- #include "prepmesh.h" 
- #include "CORE/FW/brqsort.h" 
- #include "CORE/FW/diag.h" 
- #include "CORE/FW/resource.h" 
- #include "CORE/FW/scratch.h" 
- #include "CORE/MATH/angles.h" 
- #include "CORE/MATH/plane.h" 
- #include "CORE/MATH/vector.h" 
- #include "CORE/STD/brmath.h" 
- #include "CORE/STD/brstdlib.h" 
- #include "harness/hooks.h" 
- #include "harness/trace.h" 
- #include <assert.h> 
-   
- br_model* compareModel; 
- char* pm_edge_scratch; 
- pm_temp_edge** pm_edge_hash; 
- int num_edges; 
- pm_temp_edge* pm_edge_table; 
-   
- #define PREP_ALIGN(f) (f) 
-   
- #define MODF_USES_DEFAULT 0x8000 
-   
- // IDA: int __usercall addEdge@<EAX>(br_uint_16 first@<EAX>, br_uint_16 last@<EDX>) 
- int addEdge(br_uint_16 first, br_uint_16 last) { 
-     //pm_temp_edge* tep; // Pierre-Marie Baty -- unused variable 
-     LOG_TRACE("(%d, %d)", first, last); 
-     NOT_IMPLEMENTED(); 
- } 
-   
- // IDA: void __usercall prepareEdges(v11group *group@<EAX>, br_model *model@<EDX>) 
- void prepareEdges(v11group* group, br_model* model) { 
-     //br_size_t scratch_size; // Pierre-Marie Baty -- unused variable 
-     //br_face* mfp; // Pierre-Marie Baty -- unused variable 
-     //v11face* fp; // Pierre-Marie Baty -- unused variable 
-     //int f; // Pierre-Marie Baty -- unused variable 
-     LOG_TRACE("(%p, %p)", group, model); 
-     NOT_IMPLEMENTED(); 
- } 
-   
- // IDA: void __usercall BrPrepareEdges(br_model *model@<EAX>) 
- void BrPrepareEdges(br_model* model) { 
-     //int g; // Pierre-Marie Baty -- unused variable 
-     //v11model* v11m; // Pierre-Marie Baty -- unused variable 
-     LOG_TRACE("(%p)", model); 
-     NOT_IMPLEMENTED(); 
- } 
-   
- // IDA: int __cdecl FacesCompare(void *p1, void *p2) 
- int FacesCompare(const void* p1, const void* p2) { 
-     br_face* f1; 
-     br_face* f2; 
-     // LOG_TRACE9("(%p, %p)", p1, p2); 
-   
-     f1 = *(br_face**)p1; 
-     f2 = *(br_face**)p2; 
-   
-     if (f1->material > f2->material) { 
-         return 1; 
-     } 
-     if (f1->material < f2->material) { 
-         return -1; 
-     } 
-     return 0; 
- } 
-   
- // IDA: int __cdecl TVCompare_XYZ(void *p1, void *p2) 
- int TVCompare_XYZ(const void* p1, const void* p2) { 
-     prep_vertex* tv1; 
-     prep_vertex* tv2; 
-     br_vertex* v1; 
-     br_vertex* v2; 
-     int i; 
-     // LOG_TRACE9("(%p, %p)", p1, p2); 
-   
-     tv1 = *(prep_vertex**)p1; 
-     tv2 = *(prep_vertex**)p2; 
-   
-   
-     if (tv1->v == tv2->v) 
-         return 0; 
-   
-     v1 = compareModel->vertices + tv1->v; 
-     v2 = compareModel->vertices + tv2->v; 
-   
-     for (i = 0; i < 3; i++) { 
-         if (v1->p.v[i] > v2->p.v[i]) 
-             return 1; 
-         if (v1->p.v[i] < v2->p.v[i]) 
-             return -1; 
-     } 
-   
-     return 0; 
- } 
-   
- // IDA: int __cdecl TVCompare_MXYZUVN(void *p1, void *p2) 
- int TVCompare_MXYZUVN(const void* p1, const void* p2) { 
-     prep_vertex* tv1; 
-     prep_vertex* tv2; 
-     br_vertex* v1; 
-     br_vertex* v2; 
-     int i; 
-     // LOG_TRACE("(%p, %p)", p1, p2); 
-   
-     tv1 = *(struct prep_vertex**)p1; 
