(svn r21841) -Feature: [NewGRF] Allow to define other railtypes that should be introduced if a particular rail type is introduced, e.g. to make sure slow rail is introduced when fast rail gets introduced

src/table/railtypes.h

@@ -95,6 +95,9 @@ static const RailtypeInfo _original_railtypes[] = {
 		/* map colour */
 		0x0A,
 
+		/* introduction rail types */
+		RAILTYPES_RAIL,
+
 		{ NULL },
 	},
 
@@ -178,6 +181,9 @@ static const RailtypeInfo _original_railtypes[] = {
 		/* map colour */
 		0x0A,
 
+		/* introduction rail types */
+		RAILTYPES_ELECTRIC,
+
 		{ NULL },
 	},
 
@@ -257,6 +263,9 @@ static const RailtypeInfo _original_railtypes[] = {
 		/* map colour */
 		0x0A,
 
+		/* introduction rail types */
+		RAILTYPES_MONO,
+
 		{ NULL },
 	},
 
@@ -336,6 +345,9 @@ static const RailtypeInfo _original_railtypes[] = {
 		/* map colour */
 		0x0A,
 
+		/* introduction rail types */
+		RAILTYPES_MAGLEV,
+
 		{ NULL },
 	},
 };