twc/src/twcevent.h

   1 /* -*- Mode: C++ -*- */
   2 #ifndef __TWCEVENT_H
   3 #define __TWCEVENT_H
   4
   5 #include <time.h>
   6 #include <wvcallback.h>
   7 #include <wvlinklist.h>
   8 #include <wvlog.h>
   9 #include <wvtimestream.h>
  10
  11 enum TWCEventType {
  12     Event = 0,
  13     DemandSurrender,
  14     WarpInto,
  15     WarpOutOf,
  16     ShipDestroyed,
  17     ShipCaptured,
  18     LaunchEscapePod,
  19     PodDestroyed,
  20     ShipAttackHit,
  21     ShipAttackMissed,
  22     ShieldsRaised,
  23     ShieldsDropped,
  24     ShipDocked,
  25     ShipUndocked,
  26     TractorBeamEngaged,
  27     TractorBeamDropped,
  28     CargoBeamedFrom,
  29     CargoBeamedTo
  30 };
  31
  32 // int parameter is the id of whatever we're talking about in the callback:
  33 // ship, player, planet, etc.
  34 typedef WvCallback<void, int> TWCEventCallback;
  35
  36 struct TWCEvent
  37 {
  38     int idx;
  39     time_t interval;
  40     bool single;
  41     time_t next;
  42     TWCEventCallback cb;
  43     int id;
  44 };
  45
  46 DeclareWvList(TWCEvent);
  47
  48 int event_sorter(const TWCEvent *a, const TWCEvent *b);
  49
  50 class TWCEventHandler : public WvTimeStream
  51 {
  52     TWCEventList events;
  53     WvLog log;
  54 public:
  55     // use set_timer() to start the handler.
  56     TWCEventHandler();
  57     virtual ~TWCEventHandler();
  58
  59     // Returns index of event.
  60     int add_event(TWCEventCallback _cb, int _id, time_t _interval,
  61                   bool _single);
  62
  63     // Remove event by index.
  64     void remove_event(int event_idx);
  65
  66     virtual void execute();
  67 };
  68
  69 #endif // __TWCEVENT_H