]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_brush.c
moved all type-specific model fields to respective structures (alias, sprite, brush)
[xonotic/darkplaces.git] / model_brush.c
index f196dd28120a91f4388c18ad81bc889c4c20e8a3..bfe485fd11d1b757476566b78bd2247bcf331b7f 100644 (file)
@@ -57,7 +57,7 @@ static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
 
        // LordHavoc: modified to start at first clip node,
        // in other words: first node of the (sub)model
-       node = model->nodes + model->hulls[0].firstclipnode;
+       node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
        while (node->contents == 0)
                node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
 
@@ -75,7 +75,7 @@ static int Mod_Q1BSP_PointContents(model_t *model, const vec3_t p)
 
        // LordHavoc: modified to start at first clip node,
        // in other words: first node of the (sub)model
-       node = model->nodes + model->hulls[0].firstclipnode;
+       node = model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode;
        while (node->contents == 0)
                node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
 
@@ -106,7 +106,7 @@ static void Mod_Q1BSP_FindNonSolidLocation_r_Leaf(findnonsolidlocationinfo_t *in
        surfmesh_t *mesh;
        for (surfnum = 0, mark = leaf->firstmarksurface;surfnum < leaf->nummarksurfaces;surfnum++, mark++)
        {
-               surf = info->model->surfaces + *mark;
+               surf = info->model->brushq1.surfaces + *mark;
                if (surf->flags & SURF_SOLIDCLIP)
                {
 #if 0
@@ -239,7 +239,7 @@ static void Mod_Q1BSP_FindNonSolidLocation_r(findnonsolidlocationinfo_t *info, m
        }
 }
 
-static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, vec3_t in, vec3_t out, float radius)
+static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, const vec3_t in, vec3_t out, float radius)
 {
        int i;
        findnonsolidlocationinfo_t info;
@@ -256,7 +256,7 @@ static void Mod_Q1BSP_FindNonSolidLocation(model_t *model, vec3_t in, vec3_t out
        {
                VectorClear(info.nudge);
                info.bestdist = radius;
-               Mod_Q1BSP_FindNonSolidLocation_r(&info, model->nodes + model->hulls[0].firstclipnode);
+               Mod_Q1BSP_FindNonSolidLocation_r(&info, model->brushq1.nodes + model->brushq1.hulls[0].firstclipnode);
                VectorAdd(info.center, info.nudge, info.center);
        }
        while (info.bestdist < radius && ++i < 10);
@@ -270,7 +270,7 @@ static qbyte *Mod_Q1BSP_DecompressVis(model_t *model, qbyte *in)
        qbyte *out;
        int row;
 
-       row = (model->numleafs+7)>>3;
+       row = (model->brushq1.numleafs+7)>>3;
        out = decompressed;
 
        do
@@ -295,7 +295,7 @@ static qbyte *Mod_Q1BSP_DecompressVis(model_t *model, qbyte *in)
 
 static qbyte *Mod_Q1BSP_LeafPVS(model_t *model, mleaf_t *leaf)
 {
-       if (r_novis.integer || leaf == model->leafs || leaf->compressed_vis == NULL)
+       if (r_novis.integer || leaf == model->brushq1.leafs || leaf->compressed_vis == NULL)
                return mod_q1bsp_novis;
        return Mod_Q1BSP_DecompressVis(model, leaf->compressed_vis);
 }
@@ -309,7 +309,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
        qbyte *data, *mtdata;
        char name[256];
 
-       loadmodel->textures = NULL;
+       loadmodel->brushq1.textures = NULL;
 
        if (!l->filelen)
                return;
@@ -319,11 +319,11 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
        m->nummiptex = LittleLong (m->nummiptex);
 
        // add two slots for notexture walls and notexture liquids
-       loadmodel->numtextures = m->nummiptex + 2;
-       loadmodel->textures = Mem_Alloc(loadmodel->mempool, loadmodel->numtextures * sizeof(texture_t));
+       loadmodel->brushq1.numtextures = m->nummiptex + 2;
+       loadmodel->brushq1.textures = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numtextures * sizeof(texture_t));
 
        // fill out all slots with notexture
-       for (i = 0, tx = loadmodel->textures;i < loadmodel->numtextures;i++, tx++)
+       for (i = 0, tx = loadmodel->brushq1.textures;i < loadmodel->brushq1.numtextures;i++, tx++)
        {
                tx->number = i;
                strcpy(tx->name, "NO TEXTURE FOUND");
@@ -332,7 +332,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                tx->skin.base = r_notexture;
                tx->shader = &Cshader_wall_lightmap;
                tx->flags = SURF_SOLIDCLIP;
-               if (i == loadmodel->numtextures - 1)
+               if (i == loadmodel->brushq1.numtextures - 1)
                {
                        tx->flags |= SURF_DRAWTURB | SURF_LIGHTBOTHSIDES;
                        tx->shader = &Cshader_water;
@@ -378,7 +378,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                        if (name[j] >= 'A' && name[j] <= 'Z')
                                name[j] += 'a' - 'A';
 
-               tx = loadmodel->textures + i;
+               tx = loadmodel->brushq1.textures + i;
                strcpy(tx->name, name);
                tx->width = mtwidth;
                tx->height = mtheight;
@@ -390,7 +390,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                }
 
                // LordHavoc: HL sky textures are entirely different than quake
-               if (!loadmodel->ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
+               if (!loadmodel->brushq1.ishlbsp && !strncmp(tx->name, "sky", 3) && mtwidth == 256 && mtheight == 128)
                {
                        if (loadmodel->isworldmodel)
                        {
@@ -419,7 +419,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                        if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE, false, true, true))
                        {
                                // did not find external texture, load it from the bsp or wad3
-                               if (loadmodel->ishlbsp)
+                               if (loadmodel->brushq1.ishlbsp)
                                {
                                        // internal texture overrides wad
                                        qbyte *pixels, *freepixels, *fogpixels;
@@ -496,7 +496,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
        // sequence the animations
        for (i = 0;i < m->nummiptex;i++)
        {
-               tx = loadmodel->textures + i;
+               tx = loadmodel->brushq1.textures + i;
                if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
                        continue;
                if (tx->anim_total[0] || tx->anim_total[1])
@@ -508,7 +508,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
 
                for (j = i;j < m->nummiptex;j++)
                {
-                       tx2 = loadmodel->textures + j;
+                       tx2 = loadmodel->brushq1.textures + j;
                        if (!tx2 || tx2->name[0] != '+' || strcmp(tx2->name+2, tx->name+2))
                                continue;
 
