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 EntityFlameFX extends EntityFX
008    {
009        /** the scale of the flame FX */
010        private float flameScale;
011    
012        public EntityFlameFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
013        {
014            super(par1World, par2, par4, par6, par8, par10, par12);
015            this.motionX = this.motionX * 0.009999999776482582D + par8;
016            this.motionY = this.motionY * 0.009999999776482582D + par10;
017            this.motionZ = this.motionZ * 0.009999999776482582D + par12;
018            double var10000 = par2 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
019            var10000 = par4 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
020            var10000 = par6 + (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
021            this.flameScale = this.particleScale;
022            this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
023            this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D)) + 4;
024            this.noClip = true;
025            this.setParticleTextureIndex(48);
026        }
027    
028        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
029        {
030            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
031            this.particleScale = this.flameScale * (1.0F - var8 * var8 * 0.5F);
032            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
033        }
034    
035        public int getBrightnessForRender(float par1)
036        {
037            float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
038    
039            if (var2 < 0.0F)
040            {
041                var2 = 0.0F;
042            }
043    
044            if (var2 > 1.0F)
045            {
046                var2 = 1.0F;
047            }
048    
049            int var3 = super.getBrightnessForRender(par1);
050            int var4 = var3 & 255;
051            int var5 = var3 >> 16 & 255;
052            var4 += (int)(var2 * 15.0F * 16.0F);
053    
054            if (var4 > 240)
055            {
056                var4 = 240;
057            }
058    
059            return var4 | var5 << 16;
060        }
061    
062        /**
063         * Gets how bright this entity is.
064         */
065        public float getBrightness(float par1)
066        {
067            float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
068    
069            if (var2 < 0.0F)
070            {
071                var2 = 0.0F;
072            }
073    
074            if (var2 > 1.0F)
075            {
076                var2 = 1.0F;
077            }
078    
079            float var3 = super.getBrightness(par1);
080            return var3 * var2 + (1.0F - var2);
081        }
082    
083        /**
084         * Called to update the entity's position/logic.
085         */
086        public void onUpdate()
087        {
088            this.prevPosX = this.posX;
089            this.prevPosY = this.posY;
090            this.prevPosZ = this.posZ;
091    
092            if (this.particleAge++ >= this.particleMaxAge)
093            {
094                this.setDead();
095            }
096    
097            this.moveEntity(this.motionX, this.motionY, this.motionZ);
098            this.motionX *= 0.9599999785423279D;
099            this.motionY *= 0.9599999785423279D;
100            this.motionZ *= 0.9599999785423279D;
101    
102            if (this.onGround)
103            {
104                this.motionX *= 0.699999988079071D;
105                this.motionZ *= 0.699999988079071D;
106            }
107        }
108    }