]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_brush.c
got rid of Mod_CheckLoaded, changed how model system restart works to make this work...
[xonotic/darkplaces.git] / model_brush.c
index 443bb23c03ece6f70569194b408daf953826a052..68554e0dfc69f1d81c96494012fd52bc079a68fb 100644 (file)
@@ -28,6 +28,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 //cvar_t r_subdivide_size = {CVAR_SAVE, "r_subdivide_size", "128"};
 cvar_t halflifebsp = {0, "halflifebsp", "0"};
+cvar_t mcbsp = {0, "mcbsp", "0"};
 cvar_t r_novis = {0, "r_novis", "0"};
 cvar_t r_miplightmaps = {CVAR_SAVE, "r_miplightmaps", "0"};
 cvar_t r_lightmaprgba = {0, "r_lightmaprgba", "1"};
@@ -48,6 +49,7 @@ void Mod_BrushInit(void)
 {
 //     Cvar_RegisterVariable(&r_subdivide_size);
        Cvar_RegisterVariable(&halflifebsp);
+       Cvar_RegisterVariable(&mcbsp);
        Cvar_RegisterVariable(&r_novis);
        Cvar_RegisterVariable(&r_miplightmaps);
        Cvar_RegisterVariable(&r_lightmaprgba);
@@ -72,8 +74,6 @@ static mleaf_t *Mod_Q1BSP_PointInLeaf(model_t *model, const vec3_t p)
        if (model == NULL)
                return NULL;
 
-       Mod_CheckLoaded(model);
-
        // LordHavoc: modified to start at first clip node,
        // in other words: first node of the (sub)model
        node = model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode;
@@ -102,6 +102,48 @@ static void Mod_Q1BSP_AmbientSoundLevelsForPoint(model_t *model, const vec3_t p,
                memset(out, 0, outsize);
 }
 
+static int Mod_Q1BSP_FindBoxClusters(model_t *model, const vec3_t mins, const vec3_t maxs, int maxclusters, int *clusterlist)
+{
+       int numclusters = 0, side, nodestackindex = 0;
+       mnode_t *node, *nodestack[1024];
+       if (!model->brush.num_pvsclusters)
+               return -1;
+       node = model->brush.data_nodes;
+       for (;;)
+       {
+               if (node->plane)
+               {
+                       // node - recurse down the BSP tree
+                       side = BoxOnPlaneSide(mins, maxs, node->plane) - 1;
+                       if (side < 2)
+                       {
+                               // box is on one side of plane, take that path
+                               node = node->children[side];
+                       }
+                       else
+                       {
+                               // box crosses plane, take one path and remember the other
+                               if (nodestackindex < 1024)
+                                       nodestack[nodestackindex++] = node->children[0];
+                               node = node->children[1];
+                       }
+               }
+               else
+               {
+                       // leaf - check cluster bit
+                       if (numclusters < maxclusters)
+                               clusterlist[numclusters] = ((mleaf_t *)node)->clusterindex;
+                       numclusters++;
+                       // try another path we didn't take earlier
+                       if (nodestackindex == 0)
+                               break;
+                       node = nodestack[--nodestackindex];
+               }
+       }
+       // return number of clusters found (even if more than the maxclusters)
+       return numclusters;
+}
+
 static int Mod_Q1BSP_BoxTouchingPVS(model_t *model, const qbyte *pvs, const vec3_t mins, const vec3_t maxs)
 {
        int clusterindex, side, nodestackindex = 0;
@@ -427,7 +469,7 @@ int Mod_Q1BSP_NativeContentsFromSuperContents(model_t *model, int supercontents)
        return CONTENTS_EMPTY;
 }
 
-typedef struct
+typedef struct RecursiveHullCheckTraceInfo_s
 {
        // the hull we're tracing through
        const hull_t *hull;
@@ -637,6 +679,13 @@ static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace,
        VectorSubtract(boxstartmaxs, boxstartmins, boxsize);
        if (boxsize[0] < 3)
                rhc.hull = &model->brushq1.hulls[0]; // 0x0x0
+       else if (model->brush.ismcbsp)
+       {
+               if (boxsize[2] < 48) // pick the nearest of 40 or 56
+                       rhc.hull = &model->brushq1.hulls[2]; // 16x16x40
+               else
+                       rhc.hull = &model->brushq1.hulls[1]; // 16x16x56
+       }
        else if (model->brush.ishlbsp)
        {
                // LordHavoc: this has to have a minor tolerance (the .1) because of
@@ -773,7 +822,7 @@ void Collision_ClipTrace_Box(trace_t *trace, const vec3_t cmins, const vec3_t cm
 #endif
 }
 
-static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
+static int Mod_Q1BSP_LightPoint_RecursiveBSPNode(model_t *model, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal, const mnode_t *node, float x, float y, float startz, float endz)
 {
        int side, distz = endz - startz;
        float front, back;
@@ -817,7 +866,7 @@ loc0:
        }
 
        // go down front side
-       if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
+       if (node->children[side]->plane && Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, node->children[side], x, y, startz, mid))
                return true;    // hit something
        else
        {
@@ -827,7 +876,7 @@ loc0:
                        int i, ds, dt;
                        msurface_t *surface;
 
-                       surface = r_refdef.worldmodel->data_surfaces + node->firstsurface;
+                       surface = model->data_surfaces + node->firstsurface;
                        for (i = 0;i < node->numsurfaces;i++, surface++)
                        {
                                if (!(surface->texture->basematerialflags & MATERIALFLAG_WALL) || !surface->lightmapinfo->samples)
@@ -908,7 +957,7 @@ middle sample (the one which was requested)
 
 void Mod_Q1BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffusenormal)
 {
-       Mod_Q1BSP_LightPoint_RecursiveBSPNode(ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
+       Mod_Q1BSP_LightPoint_RecursiveBSPNode(model, ambientcolor, diffusecolor, diffusenormal, model->brush.data_nodes + model->brushq1.hulls[0].firstclipnode, p[0], p[1], p[2], p[2] - 65536);
 }
 
 static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *out, qbyte *outend)
@@ -1040,7 +1089,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                loadmodel->num_textures = 2;
        }
 
-       loadmodel->data_textures = Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t));
+       loadmodel->data_textures = (texture_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_textures * sizeof(texture_t));
 
