(svn r2753) -Codechange: Introduced a new struct "RailtypeInfo" to store rail type specific information. Begun populating it with a bunch of sprites, more to come later. This should result in cleaner, more compact code which allows easy introduction of new railtypes.

railtypes.c

@@ -0,0 +1,61 @@
+/* $Id: */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "rail.h"
+#include "table/sprites.h"
+
+/** @file railtypes.c
+ * All the railtype-specific information is stored here.
+ */
+
+/** Global Railtype definition
+ */
+RailtypeInfo railtypes[RAILTYPE_END] = {
+	{
+		{
+			SPR_RAIL_TRACK_Y,
+			SPR_RAIL_TRACK_N_S,
+			SPR_RAIL_TRACK_BASE,
+			SPR_RAIL_SINGLE_Y,
+			SPR_RAIL_SINGLE_X,
+			SPR_RAIL_SINGLE_NORTH,
+			SPR_RAIL_SINGLE_SOUTH,
+			SPR_RAIL_SINGLE_EAST,
+			SPR_RAIL_SINGLE_WEST
+		},
+		SPR_RAIL_SNOW_OFFSET,
+		(1 << RAILTYPE_RAIL),
+	},
+	{
+		{
+			SPR_MONO_TRACK_Y,
+			SPR_MONO_TRACK_N_S,
+			SPR_MONO_TRACK_BASE,
+			SPR_MONO_SINGLE_Y,
+			SPR_MONO_SINGLE_X,
+			SPR_MONO_SINGLE_NORTH,
+			SPR_MONO_SINGLE_SOUTH,
+			SPR_MONO_SINGLE_EAST,
+			SPR_MONO_SINGLE_WEST
+		},
+		SPR_MONO_SNOW_OFFSET,
+		(1 << RAILTYPE_MONO),
+	},
+	{
+		{
+			SPR_MGLV_TRACK_Y,
+			SPR_MGLV_TRACK_N_S,
+			SPR_MGLV_TRACK_BASE,
+			SPR_MGLV_SINGLE_Y,
+			SPR_MGLV_SINGLE_X,
+			SPR_MGLV_SINGLE_NORTH,
+			SPR_MGLV_SINGLE_SOUTH,
+			SPR_MGLV_SINGLE_EAST,
+			SPR_MGLV_SINGLE_WEST
+		},
+		SPR_MGLV_SNOW_OFFSET,
+		(1 << RAILTYPE_MAGLEV),
+	},
+};
+