Function ComposeTileHash

src/vehicle.cpp:413–416

* Compose two 1D hashes into 2D hash. */

 * Compose two 1D hashes into 2D hash.
 */
static inline uint ComposeTileHash(uint hx, uint hy)
{
	return hx | hy << TILE_HASH_BITS;
}

/**
 * Compute hash for tile coordinate.