]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_alias.c
reworked iqm model loader to copy all data into allocated memory blocks
[xonotic/darkplaces.git] / model_alias.c
index f394a71b7af8b93022504f795df2fa10ecaf81c6..1dda79708f71d46f6d3eadcb6baa66daa7e3a00d 100644 (file)
@@ -74,55 +74,6 @@ void Mod_Skeletal_AnimateVertices(const dp_model_t * RESTRICT model, const frame
        Mod_Skeletal_AnimateVertices_Generic(model, frameblend, skeleton, vertex3f, normal3f, svector3f, tvector3f);
 }
 
-#ifdef SSE_POSSIBLE
-#ifndef SSE_PRESENT
-// code from SDL, shortened as we can expect CPUID to work
-static int CPUID_Features(void)
-{
-       int features = 0;
-# if defined(__GNUC__) && defined(__i386__)
-        __asm__ (
-"        movl    %%ebx,%%edi\n"
-"        xorl    %%eax,%%eax                                           \n"
-"        incl    %%eax                                                 \n"
-"        cpuid                       # Get family/model/stepping/features\n"
-"        movl    %%edx,%0                                              \n"
-"        movl    %%edi,%%ebx\n"
-        : "=m" (features)
-        :
-        : "%eax", "%ecx", "%edx", "%edi"
-        );
-# elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
-        __asm {
-        xor     eax, eax
-        inc     eax
-        cpuid                       ; Get family/model/stepping/features
-        mov     features, edx
-        }
-# else
-#  error SSE_POSSIBLE set but no CPUID implementation
-# endif
-       return features;
-}
-#endif
-static qboolean Have_SSE(void)
-{
-       // COMMANDLINEOPTION: SSE: -nosse disables SSE support and detection
-       if(COM_CheckParm("-nosse"))
-               return false;
-       // COMMANDLINEOPTION: SSE: -forcesse enables SSE support and disables detection
-#ifdef SSE_PRESENT
-       return true;
-#else
-       if(COM_CheckParm("-forcesse"))
-               return true;
-       if(CPUID_Features() & (1 << 25))
-               return true;
-       return false;
-#endif
-}
-#endif
-
 void Mod_AliasInit (void)
 {
        int i;
@@ -136,16 +87,14 @@ void Mod_AliasInit (void)
        for (i = 0;i < 320;i++)
                mod_md3_sin[i] = sin(i * M_PI * 2.0f / 256.0);
 #ifdef SSE_POSSIBLE
+       if(Sys_HaveSSE())
        {
-               if(Have_SSE())
-               {
-                       Con_Printf("Skeletal animation uses SSE code path\n");
-                       r_skeletal_use_sse_defined = true;
-                       Cvar_RegisterVariable(&r_skeletal_use_sse);
-               }
-               else
-                       Con_Printf("Skeletal animation uses generic code path (SSE disabled or not detected)\n");
+               Con_Printf("Skeletal animation uses SSE code path\n");
+               r_skeletal_use_sse_defined = true;
+               Cvar_RegisterVariable(&r_skeletal_use_sse);
        }
+       else
+               Con_Printf("Skeletal animation uses generic code path (SSE disabled or not detected)\n");
 #else
        Con_Printf("Skeletal animation uses generic code path (SSE not compiled in)\n");
 #endif
@@ -251,7 +200,7 @@ void Mod_MD3_AnimateVertices(const dp_model_t * RESTRICT model, const frameblend
                }
                // the yaw and pitch stored in md3 models are 8bit quantized angles
                // (0-255), and as such a lookup table is very well suited to
-               // decoding them, and since cosine is equivilant to sine with an
+               // decoding them, and since cosine is equivalent to sine with an
                // extra 45 degree rotation, this uses one lookup table for both
                // sine and cosine with a +64 bias to get cosine.
                if (normal3f)
@@ -836,7 +785,7 @@ static void Mod_BuildAliasSkinFromSkinFrame(texture_t *texture, skinframe_t *ski
        if (texture->currentskinframe->hasalpha)
                texture->basematerialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
        texture->currentmaterialflags = texture->basematerialflags;
-       texture->offsetmapping = OFFSETMAPPING_OFF;
+       texture->offsetmapping = OFFSETMAPPING_DEFAULT;
        texture->offsetscale = 1;
        texture->specularscalemod = 1;
        texture->specularpowermod = 1;
@@ -851,6 +800,8 @@ void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, con
        int i;
        static char stripbuf[MAX_QPATH];
        skinfileitem_t *skinfileitem;
+       if(developer_extra.integer)
+               Con_DPrintf("Looking up texture for %s (default: %s)\n", meshname, shadername);
        if (skinfile)
        {
                // the skin += loadmodel->num_surfaces part of this is because data_textures on alias models is arranged as [numskins][numsurfaces]
@@ -864,6 +815,8 @@ void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, con
                                if (!strcmp(skinfileitem->name, meshname))
                                {
                                        Image_StripImageExtension(skinfileitem->replacement, stripbuf, sizeof(stripbuf));
+                                       if(developer_extra.integer)
+                                               Con_DPrintf("--> got %s from skin file\n", stripbuf);
                                        Mod_LoadTextureFromQ3Shader(skin, stripbuf, true, true, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP | TEXF_COMPRESS);
                                        break;
                                }
@@ -872,12 +825,16 @@ void Mod_BuildAliasSkinsFromSkinFiles(texture_t *skin, skinfile_t *skinfile, con
                        {
                                // don't render unmentioned meshes
                                Mod_BuildAliasSkinFromSkinFrame(skin, NULL);
+                               if(developer_extra.integer)
+                                       Con_DPrintf("--> skipping\n");
                                skin->basematerialflags = skin->currentmaterialflags = MATERIALFLAG_NOSHADOW | MATERIALFLAG_NODRAW;
                        }
                }
        }
        else
        {
+               if(developer_extra.integer)
+                       Con_DPrintf("--> using default\n");
                Image_StripImageExtension(shadername, stripbuf, sizeof(stripbuf));
                Mod_LoadTextureFromQ3Shader(skin, stripbuf, true, true, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PICMIP | TEXF_COMPRESS);
        }
@@ -1096,9 +1053,13 @@ void Mod_IDP0_Load(dp_model_t *mod, void *buffer, void *bufferend)
 // load the frames
        loadmodel->animscenes = (animscene_t *)Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numframes);
        loadmodel->surfmesh.data_morphmdlvertex = (trivertx_t *)Mem_Alloc(loadmodel->mempool, sizeof(trivertx_t) * loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices);
-       loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_triangles * sizeof(int[3]));
+       }
        Mod_MDL_LoadFrames (startframes, numverts, vertremap);
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
        Mod_Alias_CalculateBoundingBox();
        Mod_Alias_MorphMesh_CompileFrames();
 
