001package net.minecraft.client.particle;
002
003import cpw.mods.fml.relauncher.Side;
004import cpw.mods.fml.relauncher.SideOnly;
005import net.minecraft.world.World;
006
007@SideOnly(Side.CLIENT)
008public class EntityEnchantmentTableParticleFX extends EntityFX
009{
010    private float field_70565_a;
011    private double field_70568_aq;
012    private double field_70567_ar;
013    private double field_70566_as;
014
015    public EntityEnchantmentTableParticleFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
016    {
017        super(par1World, par2, par4, par6, par8, par10, par12);
018        this.motionX = par8;
019        this.motionY = par10;
020        this.motionZ = par12;
021        this.field_70568_aq = this.posX = par2;
022        this.field_70567_ar = this.posY = par4;
023        this.field_70566_as = this.posZ = par6;
024        float var14 = this.rand.nextFloat() * 0.6F + 0.4F;
025        this.field_70565_a = this.particleScale = this.rand.nextFloat() * 0.5F + 0.2F;
026        this.particleRed = this.particleGreen = this.particleBlue = 1.0F * var14;
027        this.particleGreen *= 0.9F;
028        this.particleRed *= 0.9F;
029        this.particleMaxAge = (int)(Math.random() * 10.0D) + 30;
030        this.noClip = true;
031        this.setParticleTextureIndex((int)(Math.random() * 26.0D + 1.0D + 224.0D));
032    }
033
034    public int getBrightnessForRender(float par1)
035    {
036        int var2 = super.getBrightnessForRender(par1);
037        float var3 = (float)this.particleAge / (float)this.particleMaxAge;
038        var3 *= var3;
039        var3 *= var3;
040        int var4 = var2 & 255;
041        int var5 = var2 >> 16 & 255;
042        var5 += (int)(var3 * 15.0F * 16.0F);
043
044        if (var5 > 240)
045        {
046            var5 = 240;
047        }
048
049        return var4 | var5 << 16;
050    }
051
052    /**
053     * Gets how bright this entity is.
054     */
055    public float getBrightness(float par1)
056    {
057        float var2 = super.getBrightness(par1);
058        float var3 = (float)this.particleAge / (float)this.particleMaxAge;
059        var3 *= var3;
060        var3 *= var3;
061        return var2 * (1.0F - var3) + var3;
062    }
063
064    /**
065     * Called to update the entity's position/logic.
066     */
067    public void onUpdate()
068    {
069        this.prevPosX = this.posX;
070        this.prevPosY = this.posY;
071        this.prevPosZ = this.posZ;
072        float var1 = (float)this.particleAge / (float)this.particleMaxAge;
073        var1 = 1.0F - var1;
074        float var2 = 1.0F - var1;
075        var2 *= var2;
076        var2 *= var2;
077        this.posX = this.field_70568_aq + this.motionX * (double)var1;
078        this.posY = this.field_70567_ar + this.motionY * (double)var1 - (double)(var2 * 1.2F);
079        this.posZ = this.field_70566_as + this.motionZ * (double)var1;
080
081        if (this.particleAge++ >= this.particleMaxAge)
082        {
083            this.setDead();
084        }
085    }
086}