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 }