diff options
Diffstat (limited to 'src/newgrf_engine.cpp')
| -rw-r--r-- | src/newgrf_engine.cpp | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp index 8dd8d545a..94c8df1d1 100644 --- a/src/newgrf_engine.cpp +++ b/src/newgrf_engine.cpp @@ -347,21 +347,6 @@ static byte MapAircraftMovementAction(const Aircraft *v) return this->v == NULL ? 0 : this->v->waiting_triggers; } -/* virtual */ void VehicleScopeResolver::SetTriggers(int triggers) const -{ - /* Evil cast to get around const-ness. This used to be achieved by an - * innocent looking function pointer cast... Currently I cannot see a - * way of avoiding this without removing consts deep within gui code. - */ - Vehicle *v = const_cast<Vehicle *>(this->v); - - /* This function must only be called when processing triggers -- any - * other time is an error. */ - assert(this->ro.trigger != 0); - - if (v != NULL) v->waiting_triggers = triggers; -} - /* virtual */ ScopeResolver *VehicleResolverObject::GetScope(VarSpriteGroupScope scope, byte relative) { @@ -1140,13 +1125,18 @@ static void DoTriggerVehicle(Vehicle *v, VehicleTrigger trigger, byte base_rando assert(v != NULL); VehicleResolverObject object(v->engine_type, v, VehicleResolverObject::WO_CACHED, false, CBID_RANDOM_TRIGGER); - object.trigger = trigger; + object.waiting_triggers = v->waiting_triggers | trigger; + v->waiting_triggers = object.waiting_triggers; // store now for var 5F const SpriteGroup *group = object.Resolve(); if (group == NULL) return; + /* Store remaining triggers. */ + v->waiting_triggers = object.GetRemainingTriggers(); + + /* Rerandomise bits. Scopes other than SELF are invalid for rerandomisation. For bug-to-bug-compatibility with TTDP we ignore the scope. */ byte new_random_bits = Random(); - uint32 reseed = object.GetReseedSum(); // The scope only affects triggers, not the reseeding + uint32 reseed = object.GetReseedSum(); v->random_bits &= ~reseed; v->random_bits |= (first ? new_random_bits : base_random_bits) & reseed; |