]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_shared.c
reworked progs loading so that entvars_t and globalvars_t are no longer
[xonotic/darkplaces.git] / model_shared.c
index 38fc917269a14b26d5db03ced6fc276fd475a515..5257863db4e9870e369b5d6035b8f0c538951087 100644 (file)
@@ -27,7 +27,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "r_shadow.h"
 #include "polygon.h"
 
+cvar_t r_enableshadowvolumes = {CVAR_SAVE, "r_enableshadowvolumes", "1", "Enables use of Stencil Shadow Volume shadowing methods, saves some memory if turned off"};
 cvar_t r_mipskins = {CVAR_SAVE, "r_mipskins", "0", "mipmaps model skins so they render faster in the distance and do not display noise artifacts, can cause discoloration of skins if they contain undesirable border colors"};
+cvar_t r_mipnormalmaps = {CVAR_SAVE, "r_mipnormalmaps", "1", "mipmaps normalmaps (turning it off looks sharper but may have aliasing)"};
 cvar_t mod_generatelightmaps_unitspersample = {CVAR_SAVE, "mod_generatelightmaps_unitspersample", "8", "lightmap resolution"};
 cvar_t mod_generatelightmaps_borderpixels = {CVAR_SAVE, "mod_generatelightmaps_borderpixels", "2", "extra space around polygons to prevent sampling artifacts"};
 cvar_t mod_generatelightmaps_texturesize = {CVAR_SAVE, "mod_generatelightmaps_texturesize", "1024", "size of lightmap textures"};
@@ -159,7 +161,9 @@ void Mod_Init (void)
        Mod_AliasInit();
        Mod_SpriteInit();
 
+       Cvar_RegisterVariable(&r_enableshadowvolumes);
        Cvar_RegisterVariable(&r_mipskins);
+       Cvar_RegisterVariable(&r_mipnormalmaps);
        Cvar_RegisterVariable(&mod_generatelightmaps_unitspersample);
        Cvar_RegisterVariable(&mod_generatelightmaps_borderpixels);
        Cvar_RegisterVariable(&mod_generatelightmaps_texturesize);
@@ -179,7 +183,7 @@ void Mod_Init (void)
 
 void Mod_RenderInit(void)
 {
-       R_RegisterModule("Models", mod_start, mod_shutdown, mod_newmap);
+       R_RegisterModule("Models", mod_start, mod_shutdown, mod_newmap, NULL, NULL);
 }
 
 void Mod_UnloadModel (dp_model_t *mod)
@@ -194,12 +198,24 @@ void Mod_UnloadModel (dp_model_t *mod)
        strlcpy(name, mod->name, sizeof(name));
        parentmodel = mod->brush.parentmodel;
        used = mod->used;
-       if (mod->surfmesh.ebo3i)
-               R_Mesh_DestroyBufferObject(mod->surfmesh.ebo3i);
-       if (mod->surfmesh.ebo3s)
-               R_Mesh_DestroyBufferObject(mod->surfmesh.ebo3s);
-       if (mod->surfmesh.vbo)
-               R_Mesh_DestroyBufferObject(mod->surfmesh.vbo);
+       if (mod->mempool)
+       {
+               if (mod->surfmesh.vertex3fbuffer)
+                       R_Mesh_DestroyMeshBuffer(mod->surfmesh.vertex3fbuffer);
+               mod->surfmesh.vertex3fbuffer = NULL;
+               if (mod->surfmesh.vertexmeshbuffer)
+                       R_Mesh_DestroyMeshBuffer(mod->surfmesh.vertexmeshbuffer);
+               mod->surfmesh.vertexmeshbuffer = NULL;
+               if (mod->surfmesh.data_element3i_indexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mod->surfmesh.data_element3i_indexbuffer);
+               mod->surfmesh.data_element3i_indexbuffer = NULL;
+               if (mod->surfmesh.data_element3s_indexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mod->surfmesh.data_element3s_indexbuffer);
+               mod->surfmesh.data_element3s_indexbuffer = NULL;
+               if (mod->surfmesh.vbo_vertexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mod->surfmesh.vbo_vertexbuffer);
+               mod->surfmesh.vbo_vertexbuffer = NULL;
+       }
        // free textures/memory attached to the model
        R_FreeTexturePool(&mod->texturepool);
        Mem_FreePool(&mod->mempool);
@@ -349,7 +365,7 @@ dp_model_t *Mod_LoadModel(dp_model_t *mod, qboolean crash, qboolean checkdisk)
        int num;
        unsigned int crc;
        void *buf;
-       fs_offset_t filesize;
+       fs_offset_t filesize = 0;
 
        mod->used = true;
 
@@ -687,7 +703,7 @@ void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtria
        edgehashentry_t *edgehashentries, *hash;
        if (!numtriangles)
                return;
-       edgehash = Mem_Alloc(tempmempool, TRIANGLEEDGEHASH * sizeof(*edgehash));
+       edgehash = (edgehashentry_t **)Mem_Alloc(tempmempool, TRIANGLEEDGEHASH * sizeof(*edgehash));
        // if there are too many triangles for the stack array, allocate larger buffer
        edgehashentries = (edgehashentry_t *)Mem_Alloc(tempmempool, numtriangles * 3 * sizeof(edgehashentry_t));
        // find neighboring triangles
@@ -1173,28 +1189,51 @@ shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool, int maxverts, int maxtria
        return Mod_ShadowMesh_Alloc(mempool, maxverts, maxtriangles, map_diffuse, map_specular, map_normal, light, neighbors, expandable);
 }
 
-static void Mod_ShadowMesh_CreateVBOs(shadowmesh_t *mesh)
+static void Mod_ShadowMesh_CreateVBOs(shadowmesh_t *mesh, mempool_t *mempool)
 {
-       if (!vid.support.arb_vertex_buffer_object)
-               return;
-       if (mesh->vbo)
+       if (!mesh->numverts)
                return;
 