@@ -600,11 +600,11 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
        int i;
        qbyte *in, *out, *data, d;
        char litfilename[1024];
-       loadmodel->lightdata = NULL;
-       if (loadmodel->ishlbsp) // LordHavoc: load the colored lighting data straight
+       loadmodel->brushq1.lightdata = NULL;
+       if (loadmodel->brushq1.ishlbsp) // LordHavoc: load the colored lighting data straight
        {
-               loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
-               memcpy(loadmodel->lightdata, mod_base + l->fileofs, l->filelen);
+               loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
+               memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
        }
        else // LordHavoc: bsp version 29 (normal white lighting)
        {
@@ -621,8 +621,8 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                                if (i == 1)
                                {
                                        Con_DPrintf("loaded %s\n", litfilename);
-                                       loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
-                                       memcpy(loadmodel->lightdata, data + 8, fs_filesize - 8);
+                                       loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
+                                       memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
                                        Mem_Free(data);
                                        return;
                                }
@@ -644,9 +644,9 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                // LordHavoc: oh well, expand the white lighting data
                if (!l->filelen)
                        return;
-               loadmodel->lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
-               in = loadmodel->lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
-               out = loadmodel->lightdata;
+               loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
+               in = loadmodel->brushq1.lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write
+               out = loadmodel->brushq1.lightdata;
                memcpy(in, mod_base + l->fileofs, l->filelen);
                for (i = 0;i < l->filelen;i++)
                {
@@ -683,7 +683,7 @@ static void Mod_Q1BSP_LoadLightList(void)
                        s++;
                        numlights++;
                }
-               loadmodel->lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
+               loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
                s = lightsstring;
                n = 0;
                while (*s && n < numlights)
@@ -696,7 +696,7 @@ static void Mod_Q1BSP_LoadLightList(void)
                                Mem_Free(lightsstring);
                                Host_Error("misparsed lights file!\n");
                        }
-                       e = loadmodel->lights + n;
+                       e = loadmodel->brushq1.lights + n;
                        *s = 0;
                        a = sscanf(t, "%f %f %f %f %f %f %f %f %f %f %f %f %f %d", &e->origin[0], &e->origin[1], &e->origin[2], &e->falloff, &e->light[0], &e->light[1], &e->light[2], &e->subtract, &e->spotdir[0], &e->spotdir[1], &e->spotdir[2], &e->spotcone, &e->distbias, &e->style);
                        *s = '\n';
@@ -713,7 +713,7 @@ static void Mod_Q1BSP_LoadLightList(void)
                        Mem_Free(lightsstring);
                        Host_Error("misparsed lights file!\n");
                }
-               loadmodel->numlights = numlights;
+               loadmodel->brushq1.numlights = numlights;
                Mem_Free(lightsstring);
        }
 }
@@ -730,7 +730,7 @@ static void Mod_Q1BSP_ProcessLightList(void)
        qbyte *pvs;
        vec3_t temp;
        float *v, radius2;
-       for (lnum = 0, e = loadmodel->lights;lnum < loadmodel->numlights;lnum++, e++)
+       for (lnum = 0, e = loadmodel->brushq1.lights;lnum < loadmodel->brushq1.numlights;lnum++, e++)
        {
                e->cullradius2 = DotProduct(e->light, e->light) / (e->falloff * e->falloff * 8192.0f * 8192.0f * 2.0f * 2.0f);// + 4096.0f;
                if (e->cullradius2 > 4096.0f * 4096.0f)
@@ -741,15 +741,15 @@ static void Mod_Q1BSP_ProcessLightList(void)
                        pvs = Mod_Q1BSP_DecompressVis(leaf->compressed_vis, loadmodel);
                else
                        pvs = mod_q1bsp_novis;
-               for (j = 0;j < loadmodel->numsurfaces;j++)
-                       loadmodel->surfacevisframes[j] = -1;
-               for (j = 0, leaf = loadmodel->leafs + 1;j < loadmodel->numleafs - 1;j++, leaf++)
+               for (j = 0;j < loadmodel->brushq1.numsurfaces;j++)
+                       loadmodel->brushq1.surfacevisframes[j] = -1;
+               for (j = 0, leaf = loadmodel->brushq1.leafs + 1;j < loadmodel->brushq1.numleafs - 1;j++, leaf++)
                {
                        if (pvs[j >> 3] & (1 << (j & 7)))
                        {
                                for (k = 0, mark = leaf->firstmarksurface;k < leaf->nummarksurfaces;k++, mark++)
                                {
-                                       surf = loadmodel->surfaces + *mark;
+                                       surf = loadmodel->brushq1.surfaces + *mark;
                                        if (surf->number != *mark)
                                                Con_Printf("%d != %d\n", surf->number, *mark);
                                        dist = DotProduct(e->origin, surf->plane->normal) - surf->plane->dist;
@@ -761,24 +761,24 @@ static void Mod_Q1BSP_ProcessLightList(void)
                                                temp[1] = bound(surf->poly_mins[1], e->origin[1], surf->poly_maxs[1]) - e->origin[1];
                                                temp[2] = bound(surf->poly_mins[2], e->origin[2], surf->poly_maxs[2]) - e->origin[2];
                                                if (DotProduct(temp, temp) < lightradius2)
-                                                       loadmodel->surfacevisframes[*mark] = -2;
+                                                       loadmodel->brushq1.surfacevisframes[*mark] = -2;
                                        }
                                }
                        }
                }
                // build list of light receiving surfaces
                e->numsurfaces = 0;
-               for (j = 0;j < loadmodel->numsurfaces;j++)
-                       if (loadmodel->surfacevisframes[j] == -2)
+               for (j = 0;j < loadmodel->brushq1.numsurfaces;j++)
+                       if (loadmodel->brushq1.surfacevisframes[j] == -2)
                                e->numsurfaces++;
                e->surfaces = NULL;
                if (e->numsurfaces > 0)
                {
                        e->surfaces = Mem_Alloc(loadmodel->mempool, sizeof(msurface_t *) * e->numsurfaces);
                        e->numsurfaces = 0;
-                       for (j = 0;j < loadmodel->numsurfaces;j++)
-                               if (loadmodel->surfacevisframes[j] == -2)
-                                       e->surfaces[e->numsurfaces++] = loadmodel->surfaces + j;
+                       for (j = 0;j < loadmodel->brushq1.numsurfaces;j++)
+                               if (loadmodel->brushq1.surfacevisframes[j] == -2)
+                                       e->surfaces[e->numsurfaces++] = loadmodel->brushq1.surfaces + j;
                }
                // find bounding box and sphere of lit surfaces
                // (these will be used for creating a shape to clip the light)
@@ -979,11 +979,11 @@ static void Mod_Q1BSP_ProcessLightList(void)
 
 static void Mod_Q1BSP_LoadVisibility(lump_t *l)
 {
-       loadmodel->visdata = NULL;
+       loadmodel->brushq1.visdata = NULL;
        if (!l->filelen)
                return;
-       loadmodel->visdata = Mem_Alloc(loadmodel->mempool, l->filelen);
-       memcpy(loadmodel->visdata, mod_base + l->fileofs, l->filelen);
+       loadmodel->brushq1.visdata = Mem_Alloc(loadmodel->mempool, l->filelen);
+       memcpy(loadmodel->brushq1.visdata, mod_base + l->fileofs, l->filelen);
 }
 
