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(svn r12390) -Fix [FS#1851]: trams failing to turn on bridge heads/tunnel entrances.

This commit is contained in:
rubidium 2008-03-22 10:56:08 +00:00
parent 5d747802f2
commit f0538b4b62
4 changed files with 26 additions and 5 deletions
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14
src/road_func.h
View File

@ -114,6 +114,20 @@ static inline RoadBits DiagDirToRoadBits(DiagDirection d)
return (RoadBits)(ROAD_NW << (3 ^ d));
}
/**
* Create the road-part which belongs to the given Axis
*
* This function returns a RoadBits value which belongs to
* the given Axis.
*
* @param a The Axis
* @return The result RoadBits which the selected road-part set
*/
static inline RoadBits AxisToRoadBits(Axis a)
{
return a == AXIS_X ? ROAD_X : ROAD_Y;
}
/**
* Finds out, whether given player has all given RoadTypes available
* @param PlayerID ID of player

6
src/road_map.cpp
View File

@ -14,7 +14,7 @@
#include "tunnelbridge_map.h"
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt)
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance)
{
if (!HasTileRoadType(tile, rt)) return ROAD_NONE;
@ -34,7 +34,9 @@ RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt)
case MP_TUNNELBRIDGE:
if (GetTunnelBridgeTransportType(tile) != TRANSPORT_ROAD) return ROAD_NONE;
return DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile)));
return straight_tunnel_bridge_entrance ?
AxisToRoadBits(DiagDirToAxis(GetTunnelBridgeDirection(tile))) :
DiagDirToRoadBits(ReverseDiagDir(GetTunnelBridgeDirection(tile)));
default: return ROAD_NONE;
}

7
src/road_map.h
View File

@ -328,11 +328,16 @@ static inline DiagDirection GetRoadDepotDirection(TileIndex t)
* - road tunnels: entrance is treated as road piece
* - bridge ramps: start of the ramp is treated as road piece
* - bridge middle parts: bridge itself is ignored
*
* If straight_tunnel_bridge_entrance is set a ROAD_X or ROAD_Y
* for bridge ramps and tunnel entrances is returned depending
* on the orientation of the tunnel or bridge.
* @param tile the tile to get the road bits for
* @param rt the road type to get the road bits form
* @param stbe whether to return straight road bits for tunnels/bridges.
* @return the road bits of the given tile
*/
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt);
RoadBits GetAnyRoadBits(TileIndex tile, RoadType rt, bool straight_tunnel_bridge_entrance = false);
/**
* Get the accessible track bits for the given tile.

4
src/roadveh_cmd.cpp
View File

@ -1461,7 +1461,7 @@ static Trackdir FollowPreviousRoadVehicle(const Vehicle *v, const Vehicle *prev,
};
RoadBits required = required_roadbits[dir & 0x07];
if ((required & GetAnyRoadBits(tile, v->u.road.roadtype)) == ROAD_NONE) {
if ((required & GetAnyRoadBits(tile, v->u.road.roadtype, true)) == ROAD_NONE) {
dir = INVALID_TRACKDIR;
}
@ -1698,7 +1698,7 @@ again:
uint turn_around_start_frame = RVC_TURN_AROUND_START_FRAME;
RoadBits tram;
if (v->u.road.roadtype == ROADTYPE_TRAM && CountBits(tram = GetAnyRoadBits(v->tile, ROADTYPE_TRAM)) == 1) {
if (v->u.road.roadtype == ROADTYPE_TRAM && CountBits(tram = GetAnyRoadBits(v->tile, ROADTYPE_TRAM, true)) == 1) {
/*
* The tram is turning around with one tram 'roadbit'. This means that
* it is using the 'big' corner 'drive data'. However, to support the