/** * Make a lock section. * @param t Tile to place the water lock section. * @param lock_owner Owner of the lock. * @param canal_owner Owner of the canal (only set if it's placed on canal). * @param part Part to place. * @param dir Lock orientation * @param original_water_class Original water class. * @see MakeLock */ static inline void MakeLockTile(TileIndex t, Owner lock_owner, Owner canal_owner, LockPart part, DiagDirection dir, WaterClass original_water_class) { SetTileType(t, MP_WATER); SetTileOwner(t, lock_owner); SetWaterClass(t, original_water_class); if (original_water_class == WATER_CLASS_CANAL) SetCanalOwner(t, canal_owner); _m[t].m2 = 0; _m[t].m3 = 0; _m[t].m4 = 0; _m[t].m5 = WBL_TYPE_LOCK << WBL_TYPE_BEGIN | part << WBL_LOCK_PART_BEGIN | dir << WBL_LOCK_ORIENT_BEGIN; SB(_me[t].m6, 2, 4, 0); _me[t].m7 = 0; } /** * Make a water lock. * @param t Tile to place the water lock section. * @param lo Owner of the lock (also the owner of the canal). * @param co_lower Original owner of the canal at the lower part. * @param co_upper Original owner of the canal at the upper part. * @param d Direction of the water lock. * @param wc_lower Original water class of the lower part. * @param wc_upper Original water class of the upper part. * @param wc_middle Original water class of the middle part. */ static inline void MakeLock(TileIndex t, Owner lo, Owner co_lower, Owner co_upper, DiagDirection d, WaterClass wc_lower, WaterClass wc_upper, WaterClass wc_middle) { TileIndexDiff delta = TileOffsByDiagDir(d); /* Keep the current waterclass and owner for the tiles. * It allows to restore them after the lock is deleted */ MakeLockTile(t, lo, lo, LOCK_PART_MIDDLE, d, wc_middle); MakeLockTile(t - delta, lo, co_lower, LOCK_PART_LOWER, d, wc_lower); MakeLockTile(t + delta, lo, co_upper, LOCK_PART_UPPER, d, wc_upper); }