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Location: cpp/openttd-patchpack/source/src/tunnel_map.cpp - annotation
r27835:eabfaa878ced
2.2 KiB
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Add: calendar date for Survey results
This means no heuristics is possible on around which date people
play the game.
This means no heuristics is possible on around which date people
play the game.
r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r6422:5983361e241a r5584:545d748cc681 r8083:8cd2123a0c7c r8083:8cd2123a0c7c r21383:942c32fb8b0e r21383:942c32fb8b0e r5584:545d748cc681 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r5584:545d748cc681 r5584:545d748cc681 r8083:8cd2123a0c7c r5584:545d748cc681 r18260:9616113792ef r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r8083:8cd2123a0c7c r18252:2cba8d2d1409 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r18321:8dc1c147192c r5584:545d748cc681 r5584:545d748cc681 r18321:8dc1c147192c r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r10855:5a3c2f38f98e r18252:2cba8d2d1409 r5584:545d748cc681 r5584:545d748cc681 r16537:b136370bd3c2 r5584:545d748cc681 r5584:545d748cc681 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r6489:47abbb44f4d0 r18321:8dc1c147192c r5584:545d748cc681 r26787:a51c38e4aac5 r26787:a51c38e4aac5 r5584:545d748cc681 | /*
* This file is part of OpenTTD.
* 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.
* 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.
* 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/>.
*/
/** @file tunnel_map.cpp Map accessors for tunnels. */
#include "stdafx.h"
#include "tunnelbridge_map.h"
#include "safeguards.h"
/**
* Gets the other end of the tunnel. Where a vehicle would reappear when it
* enters at the given tile.
* @param tile the tile to search from.
* @return the tile of the other end of the tunnel.
*/
TileIndex GetOtherTunnelEnd(TileIndex tile)
{
DiagDirection dir = GetTunnelBridgeDirection(tile);
TileIndexDiff delta = TileOffsByDiagDir(dir);
int z = GetTileZ(tile);
dir = ReverseDiagDir(dir);
do {
tile += delta;
} while (
!IsTunnelTile(tile) ||
GetTunnelBridgeDirection(tile) != dir ||
GetTileZ(tile) != z
);
return tile;
}
/**
* Is there a tunnel in the way in the given direction?
* @param tile the tile to search from.
* @param z the 'z' to search on.
* @param dir the direction to start searching to.
* @return true if and only if there is a tunnel.
*/
bool IsTunnelInWayDir(TileIndex tile, int z, DiagDirection dir)
{
TileIndexDiff delta = TileOffsByDiagDir(dir);
int height;
do {
tile -= delta;
if (!IsValidTile(tile)) return false;
height = GetTileZ(tile);
} while (z < height);
return z == height && IsTunnelTile(tile) && GetTunnelBridgeDirection(tile) == dir;
}
/**
* Is there a tunnel in the way in any direction?
* @param tile the tile to search from.
* @param z the 'z' to search on.
* @return true if and only if there is a tunnel.
*/
bool IsTunnelInWay(TileIndex tile, int z)
{
return IsTunnelInWayDir(tile, z, (TileX(tile) > (Map::MaxX() / 2)) ? DIAGDIR_NE : DIAGDIR_SW) ||
IsTunnelInWayDir(tile, z, (TileY(tile) > (Map::MaxY() / 2)) ? DIAGDIR_NW : DIAGDIR_SE);
}
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