1 files changed, 112 insertions, 0 deletions
diff --git a/source/blender/editors/armature/editarmature_undo.c b/source/blender/editors/armature/editarmature_undo.c
new file mode 100644
index 00000000000..36e6ec4ba7f
--- /dev/null
+++ b/source/blender/editors/armature/editarmature_undo.c
@@ -0,0 +1,112 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * Contributor(s): Blender Foundation, 2002-2009 full recode.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/armature/editarmature_undo.c
+ *  \ingroup edarmature
+ */
+
+#include "DNA_armature_types.h"
+#include "DNA_object_types.h"
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_math.h"
+
+#include "BKE_context.h"
+
+#include "ED_armature.h"
+#include "ED_util.h"
+
+typedef struct UndoArmature {
+	EditBone *act_edbone;
+	ListBase lb;
+} UndoArmature;
+
+static void undoBones_to_editBones(void *uarmv, void *armv, void *UNUSED(data))
+{
+	UndoArmature *uarm = uarmv;
+	bArmature *arm = armv;
+	EditBone *ebone;
+
+	ED_armature_ebone_listbase_free(arm->edbo);
+	ED_armature_ebone_listbase_copy(arm->edbo, &uarm->lb);
+
+	/* active bone */
+	if (uarm->act_edbone) {
+		ebone = uarm->act_edbone;
+		arm->act_edbone = ebone->temp.ebone;
+	}
+	else {
+		arm->act_edbone = NULL;
+	}
+
+	ED_armature_ebone_listbase_temp_clear(arm->edbo);
+}
+
+static void *editBones_to_undoBones(void *armv, void *UNUSED(obdata))
+{
+	bArmature *arm = armv;
+	UndoArmature *uarm;
+	EditBone *ebone;
+
+	uarm = MEM_callocN(sizeof(UndoArmature), "listbase undo");
+
+	ED_armature_ebone_listbase_copy(&uarm->lb, arm->edbo);
+
+	/* active bone */
+	if (arm->act_edbone) {
+		ebone = arm->act_edbone;
+		uarm->act_edbone = ebone->temp.ebone;
+	}
+
+	ED_armature_ebone_listbase_temp_clear(&uarm->lb);
+
+	return uarm;
+}
+
+static void free_undoBones(void *uarmv)
+{
+	UndoArmature *uarm = uarmv;
+
+	ED_armature_ebone_listbase_free(&uarm->lb);
+
+	MEM_freeN(uarm);
+}
+
+static void *get_armature_edit(bContext *C)
+{
+	Object *obedit = CTX_data_edit_object(C);
+	if (obedit && obedit->type == OB_ARMATURE) {
+		return obedit->data;
+	}
+	return NULL;
+}
+
+/* and this is all the undo system needs to know */
+void undo_push_armature(bContext *C, const char *name)
+{
+	// XXX solve getdata()
+	undo_editmode_push(C, name, get_armature_edit, free_undoBones, undoBones_to_editBones, editBones_to_undoBones, NULL);
+}