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(svn r1604) Fix: [ 1105112 ] Destroyed train locks crossings

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This commit is contained in:
dominik
2005-01-23 10:40:54 +00:00
parent c92bd3abdd
commit 9b9cdb1bad
1 changed files with 22 additions and 12 deletions
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32
train_cmd.c
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@@ -968,6 +968,21 @@ static void *TestTrainOnCrossing(Vehicle *v, void *data)
return v;
}
static void DisableTrainCrossing(TileIndex tile)
{
/* Test if we have a rail/road-crossing */
if (IsTileType(tile, MP_STREET) && (_map5[tile] & 0xF0) == 0x10) {
/* 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);
}
}
}
}
static void ReverseTrainDirection(Vehicle *v)
{
int l = 0, r = -1;
@@ -987,17 +1002,9 @@ static void ReverseTrainDirection(Vehicle *v)
}
/* Calculate next tile */
tile += TileOffsByDir(t);
/* Test if we have a rail/road-crossing */
if (IsTileType(tile, MP_STREET) && (_map5[tile] & 0xF0) == 0x10) {
/* 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);
}
}
}
/* Check if the train left a rail/road-crossing */
DisableTrainCrossing(tile);
}
// count number of vehicles
@@ -2328,6 +2335,9 @@ static void DeleteLastWagon(Vehicle *v)
SetSignalsOnBothDir(v->tile, FIND_FIRST_BIT(t));
}
/* Check if the wagon was on a road/rail-crossing and disable it if no others are on it */
DisableTrainCrossing(v->tile);
if (v->u.rail.track == 0x40) {
int length;
TileIndex endtile = CheckTunnelBusy(v->tile, &length);