public void KOSUpdate(double deltaTime)
 {
     if (camPositionDelegate == null)
     {
         camPositionTrigger = null;
     }
     else if (camPositionTrigger == null)
     {
         camPositionTrigger = camPositionDelegate.TriggerNextUpdate();
     }
     else if (camPositionTrigger.CallbackFinished)
     {
         var result = camPositionTrigger.ReturnValue as Vector;
         if (result != null)
         {
             SetCameraPosition(result);
             camPositionTrigger = camPositionDelegate.TriggerNextUpdate();
         }
         else
         {
             camPositionTrigger  = null;
             camPositionDelegate = null;
             throw new KOSInvalidDelegateType("FLIGHTCAMERA:POSITIONUPDATER", "Vector", camPositionTrigger.ReturnValue.KOSName);
         }
     }
 }
Esempio n. 2
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        private void HandleDelegateUpdates()
        {
            // If a UserDelegate went away, throw away any previous trigger handles we may have been waiting to finish:
            // --------------------------------------------------------------------------------------------------------
            if (StartDelegate == null) // Note: if the user assigns the NoDelegate, we re-map that to null (See how the SetSuffixes of this class are set up).
            {
                StartTrigger = null;
            }
            if (VectorDelegate == null) // Note: if the user assigns the NoDelegate, we re-map that to null (See how the SetSuffixes of this class are set up).
            {
                VectorTrigger = null;
            }
            if (ColorDelegate == null) // Note: if the user assigns the NoDelegate, we re-map that to null (See how the SetSuffixes of this class are set up).
            {
                ColorTrigger = null;
            }

            // For any trigger handles for delegate calls that were in progress already, if they're now done
            // then update the value to what they returned:
            // ---------------------------------------------------------------------------------------------
            bool needToRender = false; // track when to call RenderPointCoords

            if (StartTrigger != null && StartTrigger.CallbackFinished)
            {
                if (StartTrigger.ReturnValue is Vector)
                {
                    Start        = StartTrigger.ReturnValue as Vector;
                    needToRender = true;
                }
                else
                {
                    throw new KOSInvalidDelegateType("VECDRAW:STARTDELEGATE", "Vector", StartTrigger.ReturnValue.KOSName);
                }
            }
            if (VectorTrigger != null && VectorTrigger.CallbackFinished)
            {
                if (VectorTrigger.ReturnValue is Vector)
                {
                    Vector       = VectorTrigger.ReturnValue as Vector;
                    needToRender = true;
                }
                else
                {
                    throw new KOSInvalidDelegateType("VECDRAW:VECTORDELEGATE", "Vector", VectorTrigger.ReturnValue.KOSName);
                }
            }
            if (needToRender)
            {
                RenderPointCoords();  // save a little execution time by only rendering once if both start and vec are updated
            }
            if (ColorTrigger != null && ColorTrigger.CallbackFinished)
            {
                if (ColorTrigger.ReturnValue is RgbaColor)
                {
                    Color = ColorTrigger.ReturnValue as RgbaColor;
                    RenderColor();
                }
                else
                {
                    throw new KOSInvalidDelegateType("VECDRAW:COLORDELEGATE", "Vector", ColorTrigger.ReturnValue.KOSName);
                }
            }

            // For those UserDelegates that have been assigned, if there isn't a current UserDelegate call in progress, start a new one:
            // -------------------------------------------------------------------------------------------------------------------------
            if (StartDelegate != null && (StartTrigger == null || StartTrigger.CallbackFinished))
            {
                StartTrigger = StartDelegate.TriggerNextUpdate();
                if (StartTrigger == null) // Delegate must be from a stale ProgramContext.  Stop trying to call it.
                {
                    StartDelegate = null;
                }
            }
            if (VectorDelegate != null && (VectorTrigger == null || VectorTrigger.CallbackFinished))
            {
                VectorTrigger = VectorDelegate.TriggerNextUpdate();
                if (VectorTrigger == null) // Delegate must be from a stale ProgramContext.  Stop trying to call it.
                {
                    VectorDelegate = null;
                }
            }
            if (ColorDelegate != null && (ColorTrigger == null || ColorTrigger.CallbackFinished))
            {
                ColorTrigger = ColorDelegate.TriggerNextUpdate();
                if (ColorTrigger == null) // Delegate must be from a stale ProgramContext.  Stop trying to call it.
                {
                    ColorDelegate = null;
                }
            }
        }