(svn r18939) -Codechange [FS#3545]: Move train slope steepness to its own function.

src/train.h

@@ -494,6 +494,15 @@ protected: /* These functions should not be called outside acceleration code. */
 	{
 		return GetRailTypeInfo(this->railtype)->acceleration_type;
 	}
+
+	/**
+	 * Returns the slope steepness used by this vehicle.
+	 * @return Slope steepness used by the vehicle.
+	 */
+	FORCEINLINE uint32 GetSlopeSteepness() const
+	{
+		return 20 * _settings_game.vehicle.train_slope_steepness; // 1% slope * slope steepness
+	}
 };
 
 #define FOR_ALL_TRAINS(var) FOR_ALL_VEHICLES_OF_TYPE(Train, var)

src/train_cmd.cpp

@@ -139,7 +139,7 @@ void Train::CargoChanged()
 	for (Train *u = this; u != NULL; u = u->Next()) {
 		uint32 current_weight = u->GetWeight();
 		weight += current_weight;
-		u->tcache.cached_slope_resistance = current_weight * 20 * _settings_game.vehicle.train_slope_steepness; //1% slope * slope steepness
+		u->tcache.cached_slope_resistance = current_weight * u->GetSlopeSteepness();
 	}
 
 	/* store consist weight in cache */