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Code Issues

(svn r1200) -Fix: Fixed bug pointed out by Tron: when a train is on the 

road/rail-crossing, and you let an other train drive towards it, reverse 
it, the lights no longer go off.
release/0.4.5
truelight 2004-12-21 16:17:27 +00:00
parent 8ee37e7b47
commit d8709b18c6
1 changed files with 17 additions and 3 deletions
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20
train_cmd.c
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@ -955,6 +955,15 @@ static void ReverseTrainSwapVeh(Vehicle *v, int l, int r)
}
}
/* Check if the vehicle is a train and is on the tile we are testing */
static void *TestTrainOnCrossing(Vehicle *v, void *data)
{
if (v->tile != *(const TileIndex*)data || v->type != VEH_Train)
return NULL;
return v;
}
static void ReverseTrainDirection(Vehicle *v)
{
int l = 0, r = -1;
@ -974,10 +983,15 @@ static void ReverseTrainDirection(Vehicle *v)
}
/* Calculate next tile */
tile += _tileoffs_by_dir[t];
/* Test if we have a rail/road-crossing */
if (IS_TILETYPE(tile, MP_STREET) && (_map5[tile] & 0xF0)==0x10) {
if (_map5[tile] & 4) {
_map5[tile] &= ~4;
MarkTileDirtyByTile(tile);
/* Check if there is a train on the tile itself */
if (VehicleFromPos(tile, &tile, TestTrainOnCrossing) == NULL) {
/* If light is on, switch light off */
if (_map5[tile] & 4) {
_map5[tile] &= ~4;
MarkTileDirtyByTile(tile);
}
}
}
}