void cChunkDesc::ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX, int a_MinRelY, int a_MaxRelY, int a_MinRelZ, int a_MaxRelZ)
{
// Normalize the coords:
if (a_MinRelX > a_MaxRelX)
{
std::swap(a_MinRelX, a_MaxRelX);
}
if (a_MinRelY > a_MaxRelY)
{
std::swap(a_MinRelY, a_MaxRelY);
}
if (a_MinRelZ > a_MaxRelZ)
{
std::swap(a_MinRelZ, a_MaxRelZ);
}
// Include the Max coords:
a_MaxRelX += 1;
a_MaxRelY += 1;
a_MaxRelZ += 1;
// Check coords validity:
if (a_MinRelX < 0)
{
LOGWARNING("%s: MinRelX less than zero, adjusting to zero", __FUNCTION__);
a_MinRelX = 0;
}
else if (a_MinRelX >= cChunkDef::Width)
{
LOGWARNING("%s: MinRelX more than chunk width, adjusting to chunk width", __FUNCTION__);
a_MinRelX = cChunkDef::Width - 1;
}
if (a_MaxRelX < 0)
{
LOGWARNING("%s: MaxRelX less than zero, adjusting to zero", __FUNCTION__);
a_MaxRelX = 0;
}
else if (a_MaxRelX > cChunkDef::Width)
{
LOGWARNING("%s: MaxRelX more than chunk width, adjusting to chunk width", __FUNCTION__);
a_MaxRelX = cChunkDef::Width;
}
if (a_MinRelY < 0)
{
LOGWARNING("%s: MinRelY less than zero, adjusting to zero", __FUNCTION__);
a_MinRelY = 0;
}
else if (a_MinRelY >= cChunkDef::Height)
{
LOGWARNING("%s: MinRelY more than chunk height, adjusting to chunk height", __FUNCTION__);
a_MinRelY = cChunkDef::Height - 1;
}
if (a_MaxRelY < 0)
{
LOGWARNING("%s: MaxRelY less than zero, adjusting to zero", __FUNCTION__);
a_MaxRelY = 0;
}
else if (a_MaxRelY > cChunkDef::Height)
{
LOGWARNING("%s: MaxRelY more than chunk height, adjusting to chunk height", __FUNCTION__);
a_MaxRelY = cChunkDef::Height;
}
if (a_MinRelZ < 0)
{
LOGWARNING("%s: MinRelZ less than zero, adjusting to zero", __FUNCTION__);
a_MinRelZ = 0;
}
else if (a_MinRelZ >= cChunkDef::Width)
{
LOGWARNING("%s: MinRelZ more than chunk width, adjusting to chunk width", __FUNCTION__);
a_MinRelZ = cChunkDef::Width - 1;
}
if (a_MaxRelZ < 0)
{
LOGWARNING("%s: MaxRelZ less than zero, adjusting to zero", __FUNCTION__);
a_MaxRelZ = 0;
}
else if (a_MaxRelZ > cChunkDef::Width)
{
LOGWARNING("%s: MaxRelZ more than chunk width, adjusting to chunk width", __FUNCTION__);
a_MaxRelZ = cChunkDef::Width;
}
// Prepare the block area:
int SizeX = a_MaxRelX - a_MinRelX;
int SizeY = a_MaxRelY - a_MinRelY;
int SizeZ = a_MaxRelZ - a_MinRelZ;
a_Dest.Clear();
a_Dest.m_Origin.x = m_ChunkX * cChunkDef::Width + a_MinRelX;
a_Dest.m_Origin.y = a_MinRelY;
a_Dest.m_Origin.z = m_ChunkZ * cChunkDef::Width + a_MinRelZ;
a_Dest.SetSize(SizeX, SizeY, SizeZ, cBlockArea::baTypes | cBlockArea::baMetas);
for (int y = 0; y < SizeY; y++)
{
int CDY = a_MinRelY + y;
for (int z = 0; z < SizeZ; z++)
{
int CDZ = a_MinRelZ + z;
for (int x = 0; x < SizeX; x++)
{
int CDX = a_MinRelX + x;
BLOCKTYPE BlockType;
NIBBLETYPE BlockMeta;
GetBlockTypeMeta(CDX, CDY, CDZ, BlockType, BlockMeta);
a_Dest.SetRelBlockTypeMeta(x, y, z, BlockType, BlockMeta);
} // for x
} // for z
} // for y
}
