darkvater@1213: #include "stdafx.h"
tron@1211: #include "tile.h"
tron@1211: 
tron@1211: void SetMapExtraBits(TileIndex tile, byte bits)
tron@1211: {
tron@1211: 	assert(tile < MapSize());
tron@1211: 	_map_extra_bits[tile >> 2] &= ~(3 << ((tile & 3) * 2));
tron@1211: 	_map_extra_bits[tile >> 2] |= (bits&3) << ((tile & 3) * 2);
tron@1211: }
tron@1211: 
tron@1211: uint GetMapExtraBits(TileIndex tile)
tron@1211: {
tron@1211: 	assert(tile < MapSize());
tron@1211: 	return (_map_extra_bits[tile >> 2] >> (tile & 3) * 2) & 3;
tron@1211: }