]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_brush.c
handle one error condition I forgot to code in PF_setattachment (modelindex was check...
[xonotic/darkplaces.git] / model_brush.c
index 52c6fb5888c87a2f2f90794ac6e8679e775f8af0..e927d009b90d0442b4029699aee9cbe15d91da46 100644 (file)
@@ -509,7 +509,7 @@ loc0:
        return HULLCHECKSTATE_DONE;
 }
 
-static void Mod_Q1BSP_TraceBox(struct model_s *model, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
+static void Mod_Q1BSP_TraceBox(struct model_s *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
 {
        // this function currently only supports same size start and end
        double boxsize[3];
@@ -701,7 +701,7 @@ static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *
        {
                if (in == inend)
                {
-                       Con_Printf("Mod_Q1BSP_DecompressVis: input underrun\n");
+                       Con_DPrintf("Mod_Q1BSP_DecompressVis: input underrun on model \"%s\"\n", loadmodel->name);
                        return;
                }
                c = *in++;
@@ -713,7 +713,7 @@ static void Mod_Q1BSP_DecompressVis(const qbyte *in, const qbyte *inend, qbyte *
                        {
                                if (out == outend)
                                {
-                                       Con_Printf("Mod_Q1BSP_DecompressVis: output overrun\n");
+                                       Con_DPrintf("Mod_Q1BSP_DecompressVis: output overrun on model \"%s\"\n", loadmodel->name);
                                        return;
                                }
                                *out++ = 0;
@@ -2660,6 +2660,8 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
                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->soundfromcenter = true;
+       mod->TraceBox = Mod_Q1BSP_TraceBox;
        mod->brush.SuperContentsFromNativeContents = Mod_Q1BSP_SuperContentsFromNativeContents;
        mod->brush.NativeContentsFromSuperContents = Mod_Q1BSP_NativeContentsFromSuperContents;
        mod->brush.GetPVS = Mod_Q1BSP_GetPVS;
@@ -2667,7 +2669,6 @@ void Mod_Q1BSP_Load(model_t *mod, void *buffer)
        mod->brush.BoxTouchingPVS = Mod_Q1BSP_BoxTouchingPVS;
        mod->brush.LightPoint = Mod_Q1BSP_LightPoint;
        mod->brush.FindNonSolidLocation = Mod_Q1BSP_FindNonSolidLocation;
-       mod->brush.TraceBox = Mod_Q1BSP_TraceBox;
        mod->brush.AmbientSoundLevelsForPoint = Mod_Q1BSP_AmbientSoundLevelsForPoint;
        mod->brush.RoundUpToHullSize = Mod_Q1BSP_RoundUpToHullSize;
        mod->brushq1.PointInLeaf = Mod_Q1BSP_PointInLeaf;
@@ -3389,6 +3390,7 @@ static void Mod_Q3BSP_LoadBrushes(lump_t *l)
        q3mbrush_t *out;
        int i, j, n, c, count, maxplanes;
        mplane_t *planes;
+       winding_t *temp1, *temp2;
 
        in = (void *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
@@ -3399,6 +3401,9 @@ static void Mod_Q3BSP_LoadBrushes(lump_t *l)
        loadmodel->brushq3.data_brushes = out;
        loadmodel->brushq3.num_brushes = count;
 
+       temp1 = Winding_New(64);
+       temp2 = Winding_New(64);
+
        maxplanes = 0;
        planes = NULL;
 
@@ -3429,10 +3434,12 @@ static void Mod_Q3BSP_LoadBrushes(lump_t *l)
                        planes[j].dist = out->firstbrushside[j].plane->dist;
                }
                // make the colbrush from the planes
-               out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents);
+               out->colbrushf = Collision_NewBrushFromPlanes(loadmodel->mempool, out->numbrushsides, planes, out->texture->supercontents, temp1, temp2);
        }
        if (planes)
                Mem_Free(planes);
+       Winding_Free(temp1);
+       Winding_Free(temp2);
 }
 
