diff options
Diffstat (limited to 'source/blender/editors/mesh/editmesh_undo.c')
| -rw-r--r-- | source/blender/editors/mesh/editmesh_undo.c | 135 |
1 files changed, 108 insertions, 27 deletions
diff --git a/source/blender/editors/mesh/editmesh_undo.c b/source/blender/editors/mesh/editmesh_undo.c index ab91f4b34c7..aeb343707da 100644 --- a/source/blender/editors/mesh/editmesh_undo.c +++ b/source/blender/editors/mesh/editmesh_undo.c @@ -29,16 +29,25 @@ #include "DNA_key_types.h" #include "BLI_listbase.h" +#include "BLI_array_utils.h" +#include "BLI_alloca.h" #include "BKE_DerivedMesh.h" #include "BKE_context.h" #include "BKE_key.h" #include "BKE_mesh.h" #include "BKE_editmesh.h" +#include "BKE_undo_system.h" +#include "DEG_depsgraph.h" + +#include "ED_object.h" #include "ED_mesh.h" #include "ED_util.h" +#include "WM_types.h" +#include "WM_api.h" + #define USE_ARRAY_STORE #ifdef USE_ARRAY_STORE @@ -60,6 +69,9 @@ # include "BLI_task.h" #endif +/* -------------------------------------------------------------------- */ +/** \name Undo Conversion + * \{ */ #ifdef USE_ARRAY_STORE @@ -95,6 +107,8 @@ typedef struct UndoMesh { BArrayState *mselect; } store; #endif /* USE_ARRAY_STORE */ + + size_t undo_size; } UndoMesh; @@ -474,23 +488,17 @@ static void um_arraystore_free(UndoMesh *um) /* for callbacks */ /* undo simply makes copies of a bmesh */ -static void *editbtMesh_to_undoMesh(void *emv, void *obdata) +static void *undomesh_from_editmesh(UndoMesh *um, BMEditMesh *em, Key *key) { - + BLI_assert(BLI_array_is_zeroed(um, 1)); #ifdef USE_ARRAY_STORE_THREAD /* changes this waits is low, but must have finished */ if (um_arraystore.task_pool) { BLI_task_pool_work_and_wait(um_arraystore.task_pool); } #endif - - BMEditMesh *em = emv; - Mesh *obme = obdata; - - UndoMesh *um = MEM_callocN(sizeof(UndoMesh), "undo Mesh"); - /* make sure shape keys work */ - um->me.key = obme->key ? BKE_key_copy_nolib(obme->key) : NULL; + um->me.key = key ? BKE_key_copy_nolib(key) : NULL; /* BM_mesh_validate(em->bm); */ /* for troubleshooting */ @@ -536,13 +544,12 @@ static void *editbtMesh_to_undoMesh(void *emv, void *obdata) return um; } -static void undoMesh_to_editbtMesh(void *um_v, void *em_v, void *obdata) +static void undomesh_to_editmesh(UndoMesh *um, BMEditMesh *em, Mesh *obmesh) { - BMEditMesh *em = em_v, *em_tmp; + BMEditMesh *em_tmp; Object *ob = em->ob; - UndoMesh *um = um_v; BMesh *bm; - Key *key = ((Mesh *) obdata)->key; + Key *key = obmesh->key; #ifdef USE_ARRAY_STORE #ifdef USE_ARRAY_STORE_THREAD @@ -615,9 +622,8 @@ static void undoMesh_to_editbtMesh(void *um_v, void *em_v, void *obdata) #endif } -static void free_undo(void *um_v) +static void undomesh_free_data(UndoMesh *um) { - UndoMesh *um = um_v; Mesh *me = &um->me; #ifdef USE_ARRAY_STORE @@ -644,28 +650,103 @@ static void free_undo(void *um_v) } BKE_mesh_free(me); - MEM_freeN(me); } -static void *getEditMesh(bContext *C) +static Object *editmesh_object_from_context(bContext *C) { Object *obedit = CTX_data_edit_object(C); if (obedit && obedit->type == OB_MESH) { Mesh *me = obedit->data; - return me->edit_btmesh; + if (me->edit_btmesh != NULL) { + return obedit; + } } return NULL; } -/* and this is all the undo system needs to know */ -void undo_push_mesh(bContext *C, const char *name) +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Implements ED Undo System + * \{ */ + +typedef struct MeshUndoStep { + UndoStep step; + /* Use for all ID lookups (can be NULL). */ + struct UndoIDPtrMap *id_map; + + /* note: will split out into list for multi-object-editmode. */ + UndoRefID_Object obedit_ref; + /* Needed for MTexPoly's image use. */ + UndoRefID_Object *image_array_ref; + UndoMesh data; +} MeshUndoStep; + +static bool mesh_undosys_poll(bContext *C) { - /* em->ob gets out of date and crashes on mesh undo, - * this is an easy way to ensure its OK - * though we could investigate the matter further. */ - Object *obedit = CTX_data_edit_object(C); - BMEditMesh *em = BKE_editmesh_from_object(obedit); - em->ob = obedit; + return editmesh_object_from_context(C) != NULL; +} + +static bool mesh_undosys_step_encode(struct bContext *C, UndoStep *us_p) +{ + MeshUndoStep *us = (MeshUndoStep *)us_p; + us->obedit_ref.ptr = editmesh_object_from_context(C); + Mesh *me = us->obedit_ref.ptr->data; + undomesh_from_editmesh(&us->data, me->edit_btmesh, me->key); + us->step.data_size = us->data.undo_size; + return true; +} + +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. */ + ED_object_mode_set(C, OB_MODE_EDIT); + BLI_assert(mesh_undosys_poll(C)); + + MeshUndoStep *us = (MeshUndoStep *)us_p; + Object *obedit = us->obedit_ref.ptr; + Mesh *me = obedit->data; + BMEditMesh *em = me->edit_btmesh; + undomesh_to_editmesh(&us->data, em, obedit->data); + DEG_id_tag_update(&obedit->id, OB_RECALC_DATA); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, NULL); +} + +static void mesh_undosys_step_free(UndoStep *us_p) +{ + MeshUndoStep *us = (MeshUndoStep *)us_p; + undomesh_free_data(&us->data); - undo_editmode_push(C, name, getEditMesh, free_undo, undoMesh_to_editbtMesh, editbtMesh_to_undoMesh, NULL); + if (us->id_map != NULL) { + BKE_undosys_ID_map_destroy(us->id_map); + } } + +static void mesh_undosys_foreach_ID_ref( + UndoStep *us_p, UndoTypeForEachIDRefFn foreach_ID_ref_fn, void *user_data) +{ + MeshUndoStep *us = (MeshUndoStep *)us_p; + foreach_ID_ref_fn(user_data, ((UndoRefID *)&us->obedit_ref)); + if (us->id_map != NULL) { + BKE_undosys_ID_map_foreach_ID_ref(us->id_map, foreach_ID_ref_fn, user_data); + } +} + +/* Export for ED_undo_sys. */ +void ED_mesh_undosys_type(UndoType *ut) +{ + ut->name = "Edit Mesh"; + ut->poll = mesh_undosys_poll; + ut->step_encode = mesh_undosys_step_encode; + ut->step_decode = mesh_undosys_step_decode; + ut->step_free = mesh_undosys_step_free; + + ut->step_foreach_ID_ref = mesh_undosys_foreach_ID_ref; + + ut->mode = BKE_UNDOTYPE_MODE_STORE; + ut->use_context = true; + + ut->step_size = sizeof(MeshUndoStep); +} + +/** \} */ |