public FastMap(UInt16 _x, UInt16 _y, UInt16 _z)
{
//Init
sizeX = _x;
sizeY = _y;
sizeZ = _z;
tiles = new FastMapBlock[_x, _y, _z];
//Fill
EnumerateAllBlocks((ref FastMapBlock block, int x, int y, int z) =>
{
block = new FastMapBlock(0);
});
}
public static FastMap LoadMap(byte[] data)
{
//Open stream
MemoryStream ms = new MemoryStream(data);
//Open meta and header
UInt16 contentTableLocation = UInt16FromStream(ref ms);
UInt16 mapX = UInt16FromStream(ref ms);
UInt16 mapY = UInt16FromStream(ref ms);
UInt16 mapZ = UInt16FromStream(ref ms);
UInt16 rev = UInt16FromStream(ref ms);
//Create map
FastMap m = new FastMap(mapX, mapY, mapZ, rev);
//Now jump to the table location.
ms.Position = contentTableLocation;
//Now, read in the table.
byte[] table = new byte[((int)mapX * (int)mapY * (int)mapZ) * 8];
ms.Read(table, 0, table.Length);
//Now, fill in all the blocks
m.EnumerateAllBlocks((ref FastMapBlock block, int x, int y, int z) =>
{
//Write the entry in the table at position.
int pos = ((m.sizeX * m.sizeY) * z) + (m.sizeX * y) + x;
pos *= 8;
//Create block
FastMapBlock b = new FastMapBlock();
//Jump to this position
UInt16 id = UInt16FromBytes(new byte[] { table[pos], table[pos + 1] });
byte[] flagsByte = new byte[] { table[pos + 2], table[pos + 3] };
BitArray bc = new BitArray(flagsByte);
b.id = id;
b.flags = new bool[] { bc[1], bc[2], bc[3], bc[4], bc[5], bc[6], bc[7], bc[8], bc[9], bc[10], bc[11], bc[12], bc[13], bc[14], bc[15] }; //Skip the 0th bool becasue that isn't shown to the user
//If the additional data flag, bc[0], is true, get the data it is pointing to.
if (bc[0])
{
lock (ms)
{
//Jump to the location offered by the pointer.
long pointer = UInt32FromBytes(new byte[] { table[pos + 4], table[pos + 5], table[pos + 6], table[pos + 7] });
pointer += contentTableLocation;
pointer += table.Length;
//Jump
ms.Position = pointer;
//Read in length
byte[] buf = new byte[2];
ms.Read(buf, 0, 2);
if (!BitConverter.IsLittleEndian)
{
Array.Reverse(buf);
}
UInt32 len = BitConverter.ToUInt16(buf, 0);
//Now, read in content
b.data = new byte[len];
ms.Read(b.data, 0, (int)len);
}
}
else
{
//No data. Set it to null
b.data = null;
}
//Set block
block = b;
});
//Return
ms.Close();
return(m);
}