-       // element buffer is easy because it's just one array
-       if (mesh->numtriangles)
+       // build r_vertexmesh_t array
+       // (compressed interleaved array for D3D)
+       if (!mesh->vertexmesh && mesh->texcoord2f && vid.useinterleavedarrays)
        {
-               if (mesh->element3s)
-                       mesh->ebo3s = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, mesh->element3s, mesh->numtriangles * sizeof(unsigned short[3]), "shadowmesh");
-               else
-                       mesh->ebo3i = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, mesh->element3i, mesh->numtriangles * sizeof(unsigned int[3]), "shadowmesh");
+               int vertexindex;
+               int numvertices = mesh->numverts;
+               r_vertexmesh_t *vertexmesh;
+               mesh->vertexmesh = vertexmesh = (r_vertexmesh_t*)Mem_Alloc(mempool, numvertices * sizeof(*mesh->vertexmesh));
+               for (vertexindex = 0;vertexindex < numvertices;vertexindex++, vertexmesh++)
+               {
+                       VectorCopy(mesh->vertex3f + 3*vertexindex, vertexmesh->vertex3f);
+                       VectorScale(mesh->svector3f + 3*vertexindex, 1.0f, vertexmesh->svector3f);
+                       VectorScale(mesh->tvector3f + 3*vertexindex, 1.0f, vertexmesh->tvector3f);
+                       VectorScale(mesh->normal3f + 3*vertexindex, 1.0f, vertexmesh->normal3f);
+                       Vector2Copy(mesh->texcoord2f + 2*vertexindex, vertexmesh->texcoordtexture2f);
+               }
        }
 
+       // upload r_vertexmesh_t array as a buffer
+       if (mesh->vertexmesh && !mesh->vertexmeshbuffer)
+               mesh->vertexmeshbuffer = R_Mesh_CreateMeshBuffer(mesh->vertexmesh, mesh->numverts * sizeof(*mesh->vertexmesh), loadmodel->name, false, false, false);
+
+       // upload vertex3f array as a buffer
+       if (mesh->vertex3f && !mesh->vertex3fbuffer)
+               mesh->vertex3fbuffer = R_Mesh_CreateMeshBuffer(mesh->vertex3f, mesh->numverts * sizeof(float[3]), loadmodel->name, false, false, false);
+
+       // upload short indices as a buffer
+       if (mesh->element3s && !mesh->element3s_indexbuffer)
+               mesh->element3s_indexbuffer = R_Mesh_CreateMeshBuffer(mesh->element3s, mesh->numtriangles * sizeof(short[3]), loadmodel->name, true, false, true);
+
+       // upload int indices as a buffer
+       if (mesh->element3i && !mesh->element3i_indexbuffer && !mesh->element3s)
+               mesh->element3i_indexbuffer = R_Mesh_CreateMeshBuffer(mesh->element3i, mesh->numtriangles * sizeof(int[3]), loadmodel->name, true, false, false);
+
        // vertex buffer is several arrays and we put them in the same buffer
        //
        // is this wise?  the texcoordtexture2f array is used with dynamic
        // vertex/svector/tvector/normal when rendering animated models, on the
        // other hand animated models don't use a lot of vertices anyway...
-       if (mesh->numverts)
+       if (!mesh->vbo_vertexbuffer && !vid.useinterleavedarrays)
        {
                size_t size;
                unsigned char *mem;
@@ -1210,7 +1249,7 @@ static void Mod_ShadowMesh_CreateVBOs(shadowmesh_t *mesh)
                if (mesh->tvector3f         ) memcpy(mem + mesh->vbooffset_tvector3f         , mesh->tvector3f         , mesh->numverts * sizeof(float[3]));
                if (mesh->normal3f          ) memcpy(mem + mesh->vbooffset_normal3f          , mesh->normal3f          , mesh->numverts * sizeof(float[3]));
                if (mesh->texcoord2f        ) memcpy(mem + mesh->vbooffset_texcoord2f        , mesh->texcoord2f        , mesh->numverts * sizeof(float[2]));
-               mesh->vbo = R_Mesh_CreateStaticBufferObject(GL_ARRAY_BUFFER_ARB, mem, size, "shadowmesh");
+               mesh->vbo_vertexbuffer = R_Mesh_CreateMeshBuffer(mem, size, "shadowmesh", false, false, false);
                Mem_Free(mem);
        }
 }
@@ -1234,7 +1273,7 @@ shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh,
                                        newmesh->element3s[i] = newmesh->element3i[i];
                        }
                        if (createvbo)
-                               Mod_ShadowMesh_CreateVBOs(newmesh);
+                               Mod_ShadowMesh_CreateVBOs(newmesh, mempool);
                }
                Mem_Free(mesh);
        }
@@ -1299,12 +1338,16 @@ void Mod_ShadowMesh_Free(shadowmesh_t *mesh)
        shadowmesh_t *nextmesh;
        for (;mesh;mesh = nextmesh)
        {
-               if (mesh->ebo3i)
-                       R_Mesh_DestroyBufferObject(mesh->ebo3i);
-               if (mesh->ebo3s)
-                       R_Mesh_DestroyBufferObject(mesh->ebo3s);
-               if (mesh->vbo)
-                       R_Mesh_DestroyBufferObject(mesh->vbo);
+               if (mesh->vertex3fbuffer)
+                       R_Mesh_DestroyMeshBuffer(mesh->vertex3fbuffer);
+               if (mesh->vertexmeshbuffer)
+                       R_Mesh_DestroyMeshBuffer(mesh->vertexmeshbuffer);
+               if (mesh->element3i_indexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mesh->element3i_indexbuffer);
+               if (mesh->element3s_indexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mesh->element3s_indexbuffer);
+               if (mesh->vbo_vertexbuffer)
+                       R_Mesh_DestroyMeshBuffer(mesh->vbo_vertexbuffer);
                nextmesh = mesh->next;
                Mem_Free(mesh);
        }
@@ -1312,9 +1355,10 @@ void Mod_ShadowMesh_Free(shadowmesh_t *mesh)
 
