    001    package net.minecraft.client.particle;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import net.minecraft.client.renderer.Tessellator;
    006    import net.minecraft.world.World;
    007
    008    @SideOnly(Side.CLIENT)
    009    public 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    }