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Differential D3101 Diff 10323 source/blender/editors/mesh/editmesh_undo.c

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source/blender/editors/mesh/editmesh_undo.c

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* \ingroup edmesh * \ingroup edmesh
*/ */
#include "MEM_guardedalloc.h" #include "MEM_guardedalloc.h"
#include "DNA_mesh_types.h" #include "DNA_mesh_types.h"
#include "DNA_object_types.h" #include "DNA_object_types.h"
#include "DNA_key_types.h" #include "DNA_key_types.h"
#include "DNA_layer_types.h"
#include "BLI_listbase.h" #include "BLI_listbase.h"
#include "BLI_array_utils.h" #include "BLI_array_utils.h"
#include "BLI_alloca.h" #include "BLI_alloca.h"
#include "BKE_DerivedMesh.h" #include "BKE_DerivedMesh.h"
#include "BKE_context.h" #include "BKE_context.h"
#include "BKE_key.h" #include "BKE_key.h"
#include "BKE_layer.h"
#include "BKE_mesh.h" #include "BKE_mesh.h"
#include "BKE_editmesh.h" #include "BKE_editmesh.h"
#include "BKE_undo_system.h" #include "BKE_undo_system.h"
#include "DEG_depsgraph.h" #include "DEG_depsgraph.h"
#include "ED_object.h" #include "ED_object.h"
#include "ED_mesh.h" #include "ED_mesh.h"
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} }
/** \} */ /** \} */
/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
/** \name Implements ED Undo System /** \name Implements ED Undo System
* \{ */ * \{ */
typedef struct MeshUndoStep_Elem {
struct MeshUndoStep_Elem *next, *prev;
UndoRefID_Object obedit_ref;
UndoMesh data;
} MeshUndoStep_Elem;
typedef struct MeshUndoStep { typedef struct MeshUndoStep {
UndoStep step; UndoStep step;
/* Use for all ID lookups (can be NULL). */
struct UndoIDPtrMap *id_map; struct UndoIDPtrMap *id_map;
MeshUndoStep_Elem *elems;
/* note: will split out into list for multi-object-editmode. */ uint elems_len;
UndoRefID_Object obedit_ref;
UndoMesh data;
} MeshUndoStep; } MeshUndoStep;
static bool mesh_undosys_poll(bContext *C) static bool mesh_undosys_poll(bContext *C)
{ {
return editmesh_object_from_context(C) != NULL; return editmesh_object_from_context(C) != NULL;
} }
static bool mesh_undosys_step_encode(struct bContext *C, UndoStep *us_p) static bool mesh_undosys_step_encode(struct bContext *C, UndoStep *us_p)
{ {
MeshUndoStep *us = (MeshUndoStep *)us_p; MeshUndoStep *us = (MeshUndoStep *)us_p;
us->obedit_ref.ptr = editmesh_object_from_context(C);
Mesh *me = us->obedit_ref.ptr->data; ViewLayer *view_layer = CTX_data_view_layer(C);
undomesh_from_editmesh(&us->data, me->edit_btmesh, me->key); uint objects_len = 0;
us->step.data_size = us->data.undo_size; Object **objects = BKE_view_layer_array_from_objects_in_edit_mode(
view_layer, &objects_len,
.no_dupe_data = true);
us->elems = MEM_callocN(sizeof(*us->elems) * objects_len, __func__);
us->elems_len = objects_len;
for (uint i = 0; i < objects_len; i++) {
Object *ob = objects[i];
MeshUndoStep_Elem *elem = &us->elems[i];
elem->obedit_ref.ptr = ob;
Mesh *me = elem->obedit_ref.ptr->data;
undomesh_from_editmesh(&elem->data, me->edit_btmesh, me->key);
us->step.data_size += elem->data.undo_size;
}
return true; return true;
} }
static void mesh_undosys_step_decode(struct bContext *C, UndoStep *us_p, int UNUSED(dir)) static void mesh_undosys_step_decode(struct bContext *C, UndoStep *us_p, int UNUSED(dir))
{ {
/* TODO(campbell): undo_system: use low-level API to set mode. */ /* TODO(campbell): undo_system: use low-level API to set mode. */
ED_object_mode_set(C, OB_MODE_EDIT); ED_object_mode_set(C, OB_MODE_EDIT);
BLI_assert(mesh_undosys_poll(C)); BLI_assert(mesh_undosys_poll(C));
MeshUndoStep *us = (MeshUndoStep *)us_p; MeshUndoStep *us = (MeshUndoStep *)us_p;
Object *obedit = us->obedit_ref.ptr;
for (uint i = 0; i < us->elems_len; i++) {
MeshUndoStep_Elem *elem = &us->elems[i];
Object *obedit = elem->obedit_ref.ptr;
Mesh *me = obedit->data; Mesh *me = obedit->data;
BMEditMesh *em = me->edit_btmesh; BMEditMesh *em = me->edit_btmesh;
undomesh_to_editmesh(&us->data, em, obedit->data); undomesh_to_editmesh(&elem->data, em, obedit->data);
DEG_id_tag_update(&obedit->id, OB_RECALC_DATA); DEG_id_tag_update(&obedit->id, OB_RECALC_DATA);
}
WM_event_add_notifier(C, NC_GEOM | ND_DATA, NULL); WM_event_add_notifier(C, NC_GEOM | ND_DATA, NULL);
} }
static void mesh_undosys_step_free(UndoStep *us_p) static void mesh_undosys_step_free(UndoStep *us_p)
{ {
MeshUndoStep *us = (MeshUndoStep *)us_p; MeshUndoStep *us = (MeshUndoStep *)us_p;
undomesh_free_data(&us->data);
for (uint i = 0; i < us->elems_len; i++) {
MeshUndoStep_Elem *elem = &us->elems[i];
undomesh_free_data(&elem->data);
}
MEM_freeN(us->elems);
if (us->id_map != NULL) { if (us->id_map != NULL) {
BKE_undosys_ID_map_destroy(us->id_map); BKE_undosys_ID_map_destroy(us->id_map);
} }
} }
static void mesh_undosys_foreach_ID_ref( static void mesh_undosys_foreach_ID_ref(
UndoStep *us_p, UndoTypeForEachIDRefFn foreach_ID_ref_fn, void *user_data) UndoStep *us_p, UndoTypeForEachIDRefFn foreach_ID_ref_fn, void *user_data)
{ {
MeshUndoStep *us = (MeshUndoStep *)us_p; MeshUndoStep *us = (MeshUndoStep *)us_p;
foreach_ID_ref_fn(user_data, ((UndoRefID *)&us->obedit_ref));
for (uint i = 0; i < us->elems_len; i++) {
MeshUndoStep_Elem *elem = &us->elems[i];
foreach_ID_ref_fn(user_data, ((UndoRefID *)&elem->obedit_ref));
}
if (us->id_map != NULL) { if (us->id_map != NULL) {
BKE_undosys_ID_map_foreach_ID_ref(us->id_map, foreach_ID_ref_fn, user_data); BKE_undosys_ID_map_foreach_ID_ref(us->id_map, foreach_ID_ref_fn, user_data);
} }
} }
/* Export for ED_undo_sys. */ /* Export for ED_undo_sys. */
void ED_mesh_undosys_type(UndoType *ut) void ED_mesh_undosys_type(UndoType *ut)
{ {
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