1 files changed, 104 insertions, 0 deletions
diff --git a/source/blender/editors/hair/hair_object_cachelib.c b/source/blender/editors/hair/hair_object_cachelib.c
new file mode 100644
index 00000000000..576d8cd2c9d
--- /dev/null
+++ b/source/blender/editors/hair/hair_object_cachelib.c
@@ -0,0 +1,104 @@
+/*
+ * ***** 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) Blender Foundation
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): Lukas Toenne
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/editors/hair/hair_object_cachelib.c
+ *  \ingroup edhair
+ */
+
+#include <stdlib.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+
+#include "DNA_cache_library_types.h"
+#include "DNA_mesh_types.h"
+#include "DNA_object_types.h"
+#include "DNA_scene_types.h"
+#include "DNA_strands_types.h"
+
+#include "BKE_anim.h"
+#include "BKE_cache_library.h"
+#include "BKE_cdderivedmesh.h"
+#include "BKE_DerivedMesh.h"
+#include "BKE_editstrands.h"
+#include "BKE_strands.h"
+
+#include "bmesh.h"
+
+#include "hair_intern.h"
+
+bool ED_hair_object_has_hair_cache_data(Object *ob)
+{
+	return BKE_cache_modifier_strands_key_get(ob, NULL, NULL, NULL, NULL, NULL, NULL);
+}
+
+bool ED_hair_object_init_cache_edit(Object *ob)
+{
+	StrandsKeyCacheModifier *skmd;
+	DerivedMesh *dm;
+	Strands *strands;
+	float mat[4][4];
+	
+	if (!BKE_cache_modifier_strands_key_get(ob, &skmd, &dm, &strands, NULL, NULL, mat))
+		return false;
+	
+	if (!skmd->edit) {
+		BMesh *bm = BKE_cache_strands_to_bmesh(strands, skmd->key, mat, skmd->shapenr, dm);
+		
+		skmd->edit = BKE_editstrands_create(bm, dm, mat);
+	}
+	
+	return true;
+}
+
+bool ED_hair_object_apply_cache_edit(Object *ob)
+{
+	StrandsKeyCacheModifier *skmd;
+	DerivedMesh *dm;
+	Strands *strands;
+	DupliObjectData *dobdata;
+	const char *name;
+	float mat[4][4];
+	
+	if (!BKE_cache_modifier_strands_key_get(ob, &skmd, &dm, &strands, &dobdata, &name, mat))
+		return false;
+	
+	if (skmd->edit) {
+		Strands *nstrands;
+		
+		nstrands = BKE_cache_strands_from_bmesh(skmd->edit, skmd->key, mat, dm);
+		
+		BKE_dupli_object_data_add_strands(dobdata, name, nstrands);
+		
+		BKE_editstrands_free(skmd->edit);
+		MEM_freeN(skmd->edit);
+		skmd->edit = NULL;
+	}
+	
+	return true;
+}