(svn r14160) -Codechange: Move _railtype_cost_multipliers into the rail type information struct.

src/newgrf.cpp

@@ -3643,15 +3643,15 @@ bool GetGlobalVariable(byte param, uint32 *value)
 
 		case 0x0F: // Rail track type cost factors
 			*value = 0;
-			SB(*value, 0, 8, _railtype_cost_multiplier[0]); // normal rail
+			SB(*value, 0, 8, GetRailTypeInfo(RAILTYPE_RAIL)->cost_multiplier); // normal rail
 			if (_settings_game.vehicle.disable_elrails) {
 				/* skip elrail multiplier - disabled */
-				SB(*value, 8, 8, _railtype_cost_multiplier[2]); // monorail
+				SB(*value, 8, 8, GetRailTypeInfo(RAILTYPE_MONO)->cost_multiplier); // monorail
 			} else {
-				SB(*value, 8, 8, _railtype_cost_multiplier[1]); // electified railway
+				SB(*value, 8, 8, GetRailTypeInfo(RAILTYPE_ELECTRIC)->cost_multiplier); // electified railway
 				/* Skip monorail multiplier - no space in result */
 			}
-			SB(*value, 16, 8, _railtype_cost_multiplier[3]); // maglev
+			SB(*value, 16, 8, GetRailTypeInfo(RAILTYPE_MAGLEV)->cost_multiplier); // maglev
 			return true;
 
 		case 0x11: // current rail tool type
@@ -4651,17 +4651,19 @@ static void ParamSet(byte *buf, size_t len)
 			_traininfo_vehicle_pitch = res;
 			break;
 
-		case 0x8F: // Rail track type cost factors
+		case 0x8F: { // Rail track type cost factors
-			_railtype_cost_multiplier[0] = GB(res, 0, 8);
+			extern RailtypeInfo _railtypes[RAILTYPE_END];
+			_railtypes[RAILTYPE_RAIL].cost_multiplier = GB(res, 0, 8);
 			if (_settings_game.vehicle.disable_elrails) {
-				_railtype_cost_multiplier[1] = GB(res, 0, 8);
+				_railtypes[RAILTYPE_ELECTRIC].cost_multiplier = GB(res, 0, 8);
-				_railtype_cost_multiplier[2] = GB(res, 8, 8);
+				_railtypes[RAILTYPE_MONO].cost_multiplier = GB(res, 8, 8);
 			} else {
-				_railtype_cost_multiplier[1] = GB(res, 8, 8);
+				_railtypes[RAILTYPE_ELECTRIC].cost_multiplier = GB(res, 8, 8);
-				_railtype_cost_multiplier[2] = GB(res, 16, 8);
+				_railtypes[RAILTYPE_MONO].cost_multiplier = GB(res, 16, 8);
 			}
-			_railtype_cost_multiplier[3] = GB(res, 16, 8);
+			_railtypes[RAILTYPE_MAGLEV].cost_multiplier = GB(res, 16, 8);
 			break;
+		}
 
 		/* @todo implement */
 		case 0x93: // Tile refresh offset to left
@@ -5473,9 +5475,6 @@ static void ResetNewGRFData()
 	_traininfo_vehicle_pitch = 0;
 	_traininfo_vehicle_width = 29;
 
-	/* Reset track cost multipliers. */
-	memcpy(&_railtype_cost_multiplier, &_default_railtype_cost_multiplier, sizeof(_default_railtype_cost_multiplier));
-
 	_loaded_newgrf_features.has_2CC           = false;
 	_loaded_newgrf_features.has_newhouses     = false;
 	_loaded_newgrf_features.has_newindustries = false;

src/rail.cpp

@@ -149,13 +149,6 @@ extern const TrackdirBits _uphill_trackdirs[] = {
 	TRACKDIR_BIT_X_NE | TRACKDIR_BIT_Y_SE, ///< 30 SLOPE_STEEP_E -> inclined for diagonal track
 };
 
-/* The default multiplier for the cost of building different types of railway
- * track, which will be divided by 8. Can be changed by newgrf files. */
-const int _default_railtype_cost_multiplier[RAILTYPE_END] = {
-	8, 12, 16, 24,
-};
-int _railtype_cost_multiplier[RAILTYPE_END];
-
 RailType GetTileRailType(TileIndex tile)
 {
 	switch (GetTileType(tile)) {

src/rail.h

@@ -113,6 +113,11 @@ struct RailtypeInfo {
 	 * Bit mask of rail type flags
 	 */
 	RailTypeFlags flags;
+
+	/**
+	 * Cost multiplier for building this rail type
+	 */
+	uint8 cost_multiplier;
 };
 
 
@@ -154,10 +159,6 @@ static inline bool HasPowerOnRail(RailType enginetype, RailType tiletype)
 	return HasBit(GetRailTypeInfo(enginetype)->powered_railtypes, tiletype);
 }
 
-
-extern int _railtype_cost_multiplier[RAILTYPE_END];
-extern const int _default_railtype_cost_multiplier[RAILTYPE_END];
-
 /**
  * Returns the cost of building the specified railtype.
  * @param railtype The railtype being built.
@@ -166,7 +167,7 @@ extern const int _default_railtype_cost_multiplier[RAILTYPE_END];
 static inline Money RailBuildCost(RailType railtype)
 {
 	assert(railtype < RAILTYPE_END);
-	return (_price.build_rail * _railtype_cost_multiplier[railtype]) >> 3;
+	return (_price.build_rail * GetRailTypeInfo(railtype)->cost_multiplier) >> 3;
 }
 
 /**

src/table/railtypes.h

@@ -70,6 +70,9 @@ static const RailtypeInfo _original_railtypes[] = {
 
 		/* flags */
 		RTFB_NONE,
+
+		/* cost multiplier */
+		8,
 	},
 
 	/** Electrified railway */
@@ -136,6 +139,9 @@ static const RailtypeInfo _original_railtypes[] = {
 
 		/* flags */
 		RTFB_CATENARY,
+
+		/* cost multiplier */
+		12,
 	},
 
 	/** Monorail */
@@ -198,6 +204,9 @@ static const RailtypeInfo _original_railtypes[] = {
 
 		/* flags */
 		RTFB_NONE,
+
+		/* cost multiplier */
+		16,
 	},
 
 	/** Maglev */
@@ -260,6 +269,9 @@ static const RailtypeInfo _original_railtypes[] = {
 
 		/* flags */
 		RTFB_NONE,
+
+		/* cost multiplier */
+		24,
 	},
 };