        // fill out all slots with notexture
        for (i = 0, tx = loadmodel->data_textures;i < loadmodel->num_textures;i++, tx++)
@@ -1132,7 +1181,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                }
                else
                {
-                       if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*', true))
+                       if (!Mod_LoadSkinFrame(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, false, true))
                        {
                                // did not find external texture, load it from the bsp or wad3
                                if (loadmodel->brush.ishlbsp)
@@ -1151,7 +1200,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                                                tx->skin.base = tx->skin.merged = R_LoadTexture2D(loadmodel->texturepool, tx->name, image_width, image_height, pixels, TEXTYPE_RGBA, TEXF_MIPMAP | TEXF_ALPHA | TEXF_PRECACHE | TEXF_PICMIP, NULL);
                                                if (Image_CheckAlpha(pixels, image_width * image_height, true))
                                                {
-                                                       fogpixels = Mem_Alloc(tempmempool, image_width * image_height * 4);
+                                                       fogpixels = (qbyte *)Mem_Alloc(tempmempool, image_width * image_height * 4);
                                                        for (j = 0;j < image_width * image_height * 4;j += 4)
                                                        {
                                                                fogpixels[j + 0] = 255;
@@ -1167,7 +1216,7 @@ static void Mod_Q1BSP_LoadTextures(lump_t *l)
                                                Mem_Free(freepixels);
                                }
                                else if (mtdata) // texture included
-                                       Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*', tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
+                                       Mod_LoadSkinFrame_Internal(&tx->skin, tx->name, TEXF_MIPMAP | TEXF_PRECACHE | TEXF_PICMIP, false, tx->name[0] != '*' && r_fullbrights.integer, mtdata, tx->width, tx->height);
                        }
                }
                if (tx->skin.base == NULL)
@@ -1324,10 +1373,15 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
        loadmodel->brushq1.lightdata = NULL;
        if (loadmodel->brush.ishlbsp) // LordHavoc: load the colored lighting data straight
        {
-               loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen);
+               loadmodel->brushq1.lightdata = (qbyte *)Mem_Alloc(loadmodel->mempool, l->filelen);
                for (i=0; i<l->filelen; i++)
                        loadmodel->brushq1.lightdata[i] = mod_base[l->fileofs+i] >>= 1;
        }
+       else if (loadmodel->brush.ismcbsp)
+       {
+               loadmodel->brushq1.lightdata = (qbyte *)Mem_Alloc(loadmodel->mempool, l->filelen);
+               memcpy(loadmodel->brushq1.lightdata, mod_base + l->fileofs, l->filelen);
+       }
        else // LordHavoc: bsp version 29 (normal white lighting)
        {
                // LordHavoc: hope is not lost yet, check for a .lit file to load
@@ -1337,13 +1391,13 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                data = (qbyte*) FS_LoadFile(litfilename, tempmempool, false);
                if (data)
                {
-                       if (fs_filesize == 8 + l->filelen * 3 && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
+                       if (fs_filesize == (fs_offset_t)(8 + l->filelen * 3) && data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T')
                        {
                                i = LittleLong(((int *)data)[1]);
                                if (i == 1)
                                {
                                        Con_DPrintf("loaded %s\n", litfilename);
-                                       loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
+                                       loadmodel->brushq1.lightdata = (qbyte *)Mem_Alloc(loadmodel->mempool, fs_filesize - 8);
                                        memcpy(loadmodel->brushq1.lightdata, data + 8, fs_filesize - 8);
                                        Mem_Free(data);
                                        return;
@@ -1366,7 +1420,7 @@ static void Mod_Q1BSP_LoadLighting(lump_t *l)
                // LordHavoc: oh well, expand the white lighting data
                if (!l->filelen)
                        return;
-               loadmodel->brushq1.lightdata = Mem_Alloc(loadmodel->mempool, l->filelen*3);
+               loadmodel->brushq1.lightdata = (qbyte *)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);
@@ -1406,7 +1460,7 @@ static void Mod_Q1BSP_LoadLightList(void)
                        s++;
                        numlights++;
                }
-               loadmodel->brushq1.lights = Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
+               loadmodel->brushq1.lights = (mlight_t *)Mem_Alloc(loadmodel->mempool, numlights * sizeof(mlight_t));
                s = lightsstring;
                n = 0;
                while (*s && n < numlights)
@@ -1449,7 +1503,7 @@ static void Mod_Q1BSP_LoadVisibility(lump_t *l)
        if (!l->filelen)
                return;
        loadmodel->brushq1.num_compressedpvs = l->filelen;
-       loadmodel->brushq1.data_compressedpvs = Mem_Alloc(loadmodel->mempool, l->filelen);
+       loadmodel->brushq1.data_compressedpvs = (qbyte *)Mem_Alloc(loadmodel->mempool, l->filelen);
        memcpy(loadmodel->brushq1.data_compressedpvs, mod_base + l->fileofs, l->filelen);
 }
 
@@ -1518,7 +1572,7 @@ static void Mod_Q1BSP_LoadEntities(lump_t *l)
        loadmodel->brush.entities = NULL;
        if (!l->filelen)
                return;
-       loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+       loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
        memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
        if (loadmodel->brush.ishlbsp)
                Mod_Q1BSP_ParseWadsFromEntityLump(loadmodel->brush.entities);
@@ -1531,11 +1585,11 @@ static void Mod_Q1BSP_LoadVertexes(lump_t *l)
        mvertex_t       *out;
        int                     i, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dvertex_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadVertexes: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       out = (mvertex_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brushq1.vertexes = out;
        loadmodel->brushq1.numvertexes = count;
@@ -1548,35 +1602,63 @@ static void Mod_Q1BSP_LoadVertexes(lump_t *l)
        }
 }
 
-static void Mod_Q1BSP_LoadSubmodels(lump_t *l)
+// The following two functions should be removed and MSG_* or SZ_* function sets adjusted so they
+// can be used for this
+// REMOVEME
+int SB_ReadInt (qbyte **buffer)
+{
+       int     i;
+       i = ((*buffer)[0]) + 256*((*buffer)[1]) + 65536*((*buffer)[2]) + 16777216*((*buffer)[3]);
+       (*buffer) += 4;
+       return i;
+}
+
+// REMOVEME
+float SB_ReadFloat (qbyte **buffer)
+{
+       union
+       {
+               int             i;
+               float   f;
+       } u;
+
+       u.i = SB_ReadInt (buffer);
+       return u.f;
+}
+
+static void Mod_Q1BSP_LoadSubmodels(lump_t *l, hullinfo_t *hullinfo)
 {
-       dmodel_t        *in;
+       qbyte           *index;
        dmodel_t        *out;
        int                     i, j, count;
 
-       in = (void *)(mod_base + l->fileofs);
-       if (l->filelen % sizeof(*in))
-               Host_Error("Mod_Q1BSP_LoadSubmodels: funny lump size in %s",loadmodel->name);
-       count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       index = (qbyte *)(mod_base + l->fileofs);
+       if (l->filelen % (48+4*hullinfo->filehulls))
+               Host_Error ("Mod_Q1BSP_LoadSubmodels: funny lump size in %s", loadmodel->name);
+
+       count = l->filelen / (48+4*hullinfo->filehulls);
+       out = (dmodel_t *)Mem_Alloc (loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brushq1.submodels = out;
        loadmodel->brush.numsubmodels = count;
 
-       for ( i=0 ; i<count ; i++, in++, out++)
-       {
-               for (j=0 ; j<3 ; j++)
-               {
-                       // spread the mins / maxs by a pixel
-                       out->mins[j] = LittleFloat(in->mins[j]) - 1;
-                       out->maxs[j] = LittleFloat(in->maxs[j]) + 1;
-                       out->origin[j] = LittleFloat(in->origin[j]);
-               }
-               for (j=0 ; j<MAX_MAP_HULLS ; j++)
-                       out->headnode[j] = LittleLong(in->headnode[j]);
-               out->visleafs = LittleLong(in->visleafs);
-               out->firstface = LittleLong(in->firstface);
-               out->numfaces = LittleLong(in->numfaces);
+       for (i = 0; i < count; i++, out++)
+       {
+       // spread out the mins / maxs by a pixel
+               out->mins[0] = SB_ReadFloat (&index) - 1;
+               out->mins[1] = SB_ReadFloat (&index) - 1;
+               out->mins[2] = SB_ReadFloat (&index) - 1;
+               out->maxs[0] = SB_ReadFloat (&index) + 1;
+               out->maxs[1] = SB_ReadFloat (&index) + 1;
+               out->maxs[2] = SB_ReadFloat (&index) + 1;
+               out->origin[0] = SB_ReadFloat (&index);
+               out->origin[1] = SB_ReadFloat (&index);
+               out->origin[2] = SB_ReadFloat (&index);
+               for (j = 0; j < hullinfo->filehulls; j++)
+                       out->headnode[j] = SB_ReadInt (&index);
+               out->visleafs = SB_ReadInt (&index);
+               out->firstface = SB_ReadInt (&index);
+               out->numfaces = SB_ReadInt (&index);
        }
 }
 
