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 EntitySmokeFX extends EntityFX
010{
011    float smokeParticleScale;
012
013    public EntitySmokeFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
014    {
015        this(par1World, par2, par4, par6, par8, par10, par12, 1.0F);
016    }
017
018    public EntitySmokeFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, float par14)
019    {
020        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
021        this.motionX *= 0.10000000149011612D;
022        this.motionY *= 0.10000000149011612D;
023        this.motionZ *= 0.10000000149011612D;
024        this.motionX += par8;
025        this.motionY += par10;
026        this.motionZ += par12;
027        this.particleRed = this.particleGreen = this.particleBlue = (float)(Math.random() * 0.30000001192092896D);
028        this.particleScale *= 0.75F;
029        this.particleScale *= par14;
030        this.smokeParticleScale = this.particleScale;
031        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D));
032        this.particleMaxAge = (int)((float)this.particleMaxAge * par14);
033        this.noClip = false;
034    }
035
036    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
037    {
038        float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
039
040        if (var8 < 0.0F)
041        {
042            var8 = 0.0F;
043        }
044
045        if (var8 > 1.0F)
046        {
047            var8 = 1.0F;
048        }
049
050        this.particleScale = this.smokeParticleScale * var8;
051        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
052    }
053
054    /**
055     * Called to update the entity's position/logic.
056     */
057    public void onUpdate()
058    {
059        this.prevPosX = this.posX;
060        this.prevPosY = this.posY;
061        this.prevPosZ = this.posZ;
062
063        if (this.particleAge++ >= this.particleMaxAge)
064        {
065            this.setDead();
066        }
067
068        this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
069        this.motionY += 0.004D;
070        this.moveEntity(this.motionX, this.motionY, this.motionZ);
071
072        if (this.posY == this.prevPosY)
073        {
074            this.motionX *= 1.1D;
075            this.motionZ *= 1.1D;
076        }
077
078        this.motionX *= 0.9599999785423279D;
079        this.motionY *= 0.9599999785423279D;
080        this.motionZ *= 0.9599999785423279D;
081
082        if (this.onGround)
083        {
084            this.motionX *= 0.699999988079071D;
085            this.motionZ *= 0.699999988079071D;
086        }
087    }
088}