 static void Mod_Q3BSP_LoadEffects(lump_t *l)
@@ -3470,13 +3477,13 @@ static void Mod_Q3BSP_LoadVertices(lump_t *l)
        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]));
-       loadmodel->brushq3.data_texcoordtexture2f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[2]));
-       loadmodel->brushq3.data_texcoordlightmap2f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[2]));
-       loadmodel->brushq3.data_svector3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
-       loadmodel->brushq3.data_tvector3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
-       loadmodel->brushq3.data_normal3f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[3]));
-       loadmodel->brushq3.data_color4f = Mem_Alloc(loadmodel->mempool, count * sizeof(float[4]));
+       loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, count * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)));
+       loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + count * 3;
+       loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + count * 2;
+       loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + count * 2;
+       loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + count * 3;
+       loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + count * 3;
+       loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + count * 3;
 
        for (i = 0;i < count;i++, in++)
        {
@@ -3514,11 +3521,11 @@ static void Mod_Q3BSP_LoadTriangles(lump_t *l)
        if (l->filelen % sizeof(int[3]))
                Host_Error("Mod_Q3BSP_LoadTriangles: funny lump size in %s",loadmodel->name);
        count = l->filelen / sizeof(*in);
-       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+       out = Mem_Alloc(loadmodel->mempool, count * sizeof(*out) * 2);
 
        loadmodel->brushq3.num_triangles = count / 3;
        loadmodel->brushq3.data_element3i = out;
-       loadmodel->brushq3.data_neighbor3i = Mem_Alloc(loadmodel->mempool, count * sizeof(*out));
+       loadmodel->brushq3.data_neighbor3i = out + count;
 
        for (i = 0;i < count;i++, in++, out++)
        {
@@ -3537,6 +3544,8 @@ static void Mod_Q3BSP_LoadLightmaps(lump_t *l)
        rtexture_t **out;
        int i, count;
 
