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(svn r1208) -Fix: the owner-check introduced in r1203 now also works correctly for

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bridges (the middle-parts don't have any owner)
This commit is contained in:
truelight 2004-12-21 19:37:10 +00:00
parent 1d6ab6a153
commit 815d4284c3
1 changed files with 20 additions and 6 deletions
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26
pathfind.c
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@ -128,9 +128,14 @@ static void TPFMode2(TrackPathFinder *tpf, uint tile, int direction)
uint bits;
int i;
RememberData rd;
byte owner;
int owner;
owner = _map_owner[tile];
if (tpf->tracktype == TRANSPORT_RAIL) {
owner = _map_owner[tile];
/* Check if we are on the middle of a bridge (has no owner) */
if (IS_TILETYPE(tile, MP_TUNNELBRIDGE) && (_map5[tile] & 0xC0) == 0xC0)
owner = -1;
}
// This addition will sometimes overflow by a single tile.
// The use of TILE_MASK here makes sure that we still point at a valid
@ -138,8 +143,12 @@ static void TPFMode2(TrackPathFinder *tpf, uint tile, int direction)
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->tracktype == TRANSPORT_RAIL) {
/* Check if we are on the middle of a bridge (has no owner) */
if (!IS_TILETYPE(tile, MP_TUNNELBRIDGE) || (_map5[tile] & 0xC0) != 0xC0)
if (owner != -1 && _map_owner[tile] != owner)
return;
}
if (++tpf->rd.cur_length > 50)
return;
@ -277,8 +286,13 @@ static void TPFMode1(TrackPathFinder *tpf, uint tile, int 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;
if (tpf->tracktype == TRANSPORT_RAIL) {
/* Check if we are on a bridge (middle parts don't have an owner */
if (!IS_TILETYPE(tile, MP_TUNNELBRIDGE) || (_map5[tile] & 0xC0) != 0xC0)
if (!IS_TILETYPE(tile_org, MP_TUNNELBRIDGE) || (_map5[tile_org] & 0xC0) != 0xC0)
if (_map_owner[tile_org] != _map_owner[tile])
return;
}
tpf->rd.cur_length++;