2014-04-26 17:50:23 +00:00
|
|
|
|
|
|
|
#include "Globals.h"
|
2014-05-21 18:58:48 +00:00
|
|
|
#include "ChunkData.h"
|
2014-04-26 17:50:23 +00:00
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
cChunkData cChunkData::Copy() const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 18:58:48 +00:00
|
|
|
cChunkData copy;
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 20:46:20 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
copy.m_Sections[i] = Allocate();
|
|
|
|
*copy.m_Sections[i] = *m_Sections[i];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return copy;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::CopyBlocks (BLOCKTYPE * a_dest, size_t a_Idx, size_t length) const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16;
|
2014-05-24 12:33:40 +00:00
|
|
|
if (a_Idx > 0)
|
|
|
|
{
|
|
|
|
a_Idx = std::max(a_Idx - length, (size_t) 0);
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
if (a_Idx == 0)
|
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
size_t tocopy = std::min(segment_length, length);
|
2014-04-26 17:50:23 +00:00
|
|
|
length -= tocopy;
|
2014-05-21 20:46:20 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
memcpy(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
&m_Sections[i]->m_BlockTypes,
|
2014-05-10 16:46:49 +00:00
|
|
|
sizeof(BLOCKTYPE) * tocopy
|
2014-04-27 14:38:16 +00:00
|
|
|
);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
memset(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
0,
|
2014-05-10 16:46:49 +00:00
|
|
|
sizeof(BLOCKTYPE) * tocopy
|
2014-04-27 14:38:16 +00:00
|
|
|
);
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::CopyMeta(NIBBLETYPE * a_dest) const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:46:20 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
memcpy(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
&m_Sections[i]->m_BlockMeta,
|
2014-05-21 20:46:20 +00:00
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
2014-04-27 14:38:16 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
memset(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
0,
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-24 12:33:40 +00:00
|
|
|
void cChunkData::CopyBlockLight(NIBBLETYPE * a_dest) const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:46:20 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
memcpy(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
&m_Sections[i]->m_BlockLight,
|
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
memset(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
0,
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::CopySkyLight(NIBBLETYPE * a_dest) const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:46:20 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
memcpy(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
&m_Sections[i]->m_BlockSkyLight,
|
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
memset(
|
|
|
|
&a_dest[i * segment_length],
|
|
|
|
0xFF,
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::SetBlocks(const BLOCKTYPE * a_src)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-10 16:46:49 +00:00
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16;
|
2014-05-21 20:18:14 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 19:26:43 +00:00
|
|
|
memcpy(
|
|
|
|
&m_Sections[i]->m_BlockTypes,
|
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
2014-04-27 14:38:16 +00:00
|
|
|
else
|
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
// j counts how many of leading zeros the buffer has
|
|
|
|
// if j == segment_length then the buffer is all zeros so there is no point
|
|
|
|
// creating the buffer.
|
2014-04-27 14:38:16 +00:00
|
|
|
size_t j = 0;
|
|
|
|
// do nothing whilst 0
|
|
|
|
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
|
2014-05-11 18:24:09 +00:00
|
|
|
if (j != segment_length)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
m_Sections[i] = Allocate();
|
|
|
|
memcpy(
|
|
|
|
&m_Sections[i]->m_BlockTypes,
|
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
2014-05-21 19:26:43 +00:00
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockMeta,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockMeta)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockLight,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockLight)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockSkyLight,
|
|
|
|
0xFF,
|
|
|
|
sizeof(m_Sections[i]->m_BlockSkyLight)
|
|
|
|
);
|
2014-04-27 14:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::SetMeta(const NIBBLETYPE * a_src)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:18:14 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 19:26:43 +00:00
|
|
|
memcpy(
|
|
|
|
&m_Sections[i]->m_BlockMeta,
|
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
2014-04-27 14:38:16 +00:00
|
|
|
else
|
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
// j counts how many of leading zeros the buffer has
|
|
|
|
// if j == segment_length then the buffer is all zeros so there is no point
|
|
|
|
// creating the buffer.
|
2014-04-27 14:38:16 +00:00
|
|
|
size_t j = 0;
|
|
|
|
// do nothing whilst 0
|
|
|
|
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
|
2014-05-11 18:24:09 +00:00
|
|
|
if (j != segment_length)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
m_Sections[i] = Allocate();
|
|
|
|
memcpy(
|
2014-04-27 15:11:56 +00:00
|
|
|
&m_Sections[i]->m_BlockMeta,
|
2014-04-27 14:38:16 +00:00
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
2014-05-21 19:26:43 +00:00
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockTypes,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockTypes)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockLight,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockLight)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockSkyLight,
|
|
|
|
0xFF,
|
|
|
|
sizeof(m_Sections[i]->m_BlockSkyLight)
|
|
|
|
);
|
2014-04-27 14:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-24 12:33:40 +00:00
|
|
|
void cChunkData::SetBlockLight(const NIBBLETYPE * a_src)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-04-27 15:11:56 +00:00
|
|
|
if (!a_src) return;
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:18:14 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 19:26:43 +00:00
|
|
|
memcpy(
|
|
|
|
&m_Sections[i]->m_BlockLight,
|
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
2014-04-27 14:38:16 +00:00
|
|
|
else
|
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
// j counts how many of leading zeros the buffer has
|
|
|
|
// if j == segment_length then the buffer is all zeros so there is no point
|
|
|
|
// creating the buffer.