-     tv2 = *(struct prep_vertex**)p2; 
-   
-   
-     if (compareModel->faces[tv1->f].material > compareModel->faces[tv2->f].material) 
-         return 1; 
-     if (compareModel->faces[tv1->f].material < compareModel->faces[tv2->f].material) 
-         return -1; 
-   
-     if (tv1->v != tv2->v) { 
-         v1 = compareModel->vertices + tv1->v; 
-         v2 = compareModel->vertices + tv2->v; 
-   
-         for (i = 0; i < 3; i++) { 
-             if (v1->p.v[i] > v2->p.v[i]) 
-                 return 1; 
-             if (v1->p.v[i] < v2->p.v[i]) 
-                 return -1; 
-         } 
-   
-         for (i = 0; i < 2; i++) { 
-             if (v1->map.v[i] > v2->map.v[i]) 
-                 return 1; 
-             if (v1->map.v[i] < v2->map.v[i]) 
-                 return -1; 
-         } 
-     } 
-   
-     for (i = 0; i < 3; i++) { 
-         if (tv1->n.v[i] > tv2->n.v[i]) 
-             return 1; 
-         if (tv1->n.v[i] < tv2->n.v[i]) 
-             return -1; 
-     } 
-   
-     return 0; 
- } 
-   
- // IDA: int __cdecl TVCompare_MVN(void *p1, void *p2) 
- int TVCompare_MVN(const void* p1, const void* p2) { 
-     prep_vertex* tv1; 
-     prep_vertex* tv2; 
-     int i; 
-     // LOG_TRACE9("(%p, %p)", p1, p2); 
-   
-     tv1 = *(prep_vertex**)p1; 
-     tv2 = *(prep_vertex**)p2; 
-   
-     // if (compareModel->faces[tv1->f].material != NULL) { 
-     //     LOG_DEBUG("%s, %s", compareModel->faces[tv1->f].material->identifier, compareModel->faces[tv2->f].material->identifier); 
-     // } 
-     if (compareModel->faces[tv1->f].material > compareModel->faces[tv2->f].material) 
-         return 1; 
-     if (compareModel->faces[tv1->f].material < compareModel->faces[tv2->f].material) 
-         return -1; 
-   
-     if (tv1->v > tv2->v) 
-         return 1; 
-     if (tv1->v < tv2->v) 
-         return -1; 
-   
-     for (i = 0; i < 3; i++) { 
-         if (tv1->n.v[i] > tv2->n.v[i]) 
-             return 1; 
-         if (tv1->n.v[i] < tv2->n.v[i]) 
-             return -1; 
-     } 
-     return 0; 
- } 
-   
- // IDA: br_fraction __cdecl BrScalarToFractionClamp(br_scalar s) 
- br_fraction BrScalarToFractionClamp(br_scalar s) { 
-     if (s >= 1.0f) { 
-         return 1.0f; 
-     } 
-     if (s < -1.0f) { 
-         return -0.99999988f; 
-     } 
-     return s; 
- } 
-   
- // IDA: void __usercall PrepareFaceNormals(br_model *model@<EAX>) 
- void PrepareFaceNormals(br_model* model) { 
-     //br_vertex* vertices; // Pierre-Marie Baty -- unused variable 
-     br_vector4 v4; 
-     br_face* fp; 
-     int f; 
-   
-     for (f = 0; f < model->nfaces; f++) { 
-         fp = &model->faces[f]; 
-         BrPlaneEquation(&v4, &model->vertices[fp->vertices[0]].p, &model->vertices[fp->vertices[1]].p, &model->vertices[fp->vertices[2]].p); 
-         fp->n.v[0] = BrScalarToFractionClamp(v4.v[0]); 
-         fp->n.v[1] = BrScalarToFractionClamp(v4.v[1]); 
-         fp->n.v[2] = BrScalarToFractionClamp(v4.v[2]); 
-         fp->d = v4.v[3]; 
-     } 
- } 
-   
- // IDA: void __usercall Smoothing(br_model *model@<EAX>, br_scalar crease_limit, prep_vertex **start, prep_vertex **end) 
