    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.entity.player.EntityPlayer;
    007    import net.minecraft.world.World;
    008
    009    @SideOnly(Side.CLIENT)
    010    public class EntityCloudFX extends EntityFX
    011    {
    012        float field_70569_a;
    013
    014        public EntityCloudFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    015        {
    016            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
    017            float var14 = 2.5F;
    018            this.motionX *= 0.10000000149011612D;
    019            this.motionY *= 0.10000000149011612D;
    020            this.motionZ *= 0.10000000149011612D;
    021            this.motionX += par8;
    022            this.motionY += par10;
    023            this.motionZ += par12;
    024            this.particleRed = this.particleGreen = this.particleBlue = 1.0F - (float)(Math.random() * 0.30000001192092896D);
    025            this.particleScale *= 0.75F;
    026            this.particleScale *= var14;
    027            this.field_70569_a = this.particleScale;
    028            this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.3D));
    029            this.particleMaxAge = (int)((float)this.particleMaxAge * var14);
    030            this.noClip = false;
    031        }
    032
    033        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    034        {
    035            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
    036
    037            if (var8 < 0.0F)
    038            {
    039                var8 = 0.0F;
    040            }
    041
    042            if (var8 > 1.0F)
    043            {
    044                var8 = 1.0F;
    045            }
    046
    047            this.particleScale = this.field_70569_a * var8;
    048            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    049        }
    050
    051        /**
    052         * Called to update the entity's position/logic.
    053         */
    054        public void onUpdate()
    055        {
    056            this.prevPosX = this.posX;
    057            this.prevPosY = this.posY;
    058            this.prevPosZ = this.posZ;
    059
    060            if (this.particleAge++ >= this.particleMaxAge)
    061            {
    062                this.setDead();
    063            }
    064
    065            this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
    066            this.moveEntity(this.motionX, this.motionY, this.motionZ);
    067            this.motionX *= 0.9599999785423279D;
    068            this.motionY *= 0.9599999785423279D;
    069            this.motionZ *= 0.9599999785423279D;
    070            EntityPlayer var1 = this.worldObj.getClosestPlayerToEntity(this, 2.0D);
    071
    072            if (var1 != null && this.posY > var1.boundingBox.minY)
    073            {
    074                this.posY += (var1.boundingBox.minY - this.posY) * 0.2D;
    075                this.motionY += (var1.motionY - this.motionY) * 0.2D;
    076                this.setPosition(this.posX, this.posY, this.posZ);
    077            }
    078
    079            if (this.onGround)
    080            {
    081                this.motionX *= 0.699999988079071D;
    082                this.motionZ *= 0.699999988079071D;
    083            }
    084        }
    085    }