+       if (!l->filelen)
+               return;
        in = (void *)(mod_base + l->fileofs);
        if (l->filelen % sizeof(*in))
                Host_Error("Mod_Q3BSP_LoadLightmaps: funny lump size in %s",loadmodel->name);
@@ -3585,6 +3594,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                 && out->type != Q3FACETYPE_FLARE)
                {
                        Con_Printf("Mod_Q3BSP_LoadFaces: face #%i: unknown face type %i\n", i, out->type);
+                       out->num_vertices = 0;
+                       out->num_triangles = 0;
                        out->type = 0; // error
                        continue;
                }
@@ -3593,6 +3604,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                if (n < 0 || n >= loadmodel->brushq3.num_textures)
                {
                        Con_Printf("Mod_Q3BSP_LoadFaces: face #%i: invalid textureindex %i (%i textures)\n", i, n, loadmodel->brushq3.num_textures);
+                       out->num_vertices = 0;
+                       out->num_triangles = 0;
                        out->type = 0; // error
                        continue;
                        n = 0;
@@ -3626,35 +3639,41 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                if (out->num_triangles * 3 != LittleLong(in->numelements))
                {
                        Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): numelements %i is not a multiple of 3\n", i, out->texture->name, LittleLong(in->numelements));
+                       out->num_vertices = 0;
+                       out->num_triangles = 0;
                        out->type = 0; // error
                        continue;
                }
                if (out->firstvertex < 0 || out->firstvertex + out->num_vertices > loadmodel->brushq3.num_vertices)
                {
                        Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid vertex range %i : %i (%i vertices)\n", i, out->texture->name, out->firstvertex, out->firstvertex + out->num_vertices, loadmodel->brushq3.num_vertices);
+                       out->num_vertices = 0;
+                       out->num_triangles = 0;
                        out->type = 0; // error
                        continue;
                }
                if (out->firstelement < 0 || out->firstelement + out->num_triangles * 3 > loadmodel->brushq3.num_triangles * 3)
                {
                        Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid element range %i : %i (%i elements)\n", i, out->texture->name, out->firstelement, out->firstelement + out->num_triangles * 3, loadmodel->brushq3.num_triangles * 3);
+                       out->num_vertices = 0;
+                       out->num_triangles = 0;
                        out->type = 0; // error
                        continue;
                }
-               out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
-               out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
-               out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
-               out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
-               out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
-               out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
-               out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
-               out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
-               out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
                switch(out->type)
                {
                case Q3FACETYPE_POLYGON:
                case Q3FACETYPE_MESH:
                        // no processing necessary
+                       out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+                       out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+                       out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+                       out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+                       out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+                       out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+                       out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+                       out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+                       out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
                        break;
                case Q3FACETYPE_PATCH:
                        patchsize[0] = LittleLong(in->specific.patch.patchsize[0]);
@@ -3662,6 +3681,8 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        if (patchsize[0] < 1 || patchsize[1] < 1)
                        {
                                Con_Printf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): invalid patchsize %ix%i\n", i, out->texture->name, patchsize[0], patchsize[1]);
+                               out->num_vertices = 0;
+                               out->num_triangles = 0;
                                out->type = 0; // error
                                continue;
                        }
@@ -3672,6 +3693,16 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        finalheight = ((patchsize[1] - 1) << ylevel) + 1;
                        finalvertices = finalwidth * finalheight;
                        finaltriangles = (finalwidth - 1) * (finalheight - 1) * 2;
+                       originalvertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+                       //originalsvector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+                       //originaltvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+                       //originalnormal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+                       originaltexcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+                       originaltexcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+                       originalcolor4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+                       //originalelement3i = loadmodel->brushq3.data_element3i + out->firstelement;
+                       //originalneighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+                       /*
                        originalvertex3f = out->data_vertex3f;
                        //originalsvector3f = out->data_svector3f;
                        //originaltvector3f = out->data_tvector3f;
@@ -3681,14 +3712,15 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        originaltexcoordlightmap2f = out->data_texcoordlightmap2f;
                        //originalelement3i = out->data_element3i;
                        //originalneighbor3i = out->data_neighbor3i;
-                       out->data_vertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[20]) * finalvertices + sizeof(int[6]) * finaltriangles);
+                       */
+                       out->data_vertex3f = Mem_Alloc(loadmodel->mempool, sizeof(float[20]) * finalvertices);
                        out->data_svector3f = out->data_vertex3f + finalvertices * 3;
                        out->data_tvector3f = out->data_svector3f + finalvertices * 3;
