AI plane should go around instead of landing on user if user dawdles on runway now

[flightgear.git] / src / ATC / ATCmgr.hxx

diff --git a/src/ATC/ATCmgr.hxx b/src/ATC/ATCmgr.hxx
index 992e87f3c9e95dc0992e2ec0b601a296a11fb03c..d8546add39d4f4b49e732af441dc5a0eb93a4a5d 100644 (file)
--- a/src/ATC/ATCmgr.hxx
+++ b/src/ATC/ATCmgr.hxx
@@ -22,7 +22,8 @@
 #ifndef _FG_ATCMGR_HXX
 #define _FG_ATCMGR_HXX
 
-#include <Main/fgfs.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
+
 #include <Main/fg_props.hxx>
 #include <GUI/gui.h>
 
@@ -43,10 +44,12 @@ SG_USING_STD(list);
 SG_USING_STD(map);
 
 // Structure for holding details of the ATC frequencies at a given airport, and whether they are in the active list or not.
-// These can then be cross referenced with the [atis][tower][etc]lists which are stored by frequency.
+// These can then be cross referenced with the commlists which are stored by frequency or bucket.
 // Non-available services are denoted by a frequency of zero.
-// Eventually the whole ATC data structures may have to be rethought if we turn out to be massive memory hogs!!
+// These structures are only intended to be created for in-use airports, and removed when no longer needed. 
 struct AirportATC {
+       AirportATC();
+       
     float lon;
     float lat;
     float elev;
@@ -60,17 +63,23 @@ struct AirportATC {
     //bool approach_active;
     //float departure_freq;
     //bool departure_active;
+       
+       // NOTE - the *_active flags determine whether the service is active in atc_list,
+       // *NOT* whether the tower etc is closed or not!!!!
 
     // Flags to ensure the stations don't get wrongly deactivated
     bool set_by_AI;    // true when the AI manager has activated this station
-    bool set_by_comm_search;   // true when the comm_search has activated this station
+       unsigned int numAI;     // Ref count of the number of AI planes registered
+    bool set_by_comm[2][ATC_NUM_TYPES];        // true when the relevant comm_freq has activated this station and type
 };
 
-class FGATCMgr : public FGSubsystem
+class FGATCMgr : public SGSubsystem
 {
 
 private:
 
+       bool initDone;  // Hack - guard against update getting called before init
+
     // A map of airport ID vs frequencies and ATC provision
     typedef map < string, AirportATC* > airport_atc_map_type;
     typedef airport_atc_map_type::iterator airport_atc_map_iterator;
@@ -155,6 +164,7 @@ public:
     bool GetAirportATCDetails(string icao, AirportATC* a);
 
     // Return a pointer to a given sort of ATC at a given airport and activate if necessary
+       // Returns NULL if service doesn't exist - calling function should check for this.
     FGATC* GetATCPointer(string icao, atc_type type);
        
        // Display a dialog box with options relevant to the currently tuned ATC service.
@@ -174,6 +184,16 @@ public:
        atc_type GetComm2ATCType() { return(comm_type[1]); }
        FGATC* GetComm2ATCPointer() { return(comm_atc_ptr[1]); }
        
+       // Get the frequency of a given service at a given airport
+       // Returns zero if not found
+       unsigned short int GetFrequency(string ident, atc_type tp);
+       
+       // Register the fact that the AI system wants to activate an airport
+       bool AIRegisterAirport(string ident);
+       
+       // Register the fact that the comm radio is tuned to an airport
+       bool CommRegisterAirport(string ident, int chan, atc_type tp);
+       
 private:
 
     // Remove a class from the atc_list and delete it from memory