Differential D6526 Diff 20626 source/blender/blenkernel/intern/editmesh.c

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source/blender/blenkernel/intern/editmesh.c

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*/		*/

/** \file		/** \file
* \ingroup bke		* \ingroup bke
*/		*/

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

		#include "DNA_key_types.h"
#include "DNA_listBase.h"		#include "DNA_listBase.h"
#include "DNA_object_types.h"		#include "DNA_object_types.h"
#include "DNA_mesh_types.h"		#include "DNA_mesh_types.h"

#include "BLI_math.h"		#include "BLI_math.h"
		#include "BLI_listbase.h"

#include "BKE_editmesh.h"		#include "BKE_editmesh.h"
#include "BKE_cdderivedmesh.h"		#include "BKE_cdderivedmesh.h"
#include "BKE_library.h"		#include "BKE_library.h"
#include "BKE_mesh.h"		#include "BKE_mesh.h"
#include "BKE_mesh_iterators.h"		#include "BKE_mesh_iterators.h"
#include "BKE_object.h"		#include "BKE_object.h"

▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	# ifndef NDEBUG
if (((Mesh *)ob->data)->edit_mesh) {		if (((Mesh *)ob->data)->edit_mesh) {
BLI_assert(((Mesh *)ob->data)->edit_mesh->ob == ob);		BLI_assert(((Mesh *)ob->data)->edit_mesh->ob == ob);
}		}
# endif		# endif
#endif		#endif
return ((Mesh *)ob->data)->edit_mesh;		return ((Mesh *)ob->data)->edit_mesh;
}		}

		/**
		* \warning This can invalidate the #Mesh runtime cache of other objects (for linked duplicates).
		* Most callers should run #DEG_id_tag_update on \a ob->data, see: T46738, T46913
		*/
		void BKE_editmesh_load_ex(struct Main bmain, BMEditMesh em, bool free_data)
		{
		Object *ob = em->ob;
		Mesh *me = ob->data;
		BLI_assert(me->edit_mesh == em);
		BMesh *bm = me->edit_mesh->bm;

		/* Workaround for T42360, 'ob->shapenr' should be 1 in this case.
		* however this isn't synchronized between objects at the moment. */
		if (UNLIKELY((ob->shapenr == 0) && (me->key && !BLI_listbase_is_empty(&me->key->block)))) {
		bm->shapenr = 1;
		}

		BM_mesh_bm_to_me(bmain,
		bm,
		me,
		(&(struct BMeshToMeshParams){
		.calc_object_remap = true,
		.update_shapekey_indices = !free_data,
		}));

		/* Free derived mesh. usually this would happen through depsgraph but there
		* are exceptions like file save that will not cause this, and we want to
		* avoid ending up with an invalid derived mesh then.
		*
		* Do it for all objects which shares the same mesh datablock, since their
		* derived meshes might also be referencing data which was just freed,
		*
		* Annoying enough, but currently seems most efficient way to avoid access
		* of freed data on scene update, especially in cases when there are dependency
		* cycles.
		*/
		#if 0
		for (Object *other_object = bmain->objects.first; other_object != NULL;
		other_object = other_object->id.next) {
		if (other_object->data == ob->data) {
		BKE_object_free_derived_caches(other_object);
		}
		}
		#endif
		}

		void BKE_editmesh_load(struct Main bmain, BMEditMesh em)
		{
		BKE_editmesh_load_ex(bmain, em, true);
		}

static void editmesh_tessface_calc_intern(BMEditMesh *em)		static void editmesh_tessface_calc_intern(BMEditMesh *em)
{		{
/* allocating space before calculating the tessellation */		/* allocating space before calculating the tessellation */

BMesh *bm = em->bm;		BMesh *bm = em->bm;

/* This assumes all faces can be scan-filled, which isn't always true,		/* This assumes all faces can be scan-filled, which isn't always true,
* worst case we over allocate a little which is acceptable. */		* worst case we over allocate a little which is acceptable. */
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