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(svn r1203) -Fix: the pathfinder no longer sees rail with an other owner as a

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possible route. This also makes sure signals don't show red because 
there is a train on the track of an other owner.
This commit is contained in:
truelight 2004-12-21 17:12:20 +00:00
parent 3e7a5989e2
commit 01839321ea
1 changed files with 12 additions and 0 deletions
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12
pathfind.c
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@ -128,12 +128,19 @@ static void TPFMode2(TrackPathFinder *tpf, uint tile, int direction)
uint bits;
int i;
RememberData rd;
byte owner;
owner = _map_owner[tile];
// This addition will sometimes overflow by a single tile.
// The use of TILE_MASK here makes sure that we still point at a valid
// tile, and then this tile will be in the sentinel row/col, so GetTileTrackStatus will fail.
tile = TILE_MASK(tile + _tileoffs_by_dir[direction]);
/* Check in case of rail if the owner is the same */
if (tpf->tracktype == TRANSPORT_RAIL && _map_owner[tile] != owner)
return;
if (++tpf->rd.cur_length > 50)
return;
@ -268,6 +275,11 @@ static void TPFMode1(TrackPathFinder *tpf, uint tile, int direction)
tile = SkipToEndOfTunnel(tpf, tile, direction);
}
tile += _tileoffs_by_dir[direction];
/* Check in case of rail if the owner is the same */
if (tpf->tracktype == TRANSPORT_RAIL && _map_owner[tile_org] != _map_owner[tile])
return;
tpf->rd.cur_length++;
bits = GetTileTrackStatus(tile, tpf->tracktype);