147 lines
3.0 KiB
C++
147 lines
3.0 KiB
C++
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#include "Globals.h"
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#include "ChunkBuffer.h"
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cChunkBuffer cChunkBuffer::Copy() const
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{
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cChunkBuffer copy;
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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if(m_Sections[i])
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{
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copy.m_Sections[i] = Allocate();
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*copy.m_Sections[i] = *m_Sections[i];
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}
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}
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return copy;
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}
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void cChunkBuffer::CopyBlocks (BLOCKTYPE * a_dest, size_t a_Idx, size_t length) const
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16;
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if (a_Idx > 0) a_Idx = a_Idx > length ? a_Idx - length : 0;
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if (a_Idx == 0)
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{
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size_t tocopy = length > segment_length ? segment_length : length;
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length -= tocopy;
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memcpy(&a_dest[i * segment_length], &m_Sections[i]->m_BlockTypes, sizeof(BLOCKTYPE) * length);
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}
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}
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}
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void cChunkBuffer::CopyMeta(NIBBLETYPE * a_dest) const
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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memcpy(&a_dest[i * segment_length], &m_Sections[i]->m_BlockMeta, sizeof(NIBBLETYPE) * segment_length);
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}
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}
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void cChunkBuffer::CopyLight(NIBBLETYPE * a_dest) const
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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memcpy(&a_dest[i * segment_length], &m_Sections[i]->m_BlockLight, sizeof(NIBBLETYPE) * segment_length);
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}
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}
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void cChunkBuffer::CopySkyLight(NIBBLETYPE * a_dest) const
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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memcpy(&a_dest[i * segment_length], &m_Sections[i]->m_BlockSkyLight, sizeof(NIBBLETYPE) * segment_length);
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}
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}
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void cChunkBuffer::SetBlocks(const BLOCKTYPE * a_src)
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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if (m_Sections[i])
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{
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memcpy(&m_Sections[i]->m_BlockTypes, &a_src[i * segment_length], sizeof(BLOCKTYPE) * segment_length);
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}
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}
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}
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void cChunkBuffer::SetMeta(const NIBBLETYPE * a_src)
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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if (m_Sections[i])
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{
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memcpy(&m_Sections[i]->m_BlockMeta, &a_src[i * segment_length], sizeof(NIBBLETYPE) * segment_length);
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}
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}
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}
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void cChunkBuffer::SetLight(const NIBBLETYPE * a_src)
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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if (m_Sections[i])
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{
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memcpy(&m_Sections[i]->m_BlockLight, &a_src[i * segment_length], sizeof(NIBBLETYPE) * segment_length);
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}
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}
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}
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void cChunkBuffer::SetSkyLight (const NIBBLETYPE * a_src)
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{
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for (int i = 0; i < CHUNK_SECTION_NUM; i++)
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{
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const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
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if (m_Sections[i])
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{
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memcpy(&m_Sections[i]->m_BlockSkyLight, &a_src[i * segment_length], sizeof(NIBBLETYPE) * segment_length);
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}
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}
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}
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cChunkBuffer::sChunkSection * cChunkBuffer::Allocate() const
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{
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// TODO: use a allocation pool
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return new cChunkBuffer::sChunkSection;
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}
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