@@ -1315,14 +1276,17 @@ void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend)
 
        loadmodel->num_surfaces = 1;
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->numframes * sizeof(animscene_t) + loadmodel->numframes * sizeof(float[6]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->numframes * sizeof(animscene_t) + loadmodel->numframes * sizeof(float[6]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + (r_enableshadowvolumes.integer ? loadmodel->surfmesh.num_triangles * sizeof(int[3]) : 0));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->sortedmodelsurfaces[0] = 0;
        loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
        loadmodel->surfmesh.data_morphmd2framesize6f = (float *)data;data += loadmodel->numframes * sizeof(float[6]);
        loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
+       }
 
        loadmodel->synctype = ST_RAND;
 
@@ -1466,7 +1430,8 @@ void Mod_IDP2_Load(dp_model_t *mod, void *buffer, void *bufferend)
 
        Mem_Free(vertremap);
 
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
        Mod_Alias_CalculateBoundingBox();
        Mod_Alias_MorphMesh_CompileFrames();
 
@@ -1592,7 +1557,7 @@ void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[2]) + meshvertices * loadmodel->numframes * sizeof(md3vertex_t));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (r_enableshadowvolumes.integer ? meshtriangles * sizeof(int[3]) : 0) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[2]) + meshvertices * loadmodel->numframes * sizeof(md3vertex_t));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
@@ -1601,11 +1566,16 @@ void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_morphframes = loadmodel->numframes; // TODO: remove?
        loadmodel->num_poses = loadmodel->surfmesh.num_morphframes;
        loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       }
        loadmodel->surfmesh.data_texcoordtexture2f = (float *)data;data += meshvertices * sizeof(float[2]);
        loadmodel->surfmesh.data_morphmd3vertex = (md3vertex_t *)data;data += meshvertices * loadmodel->numframes * sizeof(md3vertex_t);
        if (meshvertices <= 65536)
+       {
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += meshtriangles * sizeof(unsigned short[3]);
+       }
 
        meshvertices = 0;
        meshtriangles = 0;
@@ -1651,7 +1621,8 @@ void Mod_IDP3_Load(dp_model_t *mod, void *buffer, void *bufferend)
        if (loadmodel->surfmesh.data_element3s)
                for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
                        loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
        Mod_Alias_MorphMesh_CompileFrames();
        Mod_Alias_CalculateBoundingBox();
        Mod_FreeSkinFiles(skinfiles);
@@ -1849,14 +1820,17 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces;
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (r_enableshadowvolumes.integer ? meshtriangles * sizeof(int[3]) : 0) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshvertices * sizeof(float[14]) + meshvertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
        loadmodel->surfmesh.num_vertices = meshvertices;
        loadmodel->surfmesh.num_triangles = meshtriangles;
        loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       }
        loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
@@ -1866,7 +1840,9 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_blends = 0;
        loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (loadmodel->surfmesh.num_vertices <= 65536)
+       {
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]);
+       }
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
        loadmodel->surfmesh.data_blendweights = NULL;
 
@@ -2027,9 +2003,10 @@ void Mod_ZYMOTICMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                        loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
        Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
        Mod_BuildBaseBonePoses();
-       Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
-       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
+       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 
@@ -2154,14 +2131,17 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
        // do most allocations as one merged chunk
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(unsigned short)) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + (r_enableshadowvolumes.integer ? meshtriangles * sizeof(int[3]) : 0) + meshvertices * (sizeof(float[14]) + sizeof(unsigned short)) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
        loadmodel->surfmesh.num_vertices = meshvertices;
        loadmodel->surfmesh.num_triangles = meshtriangles;
        loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       }
        loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
@@ -2174,7 +2154,9 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_blends = 0;
        loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (meshvertices <= 65536)
+       {
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += meshtriangles * sizeof(unsigned short[3]);
+       }
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
        loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, meshvertices * sizeof(blendweights_t));
 
@@ -2379,8 +2361,9 @@ void Mod_DARKPLACESMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
                        loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
        Mod_BuildBaseBonePoses();
-       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
 
@@ -2791,13 +2774,16 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_vertices = meshvertices;
        loadmodel->surfmesh.num_triangles = meshtriangles;
        // do most allocations as one merged chunk
-       size = loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[2]) + loadmodel->surfmesh.num_vertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t) + ((loadmodel->surfmesh.num_vertices <= 65536) ? (loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3])) : 0);
+       size = loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + loadmodel->surfmesh.num_triangles * sizeof(int[3]) + (r_enableshadowvolumes.integer ? loadmodel->surfmesh.num_triangles * sizeof(int[3]) : 0)  + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[3]) + loadmodel->surfmesh.num_vertices * sizeof(float[2]) + loadmodel->surfmesh.num_vertices * sizeof(unsigned short) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t) + ((loadmodel->surfmesh.num_vertices <= 65536) ? (loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3])) : 0);
        data = (unsigned char *)Mem_Alloc(loadmodel->mempool, size);
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
        loadmodel->surfmesh.data_element3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += loadmodel->surfmesh.num_triangles * sizeof(int[3]);
+       }
        loadmodel->surfmesh.data_vertex3f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
        loadmodel->surfmesh.data_svector3f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
@@ -2810,7 +2796,9 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->surfmesh.num_blends = 0;
        loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
        if (loadmodel->surfmesh.num_vertices <= 65536)
+       {
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += loadmodel->surfmesh.num_triangles * sizeof(unsigned short[3]);
+       }
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
        loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * sizeof(blendweights_t));
 
