Initial checkin of IteratorController

library/PolyVoxCore/include/PolyVoxCore/IteratorController.h

@@ -0,0 +1,44 @@
+/*******************************************************************************
+Copyright (c) 2005-2009 David 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_IteratorController_H__
+#define __PolyVox_IteratorController_H__
+
+namespace PolyVox
+{
+	template <typename IteratorType>
+	class IteratorController
+	{
+	public:
+		void reset(void);
+		bool moveForward(void);
+
+	public:
+		Region m_regValid;
+		IteratorType* m_Iter;
+	};
+}
+
+#include "PolyVoxCore/IteratorController.inl"
+
+#endif //__PolyVox_IteratorController_H__

library/PolyVoxCore/include/PolyVoxCore/IteratorController.inl

@@ -0,0 +1,63 @@
+/*******************************************************************************
+Copyright (c) 2005-2009 David 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. 	
+*******************************************************************************/
+
+namespace PolyVox
+{
+	template <typename IteratorType>
+	void IteratorController<IteratorType>::reset(void)
+	{
+		m_Iter->setPosition(m_regValid.getLowerCorner());
+	}
+
+	template <typename IteratorType>
+	bool IteratorController<IteratorType>::moveForward(void)
+	{
+		Vector3DInt32 v3dInitialPosition(m_Iter->getPosX(), m_Iter->getPosY(), m_Iter->getPosZ());
+
+		if(v3dInitialPosition.getX() < m_regValid.getUpperCorner().getX())
+		{
+			m_Iter->movePositiveX();
+			return true;
+		}
+
+		v3dInitialPosition.setX(m_regValid.getLowerCorner().getX());
+
+		if(v3dInitialPosition.getY() < m_regValid.getUpperCorner().getY())
+		{
+			v3dInitialPosition.setY(v3dInitialPosition.getY() + 1);
+			m_Iter->setPosition(v3dInitialPosition);
+			return true;
+		}
+
+		v3dInitialPosition.setY(m_regValid.getLowerCorner().getY());
+
+		if(v3dInitialPosition.getZ() < m_regValid.getUpperCorner().getZ())
+		{
+			v3dInitialPosition.setZ(v3dInitialPosition.getZ() + 1);
+			m_Iter->setPosition(v3dInitialPosition);
+			return true;
+		}
+
+		return false;
+	}
+}