openttd-ottdgrfs: src/tunnel_map.cpp@646711c5feaa (annotated)

3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	1	/* $Id$ */
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	2
6307 f40e88cff863 (svn r9639) [cpp_gui] -Sync with trunk (r9476:9633) KUDr parents: 5835 diff changeset	3	/** @file tunnel_map.cpp */
f40e88cff863 (svn r9639) [cpp_gui] -Sync with trunk (r9476:9633) KUDr parents: 5835 diff changeset	4
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	5	#include "stdafx.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	6	#include "openttd.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	7	#include "tile.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	8	#include "tunnel_map.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	9
6308 646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	10	/**
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	11	* Gets the other end of the tunnel. Where a vehicle would reappear when it
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	12	* enters at the given tile.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	13	* @param tile the tile to search from.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	14	* @return the tile of the other end of the tunnel.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	15	*/
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	16	TileIndex GetOtherTunnelEnd(TileIndex tile)
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	17	{
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	18	DiagDirection dir = GetTunnelDirection(tile);
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	19	TileIndexDiff delta = TileOffsByDiagDir(dir);
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	20	uint z = GetTileZ(tile);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	21
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	22	dir = ReverseDiagDir(dir);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	23	do {
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	24	tile += delta;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	25	} while (
3184 7405329343ce (svn r3830) Move IsTunnelTile() from tile.h to tunnel_map.h and add IsTunnel(), which just checks for a tunnel, but not the tile type as IsTunnelTile() does tron parents: 3156 diff changeset	26	!IsTunnelTile(tile) \|\|
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	27	GetTunnelDirection(tile) != dir \|\|
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	28	GetTileZ(tile) != z
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	29	);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	30
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	31	return tile;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	32	}
3156 028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	33
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	34
6308 646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	35	/**
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	36	* Is there a tunnel in the way in the given direction?
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	37	* @param tile the tile to search from.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	38	* @param z the 'z' to search on.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	39	* @param dir the direction to start searching to.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	40	* @return true if and only if there is a tunnel.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	41	*/
3156 028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	42	static bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection dir)
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	43	{
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	44	TileIndexDiff delta = TileOffsByDiagDir(dir);
3156 028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	45	uint height;
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	46
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	47	do {
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	48	tile -= delta;
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	49	height = GetTileZ(tile);
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	50	} while (z < height);
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	51
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	52	return
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	53	z == height &&
3184 7405329343ce (svn r3830) Move IsTunnelTile() from tile.h to tunnel_map.h and add IsTunnel(), which just checks for a tunnel, but not the tile type as IsTunnelTile() does tron parents: 3156 diff changeset	54	IsTunnelTile(tile) &&
3156 028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	55	GetTunnelDirection(tile) == dir;
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	56	}
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	57
6308 646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	58	/**
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	59	* Is there a tunnel in the way in any direction?
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	60	* @param tile the tile to search from.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	61	* @param z the 'z' to search on.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	62	* @return true if and only if there is a tunnel.
646711c5feaa (svn r9708) [cpp_gui] -Sync with trunk (r9633:9707) KUDr parents: 6307 diff changeset	63	*/
3156 028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	64	bool IsTunnelInWay(TileIndex tile, uint z)
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	65	{
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	66	return
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	67	IsTunnelInWayDir(tile, z, DIAGDIR_NE) \|\|
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	68	IsTunnelInWayDir(tile, z, DIAGDIR_SE) \|\|
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	69	IsTunnelInWayDir(tile, z, DIAGDIR_SW) \|\|
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	70	IsTunnelInWayDir(tile, z, DIAGDIR_NW);
028b6756b279 (svn r3779) Move CheckTunnelInWay() to a more appropriate place, invert its result and give it a less ambiguous name (IsTunnelInWay) tron parents: 3154 diff changeset	71	}

author	KUDr
	Sat, 21 Apr 2007 08:23:57 +0000
branch	cpp_gui
changeset 6308	646711c5feaa
parent 6307	f40e88cff863
child 7498	ce6588257e8d
permissions	-rw-r--r--