@@ -2959,9 +2947,10 @@ void Mod_PSKMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                        loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
        Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, loadmodel->surfmesh.num_vertices, __FILE__, __LINE__);
        Mod_BuildBaseBonePoses();
-       Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
-       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
-       Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
+       Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
+       Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
+       if (loadmodel->surfmesh.data_neighbor3i)
+               Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
        Mod_Alias_CalculateBoundingBox();
 
        loadmodel->surfmesh.isanimated = loadmodel->numframes > 1 || loadmodel->animscenes[0].framecount > 1;
@@ -2981,31 +2970,45 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
 {
        unsigned char *data;
        const char *text;
-       unsigned char *pbase, *pend;
-       iqmheader_t *header;
+       const unsigned char *pbase, *pend;
+       iqmheader_t lheader, *header = &lheader;
        skinfile_t *skinfiles;
        int i, j, k, meshvertices, meshtriangles;
-       float *vposition = NULL, *vtexcoord = NULL, *vnormal = NULL, *vtangent = NULL;
-       unsigned char *vblendindexes = NULL, *vblendweights = NULL;
-       iqmjoint_t *joint;
-       iqmanim_t *anim;
-       iqmpose_t *pose;
-       iqmmesh_t *mesh;
-       iqmbounds_t *bounds;
-       iqmvertexarray_t *va;
-       unsigned short *framedata;
        float biggestorigin;
        const int *inelements;
        int *outelements;
        float *outvertex, *outnormal, *outtexcoord, *outsvector, *outtvector;
+       // temporary memory allocations (because the data in the file may be misaligned)
+       float *vnormal = NULL;
+       float *vposition = NULL;
+       float *vtangent = NULL;
+       float *vtexcoord = NULL;
+       iqmanim_t *anim = NULL;
+       iqmbounds_t *bounds = NULL;
+       iqmjoint1_t *joint1 = NULL;
+       iqmjoint_t *joint = NULL;
+       iqmmesh_t *mesh = NULL;
+       iqmpose1_t *pose1 = NULL;
+       iqmpose_t *pose = NULL;
+       iqmvertexarray_t *va = NULL;
+       unsigned char *vblendindexes = NULL;
+       unsigned char *vblendweights = NULL;
+       unsigned short *framedata = NULL;
 
        pbase = (unsigned char *)buffer;
        pend = (unsigned char *)bufferend;
-       header = (iqmheader_t *)buffer;
+
+       if (buffer + sizeof(iqmheader_t) > bufferend)
+               Host_Error ("Mod_INTERQUAKEMODEL_Load: %s is not an Inter-Quake Model", loadmodel->name);
+
+       // copy struct (otherwise it may be misaligned)
+       // LordHavoc: okay it's definitely not misaligned here, but for consistency...
+       memcpy(header, pbase, sizeof(header));
+
        if (memcmp(header->id, "INTERQUAKEMODEL", 16))
                Host_Error ("Mod_INTERQUAKEMODEL_Load: %s is not an Inter-Quake Model", loadmodel->name);
-       if (LittleLong(header->version) != 1)
-               Host_Error ("Mod_INTERQUAKEMODEL_Load: only version 1 models are currently supported (name = %s)", loadmodel->name);
+       if (LittleLong(header->version) != 1 && LittleLong(header->version) != 2)
+               Host_Error ("Mod_INTERQUAKEMODEL_Load: only version 1 and 2 models are currently supported (name = %s)", loadmodel->name);
 
        loadmodel->modeldatatypestring = "IQM";
 
@@ -3046,19 +3049,30 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                Con_Printf("%s has no geometry\n", loadmodel->name);
                return;
        }
-       if (header->num_frames < 1 || header->num_anims < 1)
+
+       if (header->version == 1)
        {
-               Con_Printf("%s has no animations\n", loadmodel->name);
-               return;
+               if (pbase + header->ofs_joints + header->num_joints*sizeof(iqmjoint1_t) > pend ||
+                       pbase + header->ofs_poses + header->num_poses*sizeof(iqmpose1_t) > pend)
+               {
+                       Con_Printf("%s has invalid size or offset information\n", loadmodel->name);
+                       return;
+               }
+       }
+       else
+       {
+               if (pbase + header->ofs_joints + header->num_joints*sizeof(iqmjoint_t) > pend ||
+                       pbase + header->ofs_poses + header->num_poses*sizeof(iqmpose_t) > pend)
+               {
+                       Con_Printf("%s has invalid size or offset information\n", loadmodel->name);
+                       return;
+               }
        }
-
        if (pbase + header->ofs_text + header->num_text > pend ||
                pbase + header->ofs_meshes + header->num_meshes*sizeof(iqmmesh_t) > pend ||
                pbase + header->ofs_vertexarrays + header->num_vertexarrays*sizeof(iqmvertexarray_t) > pend ||
                pbase + header->ofs_triangles + header->num_triangles*sizeof(int[3]) > pend ||
                (header->ofs_neighbors && pbase + header->ofs_neighbors + header->num_triangles*sizeof(int[3]) > pend) ||
-               pbase + header->ofs_joints + header->num_joints*sizeof(iqmjoint_t) > pend ||
-               pbase + header->ofs_poses + header->num_poses*sizeof(iqmpose_t) > pend ||
                pbase + header->ofs_anims + header->num_anims*sizeof(iqmanim_t) > pend ||
                pbase + header->ofs_frames + header->num_frames*header->num_framechannels*sizeof(unsigned short) > pend ||
                (header->ofs_bounds && pbase + header->ofs_bounds + header->num_frames*sizeof(iqmbounds_t) > pend) ||
@@ -3068,7 +3082,63 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                return;
        }
 
