Copy irrlichtmt to <root>/irr/

irr/include/ECullingTypes.h

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+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#pragma once
+
+#include "irrTypes.h"
+
+namespace irr
+{
+namespace scene
+{
+
+//! An enumeration for all types of automatic culling for built-in scene nodes
+enum E_CULLING_TYPE
+{
+	EAC_OFF = 0,
+	EAC_BOX = 1,
+	EAC_FRUSTUM_BOX = 2,
+	EAC_FRUSTUM_SPHERE = 4,
+	EAC_OCC_QUERY = 8
+};
+
+//! Names for culling type
+const c8 *const AutomaticCullingNames[] = {
+		"false",
+		"box",            // camera box against node box
+		"frustum_box",    // camera frustum against node box
+		"frustum_sphere", // camera frustum against node sphere
+		"occ_query",      // occlusion query
+		0,
+	};
+
+} // end namespace scene
+} // end namespace irr