 void Mod_CreateCollisionMesh(dp_model_t *mod)
 {
-       int k;
-       int numcollisionmeshtriangles;
-       const msurface_t *surface;
+       int k, numcollisionmeshtriangles;
+       qboolean usesinglecollisionmesh = false;
+       const msurface_t *surface = NULL;
+
        mempool_t *mempool = mod->mempool;
        if (!mempool && mod->brush.parentmodel)
                mempool = mod->brush.parentmodel->mempool;
@@ -1324,19 +1368,30 @@ void Mod_CreateCollisionMesh(dp_model_t *mod)
        for (k = 0;k < mod->nummodelsurfaces;k++)
        {
                surface = mod->data_surfaces + mod->firstmodelsurface + k;
+               if (!strcmp(surface->texture->name, "collision")) // found collision mesh
+               {
+                       usesinglecollisionmesh = true;
+                       numcollisionmeshtriangles = surface->num_triangles;
+                       break;
+               }
                if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
                        continue;
                numcollisionmeshtriangles += surface->num_triangles;
        }
        mod->brush.collisionmesh = Mod_ShadowMesh_Begin(mempool, numcollisionmeshtriangles * 3, numcollisionmeshtriangles, NULL, NULL, NULL, false, false, true);
-       for (k = 0;k < mod->nummodelsurfaces;k++)
-       {
-               surface = mod->data_surfaces + mod->firstmodelsurface + k;
-               if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
-                       continue;
+       if (usesinglecollisionmesh)
                Mod_ShadowMesh_AddMesh(mempool, mod->brush.collisionmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
+       else
+       {
+               for (k = 0;k < mod->nummodelsurfaces;k++)
+               {
+                       surface = mod->data_surfaces + mod->firstmodelsurface + k;
+                       if (!(surface->texture->supercontents & SUPERCONTENTS_SOLID))
+                               continue;
+                       Mod_ShadowMesh_AddMesh(mempool, mod->brush.collisionmesh, NULL, NULL, NULL, mod->surfmesh.data_vertex3f, NULL, NULL, NULL, NULL, surface->num_triangles, (mod->surfmesh.data_element3i + 3 * surface->num_firsttriangle));
+               }
        }
-       mod->brush.collisionmesh = Mod_ShadowMesh_Finish(mempool, mod->brush.collisionmesh, false, true, false);
+       mod->brush.collisionmesh = Mod_ShadowMesh_Finish(mempool, mod->brush.collisionmesh, false, false, false);
 }
 
 void Mod_GetTerrainVertex3fTexCoord2fFromBGRA(const unsigned char *imagepixels, int imagewidth, int imageheight, int ix, int iy, float *vertex3f, float *texcoord2f, matrix4x4_t *pixelstepmatrix, matrix4x4_t *pixeltexturestepmatrix)
@@ -1482,16 +1537,26 @@ void Mod_Terrain_UpdateSurfacesForViewOrigin(dp_model_t *model)
 }
 #endif
 
-q3wavefunc_t Mod_LoadQ3Shaders_EnumerateWaveFunc(const char *s)
+int Mod_LoadQ3Shaders_EnumerateWaveFunc(const char *s)
 {
-       if (!strcasecmp(s, "sin"))             return Q3WAVEFUNC_SIN;
-       if (!strcasecmp(s, "square"))          return Q3WAVEFUNC_SQUARE;
-       if (!strcasecmp(s, "triangle"))        return Q3WAVEFUNC_TRIANGLE;
-       if (!strcasecmp(s, "sawtooth"))        return Q3WAVEFUNC_SAWTOOTH;
-       if (!strcasecmp(s, "inversesawtooth")) return Q3WAVEFUNC_INVERSESAWTOOTH;
-       if (!strcasecmp(s, "noise"))           return Q3WAVEFUNC_NOISE;
+       int offset = 0;
+       if (!strncasecmp(s, "user", 4)) // parse stuff like "user1sin", always user<n>func
+       {
+               offset = bound(0, s[4] - '0', 9);
+               offset = (offset + 1) << Q3WAVEFUNC_USER_SHIFT;
+               s += 4;
+               if(*s)
+                       ++s;
+       }
+       if (!strcasecmp(s, "sin"))             return offset | Q3WAVEFUNC_SIN;
+       if (!strcasecmp(s, "square"))          return offset | Q3WAVEFUNC_SQUARE;
+       if (!strcasecmp(s, "triangle"))        return offset | Q3WAVEFUNC_TRIANGLE;
+       if (!strcasecmp(s, "sawtooth"))        return offset | Q3WAVEFUNC_SAWTOOTH;
+       if (!strcasecmp(s, "inversesawtooth")) return offset | Q3WAVEFUNC_INVERSESAWTOOTH;
+       if (!strcasecmp(s, "noise"))           return offset | Q3WAVEFUNC_NOISE;
+       if (!strcasecmp(s, "none"))            return offset | Q3WAVEFUNC_NONE;
        Con_DPrintf("Mod_LoadQ3Shaders: unknown wavefunc %s\n", s);
-       return Q3WAVEFUNC_NONE;
+       return offset | Q3WAVEFUNC_NONE;
 }
 
 void Mod_FreeQ3Shaders(void)
@@ -1540,8 +1605,10 @@ static void Q3Shader_AddToHash (q3shaderinfo_t* shader)
        memcpy (&entry->shader, shader, sizeof (q3shaderinfo_t));
 }
 
-extern cvar_t r_picmipworld;
+extern cvar_t mod_noshader_default_offsetmapping;
 extern cvar_t mod_q3shader_default_offsetmapping;
+extern cvar_t mod_q3shader_default_polygonoffset;
+extern cvar_t mod_q3shader_default_polygonfactor;
 void Mod_LoadQ3Shaders(void)
 {
        int j;
@@ -1553,6 +1620,9 @@ void Mod_LoadQ3Shaders(void)
        q3shaderinfo_layer_t *layer;
        int numparameters;
        char parameter[TEXTURE_MAXFRAMES + 4][Q3PATHLENGTH];
+       char *custsurfaceparmnames[256]; // VorteX: q3map2 has 64 but well, someone will need more
+       unsigned long custsurfaceparms[256]; 
+       int numcustsurfaceparms;
 
        Mod_FreeQ3Shaders();
 
@@ -1564,6 +1634,49 @@ void Mod_LoadQ3Shaders(void)
        Mem_ExpandableArray_NewArray (&q3shader_data->char_ptrs,
                q3shaders_mem, sizeof (char**), 256);
 
