| author | smatz |
| Sun, 16 Dec 2007 15:38:51 +0000 | |
| changeset 8083 | ad22eade501f |
| parent 7928 | 63e18de69e50 |
| child 8088 | 92fca5b09665 |
| permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file road_map.cpp */ |
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#include "stdafx.h" |
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#include "openttd.h" |
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#include "bridge_map.h" |
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#include "functions.h" |
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#include "landscape.h" |
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#include "road_map.h" |
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#include "station.h" |
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#include "tunnel_map.h" |
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#include "station_map.h" |
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#include "depot.h" |
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#include "tunnelbridge_map.h" |
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RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt) |
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{
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if (!HasBit(GetRoadTypes(tile), rt)) return ROAD_NONE; |
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switch (GetTileType(tile)) {
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case MP_ROAD: |
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switch (GetRoadTileType(tile)) {
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default: |
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case ROAD_TILE_NORMAL: return GetRoadBits(tile, rt); |
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case ROAD_TILE_CROSSING: return GetCrossingRoadBits(tile); |
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case ROAD_TILE_DEPOT: return DiagDirToRoadBits(GetRoadDepotDirection(tile)); |
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} |
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case MP_STATION: |
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if (!IsRoadStopTile(tile)) return ROAD_NONE; |
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if (IsDriveThroughStopTile(tile)) return (GetRoadStopDir(tile) == DIAGDIR_NE) ? ROAD_X : ROAD_Y; |
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return DiagDirToRoadBits(GetRoadStopDir(tile)); |
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case MP_TUNNELBRIDGE: |
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if (IsTunnel(tile)) {
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if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE; |
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return DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile))); |
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} else {
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if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE; |
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return DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile))); |
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} |
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default: return ROAD_NONE; |
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} |
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} |
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TrackBits GetAnyRoadTrackBits(TileIndex tile, RoadType rt) |
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{
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uint32 r; |
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/* Don't allow local authorities to build roads through road depots or road stops. */ |
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if ((IsTileType(tile, MP_ROAD) && IsTileDepotType(tile, TRANSPORT_ROAD)) || (IsTileType(tile, MP_STATION) && !IsDriveThroughStopTile(tile)) || !HasBit(GetRoadTypes(tile), rt)) {
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return TRACK_BIT_NONE; |
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} |
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r = GetTileTrackStatus(tile, TRANSPORT_ROAD, RoadTypeToRoadTypes(rt)); |
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return (TrackBits)(byte)(r | (r >> 8)); |
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} |