-       va = (iqmvertexarray_t *)(pbase + header->ofs_vertexarrays);
+       // copy structs to make them aligned in memory (otherwise we crash on Sparc and PowerPC and others)
+       if (header->num_vertexarrays)
+       {
+               va = (iqmvertexarray_t *)Mem_Alloc(loadmodel->mempool, header->num_vertexarrays * sizeof(iqmvertexarray_t));
+               memcpy(va, pbase + header->ofs_vertexarrays, header->num_vertexarrays * sizeof(iqmvertexarray_t));
+       }
+       if (header->version == 1)
+       {
+               if (loadmodel->num_bones)
+               {
+                       joint1 = (iqmjoint1_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(iqmjoint1_t));
+                       memcpy(joint1, pbase + header->ofs_joints, loadmodel->num_bones * sizeof(iqmjoint1_t));
+               }
+               if (header->num_poses)
+               {
+                       pose1 = (iqmpose1_t *)Mem_Alloc(loadmodel->mempool, header->num_poses * sizeof(iqmpose1_t));
+                       memcpy(pose1, pbase + header->ofs_poses, header->num_poses * sizeof(iqmpose1_t));
+               }
+       }
+       else
+       {
+               if (loadmodel->num_bones)
+               {
+                       joint = (iqmjoint_t *)Mem_Alloc(loadmodel->mempool, loadmodel->num_bones * sizeof(iqmjoint_t));
+                       memcpy(joint, pbase + header->ofs_joints, loadmodel->num_bones * sizeof(iqmjoint_t));
+               }
+               if (header->num_poses)
+               {
+                       pose = (iqmpose_t *)Mem_Alloc(loadmodel->mempool, header->num_poses * sizeof(iqmpose_t));
+                       memcpy(pose, pbase + header->ofs_poses, header->num_poses * sizeof(iqmpose_t));
+               }
+       }
+       if (header->num_anims)
+       {
+               anim = (iqmanim_t *)Mem_Alloc(loadmodel->mempool, header->num_anims * sizeof(iqmanim_t));
+               memcpy(anim, pbase + header->ofs_anims, header->num_anims * sizeof(iqmanim_t));
+       }
+       if (header->num_framechannels)
+       {
+               framedata = (unsigned short *)Mem_Alloc(loadmodel->mempool, sizeof(unsigned short) * header->num_framechannels);
+               memcpy(framedata, pbase + header->ofs_frames, sizeof(unsigned short) * header->num_framechannels);
+       }
+       if (header->ofs_bounds)
+       {
+               bounds = (iqmbounds_t *)Mem_Alloc(loadmodel->mempool, header->num_frames*sizeof(iqmbounds_t));
+               memcpy(bounds, pbase + header->ofs_bounds, header->num_frames*sizeof(iqmbounds_t));
+       }
+       if (header->num_triangles)
+               memcpy(loadmodel->surfmesh.data_element3i, pbase + header->ofs_triangles, sizeof(unsigned int[3]) * header->num_triangles);
+       if (header->ofs_neighbors && loadmodel->surfmesh.data_neighbor3i)
+               memcpy(loadmodel->surfmesh.data_neighbor3i, pbase + header->ofs_neighbors, sizeof(int[3]) * header->num_triangles);
+       if (header->num_meshes)
+       {
+               mesh = Mem_Alloc(loadmodel->mempool, header->num_meshes * sizeof(iqmmesh_t));
+               memcpy(mesh, pbase + header->ofs_meshes, header->num_meshes * sizeof(iqmmesh_t));
+       }
+
        for (i = 0;i < (int)header->num_vertexarrays;i++)
        {
                size_t vsize;
@@ -3090,31 +3160,49 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                {
                case IQM_POSITION:
                        if (va[i].format == IQM_FLOAT && va[i].size == 3)
-                               vposition = (float *)(pbase + va[i].offset);
+                       {
+                               vposition = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * header->num_vertexes);
+                               memcpy(vposition, pbase + va[i].offset, sizeof(float[3]) * header->num_vertexes);
+                       }
                        break;
                case IQM_TEXCOORD:
                        if (va[i].format == IQM_FLOAT && va[i].size == 2)
-                               vtexcoord = (float *)(pbase + va[i].offset);
+                       {
+                               vtexcoord = Mem_Alloc(loadmodel->mempool, sizeof(float[2]) * header->num_vertexes);
+                               memcpy(vtexcoord, pbase + va[i].offset, sizeof(float[2]) * header->num_vertexes);
+                       }
                        break;
                case IQM_NORMAL:
                        if (va[i].format == IQM_FLOAT && va[i].size == 3)
-                               vnormal = (float *)(pbase + va[i].offset);
+                       {
+                               vnormal = Mem_Alloc(loadmodel->mempool, sizeof(float[3]) * header->num_vertexes);
+                               memcpy(vnormal, pbase + va[i].offset, sizeof(float[3]) * header->num_vertexes);
+                       }
                        break;
                case IQM_TANGENT:
                        if (va[i].format == IQM_FLOAT && va[i].size == 4)
-                               vtangent = (float *)(pbase + va[i].offset);
+                       {
+                               vtangent = Mem_Alloc(loadmodel->mempool, sizeof(float[4]) * header->num_vertexes);
+                               memcpy(vtangent, pbase + va[i].offset, sizeof(float[4]) * header->num_vertexes);
+                       }
                        break;
                case IQM_BLENDINDEXES:
                        if (va[i].format == IQM_UBYTE && va[i].size == 4)
-                               vblendindexes = (unsigned char *)(pbase + va[i].offset);
+                       {
+                               vblendindexes = Mem_Alloc(loadmodel->mempool, sizeof(unsigned char[4]) * header->num_vertexes);
+                               memcpy(vblendindexes, pbase + va[i].offset, sizeof(unsigned char[4]) * header->num_vertexes);
+                       }
                        break;
                case IQM_BLENDWEIGHTS:
                        if (va[i].format == IQM_UBYTE && va[i].size == 4)
-                               vblendweights = (unsigned char *)(pbase + va[i].offset);
+                       {
+                               vblendweights = Mem_Alloc(loadmodel->mempool, sizeof(unsigned char[4]) * header->num_vertexes);
+                               memcpy(vblendweights, pbase + va[i].offset, sizeof(unsigned char[4]) * header->num_vertexes);
+                       }
                        break;
                }
        }
-       if (!vposition || !vtexcoord || !vblendindexes || !vblendweights)
+       if (header->num_vertexes > 0 && (!vposition || !vtexcoord || ((header->num_frames > 0 || header->num_anims > 0) && (!vblendindexes || !vblendweights))))
        {
                Con_Printf("%s is missing vertex array data\n", loadmodel->name);
                return;
@@ -3143,9 +3231,9 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        if (loadmodel->numskins < 1)
                loadmodel->numskins = 1;
 
-       loadmodel->numframes = header->num_anims;
+       loadmodel->numframes = max(header->num_anims, 1);
        loadmodel->num_bones = header->num_joints;
-       loadmodel->num_poses = header->num_frames;
+       loadmodel->num_poses = max(header->num_frames, 1);
        loadmodel->nummodelsurfaces = loadmodel->num_surfaces = header->num_meshes;
        loadmodel->num_textures = loadmodel->num_surfaces * loadmodel->numskins;
        loadmodel->num_texturesperskin = loadmodel->num_surfaces;
@@ -3154,14 +3242,17 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        meshtriangles = header->num_triangles;
 