+       // parse custinfoparms.txt
+       numcustsurfaceparms = 0;
+       if ((text = f = (char *)FS_LoadFile("scripts/custinfoparms.txt", tempmempool, false, NULL)) != NULL)
+       {
+               if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
+                       Con_DPrintf("scripts/custinfoparms.txt: contentflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
+               else
+               {
+                       while (COM_ParseToken_QuakeC(&text, false))
+                               if (!strcasecmp(com_token, "}"))
+                                       break;
+                       // custom surfaceflags section
+                       if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
+                               Con_DPrintf("scripts/custinfoparms.txt: surfaceflags section parsing error - expected \"{\", found \"%s\"\n", com_token);
+                       else
+                       {
+                               while(COM_ParseToken_QuakeC(&text, false))
+                               {
+                                       if (!strcasecmp(com_token, "}"))
+                                               break;  
+                                       // register surfaceflag
+                                       if (numcustsurfaceparms >= 256)
+                                       {
+                                               Con_Printf("scripts/custinfoparms.txt: surfaceflags section parsing error - max 256 surfaceflags exceeded\n");
+                                               break;
+                                       }
+                                       // name
+                                       j = strlen(com_token)+1;
+                                       custsurfaceparmnames[numcustsurfaceparms] = (char *)Mem_Alloc(tempmempool, j);
+                                       strlcpy(custsurfaceparmnames[numcustsurfaceparms], com_token, j+1);
+                                       // value
+                                       if (COM_ParseToken_QuakeC(&text, false))
+                                               custsurfaceparms[numcustsurfaceparms] = strtol(com_token, NULL, 0);
+                                       else
+                                               custsurfaceparms[numcustsurfaceparms] = 0;
+                                       numcustsurfaceparms++;
+                               }
+                       }
+               }
+               Mem_Free(f);
+       }
+
+       // parse shaders
        search = FS_Search("scripts/*.shader", true, false);
        if (!search)
                return;
@@ -1586,6 +1699,8 @@ void Mod_LoadQ3Shaders(void)
                        shader.offsetscale = 1;
                        shader.specularscalemod = 1;
                        shader.specularpowermod = 1;
+                       shader.biaspolygonoffset = mod_q3shader_default_polygonoffset.value;
+                       shader.biaspolygonfactor = mod_q3shader_default_polygonfactor.value;
 
                        strlcpy(shader.name, com_token, sizeof(shader.name));
                        if (!COM_ParseToken_QuakeC(&text, false) || strcasecmp(com_token, "{"))
@@ -1939,12 +2054,27 @@ void Mod_LoadQ3Shaders(void)
                                        else if (!strcasecmp(parameter[1], "antiportal"))
                                                shader.surfaceparms |= Q3SURFACEPARM_ANTIPORTAL;
                                        else
-                                               Con_DPrintf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
+                                       {
+                                               // try custom surfaceparms
+                                               for (j = 0; j < numcustsurfaceparms; j++)
+                                               {
+                                                       if (!strcasecmp(custsurfaceparmnames[j], parameter[1]))
+                                                       {
+                                                               shader.surfaceparms |= custsurfaceparms[j];
+                                                               break;
+                                                       }
+                                               }
+                                               // failed all
+                                               if (j == numcustsurfaceparms)
+                                                       Con_DPrintf("%s parsing warning: unknown surfaceparm \"%s\"\n", search->filenames[fileindex], parameter[1]);
+                                       }
                                }
                                else if (!strcasecmp(parameter[0], "dpshadow"))
                                        shader.dpshadow = true;
                                else if (!strcasecmp(parameter[0], "dpnoshadow"))
                                        shader.dpnoshadow = true;
+                               else if (!strcasecmp(parameter[0], "dpnortlight"))
+                                       shader.dpnortlight = true;
                                else if (!strcasecmp(parameter[0], "dpreflectcube"))
                                        strlcpy(shader.dpreflectcube, parameter[1], sizeof(shader.dpreflectcube));
                                else if (!strcasecmp(parameter[0], "dpmeshcollisions"))
@@ -1973,6 +2103,18 @@ void Mod_LoadQ3Shaders(void)
                                        shader.textureflags |= Q3TEXTUREFLAG_NOPICMIP;
                                else if (!strcasecmp(parameter[0], "polygonoffset"))
                                        shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
+                               else if (!strcasecmp(parameter[0], "dppolygonoffset"))
+                               {
+                                       shader.textureflags |= Q3TEXTUREFLAG_POLYGONOFFSET;
+                                       if(numparameters >= 2)
+                                       {
+                                               shader.biaspolygonfactor = atof(parameter[1]);
+                                               if(numparameters >= 3)
+                                                       shader.biaspolygonoffset = atof(parameter[2]);
+                                               else
+                                                       shader.biaspolygonoffset = 0;
+                                       }
+                               }
                                else if (!strcasecmp(parameter[0], "dprefract") && numparameters >= 5)
                                {
                                        shader.textureflags |= Q3TEXTUREFLAG_REFRACTION;
@@ -2000,6 +2142,11 @@ void Mod_LoadQ3Shaders(void)
                                        Vector4Set(shader.reflectcolor4f, atof(parameter[8]), atof(parameter[9]), atof(parameter[10]), 1);
                                        shader.r_water_wateralpha = atof(parameter[11]);
                                }
+                               else if (!strcasecmp(parameter[0], "dpwaterscroll") && numparameters >= 3)
+                               {
+                                       shader.r_water_waterscroll[0] = 1/atof(parameter[1]);
+                                       shader.r_water_waterscroll[1] = 1/atof(parameter[2]);
+                               }
                                else if (!strcasecmp(parameter[0], "dpglossintensitymod") && numparameters >= 2)
                                {
                                        shader.specularscalemod = atof(parameter[1]);
@@ -2093,6 +2240,9 @@ void Mod_LoadQ3Shaders(void)
                Mem_Free(f);
        }
        FS_FreeSearch(search);
+       // free custinfoparm values
+       for (j = 0; j < numcustsurfaceparms; j++)
+               Mem_Free(custsurfaceparmnames[j]);
 }
 
