    001package net.minecraft.entity.boss;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import java.util.Iterator;
    006import java.util.List;
    007import net.minecraft.block.Block;
    008import net.minecraft.block.BlockEndPortal;
    009import net.minecraft.entity.Entity;
    010import net.minecraft.entity.EntityLiving;
    011import net.minecraft.entity.IEntityMultiPart;
    012import net.minecraft.entity.item.EntityEnderCrystal;
    013import net.minecraft.entity.item.EntityXPOrb;
    014import net.minecraft.entity.player.EntityPlayer;
    015import net.minecraft.util.AxisAlignedBB;
    016import net.minecraft.util.DamageSource;
    017import net.minecraft.util.MathHelper;
    018import net.minecraft.util.Vec3;
    019import net.minecraft.world.World;
    020
    021public class EntityDragon extends EntityLiving implements IBossDisplayData, IEntityMultiPart
    022{
    023    public double targetX;
    024    public double targetY;
    025    public double targetZ;
    026
    027    /**
    028     * Ring buffer array for the last 64 Y-positions and yaw rotations. Used to calculate offsets for the animations.
    029     */
    030    public double[][] ringBuffer = new double[64][3];
    031
    032    /**
    033     * Index into the ring buffer. Incremented once per tick and restarts at 0 once it reaches the end of the buffer.
    034     */
    035    public int ringBufferIndex = -1;
    036
    037    /** An array containing all body parts of this dragon */
    038    public EntityDragonPart[] dragonPartArray;
    039
    040    /** The head bounding box of a dragon */
    041    public EntityDragonPart dragonPartHead;
    042
    043    /** The body bounding box of a dragon */
    044    public EntityDragonPart dragonPartBody;
    045    public EntityDragonPart dragonPartTail1;
    046    public EntityDragonPart dragonPartTail2;
    047    public EntityDragonPart dragonPartTail3;
    048    public EntityDragonPart dragonPartWing1;
    049    public EntityDragonPart dragonPartWing2;
    050
    051    /** Animation time at previous tick. */
    052    public float prevAnimTime = 0.0F;
    053
    054    /**
    055     * Animation time, used to control the speed of the animation cycles (wings flapping, jaw opening, etc.)
    056     */
    057    public float animTime = 0.0F;
    058
    059    /** Force selecting a new flight target at next tick if set to true. */
    060    public boolean forceNewTarget = false;
    061
    062    /**
    063     * Activated if the dragon is flying though obsidian, white stone or bedrock. Slows movement and animation speed.
    064     */
    065    public boolean slowed = false;
    066    private Entity target;
    067    public int deathTicks = 0;
    068
    069    /** The current endercrystal that is healing this dragon */
    070    public EntityEnderCrystal healingEnderCrystal = null;
    071
    072    public EntityDragon(World par1World)
    073    {
    074        super(par1World);
    075        this.dragonPartArray = new EntityDragonPart[] {this.dragonPartHead = new EntityDragonPart(this, "head", 6.0F, 6.0F), this.dragonPartBody = new EntityDragonPart(this, "body", 8.0F, 8.0F), this.dragonPartTail1 = new EntityDragonPart(this, "tail", 4.0F, 4.0F), this.dragonPartTail2 = new EntityDragonPart(this, "tail", 4.0F, 4.0F), this.dragonPartTail3 = new EntityDragonPart(this, "tail", 4.0F, 4.0F), this.dragonPartWing1 = new EntityDragonPart(this, "wing", 4.0F, 4.0F), this.dragonPartWing2 = new EntityDragonPart(this, "wing", 4.0F, 4.0F)};
    076        this.setEntityHealth(this.getMaxHealth());
    077        this.texture = "/mob/enderdragon/ender.png";
    078        this.setSize(16.0F, 8.0F);
    079        this.noClip = true;
    080        this.isImmuneToFire = true;
    081        this.targetY = 100.0D;
    082        this.ignoreFrustumCheck = true;
    083    }
    084
    085    public int getMaxHealth()
    086    {
    087        return 200;
    088    }
    089
    090    protected void entityInit()
    091    {
    092        super.entityInit();
    093        this.dataWatcher.addObject(16, new Integer(this.getMaxHealth()));
    094    }
    095
    096    /**
    097     * Returns a double[3] array with movement offsets, used to calculate trailing tail/neck positions. [0] = yaw
    098     * offset, [1] = y offset, [2] = unused, always 0. Parameters: buffer index offset, partial ticks.
