summaryrefslogtreecommitdiff
path: root/src/ai/api/ai_waypoint.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/ai/api/ai_waypoint.hpp')
-rw-r--r--src/ai/api/ai_waypoint.hpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/ai/api/ai_waypoint.hpp b/src/ai/api/ai_waypoint.hpp
new file mode 100644
index 000000000..69eacb10e
--- /dev/null
+++ b/src/ai/api/ai_waypoint.hpp
@@ -0,0 +1,66 @@
+/* $Id$ */
+
+/** @file ai_waypoint.hpp Everything to query and build waypoints. */
+
+#ifndef AI_WAYPOINT_HPP
+#define AI_WAYPOINT_HPP
+
+#include "ai_object.hpp"
+#include "ai_error.hpp"
+
+/**
+ * Class that handles all waypoint related functions.
+ */
+class AIWaypoint : public AIObject {
+public:
+ static const char *GetClassName() { return "AIWaypoint"; }
+
+ enum SpecialWaypointIDs {
+ WAYPOINT_INVALID = -1, //!< An invalid WaypointID.
+ };
+
+ /**
+ * Checks whether the given waypoint is valid and owned by you.
+ * @param waypoint_id The waypoint to check.
+ * @return True if and only if the waypoint is valid.
+ */
+ static bool IsValidWaypoint(WaypointID waypoint_id);
+
+ /**
+ * Get the WaypointID of a tile.
+ * @param tile The tile to find the WaypointID of.
+ * @pre AIRail::IsRailWaypointTile(tile).
+ * @return WaypointID of the waypoint.
+ */
+ static WaypointID GetWaypointID(TileIndex tile);
+
+ /**
+ * Get the name of a waypoint.
+ * @param waypoint_id The waypoint to get the name of.
+ * @pre IsValidWaypoint(waypoint_id).
+ * @return The name of the waypoint.
+ */
+ static char *GetName(WaypointID waypoint_id);
+
+ /**
+ * Set the name this waypoint.
+ * @param waypoint_id The waypoint to set the name of.
+ * @param name The new name of the waypoint.
+ * @pre IsValidWaypointwaypoint_id).
+ * @pre 'name' must have at least one character.
+ * @pre 'name' must have at most 30 characters.
+ * @exception AIError::ERR_NAME_IS_NOT_UNIQUE
+ * @return True if the name was changed.
+ */
+ static bool SetName(WaypointID waypoint_id, const char *name);
+
+ /**
+ * Get the current location of a waypoint.
+ * @param waypoint_id The waypoint to get the location of.
+ * @pre IsValidWaypoint(waypoint_id).
+ * @return The tile the waypoint is currently on.
+ */
+ static TileIndex GetLocation(WaypointID waypoint_id);
+};
+
+#endif /* AI_WAYPOINT_HPP */