 // used only for HalfLife maps
@@ -1015,7 +1015,7 @@ static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
                strcpy(value, com_token);
                if (!strcmp("wad", key)) // for HalfLife maps
                {
-                       if (loadmodel->ishlbsp)
+                       if (loadmodel->brushq1.ishlbsp)
                        {
                                j = 0;
                                for (i = 0;i < 4096;i++)
@@ -1048,13 +1048,13 @@ static void Mod_Q1BSP_ParseWadsFromEntityLump(const char *data)
 
 static void Mod_Q1BSP_LoadEntities(lump_t *l)
 {
-       loadmodel->entities = NULL;
+       loadmodel->brush.entities = NULL;
        if (!l->filelen)
                return;
-       loadmodel->entities = Mem_Alloc(loadmodel->mempool, l->filelen);
-       memcpy(loadmodel->entities, mod_base + l->fileofs, l->filelen);
-       if (loadmodel->ishlbsp)
-               Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->entities);
+       loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+       memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
+       if (loadmodel->brushq1.ishlbsp)
+               Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
 }
 
 
@@ -1070,8 +1070,8 @@ static void Mod_Q1BSP_LoadVertexes(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
-       loadmodel->vertexes = out;
-       loadmodel->numvertexes = count;
+       loadmodel->brushq1.vertexes = out;
+       loadmodel->brushq1.numvertexes = count;
 
        for ( i=0 ; i<count ; i++, in++, out++)
        {
@@ -1093,8 +1093,8 @@ static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
-       loadmodel->submodels = out;
-       loadmodel->numsubmodels = count;
+       loadmodel->brushq1.submodels = out;
+       loadmodel->brushq1.numsubmodels = count;
 
        for ( i=0 ; i<count ; i++, in++, out++)
        {
@@ -1125,8 +1125,8 @@ static void Mod_Q1BSP_LoadEdges(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
-       loadmodel->edges = out;
-       loadmodel->numedges = count;
+       loadmodel->brushq1.edges = out;
+       loadmodel->brushq1.numedges = count;
 
        for ( i=0 ; i<count ; i++, in++, out++)
        {
@@ -1147,8 +1147,8 @@ static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
-       loadmodel->texinfo = out;
-       loadmodel->numtexinfo = count;
+       loadmodel->brushq1.texinfo = out;
+       loadmodel->brushq1.numtexinfo = count;
 
        for (i = 0;i < count;i++, in++, out++)
        {
@@ -1160,25 +1160,25 @@ static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
                out->flags = LittleLong(in->flags);
 
                out->texture = NULL;
-               if (loadmodel->textures)
+               if (loadmodel->brushq1.textures)
                {
-                       if ((unsigned int) miptex >= (unsigned int) loadmodel->numtextures)
-                               Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->numtextures);
+                       if ((unsigned int) miptex >= (unsigned int) loadmodel->brushq1.numtextures)
+                               Con_Printf("error in model \"%s\": invalid miptex index %i(of %i)\n", loadmodel->name, miptex, loadmodel->brushq1.numtextures);
                        else
-                               out->texture = loadmodel->textures + miptex;
+                               out->texture = loadmodel->brushq1.textures + miptex;
                }
                if (out->flags & TEX_SPECIAL)
                {
                        // if texture chosen is NULL or the shader needs a lightmap,
                        // force to notexture water shader
                        if (out->texture == NULL || out->texture->shader->flags & SHADERFLAGS_NEEDLIGHTMAP)
-                               out->texture = loadmodel->textures + (loadmodel->numtextures - 1);
+                               out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 1);
                }
                else
                {
                        // if texture chosen is NULL, force to notexture
                        if (out->texture == NULL)
-                               out->texture = loadmodel->textures + (loadmodel->numtextures - 2);
+                               out->texture = loadmodel->brushq1.textures + (loadmodel->brushq1.numtextures - 2);
                }
        }
 }
@@ -1365,11 +1365,11 @@ static void Mod_Q1BSP_GenerateSurfacePolygon(msurface_t *surf, int firstedge, in
        vert = surf->poly_verts = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * numedges);
        for (i = 0;i < numedges;i++)
        {
-               lindex = loadmodel->surfedges[firstedge + i];
+               lindex = loadmodel->brushq1.surfedges[firstedge + i];
                if (lindex > 0)
-                       vec = loadmodel->vertexes[loadmodel->edges[lindex].v[0]].position;
+                       vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[lindex].v[0]].position;
                else
-                       vec = loadmodel->vertexes[loadmodel->edges[-lindex].v[1]].position;
+                       vec = loadmodel->brushq1.vertexes[loadmodel->brushq1.edges[-lindex].v[1]].position;
                VectorCopy(vec, vert);
                vert += 3;
        }
@@ -1425,35 +1425,35 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       loadmodel->surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
+       loadmodel->brushq1.surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
 
-       loadmodel->numsurfaces = count;
-       loadmodel->surfacevisframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
-       loadmodel->surfacepvsframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
-       loadmodel->pvssurflist = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+       loadmodel->brushq1.numsurfaces = count;
+       loadmodel->brushq1.surfacevisframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+       loadmodel->brushq1.surfacepvsframes = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
+       loadmodel->brushq1.pvssurflist = Mem_Alloc(loadmodel->mempool, count * sizeof(int));
 
-       for (surfnum = 0, surf = loadmodel->surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, in++, surf++)
+       for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, in++, surf++)
        {
                surf->number = surfnum;
                // FIXME: validate edges, texinfo, etc?
                firstedge = LittleLong(in->firstedge);
                numedges = LittleShort(in->numedges);
-               if ((unsigned int) firstedge > (unsigned int) loadmodel->numsurfedges || (unsigned int) numedges > (unsigned int) loadmodel->numsurfedges || (unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->numsurfedges)
-                       Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->numsurfedges);
+               if ((unsigned int) firstedge > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges || (unsigned int) firstedge + (unsigned int) numedges > (unsigned int) loadmodel->brushq1.numsurfedges)
+                       Host_Error("Mod_Q1BSP_LoadFaces: invalid edge range (firstedge %i, numedges %i, model edges %i)\n", firstedge, numedges, loadmodel->brushq1.numsurfedges);
                i = LittleShort(in->texinfo);
-               if ((unsigned int) i >= (unsigned int) loadmodel->numtexinfo)
-                       Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->numtexinfo);
-               surf->texinfo = loadmodel->texinfo + i;
+               if ((unsigned int) i >= (unsigned int) loadmodel->brushq1.numtexinfo)
+                       Host_Error("Mod_Q1BSP_LoadFaces: invalid texinfo index %i(model has %i texinfos)\n", i, loadmodel->brushq1.numtexinfo);
+               surf->texinfo = loadmodel->brushq1.texinfo + i;
                surf->flags = surf->texinfo->texture->flags;
 
                planenum = LittleShort(in->planenum);
-               if ((unsigned int) planenum >= (unsigned int) loadmodel->numplanes)
-                       Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->numplanes);
+               if ((unsigned int) planenum >= (unsigned int) loadmodel->brushq1.numplanes)
+                       Host_Error("Mod_Q1BSP_LoadFaces: invalid plane index %i (model has %i planes)\n", planenum, loadmodel->brushq1.numplanes);
 
                if (LittleShort(in->side))
                        surf->flags |= SURF_PLANEBACK;
 
-               surf->plane = loadmodel->planes + planenum;
+               surf->plane = loadmodel->brushq1.planes + planenum;
 
