(svn r12986) -Codechange: move the landscape and transport related types from openttd.h to their own headers.

1 files changed, 26 insertions, 0 deletions

diff --git a/src/transport_type.h b/src/transport_type.h
new file mode 100644
index 000000000..c23afbd7c
--- /dev/null
+++ b/src/transport_type.h
@@ -0,0 +1,26 @@
+/* $Id$ */
+
+/** @file transport_type.h Base types related to transport. */
+
+#ifndef TRANSPORT_TYPE_H
+#define TRANSPORT_TYPE_H
+
+typedef uint16 UnitID;
+
+enum TransportType {
+	/* These constants are for now linked to the representation of bridges
+	 * and tunnels, so they can be used by GetTileTrackStatus_TunnelBridge.
+	 * In an ideal world, these constants would be used everywhere when
+	 * accessing tunnels and bridges. For now, you should just not change
+	 * the values for road and rail.
+	 */
+	TRANSPORT_BEGIN = 0,
+	TRANSPORT_RAIL = TRANSPORT_BEGIN,
+	TRANSPORT_ROAD,
+	TRANSPORT_WATER,
+	TRANSPORT_AIR,
+	TRANSPORT_END,
+	INVALID_TRANSPORT = 0xff,
+};
+
+#endif /* TRANSPORT_TYPE_H */