annotate src/station_map.h @ 7928:4e8dfd103163 draft

(svn r11481) -Codechange: Rename the HASBIT function to fit with the naming style
author skidd13 <skidd13@openttd.org>
date Mon, 19 Nov 2007 21:02:30 +0000
parents 3387a53e113f
children 60ea0f95de91
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1 /* $Id$ */
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2
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3 /** @file station_map.h */
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4
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5 #ifndef STATION_MAP_H
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6 #define STATION_MAP_H
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7
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8 #include "rail_map.h"
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9 #include "road_map.h"
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10 #include "station.h"
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11
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12 typedef byte StationGfx;
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13
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14 static inline StationID GetStationIndex(TileIndex t)
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15 {
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16 assert(IsTileType(t, MP_STATION));
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17 return (StationID)_m[t].m2;
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18 }
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20 static inline Station *GetStationByTile(TileIndex t)
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21 {
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22 return GetStation(GetStationIndex(t));
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23 }
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26 enum {
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27 GFX_RADAR_LARGE_FIRST = 31,
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28 GFX_RADAR_LARGE_LAST = 42,
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29 GFX_WINDSACK_FIRST = 50,
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30 GFX_WINDSACK_LAST = 53,
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32 GFX_DOCK_BASE_WATER_PART = 4,
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33 GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET = 4,
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35 GFX_RADAR_INTERNATIONAL_FIRST = 66,
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36 GFX_RADAR_INTERNATIONAL_LAST = 77,
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37 GFX_RADAR_METROPOLITAN_FIRST = 78,
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38 GFX_RADAR_METROPOLITAN_LAST = 89,
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39 GFX_RADAR_DISTRICTWE_FIRST = 121,
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40 GFX_RADAR_DISTRICTWE_LAST = 132,
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41 GFX_WINDSACK_INTERCON_FIRST = 140,
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42 GFX_WINDSACK_INTERCON_LAST = 143,
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43 };
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45 static inline StationType GetStationType(TileIndex t)
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46 {
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47 return (StationType)GB(_m[t].m6, 3, 3);
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48 }
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49
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50 static inline RoadStop::Type GetRoadStopType(TileIndex t)
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51 {
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52 assert(GetStationType(t) == STATION_TRUCK || GetStationType(t) == STATION_BUS);
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53 return GetStationType(t) == STATION_TRUCK ? RoadStop::TRUCK : RoadStop::BUS;
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54 }
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55
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56 static inline StationGfx GetStationGfx(TileIndex t)
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57 {
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58 assert(IsTileType(t, MP_STATION));
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59 return _m[t].m5;
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60 }
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61
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62 static inline void SetStationGfx(TileIndex t, StationGfx gfx)
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63 {
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64 assert(IsTileType(t, MP_STATION));
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65 _m[t].m5 = gfx;
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66 }
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67
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68 static inline bool IsRailwayStation(TileIndex t)
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69 {
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70 return GetStationType(t) == STATION_RAIL;
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71 }
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73 static inline bool IsRailwayStationTile(TileIndex t)
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74 {
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75 return IsTileType(t, MP_STATION) && IsRailwayStation(t);
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76 }
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77
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78 static inline bool IsAirport(TileIndex t)
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79 {
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80 return GetStationType(t) == STATION_AIRPORT;
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81 }
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82
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83 bool IsHangar(TileIndex t);
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84
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85 static inline bool IsTruckStop(TileIndex t)
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86 {
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87 return GetStationType(t) == STATION_TRUCK;
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88 }
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89
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90 static inline bool IsBusStop(TileIndex t)
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91 {
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92 return GetStationType(t) == STATION_BUS;
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93 }
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95 static inline bool IsRoadStop(TileIndex t)
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96 {
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97 assert(IsTileType(t, MP_STATION));
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98 return IsTruckStop(t) || IsBusStop(t);
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99 }
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100
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101 static inline bool IsRoadStopTile(TileIndex t)
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102 {
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103 return IsTileType(t, MP_STATION) && IsRoadStop(t);
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104 }
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105
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106 static inline bool IsStandardRoadStopTile(TileIndex t)
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107 {
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108 return IsRoadStopTile(t) && GetStationGfx(t) < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
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109 }
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110
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111 static inline bool IsDriveThroughStopTile(TileIndex t)
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112 {
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113 return IsRoadStopTile(t) && GetStationGfx(t) >= GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET;
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114 }
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115
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116 static inline bool GetStopBuiltOnTownRoad(TileIndex t)
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117 {
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118 assert(IsDriveThroughStopTile(t));
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119 return HasBit(_m[t].m6, 2);
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120 }
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121
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122
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123 /**
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124 * Gets the direction the road stop entrance points towards.