@@ -1586,11 +1668,11 @@ static void Mod_Q1BSP_LoadEdges(lump_t *l)
        medge_t *out;
        int     i, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dedge_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadEdges: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+       out = (medge_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq1.edges = out;
        loadmodel->brushq1.numedges = count;
@@ -1608,11 +1690,11 @@ static void Mod_Q1BSP_LoadTexinfo(lump_t *l)
        mtexinfo_t *out;
        int i, j, k, count, miptex;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (texinfo_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadTexinfo: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+       out = (mtexinfo_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq1.texinfo = out;
        loadmodel->brushq1.numtexinfo = count;
@@ -1809,18 +1891,18 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        int i, j, count, surfacenum, planenum, smax, tmax, ssize, tsize, firstedge, numedges, totalverts, totaltris;
        float texmins[2], texmaxs[2], val;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dface_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadFaces: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       loadmodel->data_surfaces = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
-       loadmodel->data_surfaces_lightmapinfo = Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
+       loadmodel->data_surfaces = (msurface_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_t));
+       loadmodel->data_surfaces_lightmapinfo = (msurface_lightmapinfo_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(msurface_lightmapinfo_t));
 
        loadmodel->num_surfaces = count;
 
        totalverts = 0;
        totaltris = 0;
-       for (surfacenum = 0, in = (void *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
+       for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs);surfacenum < count;surfacenum++, in++)
        {
                numedges = LittleShort(in->numedges);
                totalverts += numedges;
@@ -1830,12 +1912,12 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
        // TODO: split up into multiple meshes as needed to avoid exceeding 65536
        // vertex limit
        loadmodel->nummeshes = 1;
-       loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
-       loadmodel->meshlist[0] = Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, true, false, false);
+       loadmodel->meshlist = (surfmesh_t **)Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *));
+       loadmodel->meshlist[0] = Mod_AllocSurfMesh(loadmodel->mempool, totalverts, totaltris, true, false, false);
 
        totalverts = 0;
        totaltris = 0;
-       for (surfacenum = 0, in = (void *)(mod_base + l->fileofs), surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
+       for (surfacenum = 0, in = (dface_t *)(mod_base + l->fileofs), surface = loadmodel->data_surfaces;surfacenum < count;surfacenum++, in++, surface++)
        {
                surface->lightmapinfo = loadmodel->data_surfaces_lightmapinfo + surfacenum;
 
@@ -1880,8 +1962,6 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        t = DotProduct(((surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex) + i * 3), surface->lightmapinfo->texinfo->vecs[1]) + surface->lightmapinfo->texinfo->vecs[1][3];
                        (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s / surface->texture->width;
                        (surface->groupmesh->data_texcoordtexture2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t / surface->texture->height;
-                       (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 0] = s * (1.0f / 16.0f);
-                       (surface->groupmesh->data_texcoorddetail2f + 2 * surface->num_firstvertex)[i * 2 + 1] = t * (1.0f / 16.0f);
                        (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 0] = 0;
                        (surface->groupmesh->data_texcoordlightmap2f + 2 * surface->num_firstvertex)[i * 2 + 1] = 0;
                        (surface->groupmesh->data_lightmapoffsets + surface->num_firstvertex)[i] = 0;
@@ -1895,7 +1975,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                }
 
                // compile additional data about the surface geometry
-               Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, surface->groupmesh->data_vertex3f, surface->groupmesh->data_texcoordtexture2f, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f);
+               Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, surface->groupmesh->data_vertex3f, surface->groupmesh->data_texcoordtexture2f, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f, true);
                BoxFromPoints(surface->mins, surface->maxs, surface->num_vertices, (surface->groupmesh->data_vertex3f + 3 * surface->num_firstvertex));
 
                // generate surface extents information
@@ -1935,7 +2015,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        // give non-lightmapped water a 1x white lightmap
                        if ((surface->texture->basematerialflags & MATERIALFLAG_WATER) && (surface->lightmapinfo->texinfo->flags & TEX_SPECIAL) && ssize <= 256 && tsize <= 256)
                        {
-                               surface->lightmapinfo->samples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
+                               surface->lightmapinfo->samples = (qbyte *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
                                surface->lightmapinfo->styles[0] = 0;
                                memset(surface->lightmapinfo->samples, 128, ssize * tsize * 3);
                        }
@@ -1953,7 +2033,7 @@ static void Mod_Q1BSP_LoadFaces(lump_t *l)
                        if (ssize > 256 || tsize > 256)
                                Host_Error("Bad surface extents");
                        // stainmap for permanent marks on walls
-                       surface->lightmapinfo->stainsamples = Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
+                       surface->lightmapinfo->stainsamples = (qbyte *)Mem_Alloc(loadmodel->mempool, ssize * tsize * 3);
                        // clear to white
                        memset(surface->lightmapinfo->stainsamples, 255, ssize * tsize * 3);
 
@@ -2004,11 +2084,11 @@ static void Mod_Q1BSP_LoadNodes(lump_t *l)
        dnode_t         *in;
        mnode_t         *out;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dnode_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadNodes: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brush.data_nodes = out;
        loadmodel->brush.num_nodes = count;
@@ -2046,18 +2126,18 @@ static void Mod_Q1BSP_LoadLeafs(lump_t *l)
        mleaf_t *out;
        int i, j, count, p;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dleaf_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadLeafs: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brush.data_leafs = out;
        loadmodel->brush.num_leafs = count;
        // get visleafs from the submodel data
        loadmodel->brush.num_pvsclusters = loadmodel->brushq1.submodels[0].visleafs;
        loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters+7)>>3;
-       loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
+       loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
        memset(loadmodel->brush.data_pvsclusters, 0xFF, loadmodel->brush.num_pvsclusters * loadmodel->brush.num_pvsclusterbytes);
 
        for ( i=0 ; i<count ; i++, in++, out++)
@@ -2102,88 +2182,34 @@ static void Mod_Q1BSP_LoadLeafs(lump_t *l)
        }
 }
 
-static void Mod_Q1BSP_LoadClipnodes(lump_t *l)
+static void Mod_Q1BSP_LoadClipnodes(lump_t *l, hullinfo_t *hullinfo)
 {
        dclipnode_t *in, *out;
        int                     i, count;
        hull_t          *hull;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dclipnode_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadClipnodes: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
+       out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, count*sizeof(*out));
 
        loadmodel->brushq1.clipnodes = out;
        loadmodel->brushq1.numclipnodes = count;
 
