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Location: cpp/openttd-patchpack/source/src/water_map.h
r12019:7fabc7bfef6d
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text/x-c
(svn r16431) -Fix (16429): Company settings can also be changed in multiplayer games
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/** @file water_map.h Map accessors for water tiles. */
#ifndef WATER_MAP_H
#define WATER_MAP_H
#include "core/math_func.hpp"
enum WaterTileType {
WATER_TILE_CLEAR,
WATER_TILE_COAST,
WATER_TILE_LOCK,
WATER_TILE_DEPOT,
};
enum WaterClass {
WATER_CLASS_SEA,
WATER_CLASS_CANAL,
WATER_CLASS_RIVER,
WATER_CLASS_INVALID, ///< Used for industry tiles on land (also for oilrig if newgrf says so)
};
enum DepotPart {
DEPOT_NORTH = 0x80,
DEPOT_SOUTH = 0x81,
DEPOT_END = 0x84,
};
enum LockPart {
LOCK_MIDDLE = 0x10,
LOCK_LOWER = 0x14,
LOCK_UPPER = 0x18,
LOCK_END = 0x1C
};
static inline WaterTileType GetWaterTileType(TileIndex t)
{
assert(IsTileType(t, MP_WATER));
if (_m[t].m5 == 0) return WATER_TILE_CLEAR;
if (_m[t].m5 == 1) return WATER_TILE_COAST;
if (IsInsideMM(_m[t].m5, LOCK_MIDDLE, LOCK_END)) return WATER_TILE_LOCK;
assert(IsInsideMM(_m[t].m5, DEPOT_NORTH, DEPOT_END));
return WATER_TILE_DEPOT;
}
static inline WaterClass GetWaterClass(TileIndex t)
{
assert(IsTileType(t, MP_WATER) || IsTileType(t, MP_STATION) || IsTileType(t, MP_INDUSTRY));
return (WaterClass)(IsTileType(t, MP_INDUSTRY) ? GB(_m[t].m1, 5, 2) : GB(_m[t].m3, 0, 2));
}
static inline void SetWaterClass(TileIndex t, WaterClass wc)
{
assert(IsTileType(t, MP_WATER) || IsTileType(t, MP_STATION) || IsTileType(t, MP_INDUSTRY));
if (IsTileType(t, MP_INDUSTRY)) {
SB(_m[t].m1, 5, 2, wc);
} else {
SB(_m[t].m3, 0, 2, wc);
}
}
/** IsWater return true if any type of clear water like ocean, river, canal */
static inline bool IsWater(TileIndex t)
{
return GetWaterTileType(t) == WATER_TILE_CLEAR;
}
static inline bool IsSea(TileIndex t)
{
return IsWater(t) && GetWaterClass(t) == WATER_CLASS_SEA;
}
static inline bool IsCanal(TileIndex t)
{
return IsWater(t) && GetWaterClass(t) == WATER_CLASS_CANAL;
}
static inline bool IsRiver(TileIndex t)
{
return IsWater(t) && GetWaterClass(t) == WATER_CLASS_RIVER;
}
static inline bool IsWaterTile(TileIndex t)
{
return IsTileType(t, MP_WATER) && IsWater(t);
}
static inline bool IsCoast(TileIndex t)
{
return GetWaterTileType(t) == WATER_TILE_COAST;
}
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 bool IsShipDepot(TileIndex t)
{
return IsInsideMM(_m[t].m5, DEPOT_NORTH, DEPOT_END);
}
static inline bool IsShipDepotTile(TileIndex t)
{
return IsTileType(t, MP_WATER) && IsShipDepot(t);
}
static inline Axis GetShipDepotAxis(TileIndex t)
{
return (Axis)GB(_m[t].m5, 1, 1);
}
static inline DiagDirection GetShipDepotDirection(TileIndex t)
{
return XYNSToDiagDir(GetShipDepotAxis(t), GB(_m[t].m5, 0, 1));
}
static inline bool IsLock(TileIndex t)
{
return IsInsideMM(_m[t].m5, LOCK_MIDDLE, LOCK_END);
}
static inline DiagDirection GetLockDirection(TileIndex t)
{
return (DiagDirection)GB(_m[t].m5, 0, 2);
}
static inline byte GetSection(TileIndex t)
{
assert(GetWaterTileType(t) == WATER_TILE_LOCK || GetWaterTileType(t) == WATER_TILE_DEPOT);
return GB(_m[t].m5, 0, 4);
}
static inline byte GetWaterTileRandomBits(TileIndex t)
{
return _m[t].m4;
}
static inline void MakeWater(TileIndex t)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, OWNER_WATER);
_m[t].m2 = 0;
_m[t].m3 = WATER_CLASS_SEA;
_m[t].m4 = 0;
_m[t].m5 = 0;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 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;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
static inline void MakeRiver(TileIndex t, uint8 random_bits)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, OWNER_WATER);
_m[t].m2 = 0;
_m[t].m3 = WATER_CLASS_RIVER;
_m[t].m4 = random_bits;
_m[t].m5 = 0;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
static inline void MakeCanal(TileIndex t, Owner o, uint8 random_bits)
{
assert(o != OWNER_WATER);
SetTileType(t, MP_WATER);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = WATER_CLASS_CANAL;
_m[t].m4 = random_bits;
_m[t].m5 = 0;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
static inline void MakeShipDepot(TileIndex t, Owner o, DepotPart base, Axis a, WaterClass original_water_class)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = original_water_class;
_m[t].m4 = 0;
_m[t].m5 = base + a * 2;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
static inline void MakeLockTile(TileIndex t, Owner o, byte section, WaterClass original_water_class)
{
SetTileType(t, MP_WATER);
SetTileOwner(t, o);
_m[t].m2 = 0;
_m[t].m3 = original_water_class;
_m[t].m4 = 0;
_m[t].m5 = section;
SB(_m[t].m6, 2, 4, 0);
_me[t].m7 = 0;
}
static inline void MakeLock(TileIndex t, Owner o, DiagDirection d, WaterClass wc_lower, WaterClass wc_upper)
{
TileIndexDiff delta = TileOffsByDiagDir(d);
MakeLockTile(t, o, LOCK_MIDDLE + d, WATER_CLASS_CANAL);
MakeLockTile(t - delta, o, LOCK_LOWER + d, wc_lower);
MakeLockTile(t + delta, o, LOCK_UPPER + d, wc_upper);
}
#endif /* WATER_MAP_H */
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