    099     */
    100    public double[] getMovementOffsets(int par1, float par2)
    101    {
    102        if (this.health <= 0)
    103        {
    104            par2 = 0.0F;
    105        }
    106
    107        par2 = 1.0F - par2;
    108        int var3 = this.ringBufferIndex - par1 * 1 & 63;
    109        int var4 = this.ringBufferIndex - par1 * 1 - 1 & 63;
    110        double[] var5 = new double[3];
    111        double var6 = this.ringBuffer[var3][0];
    112        double var8 = MathHelper.wrapAngleTo180_double(this.ringBuffer[var4][0] - var6);
    113        var5[0] = var6 + var8 * (double)par2;
    114        var6 = this.ringBuffer[var3][1];
    115        var8 = this.ringBuffer[var4][1] - var6;
    116        var5[1] = var6 + var8 * (double)par2;
    117        var5[2] = this.ringBuffer[var3][2] + (this.ringBuffer[var4][2] - this.ringBuffer[var3][2]) * (double)par2;
    118        return var5;
    119    }
    120
    121    /**
    122     * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
    123     * use this to react to sunlight and start to burn.
    124     */
    125    public void onLivingUpdate()
    126    {
    127        float var1;
    128        float var2;
    129
    130        if (!this.worldObj.isRemote)
    131        {
    132            this.dataWatcher.updateObject(16, Integer.valueOf(this.health));
    133        }
    134        else
    135        {
    136            var1 = MathHelper.cos(this.animTime * (float)Math.PI * 2.0F);
    137            var2 = MathHelper.cos(this.prevAnimTime * (float)Math.PI * 2.0F);
    138
    139            if (var2 <= -0.3F && var1 >= -0.3F)
    140            {
    141                this.worldObj.playSound(this.posX, this.posY, this.posZ, "mob.enderdragon.wings", 5.0F, 0.8F + this.rand.nextFloat() * 0.3F, false);
    142            }
    143        }
    144
    145        this.prevAnimTime = this.animTime;
    146        float var3;
    147
    148        if (this.health <= 0)
    149        {
    150            var1 = (this.rand.nextFloat() - 0.5F) * 8.0F;
    151            var2 = (this.rand.nextFloat() - 0.5F) * 4.0F;
    152            var3 = (this.rand.nextFloat() - 0.5F) * 8.0F;
    153            this.worldObj.spawnParticle("largeexplode", this.posX + (double)var1, this.posY + 2.0D + (double)var2, this.posZ + (double)var3, 0.0D, 0.0D, 0.0D);
    154        }
    155        else
    156        {
    157            this.updateDragonEnderCrystal();
    158            var1 = 0.2F / (MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ) * 10.0F + 1.0F);
    159            var1 *= (float)Math.pow(2.0D, this.motionY);
    160
    161            if (this.slowed)
    162            {
    163                this.animTime += var1 * 0.5F;
    164            }
    165            else
    166            {
    167                this.animTime += var1;
    168            }
    169
    170            this.rotationYaw = MathHelper.wrapAngleTo180_float(this.rotationYaw);
    171
    172            if (this.ringBufferIndex < 0)
    173            {
    174                for (int var25 = 0; var25 < this.ringBuffer.length; ++var25)
    175                {
    176                    this.ringBuffer[var25][0] = (double)this.rotationYaw;
    177                    this.ringBuffer[var25][1] = this.posY;
    178                }
    179            }
    180
    181            if (++this.ringBufferIndex == this.ringBuffer.length)
    182            {
    183                this.ringBufferIndex = 0;
    184            }
    185
    186            this.ringBuffer[this.ringBufferIndex][0] = (double)this.rotationYaw;
    187            this.ringBuffer[this.ringBufferIndex][1] = this.posY;
    188            double var4;
    189            double var6;
    190            double var8;
    191            double var26;
    192            float var33;
    193
    194            if (this.worldObj.isRemote)
    195            {
    196                if (this.newPosRotationIncrements > 0)
    197                {
    198                    var26 = this.posX + (this.newPosX - this.posX) / (double)this.newPosRotationIncrements;