                // clear lightmap (filled in later)
                surf->lightmaptexture = NULL;
@@ -1472,10 +1472,10 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                i = LittleLong(in->lightofs);
                if (i == -1)
                        surf->samples = NULL;
-               else if (loadmodel->ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
-                       surf->samples = loadmodel->lightdata + i;
+               else if (loadmodel->brushq1.ishlbsp) // LordHavoc: HalfLife map (bsp version 30)
+                       surf->samples = loadmodel->brushq1.lightdata + i;
                else // LordHavoc: white lighting (bsp version 29)
-                       surf->samples = loadmodel->lightdata + (i * 3);
+                       surf->samples = loadmodel->brushq1.lightdata + (i * 3);
 
                if (surf->texinfo->texture->shader == &Cshader_wall_lightmap)
                {
@@ -1488,24 +1488,24 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                }
        }
 
-       loadmodel->entiremesh = Mod_Q1BSP_AllocSurfMesh(totalverts, totaltris);
-       loadmodel->surfmeshes = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) * totalmeshes);
+       loadmodel->brushq1.entiremesh = Mod_Q1BSP_AllocSurfMesh(totalverts, totaltris);
+       loadmodel->brushq1.surfmeshes = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t) * totalmeshes);
 
-       for (surfnum = 0, surf = loadmodel->surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, surf++)
+       for (surfnum = 0, surf = loadmodel->brushq1.surfaces, totalverts = 0, totaltris = 0, totalmeshes = 0;surfnum < count;surfnum++, totalverts += surf->poly_numverts, totaltris += surf->poly_numverts - 2, totalmeshes++, surf++)
        {
-               mesh = surf->mesh = loadmodel->surfmeshes + totalmeshes;
+               mesh = surf->mesh = loadmodel->brushq1.surfmeshes + totalmeshes;
                mesh->numverts = surf->poly_numverts;
                mesh->numtriangles = surf->poly_numverts - 2;
-               mesh->vertex3f = loadmodel->entiremesh->vertex3f + totalverts * 3;
-               mesh->texcoordtexture2f = loadmodel->entiremesh->texcoordtexture2f + totalverts * 2;
-               mesh->texcoordlightmap2f = loadmodel->entiremesh->texcoordlightmap2f + totalverts * 2;
-               mesh->texcoorddetail2f = loadmodel->entiremesh->texcoorddetail2f + totalverts * 2;
-               mesh->svector3f = loadmodel->entiremesh->svector3f + totalverts * 3;
-               mesh->tvector3f = loadmodel->entiremesh->tvector3f + totalverts * 3;
-               mesh->normal3f = loadmodel->entiremesh->normal3f + totalverts * 3;
-               mesh->lightmapoffsets = loadmodel->entiremesh->lightmapoffsets + totalverts;
-               mesh->element3i = loadmodel->entiremesh->element3i + totaltris * 3;
-               mesh->neighbor3i = loadmodel->entiremesh->neighbor3i + totaltris * 3;
+               mesh->vertex3f = loadmodel->brushq1.entiremesh->vertex3f + totalverts * 3;
+               mesh->texcoordtexture2f = loadmodel->brushq1.entiremesh->texcoordtexture2f + totalverts * 2;
+               mesh->texcoordlightmap2f = loadmodel->brushq1.entiremesh->texcoordlightmap2f + totalverts * 2;
+               mesh->texcoorddetail2f = loadmodel->brushq1.entiremesh->texcoorddetail2f + totalverts * 2;
+               mesh->svector3f = loadmodel->brushq1.entiremesh->svector3f + totalverts * 3;
+               mesh->tvector3f = loadmodel->brushq1.entiremesh->tvector3f + totalverts * 3;
+               mesh->normal3f = loadmodel->brushq1.entiremesh->normal3f + totalverts * 3;
+               mesh->lightmapoffsets = loadmodel->brushq1.entiremesh->lightmapoffsets + totalverts;
+               mesh->element3i = loadmodel->brushq1.entiremesh->element3i + totaltris * 3;
+               mesh->neighbor3i = loadmodel->brushq1.entiremesh->neighbor3i + totaltris * 3;
 
                surf->lightmaptexturestride = 0;
                surf->lightmaptexture = NULL;
@@ -1548,12 +1548,12 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        if (r_miplightmaps.integer)
                        {
                                surf->lightmaptexturestride = smax+1;
-                               surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+                               surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_MIPMAP | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
                        }
                        else
                        {
-                               surf->lightmaptexturestride = R_CompatibleFragmentWidth(smax+1, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
-                               surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
+                               surf->lightmaptexturestride = R_CompatibleFragmentWidth(smax+1, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, 0);
+                               surf->lightmaptexture = R_LoadTexture2D(loadmodel->texturepool, NULL, surf->lightmaptexturestride, (surf->extents[1]>>4)+1, NULL, loadmodel->brushq1.lightmaprgba ? TEXTYPE_RGBA : TEXTYPE_RGB, TEXF_FRAGMENT | TEXF_FORCELINEAR | TEXF_PRECACHE, NULL);
                        }
                        R_FragmentLocation(surf->lightmaptexture, NULL, NULL, &ubase, &vbase, &uscale, &vscale);
                        uscale = (uscale - ubase) / (smax + 1);
@@ -1595,8 +1595,8 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
-       loadmodel->nodes = out;
-       loadmodel->numnodes = count;
+       loadmodel->brushq1.nodes = out;
+       loadmodel->brushq1.numnodes = count;
 
        for ( i=0 ; i<count ; i++, in++, out++)
        {
@@ -1607,7 +1607,7 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
                }
 
                p = LittleLong(in->planenum);
-               out->plane = loadmodel->planes + p;
+               out->plane = loadmodel->brushq1.planes + p;
 
                out->firstsurface = LittleShort(in->firstface);
                out->numsurfaces = LittleShort(in->numfaces);
@@ -1616,13 +1616,13 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
                {
                        p = LittleShort(in->children[j]);
                        if (p >= 0)
-                               out->children[j] = loadmodel->nodes + p;
+                               out->children[j] = loadmodel->brushq1.nodes + p;
                        else
-                               out->children[j] = (mnode_t *)(loadmodel->leafs + (-1 - p));
+                               out->children[j] = (mnode_t *)(loadmodel->brushq1.leafs + (-1 - p));
                }
        }
 
-       Mod_Q1BSP_SetParent(loadmodel->nodes, NULL);    // sets nodes and leafs
+       Mod_Q1BSP_SetParent(loadmodel->brushq1.nodes, NULL);    // sets nodes and leafs
 }
 
 static void Mod_Q1BSP_LoadLeafs(lump_t *l)
@@ -1637,8 +1637,8 @@ static void Mod_Q1BSP_LoadLeafs(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
-       loadmodel->leafs = out;
-       loadmodel->numleafs = count;
+       loadmodel->brushq1.leafs = out;
+       loadmodel->brushq1.numleafs = count;
 
        for ( i=0 ; i<count ; i++, in++, out++)
        {
@@ -1651,7 +1651,7 @@ static void Mod_Q1BSP_LoadLeafs(lump_t *l)
                p = LittleLong(in->contents);
                out->contents = p;
 
