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Fix: Clear mesh runtime cache when adding elements

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Currently the RNA functions to add mesh elements like vertices
don't clear the runtime cache of things like triangulation, BVH
trees, etc. This is important, since they might be accessed with
incorrect sizes. This is split from a fix for T95839.
This commit is contained in:
Hans Goudey
2022-02-22 11:14:50 -05:00
parent ca991e3012
commit 353fe610ed
1 changed files with 9 additions and 0 deletions
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9
source/blender/editors/mesh/mesh_data.c
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@@ -37,6 +37,7 @@
#include "BKE_customdata.h"
#include "BKE_editmesh.h"
#include "BKE_mesh.h"
#include "BKE_mesh_runtime.h"
#include "BKE_report.h"
#include "DEG_depsgraph.h"
@@ -1126,6 +1127,8 @@ static void mesh_add_verts(Mesh *mesh, int len)
mesh->vdata = vdata;
BKE_mesh_update_customdata_pointers(mesh, false);
BKE_mesh_runtime_clear_cache(mesh);
/* scan the input list and insert the new vertices */
/* set default flags */
@@ -1162,6 +1165,8 @@ static void mesh_add_edges(Mesh *mesh, int len)
mesh->edata = edata;
BKE_mesh_update_customdata_pointers(mesh, false); /* new edges don't change tessellation */
BKE_mesh_runtime_clear_cache(mesh);
/* set default flags */
medge = &mesh->medge[mesh->totedge];
for (i = 0; i < len; i++, medge++) {
@@ -1190,6 +1195,8 @@ static void mesh_add_loops(Mesh *mesh, int len)
CustomData_add_layer(&ldata, CD_MLOOP, CD_CALLOC, NULL, totloop);
}
BKE_mesh_runtime_clear_cache(mesh);
CustomData_free(&mesh->ldata, mesh->totloop);
mesh->ldata = ldata;
BKE_mesh_update_customdata_pointers(mesh, true);
@@ -1221,6 +1228,8 @@ static void mesh_add_polys(Mesh *mesh, int len)
mesh->pdata = pdata;
BKE_mesh_update_customdata_pointers(mesh, true);
BKE_mesh_runtime_clear_cache(mesh);
/* set default flags */
mpoly = &mesh->mpoly[mesh->totpoly];
for (i = 0; i < len; i++, mpoly++) {