 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name)
@@ -2115,7 +2265,7 @@ q3shaderinfo_t *Mod_LookupQ3Shader(const char *name)
 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags)
 {
        int j;
-       int texflagsmask;
+       int texflagsmask, texflagsor;
        qboolean success = true;
        q3shaderinfo_t *shader;
        if (!name)
@@ -2128,8 +2278,13 @@ qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qbool
                texflagsmask &= ~TEXF_PICMIP;
        if(!(defaulttexflags & TEXF_COMPRESS))
                texflagsmask &= ~TEXF_COMPRESS;
+       texflagsor = 0;
+       if(defaulttexflags & TEXF_ISWORLD)
+               texflagsor |= TEXF_ISWORLD;
+       if(defaulttexflags & TEXF_ISSPRITE)
+               texflagsor |= TEXF_ISSPRITE;
        // unless later loaded from the shader
-       texture->offsetmapping = (mod_q3shader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
+       texture->offsetmapping = (mod_noshader_default_offsetmapping.value) ? OFFSETMAPPING_DEFAULT : OFFSETMAPPING_OFF;
        texture->offsetscale = 1;
        texture->specularscalemod = 1;
        texture->specularpowermod = 1; 
@@ -2144,7 +2299,7 @@ qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qbool
                texture->surfaceparms = shader->surfaceparms;
 
                // allow disabling of picmip or compression by defaulttexflags
-               texture->textureflags = shader->textureflags & texflagsmask;
+               texture->textureflags = (shader->textureflags & texflagsmask) | texflagsor;
 
                if (shader->surfaceparms & Q3SURFACEPARM_SKY)
                {
@@ -2165,7 +2320,10 @@ qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qbool
                if (shader->textureflags & Q3TEXTUREFLAG_TWOSIDED)
                        texture->basematerialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
                if (shader->textureflags & Q3TEXTUREFLAG_POLYGONOFFSET)
-                       texture->biaspolygonoffset -= 2;
+               {
+                       texture->biaspolygonoffset += shader->biaspolygonoffset;
+                       texture->biaspolygonfactor += shader->biaspolygonfactor;
+               }
                if (shader->textureflags & Q3TEXTUREFLAG_REFRACTION)
                        texture->basematerialflags |= MATERIALFLAG_REFRACTION;
                if (shader->textureflags & Q3TEXTUREFLAG_REFLECTION)
@@ -2232,7 +2390,7 @@ nothing                GL_ZERO GL_ONE
                                {
                                        texture->skinframes[j] = NULL;
                                }
-                               else if (!(texture->skinframes[j] = R_SkinFrame_LoadExternal(primarylayer->texturename[j], primarylayer->texflags & texflagsmask, false)))
+                               else if (!(texture->skinframes[j] = R_SkinFrame_LoadExternal(primarylayer->texturename[j], (primarylayer->texflags & texflagsmask) | texflagsor, false)))
                                {
                                        Con_Printf("^1%s:^7 could not load texture ^3\"%s\"^7 (frame %i) for shader ^2\"%s\"\n", loadmodel->name, primarylayer->texturename[j], j, texture->name);
                                        texture->skinframes[j] = R_SkinFrame_LoadMissing();
@@ -2253,7 +2411,7 @@ nothing                GL_ZERO GL_ONE
                                {
                                        texture->skinframes[j] = NULL;
                                }
-                               else if (!(texture->backgroundskinframes[j] = R_SkinFrame_LoadExternal(backgroundlayer->texturename[j], backgroundlayer->texflags & texflagsmask, false)))
+                               else if (!(texture->backgroundskinframes[j] = R_SkinFrame_LoadExternal(backgroundlayer->texturename[j], (backgroundlayer->texflags & texflagsmask) | texflagsor, false)))
                                {
                                        Con_Printf("^1%s:^7 could not load texture ^3\"%s\"^7 (background frame %i) for shader ^2\"%s\"\n", loadmodel->name, backgroundlayer->texturename[j], j, texture->name);
                                        texture->backgroundskinframes[j] = R_SkinFrame_LoadMissing();
@@ -2264,6 +2422,8 @@ nothing                GL_ZERO GL_ONE
                        texture->basematerialflags &= ~MATERIALFLAG_NOSHADOW;
                if (shader->dpnoshadow)
                        texture->basematerialflags |= MATERIALFLAG_NOSHADOW;
+               if (shader->dpnortlight)
+                       texture->basematerialflags |= MATERIALFLAG_NORTLIGHT;
                memcpy(texture->deforms, shader->deforms, sizeof(texture->deforms));
                texture->reflectmin = shader->reflectmin;
                texture->reflectmax = shader->reflectmax;
@@ -2272,6 +2432,7 @@ nothing                GL_ZERO GL_ONE
                texture->reflectfactor = shader->reflectfactor;
                Vector4Copy(shader->reflectcolor4f, texture->reflectcolor4f);
                texture->r_water_wateralpha = shader->r_water_wateralpha;
+               Vector2Copy(shader->r_water_waterscroll, texture->r_water_waterscroll);
                texture->offsetmapping = shader->offsetmapping;
                texture->offsetscale = shader->offsetscale;
                texture->specularscalemod = shader->specularscalemod;
@@ -2610,6 +2771,9 @@ void Mod_MakeSortedSurfaces(dp_model_t *mod)
 
 void Mod_BuildVBOs(void)
 {
+       if (!loadmodel->surfmesh.num_vertices)
+               return;
+
        if (gl_paranoid.integer && loadmodel->surfmesh.data_element3s && loadmodel->surfmesh.data_element3i)
        {
                int i;
@@ -2623,27 +2787,51 @@ void Mod_BuildVBOs(void)
                }
        }
 