        // do most allocations as one merged chunk
-       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + meshtriangles * sizeof(int[3]) + meshvertices * (sizeof(float[14]) + sizeof(unsigned short)) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
+       data = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->num_surfaces * sizeof(msurface_t) + loadmodel->num_surfaces * sizeof(int) + loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t) + meshtriangles * sizeof(int[3]) + (meshvertices <= 65536 ? meshtriangles * sizeof(unsigned short[3]) : 0) + (r_enableshadowvolumes.integer ? meshtriangles * sizeof(int[3]) : 0) + meshvertices * sizeof(float[14]) + (vblendindexes && vblendweights ? meshvertices * sizeof(unsigned short) : 0) + loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]) + loadmodel->num_bones * sizeof(float[12]) + loadmodel->numskins * sizeof(animscene_t) + loadmodel->num_bones * sizeof(aliasbone_t) + loadmodel->numframes * sizeof(animscene_t));
        loadmodel->data_surfaces = (msurface_t *)data;data += loadmodel->num_surfaces * sizeof(msurface_t);
        loadmodel->sortedmodelsurfaces = (int *)data;data += loadmodel->num_surfaces * sizeof(int);
        loadmodel->data_textures = (texture_t *)data;data += loadmodel->num_surfaces * loadmodel->numskins * sizeof(texture_t);
        loadmodel->surfmesh.num_vertices = meshvertices;
        loadmodel->surfmesh.num_triangles = meshtriangles;
        loadmodel->surfmesh.data_element3i = (int *)data;data += meshtriangles * sizeof(int[3]);
-       loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       if (r_enableshadowvolumes.integer)
+       {
+               loadmodel->surfmesh.data_neighbor3i = (int *)data;data += meshtriangles * sizeof(int[3]);
+       }
        loadmodel->surfmesh.data_vertex3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_svector3f = (float *)data;data += meshvertices * sizeof(float[3]);
        loadmodel->surfmesh.data_tvector3f = (float *)data;data += meshvertices * sizeof(float[3]);
@@ -3171,12 +3262,18 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        loadmodel->skinscenes = (animscene_t *)data;data += loadmodel->numskins * sizeof(animscene_t);
        loadmodel->data_bones = (aliasbone_t *)data;data += loadmodel->num_bones * sizeof(aliasbone_t);
        loadmodel->animscenes = (animscene_t *)data;data += loadmodel->numframes * sizeof(animscene_t);
-       loadmodel->surfmesh.num_blends = 0;
-       loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
+       if (vblendindexes && vblendweights)
+       {
+               loadmodel->surfmesh.num_blends = 0;
+               loadmodel->surfmesh.blends = (unsigned short *)data;data += meshvertices * sizeof(unsigned short);
+       }
        if (meshvertices <= 65536)
+       {
                loadmodel->surfmesh.data_element3s = (unsigned short *)data;data += meshtriangles * sizeof(unsigned short[3]);
+       }
        loadmodel->data_poses6s = (short *)data;data += loadmodel->num_poses * loadmodel->num_bones * sizeof(short[6]);
-       loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, meshvertices * sizeof(blendweights_t));
+       if (vblendindexes && vblendweights)
+               loadmodel->surfmesh.data_blendweights = (blendweights_t *)Mem_Alloc(loadmodel->mempool, meshvertices * sizeof(blendweights_t));
 
        for (i = 0;i < loadmodel->numskins;i++)
        {
@@ -3187,35 +3284,68 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        }
 
        // load the bone info
-       joint = (iqmjoint_t *) (pbase + header->ofs_joints);
-       for (i = 0;i < loadmodel->num_bones;i++)
+       if (header->version == 1)
        {
-               matrix4x4_t relbase, relinvbase, pinvbase, invbase;
-               joint[i].name = LittleLong(joint[i].name);
-               joint[i].parent = LittleLong(joint[i].parent);
-               for (j = 0;j < 3;j++)
+               for (i = 0;i < loadmodel->num_bones;i++)
                {
-                       joint[i].origin[j] = LittleFloat(joint[i].origin[j]);
-                       joint[i].rotation[j] = LittleFloat(joint[i].rotation[j]);
-                       joint[i].scale[j] = LittleFloat(joint[i].scale[j]);
+                       matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+                       joint1[i].name = LittleLong(joint1[i].name);
+                       joint1[i].parent = LittleLong(joint1[i].parent);
+                       for (j = 0;j < 3;j++)
+                       {
+                               joint1[i].origin[j] = LittleFloat(joint1[i].origin[j]);
+                               joint1[i].rotation[j] = LittleFloat(joint1[i].rotation[j]);
+                               joint1[i].scale[j] = LittleFloat(joint1[i].scale[j]);
+                       }
+                       strlcpy(loadmodel->data_bones[i].name, &text[joint1[i].name], sizeof(loadmodel->data_bones[i].name));
+                       loadmodel->data_bones[i].parent = joint1[i].parent;
+                       if (loadmodel->data_bones[i].parent >= i)
+                               Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
+                       Matrix4x4_FromDoom3Joint(&relbase, joint1[i].origin[0], joint1[i].origin[1], joint1[i].origin[2], joint1[i].rotation[0], joint1[i].rotation[1], joint1[i].rotation[2]);
+                       Matrix4x4_Invert_Simple(&relinvbase, &relbase);
+                       if (loadmodel->data_bones[i].parent >= 0)
+                       {
+                               Matrix4x4_FromArray12FloatD3D(&pinvbase, loadmodel->data_baseboneposeinverse + 12*loadmodel->data_bones[i].parent);
+                               Matrix4x4_Concat(&invbase, &relinvbase, &pinvbase);
+                               Matrix4x4_ToArray12FloatD3D(&invbase, loadmodel->data_baseboneposeinverse + 12*i);
+                       }
+                       else Matrix4x4_ToArray12FloatD3D(&relinvbase, loadmodel->data_baseboneposeinverse + 12*i);
                }
-               strlcpy(loadmodel->data_bones[i].name, &text[joint[i].name], sizeof(loadmodel->data_bones[i].name));
-               loadmodel->data_bones[i].parent = joint[i].parent;
-               if (loadmodel->data_bones[i].parent >= i)
-                       Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
-               Matrix4x4_FromDoom3Joint(&relbase, joint[i].origin[0], joint[i].origin[1], joint[i].origin[2], joint[i].rotation[0], joint[i].rotation[1], joint[i].rotation[2]);
-               Matrix4x4_Invert_Simple(&relinvbase, &relbase);
-               if (loadmodel->data_bones[i].parent >= 0)
+       }
+       else
+       {
+               for (i = 0;i < loadmodel->num_bones;i++)
                {
-                       Matrix4x4_FromArray12FloatD3D(&pinvbase, loadmodel->data_baseboneposeinverse + 12*loadmodel->data_bones[i].parent);
-                       Matrix4x4_Concat(&invbase, &relinvbase, &pinvbase);
-                       Matrix4x4_ToArray12FloatD3D(&invbase, loadmodel->data_baseboneposeinverse + 12*i);
-               }       
-               else Matrix4x4_ToArray12FloatD3D(&relinvbase, loadmodel->data_baseboneposeinverse + 12*i);
+                       matrix4x4_t relbase, relinvbase, pinvbase, invbase;
+                       joint[i].name = LittleLong(joint[i].name);
+                       joint[i].parent = LittleLong(joint[i].parent);
+                       for (j = 0;j < 3;j++)
+                       {
+                               joint[i].origin[j] = LittleFloat(joint[i].origin[j]);
+                               joint[i].rotation[j] = LittleFloat(joint[i].rotation[j]);
+                               joint[i].scale[j] = LittleFloat(joint[i].scale[j]);
+                       }
+                       joint[i].rotation[3] = LittleFloat(joint[i].rotation[3]);
+                       strlcpy(loadmodel->data_bones[i].name, &text[joint[i].name], sizeof(loadmodel->data_bones[i].name));
+                       loadmodel->data_bones[i].parent = joint[i].parent;
+                       if (loadmodel->data_bones[i].parent >= i)
+                               Host_Error("%s bone[%i].parent >= %i", loadmodel->name, i, i);
+                       if (joint[i].rotation[3] > 0)
+                               Vector4Negate(joint[i].rotation, joint[i].rotation);
+                       Vector4Normalize2(joint[i].rotation, joint[i].rotation);
+                       Matrix4x4_FromDoom3Joint(&relbase, joint[i].origin[0], joint[i].origin[1], joint[i].origin[2], joint[i].rotation[0], joint[i].rotation[1], joint[i].rotation[2]);
+                       Matrix4x4_Invert_Simple(&relinvbase, &relbase);
+                       if (loadmodel->data_bones[i].parent >= 0)
+                       {
+                               Matrix4x4_FromArray12FloatD3D(&pinvbase, loadmodel->data_baseboneposeinverse + 12*loadmodel->data_bones[i].parent);
+                               Matrix4x4_Concat(&invbase, &relinvbase, &pinvbase);
+                               Matrix4x4_ToArray12FloatD3D(&invbase, loadmodel->data_baseboneposeinverse + 12*i);
+                       }       
+                       else Matrix4x4_ToArray12FloatD3D(&relinvbase, loadmodel->data_baseboneposeinverse + 12*i);
+               }
        }
 
