openttd-ottdgrfs: src/tunnel_map.cpp@dfd70e42c4ae (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
6918 5589c415e28f (svn r9558) -Documentation: doxygen and comment changes: 'T' now. Almost done belugas parents: 5835 diff changeset	3	/** @file tunnel_map.cpp */
5589c415e28f (svn r9558) -Documentation: doxygen and comment changes: 'T' now. Almost done belugas 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 "tunnel_map.h"
8579 3efbb430092e (svn r11644) -Codechange: merge some functions from tunnel_map.h and bridge_map.h into tunnelbridge_map.h smatz parents: 7819 diff changeset	8	#include "tunnelbridge_map.h"
3efbb430092e (svn r11644) -Codechange: merge some functions from tunnel_map.h and bridge_map.h into tunnelbridge_map.h smatz parents: 7819 diff changeset	9
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	10
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	11	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	12	* Gets the other end of the tunnel. Where a vehicle would reappear when it
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	13	* enters at the given tile.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	14	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	15	* @return the tile of the other end of the tunnel.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	16	*/
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	17	TileIndex GetOtherTunnelEnd(TileIndex tile)
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	18	{
8579 3efbb430092e (svn r11644) -Codechange: merge some functions from tunnel_map.h and bridge_map.h into tunnelbridge_map.h smatz parents: 7819 diff changeset	19	DiagDirection dir = GetTunnelBridgeDirection(tile);
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	20	TileIndexDiff delta = TileOffsByDiagDir(dir);
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	21	uint z = GetTileZ(tile);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	22
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	23	dir = ReverseDiagDir(dir);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	24	do {
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	25	tile += delta;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	26	} 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	27	!IsTunnelTile(tile) \|\|
8579 3efbb430092e (svn r11644) -Codechange: merge some functions from tunnel_map.h and bridge_map.h into tunnelbridge_map.h smatz parents: 7819 diff changeset	28	GetTunnelBridgeDirection(tile) != dir \|\|
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	29	GetTileZ(tile) != z
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
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	32	return tile;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	33	}
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	34
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	35
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	36	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	37	* Is there a tunnel in the way in the given direction?
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	38	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	39	* @param z the 'z' to search on.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	40	* @param dir the direction to start searching to.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	41	* @return true if and only if there is a tunnel.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	42	*/
7498 ce6588257e8d (svn r10258) -Codechange: as we are now using int64 all over the place, it's better to use int64 variables in the string generating too instead of packing them into two int32s. rubidium parents: 6985 diff changeset	43	bool IsTunnelInWayDir(TileIndex tile, uint z, DiagDirection 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	44	{
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	45	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	46	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	47
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	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	49	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	50	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	51	} 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	52
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	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	54	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	55	IsTunnelTile(tile) &&
8579 3efbb430092e (svn r11644) -Codechange: merge some functions from tunnel_map.h and bridge_map.h into tunnelbridge_map.h smatz parents: 7819 diff changeset	56	GetTunnelBridgeDirection(tile) == 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	57	}
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	58
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	59	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	60	* Is there a tunnel in the way in any direction?
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	61	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	62	* @param z the 'z' to search on.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	63	* @return true if and only if there is a tunnel.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	64	*/
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	65	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	66	{
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	return
7819 694a7dacd30a (svn r10686) -Fix [FS#1058]: determining whether there is a tunnel going under the lowered area is only needed in two directions instead of all four, so take the directions (one for each axis) to the nearest border (along the given axis). Furthermore GetTileZ did much more than absolutely necessary. rubidium parents: 7498 diff changeset	68	IsTunnelInWayDir(tile, z, (TileX(tile) > (MapMaxX() / 2)) ? DIAGDIR_NE : DIAGDIR_SW) \|\|
694a7dacd30a (svn r10686) -Fix [FS#1058]: determining whether there is a tunnel going under the lowered area is only needed in two directions instead of all four, so take the directions (one for each axis) to the nearest border (along the given axis). Furthermore GetTileZ did much more than absolutely necessary. rubidium parents: 7498 diff changeset	69	IsTunnelInWayDir(tile, z, (TileY(tile) > (MapMaxY() / 2)) ? DIAGDIR_NW : DIAGDIR_SE);
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	70	}

author	convert-repo
	Mon, 07 Apr 2008 16:21:55 +0000
changeset 10076	dfd70e42c4ae
parent 8604	8afdd9877afd
child 10429	1b99254f9607
permissions	-rw-r--r--