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Work on refactoring basic voxel types.

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Also, this will probably cause a compile error on Linux but I'm committing anyway so I remember to investigate it...
This commit is contained in:
David Williams
2012-01-13 21:55:23 +00:00
parent 49b5fb3f67
commit a79633de09
5 changed files with 106 additions and 13 deletions
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63
library/PolyVoxCore/include/PolyVoxCore/Density.h
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@ -83,23 +83,70 @@ namespace PolyVox
DensityType m_uDensity;
};
typedef Density<uint8_t> Density8;
// These are the predefined density types. The 8-bit types are sufficient for many purposes (including
// most games) but 16-bit and float types do have uses particularly in medical/scientific visualisation.
typedef Density<int8_t> DensityI8;
typedef Density<uint8_t> DensityU8;
typedef Density<int16_t> DensityI16;
typedef Density<uint16_t> DensityU16;
typedef Density<float> DensityFloat;
typedef Density<double> DensityDouble;
// These types are here for backwards compatibility but they are a little ambiguous as the name doesn't indicate
// whether the values are signed. We would recommend using one of the 8 or 16 bit predefined types above instead.
typedef Density<uint8_t> Density8;
typedef Density<uint16_t> Density16;
template<typename Type>
class VoxelTypeTraits< Density<Type> >
// We have to define all the min and max values explicitly here rather than using std::numeric_limits because we need
// compile time constants. The new 'constexpr' would help here but it's not supported by all compilers at the moment.
template<>
class VoxelTypeTraits< Density<int8_t> >
{
public:
const static Type MinDensity = 0;
const static Type MaxDensity = 255;
const static int8_t MinDensity = -127;
const static int8_t MaxDensity = 127;
};
template<>
class VoxelTypeTraits< Density<uint8_t> >
{
public:
const static uint8_t MinDensity = 0;
const static uint8_t MaxDensity = 255;
};
template<>
class VoxelTypeTraits< Density<int16_t> >
{
public:
const static int16_t MinDensity = -32767;
const static int16_t MaxDensity = 32767;
};
template<>
class VoxelTypeTraits< Density<uint16_t> >
{
public:
const static uint16_t MinDensity = 0;
const static uint16_t MaxDensity = 65535;
};
//Constants for float defined in .cpp file as they are not integers.
template<>
class VoxelTypeTraits< DensityFloat >
class VoxelTypeTraits< Density<float> >
{
public:
const static float MinDensity = -1000000.0f;
const static float MaxDensity = 1000000.0f;
const static float MinDensity;
const static float MaxDensity;
};
//Constants for double defined in .cpp file as they are not integers.
template<>
class VoxelTypeTraits< Density<double> >
{
public:
const static double MinDensity;
const static double MaxDensity;
};
}