-       if (loadmodel->brush.ishlbsp)
-       {
-               hull = &loadmodel->brushq1.hulls[1];
-               hull->clipnodes = out;
-               hull->firstclipnode = 0;
-               hull->lastclipnode = count-1;
-               hull->planes = loadmodel->brush.data_planes;
-               hull->clip_mins[0] = -16;
-               hull->clip_mins[1] = -16;
-               hull->clip_mins[2] = -36;
-               hull->clip_maxs[0] = 16;
-               hull->clip_maxs[1] = 16;
-               hull->clip_maxs[2] = 36;
-               VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-
-               hull = &loadmodel->brushq1.hulls[2];
-               hull->clipnodes = out;
-               hull->firstclipnode = 0;
-               hull->lastclipnode = count-1;
-               hull->planes = loadmodel->brush.data_planes;
-               hull->clip_mins[0] = -32;
-               hull->clip_mins[1] = -32;
-               hull->clip_mins[2] = -32;
-               hull->clip_maxs[0] = 32;
-               hull->clip_maxs[1] = 32;
-               hull->clip_maxs[2] = 32;
-               VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-
-               hull = &loadmodel->brushq1.hulls[3];
-               hull->clipnodes = out;
-               hull->firstclipnode = 0;
-               hull->lastclipnode = count-1;
-               hull->planes = loadmodel->brush.data_planes;
-               hull->clip_mins[0] = -16;
-               hull->clip_mins[1] = -16;
-               hull->clip_mins[2] = -18;
-               hull->clip_maxs[0] = 16;
-               hull->clip_maxs[1] = 16;
-               hull->clip_maxs[2] = 18;
-               VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-       }
-       else
+       for (i = 1; i < hullinfo->numhulls; i++)
        {
-               hull = &loadmodel->brushq1.hulls[1];
+               hull = &loadmodel->brushq1.hulls[i];
                hull->clipnodes = out;
                hull->firstclipnode = 0;
                hull->lastclipnode = count-1;
                hull->planes = loadmodel->brush.data_planes;
-               hull->clip_mins[0] = -16;
-               hull->clip_mins[1] = -16;
-               hull->clip_mins[2] = -24;
-               hull->clip_maxs[0] = 16;
-               hull->clip_maxs[1] = 16;
-               hull->clip_maxs[2] = 32;
-               VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
-
-               hull = &loadmodel->brushq1.hulls[2];
-               hull->clipnodes = out;
-               hull->firstclipnode = 0;
-               hull->lastclipnode = count-1;
-               hull->planes = loadmodel->brush.data_planes;
-               hull->clip_mins[0] = -32;
-               hull->clip_mins[1] = -32;
-               hull->clip_mins[2] = -24;
-               hull->clip_maxs[0] = 32;
-               hull->clip_maxs[1] = 32;
-               hull->clip_maxs[2] = 64;
+               hull->clip_mins[0] = hullinfo->hullsizes[i][0][0];
+               hull->clip_mins[1] = hullinfo->hullsizes[i][0][1];
+               hull->clip_mins[2] = hullinfo->hullsizes[i][0][2];
+               hull->clip_maxs[0] = hullinfo->hullsizes[i][1][0];
+               hull->clip_maxs[1] = hullinfo->hullsizes[i][1][1];
+               hull->clip_maxs[2] = hullinfo->hullsizes[i][1][2];
                VectorSubtract(hull->clip_maxs, hull->clip_mins, hull->clip_size);
        }
 
@@ -2208,7 +2234,7 @@ static void Mod_Q1BSP_MakeHull0(void)
        hull = &loadmodel->brushq1.hulls[0];
 
        in = loadmodel->brush.data_nodes;
-       out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
+       out = (dclipnode_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_nodes * sizeof(dclipnode_t));
 
        hull->clipnodes = out;
        hull->firstclipnode = 0;
@@ -2228,11 +2254,11 @@ static void Mod_Q1BSP_LoadLeaffaces(lump_t *l)
        int i, j;
        short *in;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (short *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadLeaffaces: funny lump size in %s",loadmodel->name);
        loadmodel->brush.num_leafsurfaces = l->filelen / sizeof(*in);
-       loadmodel->brush.data_leafsurfaces = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
+       loadmodel->brush.data_leafsurfaces = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_leafsurfaces * sizeof(int));
 
        for (i = 0;i < loadmodel->brush.num_leafsurfaces;i++)
        {
@@ -2248,11 +2274,11 @@ static void Mod_Q1BSP_LoadSurfedges(lump_t *l)
        int             i;
        int             *in;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (int *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadSurfedges: funny lump size in %s",loadmodel->name);
        loadmodel->brushq1.numsurfedges = l->filelen / sizeof(*in);
-       loadmodel->brushq1.surfedges = Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
+       loadmodel->brushq1.surfedges = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->brushq1.numsurfedges * sizeof(int));
 
        for (i = 0;i < loadmodel->brushq1.numsurfedges;i++)
                loadmodel->brushq1.surfedges[i] = LittleLong(in[i]);
@@ -2265,12 +2291,12 @@ static void Mod_Q1BSP_LoadPlanes(lump_t *l)
        mplane_t        *out;
        dplane_t        *in;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (dplane_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q1BSP_LoadPlanes: funny lump size in %s", loadmodel->name);
 
        loadmodel->brush.num_planes = l->filelen / sizeof(*in);
-       loadmodel->brush.data_planes = out = Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
+       loadmodel->brush.data_planes = out = (mplane_t *)Mem_Alloc(loadmodel->mempool, loadmodel->brush.num_planes * sizeof(*out));
 
        for (i = 0;i < loadmodel->brush.num_planes;i++, in++, out++)
        {
@@ -2402,7 +2428,7 @@ AllocPortal
 static portal_t *AllocPortal(void)
 {
        portal_t *p;
-       p = Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
+       p = (portal_t *)Mem_Alloc(loadmodel->mempool, sizeof(portal_t));
        p->chain = portalchain;
        portalchain = p;
        return p;
@@ -2487,9 +2513,9 @@ static void Mod_Q1BSP_FinalizePortals(void)
                }
                p = p->chain;
        }
-       loadmodel->brush.data_portals = Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
+       loadmodel->brush.data_portals = (mportal_t *)Mem_Alloc(loadmodel->mempool, numportals * sizeof(mportal_t) + numpoints * sizeof(mvertex_t));
        loadmodel->brush.num_portals = numportals;
-       loadmodel->brush.data_portalpoints = (void *)((qbyte *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
+       loadmodel->brush.data_portalpoints = (mvertex_t *)((qbyte *) loadmodel->brush.data_portals + numportals * sizeof(mportal_t));
        loadmodel->brush.num_portalpoints = numpoints;
        // clear all leaf portal chains
        for (i = 0;i < loadmodel->brush.num_leafs;i++)
@@ -2600,7 +2626,7 @@ static void RemovePortalFromNodes(portal_t *portal)
                portalpointer = (void **) &node->portals;
                while (1)
                {
-                       t = *portalpointer;
+                       t = (portal_t *)*portalpointer;
                        if (!t)
                                Host_Error("RemovePortalFromNodes: portal not in leaf");
 
@@ -2792,10 +2818,10 @@ static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *mod
        }
        if (!totalcount)
                return;
-       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_style = (qbyte *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(qbyte));
+       model->brushq1.light_stylevalue = (int *)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(int));
+       model->brushq1.light_styleupdatechains = (msurface_t ***)Mem_Alloc(mempool, model->brushq1.light_styles * sizeof(msurface_t **));
+       model->brushq1.light_styleupdatechainsbuffer = (msurface_t **)Mem_Alloc(mempool, totalcount * sizeof(msurface_t *));
        model->brushq1.light_styles = 0;
        for (i = 0;i < 255;i++)
                if (stylecounts[i])
@@ -2827,7 +2853,6 @@ static void Mod_Q1BSP_BuildLightmapUpdateChains(mempool_t *mempool, model_t *mod
 static qbyte *Mod_Q1BSP_GetPVS(model_t *model, const vec3_t p)
 {
        mnode_t *node;
-       Mod_CheckLoaded(model);
        node = model->brush.data_nodes;
        while (node->plane)
                node = node->children[(node->plane->type < 3 ? p[node->plane->type] : DotProduct(p,node->plane->normal)) < node->plane->dist];
@@ -2885,7 +2910,16 @@ static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, co
        const hull_t *hull;
 
        VectorSubtract(inmaxs, inmins, size);
-       if (cmodel->brush.ishlbsp)
+       if (cmodel->brush.ismcbsp)
+       {
+               if (size[0] < 3)
+                       hull = &cmodel->brushq1.hulls[0]; // 0x0x0
+               else if (size[2] < 48) // pick the nearest of 40 or 56
+                       hull = &cmodel->brushq1.hulls[2]; // 16x16x40
+               else
+                       hull = &cmodel->brushq1.hulls[1]; // 16x16x56
+       }
+       else if (cmodel->brush.ishlbsp)
        {
                if (size[0] < 3)
                        hull = &cmodel->brushq1.hulls[0]; // 0x0x0
@@ -2912,12 +2946,7 @@ static void Mod_Q1BSP_RoundUpToHullSize(model_t *cmodel, const vec3_t inmins, co
        VectorAdd(inmins, hull->clip_size, outmaxs);
 }
 