    199                    var4 = this.posY + (this.newPosY - this.posY) / (double)this.newPosRotationIncrements;
    200                    var6 = this.posZ + (this.newPosZ - this.posZ) / (double)this.newPosRotationIncrements;
    201                    var8 = MathHelper.wrapAngleTo180_double(this.newRotationYaw - (double)this.rotationYaw);
    202                    this.rotationYaw = (float)((double)this.rotationYaw + var8 / (double)this.newPosRotationIncrements);
    203                    this.rotationPitch = (float)((double)this.rotationPitch + (this.newRotationPitch - (double)this.rotationPitch) / (double)this.newPosRotationIncrements);
    204                    --this.newPosRotationIncrements;
    205                    this.setPosition(var26, var4, var6);
    206                    this.setRotation(this.rotationYaw, this.rotationPitch);
    207                }
    208            }
    209            else
    210            {
    211                var26 = this.targetX - this.posX;
    212                var4 = this.targetY - this.posY;
    213                var6 = this.targetZ - this.posZ;
    214                var8 = var26 * var26 + var4 * var4 + var6 * var6;
    215
    216                if (this.target != null)
    217                {
    218                    this.targetX = this.target.posX;
    219                    this.targetZ = this.target.posZ;
    220                    double var10 = this.targetX - this.posX;
    221                    double var12 = this.targetZ - this.posZ;
    222                    double var14 = Math.sqrt(var10 * var10 + var12 * var12);
    223                    double var16 = 0.4000000059604645D + var14 / 80.0D - 1.0D;
    224
    225                    if (var16 > 10.0D)
    226                    {
    227                        var16 = 10.0D;
    228                    }
    229
    230                    this.targetY = this.target.boundingBox.minY + var16;
    231                }
    232                else
    233                {
    234                    this.targetX += this.rand.nextGaussian() * 2.0D;
    235                    this.targetZ += this.rand.nextGaussian() * 2.0D;
    236                }
    237
    238                if (this.forceNewTarget || var8 < 100.0D || var8 > 22500.0D || this.isCollidedHorizontally || this.isCollidedVertically)
    239                {
    240                    this.setNewTarget();
    241                }
    242
    243                var4 /= (double)MathHelper.sqrt_double(var26 * var26 + var6 * var6);
    244                var33 = 0.6F;
    245
    246                if (var4 < (double)(-var33))
    247                {
    248                    var4 = (double)(-var33);
    249                }
    250
    251                if (var4 > (double)var33)
    252                {
    253                    var4 = (double)var33;
    254                }
    255
    256                this.motionY += var4 * 0.10000000149011612D;
    257                this.rotationYaw = MathHelper.wrapAngleTo180_float(this.rotationYaw);
    258                double var11 = 180.0D - Math.atan2(var26, var6) * 180.0D / Math.PI;
    259                double var13 = MathHelper.wrapAngleTo180_double(var11 - (double)this.rotationYaw);
    260
    261                if (var13 > 50.0D)
    262                {
    263                    var13 = 50.0D;
    264                }
    265
    266                if (var13 < -50.0D)
    267                {
    268                    var13 = -50.0D;
    269                }
    270
    271                Vec3 var15 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.targetX - this.posX, this.targetY - this.posY, this.targetZ - this.posZ).normalize();
    272                Vec3 var40 = this.worldObj.getWorldVec3Pool().getVecFromPool((double)MathHelper.sin(this.rotationYaw * (float)Math.PI / 180.0F), this.motionY, (double)(-MathHelper.cos(this.rotationYaw * (float)Math.PI / 180.0F))).normalize();
    273                float var17 = (float)(var40.dotProduct(var15) + 0.5D) / 1.5F;
    274
    275                if (var17 < 0.0F)
    276                {
    277                    var17 = 0.0F;
    278                }
    279
