author | celestar |
Wed, 13 Jun 2007 12:05:56 +0000 | |
branch | gamebalance |
changeset 9912 | 1ac8aac92385 |
parent 9911 | 0b8b245a2391 |
permissions | -rw-r--r-- |
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(svn r3658) Add functions and symbolic names to retrieve road tile types and road pieces
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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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|
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#include "macros.h" |
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#include "rail.h" |
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#include "road.h" |
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#include "tile.h" |
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36523d434783
(svn r3766) Add a function to get the RoadBits from an arbitrary tile
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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_STREET)); |
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return (RoadTileType)GB(_m[t].m5, 6, 2); |
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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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|
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4389ae5ad967
(svn r4435) - Fix: an assertion triggered when trying to remove a bridge with the remove-tool (r4348 surfaced this). In CmdRemoveRoad tiletype was not checked for ownership. Intorudce IsLevelCrossingTile() which checks if a tile is a crossing without knowing the type. Suggested by peter1138 and Tron.
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static inline bool IsLevelCrossingTile(TileIndex t) |
4389ae5ad967
(svn r4435) - Fix: an assertion triggered when trying to remove a bridge with the remove-tool (r4348 surfaced this). In CmdRemoveRoad tiletype was not checked for ownership. Intorudce IsLevelCrossingTile() which checks if a tile is a crossing without knowing the type. Suggested by peter1138 and Tron.
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{ |
4389ae5ad967
(svn r4435) - Fix: an assertion triggered when trying to remove a bridge with the remove-tool (r4348 surfaced this). In CmdRemoveRoad tiletype was not checked for ownership. Intorudce IsLevelCrossingTile() which checks if a tile is a crossing without knowing the type. Suggested by peter1138 and Tron.
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return IsTileType(t, MP_STREET) && IsLevelCrossing(t); |
4389ae5ad967
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} |
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static inline RoadBits GetRoadBits(TileIndex t, RoadType rt) |
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(svn r3984) Add a function to get the road axis of a level crossing
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{ |
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33cdb5bf7b21
(svn r4789) - Codechange: rename RoadType to RoadTileType and ROAD_{NORMAL,CROSSING,DEPOT} to ROAD_TILE_* for consistency
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assert(GetRoadTileType(t) == ROAD_TILE_NORMAL); |
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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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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(GetRoadTileType(t) == ROAD_TILE_NORMAL); // 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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{ |
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if (IsTileType(t, MP_STREET)) { |
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return (RoadTypes)GB(_me[t].m7, 5, 3); |
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} else { |
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return (RoadTypes)GB(_m[t].m3, 0, 3); |
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} |
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} |
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static inline void SetRoadTypes(TileIndex t, RoadTypes rt) |
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{ |
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if (IsTileType(t, MP_STREET)) { |
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SB(_me[t].m7, 5, 3, rt); |
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} else { |
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assert(IsTileType(t, MP_STATION) || IsTileType(t, MP_TUNNELBRIDGE)); |
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SB(_m[t].m3, 0, 2, rt); |
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} |
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} |
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static inline Owner GetRoadOwner(TileIndex t, RoadType rt) |
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{ |
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if (!IsTileType(t, MP_STREET)) return GetTileOwner(t); |
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switch (GetRoadTileType(t)) { |
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default: NOT_REACHED(); |
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case ROAD_TILE_NORMAL: |
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switch (rt) { |
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default: NOT_REACHED(); |
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case ROADTYPE_ROAD: return (Owner)GB( _m[t].m1, 0, 5); |
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case ROADTYPE_TRAM: { |
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/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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* to OWNER_TOWN makes it use one bit less */ |
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Owner o = (Owner)GB( _m[t].m5, 0, 4); |
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return o == OWNER_TOWN ? OWNER_NONE : o; |
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} |
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case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5); |
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} |
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case ROAD_TILE_CROSSING: |
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switch (rt) { |
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default: NOT_REACHED(); |
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case ROADTYPE_ROAD: return (Owner)GB( _m[t].m4, 0, 5); |
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case ROADTYPE_TRAM: { |
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/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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106 |
* to OWNER_TOWN makes it use one bit less */ |
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107 |
Owner o = (Owner)GB( _m[t].m5, 0, 4); |
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108 |
return o == OWNER_TOWN ? OWNER_NONE : o; |
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109 |
} |
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110 |
case ROADTYPE_HWAY: return (Owner)GB(_me[t].m7, 0, 5); |
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111 |
} |
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112 |
case ROAD_TILE_DEPOT: return GetTileOwner(t); |
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113 |
} |
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114 |
} |
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115 |
|
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116 |
static inline void SetRoadOwner(TileIndex t, RoadType rt, Owner o) |
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117 |
{ |
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118 |
if (!IsTileType(t, MP_STREET)) return SetTileOwner(t, o); |
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119 |
|
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120 |
switch (GetRoadTileType(t)) { |
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121 |
default: NOT_REACHED(); |
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122 |
case ROAD_TILE_NORMAL: |
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123 |
switch (rt) { |
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124 |
default: NOT_REACHED(); |
