author | richk |
Tue, 15 Apr 2008 00:47:19 +0000 | |
branch | NewGRF_ports |
changeset 10184 | fcf5fb2548eb |
parent 6878 | 7d1ff2f621c7 |
child 10724 | 68a692eacf22 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file road_map.h */ |
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#ifndef ROAD_MAP_H |
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#define ROAD_MAP_H |
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#include "track_func.h" |
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#include "rail_type.h" |
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#include "town_type.h" |
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#include "road_func.h" |
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#include "tile_map.h" |
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enum RoadTileType { |
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ROAD_TILE_NORMAL, |
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ROAD_TILE_CROSSING, |
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ROAD_TILE_DEPOT |
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}; |
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static inline RoadTileType GetRoadTileType(TileIndex t) |
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{ |
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assert(IsTileType(t, MP_ROAD)); |
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return (RoadTileType)GB(_m[t].m5, 6, 2); |
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} |
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static inline bool IsNormalRoad(TileIndex t) |
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{ |
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return GetRoadTileType(t) == ROAD_TILE_NORMAL; |
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} |
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static inline bool IsNormalRoadTile(TileIndex t) |
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{ |
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return IsTileType(t, MP_ROAD) && IsNormalRoad(t); |
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} |
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static inline bool IsLevelCrossing(TileIndex t) |
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{ |
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return GetRoadTileType(t) == ROAD_TILE_CROSSING; |
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} |
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static inline bool IsLevelCrossingTile(TileIndex t) |
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{ |
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return IsTileType(t, MP_ROAD) && IsLevelCrossing(t); |
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} |
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static inline bool IsRoadDepot(TileIndex t) |
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{ |
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return GetRoadTileType(t) == ROAD_TILE_DEPOT; |
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} |
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static inline bool IsRoadDepotTile(TileIndex t) |
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{ |
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return IsTileType(t, MP_ROAD) && IsRoadDepot(t); |
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} |
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static inline RoadBits GetRoadBits(TileIndex t, RoadType rt) |
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{ |
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assert(IsNormalRoad(t)); |
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switch (rt) { |
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default: NOT_REACHED(); |
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case ROADTYPE_ROAD: return (RoadBits)GB(_m[t].m4, 0, 4); |
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case ROADTYPE_TRAM: return (RoadBits)GB(_m[t].m4, 4, 4); |
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case ROADTYPE_HWAY: return (RoadBits)GB(_m[t].m6, 2, 4); |
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} |
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} |
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/** |
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* Get all RoadBits set on a tile except from the given RoadType |
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* |
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* @param t The tile from which we want to get the RoadBits |
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* @param rt The RoadType which we exclude from the querry |
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* @return all set RoadBits of the tile which are not from the given RoadType |
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*/ |
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static inline RoadBits GetOtherRoadBits(TileIndex t, RoadType rt) |
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{ |
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return ((rt == ROADTYPE_ROAD) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_ROAD)) | |
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((rt == ROADTYPE_TRAM) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_TRAM)) | |
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((rt == ROADTYPE_HWAY) ? ROAD_NONE : GetRoadBits(t, ROADTYPE_HWAY)); |
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} |
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/** |
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* Get all set RoadBits on the given tile |
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* |
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* @param tile The tile from which we want to get the RoadBits |
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* @return all set RoadBits of the tile |
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*/ |
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static inline RoadBits GetAllRoadBits(TileIndex tile) |
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{ |
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return GetRoadBits(tile, ROADTYPE_ROAD) | GetRoadBits(tile, ROADTYPE_TRAM) | GetRoadBits(tile, ROADTYPE_HWAY); |
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} |
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static inline void SetRoadBits(TileIndex t, RoadBits r, RoadType rt) |
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{ |
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assert(IsNormalRoad(t)); // XXX incomplete |
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switch (rt) { |
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default: NOT_REACHED(); |
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case ROADTYPE_ROAD: SB(_m[t].m4, 0, 4, r); break; |
