openttd-ottdgrfs: src/tunnel_map.cpp@9e75e594a068 (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 "tile.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	8	#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	9	#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	10
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	11
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	12	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	13	* 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	14	* enters at the given tile.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	15	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	16	* @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	17	*/
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	18	TileIndex GetOtherTunnelEnd(TileIndex tile)
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	19	{
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	20	DiagDirection dir = GetTunnelBridgeDirection(tile);
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	21	TileIndexDiff delta = TileOffsByDiagDir(dir);
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	22	uint z = GetTileZ(tile);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	23
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	24	dir = ReverseDiagDir(dir);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	25	do {
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	26	tile += delta;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	27	} 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	28	!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	29	GetTunnelBridgeDirection(tile) != dir \|\|
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	30	GetTileZ(tile) != z
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
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	33	return tile;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	34	}
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	35
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	36
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	37	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	38	* 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	39	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	40	* @param z the 'z' to search on.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	41	* @param dir the direction to start searching to.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	42	* @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	43	*/
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	44	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	45	{
4559 c853d2440065 (svn r6406) -Codechange: Rename TileOffsByDir to TileOffsByDiagDir because it accepts Darkvater parents: 4291 diff changeset	46	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	47	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	48
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	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	50	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	51	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	52	} 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	53
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	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	55	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	56	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	57	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	58	}
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	59
6985 6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	60	/**
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	61	* 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	62	* @param tile the tile to search from.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	63	* @param z the 'z' to search on.
6fd300b20503 (svn r9670) -Documentation: add documentation to some the _map files. rubidium parents: 6918 diff changeset	64	* @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	65	*/
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	66	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	67	{
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	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	69	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	70	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	71	}

author	rubidium
	Wed, 19 Dec 2007 19:44:29 +0000
changeset 8602	9e75e594a068
parent 8579	3efbb430092e
child 8604	8afdd9877afd
permissions	-rw-r--r--