U2Pawns.ProjectileSkaarjHeavySeeking

//=============================================================================
// ProjectileSkaarjHeavySeeking.uc
// $Author: Mfox $
// $Date: 12/10/02 12:58p $
// $Revision: 9 $
//=============================================================================

class ProjectileSkaarjHeavySeeking extends ProjectileSkaarjBase;

var() float TurnRateDegreesPerSecond;
//var() float MaxCollisionRadius;
//var() float MaxCollisionHeight;

//-----------------------------------------------------------------------------

var Actor TargetActor;

//-----------------------------------------------------------------------------

event PreBeginPlay()
{
	local float ScaleFactor;
	
	Super.PreBeginPlay();
	
	ScaleFactor = 0.5 + 0.5*Level.Game.GetNormalizedDifficulty();
	
	// scale turn rate based on game difficulty (0.5..1.0)
	TurnRateDegreesPerSecond = ScaleFactor * default.TurnRateDegreesPerSecond;
	
	// scale lifespan based on game difficulty (0.5..1.0)
	LifeSpan = ScaleFactor * default.LifeSpan;
}

//-----------------------------------------------------------------------------

static function float GetProjectileSpeed( Actor ContextActor )
{
	return default.MaxSpeed; // don't scale with difficulty
}

//-----------------------------------------------------------------------------

simulated event Tick( float DeltaTime )
{
	local vector TargetLocation;
	local float TargetDistance;
	local vector OldVelocityNormal, NewVelocityNormal;
	local vector Axis;
	local float Angle, MaxDegrees;
	//local float NewCollisionRadius, NewCollisionHeight;

	Super.Tick( DeltaTime );

	/*
	if( CollisionRadius < MaxCollisionRadius || CollisionHeight	< MaxCollisionHeight && (default.LifeSpan - LifeSpan) > 2.0 )
	{
		//DMT( "CR: " $ CollisionRadius $ " CH: " $ CollisionHeight );
		
		// slowly increase collision so that projectile doesn't hit something right away
		NewCollisionRadius = FMin( MaxCollisionRadius, CollisionRadius + MaxCollisionRadius*DeltaTime*0.5 );
		NewCollisionHeight = FMin( MaxCollisionHeight, CollisionHeight + MaxCollisionHeight*DeltaTime*0.5 );
		SetCollisionSize( NewCollisionRadius, NewCollisionHeight );
		if( CollisionRadius >= MaxCollisionRadius && CollisionHeight >= MaxCollisionHeight )
		{
			SetCollision( true, false, false );
			bCollideWorld = true;
			bProjTarget = true;
		}
	}
	*/
	
	if( TargetActor != None && !TargetActor.bDeleteMe )
	{
		// aim high to avoid hitting ground too far in front of target
		TargetLocation = TargetActor.Location + 0.9*TargetActor.CollisionHeight*vect(0,0,1);
		
		OldVelocityNormal = Normal( Velocity );
		NewVelocityNormal = Normal( TargetLocation - Location );
		
		Angle = ACos( FClamp( NewVelocityNormal dot OldVelocityNormal, 0.0, 1.0 ) );
		MaxDegrees = DeltaTime*TurnRateDegreesPerSecond;
		
		//DMT( "Angle: " $ Angle $ "(" $ NewVelocityNormal dot OldVelocityNormal $ ")" $ " MaxDegrees: " $ MaxDegrees );

		if( Angle > MaxDegrees )
		{
			// constrain direction change
			Axis = Normal( OldVelocityNormal cross NewVelocityNormal );
			NewVelocityNormal = Normal( RotateAngleAxis( OldVelocityNormal, Axis, MaxDegrees*RadiansToDegrees*DegreesToRotationUnits ) );
		}
		
		// slow down when approaching target?
		TargetDistance = VSize( TargetLocation - Location );
		if( TargetDistance > 1024.0 )
			Velocity = NewVelocityNormal * Speed;
		else
			Velocity = NewVelocityNormal * class'Util'.static.ScaleLinear( TargetDistance, 0.0, 1024.0, 200.0, default.Speed );
		//DMT( "Speed: " $ VSize( Velocity ) );
	}
}

//-----------------------------------------------------------------------------

simulated function SetTarget( Actor A )
{
	TargetActor = A;
}

//-----------------------------------------------------------------------------

defaultproperties
{
	TurnRateDegreesPerSecond=1.000000
	FireParticleSalamander=ParticleSalamander'skaarj_fx.ParticleSalamander4'
	ExplodeParticleGenerator=ParticleSalamander'skaarj_fx.ParticleSalamander6'
	FireSound=Sound'U2WeaponsA.SkaarjGlove.SG_HeavyFire'
	ExplosionSound=Sound'U2WeaponsA.SkaarjGlove.SG_HeavyExplode'
	ShakeRadius=1024.000000
	ShakeMagnitude=30.000000
	ShakeDuration=1.200000
	speed=2500.000000
	MaxSpeed=2500.000000
	Damage=250.000000
	DamageRadius=256.000000
	MomentumTransfer=80000.000000
	AmbientSound=Sound'U2WeaponsA.SkaarjGlove.SG_HeavyAmbient'
	TransientSoundRadius=200.000000
     UseReticleOnEvents(0)="UseReticleText"
     UseReticleOnEvents(1)="UseReticleCorners"
     UseReticleOnEvents(2)="UseReticleTopBars"
     ProximityReticleOnEvents(0)="ProximityReticleCorners"
     ProximityReticleOnEvents(1)="ProximityReticleTopBars"
}