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case ROADTYPE_TRAM: SB(_m[t].m4, 4, 4, r); break; |
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case ROADTYPE_HWAY: SB(_m[t].m6, 2, 4, r); break; |
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} |
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} |
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static inline RoadTypes GetRoadTypes(TileIndex t) |
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|
105 |
{ |
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106 |
if (IsTileType(t, MP_ROAD)) { |
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|
107 |
return (RoadTypes)GB(_me[t].m7, 5, 3); |
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108 |
} else { |
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109 |
return (RoadTypes)GB(_m[t].m3, 0, 3); |
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110 |
} |
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111 |
} |
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|
112 |
|
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|
113 |
static inline void SetRoadTypes(TileIndex t, RoadTypes rt) |
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114 |
{ |
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|
115 |
if (IsTileType(t, MP_ROAD)) { |
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116 |
SB(_me[t].m7, 5, 3, rt); |
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117 |
} else { |
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118 |
assert(IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE)); |
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119 |
SB(_m[t].m3, 0, 2, rt); |
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120 |
} |
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121 |
} |
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|
122 |
|
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123 |
static inline bool HasTileRoadType(TileIndex t, RoadType rt) |
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124 |
{ |
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125 |
return HasBit(GetRoadTypes(t), rt); |
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126 |
} |
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127 |
|
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128 |
static inline Owner GetRoadOwner(TileIndex t, RoadType rt) |
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129 |
{ |
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130 |
if (!IsTileType(t, MP_ROAD)) return GetTileOwner(t); |
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131 |
|
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132 |
switch (GetRoadTileType(t)) { |
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133 |
default: NOT_REACHED(); |
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|
134 |
case ROAD_TILE_NORMAL: |
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|
135 |
switch (rt) { |
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|
136 |
default: NOT_REACHED(); |
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|
137 |
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m1, 0, 5); |
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|
138 |
case ROADTYPE_TRAM: { |
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|
139 |
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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140 |
* to OWNER_TOWN makes it use one bit less */ |
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|
141 |
Owner o = (Owner)GB( _m[t].m5, 0, 4); |
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142 |
return o == OWNER_TOWN ? OWNER_NONE : o; |
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143 |
} |
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144 |
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5); |
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145 |
} |
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|
146 |
case ROAD_TILE_CROSSING: |
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|
147 |
switch (rt) { |
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148 |
default: NOT_REACHED(); |
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|
149 |
case ROADTYPE_ROAD: return (Owner)GB( _m[t].m4, 0, 5); |
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|
150 |
case ROADTYPE_TRAM: { |
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|
151 |
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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152 |
* to OWNER_TOWN makes it use one bit less */ |
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|
153 |
Owner o = (Owner)GB( _m[t].m5, 0, 4); |
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154 |
return o == OWNER_TOWN ? OWNER_NONE : o; |
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155 |
} |
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|
156 |
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5); |
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|
157 |
} |
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|
158 |
case ROAD_TILE_DEPOT: return GetTileOwner(t); |
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|
159 |
} |
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|
160 |
} |
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|
161 |
|
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|
162 |
static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o) |
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|
163 |
{ |
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|
164 |
if (!IsTileType(t, MP_ROAD)) return SetTileOwner(t, o); |
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|
165 |
|
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|
166 |
switch (GetRoadTileType(t)) { |
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|
167 |
default: NOT_REACHED(); |
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|
168 |
case ROAD_TILE_NORMAL: |
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|
169 |
switch (rt) { |
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|
170 |
default: NOT_REACHED(); |
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|
171 |
case ROADTYPE_ROAD: SB( _m[t].m1, 0, 5, o); break; |
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|
172 |
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break; |
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|
173 |
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break; |
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|
174 |
} |
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|
175 |
break; |
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|
176 |
case ROAD_TILE_CROSSING: |
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|
177 |
switch (rt) { |
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changeset
|
178 |
default: NOT_REACHED(); |
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changeset
|
179 |
case ROADTYPE_ROAD: SB( _m[t].m4, 0, 5, o); break; |
