97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#ifndef __PolyVox_Material_H__
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#define __PolyVox_Material_H__
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#include "Impl/TypeDef.h"
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#include "PolyVoxCore/DefaultIsQuadNeeded.h" //we'll specialise this function for this voxel type
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#include <cassert>
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namespace PolyVox
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{
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///This class represents a voxel storing only a material.
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////////////////////////////////////////////////////////////////////////////////
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/// Detailed description...
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///
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/// \sa Density, MaterialDensityPair
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////////////////////////////////////////////////////////////////////////////////
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// int32_t template parameter is a dummy, required as the compiler expects to be able to declare an
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// instance of VoxelType::DensityType without knowing that VoxelType doesn't actually have a density.
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template <typename Type>
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class Material
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{
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public:
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Material() : m_uMaterial(0) {}
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Material(Type uMaterial) : m_uMaterial(uMaterial) {}
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bool operator==(const Material& rhs) const
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{
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return (m_uMaterial == rhs.m_uMaterial);
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};
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bool operator!=(const Material& rhs) const
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{
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return !(*this == rhs);
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}
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/// \return The current material value of the voxel
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Type getMaterial() const { return m_uMaterial; }
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/**
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* Set the material value of the voxel
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*
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* \param uMaterial The material to set to
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*/
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void setMaterial(Type uMaterial) { m_uMaterial = uMaterial; }
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private:
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Type m_uMaterial;
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};
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typedef Material<uint8_t> Material8;
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typedef Material<uint16_t> Material16;
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template<typename Type>
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class DefaultIsQuadNeeded< Material<Type> >
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{
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public:
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bool operator()(Material<Type> back, Material<Type> front, uint32_t& materialToUse)
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{
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if((back.getMaterial() > 0) && (front.getMaterial() == 0))
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{
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materialToUse = static_cast<uint32_t>(back.getMaterial());
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return true;
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}
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else
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{
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return false;
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}
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}
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};
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}
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#endif //__PolyVox_Material_H__
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