-               out->firstmarksurface = loadmodel->marksurfaces +
+               out->firstmarksurface = loadmodel->brushq1.marksurfaces +
                        LittleShort(in->firstmarksurface);
                out->nummarksurfaces = LittleShort(in->nummarksurfaces);
 
@@ -1659,7 +1659,7 @@ static void Mod_Q1BSP_LoadLeafs(lump_t *l)
                if (p == -1)
                        out->compressed_vis = NULL;
                else
-                       out->compressed_vis = loadmodel->visdata + p;
+                       out->compressed_vis = loadmodel->brushq1.visdata + p;
 
                for (j=0 ; j<4 ; j++)
                        out->ambient_sound_level[j] = in->ambient_level[j];
@@ -1680,16 +1680,16 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
        count = l->filelen / sizeof(*in);
        out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
-       loadmodel->clipnodes = out;
-       loadmodel->numclipnodes = count;
+       loadmodel->brushq1.clipnodes = out;
+       loadmodel->brushq1.numclipnodes = count;
 
-       if (loadmodel->ishlbsp)
+       if (loadmodel->brushq1.ishlbsp)
        {
-               hull = &loadmodel->hulls[1];
+               hull = &loadmodel->brushq1.hulls[1];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
-               hull->planes = loadmodel->planes;
+               hull->planes = loadmodel->brushq1.planes;
                hull->clip_mins[0] = -16;
                hull->clip_mins[1] = -16;
                hull->clip_mins[2] = -36;
@@ -1698,11 +1698,11 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
                hull->clip_maxs[2] = 36;
                VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
 
-               hull = &loadmodel->hulls[2];
+               hull = &loadmodel->brushq1.hulls[2];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
-               hull->planes = loadmodel->planes;
+               hull->planes = loadmodel->brushq1.planes;
                hull->clip_mins[0] = -32;
                hull->clip_mins[1] = -32;
                hull->clip_mins[2] = -32;
@@ -1711,11 +1711,11 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
                hull->clip_maxs[2] = 32;
                VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
 
-               hull = &loadmodel->hulls[3];
+               hull = &loadmodel->brushq1.hulls[3];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
-               hull->planes = loadmodel->planes;
+               hull->planes = loadmodel->brushq1.planes;
                hull->clip_mins[0] = -16;
                hull->clip_mins[1] = -16;
                hull->clip_mins[2] = -18;
@@ -1726,11 +1726,11 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
        }
        else
        {
-               hull = &loadmodel->hulls[1];
+               hull = &loadmodel->brushq1.hulls[1];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
-               hull->planes = loadmodel->planes;
+               hull->planes = loadmodel->brushq1.planes;
                hull->clip_mins[0] = -16;
                hull->clip_mins[1] = -16;
                hull->clip_mins[2] = -24;
@@ -1739,11 +1739,11 @@ static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
                hull->clip_maxs[2] = 32;
                VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
 
-               hull = &loadmodel->hulls[2];
+               hull = &loadmodel->brushq1.hulls[2];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
-               hull->planes = loadmodel->planes;
+               hull->planes = loadmodel->brushq1.planes;
                hull->clip_mins[0] = -32;
                hull->clip_mins[1] = -32;
                hull->clip_mins[2] = -24;
@@ -1771,21 +1771,21 @@ static void Mod_Q1BSP_MakeHull0(void)
        int                     i;
        hull_t          *hull;
 
-       hull = &loadmodel->hulls[0];
+       hull = &loadmodel->brushq1.hulls[0];
 
-       in = loadmodel->nodes;
-       out = Mem_Alloc(loadmodel->mempool, loadmodel->numnodes * sizeof(dclipnode_t));
+       in = loadmodel->brushq1.nodes;
+       out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numnodes * sizeof(dclipnode_t));
 
        hull->clipnodes = out;
        hull->firstclipnode = 0;
-       hull->lastclipnode = loadmodel->numnodes - 1;
-       hull->planes = loadmodel->planes;
+       hull->lastclipnode = loadmodel->brushq1.numnodes - 1;
+       hull->planes = loadmodel->brushq1.planes;
 
-       for (i = 0;i < loadmodel->numnodes;i++, out++, in++)
+       for (i = 0;i < loadmodel->brushq1.numnodes;i++, out++, in++)
        {
-               out->planenum = in->plane - loadmodel->planes;
-               out->children[0] = in->children[0]->contents < 0 ? in->children[0]->contents : in->children[0] - loadmodel->nodes;
-               out->children[1] = in->children[1]->contents < 0 ? in->children[1]->contents : in->children[1] - loadmodel->nodes;
+               out->planenum = in->plane - loadmodel->brushq1.planes;
+               out->children[0] = in->children[0]->contents < 0 ? in->children[0]->contents : in->children[0] - loadmodel->brushq1.nodes;
+               out->children[1] = in->children[1]->contents < 0 ? in->children[1]->contents : in->children[1] - loadmodel->brushq1.nodes;
        }
 }
 
@@ -1797,15 +1797,15 @@ static void Mod_Q1BSP_LoadMarksurfaces(lump_t *l)
        in = (void *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadMarksurfaces: funny lump size in %s",loadmodel->name);
-       loadmodel->nummarksurfaces = l->filelen / sizeof(*in);
-       loadmodel->marksurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->nummarksurfaces * sizeof(int));
+       loadmodel->brushq1.nummarksurfaces = l->filelen / sizeof(*in);
+       loadmodel->brushq1.marksurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.nummarksurfaces * sizeof(int));
 
-       for (i = 0;i < loadmodel->nummarksurfaces;i++)
+       for (i = 0;i < loadmodel->brushq1.nummarksurfaces;i++)
        {
                j = (unsigned) LittleShort(in[i]);
-               if (j >= loadmodel->numsurfaces)
+               if (j >= loadmodel->brushq1.numsurfaces)
                        Host_Error("Mod_Q1BSP_LoadMarksurfaces: bad surface number");
-               loadmodel->marksurfaces[i] = j;
+               loadmodel->brushq1.marksurfaces[i] = j;
        }
 }
 
@@ -1817,11 +1817,11 @@ static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
        in = (void *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
-       loadmodel->numsurfedges = l->filelen / sizeof(*in);
-       loadmodel->surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->numsurfedges * sizeof(int));
+       loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
+       loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
 
-       for (i = 0;i < loadmodel->numsurfedges;i++)
-               loadmodel->surfedges[i] = LittleLong(in[i]);
+       for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
+               loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
 }
 
 
@@ -1835,10 +1835,10 @@ static void Mod_Q1BSP_LoadPlanes(lump_t *l)
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
 
-       loadmodel->numplanes = l->filelen / sizeof(*in);
-       loadmodel->planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->numplanes * sizeof(*out));
+       loadmodel->brushq1.numplanes = l->filelen / sizeof(*in);
+       loadmodel->brushq1.planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numplanes * sizeof(*out));
 
-       for (i = 0;i < loadmodel->numplanes;i++, in++, out++)
+       for (i = 0;i < loadmodel->brushq1.numplanes;i++, in++, out++)
        {
                out->normal[0] = LittleFloat(in->normal[0]);
                out->normal[1] = LittleFloat(in->normal[1]);
@@ -2194,8 +2194,8 @@ static void Mod_Q1BSP_FinalizePortals(void)
        winding_t *w;
 