-extern void R_Q1BSP_DrawSky(entity_render_t *ent);
-extern void R_Q1BSP_Draw(entity_render_t *ent);
-extern void R_Q1BSP_GetLightInfo(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, vec3_t outmins, vec3_t outmaxs, int *outleaflist, qbyte *outleafpvs, int *outnumleafspointer, int *outsurfacelist, qbyte *outsurfacepvs, int *outnumsurfacespointer);
-extern void R_Q1BSP_DrawShadowVolume(entity_render_t *ent, vec3_t relativelightorigin, float lightradius, int numsurfaces, const int *surfacelist, const vec3_t lightmins, const vec3_t lightmaxs);
-extern void R_Q1BSP_DrawLight(entity_render_t *ent, float *lightcolor, int numsurfaces, const int *surfacelist);
-void Mod_Q1BSP_Load(model_t *mod, void *buffer)
+void Mod_Q1BSP_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i, j, k;
        dheader_t *header;
@@ -2926,15 +2955,93 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        float dist, modelyawradius, modelradius, *vec;
        msurface_t *surface;
        int numshadowmeshtriangles;
+       dheader_t _header;
+       hullinfo_t hullinfo;
 
        mod->type = mod_brushq1;
 
-       header = (dheader_t *)buffer;
+       if (!memcmp (buffer, "MCBSPpad", 8))
+       {
+               qbyte   *index;
+
+               mod->brush.ismcbsp = true;
+               mod->brush.ishlbsp = false;
 
-       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->brush.ishlbsp = i == 30;
+               mod_base = (qbyte*)buffer;
+
+               index = mod_base;
+               index += 8;
+               i = SB_ReadInt (&index);
+               if (i != MCBSPVERSION)
+                       Host_Error("Mod_Q1BSP_Load: %s has wrong version number(%i should be %i)", mod->name, i, MCBSPVERSION);
+
+       // read hull info
+               hullinfo.numhulls = LittleLong(*(int*)index); index += 4;
+               hullinfo.filehulls = hullinfo.numhulls;
+               VectorClear (hullinfo.hullsizes[0][0]);
+               VectorClear (hullinfo.hullsizes[0][1]);
+               for (i = 1; i < hullinfo.numhulls; i++)
+               {
+                       hullinfo.hullsizes[i][0][0] = SB_ReadFloat (&index);
+                       hullinfo.hullsizes[i][0][1] = SB_ReadFloat (&index);
+                       hullinfo.hullsizes[i][0][2] = SB_ReadFloat (&index);
+                       hullinfo.hullsizes[i][1][0] = SB_ReadFloat (&index);
+                       hullinfo.hullsizes[i][1][1] = SB_ReadFloat (&index);
+                       hullinfo.hullsizes[i][1][2] = SB_ReadFloat (&index);
+               }
+
+       // read lumps
+               _header.version = 0;
+               for (i = 0; i < HEADER_LUMPS; i++)
+               {
+                       _header.lumps[i].fileofs = SB_ReadInt (&index);
+                       _header.lumps[i].filelen = SB_ReadInt (&index);
+               }
+
+               header = &_header;
+       }
+       else
+       {
+               header = (dheader_t *)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->brush.ishlbsp = i == 30;
+               mod->brush.ismcbsp = false;
+
+       // fill in hull info
+               VectorClear (hullinfo.hullsizes[0][0]);
+               VectorClear (hullinfo.hullsizes[0][1]);
+               if (mod->brush.ishlbsp)
+               {
+                       hullinfo.numhulls = 4;
+                       hullinfo.filehulls = 4;
+                       VectorSet (hullinfo.hullsizes[1][0], -16, -16, -36);
+                       VectorSet (hullinfo.hullsizes[1][1], 16, 16, 36);
+                       VectorSet (hullinfo.hullsizes[2][0], -32, -32, -32);
+                       VectorSet (hullinfo.hullsizes[2][1], 32, 32, 32);
+                       VectorSet (hullinfo.hullsizes[3][0], -16, -16, -18);
+                       VectorSet (hullinfo.hullsizes[3][1], 16, 16, 18);
+               }
+               else
+               {
+                       hullinfo.numhulls = 3;
+                       hullinfo.filehulls = 4;
+                       VectorSet (hullinfo.hullsizes[1][0], -16, -16, -24);
+                       VectorSet (hullinfo.hullsizes[1][1], 16, 16, 32);
+                       VectorSet (hullinfo.hullsizes[2][0], -32, -32, -24);
+                       VectorSet (hullinfo.hullsizes[2][1], 32, 32, 64);
+               }
+
+       // read lumps
+               mod_base = (qbyte*)buffer;
+               for (i = 0; i < HEADER_LUMPS; i++)
+               {
+                       header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
+                       header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
+               }
+       }
 
        mod->soundfromcenter = true;
        mod->TraceBox = Mod_Q1BSP_TraceBox;
@@ -2945,6 +3052,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
        mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
        mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
+       mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
        mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
        mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
        mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
@@ -2952,16 +3060,9 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
 
        if (loadmodel->isworldmodel)
-               Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
-
-// swap all the lumps
-       mod_base = (qbyte *)header;
-
-       header->version = LittleLong(header->version);
-       for (i = 0;i < HEADER_LUMPS;i++)
        {
-               header->lumps[i].fileofs = LittleLong(header->lumps[i].fileofs);
-               header->lumps[i].filelen = LittleLong(header->lumps[i].filelen);
+               Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
        }
 
 // load into heap
@@ -2981,10 +3082,10 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        Mod_Q1BSP_LoadLeaffaces(&header->lumps[LUMP_MARKSURFACES]);
        Mod_Q1BSP_LoadVisibility(&header->lumps[LUMP_VISIBILITY]);
        // load submodels before leafs because they contain the number of vis leafs
-       Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS]);
+       Mod_Q1BSP_LoadSubmodels(&header->lumps[LUMP_MODELS], &hullinfo);
        Mod_Q1BSP_LoadLeafs(&header->lumps[LUMP_LEAFS]);
        Mod_Q1BSP_LoadNodes(&header->lumps[LUMP_NODES]);
-       Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES]);
+       Mod_Q1BSP_LoadClipnodes(&header->lumps[LUMP_CLIPNODES], &hullinfo);
 
        if (!mod->brushq1.lightdata)
                mod->brush.LightPoint = NULL;
@@ -3018,7 +3119,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        Mod_BuildTriangleNeighbors(loadmodel->brush.shadowmesh->neighbor3i, loadmodel->brush.shadowmesh->element3i, loadmodel->brush.shadowmesh->numtriangles);
 
        if (loadmodel->brush.numsubmodels)
-               loadmodel->brush.submodels = Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
+               loadmodel->brush.submodels = (model_t **)Mem_Alloc(loadmodel->mempool, loadmodel->brush.numsubmodels * sizeof(model_t *));
 
        if (loadmodel->isworldmodel)
        {
@@ -3085,7 +3186,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                mod->nummodelsurfaces = bm->numfaces;
 
                // make the model surface list (used by shadowing/lighting)
-               mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
+               mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
                for (j = 0;j < mod->nummodelsurfaces;j++)
                        mod->surfacelist[j] = mod->firstmodelsurface + j;
 
@@ -3093,6 +3194,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                mod->DrawSky = NULL;
                mod->Draw = R_Q1BSP_Draw;
                mod->GetLightInfo = R_Q1BSP_GetLightInfo;
+               mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
                mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
                mod->DrawLight = R_Q1BSP_DrawLight;
                if (i != 0)
@@ -3102,6 +3204,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                        mod->brush.BoxTouchingPVS = NULL;
                        mod->brush.BoxTouchingLeafPVS = NULL;
                        mod->brush.BoxTouchingVisibleLeafs = NULL;
+                       mod->brush.FindBoxClusters = NULL;
                        mod->brush.LightPoint = NULL;
                        mod->brush.AmbientSoundLevelsForPoint = NULL;
                }
@@ -3158,7 +3261,7 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        //Mod_Q1BSP_ProcessLightList();
 
        if (developer.integer)
-               Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brushq1.submodels[i].visleafs, loadmodel->brush.num_portals);
+               Con_Printf("Some stats for q1bsp model \"%s\": %i faces, %i nodes, %i leafs, %i visleafs, %i visleafportals\n", loadmodel->name, loadmodel->num_surfaces, loadmodel->brush.num_nodes, loadmodel->brush.num_leafs, mod->brush.num_pvsclusters, loadmodel->brush.num_portals);
 }
 
 static void Mod_Q2BSP_LoadEntities(lump_t *l)
@@ -3539,7 +3642,7 @@ static void Mod_Q2BSP_LoadModels(lump_t *l)
 */
 }
 