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125 */
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126 static inline DiagDirection GetRoadStopDir(TileIndex t)
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127 {
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128 StationGfx gfx = GetStationGfx(t);
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129 assert(IsRoadStopTile(t));
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130 if (gfx < GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET) {
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131 return (DiagDirection)(gfx);
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132 } else {
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133 return (DiagDirection)(gfx - GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET);
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134 }
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135 }
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136
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137 static inline bool IsOilRig(TileIndex t)
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138 {
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139 return GetStationType(t) == STATION_OILRIG;
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140 }
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141
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142 static inline bool IsDock(TileIndex t)
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143 {
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144 return GetStationType(t) == STATION_DOCK;
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145 }
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146
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147 static inline bool IsBuoy(TileIndex t)
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148 {
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149 return GetStationType(t) == STATION_BUOY;
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150 }
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151
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152 static inline bool IsBuoyTile(TileIndex t)
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153 {
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154 return IsTileType(t, MP_STATION) && IsBuoy(t);
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155 }
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156
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157 static inline bool IsCanalBuoyTile(TileIndex t)
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158 {
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159 return IsBuoyTile(t) && !IsTileOwner(t, OWNER_WATER);
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160 }
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161
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162 static inline bool IsSeaBuoyTile(TileIndex t)
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163 {
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164 return IsBuoyTile(t) && IsTileOwner(t, OWNER_WATER);
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165 }
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166
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167 static inline bool IsHangarTile(TileIndex t)
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168 {
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169 return IsTileType(t, MP_STATION) && IsHangar(t);
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170 }
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171
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172
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173 static inline Axis GetRailStationAxis(TileIndex t)
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174 {
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175 assert(IsRailwayStation(t));
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176 return HasBit(GetStationGfx(t), 0) ? AXIS_Y : AXIS_X;
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177 }
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178
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179
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180 static inline Track GetRailStationTrack(TileIndex t)
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181 {
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182 return AxisToTrack(GetRailStationAxis(t));
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183 }
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184
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185 static inline bool IsCompatibleTrainStationTile(TileIndex t1, TileIndex t2)
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186 {
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187 assert(IsRailwayStationTile(t2));
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188 return
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189 IsRailwayStationTile(t1) &&
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190 IsCompatibleRail(GetRailType(t1), GetRailType(t2)) &&
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191 GetRailStationAxis(t1) == GetRailStationAxis(t2) &&
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192 !IsStationTileBlocked(t1);
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193 }
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194
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195
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196 static inline DiagDirection GetDockDirection(TileIndex t)
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197 {
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198 StationGfx gfx = GetStationGfx(t);
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199 assert(IsDock(t) && gfx < GFX_DOCK_BASE_WATER_PART);
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200 return (DiagDirection)(gfx);
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201 }
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202
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203 static inline TileIndexDiffC GetDockOffset(TileIndex t)
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204 {
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205 static const TileIndexDiffC buoy_offset = {0, 0};
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206 static const TileIndexDiffC oilrig_offset = {2, 0};
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207 static const TileIndexDiffC dock_offset[DIAGDIR_END] = {
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208 {-2, 0},
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209 { 0, 2},
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210 { 2, 0},
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211 { 0, -2},
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212 };
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213 assert(IsTileType(t, MP_STATION));
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214
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215 if (IsBuoy(t)) return buoy_offset;
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216 if (IsOilRig(t)) return oilrig_offset;
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217
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218 assert(IsDock(t));
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219
