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 EntityCloudFX extends EntityFX
008    {
009        float field_70569_a;
010    
011        public EntityCloudFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
012        {
013            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
014            float var14 = 2.5F;
015            this.motionX *= 0.10000000149011612D;
016            this.motionY *= 0.10000000149011612D;
017            this.motionZ *= 0.10000000149011612D;
018            this.motionX += par8;
019            this.motionY += par10;
020            this.motionZ += par12;
021            this.particleRed = this.particleGreen = this.particleBlue = 1.0F - (float)(Math.random() * 0.30000001192092896D);
022            this.particleScale *= 0.75F;
023            this.particleScale *= var14;
024            this.field_70569_a = this.particleScale;
025            this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.3D));
026            this.particleMaxAge = (int)((float)this.particleMaxAge * var14);
027            this.noClip = false;
028        }
029    
030        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
031        {
032            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
033    
034            if (var8 < 0.0F)
035            {
036                var8 = 0.0F;
037            }
038    
039            if (var8 > 1.0F)
040            {
041                var8 = 1.0F;
042            }
043    
044            this.particleScale = this.field_70569_a * var8;
045            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
046        }
047    
048        /**
049         * Called to update the entity's position/logic.
050         */
051        public void onUpdate()
052        {
053            this.prevPosX = this.posX;
054            this.prevPosY = this.posY;
055            this.prevPosZ = this.posZ;
056    
057            if (this.particleAge++ >= this.particleMaxAge)
058            {
059                this.setDead();
060            }
061    
062            this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
063            this.moveEntity(this.motionX, this.motionY, this.motionZ);
064            this.motionX *= 0.9599999785423279D;
065            this.motionY *= 0.9599999785423279D;
066            this.motionZ *= 0.9599999785423279D;
067            EntityPlayer var1 = this.worldObj.getClosestPlayerToEntity(this, 2.0D);
068    
069            if (var1 != null && this.posY > var1.boundingBox.minY)
070            {
071                this.posY += (var1.boundingBox.minY - this.posY) * 0.2D;
072                this.motionY += (var1.motionY - this.motionY) * 0.2D;
073                this.setPosition(this.posX, this.posY, this.posZ);
074            }
075    
076            if (this.onGround)
077            {
078                this.motionX *= 0.699999988079071D;
079                this.motionZ *= 0.699999988079071D;
080            }
081        }
082    }