- void Smoothing(br_model* model, br_scalar crease_limit, prep_vertex** start, prep_vertex** end) { 
-     prep_vertex** outer; 
-     prep_vertex** inner; 
-     LOG_TRACE9("(%p, %f, %p, %p)", model, crease_limit, start, end); 
-   
-     for (outer = start; outer < end; outer++) { 
-         for (inner = start; inner < end; inner++) { 
-             if ((inner == outer) || (model->faces[(*outer)->f].smoothing & model->faces[(*inner)->f].smoothing)) { 
-                 BrVector3Accumulate(&(*outer)->n, (br_vector3*)&model->faces[(*inner)->f].n); 
-             } 
-         } 
-     } 
- } 
-   
- // IDA: void __usercall SmoothingCreased(br_model *model@<EAX>, br_scalar crease_limit, prep_vertex **start, prep_vertex **end) 
- void SmoothingCreased(br_model* model, br_scalar crease_limit, prep_vertex** start, prep_vertex** end) { 
-     br_vector3 o_n; 
-     prep_vertex** outer; 
-     prep_vertex** inner; 
-     LOG_TRACE9("(%p, %f, %p, %p)", model, crease_limit, start, end); 
-   
-     for (outer = start; outer < end; outer++) { 
-         o_n.v[0] = model->faces[(*outer)->f].n.v[0]; 
-         o_n.v[1] = model->faces[(*outer)->f].n.v[1]; 
-         o_n.v[2] = model->faces[(*outer)->f].n.v[2]; 
-         for (inner = start; inner < end; inner++) { 
-             if ((inner == outer) || ((model->faces[(*outer)->f].smoothing & model->faces[(*inner)->f].smoothing) && (BrVector3Dot((br_vector3*)&model->faces[(*inner)->f].n, &o_n) > crease_limit))) { 
-                 BrVector3Accumulate(&(*outer)->n, (br_vector3*)&model->faces[(*inner)->f].n); 
-             } 
-         } 
-     } 
- } 
-   
- // IDA: void __usercall CopyVertex(v11group *group@<EAX>, int v@<EDX>, prep_vertex *src@<EBX>, br_model *model@<ECX>) 
- void CopyVertex(v11group* group, int v, prep_vertex* src, br_model* model) { 
-     br_vertex* srcv; 
-     //br_vector3 n; // Pierre-Marie Baty -- unused variable 
-     LOG_TRACE9("(%p, %d, %p, %p)", group, v, src, model); 
-   
-     srcv = model->vertices + src->v; 
-   
-     BrVector3Sub(&group->vertices[v].p, &srcv->p, &model->pivot); 
-   
-     group->vertices[v].map = srcv->map; 
-   
-     BrVector3Normalise(&group->vertices[v].n, &src->n); 
-   
-     group->vertex_colours[v] = BR_COLOUR_RGBA(srcv->red, srcv->grn, srcv->blu, srcv->index); 
-     group->vertex_user[v] = src->v; 
- } 
-   
- // IDA: void __usercall CopyFace(v11group *group@<EAX>, int f@<EDX>, br_face *src@<EBX>, br_model *model@<ECX>) 
- void CopyFace(v11group* group, int f, br_face* src, br_model* model) { 
-     LOG_TRACE9("(%p, %d, %p, %p)", group, f, src, model); 
-   
-     group->faces[f].vertices[0] = src->vertices[0]; 
-     group->faces[f].vertices[1] = src->vertices[1]; 
-     group->faces[f].vertices[2] = src->vertices[2]; 
-     group->face_colours[f] = BR_COLOUR_RGBA(src->red, src->grn, src->blu, src->index); 
-     group->faces[f].eqn.v[0] = src->n.v[0]; 
-     group->faces[f].eqn.v[1] = src->n.v[1]; 
-     group->faces[f].eqn.v[2] = src->n.v[2]; 
-     group->faces[f].eqn.v[3] = src->d; 
-     group->face_user[f] = src - model->faces; 
- } 
