diff options
Diffstat (limited to 'source/blender/editors/mesh/editmesh_utils.c')
| -rw-r--r-- | source/blender/editors/mesh/editmesh_utils.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/source/blender/editors/mesh/editmesh_utils.c b/source/blender/editors/mesh/editmesh_utils.c index 533ead1ff29..c3fbb2e8c16 100644 --- a/source/blender/editors/mesh/editmesh_utils.c +++ b/source/blender/editors/mesh/editmesh_utils.c @@ -58,6 +58,52 @@ #include "mesh_intern.h" +/* mesh backup implementation. This would greatly benefit from some sort of binary diffing + * just as the undo stack would. So leaving this as an interface for further work */ + +BMBackup EDBM_redo_state_store(BMEditMesh *em) +{ + BMBackup backup; + backup.bmcopy = BM_mesh_copy(em->bm); + return backup; +} + +void EDBM_redo_state_restore(BMBackup backup, BMEditMesh *em, int recalctess) +{ + BMesh *tmpbm; + if (!em || !backup.bmcopy) + return; + + BM_mesh_data_free(em->bm); + tmpbm = BM_mesh_copy(backup.bmcopy); + *em->bm = *tmpbm; + MEM_freeN(tmpbm); + tmpbm = NULL; + + if (recalctess) + BMEdit_RecalcTessellation(em); +} + +void EDBM_redo_state_free(BMBackup *backup, BMEditMesh *em, int recalctess) +{ + if (em && backup->bmcopy) { + BM_mesh_data_free(em->bm); + *em->bm = *backup->bmcopy; + } + else if (backup->bmcopy) { + BM_mesh_data_free(backup->bmcopy); + } + + if (backup->bmcopy) + MEM_freeN(backup->bmcopy); + backup->bmcopy = NULL; + + if (recalctess && em) + BMEdit_RecalcTessellation(em); +} + + + void EDBM_mesh_normals_update(BMEditMesh *em) { BM_mesh_normals_update(em->bm, TRUE); |