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(svn r13734) -Fix: NewGRF rail continuation would always mark a tunnel on the same axis as connected, even when the tunnel faces the wrong direction.

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rubidium 2008-07-19 10:10:21 +00:00
parent f2da045731
commit bfa66f70b3
1 changed files with 9 additions and 1 deletions
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10
src/newgrf_station.cpp
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@ -25,6 +25,7 @@
#include "player_func.h"
#include "animated_tile_func.h"
#include "functions.h"
#include "tunnelbridge_map.h"
#include "table/sprites.h"
#include "table/strings.h"
@ -294,11 +295,18 @@ static uint32 GetRailContinuationInfo(TileIndex tile)
uint i;
for (i = 0; i < lengthof(x_dir); i++, dir++, diagdir++) {
TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(tile + TileOffsByDir(*dir), TRANSPORT_RAIL, 0));
TileIndex neighbour_tile = tile + TileOffsByDir(*dir);
TrackBits trackbits = TrackStatusToTrackBits(GetTileTrackStatus(neighbour_tile, TRANSPORT_RAIL, 0));
if (trackbits != TRACK_BIT_NONE) {
/* If there is any track on the tile, set the bit in the second byte */
SetBit(res, i + 8);
/* With tunnels and bridges the tile has tracks, but they are not necessarily connected
* with the next tile because the ramp is not going in the right direction. */
if (IsTileType(neighbour_tile, MP_TUNNELBRIDGE) && GetTunnelBridgeDirection(neighbour_tile) != *diagdir) {
continue;
}
/* If any track reaches our exit direction, set the bit in the lower byte */
if (trackbits & DiagdirReachesTracks(*diagdir)) SetBit(res, i);
}