-   
- // IDA: void __usercall PrepareGroups(br_model *model@<EAX>) 
- void PrepareGroups(br_model* model) { 
-     br_qsort_cbfn* vertex_compare_smoothing; 
-     br_qsort_cbfn* vertex_compare_groups; 
-     void (*smoothing_fn)(br_model*, br_scalar, prep_vertex**, prep_vertex**); 
-     //void* vp; // Pierre-Marie Baty -- unused variable 
-     br_size_t block_size; 
-     prep_vertex* temp_verts; 
-     prep_vertex* gtvp; 
-     prep_vertex** sorted_vertices; 
-     br_face* fp; 
-     int g; 
-     int f; 
-     int v; 
-     int i; 
-     int ntemps; 
-     int count; 
-     int nf; 
-     int nv; 
-     int ng; 
-     int old_count; 
-     br_scalar crease_limit; 
-     v11model* v11m; 
-     v11group* v11g; 
-     v11face* v11f; 
-     fmt_vertex* v11v; 
-     br_colour* v11fcolours; 
-     br_colour* v11vcolours; 
-     br_uint_16* v11fuser; 
-     br_uint_16* v11vuser; 
-     br_face** sorted_faces; 
-     char* cp; 
-   
-     if (model->flags & BR_MODF_DONT_WELD) { 
-         vertex_compare_smoothing = TVCompare_XYZ; 
-         vertex_compare_groups = TVCompare_MVN; 
-     } else { 
-         vertex_compare_smoothing = TVCompare_XYZ; 
-         vertex_compare_groups = TVCompare_MXYZUVN; 
-     } 
-   
-     if (model->flags & BR_MODF_CREASE) { 
-         crease_limit = BR_COS(model->crease_angle); 
-         smoothing_fn = SmoothingCreased; 
-     } else { 
-         crease_limit = BR_SCALAR(0.0); 
-         smoothing_fn = Smoothing; 
-     } 
-   
-     compareModel = model; 
-   
-     ntemps = model->nfaces * 3; 
-   
-     block_size = ntemps * (sizeof(*temp_verts) + sizeof(*sorted_vertices)) + model->nfaces * sizeof(sorted_faces); 
-     temp_verts = BrScratchAllocate(block_size); 
-   
-     BrMemSet(temp_verts, 0, block_size); 
-   
-     sorted_vertices = (struct prep_vertex**)(temp_verts + ntemps); 
-     sorted_faces = (struct br_face**)(sorted_vertices + ntemps); 
-   
-     gtvp = temp_verts; 
-     for (i = 0, f = 0, fp = model->faces; f < model->nfaces; f++, fp++) { 
-         sorted_faces[f] = fp; 
-         for (v = 0; v < 3; v++, i++, gtvp++) { 
-   
-             if (model->flags & BR_MODF_CUSTOM_NORMALS) { 
-                 TELL_ME_IF_WE_PASS_THIS_WAY(); 
-                 // gtvp->n.v[0] = model->vertices[fp->vertices[v]].n.v[0]; 
-                 // gtvp->n.v[1] = model->vertices[fp->vertices[v]].n.v[1]; 
-                 // gtvp->n.v[2] = model->vertices[fp->vertices[v]].n.v[2]; 
-             } 
-   
-             gtvp->v = fp->vertices[v]; 
-             gtvp->f = f; 
-   
-             sorted_vertices[i] = gtvp; 
-         } 
-   
-         if (fp->smoothing == 0) 
-             fp->smoothing = (br_uint_16)~0; 
-     } 
-   
-     BrQsort(sorted_faces, model->nfaces, sizeof(*sorted_faces), FacesCompare); 
-   
-     if (!(model->flags & BR_MODF_CUSTOM_NORMALS)) { 
-   
-         BrQsort(sorted_vertices, ntemps, sizeof(*sorted_vertices), vertex_compare_smoothing); 
-         for (v = 0, i = 0; v < ntemps - 1; v++) { 
-             if (vertex_compare_smoothing(sorted_vertices + v, sorted_vertices + v + 1)) { 