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changeset
|
180 |
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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changeset
|
181 |
* to OWNER_TOWN makes it use one bit less */ |
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changeset
|
182 |
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break; |
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changeset
|
183 |
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break; |
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|
184 |
} |
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changeset
|
185 |
break; |
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changeset
|
186 |
case ROAD_TILE_DEPOT: return SetTileOwner(t, o); |
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|
187 |
} |
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|
188 |
} |
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|
189 |
|
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|
190 |
/** Which directions are disallowed ? */ |
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|
191 |
enum DisallowedRoadDirections { |
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|
192 |
DRD_NONE, ///< None of the directions are disallowed |
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|
193 |
DRD_SOUTHBOUND, ///< All southbound traffic is disallowed |
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|
194 |
DRD_NORTHBOUND, ///< All northbound traffic is disallowed |
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|
195 |
DRD_BOTH, ///< All directions are disallowed |
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|
196 |
DRD_END |
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|
197 |
}; |
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|
198 |
DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections); |
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|
199 |
|
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|
200 |
/** |
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changeset
|
201 |
* Gets the disallowed directions |
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|
202 |
* @param t the tile to get the directions from |
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|
203 |
* @return the disallowed directions |
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|
204 |
*/ |
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|
205 |
static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t) |
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|
206 |
{ |
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changeset
|
207 |
assert(IsNormalRoad(t)); |
6719
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|
208 |
return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2); |
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|
209 |
} |
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|
210 |
|
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|
211 |
/** |
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changeset
|
212 |
* Sets the disallowed directions |
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* @param t the tile to set the directions for |
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* @param drd the disallowed directions |
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*/ |
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static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd) |
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{ |
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assert(IsNormalRoad(t)); |
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assert(drd < DRD_END); |
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SB(_m[t].m5, 4, 2, drd); |
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} |
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222 |
|
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static inline Axis GetCrossingRoadAxis(TileIndex t) |
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{ |
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assert(IsLevelCrossing(t)); |
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return (Axis)GB(_m[t].m4, 6, 1); |
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} |
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228 |
|
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static inline Axis GetCrossingRailAxis(TileIndex t) |
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{ |
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assert(IsLevelCrossing(t)); |
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return OtherAxis((Axis)GetCrossingRoadAxis(t)); |
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} |
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234 |
|
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static inline RoadBits GetCrossingRoadBits(TileIndex tile) |
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{ |
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return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y; |
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} |
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239 |
|
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static inline Track GetCrossingRailTrack(TileIndex tile) |
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{ |
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return AxisToTrack(GetCrossingRailAxis(tile)); |
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} |
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244 |
|
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static inline TrackBits GetCrossingRailBits(TileIndex tile) |
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246 |
{ |
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return AxisToTrackBits(GetCrossingRailAxis(tile)); |
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} |
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249 |
|
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static inline bool IsCrossingBarred(TileIndex t) |
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{ |
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assert(IsLevelCrossing(t)); |
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return HasBit(_m[t].m4, 5); |
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} |
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255 |
|
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256 |
static inline void SetCrossingBarred(TileIndex t, bool barred) |
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{ |
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assert(IsLevelCrossing(t)); |
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SB(_m[t].m4, 5, 1, barred); |
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} |
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261 |
|
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static inline void UnbarCrossing(TileIndex t) |
