#pragma region License
/******************************************************************************
This file is part of the PolyVox library
Copyright (C) 2006  David Williams

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.
******************************************************************************/
#pragma endregion

#include "PolyVoxCore/IndexedSurfacePatch.h"

using namespace std;

namespace PolyVox
{
	IndexedSurfacePatch::IndexedSurfacePatch()
	{
	}

	IndexedSurfacePatch::~IndexedSurfacePatch()	  
	{
	}

	const std::vector<uint32>& IndexedSurfacePatch::getIndices(void) const
	{
		return m_vecTriangleIndices;
	}

	uint32 IndexedSurfacePatch::getNoOfIndices(void) const
	{
		return m_vecTriangleIndices.size();
	}	

	uint32 IndexedSurfacePatch::getNoOfNonUniformTrianges(void) const
	{
		uint32 result = 0;
		for(uint32 i = 0; i < m_vecTriangleIndices.size() - 2; i += 3)
		{
			if((m_vecVertices[m_vecTriangleIndices[i]].getMaterial() == m_vecVertices[m_vecTriangleIndices[i+1]].getMaterial())
			&& (m_vecVertices[m_vecTriangleIndices[i]].getMaterial() == m_vecVertices[m_vecTriangleIndices[i+2]].getMaterial()))
			{
			}
			else
			{
				result++;
			}
		}
		return result;
	}

	uint32 IndexedSurfacePatch::getNoOfUniformTrianges(void) const
	{
		uint32 result = 0;
		for(uint32 i = 0; i < m_vecTriangleIndices.size() - 2; i += 3)
		{
			if((m_vecVertices[m_vecTriangleIndices[i]].getMaterial() == m_vecVertices[m_vecTriangleIndices[i+1]].getMaterial())
			&& (m_vecVertices[m_vecTriangleIndices[i]].getMaterial() == m_vecVertices[m_vecTriangleIndices[i+2]].getMaterial()))
			{
				result++;
			}
		}
		return result;
	}

	uint32 IndexedSurfacePatch::getNoOfVertices(void) const
	{
		return m_vecVertices.size();
	}

	std::vector<SurfaceVertex>& IndexedSurfacePatch::getRawVertexData(void)
	{
		return m_vecVertices;
	}

	const std::vector<SurfaceVertex>& IndexedSurfacePatch::getVertices(void) const
	{
		return m_vecVertices;
	}		

	void IndexedSurfacePatch::addTriangle(uint32 index0, uint32 index1, uint32 index2)
	{
		m_vecTriangleIndices.push_back(index0);
		m_vecTriangleIndices.push_back(index1);
		m_vecTriangleIndices.push_back(index2);
	}

	uint32 IndexedSurfacePatch::addVertex(const SurfaceVertex& vertex)
	{
		m_vecVertices.push_back(vertex);
		return m_vecVertices.size() - 1;
	}

	void IndexedSurfacePatch::clear(void)
	{
		m_vecVertices.clear();
		m_vecTriangleIndices.clear();
	}

	const bool IndexedSurfacePatch::isEmpty(void) const
	{
		return (getNoOfVertices() == 0) || (getNoOfIndices() == 0);
	}

	
}