        // set up the animscenes based on the anims
-       anim = (iqmanim_t *) (pbase + header->ofs_anims);
        for (i = 0;i < (int)header->num_anims;i++)
        {
                anim[i].name = LittleLong(anim[i].name);
@@ -3229,58 +3359,148 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                loadmodel->animscenes[i].loop = ((anim[i].flags & IQM_LOOP) != 0);
                loadmodel->animscenes[i].framerate = anim[i].framerate;
        }
-       
-       pose = (iqmpose_t *) (pbase + header->ofs_poses);
+       if (header->num_anims <= 0)
+       {
+               strlcpy(loadmodel->animscenes[0].name, "static", sizeof(loadmodel->animscenes[0].name));
+               loadmodel->animscenes[0].firstframe = 0;
+               loadmodel->animscenes[0].framecount = 1;
+               loadmodel->animscenes[0].loop = true;
+               loadmodel->animscenes[0].framerate = 10;
+       }
+
        biggestorigin = 0;
-       for (i = 0;i < (int)header->num_poses;i++)
-       {
-               float f;
-               pose[i].parent = LittleLong(pose[i].parent);
-               pose[i].channelmask = LittleLong(pose[i].channelmask);
-               pose[i].channeloffset[0] = LittleFloat(pose[i].channeloffset[0]);
-               pose[i].channeloffset[1] = LittleFloat(pose[i].channeloffset[1]);
-               pose[i].channeloffset[2] = LittleFloat(pose[i].channeloffset[2]);       
-               pose[i].channeloffset[3] = LittleFloat(pose[i].channeloffset[3]);
-               pose[i].channeloffset[4] = LittleFloat(pose[i].channeloffset[4]);
-               pose[i].channeloffset[5] = LittleFloat(pose[i].channeloffset[5]);
-               pose[i].channeloffset[6] = LittleFloat(pose[i].channeloffset[6]);
-               pose[i].channeloffset[7] = LittleFloat(pose[i].channeloffset[7]);
-               pose[i].channeloffset[8] = LittleFloat(pose[i].channeloffset[8]);
-               pose[i].channelscale[0] = LittleFloat(pose[i].channelscale[0]);
-               pose[i].channelscale[1] = LittleFloat(pose[i].channelscale[1]);
-               pose[i].channelscale[2] = LittleFloat(pose[i].channelscale[2]);
-               pose[i].channelscale[3] = LittleFloat(pose[i].channelscale[3]);
-               pose[i].channelscale[4] = LittleFloat(pose[i].channelscale[4]);
-               pose[i].channelscale[5] = LittleFloat(pose[i].channelscale[5]);
-               pose[i].channelscale[6] = LittleFloat(pose[i].channelscale[6]);
-               pose[i].channelscale[7] = LittleFloat(pose[i].channelscale[7]);
-               pose[i].channelscale[8] = LittleFloat(pose[i].channelscale[8]);
-               f = fabs(pose[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
-               f = fabs(pose[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
-               f = fabs(pose[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
-               f = fabs(pose[i].channeloffset[0] + 0xFFFF*pose[i].channelscale[0]); biggestorigin = max(biggestorigin, f);
-               f = fabs(pose[i].channeloffset[1] + 0xFFFF*pose[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
-               f = fabs(pose[i].channeloffset[2] + 0xFFFF*pose[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
+       if (header->version == 1)
+       {
+               for (i = 0;i < (int)header->num_poses;i++)
+               {
+                       float f;
+                       pose1[i].parent = LittleLong(pose1[i].parent);
+                       pose1[i].channelmask = LittleLong(pose1[i].channelmask);
+                       for (j = 0;j < 9;j++)
+                       {
+                               pose1[i].channeloffset[j] = LittleFloat(pose1[i].channeloffset[j]);
+                               pose1[i].channelscale[j] = LittleFloat(pose1[i].channelscale[j]);
+                       }
+                       f = fabs(pose1[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose1[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose1[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose1[i].channeloffset[0] + 0xFFFF*pose1[i].channelscale[0]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose1[i].channeloffset[1] + 0xFFFF*pose1[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose1[i].channeloffset[2] + 0xFFFF*pose1[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
+               }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               float f;
+                               f = fabs(joint1[i].origin[0]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint1[i].origin[1]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint1[i].origin[2]); biggestorigin = max(biggestorigin, f);
+                       }
+               }
+       }
+       else
+       {
+               for (i = 0;i < (int)header->num_poses;i++)
+               {
+                       float f;
+                       pose[i].parent = LittleLong(pose[i].parent);
+                       pose[i].channelmask = LittleLong(pose[i].channelmask);
+                       for (j = 0;j < 10;j++)
+                       {
+                               pose[i].channeloffset[j] = LittleFloat(pose[i].channeloffset[j]);
+                               pose[i].channelscale[j] = LittleFloat(pose[i].channelscale[j]);
+                       }
+                       f = fabs(pose[i].channeloffset[0]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose[i].channeloffset[1]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose[i].channeloffset[2]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose[i].channeloffset[0] + 0xFFFF*pose[i].channelscale[0]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose[i].channeloffset[1] + 0xFFFF*pose[i].channelscale[1]); biggestorigin = max(biggestorigin, f);
+                       f = fabs(pose[i].channeloffset[2] + 0xFFFF*pose[i].channelscale[2]); biggestorigin = max(biggestorigin, f);
+               }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               float f;
+                               f = fabs(joint[i].origin[0]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint[i].origin[1]); biggestorigin = max(biggestorigin, f);
+                               f = fabs(joint[i].origin[2]); biggestorigin = max(biggestorigin, f);
+                       }
+               }
        }
        loadmodel->num_posescale = biggestorigin / 32767.0f;
        loadmodel->num_poseinvscale = 1.0f / loadmodel->num_posescale;
 