-       if (!vid.support.arb_vertex_buffer_object)
-               return;
-       // only build a vbo if one has not already been created (this is important for brush models which load specially)
-       if (loadmodel->surfmesh.vbo)
-               return;
-
-       // element buffer is easy because it's just one array
-       if (loadmodel->surfmesh.num_triangles)
+       // build r_vertexmesh_t array
+       // (compressed interleaved array for D3D)
+       if (!loadmodel->surfmesh.vertexmesh && vid.useinterleavedarrays)
        {
-               if (loadmodel->surfmesh.data_element3s)
-                       loadmodel->surfmesh.ebo3s = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, loadmodel->surfmesh.data_element3s, loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]), loadmodel->name);
-               else
-                       loadmodel->surfmesh.ebo3i = R_Mesh_CreateStaticBufferObject(GL_ELEMENT_ARRAY_BUFFER_ARB, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles * sizeof(unsigned int[3]), loadmodel->name);
+               int vertexindex;
+               int numvertices = loadmodel->surfmesh.num_vertices;
+               r_vertexmesh_t *vertexmesh;
+               loadmodel->surfmesh.vertexmesh = vertexmesh = (r_vertexmesh_t*)Mem_Alloc(loadmodel->mempool, numvertices * sizeof(*loadmodel->surfmesh.vertexmesh));
+               for (vertexindex = 0;vertexindex < numvertices;vertexindex++, vertexmesh++)
+               {
+                       VectorCopy(loadmodel->surfmesh.data_vertex3f + 3*vertexindex, vertexmesh->vertex3f);
+                       VectorScale(loadmodel->surfmesh.data_svector3f + 3*vertexindex, 1.0f, vertexmesh->svector3f);
+                       VectorScale(loadmodel->surfmesh.data_tvector3f + 3*vertexindex, 1.0f, vertexmesh->tvector3f);
+                       VectorScale(loadmodel->surfmesh.data_normal3f + 3*vertexindex, 1.0f, vertexmesh->normal3f);
+                       if (loadmodel->surfmesh.data_lightmapcolor4f)
+                               Vector4Copy(loadmodel->surfmesh.data_lightmapcolor4f + 4*vertexindex, vertexmesh->color4f);
+                       Vector2Copy(loadmodel->surfmesh.data_texcoordtexture2f + 2*vertexindex, vertexmesh->texcoordtexture2f);
+                       if (loadmodel->surfmesh.data_texcoordlightmap2f)
+                               Vector2Scale(loadmodel->surfmesh.data_texcoordlightmap2f + 2*vertexindex, 1.0f, vertexmesh->texcoordlightmap2f);
+               }
        }
 
+       // upload r_vertexmesh_t array as a buffer
+       if (loadmodel->surfmesh.vertexmesh && !loadmodel->surfmesh.vertexmeshbuffer)
+               loadmodel->surfmesh.vertexmeshbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.vertexmesh, loadmodel->surfmesh.num_vertices * sizeof(*loadmodel->surfmesh.vertexmesh), loadmodel->name, false, false, false);
+
+       // upload vertex3f array as a buffer
+       if (loadmodel->surfmesh.data_vertex3f && !loadmodel->surfmesh.vertex3fbuffer)
+               loadmodel->surfmesh.vertex3fbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.num_vertices * sizeof(float[3]), loadmodel->name, false, false, false);
+
+       // upload short indices as a buffer
+       if (loadmodel->surfmesh.data_element3s && !loadmodel->surfmesh.data_element3s_indexbuffer)
+               loadmodel->surfmesh.data_element3s_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3s, loadmodel->surfmesh.num_triangles * sizeof(short[3]), loadmodel->name, true, false, true);
+
+       // upload int indices as a buffer
+       if (loadmodel->surfmesh.data_element3i && !loadmodel->surfmesh.data_element3i_indexbuffer && !loadmodel->surfmesh.data_element3s)
+               loadmodel->surfmesh.data_element3i_indexbuffer = R_Mesh_CreateMeshBuffer(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles * sizeof(int[3]), loadmodel->name, true, false, false);
+
+       // only build a vbo if one has not already been created (this is important for brush models which load specially)
        // vertex buffer is several arrays and we put them in the same buffer
        //
        // is this wise?  the texcoordtexture2f array is used with dynamic
        // vertex/svector/tvector/normal when rendering animated models, on the
        // other hand animated models don't use a lot of vertices anyway...
-       if (loadmodel->surfmesh.num_vertices)
+       if (!loadmodel->surfmesh.vbo_vertexbuffer && !vid.useinterleavedarrays)
        {
                size_t size;
                unsigned char *mem;
@@ -2663,14 +2851,14 @@ void Mod_BuildVBOs(void)
                if (loadmodel->surfmesh.data_texcoordtexture2f ) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordtexture2f , loadmodel->surfmesh.data_texcoordtexture2f , loadmodel->surfmesh.num_vertices * sizeof(float[2]));
                if (loadmodel->surfmesh.data_texcoordlightmap2f) memcpy(mem + loadmodel->surfmesh.vbooffset_texcoordlightmap2f, loadmodel->surfmesh.data_texcoordlightmap2f, loadmodel->surfmesh.num_vertices * sizeof(float[2]));
                if (loadmodel->surfmesh.data_lightmapcolor4f   ) memcpy(mem + loadmodel->surfmesh.vbooffset_lightmapcolor4f   , loadmodel->surfmesh.data_lightmapcolor4f   , loadmodel->surfmesh.num_vertices * sizeof(float[4]));
-               loadmodel->surfmesh.vbo = R_Mesh_CreateStaticBufferObject(GL_ARRAY_BUFFER_ARB, mem, size, loadmodel->name);
+               loadmodel->surfmesh.vbo_vertexbuffer = R_Mesh_CreateMeshBuffer(mem, size, loadmodel->name, false, false, false);
                Mem_Free(mem);
        }
 }
 
 static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const char *mtlfilename, const char *originalfilename)
 {
-       int vertexindex, surfaceindex, triangleindex, textureindex, countvertices = 0, countsurfaces = 0, countfaces = 0, counttextures = 0;
+       int submodelindex, vertexindex, surfaceindex, triangleindex, textureindex, countvertices = 0, countsurfaces = 0, countfaces = 0, counttextures = 0;
        int a, b, c;
        const char *texname;
        const int *e;
@@ -2682,6 +2870,7 @@ static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const cha
        const msurface_t *surface;
        const int maxtextures = 256;
        char *texturenames = (char *) Z_Malloc(maxtextures * MAX_QPATH);
+       dp_model_t *submodel;
 