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125 |
case ROADTYPE_ROAD: SB( _m[t].m1, 0, 5, o); break; |
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126 |
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break; |
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127 |
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break; |
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128 |
} |
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129 |
break; |
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130 |
case ROAD_TILE_CROSSING: |
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131 |
switch (rt) { |
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132 |
default: NOT_REACHED(); |
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133 |
case ROADTYPE_ROAD: SB( _m[t].m4, 0, 5, o); break; |
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134 |
/* Trams don't need OWNER_TOWN, and remapping OWNER_NONE |
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135 |
* to OWNER_TOWN makes it use one bit less */ |
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136 |
case ROADTYPE_TRAM: SB( _m[t].m5, 0, 4, o == OWNER_NONE ? OWNER_TOWN : o); break; |
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137 |
case ROADTYPE_HWAY: SB(_me[t].m7, 0, 5, o); break; |
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138 |
} |
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139 |
break; |
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140 |
case ROAD_TILE_DEPOT: return SetTileOwner(t, o); |
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141 |
} |
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142 |
} |
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143 |
|
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144 |
/** Which directions are disallowed ? */ |
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145 |
enum DisallowedRoadDirections { |
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146 |
DRD_NONE, ///< None of the directions are disallowed |
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147 |
DRD_SOUTHBOUND, ///< All southbound traffic is disallowed |
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148 |
DRD_NORTHBOUND, ///< All northbound traffic is disallowed |
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149 |
DRD_BOTH, ///< All directions are disallowed |
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150 |
DRD_END |
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151 |
}; |
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152 |
DECLARE_ENUM_AS_BIT_SET(DisallowedRoadDirections); |
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153 |
|
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154 |
/** |
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155 |
* Gets the disallowed directions |
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156 |
* @param t the tile to get the directions from |
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157 |
* @return the disallowed directions |
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158 |
*/ |
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159 |
static inline DisallowedRoadDirections GetDisallowedRoadDirections(TileIndex t) |
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160 |
{ |
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161 |
assert(GetRoadTileType(t) == ROAD_TILE_NORMAL); |
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162 |
return (DisallowedRoadDirections)GB(_m[t].m5, 4, 2); |
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163 |
} |
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|
164 |
|
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|
165 |
/** |
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166 |
* Sets the disallowed directions |
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167 |
* @param t the tile to set the directions for |
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168 |
* @param drd the disallowed directions |
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169 |
*/ |
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170 |
static inline void SetDisallowedRoadDirections(TileIndex t, DisallowedRoadDirections drd) |
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171 |
{ |
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|
172 |
assert(GetRoadTileType(t) == ROAD_TILE_NORMAL); |
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173 |
assert(drd < DRD_END); |
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174 |
SB(_m[t].m5, 4, 2, drd); |
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175 |
} |
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|
176 |
|
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177 |
static inline Axis GetCrossingRoadAxis(TileIndex t) |
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178 |
{ |
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|
179 |
assert(GetRoadTileType(t) == ROAD_TILE_CROSSING); |
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180 |
return (Axis)GB(_m[t].m4, 6, 1); |
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181 |
} |
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|
182 |
|
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183 |
static inline RoadBits GetCrossingRoadBits(TileIndex tile) |
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184 |
{ |
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185 |
return GetCrossingRoadAxis(tile) == AXIS_X ? ROAD_X : ROAD_Y; |
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186 |
} |
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187 |
|
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188 |
static inline TrackBits GetCrossingRailBits(TileIndex tile) |
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189 |
{ |
4158 | 190 |
return AxisToTrackBits(OtherAxis(GetCrossingRoadAxis(tile))); |
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191 |
} |
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|
192 |
|
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|
193 |
|
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194 |
static inline void UnbarCrossing(TileIndex t) |
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195 |
{ |
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|
196 |
assert(GetRoadTileType(t) == ROAD_TILE_CROSSING); |
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197 |
CLRBIT(_m[t].m4, 5); |
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198 |
} |
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199 |
|
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200 |
static inline void BarCrossing(TileIndex t) |
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201 |
{ |
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|
202 |
assert(GetRoadTileType(t) == ROAD_TILE_CROSSING); |
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203 |
SETBIT(_m[t].m4, 5); |
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204 |
} |
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205 |
|
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206 |
static inline bool IsCrossingBarred(TileIndex t) |
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207 |
{ |
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|
208 |
assert(GetRoadTileType(t) == ROAD_TILE_CROSSING); |
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209 |
return HASBIT(_m[t].m4, 5); |
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210 |
} |
3274 | 211 |
|
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212 |
#define IsOnDesert IsOnSnow |
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213 |
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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|
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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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|
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224 |
|
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enum Roadside { |
4048 | 226 |
ROADSIDE_BARREN = 0, |
227 |
ROADSIDE_GRASS = 1, |
|
228 |
ROADSIDE_PAVED = 2, |
|
229 |
ROADSIDE_STREET_LIGHTS = 3, |
|
230 |
ROADSIDE_TREES = 5, |
|
231 |
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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239 |
|
4048 | 240 |
