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 EntityFlameFX extends EntityFX
010{
011    /** the scale of the flame FX */
012    private float flameScale;
013
014    public EntityFlameFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
015    {
016        super(par1World, par2, par4, par6, par8, par10, par12);
017        this.motionX = this.motionX * 0.009999999776482582D + par8;
018        this.motionY = this.motionY * 0.009999999776482582D + par10;
019        this.motionZ = this.motionZ * 0.009999999776482582D + par12;
020        double d6 = par2 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
021        d6 = par4 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
022        d6 = par6 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
023        this.flameScale = this.particleScale;
024        this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
025        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D)) + 4;
026        this.noClip = true;
027        this.setParticleTextureIndex(48);
028    }
029
030    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
031    {
032        float f6 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
033        this.particleScale = this.flameScale * (1.0F - f6 * f6 * 0.5F);
034        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
035    }
036
037    public int getBrightnessForRender(float par1)
038    {
039        float f1 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
040
041        if (f1 < 0.0F)
042        {
043            f1 = 0.0F;
044        }
045
046        if (f1 > 1.0F)
047        {
048            f1 = 1.0F;
049        }
050
051        int i = super.getBrightnessForRender(par1);
052        int j = i & 255;
053        int k = i >> 16 & 255;
054        j += (int)(f1 * 15.0F * 16.0F);
055
056        if (j > 240)
057        {
058            j = 240;
059        }
060
061        return j | k << 16;
062    }
063
064    /**
065     * Gets how bright this entity is.
066     */
067    public float getBrightness(float par1)
068    {
069        float f1 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
070
071        if (f1 < 0.0F)
072        {
073            f1 = 0.0F;
074        }
075
076        if (f1 > 1.0F)
077        {
078            f1 = 1.0F;
079        }
080
081        float f2 = super.getBrightness(par1);
082        return f2 * f1 + (1.0F - f1);
083    }
084
085    /**
086     * Called to update the entity's position/logic.
087     */
088    public void onUpdate()
089    {
090        this.prevPosX = this.posX;
091        this.prevPosY = this.posY;
092        this.prevPosZ = this.posZ;
093
094        if (this.particleAge++ >= this.particleMaxAge)
095        {
096            this.setDead();
097        }
098
099        this.moveEntity(this.motionX, this.motionY, this.motionZ);
100        this.motionX *= 0.9599999785423279D;
101        this.motionY *= 0.9599999785423279D;
102        this.motionZ *= 0.9599999785423279D;
103
104        if (this.onGround)
105        {
106            this.motionX *= 0.699999988079071D;
107            this.motionZ *= 0.699999988079071D;
108        }
109    }
110}