openttd-ottdgrfs: tunnel_map.c@2d6895dc84eb (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
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	3	#include "stdafx.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	4	#include "openttd.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	5	#include "tile.h"
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	6	#include "tunnel_map.h"
4290 2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	7	#include "vehicle.h"
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	8
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	9	TileIndex GetOtherTunnelEnd(TileIndex tile)
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	10	{
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	11	DiagDirection dir = GetTunnelDirection(tile);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	12	TileIndexDiff delta = TileOffsByDir(dir);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	13	uint z = GetTileZ(tile);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	14
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	15	dir = ReverseDiagDir(dir);
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	16	do {
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	17	tile += delta;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	18	} 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	19	!IsTunnelTile(tile) \|\|
3154 a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	20	GetTunnelDirection(tile) != dir \|\|
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	21	GetTileZ(tile) != z
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
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	24	return tile;
a8fffb204d0e (svn r3777) Add some functions to handle tunnels tron parents: diff changeset	25	}
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	26
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	27
4290 2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	28	/** Retrieve the exit-tile of the vehicle from inside a tunnel
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	29	* Very similar to GetOtherTunnelEnd(), but we use the vehicle's
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	30	* direction for determining which end of the tunnel to find
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	31	* @param v the vehicle which is inside the tunnel and needs an exit
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	32	* @return the exit-tile of the tunnel based on the vehicle's direction */
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	33	TileIndex GetVehicleOutOfTunnelTile(const Vehicle *v)
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	34	{
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	35	TileIndex tile = TileVirtXY(v->x_pos, v->y_pos);
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	36	DiagDirection dir = DirToDiagDir(v->direction);
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	37	TileIndexDiff delta = TileOffsByDir(dir);
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	38	uint z = v->z_pos;
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	39
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	40	dir = ReverseDiagDir(dir);
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	41	while (
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	42	!IsTunnelTile(tile) \|\|
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	43	GetTunnelDirection(tile) != dir \|\|
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	44	GetTileZ(tile) != z
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	45	) {
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	46	tile += delta;
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	47	}
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	48
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	49	return tile;
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	50	}
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	51
2d6895dc84eb (svn r5923) Fix 'make depend' which was broken in r3574 (it just did nothing) tron parents: 3184 diff changeset	52
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	53	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	54	{
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	TileIndexDiff delta = TileOffsByDir(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	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	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	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	59	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	60	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	61	} 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	62
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	63	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	64	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	65	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	66	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	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
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	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	70	{
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	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	72	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	73	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	74	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	75	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	76	}

author	tron
	Wed, 16 Aug 2006 06:05:44 +0000
changeset 4290	2d6895dc84eb
parent 3184	7405329343ce
child 4291	c0e769957f8b
permissions	-rw-r--r--