-                 smoothing_fn(model, crease_limit, sorted_vertices + i, sorted_vertices + v + 1); 
-                 i = v + 1; 
-             } 
-         } 
-   
-         smoothing_fn(model, crease_limit, sorted_vertices + i, sorted_vertices + ntemps); 
-     } 
-   
-     BrQsort(sorted_vertices, ntemps, sizeof(*sorted_vertices), vertex_compare_groups); 
-   
-     for (v = 0, nv = 1; v < ntemps - 1; v++) 
-         if (vertex_compare_groups(sorted_vertices + v, sorted_vertices + v + 1)) 
-             nv++; 
-   
-     for (f = 1, ng = 1; f < model->nfaces; f++) { 
-         if (sorted_faces[f]->material != sorted_faces[f - 1]->material) { 
-             ng++; 
-         } 
-     } 
-   
-     nf = model->nfaces; 
-   
-     block_size = PREP_ALIGN(sizeof(struct v11model)) + PREP_ALIGN(ng * sizeof(struct v11group)) + 
-   
-         PREP_ALIGN(nf * sizeof(*v11g->faces)) + 
-   
-         PREP_ALIGN(nv * sizeof(*v11g->vertices)) + 
-   
-         PREP_ALIGN(nf * sizeof(br_colour)) + PREP_ALIGN(nv * sizeof(br_colour)) + nv * sizeof(br_int_16) + nf * sizeof(br_int_16); 
-   
-     if (model->prepared && block_size > ((struct v11model*)(model->prepared))->size) { 
-         BrResFree(model->prepared); 
-         model->prepared = NULL; 
-     } 
-   
-     if (model->prepared == NULL) { 
-         model->prepared = BrResAllocate(model, block_size, BR_MEMORY_PREPARED_MODEL); 
-         ((struct v11model*)(model->prepared))->size = block_size; 
-     } 
-   
-     cp = model->prepared; 
-   
-     v11m = (void*)cp; 
-     cp += PREP_ALIGN(sizeof(struct v11model)); 
-     v11g = (void*)cp; 
-     cp += PREP_ALIGN(ng * sizeof(struct v11group)); 
-   
-     v11f = (void*)cp; 
-     cp += PREP_ALIGN(nf * sizeof(struct v11face)); 
-   
-     v11v = (void*)cp; 
-     cp += PREP_ALIGN(nv * sizeof(struct fmt_vertex)); 
-   
-     v11vcolours = (void*)cp; 
-     cp += PREP_ALIGN(nv * sizeof(br_colour)); 
-     v11fcolours = (void*)cp; 
-     cp += PREP_ALIGN(nf * sizeof(br_colour)); 
-   
-     v11vuser = (void*)cp; 
-     cp += nv * sizeof(br_uint_16); 
-     v11fuser = (void*)cp; 
-     cp += nf * sizeof(br_uint_16); 
-   
-     v11m->groups = v11g; 
-     v11m->ngroups = ng; 
-   
-     v11g[0].faces = v11f; 
-     v11g[0].face_colours = v11fcolours; 
-     v11g[0].face_user = v11fuser; 
-     v11g[0].stored = sorted_faces[0]->material ? sorted_faces[0]->material->stored : NULL; 
-     v11g[0].nfaces = 0; 
-   
-     for (f = 0, g = 0; f < model->nfaces - 1; f++) { 
-   
-         CopyFace(v11g + g, v11g[g].nfaces, sorted_faces[f], model); 
-         v11g[g].nfaces++; 
-   
-         if (sorted_faces[f]->material != sorted_faces[f + 1]->material) { 
-             g++; 
-             v11g[g].faces = v11f + f + 1; 
-             v11g[g].face_colours = v11fcolours + f + 1; 
-             v11g[g].face_user = v11fuser + f + 1; 
-             v11g[g].stored = sorted_faces[f + 1]->material ? sorted_faces[f + 1]->material->stored : NULL; 
-             v11g[g].nfaces = 0; 
-         } 
-     } 
-   
-     CopyFace(v11g + g, v11g[g].nfaces, sorted_faces[f], model); 
-     v11g[g].nfaces++; 
-     v11g[0].vertices = v11v; 
