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