openttd-mini: road_map.c@138e38fa6fda (annotated)

3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	1	/* $Id$ */
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	2
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	3	#include "stdafx.h"
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	4	#include "openttd.h"
3196 5cec26c5ab75 (svn r3857) Add and use GetBridgeRampDirection() tron parents: 3167 diff changeset	5	#include "bridge_map.h"
3150 729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	6	#include "functions.h"
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	7	#include "road_map.h"
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	8	#include "station.h"
3154 6ab0cb6b7ab3 (svn r3777) Add some functions to handle tunnels tron parents: 3150 diff changeset	9	#include "tunnel_map.h"
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	10
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	11
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	12	RoadBits GetAnyRoadBits(TileIndex tile)
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	13	{
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	14	switch (GetTileType(tile)) {
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	15	case MP_STREET:
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	16	switch (GetRoadType(tile)) {
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	17	default:
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	18	case ROAD_NORMAL: return GetRoadBits(tile);
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	19	case ROAD_CROSSING: return GetCrossingRoadBits(tile);
3167 8323c2ccd029 (svn r3795) Add a function to request the orientation of a depot tron parents: 3154 diff changeset	20	case ROAD_DEPOT: return DiagDirToRoadBits(GetRoadDepotDirection(tile));
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	21	}
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	22
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	23	case MP_STATION:
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	24	if (!IsRoadStationTile(tile)) return 0;
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	25	return DiagDirToRoadBits(GetRoadStationDir(tile));
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	26
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	27	case MP_TUNNELBRIDGE:
3234 a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	28	if (IsBridge(tile)) {
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	29	if (IsBridgeMiddle(tile)) {
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	30	if (!IsTransportUnderBridge(tile) \|\|
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	31	GetBridgeTransportType(tile) != TRANSPORT_ROAD) {
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	32	return 0;
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	33	}
a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	34	return GetRoadBitsUnderBridge(tile);
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	35	} else {
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	36	// ending
3234 a2791a480b71 (svn r3907) Replace many bridge related direct map accesses with calls to shiny new functions and mark some strange constructs with XXX tron parents: 3196 diff changeset	37	if (GetBridgeTransportType(tile) != TRANSPORT_ROAD) return 0;
3196 5cec26c5ab75 (svn r3857) Add and use GetBridgeRampDirection() tron parents: 3167 diff changeset	38	return DiagDirToRoadBits(ReverseDiagDir(GetBridgeRampDirection(tile)));
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	39	}
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	40	} else {
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	41	// tunnel
3154 6ab0cb6b7ab3 (svn r3777) Add some functions to handle tunnels tron parents: 3150 diff changeset	42	if (GetTunnelTransportType(tile) != TRANSPORT_ROAD) return 0;
6ab0cb6b7ab3 (svn r3777) Add some functions to handle tunnels tron parents: 3150 diff changeset	43	return DiagDirToRoadBits(ReverseDiagDir(GetTunnelDirection(tile)));
3146 8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	44	}
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	45
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	46	default: return 0;
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	47	}
8d95593c5ff0 (svn r3766) Add a function to get the RoadBits from an arbitrary tile tron parents: diff changeset	48	}
3150 729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	49
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	50
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	51	TrackBits GetAnyRoadTrackBits(TileIndex tile)
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	52	{
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	53	uint32 r = GetTileTrackStatus(tile, TRANSPORT_ROAD);
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	54	return (byte)(r \| (r >> 8));
729951cb5448 (svn r3773) Shove some semantics down ottd's throat by replacing ints and magic numbers by enums and some related changes tron parents: 3146 diff changeset	55	}

author	bjarni
	Thu, 23 Mar 2006 23:54:43 +0000
changeset 3311	138e38fa6fda
parent 3234	a2791a480b71
child 3404	eb8ebfe5df67
permissions	-rw-r--r--