-void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
+void static Mod_Q2BSP_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i;
        q2dheader_t *header;
@@ -3554,8 +3657,12 @@ void static Mod_Q2BSP_Load(model_t *mod, void *buffer)
        if (i != Q2BSPVERSION)
                Host_Error("Mod_Q2BSP_Load: %s has wrong version number (%i, should be %i)", mod->name, i, Q2BSPVERSION);
        mod->brush.ishlbsp = false;
+       mod->brush.ismcbsp = false;
        if (loadmodel->isworldmodel)
+       {
                Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
+       }
 
        mod_base = (qbyte *)header;
 
@@ -3600,7 +3707,7 @@ static void Mod_Q3BSP_LoadEntities(lump_t *l)
        loadmodel->brushq3.num_lightgrid_cellsize[2] = 128;
        if (!l->filelen)
                return;
-       loadmodel->brush.entities = Mem_Alloc(loadmodel->mempool, l->filelen);
+       loadmodel->brush.entities = (char *)Mem_Alloc(loadmodel->mempool, l->filelen);
        memcpy(loadmodel->brush.entities, mod_base + l->fileofs, l->filelen);
        data = loadmodel->brush.entities;
        // some Q3 maps override the lightgrid_cellsize with a worldspawn key
@@ -3645,11 +3752,11 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
        char firstpasstexturename[Q3PATHLENGTH];
        char parameter[4][Q3PATHLENGTH];
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dtexture_t *)(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));
+       out = (texture_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->data_textures = out;
        loadmodel->num_textures = count;
@@ -3667,7 +3774,7 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
        {
                for (i = 0;i < search->numfilenames;i++)
                {
-                       if ((f = FS_LoadFile(search->filenames[i], tempmempool, false)))
+                       if ((f = (char *)FS_LoadFile(search->filenames[i], tempmempool, false)))
                        {
                                text = f;
                                while (COM_ParseToken(&text, false))
@@ -3710,9 +3817,9 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
                                                                                        Con_Printf(" %s", parameter[j]);
                                                                                Con_Print("\n");
                                                                        }
-                                                                       if (passnumber == 0 && numparameters >= 1 && (flags & Q3SURFACEPARM_TRANS))
+                                                                       if (passnumber == 0 && numparameters >= 1)
                                                                        {
-                                                                               if (!strcasecmp(parameter[0], "blendfunc"))
+                                                                               if (!strcasecmp(parameter[0], "blendfunc") && (flags & Q3SURFACEPARM_TRANS))
                                                                                {
                                                                                        if (numparameters == 2 && !strcasecmp(parameter[1], "add"))
                                                                                                flags2 |= Q3TEXTUREFLAG_ADDITIVE;
@@ -3861,7 +3968,12 @@ static void Mod_Q3BSP_LoadTextures(lump_t *l)
                                                                        out->basematerialflags |= MATERIALFLAG_WATER | MATERIALFLAG_WATERALPHA;
                                                                else
                                                                        out->basematerialflags |= MATERIALFLAG_WALL;
-                                                               if (out->surfaceparms & Q3SURFACEPARM_TRANS)
+                                                               if (out->textureflags & Q3TEXTUREFLAG_ALPHATEST)
+                                                               {
+                                                                       // FIXME: support alpha test?
+                                                                       out->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_TRANSPARENT;
+                                                               }
+                                                               else if (out->surfaceparms & Q3SURFACEPARM_TRANS)
                                                                {
                                                                        if (out->textureflags & Q3TEXTUREFLAG_ADDITIVE)
                                                                                out->basematerialflags |= MATERIALFLAG_ADD | MATERIALFLAG_TRANSPARENT;
@@ -3912,8 +4024,8 @@ parseerror:
                        //if (R_TextureHasAlpha(out->skin.base))
                        //      out->surfaceparms |= Q3SURFACEPARM_TRANS;
                }
-               if (!Mod_LoadSkinFrame(&out->skin, out->name, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, false, true))
-                       if (!Mod_LoadSkinFrame(&out->skin, out->firstpasstexturename, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, false, true))
+               if (!Mod_LoadSkinFrame(&out->skin, out->name, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, true))
+                       if (!Mod_LoadSkinFrame(&out->skin, out->firstpasstexturename, (((out->textureflags & Q3TEXTUREFLAG_NOMIPMAPS) || (out->surfaceparms & Q3SURFACEPARM_NOMIPMAPS)) ? 0 : TEXF_MIPMAP) | TEXF_ALPHA | TEXF_PRECACHE | (out->textureflags & Q3TEXTUREFLAG_NOPICMIP ? 0 : TEXF_PICMIP), false, true))
                                if (cls.state != ca_dedicated)
                                        Con_Printf("%s: texture loading for shader \"%s\" failed (first layer \"%s\" not found either)\n", loadmodel->name, out->name, out->firstpasstexturename);
                // no animation
@@ -3929,21 +4041,21 @@ static void Mod_Q3BSP_LoadPlanes(lump_t *l)
        mplane_t *out;
        int i, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dplane_t *)(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));
+       out = (mplane_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_planes = out;
        loadmodel->brush.num_planes = count;
 
        for (i = 0;i < count;i++, in++, out++)
        {
-               out->normal[0] = LittleLong(in->normal[0]);
-               out->normal[1] = LittleLong(in->normal[1]);
-               out->normal[2] = LittleLong(in->normal[2]);
-               out->dist = LittleLong(in->dist);
+               out->normal[0] = LittleFloat(in->normal[0]);
+               out->normal[1] = LittleFloat(in->normal[1]);
+               out->normal[2] = LittleFloat(in->normal[2]);
+               out->dist = LittleFloat(in->dist);
                PlaneClassify(out);
        }
 }
@@ -3954,11 +4066,11 @@ static void Mod_Q3BSP_LoadBrushSides(lump_t *l)
        q3mbrushside_t *out;
        int i, n, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dbrushside_t *)(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));
+       out = (q3mbrushside_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_brushsides = out;
        loadmodel->brush.num_brushsides = count;
@@ -3983,11 +4095,11 @@ static void Mod_Q3BSP_LoadBrushes(lump_t *l)
        int i, j, n, c, count, maxplanes;
        mplane_t *planes;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dbrush_t *)(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));
+       out = (q3mbrush_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_brushes = out;
        loadmodel->brush.num_brushes = count;
@@ -4014,7 +4126,7 @@ static void Mod_Q3BSP_LoadBrushes(lump_t *l)
                        maxplanes = out->numbrushsides;
                        if (planes)
                                Mem_Free(planes);
-                       planes = Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
+                       planes = (mplane_t *)Mem_Alloc(tempmempool, sizeof(mplane_t) * maxplanes);
                }
                for (j = 0;j < out->numbrushsides;j++)
                {
@@ -4034,11 +4146,11 @@ static void Mod_Q3BSP_LoadEffects(lump_t *l)
        q3deffect_t *out;
        int i, n, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3deffect_t *)(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));
+       out = (q3deffect_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq3.data_effects = out;
        loadmodel->brushq3.num_effects = count;
@@ -4047,8 +4159,11 @@ static void Mod_Q3BSP_LoadEffects(lump_t *l)
        {
                strlcpy (out->shadername, in->shadername, sizeof (out->shadername));
                n = LittleLong(in->brushindex);
-               if (n < 0 || n >= loadmodel->brush.num_brushes)
-                       Host_Error("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes)\n", n, loadmodel->brush.num_brushes);
+               if (n >= loadmodel->brush.num_brushes)
+               {
+                       Con_Printf("Mod_Q3BSP_LoadEffects: invalid brushindex %i (%i brushes), setting to -1\n", n, loadmodel->brush.num_brushes);
+                       n = -1;
+               }
                out->brushindex = n;
                out->unknown = LittleLong(in->unknown);
        }
@@ -4059,11 +4174,11 @@ static void Mod_Q3BSP_LoadVertices(lump_t *l)
        q3dvertex_t *in;
        int i, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dvertex_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q3BSP_LoadVertices: funny lump size in %s",loadmodel->name);
        loadmodel->brushq3.num_vertices = count = l->filelen / sizeof(*in);
-       loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 4)));
+       loadmodel->brushq3.data_vertex3f = (float *)Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 4)));
        loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
        loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
        loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
@@ -4091,11 +4206,11 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l)
        int *out;
        int i, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (int *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(int[3]))
                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));
+       out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq3.num_triangles = count / 3;
        loadmodel->brushq3.data_element3i = out;
@@ -4119,11 +4234,11 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
 
