    001    package net.minecraft.src;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005
    006    public class EntityEnderCrystal extends Entity
    007    {
    008        /** Used to create the rotation animation when rendering the crystal. */
    009        public int innerRotation;
    010        public int health;
    011
    012        public EntityEnderCrystal(World par1World)
    013        {
    014            super(par1World);
    015            this.innerRotation = 0;
    016            this.preventEntitySpawning = true;
    017            this.setSize(2.0F, 2.0F);
    018            this.yOffset = this.height / 2.0F;
    019            this.health = 5;
    020            this.innerRotation = this.rand.nextInt(100000);
    021        }
    022
    023        @SideOnly(Side.CLIENT)
    024        public EntityEnderCrystal(World par1World, double par2, double par4, double par6)
    025        {
    026            this(par1World);
    027            this.setPosition(par2, par4, par6);
    028        }
    029
    030        /**
    031         * returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
    032         * prevent them from trampling crops
    033         */
    034        protected boolean canTriggerWalking()
    035        {
    036            return false;
    037        }
    038
    039        protected void entityInit()
    040        {
    041            this.dataWatcher.addObject(8, Integer.valueOf(this.health));
    042        }
    043
    044        /**
    045         * Called to update the entity's position/logic.
    046         */
    047        public void onUpdate()
    048        {
    049            this.prevPosX = this.posX;
    050            this.prevPosY = this.posY;
    051            this.prevPosZ = this.posZ;
    052            ++this.innerRotation;
    053            this.dataWatcher.updateObject(8, Integer.valueOf(this.health));
    054            int var1 = MathHelper.floor_double(this.posX);
    055            int var2 = MathHelper.floor_double(this.posY);
    056            int var3 = MathHelper.floor_double(this.posZ);
    057
    058            if (this.worldObj.getBlockId(var1, var2, var3) != Block.fire.blockID)
    059            {
    060                this.worldObj.setBlockWithNotify(var1, var2, var3, Block.fire.blockID);
    061            }
    062        }
    063
    064        /**
    065         * (abstract) Protected helper method to write subclass entity data to NBT.
    066         */
    067        protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) {}
    068
    069        /**
    070         * (abstract) Protected helper method to read subclass entity data from NBT.
    071         */
    072        protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) {}
    073
    074        @SideOnly(Side.CLIENT)
    075        public float getShadowSize()
    076        {
    077            return 0.0F;
    078        }
    079
    080        /**
    081         * Returns true if other Entities should be prevented from moving through this Entity.
    082         */
    083        public boolean canBeCollidedWith()
    084        {
    085            return true;
    086        }
    087
    088        /**
    089         * Called when the entity is attacked.
    090         */
    091        public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
    092        {
    093            if (!this.isDead && !this.worldObj.isRemote)
    094            {
    095                this.health = 0;
    096
    097                if (this.health <= 0)
    098                {
    099                    this.setDead();
    100
    101                    if (!this.worldObj.isRemote)
    102                    {
    103                        this.worldObj.createExplosion((Entity)null, this.posX, this.posY, this.posZ, 6.0F);
    104                    }
    105                }
    106            }
    107
    108            return true;
    109        }
    110    }