1 files changed, 54 insertions, 0 deletions
diff --git a/src/order_func.h b/src/order_func.h
new file mode 100644
index 000000000..3351ea23b
--- /dev/null
+++ b/src/order_func.h
@@ -0,0 +1,54 @@
+/* $Id$ */
+
+/** @file order_func.h Functions related to orders. */
+
+#ifndef ORDER_FUNC_H
+#define ORDER_FUNC_H
+
+#include "order_type.h"
+#include "vehicle_type.h"
+#include "tile_type.h"
+#include "group_type.h"
+#include "date_type.h"
+
+struct BackuppedOrders {
+	BackuppedOrders() : order(NULL), name(NULL) { }
+	~BackuppedOrders() { free(order); free(name); }
+
+	VehicleID clone;
+	VehicleOrderID orderindex;
+	GroupID group;
+	Order *order;
+	uint16 service_interval;
+	char *name;
+};
+
+extern TileIndex _backup_orders_tile;
+extern BackuppedOrders _backup_orders_data;
+
+void BackupVehicleOrders(const Vehicle *v, BackuppedOrders *order = &_backup_orders_data);
+void RestoreVehicleOrders(const Vehicle *v, const BackuppedOrders *order = &_backup_orders_data);
+
+/* Functions */
+void RemoveOrderFromAllVehicles(OrderType type, DestinationID destination);
+void InvalidateVehicleOrder(const Vehicle *v);
+bool VehicleHasDepotOrders(const Vehicle *v);
+void CheckOrders(const Vehicle*);
+void DeleteVehicleOrders(Vehicle *v);
+bool CheckForValidOrders(const Vehicle* v);
+
+#define MIN_SERVINT_PERCENT  5
+#define MAX_SERVINT_PERCENT 90
+#define MIN_SERVINT_DAYS    30
+#define MAX_SERVINT_DAYS   800
+
+/**
+ * Get the service interval domain.
+ * Get the new proposed service interval for the vehicle is indeed, clamped
+ * within the given bounds. @see MIN_SERVINT_PERCENT ,etc.
+ * @param index proposed service interval
+ * @return service interval
+ */
+Date GetServiceIntervalClamped(uint index);
+
+#endif /* ORDER_FUNC_H */