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220 return dock_offset[GetDockDirection(t)];
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221 }
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222
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223 static inline bool IsCustomStationSpecIndex(TileIndex t)
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224 {
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225 assert(IsTileType(t, MP_STATION));
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226 return _m[t].m4 != 0;
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227 }
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228
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229 static inline void SetCustomStationSpecIndex(TileIndex t, byte specindex)
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230 {
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231 assert(IsTileType(t, MP_STATION));
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232 _m[t].m4 = specindex;
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233 }
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234
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235 static inline uint GetCustomStationSpecIndex(TileIndex t)
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236 {
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237 assert(IsTileType(t, MP_STATION));
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238 return _m[t].m4;
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239 }
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240
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241 static inline void SetStationTileRandomBits(TileIndex t, byte random_bits)
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242 {
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243 assert(IsTileType(t, MP_STATION));
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244 SB(_m[t].m3, 4, 4, random_bits);
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245 }
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246
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247 static inline byte GetStationTileRandomBits(TileIndex t)
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248 {
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249 assert(IsTileType(t, MP_STATION));
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250 return GB(_m[t].m3, 4, 4);
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251 }
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252
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253 static inline void MakeStation(TileIndex t, Owner o, StationID sid, StationType st, byte section)
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254 {
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255 SetTileType(t, MP_STATION);
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256 SetTileOwner(t, o);
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257 _m[t].m2 = sid;
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258 _m[t].m3 = 0;
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259 _m[t].m4 = 0;
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260 _m[t].m5 = section;
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261 SB(_m[t].m6, 3, 3, st);
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262 }
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263
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264 static inline void MakeRailStation(TileIndex t, Owner o, StationID sid, Axis a, byte section, RailType rt)
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265 {
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266 MakeStation(t, o, sid, STATION_RAIL, section + a);
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267 SetRailType(t, rt);
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268 }
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269
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270 static inline void MakeRoadStop(TileIndex t, Owner o, StationID sid, RoadStop::Type rst, RoadTypes rt, DiagDirection d)
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271 {
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272 MakeStation(t, o, sid, (rst == RoadStop::BUS ? STATION_BUS : STATION_TRUCK), d);
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273 SetRoadTypes(t, rt);
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274 }
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275
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276 static inline void MakeDriveThroughRoadStop(TileIndex t, Owner o, StationID sid, RoadStop::Type rst, RoadTypes rt, Axis a, bool on_town_road)
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277 {
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278 MakeStation(t, o, sid, (rst == RoadStop::BUS ? STATION_BUS : STATION_TRUCK), GFX_TRUCK_BUS_DRIVETHROUGH_OFFSET + a);
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279 SB(_m[t].m6, 2, 1, on_town_road);
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280 SetRoadTypes(t, rt);
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281 }
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282
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283 static inline void MakeAirport(TileIndex t, Owner o, StationID sid, byte section)
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284 {
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285 MakeStation(t, o, sid, STATION_AIRPORT, section);
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286 }
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287
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288 static inline void MakeBuoy(TileIndex t, StationID sid)
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289 {
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290 /* Make the owner of the buoy tile the same as the current owner of the
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291 * water tile. In this way, we can reset the owner of the water to its
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292 * original state when the buoy gets removed. */
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293 MakeStation(t, GetTileOwner(t), sid, STATION_BUOY, 0);
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294 }
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295
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296 static inline void MakeDock(TileIndex t, Owner o, StationID sid, DiagDirection d)
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297 {
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298 MakeStation(t, o, sid, STATION_DOCK, d);
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299 MakeStation(t + TileOffsByDiagDir(d), o, sid, STATION_DOCK, GFX_DOCK_BASE_WATER_PART + DiagDirToAxis(d));
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300 }
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301
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302 static inline void MakeOilrig(TileIndex t, StationID sid)
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303 {
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304 MakeStation(t, OWNER_NONE, sid, STATION_OILRIG, 0);
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305 }
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306
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307 #endif /* STATION_MAP_H */