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Slightly overestimate descents when deciding if reservation long enough

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Jonathan G Rennison 2021-03-18 14:04:50 +00:00
parent 8cf2b827a1
commit 4386da53ee
1 changed files with 3 additions and 1 deletions
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4
src/train_cmd.cpp
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@ -3785,7 +3785,9 @@ static bool IsReservationLookAheadLongEnough(const Train *v, const ChooseTrainTr
}
if (found_signal) {
int64 distance = GetRealisticBrakingDistanceForSpeed(stats, signal_speed, 0, v->lookahead->reservation_end_z - signal_z);
int delta_z = v->lookahead->reservation_end_z - signal_z;
delta_z += (delta_z >> 2); // Slightly overestimate slope changes to compensate for non-uniform descents
int64 distance = GetRealisticBrakingDistanceForSpeed(stats, signal_speed, 0, delta_z);
if (signal_position + distance <= v->lookahead->reservation_end_position) return true;
}