1 files changed, 51 insertions, 0 deletions
diff --git a/source/blender/depsgraph/DEG_depsgraph_physics.h b/source/blender/depsgraph/DEG_depsgraph_physics.h
new file mode 100644
index 00000000000..6bffe0c2358
--- /dev/null
+++ b/source/blender/depsgraph/DEG_depsgraph_physics.h
@@ -0,0 +1,51 @@
+/*
+ * ***** 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) 2018 Blender Foundation.
+ * All rights reserved.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/depsgraph/DEG_depsgraph_physics.h
+ *  \ingroup depsgraph
+ *
+ * Physics utilities for effectors and collision.
+ */
+
+#ifndef __DEG_DEPSGRAPH_PHYSICS_H__
+#define __DEG_DEPSGRAPH_PHYSICS_H__
+
+#include "DEG_depsgraph.h"
+
+struct Colllection;
+struct Depsgraph;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Get effector relations from collection or entire scene during evaluation,
+ * these are created during depsgraph relations building. */
+struct ListBase *DEG_get_effector_relations(const struct Depsgraph *depsgraph,
+                                            struct Collection *collection);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif  /* __DEG_DEPSGRAPH_PHYSICS_H__ */