Onslaught.ONSDirtSlipEffect

//-----------------------------------------------------------
//
//-----------------------------------------------------------
class ONSDirtSlipEffect extends Emitter;

#exec OBJ LOAD FILE=..\Sounds\ONSVehicleSounds-S.uax

var () int      MaxSpritePPS;
var () int      MaxMeshPPS;
var () sound    DirtSlipSound;

simulated function SetDirtColor(color DirtColor)
{
    local color DirtColorZeroAlpha, DirtColorHalfAlpha;

    // Ignore if dust color if black.
    if(DirtColor.R == 0 && DirtColor.G == 0 && DirtColor.B == 0)
        return;

    DirtColor.A = 255;

    DirtColorZeroAlpha = DirtColor;
    DirtColorZeroAlpha.A = 0;

    DirtColorHalfAlpha = DirtColor;
    DirtColorHalfAlpha.A = 128;

    Emitters[0].ColorScale[0].Color = DirtColorZeroAlpha;
    Emitters[0].ColorScale[1].Color = DirtColorHalfAlpha;
    Emitters[0].ColorScale[2].Color = DirtColorHalfAlpha;
    Emitters[0].ColorScale[3].Color = DirtColorZeroAlpha;
}

simulated function UpdateDust(SVehicleWheel t, float DustSlipRate, float DustSlipThresh)
{
    local float SpritePPS, MeshPPS;

    //Log("Material:"$t.GroundMaterial$" OnGround:"$t.bTireOnGround);

    // If wheel is on ground, and slipping above threshold..
    if(t.bWheelOnGround && t.SlipVel > DustSlipThresh)
    {
        SpritePPS = FMin(DustSlipRate * (t.SlipVel - DustSlipThresh), MaxSpritePPS);

        Emitters[0].ParticlesPerSecond = SpritePPS;
        Emitters[0].InitialParticlesPerSecond = SpritePPS;
        Emitters[0].AllParticlesDead = false;

        MeshPPS = FMin(DustSlipRate * (t.SlipVel - DustSlipThresh), MaxMeshPPS);

        Emitters[1].ParticlesPerSecond = MeshPPS;
        Emitters[1].InitialParticlesPerSecond = MeshPPS;
        Emitters[1].AllParticlesDead = false;

        AmbientSound = DirtSlipSound;
    }
    else // ..otherwise, switch off.
    {
        Emitters[0].ParticlesPerSecond = 0;
        Emitters[0].InitialParticlesPerSecond = 0;

        Emitters[1].ParticlesPerSecond = 0;
        Emitters[1].InitialParticlesPerSecond = 0;

        AmbientSound = None;
    }
}

defaultproperties
{
     MaxSpritePPS=70
     MaxMeshPPS=70
     DirtSlipSound=Sound'ONSVehicleSounds-S.PRV.DirtSkid03'
     Begin Object Class=SpriteEmitter Name=SpriteEmitter1
         UseColorScale=Wahr
         RespawnDeadParticles=Falsch
         SpinParticles=Wahr
         UseSizeScale=Wahr
         UseRegularSizeScale=Falsch
         UniformSize=Wahr
         AutomaticInitialSpawning=Falsch
         Acceleration=(Z=15.000000)
         ColorScale(0)=(Color=(B=30,G=90,R=110))
         ColorScale(1)=(RelativeTime=0.100000,Color=(B=34,G=44,R=66,A=128))
         ColorScale(2)=(RelativeTime=0.900000,Color=(B=36,G=49,R=64,A=128))
         ColorScale(3)=(RelativeTime=1.000000,Color=(B=20,G=50,R=80))
         MaxParticles=100
         StartLocationRange=(Y=(Min=-24.000000,Max=24.000000))
         UseRotationFrom=PTRS_Actor
         SpinsPerSecondRange=(X=(Max=0.025000))
         StartSpinRange=(X=(Max=1.000000))
         SizeScale(0)=(RelativeSize=0.250000)
         SizeScale(1)=(RelativeTime=0.500000,RelativeSize=1.000000)
         SizeScale(2)=(RelativeTime=0.900000,RelativeSize=2.000000)
         StartSizeRange=(X=(Min=50.000000,Max=50.000000),Y=(Min=50.000000,Max=50.000000),Z=(Min=50.000000,Max=50.000000))
         DrawStyle=PTDS_AlphaBlend
         Texture=Texture'VehicleFX.Particles.DustyCloud2'
         SecondsBeforeInactive=0.000000
         LifetimeRange=(Min=0.500000,Max=1.100000)
     End Object
     Emitters(0)=SpriteEmitter'Onslaught.ONSDirtSlipEffect.SpriteEmitter1'

     Begin Object Class=SpriteEmitter Name=SpriteEmitter0
         FadeOut=Wahr
         RespawnDeadParticles=Falsch
         SpinParticles=Wahr
         UniformSize=Wahr
         AutomaticInitialSpawning=Falsch
         BlendBetweenSubdivisions=Wahr
         UseRandomSubdivision=Wahr
         Acceleration=(Z=-550.000000)
         FadeOutStartTime=0.500000
         MaxParticles=150
         StartLocationRange=(X=(Min=-10.000000,Max=10.000000),Y=(Min=-10.000000,Max=10.000000),Z=(Min=-10.000000,Max=10.000000))
         UseRotationFrom=PTRS_Actor
         SpinsPerSecondRange=(X=(Min=0.500000,Max=2.000000))
         StartSizeRange=(X=(Min=2.000000,Max=8.000000))
         DrawStyle=PTDS_AlphaBlend
         Texture=Texture'VMParticleTextures.DirtKICKGROUP.dirtKICKTEX'
         TextureUSubdivisions=16
         TextureVSubdivisions=16
         SecondsBeforeInactive=0.000000
         LifetimeRange=(Min=0.650000,Max=0.650000)
         StartVelocityRange=(X=(Min=-150.000000,Max=-250.000000),Y=(Min=-80.000000,Max=80.000000),Z=(Min=50.000000,Max=250.000000))
     End Object
     Emitters(1)=SpriteEmitter'Onslaught.ONSDirtSlipEffect.SpriteEmitter0'

     CullDistance=5000.000000
     bNoDelete=Falsch
     bHardAttach=Wahr
     SoundVolume=40
}