diff options
Diffstat (limited to '')
| -rw-r--r-- | src/ChunkData.h | 65 |
1 files changed, 48 insertions, 17 deletions
diff --git a/src/ChunkData.h b/src/ChunkData.h index e6aaa99b8..341c15301 100644 --- a/src/ChunkData.h +++ b/src/ChunkData.h @@ -1,4 +1,12 @@ +// ChunkData.h + +// Declares the cChunkData class that represents the block's type, meta, blocklight and skylight storage for a chunk + + + + + #pragma once @@ -20,7 +28,7 @@ class cChunkData { public: - cChunkData(); + cChunkData(void); ~cChunkData(); #if __cplusplus < 201103L @@ -43,25 +51,48 @@ public: NIBBLETYPE GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) const; + /** Creates a (deep) copy of self. */ cChunkData Copy(void) const; - // Copys data from this object into the buffer in the a_Dest param - // CopyBlocks also povides the optional parameters a_Idx and a_Length which specify an offset and length for - // copying part of the BlockTypes array. - void CopyBlocks (BLOCKTYPE * a_Dest, size_t a_Idx = 0, size_t a_Length = cChunkDef::NumBlocks) const; - void CopyMeta (NIBBLETYPE * a_Dest) const; + /** Copies the blocktype data into the specified flat array. + Optionally, only a part of the data is copied, as specified by the a_Idx and a_Length parameters. */ + void CopyBlockTypes(BLOCKTYPE * a_Dest, size_t a_Idx = 0, size_t a_Length = cChunkDef::NumBlocks) const; + + /** Copies the metadata into the specified flat array. */ + void CopyMetas(NIBBLETYPE * a_Dest) const; + + /** Copies the block light data into the specified flat array. */ void CopyBlockLight(NIBBLETYPE * a_Dest) const; + + /** Copies the skylight data into the specified flat array. */ void CopySkyLight (NIBBLETYPE * a_Dest) const; - void SetBlocks (const BLOCKTYPE * a_src); - void SetMeta (const NIBBLETYPE * a_src); - void SetBlockLight(const NIBBLETYPE * a_src); - void SetSkyLight (const NIBBLETYPE * a_src); + /** Copies the blocktype data from the specified flat array into the internal representation. + Allocates sections that are needed for the operation. + Requires that a_Src is a valid pointer. */ + void SetBlockTypes(const BLOCKTYPE * a_Src); + + /** Copies the metadata from the specified flat array into the internal representation. + Allocates sectios that are needed for the operation. + Requires that a_Src is a valid pointer. */ + void SetMetas(const NIBBLETYPE * a_Src); + + /** Copies the blocklight data from the specified flat array into the internal representation. + Allocates sectios that are needed for the operation. + Allows a_Src to be NULL, in which case it doesn't do anything. */ + void SetBlockLight(const NIBBLETYPE * a_Src); + + /** Copies the skylight data from the specified flat array into the internal representation. + Allocates sectios that are needed for the operation. + Allows a_Src to be NULL, in which case it doesn't do anything. */ + void SetSkyLight(const NIBBLETYPE * a_Src); private: - static const size_t CHUNK_SECTION_HEIGHT = 16; - static const size_t CHUNK_SECTION_COUNT = (256 / CHUNK_SECTION_HEIGHT); + static const size_t SectionHeight = 16; + static const size_t NumSections = (cChunkDef::Height / SectionHeight); + static const size_t SegmentLength = cChunkDef::Width * cChunkDef::Height * SectionHeight; + static const size_t SectionBlockCount = SectionHeight * cChunkDef::Width * cChunkDef::Width; #if __cplusplus < 201103L // auto_ptr style interface for memory management @@ -69,13 +100,13 @@ private: #endif struct sChunkSection { - BLOCKTYPE m_BlockTypes [CHUNK_SECTION_HEIGHT * 16 * 16]; - NIBBLETYPE m_BlockMeta [CHUNK_SECTION_HEIGHT * 16 * 16 / 2]; - NIBBLETYPE m_BlockLight [CHUNK_SECTION_HEIGHT * 16 * 16 / 2]; - NIBBLETYPE m_BlockSkyLight[CHUNK_SECTION_HEIGHT * 16 * 16 / 2]; + BLOCKTYPE m_BlockTypes [SectionBlockCount]; + NIBBLETYPE m_BlockMeta [SectionBlockCount / 2]; + NIBBLETYPE m_BlockLight [SectionBlockCount / 2]; + NIBBLETYPE m_BlockSkyLight[SectionBlockCount / 2]; }; - sChunkSection * m_Sections[CHUNK_SECTION_COUNT]; + sChunkSection * m_Sections[NumSections]; /** Allocates a new section. Entry-point to custom allocators. */ static sChunkSection * Allocate(void); |