EntityCloudFX.java

package net.minecraft.client.particle;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.world.World;

@SideOnly(Side.CLIENT)
public class EntityCloudFX extends EntityFX
{
    float field_70569_a;

    public EntityCloudFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    {
        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
        float var14 = 2.5F;
        this.motionX *= 0.10000000149011612D;
        this.motionY *= 0.10000000149011612D;
        this.motionZ *= 0.10000000149011612D;
        this.motionX += par8;
        this.motionY += par10;
        this.motionZ += par12;
        this.particleRed = this.particleGreen = this.particleBlue = 1.0F - (float)(Math.random() * 0.30000001192092896D);
        this.particleScale *= 0.75F;
        this.particleScale *= var14;
        this.field_70569_a = this.particleScale;
        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.3D));
        this.particleMaxAge = (int)((float)this.particleMaxAge * var14);
        this.noClip = false;
    }

    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    {
        float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;

        if (var8 < 0.0F)
        {
            var8 = 0.0F;
        }

        if (var8 > 1.0F)
        {
            var8 = 1.0F;
        }

        this.particleScale = this.field_70569_a * var8;
        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    }

    /**
     * Called to update the entity's position/logic.
     */
    public void onUpdate()
    {
        this.prevPosX = this.posX;
        this.prevPosY = this.posY;
        this.prevPosZ = this.posZ;

        if (this.particleAge++ >= this.particleMaxAge)
        {
            this.setDead();
        }

        this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
        this.moveEntity(this.motionX, this.motionY, this.motionZ);
        this.motionX *= 0.9599999785423279D;
        this.motionY *= 0.9599999785423279D;
        this.motionZ *= 0.9599999785423279D;
        EntityPlayer var1 = this.worldObj.getClosestPlayerToEntity(this, 2.0D);

        if (var1 != null && this.posY > var1.boundingBox.minY)
        {
            this.posY += (var1.boundingBox.minY - this.posY) * 0.2D;
            this.motionY += (var1.motionY - this.motionY) * 0.2D;
            this.setPosition(this.posX, this.posY, this.posZ);
        }

        if (this.onGround)
        {
            this.motionX *= 0.699999988079071D;
            this.motionZ *= 0.699999988079071D;
        }
    }
}