Copy irrlichtmt to <root>/irr/

irr/include/ISceneCollisionManager.h

@@ -0,0 +1,33 @@
+// 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 "IReferenceCounted.h"
+#include "position2d.h"
+#include "line3d.h"
+
+namespace irr
+{
+
+namespace scene
+{
+class ICameraSceneNode;
+
+class ISceneCollisionManager : public virtual IReferenceCounted
+{
+public:
+	//! Returns a 3d ray which would go through the 2d screen coordinates.
+	/** \param pos: Screen coordinates in pixels.
+	\param camera: Camera from which the ray starts. If null, the
+	active camera is used.
+	\return Ray starting from the position of the camera and ending
+	at a length of the far value of the camera at a position which
+	would be behind the 2d screen coordinates. */
+	virtual core::line3d<f32> getRayFromScreenCoordinates(
+			const core::position2d<s32> &pos, const ICameraSceneNode *camera = 0) = 0;
+};
+
+} // end namespace scene
+} // end namespace irr