        if (!l->filelen)
                return;
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dlightmap_t *)(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));
+       out = (rtexture_t **)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq3.data_lightmaps = out;
        loadmodel->brushq3.num_lightmaps = count;
@@ -4149,11 +4264,11 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
        float *v;
        surfmesh_t *mesh, *tempmeshlist[1024];
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dface_t *)(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));
+       out = (msurface_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->data_surfaces = out;
        loadmodel->num_surfaces = count;
@@ -4283,7 +4398,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                i = oldi;
                in = oldin;
                out = oldout;
-               mesh = tempmeshlist[meshnum] = Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, false, true, false);
+               mesh = tempmeshlist[meshnum] = Mod_AllocSurfMesh(loadmodel->mempool, meshvertices, meshtriangles, false, true, false);
                meshvertices = 0;
                meshtriangles = 0;
                for (;i < count && meshvertices + out->num_vertices <= mesh->num_vertices;i++, in++, out++)
@@ -4386,8 +4501,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                                finalvertices = finalwidth * finalheight;
                                finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
 
-                               out->data_collisionvertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
-                               out->data_collisionelement3i = Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
+                               out->data_collisionvertex3f = (float *)Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * finalvertices);
+                               out->data_collisionelement3i = (int *)Mem_Alloc(loadmodel->mempool, sizeof(int[3]) * finaltriangles);
                                out->num_collisionvertices = finalvertices;
                                out->num_collisiontriangles = finaltriangles;
                                Q3PatchTesselateFloat(3, sizeof(float[3]), out->data_collisionvertex3f, patchsize[0], patchsize[1], sizeof(float[3]), originalvertex3f, xtess, ytess);
@@ -4422,7 +4537,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                                Con_Print("\n");
                        }
                        // for per pixel lighting
-                       Mod_BuildTextureVectorsAndNormals(out->num_firstvertex, out->num_vertices, out->num_triangles, out->groupmesh->data_vertex3f, out->groupmesh->data_texcoordtexture2f, (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), out->groupmesh->data_svector3f, out->groupmesh->data_tvector3f, out->groupmesh->data_normal3f);
+                       Mod_BuildTextureVectorsAndNormals(out->num_firstvertex, out->num_vertices, out->num_triangles, out->groupmesh->data_vertex3f, out->groupmesh->data_texcoordtexture2f, (out->groupmesh->data_element3i + 3 * out->num_firsttriangle), out->groupmesh->data_svector3f, out->groupmesh->data_tvector3f, out->groupmesh->data_normal3f, true);
                        // calculate a bounding box
                        VectorClear(out->mins);
                        VectorClear(out->maxs);
@@ -4458,7 +4573,7 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
        loadmodel->nummeshes = meshnum;
        if (loadmodel->nummeshes)
        {
-               loadmodel->meshlist = Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *) * loadmodel->nummeshes);
+               loadmodel->meshlist = (surfmesh_t **)Mem_Alloc(loadmodel->mempool, sizeof(surfmesh_t *) * loadmodel->nummeshes);
                memcpy(loadmodel->meshlist, tempmeshlist, sizeof(surfmesh_t *) * loadmodel->nummeshes);
        }
 
@@ -4481,11 +4596,11 @@ static void Mod_Q3BSP_LoadModels(lump_t *l)
        q3dmodel_t *out;
        int i, j, n, c, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dmodel_t *)(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));
+       out = (q3dmodel_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brushq3.data_models = out;
        loadmodel->brushq3.num_models = count;
@@ -4518,11 +4633,11 @@ static void Mod_Q3BSP_LoadLeafBrushes(lump_t *l)
        int *out;
        int i, n, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (int *)(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));
+       out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_leafbrushes = out;
        loadmodel->brush.num_leafbrushes = count;
@@ -4542,11 +4657,11 @@ static void Mod_Q3BSP_LoadLeafFaces(lump_t *l)
        int *out;
        int i, n, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (int *)(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));
+       out = (int *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_leafsurfaces = out;
        loadmodel->brush.num_leafsurfaces = count;
@@ -4566,11 +4681,11 @@ static void Mod_Q3BSP_LoadLeafs(lump_t *l)
        mleaf_t *out;
        int i, j, n, c, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dleaf_t *)(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));
+       out = (mleaf_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_leafs = out;
        loadmodel->brush.num_leafs = count;
@@ -4608,11 +4723,11 @@ static void Mod_Q3BSP_LoadNodes(lump_t *l)
        mnode_t *out;
        int i, j, n, count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dnode_t *)(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));
+       out = (mnode_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
 
        loadmodel->brush.data_nodes = out;
        loadmodel->brush.num_nodes = count;
@@ -4659,7 +4774,7 @@ static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
        q3dlightgrid_t *out;
        int count;
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dlightgrid_t *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q3BSP_LoadLightGrid: funny lump size in %s",loadmodel->name);
        loadmodel->brushq3.num_lightgrid_scale[0] = 1.0f / loadmodel->brushq3.num_lightgrid_cellsize[0];
@@ -4675,40 +4790,22 @@ static void Mod_Q3BSP_LoadLightGrid(lump_t *l)
        loadmodel->brushq3.num_lightgrid_isize[1] = loadmodel->brushq3.num_lightgrid_imaxs[1] - loadmodel->brushq3.num_lightgrid_imins[1] + 1;
        loadmodel->brushq3.num_lightgrid_isize[2] = loadmodel->brushq3.num_lightgrid_imaxs[2] - loadmodel->brushq3.num_lightgrid_imins[2] + 1;
        count = loadmodel->brushq3.num_lightgrid_isize[0] * loadmodel->brushq3.num_lightgrid_isize[1] * loadmodel->brushq3.num_lightgrid_isize[2];
+       Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
+       Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
+
+       // if lump is empty there is nothing to load, we can deal with that in the LightPoint code
        if (l->filelen)
        {
                if (l->filelen < count * (int)sizeof(*in))
                        Host_Error("Mod_Q3BSP_LoadLightGrid: invalid lightgrid lump size %i bytes, should be %i bytes (%ix%ix%i)\n", l->filelen, count * sizeof(*in), loadmodel->brushq3.num_lightgrid_dimensions[0], loadmodel->brushq3.num_lightgrid_dimensions[1], loadmodel->brushq3.num_lightgrid_dimensions[2]);
                if (l->filelen != count * (int)sizeof(*in))
                        Con_Printf("Mod_Q3BSP_LoadLightGrid: Warning: calculated lightgrid size %i bytes does not match lump size %i\n", count * sizeof(*in), l->filelen);
-       }
-
-       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
-       loadmodel->brushq3.data_lightgrid = out;
-       loadmodel->brushq3.num_lightgrid = count;
-
-       // no swapping or validation necessary
-       if (l->filelen)
+               out = (q3dlightgrid_t *)Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+               loadmodel->brushq3.data_lightgrid = out;
+               loadmodel->brushq3.num_lightgrid = count;
+               // no swapping or validation necessary
                memcpy(out, in, count * (int)sizeof(*out));
-       else
-       {
-               // no data, fill with white
-               int i;
-               for (i = 0;i < count;i++)
-               {
-                       out[i].ambientrgb[0] = 128;
-                       out[i].ambientrgb[1] = 128;
-                       out[i].ambientrgb[2] = 128;
-                       out[i].diffusergb[0] = 0;
-                       out[i].diffusergb[1] = 0;
-                       out[i].diffusergb[2] = 0;
-                       out[i].diffusepitch = 0;
-                       out[i].diffuseyaw = 0;
-               }
        }
-
-       Matrix4x4_CreateScale3(&loadmodel->brushq3.num_lightgrid_indexfromworld, loadmodel->brushq3.num_lightgrid_scale[0], loadmodel->brushq3.num_lightgrid_scale[1], loadmodel->brushq3.num_lightgrid_scale[2]);
-       Matrix4x4_ConcatTranslate(&loadmodel->brushq3.num_lightgrid_indexfromworld, -loadmodel->brushq3.num_lightgrid_imins[0] * loadmodel->brushq3.num_lightgrid_cellsize[0], -loadmodel->brushq3.num_lightgrid_imins[1] * loadmodel->brushq3.num_lightgrid_cellsize[1], -loadmodel->brushq3.num_lightgrid_imins[2] * loadmodel->brushq3.num_lightgrid_cellsize[2]);
 }
 