        // recalculate bounding boxes for all leafs(because qbsp is very sloppy)
-       leaf = loadmodel->leafs;
-       endleaf = leaf + loadmodel->numleafs;
+       leaf = loadmodel->brushq1.leafs;
+       endleaf = leaf + loadmodel->brushq1.numleafs;
        for (;leaf < endleaf;leaf++)
        {
                VectorSet(leaf->mins,  2000000000,  2000000000,  2000000000);
@@ -2224,7 +2224,7 @@ static void Mod_Q1BSP_FinalizePortals(void)
                p = p->chain;
        }
 
-       Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->nodes);
+       Mod_Q1BSP_RecursiveRecalcNodeBBox(loadmodel->brushq1.nodes);
 
        // tally up portal and point counts
        p = portalchain;
@@ -2243,16 +2243,16 @@ static void Mod_Q1BSP_FinalizePortals(void)
                }
                p = p->chain;
        }
-       loadmodel->portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
-       loadmodel->numportals = numportals;
-       loadmodel->portalpoints = (void *)((qbyte *) loadmodel->portals + numportals * sizeof(mportal_t));
-       loadmodel->numportalpoints = numpoints;
+       loadmodel->brushq1.portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
+       loadmodel->brushq1.numportals = numportals;
+       loadmodel->brushq1.portalpoints = (void *)((qbyte *) loadmodel->brushq1.portals + numportals * sizeof(mportal_t));
+       loadmodel->brushq1.numportalpoints = numpoints;
        // clear all leaf portal chains
-       for (i = 0;i < loadmodel->numleafs;i++)
-               loadmodel->leafs[i].portals = NULL;
+       for (i = 0;i < loadmodel->brushq1.numleafs;i++)
+               loadmodel->brushq1.leafs[i].portals = NULL;
        // process all portals in the global portal chain, while freeing them
-       portal = loadmodel->portals;
-       point = loadmodel->portalpoints;
+       portal = loadmodel->brushq1.portals;
+       point = loadmodel->brushq1.portalpoints;
        p = portalchain;
        portalchain = NULL;
        while (p)
@@ -2514,7 +2514,7 @@ static void Mod_Q1BSP_RecursiveNodePortals(mnode_t *node)
 static void Mod_Q1BSP_MakePortals(void)
 {
        portalchain = NULL;
-       Mod_Q1BSP_RecursiveNodePortals(loadmodel->nodes);
+       Mod_Q1BSP_RecursiveNodePortals(loadmodel->brushq1.nodes);
        Mod_Q1BSP_FinalizePortals();
 }
 
@@ -2569,86 +2569,86 @@ static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *mod
        int i, j, stylecounts[256], totalcount, remapstyles[256];
        msurface_t *surf;
        memset(stylecounts, 0, sizeof(stylecounts));
-       for (i = 0;i < model->nummodelsurfaces;i++)
+       for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
        {
-               surf = model->surfaces + model->firstmodelsurface + i;
+               surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
                for (j = 0;j < MAXLIGHTMAPS;j++)
                        stylecounts[surf->styles[j]]++;
        }
        totalcount = 0;
-       model->light_styles = 0;
+       model->brushq1.light_styles = 0;
        for (i = 0;i < 255;i++)
        {
                if (stylecounts[i])
                {
-                       remapstyles[i] = model->light_styles++;
+                       remapstyles[i] = model->brushq1.light_styles++;
                        totalcount += stylecounts[i] + 1;
                }
        }
        if (!totalcount)
                return;
-       model->light_style = Mem_Alloc(mempool, model->light_styles * sizeof(qbyte));
-       model->light_stylevalue = Mem_Alloc(mempool, model->light_styles * sizeof(int));
-       model->light_styleupdatechains = Mem_Alloc(mempool, model->light_styles * sizeof(msurface_t **));
-       model->light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
-       model->light_styles = 0;
+       model->brushq1.light_style = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
+       model->brushq1.light_stylevalue = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
+       model->brushq1.light_styleupdatechains = Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
+       model->brushq1.light_styleupdatechainsbuffer = Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
+       model->brushq1.light_styles = 0;
        for (i = 0;i < 255;i++)
                if (stylecounts[i])
-                       model->light_style[model->light_styles++] = i;
+                       model->brushq1.light_style[model->brushq1.light_styles++] = i;
        j = 0;
-       for (i = 0;i < model->light_styles;i++)
+       for (i = 0;i < model->brushq1.light_styles;i++)
        {
-               model->light_styleupdatechains[i] = model->light_styleupdatechainsbuffer + j;
-               j += stylecounts[model->light_style[i]] + 1;
+               model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+               j += stylecounts[model->brushq1.light_style[i]] + 1;
        }
-       for (i = 0;i < model->nummodelsurfaces;i++)
+       for (i = 0;i < model->brushq1.nummodelsurfaces;i++)
        {
-               surf = model->surfaces + model->firstmodelsurface + i;
+               surf = model->brushq1.surfaces + model->brushq1.firstmodelsurface + i;
                for (j = 0;j < MAXLIGHTMAPS;j++)
                        if (surf->styles[j] != 255)
-                               *model->light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
+                               *model->brushq1.light_styleupdatechains[remapstyles[surf->styles[j]]]++ = surf;
        }
        j = 0;
-       for (i = 0;i < model->light_styles;i++)
+       for (i = 0;i < model->brushq1.light_styles;i++)
        {
-               *model->light_styleupdatechains[i] = NULL;
-               model->light_styleupdatechains[i] = model->light_styleupdatechainsbuffer + j;
-               j += stylecounts[model->light_style[i]] + 1;
+               *model->brushq1.light_styleupdatechains[i] = NULL;
+               model->brushq1.light_styleupdatechains[i] = model->brushq1.light_styleupdatechainsbuffer + j;
+               j += stylecounts[model->brushq1.light_style[i]] + 1;
        }
 }
 
