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@ -45,10 +45,10 @@ TileIndex GetOtherTunnelEnd(TileIndex tile)
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* @param dir the direction to start searching to.
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* @param dir the direction to start searching to.
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* @return true if and only if there is a tunnel.
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* @return true if and only if there is a tunnel.
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*/
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*/
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bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir)
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bool IsTunnelInWayDir(TileIndex tile, int z, DiagDirection dir)
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{
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{
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TileIndexDiff delta = TileOffsByDiagDir(dir);
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TileIndexDiff delta = TileOffsByDiagDir(dir);
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uint height;
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int height;
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do {
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do {
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tile -= delta;
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tile -= delta;
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@ -65,7 +65,7 @@ bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir)
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* @param z the 'z' to search on.
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* @param z the 'z' to search on.
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* @return true if and only if there is a tunnel.
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* @return true if and only if there is a tunnel.
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*/
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*/
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bool IsTunnelInWay(TileIndex tile, uint z)
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bool IsTunnelInWay(TileIndex tile, int z)
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{
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{
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return IsTunnelInWayDir(tile, z, (TileX(tile) > (MapMaxX() / 2)) ? DIAGDIR_NE : DIAGDIR_SW) ||
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return IsTunnelInWayDir(tile, z, (TileX(tile) > (MapMaxX() / 2)) ? DIAGDIR_NE : DIAGDIR_SW) ||
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IsTunnelInWayDir(tile, z, (TileY(tile) > (MapMaxY() / 2)) ? DIAGDIR_NW : DIAGDIR_SE);
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IsTunnelInWayDir(tile, z, (TileY(tile) > (MapMaxY() / 2)) ? DIAGDIR_NW : DIAGDIR_SE);
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