+ int i, j, version;
+ float *vertexbuffer, *svectorsbuffer, *tvectorsbuffer, *normalsbuffer;
+ md3modelheader_t *pinmodel;
+ md3frameinfo_t *pinframe;
+ md3mesh_t *pinmesh;
+ aliasmesh_t *mesh;
+ skinframe_t tempskinframe;
+
+ pinmodel = buffer;
+
+ if (memcmp(pinmodel->identifier, "IDP3", 4))
+ Host_Error ("%s is not a MD3 (IDP3) file\n", loadmodel->name);
+ version = LittleLong (pinmodel->version);
+ if (version != MD3VERSION)
+ Host_Error ("%s has wrong version number (%i should be %i)",
+ loadmodel->name, version, MD3VERSION);
+
+ loadmodel->type = mod_alias;
+ loadmodel->aliastype = ALIASTYPE_ALIAS;
+ loadmodel->DrawSky = NULL;
+ loadmodel->Draw = R_Model_Alias_Draw;
+ loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
+ loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
+ loadmodel->DrawLight = R_Model_Alias_DrawLight;
+ loadmodel->flags = 0;
+ loadmodel->synctype = ST_RAND;
+
+ // set up some global info about the model
+ loadmodel->numframes = LittleLong(pinmodel->num_frames);
+ loadmodel->numskins = 1;
+ loadmodel->aliasnum_meshes = LittleLong(pinmodel->num_meshes);
+ loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numskins * sizeof(animscene_t));
+ loadmodel->skinscenes[0].firstframe = 0;
+ loadmodel->skinscenes[0].framecount = 1;
+ loadmodel->skinscenes[0].loop = true;
+ loadmodel->skinscenes[0].framerate = 10;
+
+ // load frameinfo
+ loadmodel->animscenes = Mem_Alloc(loadmodel->mempool, loadmodel->numframes * sizeof(animscene_t));
+ for (i = 0, pinframe = (md3frameinfo_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_frameinfo));i < loadmodel->numframes;i++, pinframe++)
+ {
+ strcpy(loadmodel->animscenes[i].name, pinframe->name);
+ loadmodel->animscenes[i].firstframe = i;
+ loadmodel->animscenes[i].framecount = 1;
+ loadmodel->animscenes[i].framerate = 10;
+ loadmodel->animscenes[i].loop = true;
+ }
+
+ // tags are not loaded yet
+
+ // load meshes
+ loadmodel->aliasdata_meshes = Mem_Alloc(loadmodel->mempool, loadmodel->aliasnum_meshes * sizeof(aliasmesh_t));
+ for (i = 0, pinmesh = (md3mesh_t *)((qbyte *)pinmodel + LittleLong(pinmodel->lump_meshes));i < loadmodel->aliasnum_meshes;i++, pinmesh = (md3mesh_t *)((qbyte *)pinmesh + LittleLong(pinmesh->lump_end)))
+ {
+ if (memcmp(pinmesh->identifier, "IDP3", 4))
+ Host_Error("Mod_LoadQ3AliasModel: invalid mesh identifier (not IDP3)\n");
+ mesh = loadmodel->aliasdata_meshes + i;
+ mesh->num_skins = loadmodel->numskins;
+ mesh->num_frames = LittleLong(pinmesh->num_frames);
+ mesh->num_vertices = LittleLong(pinmesh->num_vertices);
+ mesh->num_triangles = LittleLong(pinmesh->num_triangles);
+ mesh->data_skins = Mem_Alloc(loadmodel->mempool, mesh->num_skins * sizeof(aliasskin_t));
+ mesh->data_element3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+ mesh->data_neighbor3i = Mem_Alloc(loadmodel->mempool, mesh->num_triangles * sizeof(int[3]));
+ mesh->data_texcoord2f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[2]));
+ mesh->data_aliasvertex = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * mesh->num_frames * sizeof(aliasvertex_t));
+ for (j = 0;j < mesh->num_triangles * 3;j++)
+ mesh->data_element3i[j] = LittleLong(((int *)((qbyte *)pinmesh + pinmesh->lump_elements))[j]);
+ for (j = 0;j < mesh->num_vertices;j++)
+ {
+ mesh->data_texcoord2f[j * 2 + 0] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 0]);
+ mesh->data_texcoord2f[j * 2 + 1] = LittleLong(((float *)((qbyte *)pinmesh + pinmesh->lump_texcoords))[j * 2 + 1]);
+ }
+ for (j = 0;j < mesh->num_vertices * mesh->num_frames;j++)
+ {
+ mesh->data_aliasvertex[j].origin[0] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 0]) * (1.0f / 64.0f);
+ mesh->data_aliasvertex[j].origin[1] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 1]) * (1.0f / 64.0f);
+ mesh->data_aliasvertex[j].origin[2] = LittleShort(((short *)((qbyte *)pinmesh + pinmesh->lump_framevertices))[j * 4 + 2]) * (1.0f / 64.0f);
+ }
+ vertexbuffer = Mem_Alloc(tempmempool, mesh->num_vertices * sizeof(float[3+3+3+3]));
+ svectorsbuffer = vertexbuffer + mesh->num_vertices * 3;
+ tvectorsbuffer = svectorsbuffer + mesh->num_vertices * 3;
+ normalsbuffer = tvectorsbuffer + mesh->num_vertices * 3;
+ for (j = 0;j < mesh->num_frames;j++)
+ Mod_BuildAliasVertexTextureVectors(mesh->num_vertices, mesh->data_aliasvertex + j * mesh->num_vertices, mesh->data_texcoord2f, vertexbuffer, svectorsbuffer, tvectorsbuffer, normalsbuffer, mesh->num_triangles, mesh->data_element3i);
+ Mem_Free(vertexbuffer);
+
+ memset(&tempskinframe, 0, sizeof(tempskinframe));
+ if (LittleLong(pinmesh->num_shaders) >= 1 && ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name[0])
+ Mod_LoadSkinFrame (&tempskinframe, ((md3shader_t *)((qbyte *) pinmesh + pinmesh->lump_shaders))->name, (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_ALPHA | TEXF_PRECACHE, true, false, true);
+ Mod_ValidateElements(mesh->data_element3i, mesh->num_triangles, mesh->num_vertices, __FILE__, __LINE__);
+ Mod_BuildTriangleNeighbors(mesh->data_neighbor3i, mesh->data_element3i, mesh->num_triangles);
+ Mod_BuildAliasSkinFromSkinFrame(mesh->data_skins, &tempskinframe);
+ }
+ Mod_CalcAliasModelBBoxes();