    001    package net.minecraft.client.particle;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import net.minecraft.client.renderer.Tessellator;
    006    import net.minecraft.world.World;
    007
    008    @SideOnly(Side.CLIENT)
    009    public class EntityLavaFX extends EntityFX
    010    {
    011        private float lavaParticleScale;
    012
    013        public EntityLavaFX(World par1World, double par2, double par4, double par6)
    014        {
    015            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
    016            this.motionX *= 0.800000011920929D;
    017            this.motionY *= 0.800000011920929D;
    018            this.motionZ *= 0.800000011920929D;
    019            this.motionY = (double)(this.rand.nextFloat() * 0.4F + 0.05F);
    020            this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
    021            this.particleScale *= this.rand.nextFloat() * 2.0F + 0.2F;
    022            this.lavaParticleScale = this.particleScale;
    023            this.particleMaxAge = (int)(16.0D / (Math.random() * 0.8D + 0.2D));
    024            this.noClip = false;
    025            this.setParticleTextureIndex(49);
    026        }
    027
    028        public int getBrightnessForRender(float par1)
    029        {
    030            float var2 = ((float)this.particleAge + par1) / (float)this.particleMaxAge;
    031
    032            if (var2 < 0.0F)
    033            {
    034                var2 = 0.0F;
    035            }
    036
    037            if (var2 > 1.0F)
    038            {
    039                var2 = 1.0F;
    040            }
    041
    042            int var3 = super.getBrightnessForRender(par1);
    043            short var4 = 240;
    044            int var5 = var3 >> 16 & 255;
    045            return var4 | var5 << 16;
    046        }
    047
    048        /**
    049         * Gets how bright this entity is.
    050         */
    051        public float getBrightness(float par1)
    052        {
    053            return 1.0F;
    054        }
    055
    056        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    057        {
    058            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
    059            this.particleScale = this.lavaParticleScale * (1.0F - var8 * var8);
    060            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    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
    072            if (this.particleAge++ >= this.particleMaxAge)
    073            {
    074                this.setDead();
    075            }
    076
    077            float var1 = (float)this.particleAge / (float)this.particleMaxAge;
    078
    079            if (this.rand.nextFloat() > var1)
    080            {
    081                this.worldObj.spawnParticle("smoke", this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ);
    082            }
    083
    084            this.motionY -= 0.03D;
    085            this.moveEntity(this.motionX, this.motionY, this.motionZ);
    086            this.motionX *= 0.9990000128746033D;
    087            this.motionY *= 0.9990000128746033D;
    088            this.motionZ *= 0.9990000128746033D;
    089
    090            if (this.onGround)
    091            {
    092                this.motionX *= 0.699999988079071D;
    093                this.motionZ *= 0.699999988079071D;
    094            }
    095        }
    096    }