadmodel->numskins;
loadmodel->num_texturesperskin = numtextures;
- 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 *));
+ 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) + (r_enableshadowvolumes.integer ? numtriangles * sizeof(int[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]);
+ if (r_enableshadowvolumes.integer)
+ loadmodel->surfmesh.data_neighbor3i = (int *)data;data += numtriangles * sizeof(int[3]);
loadmodel->surfmesh.data_vertex3f = (float *)data;data += numvertices * sizeof(float[3]);
loadmodel->surfmesh.data_svector3f = (float *)data;data += numvertices * sizeof(float[3]);
loadmodel->surfmesh.data_tvector3f = (float *)data;data += numvertices * sizeof(float[3]);
Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
// generate normals if the file did not have them
if (!VectorLength2(loadmodel->surfmesh.data_normal3f))
- 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);
+ Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
+ 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, r_smoothnormals_areaweighting.integer != 0);
+ if (loadmodel->surfmesh.data_neighbor3i)
+ 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->num_surfaces = 1;
loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
- data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->numframes * sizeof(animscene_t) + loadmodel->numframes * sizeof(float[6]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]));
+ data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->numframes * sizeof(animscene_t) + loadmodel->numframes * sizeof(float[6]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + (r_enableshadowvolume.integer ? loadmodel->surfmesh.num_triangles * sizeof(int[3]) : 0));
loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
loadmodel->sortedmodelsurfaces[0] = 0;
loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
- loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
+ if (r_enableshadowvolumes.integer)
+ loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
loadmodel->synctype = ST_RAND;
Mem_Free(vertremap);
Mod_MakeSortedSurfaces(loadmodel);
- Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+ if (loadmodel->surfmesh.data_neighbor3i)
+ Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
Mod_Alias_CalculateBoundingBox();
Mod_Alias_MorphMesh_CompileFrames();