(svn r24124) -Add [FS#4658]: [NewGRF] Misc engine flag to disable breakdown smoke. (Hirundo)

src/engine_type.h

@@ -157,6 +157,7 @@ enum EngineMiscFlags {
 	EF_RAIL_FLIPS = 3, ///< Rail vehicle can be flipped in the depot
 	EF_AUTO_REFIT = 4, ///< Automatic refitting is allowed
 	EF_NO_DEFAULT_CARGO_MULTIPLIER = 5, ///< Use the new capacity algorithm. The default cargotype of the vehicle does not affect capacity multipliers. CB 15 is also called in purchase list.
+	EF_NO_BREAKDOWN_SMOKE          = 6, ///< Do not show black smoke during a breakdown.
 };
 
 /**

src/vehicle.cpp

@@ -1146,7 +1146,7 @@ bool Vehicle::HandleBreakdown()
 						(this->type == VEH_TRAIN ? SND_3A_COMEDY_BREAKDOWN_2 : SND_35_COMEDY_BREAKDOWN), this);
 				}
 
-				if (!(this->vehstatus & VS_HIDDEN)) {
+				if (!(this->vehstatus & VS_HIDDEN) && !HasBit(EngInfo(this->engine_type)->misc_flags, EF_NO_BREAKDOWN_SMOKE)) {
 					EffectVehicle *u = CreateEffectVehicleRel(this, 4, 4, 5, EV_BREAKDOWN_SMOKE);
 					if (u != NULL) u->animation_state = this->breakdown_delay * 2;
 				}