                        out->data_normal3f = out->data_tvector3f + finalvertices * 3;
                        out->data_color4f = out->data_normal3f + finalvertices * 3;
                        out->data_texcoordtexture2f = out->data_color4f + finalvertices * 4;
                        out->data_texcoordlightmap2f = out->data_texcoordtexture2f + finalvertices * 2;
-                       out->data_element3i = (int *)(out->data_texcoordlightmap2f + finalvertices * 2);
+                       out->data_element3i = Mem_Alloc(loadmodel->mempool, sizeof(int[6]) * finaltriangles);
                        out->data_neighbor3i = out->data_element3i + finaltriangles * 3;
                        out->type = Q3FACETYPE_MESH;
                        out->firstvertex = -1;
@@ -3733,7 +3765,9 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                case Q3FACETYPE_FLARE:
                        Con_DPrintf("Mod_Q3BSP_LoadFaces: face #%i (texture \"%s\"): Q3FACETYPE_FLARE not supported (yet)\n", i, out->texture->name);
                        // don't render it
+                       out->num_vertices = 0;
                        out->num_triangles = 0;
+                       out->type = 0;
                        break;
                }
                for (j = 0, invalidelements = 0;j < out->num_triangles * 3;j++)
@@ -3778,6 +3812,95 @@ static void Mod_Q3BSP_LoadFaces(lump_t *l)
                        out->maxs[2] += 1.0f;
                }
        }
+
+       // LordHavoc: experimental array merger (disabled because it wastes time and uses 2x memory while merging)
+       /*
+       {
+       int totalverts, totaltris;
+       int originalnum_vertices;
+       float *originaldata_vertex3f;
+       float *originaldata_texcoordtexture2f;
+       float *originaldata_texcoordlightmap2f;
+       float *originaldata_svector3f;
+       float *originaldata_tvector3f;
+       float *originaldata_normal3f;
+       float *originaldata_color4f;
+       int originalnum_triangles;
+       int *originaldata_element3i;
+       int *originaldata_neighbor3i;
+
+       totalverts = 0;
+       totaltris = 0;
+       for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
+       {
+               if (!out->type)
+                       continue;
+               totalverts += out->num_vertices;
+               totaltris += out->num_triangles;
+       }
+
+       originalnum_vertices = loadmodel->brushq3.num_vertices;
+       originaldata_vertex3f = loadmodel->brushq3.data_vertex3f;
+       originaldata_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f;
+       originaldata_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f;
+       originaldata_svector3f = loadmodel->brushq3.data_svector3f;
+       originaldata_tvector3f = loadmodel->brushq3.data_tvector3f;
+       originaldata_normal3f = loadmodel->brushq3.data_normal3f;
+       originaldata_color4f = loadmodel->brushq3.data_color4f;
+       originalnum_triangles = loadmodel->brushq3.num_triangles;
+       originaldata_element3i = loadmodel->brushq3.data_element3i;
+       originaldata_neighbor3i = loadmodel->brushq3.data_neighbor3i;
+       loadmodel->brushq3.num_vertices = totalverts;
+       loadmodel->brushq3.data_vertex3f = Mem_Alloc(loadmodel->mempool, totalverts * (sizeof(float) * (3 + 2 + 2 + 3 + 3 + 3 + 4)) + totaltris * (sizeof(int) * (3 * 2)));
+       loadmodel->brushq3.data_texcoordtexture2f = loadmodel->brushq3.data_vertex3f + totalverts * 3;
+       loadmodel->brushq3.data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2;
+       loadmodel->brushq3.data_svector3f = loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2;
+       loadmodel->brushq3.data_tvector3f = loadmodel->brushq3.data_svector3f + totalverts * 3;
+       loadmodel->brushq3.data_normal3f = loadmodel->brushq3.data_tvector3f + totalverts * 3;
+       loadmodel->brushq3.data_color4f = loadmodel->brushq3.data_normal3f + totalverts * 3;
+       loadmodel->brushq3.num_triangles = totaltris;
+       loadmodel->brushq3.data_element3i = (int *)(loadmodel->brushq3.data_color4f + totalverts * 4);
+       loadmodel->brushq3.data_neighbor3i = loadmodel->brushq3.data_element3i + totaltris * 3;
+       totalverts = 0;
+       totaltris = 0;
+       for (i = 0, out = loadmodel->brushq3.data_faces;i < count;i++, out++)
+       {
+               if (!out->type)
+                       continue;
+               Con_Printf("totalverts %i, totaltris %i\n", totalverts, totaltris);
+               memcpy(loadmodel->brushq3.data_vertex3f + totalverts * 3, out->data_vertex3f, out->num_vertices * 3 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_texcoordtexture2f + totalverts * 2, out->data_texcoordtexture2f, out->num_vertices * 2 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_texcoordlightmap2f + totalverts * 2, out->data_texcoordlightmap2f, out->num_vertices * 2 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_svector3f + totalverts * 3, out->data_svector3f, out->num_vertices * 3 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_tvector3f + totalverts * 3, out->data_tvector3f, out->num_vertices * 3 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_normal3f + totalverts * 3, out->data_normal3f, out->num_vertices * 3 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_color4f + totalverts * 4, out->data_color4f, out->num_vertices * 4 * sizeof(float));
+               memcpy(loadmodel->brushq3.data_element3i + totaltris * 3, out->data_element3i, out->num_triangles * 3 * sizeof(int));
+               memcpy(loadmodel->brushq3.data_neighbor3i + totaltris * 3, out->data_neighbor3i, out->num_triangles * 3 * sizeof(int));
+               if (out->firstvertex == -1)
+                       Mem_Free(out->data_vertex3f);
+               if (out->firstelement == -1)
+                       Mem_Free(out->data_element3i);
+               out->firstvertex = totalverts;
+               out->data_vertex3f = loadmodel->brushq3.data_vertex3f + out->firstvertex * 3;
+               out->data_texcoordtexture2f = loadmodel->brushq3.data_texcoordtexture2f + out->firstvertex * 2;
+               out->data_texcoordlightmap2f = loadmodel->brushq3.data_texcoordlightmap2f + out->firstvertex * 2;
+               out->data_svector3f = loadmodel->brushq3.data_svector3f + out->firstvertex * 3;
+               out->data_tvector3f = loadmodel->brushq3.data_tvector3f + out->firstvertex * 3;
+               out->data_normal3f = loadmodel->brushq3.data_normal3f + out->firstvertex * 3;
+               out->data_color4f = loadmodel->brushq3.data_color4f + out->firstvertex * 4;
+               out->firstelement = totaltris * 3;
+               out->data_element3i = loadmodel->brushq3.data_element3i + out->firstelement;
+               out->data_neighbor3i = loadmodel->brushq3.data_neighbor3i + out->firstelement;
+               //for (j = 0;j < out->numtriangles * 3;j++)
+               //      out->data_element3i[j] += totalverts - out->firstvertex;
+               totalverts += out->num_vertices;
+               totaltris += out->num_triangles;
+       }
+       Mem_Free(originaldata_vertex3f);
+       Mem_Free(originaldata_element3i);
+       }
+       */
 }
 
