55d78a23be
# Conflicts: # src/3rdparty/squirrel/include/squirrel.h # src/blitter/32bpp_sse_func.hpp # src/bridge_map.h # src/clear_map.h # src/company_manager_face.h # src/console_func.h # src/core/bitmath_func.hpp # src/core/endian_func.hpp # src/core/random_func.hpp # src/depot_map.h # src/elrail_func.h # src/fontcache.h # src/industry_map.h # src/map_func.h # src/newgrf_spritegroup.h # src/object_map.h # src/rail.h # src/rail_map.h # src/road_func.h # src/road_map.h # src/saveload/saveload.h # src/saveload/saveload_error.hpp # src/settings_gui.cpp # src/sl/oldloader.h # src/sprite.h # src/spritecache.h # src/station_func.h # src/station_map.h # src/story_base.h # src/strings_func.h # src/tile_cmd.h # src/tile_map.h # src/tile_type.h # src/town.h # src/town_map.h # src/tree_map.h # src/tunnel_map.h # src/tunnelbridge_map.h # src/vehicle_func.h # src/viewport_func.h # src/void_map.h # src/water.h # src/water_map.h # src/widget_type.h
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file tunnelbridge.h Header file for things common for tunnels and bridges */
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#ifndef TUNNELBRIDGE_H
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#define TUNNELBRIDGE_H
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#include "map_func.h"
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#include "tile_map.h"
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uint GetBestTunnelBridgeSignalSimulationSpacing(TileIndex begin, TileIndex end, int target);
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uint GetTunnelBridgeSignalSimulationSignalCount(TileIndex begin, TileIndex end);
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void MarkTunnelBridgeSignalDirty(TileIndex tile, bool exit);
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int GetTunnelBridgeSignalZ(TileIndex tile, bool exit);
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/**
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* Calculates the length of a tunnel or a bridge (without end tiles)
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* @param begin The begin of the tunnel or bridge.
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* @param end The end of the tunnel or bridge.
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* @return length of bridge/tunnel middle
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*/
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inline uint GetTunnelBridgeLength(TileIndex begin, TileIndex end)
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{
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int x1 = TileX(begin);
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int y1 = TileY(begin);
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int x2 = TileX(end);
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int y2 = TileY(end);
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return abs(x2 + y2 - x1 - y1) - 1;
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}
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/**
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* Sets the ownership of the bridge/tunnel ramps
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* @param begin The begin of the tunnel or bridge.
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* @param end The end of the tunnel or bridge.
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* @param owner The new owner to set
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*/
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inline void SetTunnelBridgeOwner(TileIndex begin, TileIndex end, Owner owner)
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{
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SetTileOwner(begin, owner);
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SetTileOwner(end, owner);
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}
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extern TileIndex _build_tunnel_endtile;
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#endif /* TUNNELBRIDGE_H */
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