Environment.RainCyd

//=============================================================================
// RainCyd.
//=============================================================================
class RainCyd extends Effects;

#exec OBJ LOAD File=..\Textures\VertexT.utx
#exec OBJ LOAD File=..\StaticMeshes\VertexM.usx

// Set this to be the height of the cylinder when DrawScale == 1.0
// The rest of the calculations will be done automatically.
var() float CylinderHeight;

// Number of units this object may be place above the ground.
var() float TraceDepth;	

// How many should be stacked on top of each other.
var() int StackNum;

// Must set this to true if placed via the editor.
var() bool bMaster;
var bool bMasterInited;

// How many units to fall per second.
var() float MinFallRate;
var() float MaxFallRate;

// A directional vector that faces "down".
// Think of it as velocity.
//OLD var vector FallRate;

// How many degrees to rotate per second.
var() float MinRotRate;
var() float MaxRotRate;
var float RotRate;
var float RotAngle;
var rotator InitialRotation;
var bool bInitialized;
var vector InitialLocation;

// The point below us where we hit the ground.
var vector HitLocation;

// The distance beneath the ground this object must be
// before being moved back to the top of the stack.
var() float BuryDistance;

//------------------------------------------------------------------------------
simulated event Tick( float DeltaTime )
{
	local vector X, Y, Z, NotUsed;
	local rotator Rot;
	local int i;
	local RainCyd R;
	
	if( Role == ROLE_Authority && !bInitialized )
	{
		bInitialized = true;
		// Randomize roll.
		SetRotation( Rotation + rot(0,65536,0) * FRand() );
		InitialRotation = Rotation;
		InitialLocation = Location;
	}
	
	if( bMaster && !bMasterInited )
	{
		bMasterInited = true;

		GetAxes( Rotation, NotUsed, NotUsed, Z ); 
		Velocity = -Z * RandRange( MinFallRate, MaxFallRate );
		RotRate = RandRange( MinRotRate, MaxRotRate );
		CylinderHeight = default.CylinderHeight * DrawScale;
		Trace( HitLocation, NotUsed, InitialLocation + Normal(Velocity) * TraceDepth, InitialLocation, False );

		SetLocation( HitLocation - Normal(Velocity) * CylinderHeight + Normal(Velocity) * BuryDistance );
		
		for( i = 1; i < StackNum; i++ )
		{
			R = Spawn( Class,,, Location - Normal(Velocity) * (i * CylinderHeight) );
			
			// Copy all relavant variables.
			R.HitLocation		= HitLocation;
			R.InitialRotation	= InitialRotation;
			R.Velocity			= Velocity;
			R.RotRate			= RotRate;
			R.ScaleGlow			= ScaleGlow;
			R.SetDrawScale		( DrawScale );
			R.VisibilityRadius	= VisibilityRadius;
			R.VisibilityHeight	= VisibilityHeight;
			R.DetailLevel		= DetailLevel;
			R.CylinderHeight	= CylinderHeight;
			R.StackNum			= StackNum;
			R.BuryDistance		= BuryDistance;
			R.Skins[0]			= Skins[0];
			R.RemoteRole		= ROLE_None;
		}
	}

	// Update location.
	SetLocation( Location + Velocity * DeltaTime );

	// Update rotation.
	if( RotRate != 0 )
	{
		RotAngle += RotRate * DeltaTime;
		GetAxes( InitialRotation, X, Y, Z );
		SetRotation( InitialRotation + rotator(X * class'Util'.static.Cos( RotAngle * DegreesToRadians ) + Y * class'Util'.static.Sin( RotAngle*DegreesToRadians )) );
	}

	// If we go BuryDistance beyond our HitLocation, go back to the top of the stack.
	// NOTE: This assumes that FallRate will never change.  
	// This prevents us from having rain tha changes direction over time.  
	if( !class'Util'.static.VectorAproxEqual( Normal(Velocity), Normal(HitLocation + (Normal(Velocity) * BuryDistance) - Location) ) )
	{
		SetLocation( Location - Normal(Velocity) * (StackNum * CylinderHeight) );
	}
	
	Super.Tick( DeltaTime );
}

defaultproperties
{
	CylinderHeight=48.000000
	TraceDepth=1000.000000
	StackNum=5
	MinFallRate=500.000000
	MaxFallRate=700.000000
	BuryDistance=100.000000
	DrawType=DT_StaticMesh
	StaticMesh=StaticMesh'VertexM.Decorations.Xmesh'
	Texture=None
	Style=STY_Translucent
     UseReticleOnEvents(0)="UseReticleText"
     UseReticleOnEvents(1)="UseReticleCorners"
     UseReticleOnEvents(2)="UseReticleTopBars"
     ProximityReticleOnEvents(0)="ProximityReticleCorners"
     ProximityReticleOnEvents(1)="ProximityReticleTopBars"
}