        // load the pose data
-       framedata = (unsigned short *) (pbase + header->ofs_frames);
-       for (i = 0, k = 0;i < (int)header->num_frames;i++)      
+       if (header->version == 1)
        {
-               for (j = 0;j < (int)header->num_poses;j++, k++)
+               for (i = 0, k = 0;i < (int)header->num_frames;i++)
                {
-                       loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose[j].channeloffset[0] + (pose[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[0] : 0));
-                       loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose[j].channeloffset[1] + (pose[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[1] : 0));
-                       loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose[j].channeloffset[2] + (pose[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[2] : 0));
-                       loadmodel->data_poses6s[k*6 + 3] = 32767.0f * (pose[j].channeloffset[3] + (pose[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[3] : 0));
-                       loadmodel->data_poses6s[k*6 + 4] = 32767.0f * (pose[j].channeloffset[4] + (pose[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[4] : 0));
-                       loadmodel->data_poses6s[k*6 + 5] = 32767.0f * (pose[j].channeloffset[5] + (pose[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[5] : 0));
-                       // skip scale data for now
-                       if(pose[j].channelmask&64) framedata++;
-                       if(pose[j].channelmask&128) framedata++;
-                       if(pose[j].channelmask&256) framedata++;
+                       for (j = 0;j < (int)header->num_poses;j++, k++)
+                       {
+                               loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[0] + (pose1[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[0] : 0));
+                               loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[1] + (pose1[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[1] : 0));
+                               loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose1[j].channeloffset[2] + (pose1[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[2] : 0));
+                               loadmodel->data_poses6s[k*6 + 3] = 32767.0f * (pose1[j].channeloffset[3] + (pose1[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[3] : 0));
+                               loadmodel->data_poses6s[k*6 + 4] = 32767.0f * (pose1[j].channeloffset[4] + (pose1[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[4] : 0));
+                               loadmodel->data_poses6s[k*6 + 5] = 32767.0f * (pose1[j].channeloffset[5] + (pose1[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose1[j].channelscale[5] : 0));
+                               // skip scale data for now
+                               if(pose1[j].channelmask&64) framedata++;
+                               if(pose1[j].channelmask&128) framedata++;
+                               if(pose1[j].channelmask&256) framedata++;
+                       }
+               }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint1[i].origin[0];
+                               loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint1[i].origin[1];
+                               loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint1[i].origin[2];
+                               loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint1[i].rotation[0];
+                               loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint1[i].rotation[1];
+                               loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint1[i].rotation[2];
+                       }
+               }
+       }
+       else
+       {
+               for (i = 0, k = 0;i < (int)header->num_frames;i++)      
+               {
+                       for (j = 0;j < (int)header->num_poses;j++, k++)
+                       {
+                               float rot[4];
+                               loadmodel->data_poses6s[k*6 + 0] = loadmodel->num_poseinvscale * (pose[j].channeloffset[0] + (pose[j].channelmask&1 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[0] : 0));
+                               loadmodel->data_poses6s[k*6 + 1] = loadmodel->num_poseinvscale * (pose[j].channeloffset[1] + (pose[j].channelmask&2 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[1] : 0));
+                               loadmodel->data_poses6s[k*6 + 2] = loadmodel->num_poseinvscale * (pose[j].channeloffset[2] + (pose[j].channelmask&4 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[2] : 0));
+                               rot[0] = pose[j].channeloffset[3] + (pose[j].channelmask&8 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[3] : 0);
+                               rot[1] = pose[j].channeloffset[4] + (pose[j].channelmask&16 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[4] : 0);
+                               rot[2] = pose[j].channeloffset[5] + (pose[j].channelmask&32 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[5] : 0);
+                               rot[3] = pose[j].channeloffset[6] + (pose[j].channelmask&64 ? (unsigned short)LittleShort(*framedata++) * pose[j].channelscale[6] : 0);
+                               if (rot[3] > 0)
+                                       Vector4Negate(rot, rot);
+                               Vector4Normalize2(rot, rot);
+                               loadmodel->data_poses6s[k*6 + 3] = 32767.0f * rot[0];
+                               loadmodel->data_poses6s[k*6 + 4] = 32767.0f * rot[1];
+                               loadmodel->data_poses6s[k*6 + 5] = 32767.0f * rot[2];
+                               // skip scale data for now
+                               if(pose[j].channelmask&128) framedata++;
+                               if(pose[j].channelmask&256) framedata++;
+                               if(pose[j].channelmask&512) framedata++;
+                       }
+               }
+               if (header->num_frames <= 0)
+               {
+                       for (i = 0;i < loadmodel->num_bones;i++)
+                       {
+                               loadmodel->data_poses6s[i*6 + 0] = loadmodel->num_poseinvscale * joint[i].origin[0];
+                               loadmodel->data_poses6s[i*6 + 1] = loadmodel->num_poseinvscale * joint[i].origin[1];
+                               loadmodel->data_poses6s[i*6 + 2] = loadmodel->num_poseinvscale * joint[i].origin[2];
+                               loadmodel->data_poses6s[i*6 + 3] = 32767.0f * joint[i].rotation[0];
+                               loadmodel->data_poses6s[i*6 + 4] = 32767.0f * joint[i].rotation[1];
+                               loadmodel->data_poses6s[i*6 + 5] = 32767.0f * joint[i].rotation[2];
+                       }
                }
        }
 
