+static void Mod_Alias_Mesh_CompileFrameZero(aliasmesh_t *mesh)
+{
+ frameblend_t frameblend[4] = {{0, 1}, {0, 0}, {0, 0}, {0, 0}};
+ mesh->data_basevertex3f = Mem_Alloc(loadmodel->mempool, mesh->num_vertices * sizeof(float[3][4]));
+ mesh->data_basesvector3f = mesh->data_basevertex3f + mesh->num_vertices * 3;
+ mesh->data_basetvector3f = mesh->data_basevertex3f + mesh->num_vertices * 6;
+ mesh->data_basenormal3f = mesh->data_basevertex3f + mesh->num_vertices * 9;
+ Mod_Alias_GetMesh_Vertex3f(loadmodel, frameblend, mesh, mesh->data_basevertex3f);
+ Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, mesh->data_basevertex3f, mesh->data_texcoord2f, mesh->data_element3i, mesh->data_basesvector3f, mesh->data_basetvector3f, mesh->data_basenormal3f);
+}
+
+static void Mod_MDLMD2MD3_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, framenum;
+ float segmentmins[3], segmentmaxs[3];
+ colbrushf_t *thisbrush_start, *thisbrush_end;
+ matrix4x4_t startmatrix, endmatrix;
+ memset(trace, 0, sizeof(*trace));
+ trace->fraction = 1;
+ trace->realfraction = 1;
+ trace->hitsupercontentsmask = hitsupercontentsmask;
+ segmentmins[0] = min(boxstartmins[0], boxendmins[0]);
+ segmentmins[1] = min(boxstartmins[1], boxendmins[1]);
+ segmentmins[2] = min(boxstartmins[2], boxendmins[2]);
+ segmentmaxs[0] = max(boxstartmaxs[0], boxendmaxs[0]);
+ segmentmaxs[1] = max(boxstartmaxs[1], boxendmaxs[1]);
+ segmentmaxs[2] = max(boxstartmaxs[2], boxendmaxs[2]);
+ if (VectorCompare(boxstartmins, boxstartmaxs) && VectorCompare(boxendmins, boxendmaxs))
+ {
+ // line trace
+ for (i = 0;i < model->alias.aliasnum_meshes;i++)
+ {
+ framenum = frame;
+ if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
+ framenum = 0;
+ if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
+ Collision_TraceLineTriangleMeshFloat(trace, boxstartmins, boxendmins, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+ //else
+ // FIXME!!! this needs to handle skeletal!
+ }
+ }
+ else
+ {
+ // box trace, performed as brush trace
+ Matrix4x4_CreateIdentity(&startmatrix);
+ Matrix4x4_CreateIdentity(&endmatrix);
+ thisbrush_start = Collision_BrushForBox(&startmatrix, boxstartmins, boxstartmaxs);
+ thisbrush_end = Collision_BrushForBox(&endmatrix, boxendmins, boxendmaxs);
+ for (i = 0;i < model->alias.aliasnum_meshes;i++)
+ {
+ framenum = frame;
+ if (framenum < 0 || framenum > model->alias.aliasdata_meshes[i].num_morphframes)
+ framenum = 0;
+ if (model->alias.aliasdata_meshes[i].data_morphvertex3f)
+ Collision_TraceBrushTriangleMeshFloat(trace, thisbrush_start, thisbrush_end, model->alias.aliasdata_meshes[i].num_triangles, model->alias.aliasdata_meshes[i].data_element3i, model->alias.aliasdata_meshes[i].data_morphvertex3f + framenum * model->alias.aliasdata_meshes[i].num_vertices * 3, SUPERCONTENTS_SOLID, segmentmins, segmentmaxs);
+ //else
+ // FIXME!!! this needs to handle skeletal!
+ }
+ }
+}
+
+static void Mod_CalcAliasModelBBoxes (void)
+{
+ int vnum, meshnum;
+ float dist, yawradius, radius;
+ aliasmesh_t *mesh;
+ float *v;
+ VectorClear(loadmodel->normalmins);
+ VectorClear(loadmodel->normalmaxs);
+ yawradius = 0;
+ radius = 0;
+ for (meshnum = 0, mesh = loadmodel->alias.aliasdata_meshes;meshnum < loadmodel->alias.aliasnum_meshes;meshnum++, mesh++)
+ {
+ for (vnum = 0, v = mesh->data_morphvertex3f;vnum < mesh->num_vertices * mesh->num_morphframes;vnum++, v += 3)
+ {
+ if (loadmodel->normalmins[0] > v[0]) loadmodel->normalmins[0] = v[0];
+ if (loadmodel->normalmins[1] > v[1]) loadmodel->normalmins[1] = v[1];
+ if (loadmodel->normalmins[2] > v[2]) loadmodel->normalmins[2] = v[2];
+ if (loadmodel->normalmaxs[0] < v[0]) loadmodel->normalmaxs[0] = v[0];
+ if (loadmodel->normalmaxs[1] < v[1]) loadmodel->normalmaxs[1] = v[1];
+ if (loadmodel->normalmaxs[2] < v[2]) loadmodel->normalmaxs[2] = v[2];
+ dist = v[0] * v[0] + v[1] * v[1];
+ if (yawradius < dist)
+ yawradius = dist;
+ dist += v[2] * v[2];
+ if (radius < dist)
+ radius = dist;
+ }
+ }
+ radius = sqrt(radius);
+ yawradius = sqrt(yawradius);
+ loadmodel->yawmins[0] = loadmodel->yawmins[1] = -yawradius;
+ loadmodel->yawmaxs[0] = loadmodel->yawmaxs[1] = yawradius;
+ loadmodel->yawmins[2] = loadmodel->normalmins[2];
+ loadmodel->yawmaxs[2] = loadmodel->normalmaxs[2];
+ loadmodel->rotatedmins[0] = loadmodel->rotatedmins[1] = loadmodel->rotatedmins[2] = -radius;
+ loadmodel->rotatedmaxs[0] = loadmodel->rotatedmaxs[1] = loadmodel->rotatedmaxs[2] = radius;
+ loadmodel->radius = radius;
+ loadmodel->radius2 = radius * radius;
+}
+
+static void Mod_ConvertAliasVerts (int inverts, vec3_t scale, vec3_t translate, trivertx_t *v, float *out3f, int *vertremap)