    001package net.minecraft.client.particle;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.client.renderer.Tessellator;
    006import net.minecraft.entity.player.EntityPlayer;
    007import net.minecraft.world.World;
    008
    009@SideOnly(Side.CLIENT)
    010public 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 f = 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 *= f;
    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 * f);
    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 f6 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
    036
    037        if (f6 < 0.0F)
    038        {
    039            f6 = 0.0F;
    040        }
    041
    042        if (f6 > 1.0F)
    043        {
    044            f6 = 1.0F;
    045        }
    046
    047        this.particleScale = this.field_70569_a * f6;
    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 entityplayer = this.worldObj.getClosestPlayerToEntity(this, 2.0D);
    071
    072        if (entityplayer != null && this.posY > entityplayer.boundingBox.minY)
    073        {
    074            this.posY += (entityplayer.boundingBox.minY - this.posY) * 0.2D;
    075            this.motionY += (entityplayer.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}