-   
-     v11g[0].vertex_colours = v11vcolours; 
-     v11g[0].vertex_user = v11vuser; 
-   
-     v11g[0].nvertices = 1; 
-     CopyVertex(v11g, 0, sorted_vertices[0], model); 
-   
-     for (v = 0, g = 0, count = 0; v < ntemps - 1; v++) { 
-   
-         if (model->faces[sorted_vertices[v]->f].material != model->faces[sorted_vertices[v + 1]->f].material) { 
-             g++; 
-             v11g[g].vertices = v11v + count + 1; 
-             v11g[g].vertex_colours = v11vcolours + count + 1; 
-             v11g[g].vertex_user = v11vuser + count + 1; 
-             v11g[g].nvertices = 0; 
-         } 
-   
-         old_count = count; 
-         if (vertex_compare_groups(sorted_vertices + v, sorted_vertices + v + 1)) { 
-   
-             count++; 
-             sorted_vertices[v]->v = count; 
-             CopyVertex(v11g + g, v11g[g].nvertices, sorted_vertices[v + 1], model); 
-             v11g[g].nvertices++; 
-         } 
-         sorted_vertices[v]->v = old_count; 
-     } 
-   
-     sorted_vertices[v]->v = count; 
-   
-     for (g = 0; g < ng; g++) { 
-         for (f = 0; f < v11g[g].nfaces; f++) { 
-             i = v11g[g].vertices - v11v; 
-             v = v11g[g].face_user[f] * 3; 
-             v11g[g].faces[f].vertices[0] = temp_verts[v + 0].v - i; 
-             v11g[g].faces[f].vertices[1] = temp_verts[v + 1].v - i; 
-             v11g[g].faces[f].vertices[2] = temp_verts[v + 2].v - i; 
-         } 
-     } 
-     BrScratchFree(temp_verts); 
- } 
-   
- // IDA: void __usercall PrepareBoundingRadius(br_model *model@<EAX>) 
- void PrepareBoundingRadius(br_model* model) { 
-     float d; 
-     float max = 0.0f; 
-     int v; 
-     br_vertex* vp; 
-   
-     for (v = 0; v < model->nvertices; v++) { 
-         vp = &model->vertices[v]; 
-         d = vp->p.v[1] * vp->p.v[1] + vp->p.v[0] * vp->p.v[0] + vp->p.v[2] * vp->p.v[2]; 
-         if (d > max) { 
-             max = d; 
-         } 
-     } 
-     model->radius = BrFloatSqrt(max); 
- } 
-   
- // IDA: void __usercall PrepareBoundingBox(br_model *model@<EAX>) 
- void PrepareBoundingBox(br_model* model) { 
-     int axis; 
-     int v; 
-     br_vertex* vp; 
-     br_scalar x; 
-   
-     vp = &model->vertices[0]; 
-     for (axis = 0; axis < 3; axis++) { 
-         model->bounds.min.v[axis] = vp->p.v[axis]; 
-         model->bounds.max.v[axis] = vp->p.v[axis]; 
-     } 
-   
-     for (v = 1; v < model->nvertices; v++) { 
-         vp = &model->vertices[v]; 
-         for (axis = 0; axis < 3; axis++) { 
-             x = vp->p.v[axis]; 
-             if (x > model->bounds.max.v[axis]) { 
-                 model->bounds.max.v[axis] = x; 
-             } 
-             if (x < model->bounds.min.v[axis]) { 
-                 model->bounds.min.v[axis] = x; 
-             } 
-         } 
-     } 
- } 
-   
- // IDA: void __usercall RegenerateFaceNormals(v11model *v11m@<EAX>) 
- void RegenerateFaceNormals(v11model* v11m) { 
-     int g; 
-     int f; 
-     v11face* fp; 
-     LOG_TRACE("(%p)", v11m); 
-   
-     for (g = 0; g < v11m->ngroups; g++) { 
-         for (f = 0; f < v11m->groups[g].nfaces; f++) { 