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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244 |
|
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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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249 |
|
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static inline bool IncreaseRoadWorksCounter(TileIndex t) |
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{ |
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AB(_m[t].m3, 0, 4, 1); |
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253 |
|
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return GB(_m[t].m3, 0, 4) == 15; |
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} |
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256 |
|
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static inline void StartRoadWorks(TileIndex t) |
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{ |
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assert(!HasRoadWorks(t)); |
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260 |
/* Remove any trees or lamps in case or roadwork */ |
4048 | 261 |
switch (GetRoadside(t)) { |
262 |
case ROADSIDE_BARREN: |
|
263 |
case ROADSIDE_GRASS: SetRoadside(t, ROADSIDE_GRASS_ROAD_WORKS); break; |
|
264 |
default: SetRoadside(t, ROADSIDE_PAVED_ROAD_WORKS); break; |
|
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265 |
} |
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} |
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|
267 |
|
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static inline void TerminateRoadWorks(TileIndex t) |
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{ |
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270 |
assert(HasRoadWorks(t)); |
4048 | 271 |
SetRoadside(t, (Roadside)(GetRoadside(t) - ROADSIDE_GRASS_ROAD_WORKS + ROADSIDE_GRASS)); |
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272 |
/* Stop the counter */ |
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273 |
SB(_m[t].m3, 0, 4, 0); |
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} |
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275 |
|
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276 |
|
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static inline DiagDirection GetRoadDepotDirection(TileIndex t) |
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{ |
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assert(GetRoadTileType(t) == ROAD_TILE_DEPOT); |
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return (DiagDirection)GB(_m[t].m5, 0, 2); |
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281 |
} |
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282 |
|
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|
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284 |
/** |
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* Returns the RoadBits on an arbitrary tile |
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* Special behaviour: |
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* - road depots: entrance is treated as road piece |
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* - road tunnels: entrance is treated as road piece |
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* - bridge ramps: start of the ramp is treated as road piece |
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* - bridge middle parts: bridge itself is ignored |
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* @param tile the tile to get the road bits for |
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* @param rt the road type to get the road bits form |
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* @return the road bits of the given tile |
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294 |
*/ |
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RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt); |
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296 |
|
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297 |
/** |
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|
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* Get the accessible track bits for the given tile. |
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|
299 |
* Special behaviour: |
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|
300 |
* - road depots: no track bits |
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|
301 |
* - non-drive-through stations: no track bits |
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* @param tile the tile to get the track bits for |
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* @return the track bits for the given tile |
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|
304 |
*/ |
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|
305 |
TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt); |
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|
306 |
|
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|
307 |
|
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|
308 |
static inline void MakeRoadNormal(TileIndex t, RoadBits bits, RoadTypes rot, TownID town, Owner road, Owner tram, Owner hway) |
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309 |
{ |
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310 |
SetTileType(t, MP_STREET); |
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311 |
SetTileOwner(t, road); |
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_m[t].m2 = town; |
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313 |
_m[t].m3 = 0; |
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|
314 |
_m[t].m4 = (HASBIT(rot, ROADTYPE_TRAM) ? bits : 0) << 4 | (HASBIT(rot, ROADTYPE_ROAD) ? bits : 0); |
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|
315 |
_m[t].m5 = ROAD_TILE_NORMAL << 6; |
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316 |
SetRoadOwner(t, ROADTYPE_TRAM, tram); |
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|
317 |
SB(_m[t].m6, 2, 4, HASBIT(rot, ROADTYPE_HWAY) ? bits : 0); |
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|
318 |
_me[t].m7 = rot << 5 | hway; |
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319 |
} |
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320 |
|
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|
321 |
|
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322 |
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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323 |
{ |
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324 |
SetTileType(t, MP_STREET); |
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325 |
SetTileOwner(t, rail); |
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326 |
_m[t].m2 = town; |
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327 |
_m[t].m3 = rat; |
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|
328 |
_m[t].m4 = roaddir << 6 | road; |
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|
329 |
_m[t].m5 = ROAD_TILE_CROSSING << 6; |
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|
330 |
SetRoadOwner(t, ROADTYPE_TRAM, tram); |
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SB(_m[t].m6, 2, 4, 0); |
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_me[t].m7 = rot << 5 | hway; |
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} |
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|
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static inline void MakeRoadDepot(TileIndex t, Owner owner, DiagDirection dir, RoadType rt) |
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{ |
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SetTileType(t, MP_STREET); |
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SetTileOwner(t, owner); |
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_m[t].m2 = 0; |
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_m[t].m3 = 0; |
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_m[t].m4 = 0; |
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_m[t].m5 = ROAD_TILE_DEPOT << 6 | dir; |
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SB(_m[t].m6, 2, 4, 0); |
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_me[t].m7 = RoadTypeToRoadTypes(rt) << 5; |
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} |
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#endif /* ROAD_MAP_H */ |