UnrealShare
Class SmokeHose

Core.Object
   |
   +--Engine.Actor
      |
      +--Engine.Effects
         |
         +--UnrealShare.SmokeHose

00001	//=============================================================================
00002	// SmokeHose.
00003	//=============================================================================
00004	class SmokeHose extends Effects;
00005	
00006	// Shoots out a stream of RisingSpriteSmokePuffs.  The smoke sprites are shot
00007	// in the direction of the SmokeHoseDest actor with the same Tag as this actors
00008	// Event.  The speed, speedvariance, spawning delay and variance, size and
00009	// size variance, as well as the acceleration of the smoke puffs are adjustable.
00010	// The effect can be initially active all the time, or enabled when the player
00011	// is within a trigger's radius.
00012	
00013	var() bool   bInitiallyActive;
00014	var() float  SmokeSpeed;
00015	var() Vector SmokeAccel;
00016	var() float  SmokeDelay;
00017	var() float  SmokeDelayVariance;
00018	var() float  SpeedVariance;
00019	var() float  BasePuffSize;
00020	var() float  SizeVariance;
00021	var() int    TotalNumPuffs;
00022	
00023	var Actor    SmokeDestObj;
00024	var int	    NumPuffsSpawned;
00025	
00026	function BeginPlay()
00027	{
00028		local SmokeHoseDest SDest;
00029	
00030		// Find the SmokeHoseDest object which has the same tag as
00031		// the event of this SmokeHose.
00032		foreach AllActors( class 'SmokeHoseDest', SDest, Event )
00033		{
00034			SmokeDestObj = SDest;
00035			break;
00036		}
00037		if ( SmokeDestObj == None )
00038		{
00039			Destroy();
00040			return;
00041		}
00042		NumPuffsSpawned = 0;
00043		if( bInitiallyActive )
00044		{
00045			Enable('Timer');
00046			SetTimer( SmokeDelay+FRand()*SmokeDelayVariance, False );
00047		}
00048		else
00049			Enable('Trigger');
00050	}
00051	
00052	function Timer()
00053	{
00054		// Spawn another smoke puff sprite
00055		local RisingSpriteSmokePuff sp;
00056		
00057		sp = Spawn(class'RisingSpriteSmokePuff');
00058		sp.DrawScale = BasePuffSize+FRand()*SizeVariance;
00059		sp.Velocity  = (SmokeSpeed + FRand()*SpeedVariance) * 
00060						Normal(SmokeDestObj.Location - Location);
00061		sp.Acceleration = SmokeAccel;
00062		NumPuffsSpawned++;
00063		if( NumPuffsSpawned>TotalNumPuffs ) Destroy();
00064		SetTimer( SmokeDelay+FRand()*SmokeDelayVariance, False );
00065	}
00066	
00067	function Trigger( actor Other, pawn EventInstigator )
00068	{
00069		// Actor entered the triggers radius
00070		Enable('Timer');
00071		SetTimer( SmokeDelay+FRand()*SmokeDelayVariance, False );
00072	}
00073	
00074	function UnTrigger( actor Other, pawn EventInstigator )
00075	{
00076		// Actor left the triggers radius
00077		Disable('Timer');
00078	}
00079	
00080	defaultproperties
00081	{
00082	     bInitiallyActive=True
00083	     SmokeSpeed=100.000000
00084	     SmokeAccel=(Z=90.000000)
00085	     SmokeDelay=0.100000
00086	     SmokeDelayVariance=0.150000
00087	     SpeedVariance=20.000000
00088	     BasePuffSize=1.000000
00089	     SizeVariance=0.200000
00090	     TotalNumPuffs=10000
00091	     bHidden=True
00092	     bNetTemporary=False
00093	     DrawType=DT_Sprite
00094	}