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