Differential D3101 Diff 10387 source/blender/editors/curve/editcurve_undo.c

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source/blender/editors/curve/editcurve_undo.c

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*		*
* *** END GPL LICENSE BLOCK ***		* *** END GPL LICENSE BLOCK ***
*/		*/

/** \file blender/editors/curve/editcurve_undo.c		/** \file blender/editors/curve/editcurve_undo.c
* \ingroup edcurve		* \ingroup edcurve
*/		*/

		#include "MEM_guardedalloc.h"

		#include "CLG_log.h"

#include "DNA_object_types.h"		#include "DNA_object_types.h"
#include "DNA_scene_types.h"		#include "DNA_scene_types.h"
#include "DNA_anim_types.h"		#include "DNA_anim_types.h"

#include "MEM_guardedalloc.h"

#include "BLI_blenlib.h"		#include "BLI_blenlib.h"
#include "BLI_ghash.h"		#include "BLI_ghash.h"
#include "BLI_array_utils.h"		#include "BLI_array_utils.h"

#include "BKE_context.h"		#include "BKE_context.h"
#include "BKE_curve.h"		#include "BKE_curve.h"
#include "BKE_fcurve.h"		#include "BKE_fcurve.h"
		#include "BKE_layer.h"
#include "BKE_library.h"		#include "BKE_library.h"
#include "BKE_animsys.h"		#include "BKE_animsys.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_undo.h"
#include "ED_util.h"		#include "ED_util.h"
#include "ED_curve.h"		#include "ED_curve.h"

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

#include "curve_intern.h"		#include "curve_intern.h"

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

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

typedef struct {		typedef struct {
ListBase nubase;		ListBase nubase;
int actvert;		int actvert;
GHash *undoIndex;		GHash *undoIndex;
▲ Show 20 Lines • Show All 121 Lines • ▼ Show 20 Lines	static Object editcurve_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 CurveUndoStep {		typedef struct CurveUndoStep_Elem {
UndoStep step;
/* note: will split out into list for multi-object-editmode. */
UndoRefID_Object obedit_ref;		UndoRefID_Object obedit_ref;
UndoCurve data;		UndoCurve data;
		} CurveUndoStep_Elem;

		typedef struct CurveUndoStep {
		UndoStep step;
		CurveUndoStep_Elem *elems;
		uint elems_len;
} CurveUndoStep;		} CurveUndoStep;

static bool curve_undosys_poll(bContext *C)		static bool curve_undosys_poll(bContext *C)
{		{
Object *obedit = editcurve_object_from_context(C);		Object *obedit = editcurve_object_from_context(C);
return (obedit != NULL);		return (obedit != NULL);
}		}

static bool curve_undosys_step_encode(struct bContext C, UndoStep us_p)		static bool curve_undosys_step_encode(struct bContext C, UndoStep us_p)
{		{
CurveUndoStep us = (CurveUndoStep )us_p;		CurveUndoStep us = (CurveUndoStep )us_p;
us->obedit_ref.ptr = editcurve_object_from_context(C);
undocurve_from_editcurve(&us->data, us->obedit_ref.ptr->data, us->obedit_ref.ptr->shapenr);		ViewLayer *view_layer = CTX_data_view_layer(C);
us->step.data_size = us->data.undo_size;		uint objects_len = 0;
		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];
		CurveUndoStep_Elem *elem = &us->elems[i];

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

static void curve_undosys_step_decode(struct bContext C, UndoStep us_p, int UNUSED(dir))		static void curve_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(curve_undosys_poll(C));		BLI_assert(curve_undosys_poll(C));

CurveUndoStep us = (CurveUndoStep )us_p;		CurveUndoStep us = (CurveUndoStep )us_p;
Object *obedit = us->obedit_ref.ptr;
undocurve_to_editcurve(&us->data, obedit->data, &obedit->shapenr);		for (uint i = 0; i < us->elems_len; i++) {
		CurveUndoStep_Elem *elem = &us->elems[i];
		Object *obedit = elem->obedit_ref.ptr;
		Curve *cu = obedit->data;
		if (cu->editnurb == 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;
		}
		undocurve_to_editcurve(&elem->data, obedit->data, &obedit->shapenr);
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 curve_undosys_step_free(UndoStep *us_p)		static void curve_undosys_step_free(UndoStep *us_p)
{		{
CurveUndoStep us = (CurveUndoStep )us_p;		CurveUndoStep us = (CurveUndoStep )us_p;
undocurve_free_data(&us->data);
		for (uint i = 0; i < us->elems_len; i++) {
		CurveUndoStep_Elem *elem = &us->elems[i];
		undocurve_free_data(&elem->data);
		}
		MEM_freeN(us->elems);
}		}

static void curve_undosys_foreach_ID_ref(		static void curve_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)
{		{
CurveUndoStep us = (CurveUndoStep )us_p;		CurveUndoStep us = (CurveUndoStep )us_p;
foreach_ID_ref_fn(user_data, ((UndoRefID *)&us->obedit_ref));
		for (uint i = 0; i < us->elems_len; i++) {
		CurveUndoStep_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_curve_undosys_type(UndoType *ut)		void ED_curve_undosys_type(UndoType *ut)
{		{
ut->name = "Edit Curve";		ut->name = "Edit Curve";
ut->poll = curve_undosys_poll;		ut->poll = curve_undosys_poll;
ut->step_encode = curve_undosys_step_encode;		ut->step_encode = curve_undosys_step_encode;
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