 static void Mod_Q3BSP_LoadPVS(lump_t *l)
@@ -4728,12 +4825,12 @@ static void Mod_Q3BSP_LoadPVS(lump_t *l)
                // create clusters
                loadmodel->brush.num_pvsclusterbytes = (loadmodel->brush.num_pvsclusters + 7) / 8;
                totalchains = loadmodel->brush.num_pvsclusterbytes * loadmodel->brush.num_pvsclusters;
-               loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+               loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
                memset(loadmodel->brush.data_pvsclusters, 0xFF, totalchains);
                return;
        }
 
-       in = (void *)(mod_base + l->fileofs);
+       in = (q3dpvs_t *)(mod_base + l->fileofs);
        if (l->filelen < 9)
                Host_Error("Mod_Q3BSP_LoadPVS: funny lump size in %s",loadmodel->name);
 
@@ -4745,7 +4842,7 @@ static void Mod_Q3BSP_LoadPVS(lump_t *l)
        if (l->filelen < totalchains + (int)sizeof(*in))
                Host_Error("Mod_Q3BSP_LoadPVS: lump too small ((numclusters = %i) * (chainlength = %i) + sizeof(q3dpvs_t) == %i bytes, lump is %i bytes)\n", loadmodel->brush.num_pvsclusters, loadmodel->brush.num_pvsclusterbytes, totalchains + sizeof(*in), l->filelen);
 
-       loadmodel->brush.data_pvsclusters = Mem_Alloc(loadmodel->mempool, totalchains);
+       loadmodel->brush.data_pvsclusters = (unsigned char *)Mem_Alloc(loadmodel->mempool, totalchains);
        memcpy(loadmodel->brush.data_pvsclusters, (qbyte *)(in + 1), totalchains);
 }
 
@@ -4754,7 +4851,6 @@ static void Mod_Q3BSP_LightPoint(model_t *model, const vec3_t p, vec3_t ambientc
        int i, j, k, index[3];
        float transformed[3], blend1, blend2, blend, yaw, pitch, sinpitch;
        q3dlightgrid_t *a, *s;
-       // FIXME: write this
        if (!model->brushq3.num_lightgrid)
        {
                ambientcolor[0] = 1;
@@ -5426,7 +5522,7 @@ void Mod_Q3BSP_RecursiveFindNumLeafs(mnode_t *node)
                loadmodel->brush.num_leafs = numleafs;
 }
 
-void Mod_Q3BSP_Load(model_t *mod, void *buffer)
+void Mod_Q3BSP_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i, j, numshadowmeshtriangles;
        q3dheader_t *header;
@@ -5442,8 +5538,13 @@ void Mod_Q3BSP_Load(model_t *mod, void *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 (mod->isworldmodel)
-               Cvar_SetValue("halflifebsp", false);
+       mod->brush.ishlbsp = false;
+       mod->brush.ismcbsp = false;
+       if (loadmodel->isworldmodel)
+       {
+               Cvar_SetValue("halflifebsp", mod->brush.ishlbsp);
+               Cvar_SetValue("mcbsp", mod->brush.ismcbsp);
+       }
 
        mod->soundfromcenter = true;
        mod->TraceBox = Mod_Q3BSP_TraceBox;
@@ -5454,11 +5555,13 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
        mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
        mod->brush.BoxTouchingLeafPVS = Mod_Q1BSP_BoxTouchingLeafPVS;
        mod->brush.BoxTouchingVisibleLeafs = Mod_Q1BSP_BoxTouchingVisibleLeafs;
+       mod->brush.FindBoxClusters = Mod_Q1BSP_FindBoxClusters;
        mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
        mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
        mod->brush.PointInLeaf = Mod_Q1BSP_PointInLeaf;
        mod->Draw = R_Q1BSP_Draw;
        mod->GetLightInfo = R_Q1BSP_GetLightInfo;
+       mod->CompileShadowVolume = R_Q1BSP_CompileShadowVolume;
        mod->DrawShadowVolume = R_Q1BSP_DrawShadowVolume;
        mod->DrawLight = R_Q1BSP_DrawLight;
 
@@ -5544,6 +5647,7 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
                        mod->brush.BoxTouchingPVS = NULL;
                        mod->brush.BoxTouchingLeafPVS = NULL;
                        mod->brush.BoxTouchingVisibleLeafs = NULL;
+                       mod->brush.FindBoxClusters = NULL;
                        mod->brush.LightPoint = NULL;
                        mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
                }
@@ -5554,7 +5658,7 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
                mod->nummodelsurfaces = mod->brushq3.data_models[i].numfaces;
                mod->firstmodelbrush = mod->brushq3.data_models[i].firstbrush;
                mod->nummodelbrushes = mod->brushq3.data_models[i].numbrushes;
-               mod->surfacelist = Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
+               mod->surfacelist = (int *)Mem_Alloc(loadmodel->mempool, mod->nummodelsurfaces * sizeof(*mod->surfacelist));
                for (j = 0;j < mod->nummodelsurfaces;j++)
                        mod->surfacelist[j] = mod->firstmodelsurface + j;
 
@@ -5582,18 +5686,18 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
        }
 }
 
-void Mod_IBSP_Load(model_t *mod, void *buffer)
+void Mod_IBSP_Load(model_t *mod, void *buffer, void *bufferend)
 {
        int i = LittleLong(((int *)buffer)[1]);
        if (i == Q3BSPVERSION)
-               Mod_Q3BSP_Load(mod,buffer);
+               Mod_Q3BSP_Load(mod,buffer, bufferend);
        else if (i == Q2BSPVERSION)
-               Mod_Q2BSP_Load(mod,buffer);
+               Mod_Q2BSP_Load(mod,buffer, bufferend);
        else
                Host_Error("Mod_IBSP_Load: unknown/unsupported version %i\n", i);
 }
 
-void Mod_MAP_Load(model_t *mod, void *buffer)
+void Mod_MAP_Load(model_t *mod, void *buffer, void *bufferend)
 {
        Host_Error("Mod_MAP_Load: not yet implemented\n");
 }