|
2014-04-27 14:38:16 +00:00
|
|
|
size_t j = 0;
|
|
|
|
// do nothing whilst 0
|
|
|
|
for (; j < segment_length && a_src[i * segment_length + j] == 0; j++);
|
2014-05-11 18:24:09 +00:00
|
|
|
if (j != segment_length)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
m_Sections[i] = Allocate();
|
|
|
|
memcpy(
|
2014-04-27 15:11:56 +00:00
|
|
|
&m_Sections[i]->m_BlockLight,
|
2014-04-27 14:38:16 +00:00
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
2014-05-21 19:26:43 +00:00
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockTypes,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockTypes)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockMeta,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockMeta)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockSkyLight,
|
|
|
|
0xFF,
|
|
|
|
sizeof(m_Sections[i]->m_BlockSkyLight)
|
|
|
|
);
|
2014-04-27 14:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::SetSkyLight (const NIBBLETYPE * a_src)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-04-27 15:11:56 +00:00
|
|
|
if (!a_src) return;
|
2014-05-24 12:33:40 +00:00
|
|
|
for (size_t i = 0; i < CHUNK_SECTION_COUNT; i++)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
const size_t segment_length = CHUNK_SECTION_HEIGHT * 16 * 16 / 2;
|
2014-05-21 20:18:14 +00:00
|
|
|
if (m_Sections[i] != NULL)
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
2014-05-21 19:26:43 +00:00
|
|
|
memcpy(
|
|
|
|
&m_Sections[i]->m_BlockSkyLight,
|
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(NIBBLETYPE) * segment_length
|
|
|
|
);
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
2014-04-27 14:38:16 +00:00
|
|
|
else
|
|
|
|
{
|
2014-05-24 12:33:40 +00:00
|
|
|
// j counts how many of leading zeros the buffer has
|
|
|
|
// if j == segment_length then the buffer is all zeros so there is no point
|
|
|
|
// creating the buffer.
|
2014-04-27 14:38:16 +00:00
|
|
|
size_t j = 0;
|
|
|
|
// do nothing whilst 0
|
|
|
|
for (; j < segment_length && a_src[i * segment_length + j] == 0xFF; j++);
|
2014-05-11 18:24:09 +00:00
|
|
|
if (j != segment_length)
|
2014-04-27 14:38:16 +00:00
|
|
|
{
|
|
|
|
m_Sections[i] = Allocate();
|
|
|
|
memcpy(
|
2014-04-27 15:11:56 +00:00
|
|
|
&m_Sections[i]->m_BlockSkyLight,
|
2014-04-27 14:38:16 +00:00
|
|
|
&a_src[i * segment_length],
|
|
|
|
sizeof(BLOCKTYPE) * segment_length
|
|
|
|
);
|
2014-05-21 19:26:43 +00:00
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockTypes,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockTypes)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockMeta,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockMeta)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
m_Sections[i]->m_BlockLight,
|
|
|
|
0x00,
|
|
|
|
sizeof(m_Sections[i]->m_BlockLight)
|
|
|
|
);
|
2014-04-27 14:38:16 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
cChunkData::sChunkSection * cChunkData::Allocate() const
|
2014-04-26 17:50:23 +00:00
|
|
|
{
|
|
|
|
// TODO: use a allocation pool
|
2014-05-21 18:58:48 +00:00
|
|
|
return new cChunkData::sChunkSection;
|
2014-04-26 17:50:23 +00:00
|
|
|
}
|
2014-04-27 15:11:56 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::Free(cChunkData::sChunkSection * ptr) const
|
2014-04-27 15:11:56 +00:00
|
|
|
{
|
|
|
|
delete ptr;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2014-05-21 18:58:48 +00:00
|
|
|
void cChunkData::ZeroSection(cChunkData::sChunkSection * ptr) const
|
2014-05-11 14:52:02 +00:00
|
|
|
{
|
2014-05-21 19:26:43 +00:00
|
|
|
memset(
|
|
|
|
ptr->m_BlockTypes,
|
|
|
|
0x00,
|
|
|
|
sizeof(ptr->m_BlockTypes)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
ptr->m_BlockMeta,
|
|
|
|
0x00,
|
|
|
|
sizeof(ptr->m_BlockMeta)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
ptr->m_BlockLight,
|
|
|
|
0x00,
|
|
|
|
sizeof(ptr->m_BlockLight)
|
|
|
|
);
|
|
|
|
memset(
|
|
|
|
ptr->m_BlockSkyLight,
|
|
|
|
0xFF,
|
|
|
|
sizeof(ptr->m_BlockSkyLight)
|
|
|
|
);
|
2014-05-11 14:52:02 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|