-             fp = &v11m->groups[g].faces[f]; 
-             BrPlaneEquation(&fp->eqn, 
-                 &v11m->groups->vertices[fp->vertices[0]].p, 
-                 &v11m->groups->vertices[fp->vertices[1]].p, 
-                 &v11m->groups->vertices[fp->vertices[2]].p); 
-         } 
-     } 
- } 
-   
- // IDA: void __usercall RegenerateVertexNormals(v11model *v11m@<EAX>) 
- void RegenerateVertexNormals(v11model* v11m) { 
-     int g; 
-     int v; 
-     int f; 
-     v11face* fp; 
-     fmt_vertex* vp; 
-     br_vector3* normals; 
-     LOG_TRACE("(%p)", v11m); 
-   
-     for (g = 0; g < v11m->ngroups; g++) { 
-         normals = BrScratchAllocate(v11m->groups[g].nvertices * sizeof(br_vector3)); 
-         BrMemSet(normals, 0, v11m->groups[g].nvertices * sizeof(br_vector3)); 
-         for (f = 0; f < v11m->groups[g].nfaces; f++) { 
-             fp = &v11m->groups[g].faces[f]; 
-             normals[fp->vertices[0]].v[0] += fp->eqn.v[0]; 
-             normals[fp->vertices[0]].v[1] += fp->eqn.v[1]; 
-             normals[fp->vertices[0]].v[2] += fp->eqn.v[2]; 
-             normals[fp->vertices[1]].v[0] += fp->eqn.v[0]; 
-             normals[fp->vertices[1]].v[1] += fp->eqn.v[1]; 
-             normals[fp->vertices[1]].v[2] += fp->eqn.v[2]; 
-             normals[fp->vertices[2]].v[0] += fp->eqn.v[0]; 
-             normals[fp->vertices[2]].v[1] += fp->eqn.v[1]; 
-             normals[fp->vertices[2]].v[2] += fp->eqn.v[2]; 
-         } 
-         for (v = 0; v < v11m->groups[g].nvertices; v++) { 
-             vp = &v11m->groups[g].vertices[v]; 
-             // FIXME: use inlined variant? BR_VECTOR3_NORMALISE (unsure about exact naming) 
-             BrVector3Normalise(&vp->n, &normals[v]); 
-         } 
-   
-         BrScratchFree(normals); 
-     } 
- } 
-   
- // IDA: void __cdecl BrModelUpdate(br_model *model, br_uint_16 flags) 
- void BrModelUpdate(br_model* model, br_uint_16 flags) { 
-     int g; 
-     int f; 
-     int v; 
-     v11model* v11m; 
-     fmt_vertex* fvp; 
-     //v11face* ffp; // Pierre-Marie Baty -- unused variable 
-     br_vertex* vp; 
-     br_face* fp; 
-     LOG_TRACE("(%p, %d)", model, flags); 
-   
-     if (model->flags & BR_MODF_PREPREPARED) { 
-         return; 
-     } 
-     if (model->faces == NULL || model->vertices == NULL) { 
-         BrFailure("BrModelUpdate: model has no faces or vertices (%s)", model->identifier != NULL ? model->identifier : "<NULL>"); 
-     } 
-     if (flags & BR_MODU_PIVOT) { 
-         flags |= BR_MODU_VERTEX_POSITIONS; 
-     } 
-     if (model->flags & (BR_MODF_KEEP_ORIGINAL | BR_MODF_GENERATE_TAGS)) { 
-         model->flags |= BR_MODF_UPDATEABLE; 
-     } 
-     if (!(model->flags & BR_MODF_CUSTOM_BOUNDS) && (flags & (BR_MODU_PRIMITIVE_COLOURS | BR_MODU_VERTEX_NORMALS | BR_MODU_VERTEX_POSITIONS))) { 
-         PrepareBoundingRadius(model); 
-         PrepareBoundingBox(model); 
-     } 
-     if (!model->prepared || flags & 0xFFD0) { 
-         if (!model->faces || !model->vertices) { 
-             return; 
-         } 
-         PrepareFaceNormals(model); 
