Differential D3101 Diff 10399 source/blender/editors/metaball/editmball_undo.c

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source/blender/editors/metaball/editmball_undo.c

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* \ingroup edmeta		* \ingroup edmeta
*/		*/

#include <math.h>		#include <math.h>
#include <string.h>		#include <string.h>

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

		#include "CLG_log.h"

#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_listbase.h"		#include "BLI_listbase.h"
#include "BLI_array_utils.h"		#include "BLI_array_utils.h"

#include "DNA_defs.h"		#include "DNA_defs.h"
#include "DNA_meta_types.h"		#include "DNA_meta_types.h"
#include "DNA_object_types.h"		#include "DNA_object_types.h"

#include "BKE_context.h"		#include "BKE_context.h"
		#include "BKE_layer.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_mball.h"		#include "ED_mball.h"
		#include "ED_undo.h"
#include "ED_util.h"		#include "ED_util.h"

#include "WM_types.h"		#include "WM_types.h"
#include "WM_api.h"		#include "WM_api.h"

		/** We only need this locally. */
		static CLG_LogRef LOG = {"ed.undo.mball"};

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name Undo Conversion		/** \name Undo Conversion
* \{ */		* \{ */

typedef struct UndoMBall {		typedef struct UndoMBall {
ListBase editelems;		ListBase editelems;
int lastelem_index;		int lastelem_index;
size_t undo_size;		size_t undo_size;
▲ Show 20 Lines • Show All 67 Lines • ▼ Show 20 Lines	static Object editmball_object_from_context(bContext C)
}		}
return NULL;		return NULL;
}		}

/** \} */		/** \} */

/* -------------------------------------------------------------------- */		/* -------------------------------------------------------------------- */
/** \name Implements ED Undo System		/** \name Implements ED Undo System
		*
		* \note This is similar for all edit-mode types.
* \{ */		* \{ */

typedef struct MBallUndoStep {		typedef struct MBallUndoStep_Elem {
UndoStep step;
/* note: will split out into list for multi-object-editmode. */
UndoRefID_Object obedit_ref;		UndoRefID_Object obedit_ref;
UndoMBall data;		UndoMBall data;
		} MBallUndoStep_Elem;

		typedef struct MBallUndoStep {
		UndoStep step;
		MBallUndoStep_Elem *elems;
		uint elems_len;
} MBallUndoStep;		} MBallUndoStep;

static bool mball_undosys_poll(bContext *C)		static bool mball_undosys_poll(bContext *C)
{		{
return editmball_object_from_context(C) != NULL;		return editmball_object_from_context(C) != NULL;
}		}

static bool mball_undosys_step_encode(struct bContext C, UndoStep us_p)		static bool mball_undosys_step_encode(struct bContext C, UndoStep us_p)
{		{
MBallUndoStep us = (MBallUndoStep )us_p;		MBallUndoStep us = (MBallUndoStep )us_p;
us->obedit_ref.ptr = editmball_object_from_context(C);
MetaBall *mb = us->obedit_ref.ptr->data;		ViewLayer *view_layer = CTX_data_view_layer(C);
editmball_from_undomball(&us->data, mb);		uint objects_len = 0;
us->step.data_size = us->data.undo_size;		Object **objects = BKE_view_layer_array_from_objects_in_mode(
		view_layer, &objects_len, {
		.object_mode = OB_MODE_EDIT,
		.no_dup_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];
		MBallUndoStep_Elem *elem = &us->elems[i];

		elem->obedit_ref.ptr = ob;
		MetaBall *mb = ob->data;
		editmball_from_undomball(&elem->data, mb);
		us->step.data_size += elem->data.undo_size;
		}
		MEM_freeN(objects);
return true;		return true;
}		}

static void mball_undosys_step_decode(struct bContext C, UndoStep us_p, int UNUSED(dir))		static void mball_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);		ED_object_mode_set(C, OB_MODE_EDIT);
		BLI_assert(mball_undosys_poll(C));

MBallUndoStep us = (MBallUndoStep )us_p;		MBallUndoStep us = (MBallUndoStep )us_p;
Object *obedit = us->obedit_ref.ptr;
		for (uint i = 0; i < us->elems_len; i++) {
		MBallUndoStep_Elem *elem = &us->elems[i];
		Object *obedit = elem->obedit_ref.ptr;
MetaBall *mb = obedit->data;		MetaBall *mb = obedit->data;
undomball_to_editmball(&us->data, mb);		if (mb->editelems == NULL) {
		/* Should never fail, may not crash but can give odd behavior. */
		CLOG_ERROR(&LOG, "name='%s', failed to enter edit-mode for object '%s', undo state invalid", us_p->name, obedit->id.name);
		continue;
		}
		undomball_to_editmball(&elem->data, mb);
DEG_id_tag_update(&obedit->id, OB_RECALC_DATA);		DEG_id_tag_update(&obedit->id, OB_RECALC_DATA);
		}

		/* The first element is always active */
		ED_undo_object_set_active_or_warn(CTX_data_view_layer(C), us->elems[0].obedit_ref.ptr, us_p->name, &LOG);

WM_event_add_notifier(C, NC_GEOM \| ND_DATA, NULL);		WM_event_add_notifier(C, NC_GEOM \| ND_DATA, NULL);
}		}

static void mball_undosys_step_free(UndoStep *us_p)		static void mball_undosys_step_free(UndoStep *us_p)
{		{
MBallUndoStep us = (MBallUndoStep )us_p;		MBallUndoStep us = (MBallUndoStep )us_p;
undomball_free_data(&us->data);
		for (uint i = 0; i < us->elems_len; i++) {
		MBallUndoStep_Elem *elem = &us->elems[i];
		undomball_free_data(&elem->data);
		}
		MEM_freeN(us->elems);
}		}

static void mball_undosys_foreach_ID_ref(		static void mball_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)
{		{
MBallUndoStep us = (MBallUndoStep )us_p;		MBallUndoStep us = (MBallUndoStep )us_p;
foreach_ID_ref_fn(user_data, ((UndoRefID *)&us->obedit_ref));
		for (uint i = 0; i < us->elems_len; i++) {
		MBallUndoStep_Elem *elem = &us->elems[i];
		foreach_ID_ref_fn(user_data, ((UndoRefID *)&elem->obedit_ref));
		}
}		}

/* Export for ED_undo_sys. */		/* Export for ED_undo_sys. */
void ED_mball_undosys_type(UndoType *ut)		void ED_mball_undosys_type(UndoType *ut)
{		{
ut->name = "Edit MBall";		ut->name = "Edit MBall";
ut->poll = mball_undosys_poll;		ut->poll = mball_undosys_poll;
ut->step_encode = mball_undosys_step_encode;		ut->step_encode = mball_undosys_step_encode;
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