bmesh: fixed merge issues with navmesh (though I've not tested if it works yet).

[blender.git] / source / blender / bmesh / intern / bmesh_mesh.c

diff --git a/source/blender/bmesh/intern/bmesh_mesh.c b/source/blender/bmesh/intern/bmesh_mesh.c
index d77ea8b5cc50266b18c9f080f808a75f7cec6fad..cd75c301358b5e6b08cf30ca8be097302c3d3b13 100644 (file)
--- a/source/blender/bmesh/intern/bmesh_mesh.c
+++ b/source/blender/bmesh/intern/bmesh_mesh.c
@@ -160,6 +160,47 @@ void BM_Free_Mesh_Data(BMesh *bm)
        BMO_ClearStack(bm);
 }
 
+void BM_Clear_Mesh(BMesh *bm)
+{
+       /*allocate the structure*/
+       int vsize, esize, lsize, fsize, lstsize;
+       /*I really need to make the allocation sizes defines, there's no reason why the API
+         should allow client code to mess around with this - joeedh*/
+       int allocsize[5] = {512, 512, 512, 2048, 512};
+       Object *ob = bm->ob;
+       
+       /*free old mesh*/
+       BM_Free_Mesh_Data(bm);
+       memset(bm, 0, sizeof(BMesh));
+       
+       /*re-initialize mesh*/
+       vsize = sizeof(BMVert);
+       esize = sizeof(BMEdge);
+       lsize = sizeof(BMLoop);
+       fsize = sizeof(BMFace);
+       lstsize = sizeof(BMLoopList);
+
+       bm->ob = ob;
+       
+   /*allocate the memory pools for the mesh elements*/
+       bm->vpool = BLI_mempool_create(vsize, allocsize[0], allocsize[0], 0, 1);
+       bm->epool = BLI_mempool_create(esize, allocsize[1], allocsize[1], 0, 1);
+       bm->lpool = BLI_mempool_create(lsize, allocsize[2], allocsize[2], 0, 0);
+       bm->looplistpool = BLI_mempool_create(lstsize, allocsize[3], allocsize[3], 0, 0);
+       bm->fpool = BLI_mempool_create(fsize, allocsize[4], allocsize[4], 0, 1);
+
+       /*allocate one flag pool that we dont get rid of.*/
+       bm->toolflagpool = BLI_mempool_create(sizeof(BMFlagLayer), 512, 512, 0, 0);
+       bm->stackdepth = 1;
+       bm->totflags = 1;
+}
+
+/*     
+ *     BMESH FREE MESH
+ *
+ *     Frees a BMesh structure.
+*/
+
 void BM_Free_Mesh(BMesh *bm)
 {
        BM_Free_Mesh_Data(bm);