    280                this.randomYawVelocity *= 0.8F;
    281                float var18 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ) * 1.0F + 1.0F;
    282                double var19 = Math.sqrt(this.motionX * this.motionX + this.motionZ * this.motionZ) * 1.0D + 1.0D;
    283
    284                if (var19 > 40.0D)
    285                {
    286                    var19 = 40.0D;
    287                }
    288
    289                this.randomYawVelocity = (float)((double)this.randomYawVelocity + var13 * (0.699999988079071D / var19 / (double)var18));
    290                this.rotationYaw += this.randomYawVelocity * 0.1F;
    291                float var21 = (float)(2.0D / (var19 + 1.0D));
    292                float var22 = 0.06F;
    293                this.moveFlying(0.0F, -1.0F, var22 * (var17 * var21 + (1.0F - var21)));
    294
    295                if (this.slowed)
    296                {
    297                    this.moveEntity(this.motionX * 0.800000011920929D, this.motionY * 0.800000011920929D, this.motionZ * 0.800000011920929D);
    298                }
    299                else
    300                {
    301                    this.moveEntity(this.motionX, this.motionY, this.motionZ);
    302                }
    303
    304                Vec3 var23 = this.worldObj.getWorldVec3Pool().getVecFromPool(this.motionX, this.motionY, this.motionZ).normalize();
    305                float var24 = (float)(var23.dotProduct(var40) + 1.0D) / 2.0F;
    306                var24 = 0.8F + 0.15F * var24;
    307                this.motionX *= (double)var24;
    308                this.motionZ *= (double)var24;
    309                this.motionY *= 0.9100000262260437D;
    310            }
    311
    312            this.renderYawOffset = this.rotationYaw;
    313            this.dragonPartHead.width = this.dragonPartHead.height = 3.0F;
    314            this.dragonPartTail1.width = this.dragonPartTail1.height = 2.0F;
    315            this.dragonPartTail2.width = this.dragonPartTail2.height = 2.0F;
    316            this.dragonPartTail3.width = this.dragonPartTail3.height = 2.0F;
    317            this.dragonPartBody.height = 3.0F;
    318            this.dragonPartBody.width = 5.0F;
    319            this.dragonPartWing1.height = 2.0F;
    320            this.dragonPartWing1.width = 4.0F;
    321            this.dragonPartWing2.height = 3.0F;
    322            this.dragonPartWing2.width = 4.0F;
    323            var2 = (float)(this.getMovementOffsets(5, 1.0F)[1] - this.getMovementOffsets(10, 1.0F)[1]) * 10.0F / 180.0F * (float)Math.PI;
    324            var3 = MathHelper.cos(var2);
    325            float var28 = -MathHelper.sin(var2);
    326            float var5 = this.rotationYaw * (float)Math.PI / 180.0F;
    327            float var27 = MathHelper.sin(var5);
    328            float var7 = MathHelper.cos(var5);
    329            this.dragonPartBody.onUpdate();
    330            this.dragonPartBody.setLocationAndAngles(this.posX + (double)(var27 * 0.5F), this.posY, this.posZ - (double)(var7 * 0.5F), 0.0F, 0.0F);
    331            this.dragonPartWing1.onUpdate();
    332            this.dragonPartWing1.setLocationAndAngles(this.posX + (double)(var7 * 4.5F), this.posY + 2.0D, this.posZ + (double)(var27 * 4.5F), 0.0F, 0.0F);
    333            this.dragonPartWing2.onUpdate();
    334            this.dragonPartWing2.setLocationAndAngles(this.posX - (double)(var7 * 4.5F), this.posY + 2.0D, this.posZ - (double)(var27 * 4.5F), 0.0F, 0.0F);
    335
    336            if (!this.worldObj.isRemote && this.hurtTime == 0)
    337            {
    338                this.collideWithEntities(this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.dragonPartWing1.boundingBox.expand(4.0D, 2.0D, 4.0D).offset(0.0D, -2.0D, 0.0D)));
    339                this.collideWithEntities(this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.dragonPartWing2.boundingBox.expand(4.0D, 2.0D, 4.0D).offset(0.0D, -2.0D, 0.0D)));
    340                this.attackEntitiesInList(this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.dragonPartHead.boundingBox.expand(1.0D, 1.0D, 1.0D)));
    341            }
    342