@@ -3288,7 +3508,6 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        if (header->ofs_bounds)
        {
                float xyradius = 0, radius = 0;
-               bounds = (iqmbounds_t *) (pbase + header->ofs_bounds);
                VectorClear(loadmodel->normalmins);
                VectorClear(loadmodel->normalmaxs);
                for (i = 0; i < (int)header->num_frames;i++)
@@ -3331,11 +3550,11 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        }
 
        // load triangle data
-       inelements = (const int *) (pbase + header->ofs_triangles);
+       inelements = loadmodel->surfmesh.data_element3i;
        outelements = loadmodel->surfmesh.data_element3i;
        for (i = 0;i < (int)header->num_triangles;i++)
        {
-               outelements[0] = LittleLong(inelements[0]);             
+               outelements[0] = LittleLong(inelements[0]);
                outelements[1] = LittleLong(inelements[1]);
                outelements[2] = LittleLong(inelements[2]);
                outelements += 3;
@@ -3343,9 +3562,9 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
        }
        Mod_ValidateElements(loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles, 0, header->num_vertexes, __FILE__, __LINE__);
 
-       if (header->ofs_neighbors)
+       if (header->ofs_neighbors && loadmodel->surfmesh.data_neighbor3i)
        {
-               inelements = (const int *) (pbase + header->ofs_neighbors);
+               inelements = loadmodel->surfmesh.data_neighbor3i;
                outelements = loadmodel->surfmesh.data_neighbor3i;
                for (i = 0;i < (int)header->num_triangles;i++)
                {
@@ -3411,16 +3630,18 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                }
        }
 
-       for (i = 0; i < (int)header->num_vertexes;i++)
+       if (vblendindexes && vblendweights)
        {
-               blendweights_t weights;
-               memcpy(weights.index, vblendindexes + i*4, 4);
-               memcpy(weights.influence, vblendweights + i*4, 4);
-               loadmodel->surfmesh.blends[i] = Mod_Skeletal_AddBlend(loadmodel, &weights);
+               for (i = 0; i < (int)header->num_vertexes;i++)
+               {
+                       blendweights_t weights;
+                       memcpy(weights.index, vblendindexes + i*4, 4);
+                       memcpy(weights.influence, vblendweights + i*4, 4);
+                       loadmodel->surfmesh.blends[i] = Mod_Skeletal_AddBlend(loadmodel, &weights);
+               }
        }
 
        // load meshes
-       mesh = (iqmmesh_t *) (pbase + header->ofs_meshes);
        for (i = 0;i < (int)header->num_meshes;i++)
        {
                msurface_t *surface;
@@ -3451,10 +3672,10 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                for (i = 0;i < loadmodel->surfmesh.num_triangles*3;i++)
                        loadmodel->surfmesh.data_element3s[i] = loadmodel->surfmesh.data_element3i[i];
        if (!vnormal)
-               Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, true);
+               Mod_BuildNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_normal3f, r_smoothnormals_areaweighting.integer != 0);
        if (!vnormal || !vtangent)
-               Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, true);
-       if (!header->ofs_neighbors)
+               Mod_BuildTextureVectorsFromNormals(0, loadmodel->surfmesh.num_vertices, loadmodel->surfmesh.num_triangles, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_texcoordtexture2f, loadmodel->surfmesh.data_normal3f, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.data_svector3f, loadmodel->surfmesh.data_tvector3f, r_smoothnormals_areaweighting.integer != 0);
+       if (!header->ofs_neighbors && loadmodel->surfmesh.data_neighbor3i)
                Mod_BuildTriangleNeighbors(loadmodel->surfmesh.data_neighbor3i, loadmodel->surfmesh.data_element3i, loadmodel->surfmesh.num_triangles);
        if (!header->ofs_bounds)
                Mod_Alias_CalculateBoundingBox();
@@ -3470,6 +3691,20 @@ void Mod_INTERQUAKEMODEL_Load(dp_model_t *mod, void *buffer, void *bufferend)
                loadmodel->TracePoint = Mod_CollisionBIH_TracePoint_Mesh;
                loadmodel->PointSuperContents = Mod_CollisionBIH_PointSuperContents_Mesh;
        }
-}
 
-                       
+       if (anim         ) Mem_Free(anim         );anim          = NULL;
+       if (bounds       ) Mem_Free(bounds       );bounds        = NULL;
+       if (framedata    ) Mem_Free(framedata    );framedata     = NULL;
+       if (joint        ) Mem_Free(joint        );joint         = NULL;
+       if (joint1       ) Mem_Free(joint1       );joint1        = NULL;
+       if (mesh         ) Mem_Free(mesh         );mesh          = NULL;
+       if (pose         ) Mem_Free(pose         );pose          = NULL;
+       if (pose1        ) Mem_Free(pose1        );pose1         = NULL;
+       if (va           ) Mem_Free(va           );va            = NULL;
+       if (vblendindexes) Mem_Free(vblendindexes);vblendindexes = NULL;
+       if (vblendweights) Mem_Free(vblendweights);vblendweights = NULL;
+       if (vnormal      ) Mem_Free(vnormal      );vnormal       = NULL;
+       if (vposition    ) Mem_Free(vposition    );vposition     = NULL;
+       if (vtangent     ) Mem_Free(vtangent     );vtangent      = NULL;
+       if (vtexcoord    ) Mem_Free(vtexcoord    );vtexcoord     = NULL;
+}