tron@3111: /* $Id$ */
tron@3111: 
tron@3111: #ifndef WATER_MAP_H
tron@3111: #define WATER_MAP_H
tron@3111: 
celestar@3372: typedef enum DepotPart {
celestar@3372: 	DEPOT_NORTH = 0x80,
celestar@3373: 	DEPOT_SOUTH = 0x81,
celestar@3373: 	DEPOT_END   = 0x84,
celestar@3372: } DepotPart;
celestar@3372: 
celestar@3372: typedef enum LockPart {
celestar@3372: 	LOCK_MIDDLE = 0x10,
celestar@3372: 	LOCK_LOWER  = 0x14,
celestar@3372: 	LOCK_UPPER  = 0x18
celestar@3372: } LockPart;
celestar@3372: 
celestar@3373: static inline bool IsClearWaterTile(TileIndex tile)
celestar@3373: {
celestar@3373: 	return
celestar@3373: 		IsTileType(tile, MP_WATER) &&
celestar@3373: 		_m[tile].m5 == 0 &&
celestar@3373: 		GetTileSlope(tile, NULL) == 0;
celestar@3373: }
celestar@3373: 
celestar@3373: static inline TileIndex GetOtherShipDepotTile(TileIndex t)
celestar@3373: {
celestar@3373: 	return t + (HASBIT(_m[t].m5, 0) ? -1 : 1) * (HASBIT(_m[t].m5, 1) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));
celestar@3373: }
celestar@3373: 
celestar@3373: static inline TileIndex IsShipDepot(TileIndex t)
celestar@3373: {
celestar@3373: 	return IS_INT_INSIDE(_m[t].m5, DEPOT_NORTH, DEPOT_END);
celestar@3373: }
celestar@3373: 
celestar@3373: static inline DiagDirection GetLockDirection(TileIndex t)
celestar@3373: {
celestar@3373: 	return (DiagDirection)GB(_m[t].m5, 0, 2);
celestar@3373: }
celestar@3373: 
celestar@3373: 
tron@3111: static inline void MakeWater(TileIndex t)
tron@3111: {
tron@3111: 	SetTileType(t, MP_WATER);
tron@3111: 	SetTileOwner(t, OWNER_WATER);
tron@3111: 	_m[t].m2 = 0;
tron@3111: 	_m[t].m3 = 0;
tron@3111: 	_m[t].m4 = 0;
tron@3111: 	_m[t].m5 = 0;
tron@3111: }
tron@3111: 
tron@3111: static inline void MakeShore(TileIndex t)
tron@3111: {
tron@3111: 	SetTileType(t, MP_WATER);
tron@3111: 	SetTileOwner(t, OWNER_WATER);
tron@3111: 	_m[t].m2 = 0;
tron@3111: 	_m[t].m3 = 0;
tron@3111: 	_m[t].m4 = 0;
tron@3111: 	_m[t].m5 = 1;
tron@3111: }
tron@3111: 
celestar@3372: static inline void MakeShipDepot(TileIndex t, Owner o, DepotPart base, Axis a)
celestar@3372: {
celestar@3372: 	SetTileType(t, MP_WATER);
celestar@3372: 	SetTileOwner(t, o);
celestar@3372: 	_m[t].m2 = 0;
celestar@3372: 	_m[t].m3 = 0;
celestar@3372: 	_m[t].m4 = 0;
celestar@3372: 	_m[t].m5 = base + a * 2;
celestar@3372: }
celestar@3372: 
celestar@3372: static inline void MakeLockTile(TileIndex t, byte section)
celestar@3372: {
celestar@3372: 	SetTileType(t, MP_WATER);
celestar@3372: 	SetTileOwner(t, OWNER_WATER);
celestar@3372: 	_m[t].m2 = 0;
celestar@3372: 	_m[t].m3 = 0;
celestar@3372: 	_m[t].m4 = 0;
celestar@3372: 	_m[t].m5 = section;
celestar@3372: }
celestar@3372: 
celestar@3372: static inline void MakeLock(TileIndex t, DiagDirection d)
celestar@3372: {
celestar@3372: 	TileIndexDiff delta = TileOffsByDir(d);
celestar@3372: 
celestar@3372: 	MakeLockTile(t, LOCK_MIDDLE + d);
celestar@3372: 	MakeLockTile(t - delta, LOCK_LOWER + d);
celestar@3372: 	MakeLockTile(t + delta, LOCK_UPPER + d);
celestar@3372: }
celestar@3372: 
tron@3111: #endif