        // construct the mtllib file
        l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# mtllib for %s exported by darkplaces engine\n", originalfilename);
@@ -2717,12 +2906,13 @@ static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const cha
 
        // write the mtllib file
        FS_WriteFile(mtlfilename, outbuffer, outbufferpos);
-       outbufferpos = 0;
 
        // construct the obj file
+       outbufferpos = 0;
        l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "# model exported from %s by darkplaces engine\n# %i vertices, %i faces, %i surfaces\nmtllib %s\n", originalfilename, countvertices, countfaces, countsurfaces, mtlfilename);
        if (l > 0)
                outbufferpos += l;
+
        for (vertexindex = 0, v = model->surfmesh.data_vertex3f, vn = model->surfmesh.data_normal3f, vt = model->surfmesh.data_texcoordtexture2f;vertexindex < model->surfmesh.num_vertices;vertexindex++, v += 3, vn += 3, vt += 2)
        {
                if (outbufferpos >= outbuffermax >> 1)
@@ -2733,31 +2923,40 @@ static void Mod_Decompile_OBJ(dp_model_t *model, const char *filename, const cha
                        memcpy(outbuffer, oldbuffer, outbufferpos);
                        Z_Free(oldbuffer);
                }
-               l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "v %f %f %f\nvn %f %f %f\nvt %f %f\n", v[0], v[2], -v[1], vn[0], vn[2], -vn[1], vt[0], 1-vt[1]);
+               l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "v %f %f %f\nvn %f %f %f\nvt %f %f\n", v[0], v[2], v[1], vn[0], vn[2], vn[1], vt[0], 1-vt[1]);
                if (l > 0)
                        outbufferpos += l;
        }
-       for (surfaceindex = 0, surface = model->data_surfaces;surfaceindex < model->num_surfaces;surfaceindex++, surface++)
+
+       for (submodelindex = 0;submodelindex < max(1, model->brush.numsubmodels);submodelindex++)
        {
-               l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "usemtl %s\n", (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default");
+               l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "o %i\n", submodelindex);
                if (l > 0)
                        outbufferpos += l;
-               for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
+               submodel = model->brush.numsubmodels ? model->brush.submodels[submodelindex] : model;
+               for (surfaceindex = 0;surfaceindex < submodel->nummodelsurfaces;surfaceindex++)
                {
-                       if (outbufferpos >= outbuffermax >> 1)
-                       {
-                               outbuffermax *= 2;
-                               oldbuffer = outbuffer;
-                               outbuffer = (char *) Z_Malloc(outbuffermax);
-                               memcpy(outbuffer, oldbuffer, outbufferpos);
-                               Z_Free(oldbuffer);
-                       }
-                       a = e[0]+1;
-                       b = e[2]+1;
-                       c = e[1]+1;
-                       l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", a,a,a,b,b,b,c,c,c);
+                       surface = model->data_surfaces + submodel->sortedmodelsurfaces[surfaceindex];
+                       l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "usemtl %s\n", (surface->texture && surface->texture->name[0]) ? surface->texture->name : "default");
                        if (l > 0)
                                outbufferpos += l;
+                       for (triangleindex = 0, e = model->surfmesh.data_element3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
+                       {
+                               if (outbufferpos >= outbuffermax >> 1)
+                               {
+                                       outbuffermax *= 2;
+                                       oldbuffer = outbuffer;
+                                       outbuffer = (char *) Z_Malloc(outbuffermax);
+                                       memcpy(outbuffer, oldbuffer, outbufferpos);
+                                       Z_Free(oldbuffer);
+                               }
+                               a = e[0]+1;
+                               b = e[1]+1;
+                               c = e[2]+1;
+                               l = dpsnprintf(outbuffer + outbufferpos, outbuffermax - outbufferpos, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", a,a,a,b,b,b,c,c,c);
+                               if (l > 0)
+                                       outbufferpos += l;
+                       }
                }
        }
 
@@ -3073,7 +3272,7 @@ void Mod_AllocLightmap_Init(mod_alloclightmap_state_t *state, int width, int hei
        state->width = width;
        state->height = height;
        state->currentY = 0;
-       state->rows = Mem_Alloc(loadmodel->mempool, state->height * sizeof(*state->rows));
+       state->rows = (mod_alloclightmap_row_t *)Mem_Alloc(loadmodel->mempool, state->height * sizeof(*state->rows));
        for (y = 0;y < state->height;y++)
        {
                state->rows[y].currentX = 0;
@@ -3234,8 +3433,8 @@ static void Mod_GenerateLightmaps_LightPoint(dp_model_t *model, const vec3_t pos
                        continue;
                lightiradius = 1.0f / lightradius;
                dist = sqrt(dist2) * lightiradius;
-               intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0;
-               if (intensity <= 0)
+               intensity = (1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist);
+               if (intensity <= 0.0f)
                        continue;
                if (model && model->TraceLine)
                {
@@ -3305,28 +3504,28 @@ static void Mod_GenerateLightmaps_CreateLights_ComputeSVBSP(dp_model_t *model, l
        VectorSet(mins, lightinfo->origin[0] - lightinfo->radius, lightinfo->origin[1] - lightinfo->radius, lightinfo->origin[2] - lightinfo->radius);
        VectorSet(maxs, lightinfo->origin[0] + lightinfo->radius, lightinfo->origin[1] + lightinfo->radius, lightinfo->origin[2] + lightinfo->radius);
        VectorCopy(lightinfo->origin, origin);
-       nodes = Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
+       nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
        for (;;)
        {
                SVBSP_Init(&svbsp, origin, maxnodes, nodes);
                Mod_GenerateLightmaps_CreateLights_ComputeSVBSP_InsertSurfaces(model, &svbsp, mins, maxs);
                if (svbsp.ranoutofnodes)
                {
-                       maxnodes *= 2;
-                       if (maxnodes >= 1<<22)
+                       maxnodes *= 16;
+                       if (maxnodes > 1<<22)
                        {
                                Mem_Free(nodes);
                                return;
                        }
                        Mem_Free(nodes);
-                       nodes = Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
+                       nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, maxnodes * sizeof(*nodes));
                }
                else
                        break;
        }
        if (svbsp.numnodes > 0)
        {
-               svbsp.nodes = Mem_Alloc(tempmempool, svbsp.numnodes * sizeof(*nodes));
+               svbsp.nodes = (svbsp_node_t *)Mem_Alloc(tempmempool, svbsp.numnodes * sizeof(*nodes));
                memcpy(svbsp.nodes, nodes, svbsp.numnodes * sizeof(*nodes));
                lightinfo->svbsp = svbsp;
        }
@@ -3352,7 +3551,7 @@ static void Mod_GenerateLightmaps_CreateLights(dp_model_t *model)
        }
        if (mod_generatelightmaps_numlights > 0)
        {
-               mod_generatelightmaps_lightinfo = Mem_Alloc(tempmempool, mod_generatelightmaps_numlights * sizeof(*mod_generatelightmaps_lightinfo));
+               mod_generatelightmaps_lightinfo = (lightmaplight_t *)Mem_Alloc(tempmempool, mod_generatelightmaps_numlights * sizeof(*mod_generatelightmaps_lightinfo));
                lightinfo = mod_generatelightmaps_lightinfo;
                for (index = 0;;index++)
                {
@@ -3619,15 +3818,24 @@ static void Mod_GenerateLightmaps_UnweldTriangles(dp_model_t *model)
        if (model->surfmesh.num_vertices > 65536)
                model->surfmesh.data_element3s = NULL;
 