 static void Mod_Q3BSP_LoadModels(lump_t *l)
@@ -4255,7 +4378,7 @@ static void Mod_Q3BSP_TraceBrush_RecursiveBSPNode(trace_t *trace, q3mnode_t *nod
        }
 }
 
-static void Mod_Q3BSP_TraceBox(model_t *model, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
+static void Mod_Q3BSP_TraceBox(model_t *model, int frame, trace_t *trace, const vec3_t boxstartmins, const vec3_t boxstartmaxs, const vec3_t boxendmins, const vec3_t boxendmaxs, int hitsupercontentsmask)
 {
        int i;
        float segmentmins[3], segmentmaxs[3];
@@ -4441,13 +4564,13 @@ static int Mod_Q3BSP_NativeContentsFromSuperContents(model_t *model, int superco
        return nativecontents;
 }
 
-//extern void R_Q3BSP_DrawSky(struct entity_render_s *ent);
+extern void R_Q3BSP_DrawSky(struct entity_render_s *ent);
 extern void R_Q3BSP_Draw(struct entity_render_s *ent);
 extern void R_Q3BSP_DrawShadowVolume(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius);
 extern void R_Q3BSP_DrawLight(struct entity_render_s *ent, vec3_t relativelightorigin, vec3_t relativeeyeorigin, float lightradius, float *lightcolor, const matrix4x4_t *matrix_modeltofilter, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz);
 void Mod_Q3BSP_Load(model_t *mod, void *buffer)
 {
-       int i;
+       int i, j;
        q3dheader_t *header;
        float corner[3], yawradius, modelradius;
 
@@ -4467,6 +4590,8 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
                R_ResetQuakeSky();
        }
 
+       mod->soundfromcenter = true;
+       mod->TraceBox = Mod_Q3BSP_TraceBox;
        mod->brush.SuperContentsFromNativeContents = Mod_Q3BSP_SuperContentsFromNativeContents;
        mod->brush.NativeContentsFromSuperContents = Mod_Q3BSP_NativeContentsFromSuperContents;
        mod->brush.GetPVS = Mod_Q3BSP_GetPVS;
@@ -4474,7 +4599,6 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
        mod->brush.BoxTouchingPVS = Mod_Q3BSP_BoxTouchingPVS;
        mod->brush.LightPoint = Mod_Q3BSP_LightPoint;
        mod->brush.FindNonSolidLocation = Mod_Q3BSP_FindNonSolidLocation;
-       mod->brush.TraceBox = Mod_Q3BSP_TraceBox;
        //mod->DrawSky = R_Q3BSP_DrawSky;
        mod->Draw = R_Q3BSP_Draw;
        mod->DrawShadowVolume = R_Q3BSP_DrawShadowVolume;
@@ -4543,6 +4667,12 @@ void Mod_Q3BSP_Load(model_t *mod, void *buffer)
                mod->yawmaxs[2] = mod->normalmaxs[2];
                mod->radius = modelradius;
                mod->radius2 = modelradius * modelradius;
+
+               for (j = 0;j < mod->brushq3.data_thismodel->numfaces;j++)
+                       if (mod->brushq3.data_thismodel->firstface[j].texture->renderflags & Q3MTEXTURERENDERFLAGS_SKY)
+                               break;
+               if (j < mod->brushq3.data_thismodel->numfaces)
+                       mod->DrawSky = R_Q3BSP_DrawSky;
        }
 }