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Added functions for accessing compressed data in block.

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This commit is contained in:
David Williams 2013-06-22 12:16:52 +02:00
parent 785ac611b9
commit e80fa3de7d
2 changed files with 37 additions and 0 deletions
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3
library/PolyVoxCore/include/PolyVoxCore/Impl/Block.h
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@ -51,10 +51,13 @@ namespace PolyVox
public:
Block(uint16_t uSideLength = 0);
const uint8_t* getCompressedData(void) const;
const uint32_t getCompressedDataLength(void) const;
uint16_t getSideLength(void) const;
VoxelType getVoxel(uint16_t uXPos, uint16_t uYPos, uint16_t uZPos) const;
VoxelType getVoxel(const Vector3DUint16& v3dPos) const;
void setCompressedData(const uint8_t* const data, uint32_t dataLength);
void setVoxelAt(uint16_t uXPos, uint16_t uYPos, uint16_t uZPos, VoxelType tValue);
void setVoxelAt(const Vector3DUint16& v3dPos, VoxelType tValue);

34
library/PolyVoxCore/include/PolyVoxCore/Impl/Block.inl
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@ -51,6 +51,24 @@ namespace PolyVox
}
}
template <typename VoxelType>
const uint8_t* Block<VoxelType>::getCompressedData(void) const
{
POLYVOX_ASSERT(m_bIsCompressed, "You cannot call getCompressedData() when the block is not compressed");
POLYVOX_ASSERT(m_pCompressedData, "Compressed data is NULL");
return m_pCompressedData;
}
template <typename VoxelType>
const uint32_t Block<VoxelType>::getCompressedDataLength(void) const
{
POLYVOX_ASSERT(m_bIsCompressed, "You cannot call getCompressedData() when the block is not compressed");
POLYVOX_ASSERT(m_pCompressedData, "Compressed data is NULL");
return m_uCompressedDataLength;
}
template <typename VoxelType>
uint16_t Block<VoxelType>::getSideLength(void) const
{
@ -64,6 +82,7 @@ namespace PolyVox
POLYVOX_ASSERT(uXPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(uYPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(uZPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(!m_bIsCompressed, "You cannot call getVoxel() when a block is compressed");
POLYVOX_ASSERT(m_tUncompressedData, "No uncompressed data - block must be decompressed before accessing voxels.");
return m_tUncompressedData
@ -80,6 +99,20 @@ namespace PolyVox
return getVoxel(v3dPos.getX(), v3dPos.getY(), v3dPos.getZ());
}
template <typename VoxelType>
void Block<VoxelType>::setCompressedData(const uint8_t* const data, uint32_t dataLength)
{
POLYVOX_ASSERT(m_bIsCompressed, "You cannot call setCompressedData() when the block is not compressed");
POLYVOX_ASSERT(m_pCompressedData, "Compressed data is NULL");
POLYVOX_ASSERT(m_pCompressedData != data, "Attempting to copy data onto itself");
delete[] m_pCompressedData;
m_uCompressedDataLength = dataLength;
m_pCompressedData = new uint8_t[dataLength];
memcpy(m_pCompressedData, data, dataLength);
}
template <typename VoxelType>
void Block<VoxelType>::setVoxelAt(uint16_t uXPos, uint16_t uYPos, uint16_t uZPos, VoxelType tValue)
{
@ -87,6 +120,7 @@ namespace PolyVox
POLYVOX_ASSERT(uXPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(uYPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(uZPos < m_uSideLength, "Supplied position is outside of the block");
POLYVOX_ASSERT(!m_bIsCompressed, "You cannot call setVoxelAt() when a block is compressed");
POLYVOX_ASSERT(m_tUncompressedData, "No uncompressed data - block must be decompressed before accessing voxels.");
m_tUncompressedData