-         f = 0; 
-         fp = model->faces; 
-         model->flags &= ~MODF_USES_DEFAULT; 
-         for (f = 0; f < model->nfaces; f++) { 
-             fp = &model->faces[f]; 
-             if (!fp->material) { 
-                 model->flags |= MODF_USES_DEFAULT; 
-             } 
-   
-             for (v = 0; v < 3; v++) { 
-                 if (fp->vertices[v] >= model->nvertices) { 
-                     BrFailure("face references invalid vertex f=%d v=%d", f, v); 
-                 } 
-             } 
-         } 
-   
-         PrepareGroups(model); 
-         v11m = model->prepared; 
-   
-         if (v11m) { 
-             for (g = 0; g < v11m->ngroups; g++) { 
-                 // prepareEdges(&v11m->groups[g], model); 
-             } 
-         } else { 
-             LOG_DEBUG("has prepared model FALSE"); 
-         } 
-     } else { 
-   
-         // some additional code paths might exist, but maybe not used? 
-         if (flags != BR_MODU_VERTEX_POSITIONS) { 
-             TELL_ME_IF_WE_PASS_THIS_WAY(); 
-         } 
-   
-         v11m = model->prepared; 
-   
-         if (model->vertices && (flags & BR_MODU_VERTEX_POSITIONS)) { 
-             for (g = 0; g < v11m->ngroups; g++) { 
-                 for (v = 0; v < v11m->groups[g].nvertices; v++) { 
-                     fvp = &v11m->groups[g].vertices[v]; 
-                     vp = model->vertices + v11m->groups[g].vertex_user[v]; 
-   
-                     if (flags & BR_MODU_VERTEX_POSITIONS) { 
-                         fvp->p.v[0] = vp->p.v[0] - model->pivot.v[0]; 
-                         fvp->p.v[1] = vp->p.v[1] - model->pivot.v[1]; 
-                         fvp->p.v[2] = vp->p.v[2] - model->pivot.v[2]; 
-                     } 
-                 } 
-             } 
-         } 
-   
-         if (flags & BR_MODU_VERTEX_POSITIONS) { 
-             if (!(model->flags & BR_MODF_CUSTOM_NORMALS)) { 
-                 RegenerateVertexNormals(v11m); 
-             } 
-             RegenerateFaceNormals(v11m); 
-         } 
-     } 
-   
-     if (!(model->flags & BR_MODF_UPDATEABLE)) { 
-         if (model->faces) { 
-             BrResFree(model->faces); 
-         } 
-         if (model->vertices) { 
-             BrResFree(model->vertices); 
-         } 
-         model->vertices = NULL; 
-         model->nfaces = 0; 
-         model->nvertices = 0; 
-         model->faces = NULL; 
-     } 
-   
-     if (model->stored) { 
-         ((br_object*)model->stored)->dispatch->_free((br_object*)model->stored); 
-         model->stored = NULL; 
-     } 
-   
-     // Added by dethrace 
-     gHarness_platform.Renderer_BufferModel(model); 
- } 
-   
- // IDA: void __usercall BrModelClear(br_model *model@<EAX>) 
- void BrModelClear(br_model* model) { 
-     LOG_TRACE("(%p)", model); 
-   
-     // remove prepared mesh 
-     if (model->prepared != NULL) { 
-         BrResFree(model->prepared); 
-         model->prepared = NULL; 
-     } 
-     if (model->stored != NULL) { 
-         ((br_object*)model->stored)->dispatch->_free((br_object*)model->stored); 
-         model->stored = NULL; 
-     } 
- } 
-