1 files changed, 118 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/nla.c b/source/blender/blenkernel/intern/nla.c
new file mode 100644
index 00000000000..40851b27c6c
--- /dev/null
+++ b/source/blender/blenkernel/intern/nla.c
@@ -0,0 +1,118 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL 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. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+
+#include <stdlib.h>
+
+#include "BKE_nla.h"
+#include "BKE_blender.h"
+
+#include "BLI_blenlib.h"
+
+#include "DNA_space_types.h"
+#include "DNA_nla_types.h"
+#include "DNA_action_types.h"
+#include "DNA_ID.h"
+#include "DNA_ipo_types.h"
+
+#include "MEM_guardedalloc.h"
+
+void copy_actionstrip (bActionStrip **dst, bActionStrip **src){
+	bActionStrip *dstrip;
+	bActionStrip *sstrip = *src;
+
+	if (!*src){
+		*dst=NULL;
+		return;
+	}
+
+	*dst = MEM_dupallocN(sstrip);
+
+	dstrip = *dst;
+	if (dstrip->act)
+		dstrip->act->id.us++;
+
+	if (dstrip->ipo)
+		dstrip->ipo->id.us++;
+}
+
+void copy_nlastrips (ListBase *dst, ListBase *src)
+{
+	bActionStrip *strip;
+
+	dst->first=dst->last=NULL;
+
+	duplicatelist (dst, src);
+
+	/* Update specific data */
+	if (!dst->first)
+		return;
+
+	for (strip = dst->first; strip; strip=strip->next){
+		if (strip->act)
+			strip->act->id.us++;
+		if (strip->ipo)
+			strip->ipo->id.us++;
+	}
+}
+
+
+void free_actionstrip(bActionStrip* strip)
+{
+	if (!strip)
+		return;
+
+	if (strip->act){
+		strip->act->id.us--;
+		strip->act = NULL;
+	}
+	if (strip->ipo){
+		strip->ipo->id.us--;
+		strip->ipo = NULL;
+	}
+}
+
+void free_nlastrips (ListBase *nlalist)
+{
+	bActionStrip *strip;
+
+	if (!nlalist->first)
+		return;
+
+	/* Do any specific freeing */
+	for (strip=nlalist->first; strip; strip=strip->next)
+	{
+		free_actionstrip (strip);
+	};
+
+	/* Free the whole list */
+	BLI_freelistN(nlalist);
+}