Gameplay
Class TriggerLight

Core.Object
   |
   +--Engine.Actor
      |
      +--Engine.Light
         |
         +--Gameplay.TriggerLight

// Called at start of gameplay.

// Called whenever time passes.

00001	//=============================================================================
00002	// TriggerLight.
00003	// A lightsource which can be triggered on or off.
00004	//=============================================================================
00005	class TriggerLight extends Light;
00006	
00007	//-----------------------------------------------------------------------------
00008	// Variables.
00009	
00010	var() float ChangeTime;        // Time light takes to change from on to off.
00011	var() bool  bInitiallyOn;      // Whether it's initially on.
00012	var() bool  bDelayFullOn;      // Delay then go full-on.
00013	var() float RemainOnTime;      // How long the TriggerPound effect lasts
00014	VAR	 bool	ShowIcon;
00015	
00016	var   float InitialBrightness; // Initial brightness.
00017	var   float Alpha, Direction;
00018	var   actor SavedTrigger;
00019	var   float poundTime;
00020	
00021	//-----------------------------------------------------------------------------
00022	// Engine functions.
00023	
00024	// Called at start of gameplay.
00025	simulated function BeginPlay()
00026	{
00027		// Remember initial light type and set new one.
00028		ShowIcon=!bHidden;
00029		if (bHidden)
00030			SetDrawType(DT_None);
00031	
00032		InitialBrightness = LightBrightness;
00033		if( bInitiallyOn )
00034		{
00035			Alpha     = 1.0;
00036			Direction = 1.0;
00037			if (ShowIcon)
00038				bHidden=False;
00039		}
00040		else
00041		{
00042			Alpha     = 0.0;
00043			Direction = -1.0;
00044			if (ShowIcon)
00045				bHidden=True;
00046		}
00047	}
00048	
00049	// Called whenever time passes.
00050	FUNCTION Tick( float DeltaTime )
00051	{
00052	//	log("bDelayFullOn "$bDelayFullOn$" LightBrightness "$LightBrightness$" Direction "$Direction$" Alpha "$Alpha);
00053		if (bDelayFullOn)
00054		{
00055			Alpha += Direction * DeltaTime / ChangeTime;
00056			if( Alpha > 1.0 )
00057			{
00058				Alpha = 1.0;
00059				Disable( 'Tick' );
00060				if( SavedTrigger != None )
00061					SavedTrigger.EndEvent();
00062			}
00063			else if( Alpha < 0.0 )
00064			{
00065				Alpha = 0.0;
00066				Disable( 'Tick' );
00067				if( SavedTrigger != None )
00068					SavedTrigger.EndEvent();
00069			}
00070		}
00071		else
00072		{
00073			if( Direction<0 ) //(Direction>0 && Alpha!=1) || Alpha==0 )
00074			{
00075				Alpha=0.0;
00076				LightBrightness = 0;
00077				if (ShowIcon)
00078					bHidden=True;
00079			}
00080			else
00081			{
00082				Alpha=1.0;
00083				LightBrightness = InitialBrightness;
00084				if (ShowIcon)
00085					bHidden=False;
00086			}
00087			Disable( 'Tick' );
00088		}
00089		LightBrightness = Alpha * InitialBrightness;
00090	}
00091	
00092	//-----------------------------------------------------------------------------
00093	// Public states.
00094	
00095	// Trigger turns the light on.
00096	state() TriggerTurnsOn
00097	{
00098		function Trigger( actor Other, pawn EventInstigator )
00099		{
00100			if( SavedTrigger!=None )
00101				SavedTrigger.EndEvent();
00102			SavedTrigger = Other;
00103			SavedTrigger.BeginEvent();
00104			Direction = 1.0;
00105			if (ShowIcon)
00106				bHidden=False;
00107			Enable( 'Tick' );
00108		}
00109	}
00110	
00111	// Trigger turns the light off.
00112	state() TriggerTurnsOff
00113	{
00114		function Trigger( actor Other, pawn EventInstigator )
00115		{
00116			if( SavedTrigger!=None )
00117				SavedTrigger.EndEvent();
00118			SavedTrigger = Other;
00119			SavedTrigger.BeginEvent();
00120			Direction = -1.0;
00121			if (ShowIcon)
00122				bHidden=True;
00123			Enable( 'Tick' );
00124		}
00125	}
00126	
00127	// Trigger toggles the light.
00128	state() TriggerToggle
00129	{
00130		function Trigger( actor Other, pawn EventInstigator )
00131		{
00132			if( SavedTrigger!=None )
00133				SavedTrigger.EndEvent();
00134			SavedTrigger = Other;
00135			SavedTrigger.BeginEvent();
00136			Direction *= -1;
00137			if (ShowIcon)
00138				bHidden=!bHidden;
00139			Enable( 'Tick' );
00140		}
00141	}
00142	
00143	// Trigger controls the light.
00144	state() TriggerControl
00145	{
00146		function Trigger( actor Other, pawn EventInstigator )
00147		{
00148			if( SavedTrigger!=None )
00149				SavedTrigger.EndEvent();
00150			SavedTrigger = Other;
00151			SavedTrigger.BeginEvent();
00152			if( bInitiallyOn ) Direction = -1.0;
00153			else               Direction = 1.0;
00154			if (ShowIcon)
00155				bHidden=bInitiallyOn;
00156			Enable( 'Tick' );
00157		}
00158		function UnTrigger( actor Other, pawn EventInstigator )
00159		{
00160			if( SavedTrigger!=None )
00161				SavedTrigger.EndEvent();
00162			SavedTrigger = Other;
00163			SavedTrigger.BeginEvent();
00164			if( bInitiallyOn ) Direction = 1.0;
00165			else               Direction = -1.0;
00166			if (ShowIcon)
00167				bHidden=!bInitiallyOn;
00168			Enable( 'Tick' );
00169		}
00170	}
00171	
00172	state() TriggerPound {
00173	
00174		function Timer () {
00175	
00176			if (poundTime >= RemainOnTime) {
00177	
00178				Disable ('Timer');
00179			}
00180			poundTime += ChangeTime;
00181			Direction *= -1;
00182			if (ShowIcon)
00183				bHidden=!bHidden;
00184			SetTimer (ChangeTime, false);
00185		}
00186	
00187		function Trigger( actor Other, pawn EventInstigator )
00188		{
00189	
00190			if( SavedTrigger!=None )
00191				SavedTrigger.EndEvent();
00192			SavedTrigger = Other;
00193			SavedTrigger.BeginEvent();
00194			Direction = 1;
00195			if (ShowIcon)
00196				bHidden=False;
00197			poundTime = ChangeTime;			// how much time will pass till reversal
00198			SetTimer (ChangeTime, false);		// wake up when it's time to reverse
00199			Enable   ('Timer');
00200			Enable   ('Tick');
00201		}
00202	}
00203	
00204	
00205	defaultproperties
00206	{
00207	     bStatic=False
00208	     bHidden=False
00209	     bNoDelete=False
00210	     bDynamicLight=True
00211	     bMovable=True
00212	     RemoteRole=ROLE_SimulatedProxy
00213	}