void ResetEditMesh()
{
free_vertlist(&gEditMesh.verts);
free_edgelist(&gEditMesh.edges);
free_facelist(&gEditMesh.faces);
if(gEditMesh.hashedgetab != NULL)
{
MEM_freeN(gEditMesh.hashedgetab);
gEditMesh.hashedgetab = NULL;
}
if(VertsList != NULL) delete[] VertsList;
VertsList = NULL;
}
/* do not free editmesh itself here */
void free_editMesh(EditMesh *em)
{
if(em==NULL) return;
if(em->verts.first) free_vertlist(em, &em->verts);
if(em->edges.first) free_edgelist(em, &em->edges);
if(em->faces.first) free_facelist(em, &em->faces);
if(em->selected.first) BLI_freelistN(&(em->selected));
CustomData_free(&em->vdata, 0);
CustomData_free(&em->fdata, 0);
if(em->derivedFinal) {
if (em->derivedFinal!=em->derivedCage) {
em->derivedFinal->needsFree= 1;
em->derivedFinal->release(em->derivedFinal);
}
em->derivedFinal= NULL;
}
if(em->derivedCage) {
em->derivedCage->needsFree= 1;
em->derivedCage->release(em->derivedCage);
em->derivedCage= NULL;
}
/* DEBUG: hashtabs are slowest part of enter/exit editmode. here a testprint */
#if 0
if(em->hashedgetab) {
HashEdge *he, *hen;
int a, used=0, max=0, nr;
he= em->hashedgetab;
for(a=0; a<EDHASHSIZE; a++, he++) {
if(he->eed) used++;
hen= he->next;
nr= 0;
while(hen) {
nr++;
hen= hen->next;
}
if(max<nr) max= nr;
}
printf("hastab used %d max %d\n", used, max);
}
#endif
if(em->hashedgetab) MEM_freeN(em->hashedgetab);
em->hashedgetab= NULL;
if(em->allverts) MEM_freeN(em->allverts);
if(em->alledges) MEM_freeN(em->alledges);
if(em->allfaces) MEM_freeN(em->allfaces);
em->allverts= em->curvert= NULL;
em->alledges= em->curedge= NULL;
em->allfaces= em->curface= NULL;
mesh_octree_table(NULL, NULL, NULL, 'e');
mesh_mirrtopo_table(NULL, 'e');
em->totvert= em->totedge= em->totface= 0;
em->act_face = NULL;
}
static Object* createRepresentation(bContext *C, struct recast_polyMesh *pmesh, struct recast_polyMeshDetail *dmesh, Base* base)
{
float co[3], rot[3];
EditMesh *em;
int i,j, k;
unsigned short* v;
int face[3];
Scene *scene= CTX_data_scene(C);
Object* obedit;
int createob= base==NULL;
int nverts, nmeshes, nvp;
unsigned short *verts, *polys;
unsigned int *meshes;
float bmin[3], cs, ch, *dverts;
unsigned char *tris;
zero_v3(co);
zero_v3(rot);
if(createob) {
/* create new object */
obedit= ED_object_add_type(C, OB_MESH, co, rot, FALSE, 1);
}
else {
obedit= base->object;
scene_select_base(scene, base);
copy_v3_v3(obedit->loc, co);
copy_v3_v3(obedit->rot, rot);
}
ED_object_enter_editmode(C, EM_DO_UNDO|EM_IGNORE_LAYER);
em= BKE_mesh_get_editmesh(((Mesh *)obedit->data));
if(!createob) {
/* clear */
if(em->verts.first) free_vertlist(em, &em->verts);
if(em->edges.first) free_edgelist(em, &em->edges);
if(em->faces.first) free_facelist(em, &em->faces);
if(em->selected.first) BLI_freelistN(&(em->selected));
}
/* create verts for polygon mesh */
verts= recast_polyMeshGetVerts(pmesh, &nverts);
recast_polyMeshGetBoundbox(pmesh, bmin, NULL);
recast_polyMeshGetCell(pmesh, &cs, &ch);
for(i= 0; i<nverts; i++) {
v= &verts[3*i];
co[0]= bmin[0] + v[0]*cs;
co[1]= bmin[1] + v[1]*ch;
co[2]= bmin[2] + v[2]*cs;
SWAP(float, co[1], co[2]);
addvertlist(em, co, NULL);
}
/* create custom data layer to save polygon idx */
CustomData_add_layer_named(&em->fdata, CD_RECAST, CD_CALLOC, NULL, 0, "createRepresentation recastData");
/* create verts and faces for detailed mesh */
meshes= recast_polyMeshDetailGetMeshes(dmesh, &nmeshes);
polys= recast_polyMeshGetPolys(pmesh, NULL, &nvp);
dverts= recast_polyMeshDetailGetVerts(dmesh, NULL);
tris= recast_polyMeshDetailGetTris(dmesh, NULL);
for(i= 0; i<nmeshes; i++) {
int uniquevbase= em->totvert;
unsigned int vbase= meshes[4*i+0];
unsigned short ndv= meshes[4*i+1];
unsigned short tribase= meshes[4*i+2];
unsigned short trinum= meshes[4*i+3];
const unsigned short* p= &polys[i*nvp*2];
int nv= 0;
for(j= 0; j < nvp; ++j) {
if(p[j]==0xffff) break;
nv++;
}
/* create unique verts */
for(j= nv; j<ndv; j++) {
copy_v3_v3(co, &dverts[3*(vbase + j)]);
SWAP(float, co[1], co[2]);
addvertlist(em, co, NULL);
}
EM_init_index_arrays(em, 1, 0, 0);
/* create faces */
for(j= 0; j<trinum; j++) {
unsigned char* tri= &tris[4*(tribase+j)];
EditFace* newFace;
int* polygonIdx;
for(k= 0; k<3; k++) {
if(tri[k]<nv)
face[k]= p[tri[k]]; /* shared vertex */
else
face[k]= uniquevbase+tri[k]-nv; /* unique vertex */
}
newFace= addfacelist(em, EM_get_vert_for_index(face[0]), EM_get_vert_for_index(face[2]),
EM_get_vert_for_index(face[1]), NULL, NULL, NULL);
/* set navigation polygon idx to the custom layer */
polygonIdx= (int*)CustomData_em_get(&em->fdata, newFace->data, CD_RECAST);
*polygonIdx= i+1; /* add 1 to avoid zero idx */
}
EM_free_index_arrays();
}
recast_destroyPolyMesh(pmesh);
recast_destroyPolyMeshDetail(dmesh);
BKE_mesh_end_editmesh((Mesh*)obedit->data, em);
DAG_id_tag_update((ID*)obedit->data, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
ED_object_exit_editmode(C, EM_FREEDATA);
WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, obedit);
if(createob) {
obedit->gameflag&= ~OB_COLLISION;
obedit->gameflag|= OB_NAVMESH;
obedit->body_type= OB_BODY_TYPE_NAVMESH;
rename_id((ID *)obedit, "Navmesh");
}
BKE_mesh_ensure_navmesh(obedit->data);
return obedit;
}
