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Improve performance of train breakdown detection

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This commit is contained in:
Jonathan G Rennison
2019-01-19 04:39:16 +00:00
parent 841ea7639f
commit d87ac8ec7e
6 changed files with 15 additions and 1 deletions
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2
src/vehicle.cpp
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@@ -183,6 +183,7 @@ void VehicleServiceInDepot(Vehicle *v)
if (!(Train::From(v)->IsEngine()) && !(Train::From(v)->IsRearDualheaded())) return;
ClrBit(Train::From(v)->flags, VRF_NEED_REPAIR);
ClrBit(Train::From(v)->flags, VRF_HAS_HIT_RV);
ClrBit(Train::From(v)->flags, VRF_CONSIST_BREAKDOWN);
Train::From(v)->critical_breakdown_count = 0;
const RailVehicleInfo *rvi = &e->u.rail;
v->vcache.cached_max_speed = rvi->max_speed;
@@ -1715,6 +1716,7 @@ void CheckVehicleBreakdown(Vehicle *v)
if ((uint32) (0xffff - v->reliability) * _settings_game.difficulty.vehicle_breakdowns * chance > GB(r1, 0, 24) * 10) {
uint32 r2 = Random();
v->breakdown_ctr = GB(r1, 24, 6) + 0xF;
if (v->type == VEH_TRAIN) SetBit(Train::From(v)->First()->flags, VRF_CONSIST_BREAKDOWN);
v->breakdown_delay = GB(r2, 0, 7) + 0x80;
v->breakdown_chance = 0;
DetermineBreakdownType(v, r2);