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323 lines
7.7 KiB
C
323 lines
7.7 KiB
C
/* $Id$ */
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/** @file station_map.h Maps accessors for stations. */
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#ifndef STATION_MAP_H
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#define STATION_MAP_H
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#include "rail_map.h"
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#include "road_map.h"
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#include "water_map.h"
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#include "station_func.h"
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#include "station_base.h"
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#include "rail.h"
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typedef byte StationGfx;
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static inline StationID GetStationIndex(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return (StationID)_m[t].m2;
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}
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static inline Station *GetStationByTile(TileIndex t)
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{
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return GetStation(GetStationIndex(t));
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}
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enum {
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GFX_RADAR_LARGE_FIRST = 31,
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GFX_RADAR_LARGE_LAST = 42,
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GFX_WINDSACK_FIRST = 50,
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GFX_WINDSACK_LAST = 53,
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GFX_DOCK_BASE_WATER_PART = 4,
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GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET = 4,
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GFX_RADAR_INTERNATIONAL_FIRST = 66,
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GFX_RADAR_INTERNATIONAL_LAST = 77,
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GFX_RADAR_METROPOLITAN_FIRST = 78,
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GFX_RADAR_METROPOLITAN_LAST = 89,
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GFX_RADAR_DISTRICTWE_FIRST = 121,
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GFX_RADAR_DISTRICTWE_LAST = 132,
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GFX_WINDSACK_INTERCON_FIRST = 140,
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GFX_WINDSACK_INTERCON_LAST = 143,
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};
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static inline StationType GetStationType(TileIndex t)
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{
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return (StationType)GB(_m[t].m6, 3, 3);
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}
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static inline RoadStopType GetRoadStopType(TileIndex t)
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{
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assert(GetStationType(t) == STATION_TRUCK || GetStationType(t) == STATION_BUS);
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return GetStationType(t) == STATION_TRUCK ? ROADSTOP_TRUCK : ROADSTOP_BUS;
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}
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static inline StationGfx GetStationGfx(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return _m[t].m5;
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}
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static inline void SetStationGfx(TileIndex t, StationGfx gfx)
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{
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assert(IsTileType(t, MP_STATION));
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_m[t].m5 = gfx;
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}
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static inline uint8 GetStationAnimationFrame(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return _me[t].m7;
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}
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static inline void SetStationAnimationFrame(TileIndex t, uint8 frame)
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{
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assert(IsTileType(t, MP_STATION));
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_me[t].m7 = frame;
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}
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static inline bool IsRailwayStation(TileIndex t)
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{
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return GetStationType(t) == STATION_RAIL;
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}
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static inline bool IsRailwayStationTile(TileIndex t)
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{
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return IsTileType(t, MP_STATION) && IsRailwayStation(t);
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}
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static inline bool IsAirport(TileIndex t)
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{
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return GetStationType(t) == STATION_AIRPORT;
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}
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bool IsHangar(TileIndex t);
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static inline bool IsTruckStop(TileIndex t)
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{
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return GetStationType(t) == STATION_TRUCK;
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}
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static inline bool IsBusStop(TileIndex t)
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{
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return GetStationType(t) == STATION_BUS;
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}
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static inline bool IsRoadStop(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return IsTruckStop(t) || IsBusStop(t);
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}
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static inline bool IsRoadStopTile(TileIndex t)
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{
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return IsTileType(t, MP_STATION) && IsRoadStop(t);
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}
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static inline bool IsStandardRoadStopTile(TileIndex t)
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{
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return IsRoadStopTile(t) && GetStationGfx(t) < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
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}
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static inline bool IsDriveThroughStopTile(TileIndex t)
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{
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return IsRoadStopTile(t) && GetStationGfx(t) >= GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
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}
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static inline bool GetStopBuiltOnTownRoad(TileIndex t)
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{
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assert(IsDriveThroughStopTile(t));
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return HasBit(_m[t].m6, 2);
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}
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static inline void SetStopBuiltOnTownRoad(TileIndex t, bool on_town_road)
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{
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assert(IsDriveThroughStopTile(t));
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SB(_m[t].m6, 2, 1, on_town_road);
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}
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/**
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* Gets the direction the road stop entrance points towards.