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{ |
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SetCrossingBarred(t, false); |
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} |
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266 |
|
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static inline void BarCrossing(TileIndex t) |
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268 |
{ |
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SetCrossingBarred(t, true); |
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} |
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|
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#define IsOnDesert IsOnSnow |
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static inline bool IsOnSnow(TileIndex t) |
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{ |
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return HasBit(_m[t].m3, 7); |
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} |
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277 |
|
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#define ToggleDesert ToggleSnow |
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static inline void ToggleSnow(TileIndex t) |
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{ |
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ToggleBit(_m[t].m3, 7); |
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} |
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283 |
|
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|
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enum Roadside { |
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ROADSIDE_BARREN = 0, |
287 |
ROADSIDE_GRASS = 1, |
|
288 |
ROADSIDE_PAVED = 2, |
|
289 |
ROADSIDE_STREET_LIGHTS = 3, |
|
290 |
ROADSIDE_TREES = 5, |
|
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ROADSIDE_GRASS_ROAD_WORKS = 6, |
|
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ROADSIDE_PAVED_ROAD_WORKS = 7 |
|
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}; |
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|
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static inline Roadside GetRoadside(TileIndex tile) |
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{ |
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return (Roadside)GB(_m[tile].m3, 4, 3); |
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} |
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299 |
|
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static inline void SetRoadside(TileIndex tile, Roadside s) |
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{ |
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SB(_m[tile].m3, 4, 3, s); |
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} |
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304 |
|
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static inline bool HasRoadWorks(TileIndex t) |
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{ |
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return GetRoadside(t) >= ROADSIDE_GRASS_ROAD_WORKS; |
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} |
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309 |
|
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static inline bool IncreaseRoadWorksCounter(TileIndex t) |
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311 |
{ |
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AB(_m[t].m3, 0, 4, 1); |
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313 |
|
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return GB(_m[t].m3, 0, 4) == 15; |
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315 |
} |
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316 |
|
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static inline void StartRoadWorks(TileIndex t) |
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{ |
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319 |
assert(!HasRoadWorks(t)); |
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|
320 |
/* Remove any trees or lamps in case or roadwork */ |
4048 | 321 |
switch (GetRoadside(t)) { |
322 |
case ROADSIDE_BARREN: |
|
323 |
case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break; |
|
324 |
default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break; |
|
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|
325 |
} |
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} |
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|
327 |
|
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static inline void TerminateRoadWorks(TileIndex t) |
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329 |
{ |
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|
330 |
assert(HasRoadWorks(t)); |
4048 | 331 |
SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS)); |
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332 |
/* Stop the counter */ |
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|
333 |
SB(_m[t].m3, 0, 4, 0); |
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334 |
} |
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|
335 |
|
3069
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changeset
|
336 |
|
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|
337 |
static inline DiagDirection GetRoadDepotDirection(TileIndex t) |
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|
338 |
{ |
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|
339 |
assert(IsRoadDepot(t)); |
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|
340 |
return (DiagDirection)GB(_m[t].m5, 0, 2); |
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|
341 |
} |
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|
342 |
|
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changeset
|
343 |
|
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|
344 |
/** |
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|
345 |
* Returns the RoadBits on an arbitrary tile |
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|
346 |
* Special behaviour: |
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changeset
|
347 |
* - road depots: entrance is treated as road piece |
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|
348 |
* - road tunnels: entrance is treated as road piece |
3196 | 349 |
* - bridge ramps: start of the ramp is treated as road piece |
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|
350 |
* - bridge middle parts: bridge itself is ignored |
10184
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|
351 |
* |
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|
352 |
* If straight_tunnel_bridge_entrance is set a ROAD_X or ROAD_Y |
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|
353 |
* for bridge ramps and tunnel entrances is returned depending |
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|
354 |
* on the orientation of the tunnel or bridge. |
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|