 static void Mod_Q1BSP_BuildPVSTextureChains(model_t *model)
 {
        int i, j;
-       for (i = 0;i < model->numtextures;i++)
-               model->pvstexturechainslength[i] = 0;
-       for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
+       for (i = 0;i < model->brushq1.numtextures;i++)
+               model->brushq1.pvstexturechainslength[i] = 0;
+       for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
        {
-               if (model->surfacepvsframes[j] == model->pvsframecount)
+               if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
                {
-                       model->pvssurflist[model->pvssurflistlength++] = j;
-                       model->pvstexturechainslength[model->surfaces[j].texinfo->texture->number]++;
+                       model->brushq1.pvssurflist[model->brushq1.pvssurflistlength++] = j;
+                       model->brushq1.pvstexturechainslength[model->brushq1.surfaces[j].texinfo->texture->number]++;
                }
        }
-       for (i = 0, j = 0;i < model->numtextures;i++)
+       for (i = 0, j = 0;i < model->brushq1.numtextures;i++)
        {
-               if (model->pvstexturechainslength[i])
+               if (model->brushq1.pvstexturechainslength[i])
                {
-                       model->pvstexturechains[i] = model->pvstexturechainsbuffer + j;
-                       j += model->pvstexturechainslength[i] + 1;
+                       model->brushq1.pvstexturechains[i] = model->brushq1.pvstexturechainsbuffer + j;
+                       j += model->brushq1.pvstexturechainslength[i] + 1;
                }
                else
-                       model->pvstexturechains[i] = NULL;
+                       model->brushq1.pvstexturechains[i] = NULL;
        }
-       for (i = 0, j = model->firstmodelsurface;i < model->nummodelsurfaces;i++, j++)
-               if (model->surfacepvsframes[j] == model->pvsframecount)
-                       *model->pvstexturechains[model->surfaces[j].texinfo->texture->number]++ = model->surfaces + j;
-       for (i = 0;i < model->numtextures;i++)
+       for (i = 0, j = model->brushq1.firstmodelsurface;i < model->brushq1.nummodelsurfaces;i++, j++)
+               if (model->brushq1.surfacepvsframes[j] == model->brushq1.pvsframecount)
+                       *model->brushq1.pvstexturechains[model->brushq1.surfaces[j].texinfo->texture->number]++ = model->brushq1.surfaces + j;
+       for (i = 0;i < model->brushq1.numtextures;i++)
        {
-               if (model->pvstexturechainslength[i])
+               if (model->brushq1.pvstexturechainslength[i])
                {
-                       *model->pvstexturechains[i] = NULL;
-                       model->pvstexturechains[i] -= model->pvstexturechainslength[i];
+                       *model->brushq1.pvstexturechains[i] = NULL;
+                       model->brushq1.pvstexturechains[i] -= model->brushq1.pvstexturechainslength[i];
                }
        }
 }
@@ -2676,17 +2676,17 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        i = LittleLong(header->version);
        if (i != BSPVERSION && i != 30)
                Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i(Quake) or 30(HalfLife))", mod->name, i, BSPVERSION);
-       mod->ishlbsp = i == 30;
+       mod->brushq1.ishlbsp = i == 30;
 
-       mod->FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
-       mod->PointInLeaf = Mod_Q1BSP_PointInLeaf;
-       mod->PointContents = Mod_Q1BSP_PointContents;
-       mod->LeafPVS = Mod_Q1BSP_LeafPVS;
-       mod->BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
+       mod->brushq1.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
+       mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
+       mod->brushq1.PointContents = Mod_Q1BSP_PointContents;
+       mod->brushq1.LeafPVS = Mod_Q1BSP_LeafPVS;
+       mod->brushq1.BuildPVSTextureChains = Mod_Q1BSP_BuildPVSTextureChains;
 
        if (loadmodel->isworldmodel)
        {
-               Cvar_SetValue("halflifebsp", mod->ishlbsp);
+               Cvar_SetValue("halflifebsp", mod->brushq1.ishlbsp);
                // until we get a texture for it...
                R_ResetQuakeSky();
        }
@@ -2700,7 +2700,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
 // load into heap
 
        // store which lightmap format to use
-       mod->lightmaprgba = r_lightmaprgba.integer;
+       mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
 
        Mod_Q1BSP_LoadEntities(&header->lumps[LUMP_ENTITIES]);
        Mod_Q1BSP_LoadVertexes(&header->lumps[LUMP_VERTEXES]);
@@ -2732,19 +2732,19 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
 //
 // set up the submodels(FIXME: this is confusing)
 //
-       for (i = 0;i < mod->numsubmodels;i++)
+       for (i = 0;i < mod->brushq1.numsubmodels;i++)
        {
-               bm = &mod->submodels[i];
+               bm = &mod->brushq1.submodels[i];
 
-               mod->hulls[0].firstclipnode = bm->headnode[0];
+               mod->brushq1.hulls[0].firstclipnode = bm->headnode[0];
                for (j=1 ; j<MAX_MAP_HULLS ; j++)
                {
-                       mod->hulls[j].firstclipnode = bm->headnode[j];
-                       mod->hulls[j].lastclipnode = mod->numclipnodes - 1;
+                       mod->brushq1.hulls[j].firstclipnode = bm->headnode[j];
+                       mod->brushq1.hulls[j].lastclipnode = mod->brushq1.numclipnodes - 1;
                }
 
-               mod->firstmodelsurface = bm->firstface;
-               mod->nummodelsurfaces = bm->numfaces;
+               mod->brushq1.firstmodelsurface = bm->firstface;
+               mod->brushq1.nummodelsurfaces = bm->numfaces;
 
                // this gets altered below if sky is used
                mod->DrawSky = NULL;
@@ -2752,25 +2752,25 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                mod->DrawFakeShadow = NULL;
                mod->DrawShadowVolume = R_Model_Brush_DrawShadowVolume;
                mod->DrawLight = R_Model_Brush_DrawLight;
-               mod->pvstexturechains = Mem_Alloc(originalloadmodel->mempool, mod->numtextures * sizeof(msurface_t **));
-               mod->pvstexturechainsbuffer = Mem_Alloc(originalloadmodel->mempool,(mod->nummodelsurfaces + mod->numtextures) * sizeof(msurface_t *));
-               mod->pvstexturechainslength = Mem_Alloc(originalloadmodel->mempool, mod->numtextures * sizeof(int));
+               mod->brushq1.pvstexturechains = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(msurface_t **));
+               mod->brushq1.pvstexturechainsbuffer = Mem_Alloc(originalloadmodel->mempool,(mod->brushq1.nummodelsurfaces + mod->brushq1.numtextures) * sizeof(msurface_t *));
+               mod->brushq1.pvstexturechainslength = Mem_Alloc(originalloadmodel->mempool, mod->brushq1.numtextures * sizeof(int));
                Mod_Q1BSP_BuildPVSTextureChains(mod);
                Mod_Q1BSP_BuildLightmapUpdateChains(originalloadmodel->mempool, mod);
-               if (mod->nummodelsurfaces)
+               if (mod->brushq1.nummodelsurfaces)
                {
                        // LordHavoc: calculate bmodel bounding box rather than trusting what it says
                        mod->normalmins[0] = mod->normalmins[1] = mod->normalmins[2] = 1000000000.0f;
                        mod->normalmaxs[0] = mod->normalmaxs[1] = mod->normalmaxs[2] = -1000000000.0f;
                        modelyawradius = 0;
                        modelradius = 0;
-                       for (j = 0, surf = &mod->surfaces[mod->firstmodelsurface];j < mod->nummodelsurfaces;j++, surf++)
+                       for (j = 0, surf = &mod->brushq1.surfaces[mod->brushq1.firstmodelsurface];j < mod->brushq1.nummodelsurfaces;j++, surf++)
                        {
                                // we only need to have a drawsky function if it is used(usually only on world model)
                                if (surf->texinfo->texture->shader == &Cshader_sky)
                                        mod->DrawSky = R_Model_Brush_DrawSky;
                                // LordHavoc: submodels always clip, even if water
-                               if (mod->numsubmodels - 1)
+                               if (mod->brushq1.numsubmodels - 1)
                                        surf->flags |= SURF_SOLIDCLIP;
                                // calculate bounding shapes
                                for (mesh = surf->mesh;mesh;mesh = mesh->chain)
@@ -2807,13 +2807,13 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                        // LordHavoc: empty submodel(lacrima.bsp has such a glitch)
                        Con_Printf("warning: empty submodel *%i in %s\n", i+1, loadname);
                }
-               Mod_Q1BSP_BuildSurfaceNeighbors(mod->surfaces + mod->firstmodelsurface, mod->nummodelsurfaces, originalloadmodel->mempool);
+               Mod_Q1BSP_BuildSurfaceNeighbors(mod->brushq1.surfaces + mod->brushq1.firstmodelsurface, mod->brushq1.nummodelsurfaces, originalloadmodel->mempool);
 
