/// <summary>
/// Get all blocks' world coordinates, block Id and block data.
/// The blocks may not be ordered to maximize performance.
/// </summary>
/// <returns>Blocks</returns>
public IEnumerable <(int X, int Y, int Z, ClassicBlock Block)> AllBlocks()
{
for (var sy = 0; sy < 16; sy++)
{
var data = _data[sy];
var add = _add[sy];
var blocks = _blocks[sy];
if (blocks == null)
{
continue;
}
var dataAvailable = data != null;
var addAvailable = add != null;
var baseY = sy << 4;
var index = 0;
int blockId, blockData;
for (var y = 0; y < 16; y++)
{
for (var z = 0; z < 16; z++)
{
for (var x = 0; x < 16; x += 2)
{
blockId = addAvailable ? ((EndianHelper.GetHalfIntEvenIndex(add, index) << 8) | blocks[index]) : blocks[index];
blockData = dataAvailable ? EndianHelper.GetHalfIntEvenIndex(data, index) : 0;
yield return(x, y + baseY, z, new ClassicBlock {
Data = blockData, Id = blockId
});
index += 2;
}
index -= 15;
for (var x = 1; x < 16; x += 2)
{
blockId = addAvailable ? ((EndianHelper.GetHalfIntOddIndex(add, index) << 8) | blocks[index]) : blocks[index];
blockData = dataAvailable ? EndianHelper.GetHalfIntOddIndex(data, index) : 0;
yield return(x, y + baseY, z, new ClassicBlock {
Data = blockData, Id = blockId
});
index += 2;
}
index -= 1;
}
}
}
}
