(svn r1922) - Fix: Disappearing of crashed trains inside tunnels were not checked properly.

This commit is contained in:
Darkvater 2005-03-03 23:26:35 +00:00
parent 0c3927ce4a
commit 232fffffac
1 changed files with 21 additions and 9 deletions

View File

@ -2599,11 +2599,20 @@ reverse_train_direction:
extern uint CheckTunnelBusy(uint tile, int *length);
/**
* Deletes/Clears the last wagon of a crashed train. It takes the engine of the
* train, then goes to the last wagon and deletes that. Each call to this function
* will remove the last wagon of a crashed train. If this wagon was on a crossing,
* or inside a tunnel, recalculate the signals as they might need updating
* @param v the @Vehicle of which last wagon is to be removed
*/
static void DeleteLastWagon(Vehicle *v)
{
Vehicle *u = v;
int t;
/* Go to the last wagon and delete the link pointing there
* *u is then the one-before-last wagon, and *v the last
* one which will physicially be removed */
while (v->next != NULL) {
u = v;
v = v->next;
@ -2619,22 +2628,25 @@ static void DeleteLastWagon(Vehicle *v)
EndVehicleMove(v);
DeleteVehicle(v);
if (!((t=v->u.rail.track) & 0xC0)) {
SetSignalsOnBothDir(v->tile, FIND_FIRST_BIT(t));
}
if (!(v->u.rail.track & 0xC0))
SetSignalsOnBothDir(v->tile, FIND_FIRST_BIT(v->u.rail.track));
/* 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) {
if (v->u.rail.track == 0x40) { // inside a tunnel
int length;
TileIndex endtile = CheckTunnelBusy(v->tile, &length);
if (endtile == (uint)-1) // tunnel is busy (error returned)
return;
if ((v->direction == 1) || (v->direction == 5) )
SetSignalsOnBothDir(v->tile,0);
SetSignalsOnBothDir(endtile,0);
SetSignalsOnBothDir(v->tile, 0);
SetSignalsOnBothDir(endtile, 0);
if ((v->direction == 3) || (v->direction == 7) )
SetSignalsOnBothDir(v->tile,1);
SetSignalsOnBothDir(endtile,1);
SetSignalsOnBothDir(v->tile, 1);
SetSignalsOnBothDir(endtile, 1);
}
}