-               mod->numleafs = bm->visleafs;
+               mod->brushq1.numleafs = bm->visleafs;
 
                // LordHavoc: only register submodels if it is the world
                // (prevents bsp models from replacing world submodels)
-               if (loadmodel->isworldmodel && i < (mod->numsubmodels - 1))
+               if (loadmodel->isworldmodel && i < (mod->brushq1.numsubmodels - 1))
                {
                        char    name[10];
                        // duplicate the basic information
@@ -3215,17 +3215,19 @@ void Mod_Q2BSP_Load(model_t *mod, void *buffer)
        int i;
        q2dheader_t *header;
 
+       Host_Error("Mod_Q2BSP_Load: not yet implemented\n");
+
        mod->type = mod_brushq2;
 
        header = (q2dheader_t *)buffer;
 
        i = LittleLong(header->version);
        if (i != Q2BSPVERSION)
-               Host_Error("Mod_Q2BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, BSPVERSION);
-       mod->ishlbsp = false;
+               Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
+       mod->brushq1.ishlbsp = false;
        if (loadmodel->isworldmodel)
        {
-               Cvar_SetValue("halflifebsp", mod->ishlbsp);
+               Cvar_SetValue("halflifebsp", mod->brushq1.ishlbsp);
                // until we get a texture for it...
                R_ResetQuakeSky();
        }
@@ -3233,11 +3235,11 @@ void Mod_Q2BSP_Load(model_t *mod, void *buffer)
        mod_base = (qbyte *)header;
 
        // swap all the lumps
-       for (i = 0;i < (int) sizeof(dheader_t) / 4;i++)
+       for (i = 0;i < (int) sizeof(*header) / 4;i++)
                ((int *)header)[i] = LittleLong(((int *)header)[i]);
 
        // store which lightmap format to use
-       mod->lightmaprgba = r_lightmaprgba.integer;
+       mod->brushq1.lightmaprgba = r_lightmaprgba.integer;
 
        Mod_Q2BSP_LoadEntities(&header->lumps[Q2LUMP_ENTITIES]);
        Mod_Q2BSP_LoadPlanes(&header->lumps[Q2LUMP_PLANES]);
@@ -3260,17 +3262,417 @@ void Mod_Q2BSP_Load(model_t *mod, void *buffer)
        Mod_Q2BSP_LoadModels(&header->lumps[Q2LUMP_MODELS]);
 }
 
+static void Mod_Q3BSP_LoadEntities(lump_t *l)
+{
+       if (!l->filelen)
+               return;
+       loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+       memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
+}
+
+static void Mod_Q3BSP_LoadTextures(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadTextures: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadPlanes(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadPlanes: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadNodes(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadNodes: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadLeafs(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadLeafFaces: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadLeafBrushes: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadModels(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadModels: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadBrushes(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadBrushes: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadBrushSides: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadVertices(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadTriangles(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadEffects(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadEffects: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadFaces(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadFaces: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
+static void Mod_Q3BSP_LoadPVS(lump_t *l)
+{
+/*
+       d_t *in;
+       m_t *out;
+       int i, count;
+
+       in = (void *)(mod_base + l->fileofs);
+       if (l->filelen % sizeof(*in))
+               Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
+       count = l->filelen / sizeof(*in);
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+
+       loadmodel-> = out;
+       loadmodel->num = count;
+
+       for (i = 0;i < count;i++, in++, out++)
+       {
+       }
+*/
+}
+
 void Mod_Q3BSP_Load(model_t *mod, void *buffer)
 {
+       int i;
+       q3dheader_t *header;
        Host_Error("Mod_Q3BSP_Load: not yet implemented\n");
+
+       mod->type = mod_brushq2;
+
+       header = (q3dheader_t *)buffer;
+
+       i = LittleLong(header->version);
+       if (i != Q3BSPVERSION)
+               Host_Error("Mod_Q3BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q3BSPVERSION);
+       if (loadmodel->isworldmodel)
+       {
+               Cvar_SetValue("halflifebsp", false);
+               // until we get a texture for it...
+               R_ResetQuakeSky();
+       }
+
+       mod_base = (qbyte *)header;
+
+       // swap all the lumps
+       for (i = 0;i < (int) sizeof(*header) / 4;i++)
+               ((int *)header)[i] = LittleLong(((int *)header)[i]);
+
+       Mod_Q3BSP_LoadEntities(&header->lumps[Q3LUMP_ENTITIES]);
+       Mod_Q3BSP_LoadTextures(&header->lumps[Q3LUMP_TEXTURES]);
+       Mod_Q3BSP_LoadPlanes(&header->lumps[Q3LUMP_PLANES]);
+       Mod_Q3BSP_LoadNodes(&header->lumps[Q3LUMP_NODES]);
+       Mod_Q3BSP_LoadBrushSides(&header->lumps[Q3LUMP_BRUSHSIDES]);
+       Mod_Q3BSP_LoadBrushes(&header->lumps[Q3LUMP_BRUSHES]);
+       Mod_Q3BSP_LoadEffects(&header->lumps[Q3LUMP_EFFECTS]);
+       Mod_Q3BSP_LoadVertices(&header->lumps[Q3LUMP_VERTICES]);
+       Mod_Q3BSP_LoadTriangles(&header->lumps[Q3LUMP_TRIANGLES]);
+       Mod_Q3BSP_LoadLightmaps(&header->lumps[Q3LUMP_LIGHTMAPS]);
+       Mod_Q3BSP_LoadFaces(&header->lumps[Q3LUMP_FACES]);
+       Mod_Q3BSP_LoadModels(&header->lumps[Q3LUMP_MODELS]);
+       Mod_Q3BSP_LoadLeafBrushes(&header->lumps[Q3LUMP_LEAFBRUSHES]);
+       Mod_Q3BSP_LoadLeafFaces(&header->lumps[Q3LUMP_LEAFFACES]);
+       Mod_Q3BSP_LoadLeafs(&header->lumps[Q3LUMP_LEAFS]);
+       Mod_Q3BSP_LoadLightGrid(&header->lumps[Q3LUMP_LIGHTGRID]);
+       Mod_Q3BSP_LoadPVS(&header->lumps[Q3LUMP_PVS]);
 }
 
 void Mod_IBSP_Load(model_t *mod, void *buffer)
 {
        int i = LittleLong(* ((int *)buffer));
-       if (i == 46)
+       if (i == Q3BSPVERSION)
                Mod_Q3BSP_Load(mod,buffer);
-       else if (i == 38)
+       else if (i == Q2BSPVERSION)
                Mod_Q2BSP_Load(mod,buffer);
        else
                Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);