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(svn r19755) -Fix: Blocked roadvehicles should first check whether they are still blocked before accelerating again, instead of continuous starting/stopping.

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This commit is contained in:
frosch 2010-05-03 19:55:03 +00:00
parent 809dd8a54c
commit fc646a16a4
1 changed files with 10 additions and 2 deletions
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12
src/roadveh_cmd.cpp
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@ -1598,13 +1598,18 @@ static bool RoadVehController(RoadVehicle *v)
int j = RoadVehAccelerate(v);
int adv_spd = (v->direction & 1) ? 192 : 256;
bool blocked = false;
while (j >= adv_spd) {
j -= adv_spd;
RoadVehicle *u = v;
for (RoadVehicle *prev = NULL; u != NULL; prev = u, u = u->Next()) {
if (!IndividualRoadVehicleController(u, prev)) break;
if (!IndividualRoadVehicleController(u, prev)) {
blocked = true;
break;
}
}
if (blocked) break;
/* 192 spd used for going straight, 256 for going diagonally. */
adv_spd = (v->direction & 1) ? 192 : 256;
@ -1619,7 +1624,10 @@ static bool RoadVehController(RoadVehicle *v)
u->UpdateViewport(false, false);
}
if (v->progress == 0) v->progress = j;
/* If movement is blocked, set 'progress' to its maximum, so the roadvehicle does
* not accelerate again before it can actually move. I.e. make sure it tries to advance again
* on next tick to discover whether it is still blocked. */
if (v->progress == 0) v->progress = blocked ? adv_spd - 1 : j;
return true;
}