(svn r11662) -Codechange: move some rail types/related functions around.

src/rail_type.h

@@ -0,0 +1,31 @@
+/* $Id$ */
+
+/** @file rail_type.h The different types of rail */
+
+#ifndef RAIL_TYPE_H
+#define RAIL_TYPE_H
+
+/**
+ * Enumeration for all possible railtypes.
+ *
+ * This enumeration defines all 4 possible railtypes.
+ */
+enum RailType {
+	RAILTYPE_BEGIN    = 0,          ///< Used for iterations
+	RAILTYPE_RAIL     = 0,          ///< Standard non-electric rails
+	RAILTYPE_ELECTRIC = 1,          ///< Electric rails
+	RAILTYPE_MONO     = 2,          ///< Monorail
+	RAILTYPE_MAGLEV   = 3,          ///< Maglev
+	RAILTYPE_END,                   ///< Used for iterations
+	INVALID_RAILTYPE  = 0xFF        ///< Flag for invalid railtype
+};
+
+typedef byte RailTypeMask;
+
+/** Allow incrementing of Track variables */
+DECLARE_POSTFIX_INCREMENT(RailType);
+/** Define basic enum properties */
+template <> struct EnumPropsT<RailType> : MakeEnumPropsT<RailType, byte, RAILTYPE_BEGIN, RAILTYPE_END, INVALID_RAILTYPE> {};
+typedef TinyEnumT<RailType> RailTypeByte;
+
+#endif /* RAIL_TYPE_H */