    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.world.World;
    007
    008@SideOnly(Side.CLIENT)
    009public class EntityLavaFX extends EntityFX
    010{
    011    private float lavaParticleScale;
    012
    013    public EntityLavaFX(World par1World, double par2, double par4, double par6)
    014    {
    015        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
    016        this.motionX *= 0.800000011920929D;
    017        this.motionY *= 0.800000011920929D;
    018        this.motionZ *= 0.800000011920929D;
    019        this.motionY = (double)(this.rand.nextFloat() * 0.4F + 0.05F);
    020        this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
    021        this.particleScale *= this.rand.nextFloat() * 2.0F + 0.2F;
    022        this.lavaParticleScale = this.particleScale;
    023        this.particleMaxAge = (int)(16.0D / (Math.random() * 0.8D + 0.2D));
    024        this.noClip = false;
    025        this.setParticleTextureIndex(49);
    026    }
    027
    028    public int getBrightnessForRender(float par1)
    029    {
    030        float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
    031
    032        if (var2 < 0.0F)
    033        {
    034            var2 = 0.0F;
    035        }
    036
    037        if (var2 > 1.0F)
    038        {
    039            var2 = 1.0F;
    040        }
    041
    042        int var3 = super.getBrightnessForRender(par1);
    043        short var4 = 240;
    044        int var5 = var3 >> 16 & 255;
    045        return var4 | var5 << 16;
    046    }
    047
    048    /**
    049     * Gets how bright this entity is.
    050     */
    051    public float getBrightness(float par1)
    052    {
    053        return 1.0F;
    054    }
    055
    056    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    057    {
    058        float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
    059        this.particleScale = this.lavaParticleScale * (1.0F - var8 * var8);
    060        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    061    }
    062
    063    /**
    064     * Called to update the entity's position/logic.
    065     */
    066    public void onUpdate()
    067    {
    068        this.prevPosX = this.posX;
    069        this.prevPosY = this.posY;
    070        this.prevPosZ = this.posZ;
    071
    072        if (this.particleAge++ >= this.particleMaxAge)
    073        {
    074            this.setDead();
    075        }
    076
    077        float var1 = (float)this.particleAge / (float)this.particleMaxAge;
    078
    079        if (this.rand.nextFloat() > var1)
    080        {
    081            this.worldObj.spawnParticle("smoke", this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ);
    082        }
    083
    084        this.motionY -= 0.03D;
    085        this.moveEntity(this.motionX, this.motionY, this.motionZ);
    086        this.motionX *= 0.9990000128746033D;
    087        this.motionY *= 0.9990000128746033D;
    088        this.motionZ *= 0.9990000128746033D;
    089
    090        if (this.onGround)
    091        {
    092            this.motionX *= 0.699999988079071D;
    093            this.motionZ *= 0.699999988079071D;
    094        }
    095    }
    096}