355 |
* @param tile the tile to get the road bits for |
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|
356 |
* @param rt the road type to get the road bits form |
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|
357 |
* @param stbe whether to return straight road bits for tunnels/bridges. |
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|
358 |
* @return the road bits of the given tile |
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changeset
|
359 |
*/ |
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changeset
|
360 |
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false); |
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changeset
|
361 |
|
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|
362 |
/** |
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|
363 |
* Get the accessible track bits for the given tile. |
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changeset
|
364 |
* Special behaviour: |
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changeset
|
365 |
* - road depots: no track bits |
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|
366 |
* - non-drive-through stations: no track bits |
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|
367 |
* @param tile the tile to get the track bits for |
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|
368 |
* @return the track bits for the given tile |
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|
369 |
*/ |
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|
370 |
TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt); |
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changeset
|
371 |
|
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changeset
|
372 |
/** |
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changeset
|
373 |
* Return if the tile is a valid tile for a crossing. |
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changeset
|
374 |
* |
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changeset
|
375 |
* @note function is overloaded |
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changeset
|
376 |
* @param tile the curent tile |
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changeset
|
377 |
* @param ax the axis of the road over the rail |
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|
378 |
* @return true if it is a valid tile |
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changeset
|
379 |
*/ |
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|
380 |
bool IsPossibleCrossing(const TileIndex tile, Axis ax); |
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changeset
|
381 |
|
3150
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changeset
|
382 |
|
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|
383 |
static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram, Owner hway) |
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|
384 |
{ |
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|
385 |
SetTileType(t, MP_ROAD); |
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changeset
|
386 |
SetTileOwner(t, road); |
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|
387 |
_m[t].m2 = town; |
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changeset
|
388 |
_m[t].m3 = 0; |
6871
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changeset
|
389 |
_m[t].m4 = (HasBit(rot, ROADTYPE_TRAM) ? bits : 0) << 4 | (HasBit(rot, ROADTYPE_ROAD) ? bits : 0); |
6719
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changeset
|
390 |
_m[t].m5 = ROAD_TILE_NORMAL << 6; |
4cc327ad39d5
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changeset
|
391 |
SetRoadOwner(t, ROADTYPE_TRAM, tram); |
6871
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changeset
|
392 |
SB(_m[t].m6, 2, 4, HasBit(rot, ROADTYPE_HWAY) ? bits : 0); |
6719
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changeset
|
393 |
_me[t].m7 = rot << 5 | hway; |
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changeset
|
394 |
} |
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changeset
|
395 |
|
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changeset
|
396 |
|
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changeset
|
397 |
static inline void MakeRoadCrossing(TileIndex t, Owner road, Owner tram, Owner hway, Owner rail, Axis roaddir, RailType rat, RoadTypes rot, uint town) |
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changeset
|
398 |
{ |
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changeset
|
399 |
SetTileType(t, MP_ROAD); |
3099
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changeset
|
400 |
SetTileOwner(t, rail); |
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changeset
|
401 |
_m[t].m2 = town; |
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changeset
|
402 |
_m[t].m3 = rat; |
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changeset
|
403 |
_m[t].m4 = roaddir << 6 | road; |
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changeset
|
404 |
_m[t].m5 = ROAD_TILE_CROSSING << 6; |
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changeset
|
405 |
SetRoadOwner(t, ROADTYPE_TRAM, tram); |
4cc327ad39d5
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changeset
|
406 |
SB(_m[t].m6, 2, 4, 0); |
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changeset
|
407 |
_me[t].m7 = rot << 5 | hway; |
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changeset
|
408 |
} |
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changeset
|
409 |
|
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changeset
|
410 |
|
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changeset
|
411 |
static inline void MakeRoadDepot(TileIndex t, Owner owner, DiagDirection dir, RoadType rt) |
3099
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changeset
|
412 |
{ |
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changeset
|
413 |
SetTileType(t, MP_ROAD); |
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changeset
|
414 |
SetTileOwner(t, owner); |
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changeset
|
415 |
_m[t].m2 = 0; |
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changeset
|
416 |
_m[t].m3 = 0; |
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changeset
|
417 |
_m[t].m4 = 0; |
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changeset
|
418 |
_m[t].m5 = ROAD_TILE_DEPOT << 6 | dir; |
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changeset
|
419 |
SB(_m[t].m6, 2, 4, 0); |
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changeset
|
420 |
_me[t].m7 = RoadTypeToRoadTypes(rt) << 5; |
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changeset
|
421 |
} |
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changeset
|
422 |
|
4666
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(svn r6560) - Codechange: Minor fix; add missing #include guards and comments, and correct svn properties on bmp.[ch]
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changeset
|
423 |
#endif /* ROAD_MAP_H */ |