1 files changed, 101 insertions, 0 deletions
diff --git a/source/blender/editors/hair/hair_object_particles.c b/source/blender/editors/hair/hair_object_particles.c
new file mode 100644
index 00000000000..a6d05327482
--- /dev/null
+++ b/source/blender/editors/hair/hair_object_particles.c
@@ -0,0 +1,101 @@
+/*
+ * ***** 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_particles.c
+ *  \ingroup edhair
+ */
+
+#include <stdlib.h>
+
+#include "MEM_guardedalloc.h"
+
+#include "BLI_utildefines.h"
+
+#include "DNA_mesh_types.h"
+#include "DNA_object_types.h"
+#include "DNA_particle_types.h"
+#include "DNA_scene_types.h"
+
+#include "BKE_cdderivedmesh.h"
+#include "BKE_DerivedMesh.h"
+#include "BKE_editstrands.h"
+#include "BKE_particle.h"
+
+#include "bmesh.h"
+
+#include "hair_intern.h"
+
+bool ED_hair_object_has_hair_particle_data(Object *ob)
+{
+	ParticleSystem *psys = psys_get_current(ob);
+	if (psys && psys->part->type == PART_HAIR)
+		return true;
+	
+	return false;
+}
+
+bool ED_hair_object_init_particle_edit(Scene *scene, Object *ob)
+{
+	ParticleSystem *psys = psys_get_current(ob);
+	BMesh *bm;
+	DerivedMesh *dm;
+	
+	if (psys && psys->part->type == PART_HAIR) {
+		if (!psys->hairedit) {
+			bm = BKE_particles_to_bmesh(ob, psys);
+			
+			if (ob->type == OB_MESH || ob->derivedFinal)
+				dm = ob->derivedFinal ? ob->derivedFinal : mesh_get_derived_final(scene, ob, CD_MASK_BAREMESH);
+			else
+				dm = NULL;
+			
+			psys->hairedit = BKE_editstrands_create(bm, dm, NULL);
+		}
+		return true;
+	}
+	
+	return false;
+}
+
+bool ED_hair_object_apply_particle_edit(Object *ob)
+{
+	ParticleSystem *psys = psys_get_current(ob);
+	if (psys && psys->part->type == PART_HAIR) {
+		if (psys->hairedit) {
+			BKE_particles_from_bmesh(ob, psys);
+			psys->flag |= PSYS_EDITED;
+			
+			BKE_editstrands_free(psys->hairedit);
+			MEM_freeN(psys->hairedit);
+			psys->hairedit = NULL;
+		}
+		
+		return true;
+	}
+	
+	return false;
+}