cWSSAnvil::cMCAFile * cWSSAnvil::LoadMCAFile(const cChunkCoords & a_Chunk)
{
// ASSUME m_CS is locked
ASSERT(m_CS.IsLocked());
const int RegionX = FAST_FLOOR_DIV(a_Chunk.m_ChunkX, 32);
const int RegionZ = FAST_FLOOR_DIV(a_Chunk.m_ChunkZ, 32);
ASSERT(a_Chunk.m_ChunkX - RegionX * 32 >= 0);
ASSERT(a_Chunk.m_ChunkZ - RegionZ * 32 >= 0);
ASSERT(a_Chunk.m_ChunkX - RegionX * 32 < 32);
ASSERT(a_Chunk.m_ChunkZ - RegionZ * 32 < 32);
// Is it already cached?
for (cMCAFiles::iterator itr = m_Files.begin(); itr != m_Files.end(); ++itr)
{
if (((*itr) != NULL) && ((*itr)->GetRegionX() == RegionX) && ((*itr)->GetRegionZ() == RegionZ))
{
// Move the file to front and return it:
cMCAFile * f = *itr;
if (itr != m_Files.begin())
{
m_Files.erase(itr);
m_Files.push_front(f);
}
return f;
}
}
// Load it anew:
AString FileName;
Printf(FileName, "%s/region", m_World->GetName().c_str());
cFile::CreateFolder(FILE_IO_PREFIX + FileName);
AppendPrintf(FileName, "/r.%d.%d.mca", RegionX, RegionZ);
cMCAFile * f = new cMCAFile(FileName, RegionX, RegionZ);
if (f == NULL)
{
return NULL;
}
m_Files.push_front(f);
// If there are too many MCA files cached, delete the last one used:
if (m_Files.size() > MAX_MCA_FILES)
{
delete m_Files.back();
m_Files.pop_back();
}
return f;
}
cWSSCompact::cPAKFile * cWSSCompact::LoadPAKFile(const cChunkCoords & a_Chunk)
{
// ASSUMES that m_CS has been locked
// We need to retain this weird conversion code, because some edge chunks are in the wrong PAK file
const int LayerX = FAST_FLOOR_DIV(a_Chunk.m_ChunkX, 32);
const int LayerZ = FAST_FLOOR_DIV(a_Chunk.m_ChunkZ, 32);
// Is it already cached?
for (cPAKFiles::iterator itr = m_PAKFiles.begin(); itr != m_PAKFiles.end(); ++itr)
{
if (((*itr) != NULL) && ((*itr)->GetLayerX() == LayerX) && ((*itr)->GetLayerZ() == LayerZ))
{
// Move the file to front and return it:
cPAKFile * f = *itr;
if (itr != m_PAKFiles.begin())
{
m_PAKFiles.erase(itr);
m_PAKFiles.push_front(f);
}
return f;
}
}
// Load it anew:
AString FileName;
Printf(FileName, "%s/X%i_Z%i.pak", m_World->GetName().c_str(), LayerX, LayerZ );
cPAKFile * f = new cPAKFile(FileName, LayerX, LayerZ, m_CompressionFactor);
if (f == NULL)
{
return NULL;
}
m_PAKFiles.push_front(f);
// If there are too many PAK files cached, delete the last one used:
if (m_PAKFiles.size() > MAX_PAK_FILES)
{
delete m_PAKFiles.back();
m_PAKFiles.pop_back();
}
return f;
}
