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Location: cpp/openttd-patchpack/source/water_map.h - annotation
r3704:800e58d7d99f
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(svn r4645) - NewGRF: pretend to be the last alpha version of TTDPatch in our version value.
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#ifndef WATER_MAP_H
#define WATER_MAP_H
typedef enum WaterTileType {
WATER_CLEAR,
WATER_COAST,
WATER_LOCK,
WATER_DEPOT,
} WaterTileType;
typedef enum DepotPart {
DEPOT_NORTH = 0x80,
DEPOT_SOUTH = 0x81,
DEPOT_END = 0x84,
} DepotPart;
typedef enum LockPart {
LOCK_MIDDLE = 0x10,
LOCK_LOWER = 0x14,
LOCK_UPPER = 0x18,
LOCK_END = 0x1C
} LockPart;
static inline WaterTileType GetWaterTileType(TileIndex t)
{
if (_m[t].m5 == 0) return WATER_CLEAR;
if (_m[t].m5 == 1) return WATER_COAST;
if (IS_INT_INSIDE(_m[t].m5, LOCK_MIDDLE, LOCK_END)) return WATER_LOCK;
assert(IS_INT_INSIDE(_m[t].m5, DEPOT_NORTH, DEPOT_END));
return WATER_DEPOT;
}
static inline bool IsWater(TileIndex t)
{
return GetWaterTileType(t) == WATER_CLEAR;
}
static inline bool IsCoast(TileIndex t)
{
return GetWaterTileType(t) == WATER_COAST;
}
static inline bool IsClearWaterTile(TileIndex t)
{
return IsTileType(t, MP_WATER) && IsWater(t) && GetTileSlope(t, NULL) == SLOPE_FLAT;
}
static inline TileIndex GetOtherShipDepotTile(TileIndex t)
{
return t + (HASBIT(_m[t].m5, 0) ? -1 : 1) * (HASBIT(_m[t].m5, 1) ? TileDiffXY(0, 1) : TileDiffXY(1, 0));
}
static inline TileIndex IsShipDepot(TileIndex t)
{
return IS_INT_INSIDE(_m[t].m5, DEPOT_NORTH, DEPOT_END);
}
static inline Axis GetShipDepotAxis(TileIndex t)
{
return (Axis)GB(_m[t].m5, 1, 1);
}
static inline DiagDirection GetLockDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline byte GetSection(TileIndex t)
{
assert(GetWaterTileType(t) == WATER_LOCK || GetWaterTileType(t) == WATER_DEPOT);
return GB(_m[t].m5, 0, 4);
}
static inline void MakeWater(TileIndex t)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, OWNER_WATER);
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = 0;
}
static inline void MakeShore(TileIndex t)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, OWNER_WATER);
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = 1;
}
static inline void MakeShipDepot(TileIndex t, Owner o, DepotPart base, Axis a)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = base + a * 2;
}
static inline void MakeLockTile(TileIndex t, byte section)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, OWNER_WATER);
_m[t].m2 = 0;
_m[t].m3 = 0;
_m[t].m4 = 0;
_m[t].m5 = section;
}
static inline void MakeLock(TileIndex t, DiagDirection d)
{
TileIndexDiff delta = TileOffsByDir(d);
MakeLockTile(t, LOCK_MIDDLE + d);
MakeLockTile(t - delta, LOCK_LOWER + d);
MakeLockTile(t + delta, LOCK_UPPER + d);
}
#endif
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