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