-       if (model->surfmesh.vbo)
-               R_Mesh_DestroyBufferObject(model->surfmesh.vbo);
-       model->surfmesh.vbo = 0;
-       if (model->surfmesh.ebo3i)
-               R_Mesh_DestroyBufferObject(model->surfmesh.ebo3i);
-       model->surfmesh.ebo3i = 0;
-       if (model->surfmesh.ebo3s)
-               R_Mesh_DestroyBufferObject(model->surfmesh.ebo3s);
-       model->surfmesh.ebo3s = 0;
+       if (model->surfmesh.vertexmesh)
+               Mem_Free(model->surfmesh.vertexmesh);
+       model->surfmesh.vertexmesh = NULL;
+       if (model->surfmesh.vertex3fbuffer)
+               R_Mesh_DestroyMeshBuffer(model->surfmesh.vertex3fbuffer);
+       model->surfmesh.vertex3fbuffer = NULL;
+       if (model->surfmesh.vertexmeshbuffer)
+               R_Mesh_DestroyMeshBuffer(model->surfmesh.vertexmeshbuffer);
+       model->surfmesh.vertexmeshbuffer = NULL;
+       if (model->surfmesh.data_element3i_indexbuffer)
+               R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3i_indexbuffer);
+       model->surfmesh.data_element3i_indexbuffer = NULL;
+       if (model->surfmesh.data_element3s_indexbuffer)
+               R_Mesh_DestroyMeshBuffer(model->surfmesh.data_element3s_indexbuffer);
+       model->surfmesh.data_element3s_indexbuffer = NULL;
+       if (model->surfmesh.vbo_vertexbuffer)
+               R_Mesh_DestroyMeshBuffer(model->surfmesh.vbo_vertexbuffer);
+       model->surfmesh.vbo_vertexbuffer = 0;
 
        // convert all triangles to unique vertex data
        outvertexindex = 0;
@@ -3691,7 +3899,7 @@ static void Mod_GenerateLightmaps_CreateTriangleInformation(dp_model_t *model)
        const int *e;
        lightmaptriangle_t *triangle;
        // generate lightmap triangle structs
-       mod_generatelightmaps_lightmaptriangles = Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
+       mod_generatelightmaps_lightmaptriangles = (lightmaptriangle_t *)Mem_Alloc(model->mempool, model->surfmesh.num_triangles * sizeof(lightmaptriangle_t));
        for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
        {
                surface = model->data_surfaces + surfaceindex;
@@ -3846,10 +4054,10 @@ static void Mod_GenerateLightmaps_CreateLightmaps(dp_model_t *model)
        model->brushq3.deluxemapping_modelspace = true;
        model->brushq3.deluxemapping = true;
        model->brushq3.num_mergedlightmaps = lightmapnumber;
-       model->brushq3.data_lightmaps = Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
-       model->brushq3.data_deluxemaps = Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
-       lightmappixels = Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
-       deluxemappixels = Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
+       model->brushq3.data_lightmaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
+       model->brushq3.data_deluxemaps = (rtexture_t **)Mem_Alloc(model->mempool, model->brushq3.num_mergedlightmaps * sizeof(rtexture_t *));
+       lightmappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
+       deluxemappixels = (unsigned char *)Mem_Alloc(tempmempool, model->brushq3.num_mergedlightmaps * lm_texturesize * lm_texturesize * 4);
        for (surfaceindex = 0;surfaceindex < model->num_surfaces;surfaceindex++)
        {
                surface = model->data_surfaces + surfaceindex;
@@ -3950,8 +4158,8 @@ static void Mod_GenerateLightmaps_CreateLightmaps(dp_model_t *model)
 
        for (lightmapindex = 0;lightmapindex < model->brushq3.num_mergedlightmaps;lightmapindex++)
        {
-               model->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("lightmap%i", lightmapindex), lm_texturesize, lm_texturesize, lightmappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, NULL);
-               model->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("deluxemap%i", lightmapindex), lm_texturesize, lm_texturesize, deluxemappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, NULL);
+               model->brushq3.data_lightmaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("lightmap%i", lightmapindex), lm_texturesize, lm_texturesize, lightmappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, -1, NULL);
+               model->brushq3.data_deluxemaps[lightmapindex] = R_LoadTexture2D(model->texturepool, va("deluxemap%i", lightmapindex), lm_texturesize, lm_texturesize, deluxemappixels + lightmapindex * lm_texturesize * lm_texturesize * 4, TEXTYPE_BGRA, TEXF_FORCELINEAR, -1, NULL);
        }
 
        if (lightmappixels)