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Fix: Train curve detection did not take shortened parts into account. (#12910)

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Only the number of parts between curves was counted, which with shortened parts would be higher than full length parts and fail to limit as expected.
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Peter Nelson 2024-09-12 06:47:54 +01:00 committed by GitHub
parent bed2a060ce
commit 6deee5e5e2
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GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 2 deletions
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5
src/train_cmd.cpp
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@ -320,7 +320,7 @@ uint16_t Train::GetCurveSpeedLimit() const
int sum = 0;
int pos = 0;
int lastpos = -1;
for (const Vehicle *u = this; u->Next() != nullptr; u = u->Next(), pos++) {
for (const Train *u = this; u->Next() != nullptr; u = u->Next(), pos += u->gcache.cached_veh_length) {
Direction this_dir = u->direction;
Direction next_dir = u->Next()->direction;
@ -333,7 +333,7 @@ uint16_t Train::GetCurveSpeedLimit() const
if (lastpos != -1) {
numcurve++;
sum += pos - lastpos;
if (pos - lastpos == 1 && max_speed > 88) {
if (pos - lastpos <= static_cast<int>(VEHICLE_LENGTH) && max_speed > 88) {
max_speed = 88;
}
}
@ -350,6 +350,7 @@ uint16_t Train::GetCurveSpeedLimit() const
if (curvecount[0] == 1 && curvecount[1] == 1) {
max_speed = absolute_max_speed;
} else {
sum = CeilDiv(sum, VEHICLE_LENGTH);
sum /= numcurve;
max_speed = 232 - (13 - Clamp(sum, 1, 12)) * (13 - Clamp(sum, 1, 12));
}