+int Mod_BuildVertexRemapTableFromElements(int numelements, const int *elements, int numvertices, int *remapvertices);
+void Mod_BuildTriangleNeighbors(int *neighbors, const int *elements, int numtriangles);
+void Mod_ValidateElements(const int *elements, int numtriangles, int numverts, const char *filename, int fileline);
+void Mod_BuildNormals(int numverts, int numtriangles, const float *vertex3f, const int *elements, float *normal3f);
+void Mod_BuildTextureVectorsAndNormals(int numverts, int numtriangles, const float *vertex, const float *texcoord, const int *elements, float *svectors, float *tvectors, float *normals);
+
+shadowmesh_t *Mod_ShadowMesh_Alloc(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable);
+shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh, int light, int neighbors);
+int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *vertex14f);
+void Mod_ShadowMesh_AddTriangle(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, float *vertex14f);
+void Mod_ShadowMesh_AddMesh(mempool_t *mempool, shadowmesh_t *mesh, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, int numtris, const int *element3i);
+shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool, int maxverts, int maxtriangles, rtexture_t *map_diffuse, rtexture_t *map_specular, rtexture_t *map_normal, int light, int neighbors, int expandable);
+shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh, int light, int neighbors);
+void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
+void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
+
+int Mod_LoadSkinFrame(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture);
+int Mod_LoadSkinFrame_Internal(skinframe_t *skinframe, char *basename, int textureflags, int loadpantsandshirt, int usedetailtexture, int loadglowtexture, qbyte *skindata, int width, int height);
+
+// used for talking to the QuakeC mainly
+int Mod_Q1BSP_NativeContentsFromSuperContents(struct model_s *model, int supercontents);
+int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativecontents);
+
+extern cvar_t r_mipskins;
+
+typedef struct skinfileitem_s
+{
+ struct skinfileitem_s *next;
+ char name[MAX_QPATH];
+ char replacement[MAX_QPATH];
+}
+skinfileitem_t;
+
+typedef struct skinfile_s
+{
+ struct skinfile_s *next;
+ skinfileitem_t *items;
+}
+skinfile_t;
+
+skinfile_t *Mod_LoadSkinFiles(void);
+void Mod_FreeSkinFiles(skinfile_t *skinfile);
+int Mod_CountSkinFiles(skinfile_t *skinfile);
+
+void Mod_SnapVertices(int numcomponents, int numvertices, float *vertices, float snap);
+int Mod_RemoveDegenerateTriangles(int numtriangles, const int *inelement3i, int *outelement3i, const float *vertex3f);