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*/
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static inline DiagDirection GetRoadStopDir(TileIndex t)
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{
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StationGfx gfx = GetStationGfx(t);
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assert(IsRoadStopTile(t));
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if (gfx < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET) {
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return (DiagDirection)(gfx);
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} else {
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return (DiagDirection)(gfx - GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET);
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}
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}
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static inline bool IsOilRig(TileIndex t)
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{
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return GetStationType(t) == STATION_OILRIG;
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}
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static inline bool IsDock(TileIndex t)
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{
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return GetStationType(t) == STATION_DOCK;
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}
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static inline bool IsBuoy(TileIndex t)
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{
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return GetStationType(t) == STATION_BUOY;
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}
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static inline bool IsBuoyTile(TileIndex t)
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{
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return IsTileType(t, MP_STATION) && IsBuoy(t);
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}
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static inline bool IsHangarTile(TileIndex t)
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{
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return IsTileType(t, MP_STATION) && IsHangar(t);
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}
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static inline Axis GetRailStationAxis(TileIndex t)
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{
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assert(IsRailwayStation(t));
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return HasBit(GetStationGfx(t), 0) ? AXIS_Y : AXIS_X;
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}
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static inline Track GetRailStationTrack(TileIndex t)
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{
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return AxisToTrack(GetRailStationAxis(t));
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}
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static inline bool IsCompatibleTrainStationTile(TileIndex t1, TileIndex t2)
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{
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assert(IsRailwayStationTile(t2));
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return
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IsRailwayStationTile(t1) &&
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IsCompatibleRail(GetRailType(t1), GetRailType(t2)) &&
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GetRailStationAxis(t1) == GetRailStationAxis(t2) &&
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GetStationIndex(t1) == GetStationIndex(t2) &&
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!IsStationTileBlocked(t1);
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}
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static inline DiagDirection GetDockDirection(TileIndex t)
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{
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StationGfx gfx = GetStationGfx(t);
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assert(IsDock(t) && gfx < GFX_DOCK_BASE_WATER_PART);
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return (DiagDirection)(gfx);
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}
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static inline TileIndexDiffC GetDockOffset(TileIndex t)
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{
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static const TileIndexDiffC buoy_offset = {0, 0};
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static const TileIndexDiffC oilrig_offset = {2, 0};
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static const TileIndexDiffC dock_offset[DIAGDIR_END] = {
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{-2, 0},
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{ 0, 2},
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{ 2, 0},
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{ 0, -2},
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};
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assert(IsTileType(t, MP_STATION));
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if (IsBuoy(t)) return buoy_offset;
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if (IsOilRig(t)) return oilrig_offset;
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assert(IsDock(t));
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return dock_offset[GetDockDirection(t)];
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}
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static inline bool IsCustomStationSpecIndex(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return _m[t].m4 != 0;
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}
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static inline void SetCustomStationSpecIndex(TileIndex t, byte specindex)
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{
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assert(IsTileType(t, MP_STATION));
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_m[t].m4 = specindex;
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}
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static inline uint GetCustomStationSpecIndex(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return _m[t].m4;
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}
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static inline void SetStationTileRandomBits(TileIndex t, byte random_bits)
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{
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assert(IsTileType(t, MP_STATION));
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SB(_m[t].m3, 4, 4, random_bits);
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}
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static inline byte GetStationTileRandomBits(TileIndex t)
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{
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assert(IsTileType(t, MP_STATION));
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return GB(_m[t].m3, 4, 4);
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}
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static inline void MakeStation(TileIndex t, Owner o, StationID sid, StationType st, byte section)
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{
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SetTileType(t, MP_STATION);
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SetTileOwner(t, o);
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_m[t].m2 = sid;
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_m[t].m3 = 0;
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_m[t].m4 = 0;
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_m[t].m5 = section;
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SB(_m[t].m6, 3, 3, st);
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}
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static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a, byte section, RailType rt)
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{
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MakeStation(t, o, sid, STATION_RAIL, section + a);
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SetRailType(t, rt);
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}
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static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, DiagDirection d)
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{
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MakeStation(t, o, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), d);
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SetRoadTypes(t, rt);
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}
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static inline void MakeDriveThroughRoadStop(TileIndex t, Owner o, StationID sid, RoadStopType rst, RoadTypes rt, Axis a, bool on_town_road)
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{
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MakeStation(t, o, sid, (rst == ROADSTOP_BUS ? STATION_BUS : STATION_TRUCK), GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET + a);
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SB(_m[t].m6, 2, 1, on_town_road);
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SetRoadTypes(t, rt);
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}
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static inline void MakeAirport(TileIndex t, Owner o, StationID sid, byte section)
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{
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MakeStation(t, o, sid, STATION_AIRPORT, section);
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}
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static inline void MakeBuoy(TileIndex t, StationID sid, WaterClass wc)
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{
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/* Make the owner of the buoy tile the same as the current owner of the
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* water tile. In this way, we can reset the owner of the water to its
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* original state when the buoy gets removed. */
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MakeStation(t, GetTileOwner(t), sid, STATION_BUOY, 0);
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SetWaterClass(t, wc);
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}
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static inline void MakeDock(TileIndex t, Owner o, StationID sid, DiagDirection d, WaterClass wc)
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{
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MakeStation(t, o, sid, STATION_DOCK, d);
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MakeStation(t + TileOffsByDiagDir(d), o, sid, STATION_DOCK, GFX_DOCK_BASE_WATER_PART + DiagDirToAxis(d));
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SetWaterClass(t + TileOffsByDiagDir(d), wc);
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}
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static inline void MakeOilrig(TileIndex t, StationID sid, WaterClass wc)
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{
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MakeStation(t, OWNER_NONE, sid, STATION_OILRIG, 0);
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SetWaterClass(t, wc);
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}
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#endif /* STATION_MAP_H */
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