Moved all headers from 'PolyVoxCore' to 'PolyVox', as we no longer have the core/util distinction.

include/PolyVox/Picking.h

@@ -0,0 +1,49 @@
+/*******************************************************************************
+Copyright (c) 2013 Matt Williams
+
+This software is provided 'as-is', without any express or implied
+warranty. In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+    claim that you wrote the original software. If you use this software
+    in a product, an acknowledgment in the product documentation would be
+    appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must not be
+    misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source
+    distribution.
+*******************************************************************************/
+
+#ifndef __PolyVox_Picking_H__
+#define __PolyVox_Picking_H__
+
+#include "PolyVox/Vector.h"
+
+namespace PolyVox
+{
+	/**
+	 * A structure containing the information about a picking operation
+	 */
+	struct PickResult
+	{
+		PickResult() : didHit(false) {}
+		bool didHit; ///< Did the picking operation hit anything
+		Vector3DInt32 hitVoxel; ///< The location of the solid voxel it hit
+		Vector3DInt32 previousVoxel; ///< The location of the voxel before the one it hit
+	};
+	
+	/// Pick the first solid voxel along a vector
+	template<typename VolumeType>
+	PickResult pickVoxel(VolumeType* volData, const Vector3DFloat& v3dStart, const Vector3DFloat& v3dDirectionAndLength, const typename VolumeType::VoxelType& emptyVoxelExample);
+}
+
+#include "PolyVox/Picking.inl"
+
+#endif //__PolyVox_Picking_H__