    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 EntityPortalFX extends EntityFX
    008    {
    009        private float portalParticleScale;
    010        private double portalPosX;
    011        private double portalPosY;
    012        private double portalPosZ;
    013
    014        public EntityPortalFX(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.portalPosX = this.posX = par2;
    021            this.portalPosY = this.posY = par4;
    022            this.portalPosZ = this.posZ = par6;
    023            float var14 = this.rand.nextFloat() * 0.6F + 0.4F;
    024            this.portalParticleScale = this.particleScale = this.rand.nextFloat() * 0.2F + 0.5F;
    025            this.particleRed = this.particleGreen = this.particleBlue = 1.0F * var14;
    026            this.particleGreen *= 0.3F;
    027            this.particleRed *= 0.9F;
    028            this.particleMaxAge = (int)(Math.random() * 10.0D) + 40;
    029            this.noClip = true;
    030            this.setParticleTextureIndex((int)(Math.random() * 8.0D));
    031        }
    032
    033        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    034        {
    035            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge;
    036            var8 = 1.0F - var8;
    037            var8 *= var8;
    038            var8 = 1.0F - var8;
    039            this.particleScale = this.portalParticleScale * var8;
    040            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    041        }
    042
    043        public int getBrightnessForRender(float par1)
    044        {
    045            int var2 = super.getBrightnessForRender(par1);
    046            float var3 = (float)this.particleAge / (float)this.particleMaxAge;
    047            var3 *= var3;
    048            var3 *= var3;
    049            int var4 = var2 & 255;
    050            int var5 = var2 >> 16 & 255;
    051            var5 += (int)(var3 * 15.0F * 16.0F);
    052
    053            if (var5 > 240)
    054            {
    055                var5 = 240;
    056            }
    057
    058            return var4 | var5 << 16;
    059        }
    060
    061        /**
    062         * Gets how bright this entity is.
    063         */
    064        public float getBrightness(float par1)
    065        {
    066            float var2 = super.getBrightness(par1);
    067            float var3 = (float)this.particleAge / (float)this.particleMaxAge;
    068            var3 = var3 * var3 * var3 * var3;
    069            return var2 * (1.0F - var3) + var3;
    070        }
    071
    072        /**
    073         * Called to update the entity's position/logic.
    074         */
    075        public void onUpdate()
    076        {
    077            this.prevPosX = this.posX;
    078            this.prevPosY = this.posY;
    079            this.prevPosZ = this.posZ;
    080            float var1 = (float)this.particleAge / (float)this.particleMaxAge;
    081            float var2 = var1;
    082            var1 = -var1 + var1 * var1 * 2.0F;
    083            var1 = 1.0F - var1;
    084            this.posX = this.portalPosX + this.motionX * (double)var1;
    085            this.posY = this.portalPosY + this.motionY * (double)var1 + (double)(1.0F - var2);
    086            this.posZ = this.portalPosZ + this.motionZ * (double)var1;
    087
    088            if (this.particleAge++ >= this.particleMaxAge)
    089            {
    090                this.setDead();
    091            }
    092        }
    093    }