(svn r11663) -Codechange: moving of the road related types and functions.

1 files changed, 59 insertions, 0 deletions

diff --git a/src/road_type.h b/src/road_type.h
new file mode 100644
index 000000000..36c01eec6
--- /dev/null
+++ b/src/road_type.h
@@ -0,0 +1,59 @@
+/* $Id$ */
+
+/** @file road.h Enums and other types related to roads. */
+
+#ifndef ROAD_TYPE_H
+#define ROAD_TYPE_H
+
+#include "core/enum_type.hpp"
+
+/**
+ * The different roadtypes we support
+ *
+ * @note currently only ROADTYPE_ROAD and ROADTYPE_TRAM are supported.
+ */
+enum RoadType {
+	ROADTYPE_ROAD = 0,      ///< Basic road type
+	ROADTYPE_TRAM = 1,      ///< Trams
+	ROADTYPE_HWAY = 2,      ///< Only a placeholder. Not sure what we are going to do with this road type.
+	ROADTYPE_END,           ///< Used for iterations
+	INVALID_ROADTYPE = 0xFF ///< flag for invalid roadtype
+};
+DECLARE_POSTFIX_INCREMENT(RoadType);
+
+/**
+ * The different roadtypes we support, but then a bitmask of them
+ * @note currently only roadtypes with ROADTYPE_ROAD and ROADTYPE_TRAM are supported.
+ */
+enum RoadTypes {
+	ROADTYPES_NONE     = 0,                                                 ///< No roadtypes
+	ROADTYPES_ROAD     = 1 << ROADTYPE_ROAD,                                ///< Road
+	ROADTYPES_TRAM     = 1 << ROADTYPE_TRAM,                                ///< Trams
+	ROADTYPES_HWAY     = 1 << ROADTYPE_HWAY,                                ///< Highway (or whatever substitute)
+	ROADTYPES_ROADTRAM = ROADTYPES_ROAD | ROADTYPES_TRAM,                   ///< Road + trams
+	ROADTYPES_ROADHWAY = ROADTYPES_ROAD | ROADTYPES_HWAY,                   ///< Road + highway (or whatever substitute)
+	ROADTYPES_TRAMHWAY = ROADTYPES_TRAM | ROADTYPES_HWAY,                   ///< Trams + highway (or whatever substitute)
+	ROADTYPES_ALL      = ROADTYPES_ROAD | ROADTYPES_TRAM | ROADTYPES_HWAY,  ///< Road + trams + highway (or whatever substitute)
+};
+DECLARE_ENUM_AS_BIT_SET(RoadTypes);
+
+
+/**
+ * Enumeration for the road parts on a tile.
+ *
+ * This enumeration defines the possible road parts which
+ * can be build on a tile.
+ */
+enum RoadBits {
+	ROAD_NONE = 0U,                  ///< No road-part is build
+	ROAD_NW   = 1U,                  ///< North-west part
+	ROAD_SW   = 2U,                  ///< South-west part
+	ROAD_SE   = 4U,                  ///< South-east part
+	ROAD_NE   = 8U,                  ///< North-east part
+	ROAD_X    = ROAD_SW | ROAD_NE,   ///< Full road along the x-axis (south-west + north-east)
+	ROAD_Y    = ROAD_NW | ROAD_SE,   ///< Full road along the y-axis (north-west + south-east)
+	ROAD_ALL  = ROAD_X  | ROAD_Y     ///< Full 4-way crossing
+};
+DECLARE_ENUM_AS_BIT_SET(RoadBits);
+
+#endif /* ROAD_TYPE_H */