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 EntityLavaFX extends EntityFX
008    {
009        private float lavaParticleScale;
010    
011        public EntityLavaFX(World par1World, double par2, double par4, double par6)
012        {
013            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
014            this.motionX *= 0.800000011920929D;
015            this.motionY *= 0.800000011920929D;
016            this.motionZ *= 0.800000011920929D;
017            this.motionY = (double)(this.rand.nextFloat() * 0.4F + 0.05F);
018            this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
019            this.particleScale *= this.rand.nextFloat() * 2.0F + 0.2F;
020            this.lavaParticleScale = this.particleScale;
021            this.particleMaxAge = (int)(16.0D / (Math.random() * 0.8D + 0.2D));
022            this.noClip = false;
023            this.setParticleTextureIndex(49);
024        }
025    
026        public int getBrightnessForRender(float par1)
027        {
028            float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
029    
030            if (var2 < 0.0F)
031            {
032                var2 = 0.0F;
033            }
034    
035            if (var2 > 1.0F)
036            {
037                var2 = 1.0F;
038            }
039    
040            int var3 = super.getBrightnessForRender(par1);
041            short var4 = 240;
042            int var5 = var3 >> 16 & 255;
043            return var4 | var5 << 16;
044        }
045    
046        /**
047         * Gets how bright this entity is.
048         */
049        public float getBrightness(float par1)
050        {
051            return 1.0F;
052        }
053    
054        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
055        {
056            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
057            this.particleScale = this.lavaParticleScale * (1.0F - var8 * var8);
058            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
059        }
060    
061        /**
062         * Called to update the entity's position/logic.
063         */
064        public void onUpdate()
065        {
066            this.prevPosX = this.posX;
067            this.prevPosY = this.posY;
068            this.prevPosZ = this.posZ;
069    
070            if (this.particleAge++ >= this.particleMaxAge)
071            {
072                this.setDead();
073            }
074    
075            float var1 = (float)this.particleAge / (float)this.particleMaxAge;
076    
077            if (this.rand.nextFloat() > var1)
078            {
079                this.worldObj.spawnParticle("smoke", this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ);
080            }
081    
082            this.motionY -= 0.03D;
083            this.moveEntity(this.motionX, this.motionY, this.motionZ);
084            this.motionX *= 0.9990000128746033D;
085            this.motionY *= 0.9990000128746033D;
086            this.motionZ *= 0.9990000128746033D;
087    
088            if (this.onGround)
089            {
090                this.motionX *= 0.699999988079071D;
091                this.motionZ *= 0.699999988079071D;
092            }
093        }
094    }