    001package net.minecraft.client.particle;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.renderer.Tessellator;
    006import net.minecraft.world.World;
    007
    008@SideOnly(Side.CLIENT)
    009public class EntityReddustFX extends EntityFX
    010{
    011    float reddustParticleScale;
    012
    013    public EntityReddustFX(World par1World, double par2, double par4, double par6, float par8, float par9, float par10)
    014    {
    015        this(par1World, par2, par4, par6, 1.0F, par8, par9, par10);
    016    }
    017
    018    public EntityReddustFX(World par1World, double par2, double par4, double par6, float par8, float par9, float par10, float par11)
    019    {
    020        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
    021        this.motionX *= 0.10000000149011612D;
    022        this.motionY *= 0.10000000149011612D;
    023        this.motionZ *= 0.10000000149011612D;
    024
    025        if (par9 == 0.0F)
    026        {
    027            par9 = 1.0F;
    028        }
    029
    030        float var12 = (float)Math.random() * 0.4F + 0.6F;
    031        this.particleRed = ((float)(Math.random() * 0.20000000298023224D) + 0.8F) * par9 * var12;
    032        this.particleGreen = ((float)(Math.random() * 0.20000000298023224D) + 0.8F) * par10 * var12;
    033        this.particleBlue = ((float)(Math.random() * 0.20000000298023224D) + 0.8F) * par11 * var12;
    034        this.particleScale *= 0.75F;
    035        this.particleScale *= par8;
    036        this.reddustParticleScale = this.particleScale;
    037        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D));
    038        this.particleMaxAge = (int)((float)this.particleMaxAge * par8);
    039        this.noClip = false;
    040    }
    041
    042    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    043    {
    044        float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
    045
    046        if (var8 < 0.0F)
    047        {
    048            var8 = 0.0F;
    049        }
    050
    051        if (var8 > 1.0F)
    052        {
    053            var8 = 1.0F;
    054        }
    055
    056        this.particleScale = this.reddustParticleScale * var8;
    057        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    058    }
    059
    060    /**
    061     * Called to update the entity's position/logic.
    062     */
    063    public void onUpdate()
    064    {
    065        this.prevPosX = this.posX;
    066        this.prevPosY = this.posY;
    067        this.prevPosZ = this.posZ;
    068
    069        if (this.particleAge++ >= this.particleMaxAge)
    070        {
    071            this.setDead();
    072        }
    073
    074        this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
    075        this.moveEntity(this.motionX, this.motionY, this.motionZ);
    076
    077        if (this.posY == this.prevPosY)
    078        {
    079            this.motionX *= 1.1D;
    080            this.motionZ *= 1.1D;
    081        }
    082
    083        this.motionX *= 0.9599999785423279D;
    084        this.motionY *= 0.9599999785423279D;
    085        this.motionZ *= 0.9599999785423279D;
    086
    087        if (this.onGround)
    088        {
    089            this.motionX *= 0.699999988079071D;
    090            this.motionZ *= 0.699999988079071D;
    091        }
    092    }
    093}