+static void Mod_Alias_MorphMesh_CompileFrames(void)
+{
+ int i, j;
+ frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
+ unsigned char *datapointer;
+ datapointer = (unsigned char *)Mem_Alloc(loadmodel->mempool, loadmodel->surfmesh.num_vertices * (sizeof(float[3]) * 4 + loadmodel->surfmesh.num_morphframes * sizeof(texvecvertex_t)));
+ loadmodel->surfmesh.data_vertex3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_svector3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_tvector3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_normal3f = (float *)datapointer;datapointer += loadmodel->surfmesh.num_vertices * sizeof(float[3]);
+ loadmodel->surfmesh.data_morphtexvecvertex = (texvecvertex_t *)datapointer;datapointer += loadmodel->surfmesh.num_morphframes * loadmodel->surfmesh.num_vertices * sizeof(texvecvertex_t);
+ // this counts down from the last frame to the first so that the final data in surfmesh is for frame zero (which is what the renderer expects to be there)
+ for (i = loadmodel->surfmesh.num_morphframes-1;i >= 0;i--)
+ {
+ frameblend[0].frame = i;
+ loadmodel->AnimateVertices(loadmodel, frameblend, loadmodel->surfmesh.data_vertex3f, loadmodel->surfmesh.data_normal3f, NULL, NULL);
+ 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);
+ // encode the svector and tvector in 3 byte format for permanent storage
+ for (j = 0;j < loadmodel->surfmesh.num_vertices;j++)
+ {
+ VectorScaleCast(loadmodel->surfmesh.data_svector3f + j * 3, 127.0f, signed char, loadmodel->surfmesh.data_morphtexvecvertex[i*loadmodel->surfmesh.num_vertices+j].svec);
+ VectorScaleCast(loadmodel->surfmesh.data_tvector3f + j * 3, 127.0f, signed char, loadmodel->surfmesh.data_morphtexvecvertex[i*loadmodel->surfmesh.num_vertices+j].tvec);
+ }
+ }
+}
+
+static void Mod_MDLMD2MD3_TraceBox(dp_model_t *model, int frame, trace_t *trace, const vec3_t start, const vec3_t boxmins, const vec3_t boxmaxs, const vec3_t end, int hitsupercontentsmask)
+{
+ int i;
+ float segmentmins[3], segmentmaxs[3];
+ frameblend_t frameblend[4];
+ msurface_t *surface;
+ static int maxvertices = 0;
+ static float *vertex3f = NULL;
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ memset(frameblend, 0, sizeof(frameblend));
+ frameblend[0].frame = frame;
+ frameblend[0].lerp = 1;
+ if (maxvertices < model->surfmesh.num_vertices)
+ {
+ if (vertex3f)
+ Z_Free(vertex3f);
+ maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
+ vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
+ }
+ if (VectorLength2(boxmins) + VectorLength2(boxmaxs) == 0)
+ {
+ // line trace
+ segmentmins[0] = min(start[0], end[0]) - 1;
+ segmentmins[1] = min(start[1], end[1]) - 1;
+ segmentmins[2] = min(start[2], end[2]) - 1;
+ segmentmaxs[0] = max(start[0], end[0]) + 1;
+ segmentmaxs[1] = max(start[1], end[1]) + 1;
+ segmentmaxs[2] = max(start[2], end[2]) + 1;
+ for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
+ {
+ model->AnimateVertices(model, frameblend, vertex3f, NULL, NULL, NULL);
+ Collision_TraceLineTriangleMeshFloat(trace, start, end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
+ }
+ }
+ else
+ {
+ // box trace, performed as brush trace
+ colbrushf_t *thisbrush_start, *thisbrush_end;
+ vec3_t boxstartmins, boxstartmaxs, boxendmins, boxendmaxs;
+ segmentmins[0] = min(start[0], end[0]) + boxmins[0] - 1;
+ segmentmins[1] = min(start[1], end[1]) + boxmins[1] - 1;
+ segmentmins[2] = min(start[2], end[2]) + boxmins[2] - 1;
+ segmentmaxs[0] = max(start[0], end[0]) + boxmaxs[0] + 1;
+ segmentmaxs[1] = max(start[1], end[1]) + boxmaxs[1] + 1;
+ segmentmaxs[2] = max(start[2], end[2]) + boxmaxs[2] + 1;
+ VectorAdd(start, boxmins, boxstartmins);
+ VectorAdd(start, boxmaxs, boxstartmaxs);
+ VectorAdd(end, boxmins, boxendmins);
+ VectorAdd(end, boxmaxs, boxendmaxs);
+ thisbrush_start = Collision_BrushForBox(&identitymatrix, boxstartmins, boxstartmaxs, 0, 0, NULL);
+ thisbrush_end = Collision_BrushForBox(&identitymatrix, boxendmins, boxendmaxs, 0, 0, NULL);
+ for (i = 0, surface = model->data_surfaces;i < model->num_surfaces;i++, surface++)
+ {
+ if (maxvertices < model->surfmesh.num_vertices)
+ {
+ if (vertex3f)
+ Z_Free(vertex3f);
+ maxvertices = (model->surfmesh.num_vertices + 255) & ~255;
+ vertex3f = (float *)Z_Malloc(maxvertices * sizeof(float[3]));
+ }
+ model->AnimateVertices(model, frameblend, vertex3f, NULL, NULL, NULL);
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->surfmesh.num_triangles, model->surfmesh.data_element3i, vertex3f, SUPERCONTENTS_SOLID, 0, surface->texture, segmentmins, segmentmaxs);
+ }
+ }
+}
+
+static void Mod_ConvertAliasVerts (int inverts, trivertx_t *v, trivertx_t *out, int *vertremap)