    343            double[] var29 = this.getMovementOffsets(5, 1.0F);
    344            double[] var9 = this.getMovementOffsets(0, 1.0F);
    345            var33 = MathHelper.sin(this.rotationYaw * (float)Math.PI / 180.0F - this.randomYawVelocity * 0.01F);
    346            float var32 = MathHelper.cos(this.rotationYaw * (float)Math.PI / 180.0F - this.randomYawVelocity * 0.01F);
    347            this.dragonPartHead.onUpdate();
    348            this.dragonPartHead.setLocationAndAngles(this.posX + (double)(var33 * 5.5F * var3), this.posY + (var9[1] - var29[1]) * 1.0D + (double)(var28 * 5.5F), this.posZ - (double)(var32 * 5.5F * var3), 0.0F, 0.0F);
    349
    350            for (int var30 = 0; var30 < 3; ++var30)
    351            {
    352                EntityDragonPart var31 = null;
    353
    354                if (var30 == 0)
    355                {
    356                    var31 = this.dragonPartTail1;
    357                }
    358
    359                if (var30 == 1)
    360                {
    361                    var31 = this.dragonPartTail2;
    362                }
    363
    364                if (var30 == 2)
    365                {
    366                    var31 = this.dragonPartTail3;
    367                }
    368
    369                double[] var35 = this.getMovementOffsets(12 + var30 * 2, 1.0F);
    370                float var34 = this.rotationYaw * (float)Math.PI / 180.0F + this.simplifyAngle(var35[0] - var29[0]) * (float)Math.PI / 180.0F * 1.0F;
    371                float var38 = MathHelper.sin(var34);
    372                float var37 = MathHelper.cos(var34);
    373                float var36 = 1.5F;
    374                float var39 = (float)(var30 + 1) * 2.0F;
    375                var31.onUpdate();
    376                var31.setLocationAndAngles(this.posX - (double)((var27 * var36 + var38 * var39) * var3), this.posY + (var35[1] - var29[1]) * 1.0D - (double)((var39 + var36) * var28) + 1.5D, this.posZ + (double)((var7 * var36 + var37 * var39) * var3), 0.0F, 0.0F);
    377            }
    378
    379            if (!this.worldObj.isRemote)
    380            {
    381                this.slowed = this.destroyBlocksInAABB(this.dragonPartHead.boundingBox) | this.destroyBlocksInAABB(this.dragonPartBody.boundingBox);
    382            }
    383        }
    384    }
    385
    386    /**
    387     * Updates the state of the enderdragon's current endercrystal.
    388     */
    389    private void updateDragonEnderCrystal()
    390    {
    391        if (this.healingEnderCrystal != null)
    392        {
    393            if (this.healingEnderCrystal.isDead)
    394            {
    395                if (!this.worldObj.isRemote)
    396                {
    397                    this.attackEntityFromPart(this.dragonPartHead, DamageSource.explosion, 10);
    398                }
    399
    400                this.healingEnderCrystal = null;
    401            }
    402            else if (this.ticksExisted % 10 == 0 && this.health < this.getMaxHealth())
    403            {
    404                ++this.health;
    405            }
    406        }
    407
    408        if (this.rand.nextInt(10) == 0)
    409        {
    410            float var1 = 32.0F;
    411            List var2 = this.worldObj.getEntitiesWithinAABB(EntityEnderCrystal.class, this.boundingBox.expand((double)var1, (double)var1, (double)var1));
    412            EntityEnderCrystal var3 = null;
    413            double var4 = Double.MAX_VALUE;
    414            Iterator var6 = var2.iterator();
    415
    416            while (var6.hasNext())
    417            {
    418                EntityEnderCrystal var7 = (EntityEnderCrystal)var6.next();
    419                double var8 = var7.getDistanceSqToEntity(this);
    420
    421                if (var8 < var4)
    422                {
    423                    var4 = var8;
    424                    var3 = var7;
    425                }
    426            }
    427
    428            this.healingEnderCrystal = var3;
    429        }
    430    }
    431
    432    /**
    433     * Pushes all entities inside the list away from the enderdragon.
    434     */
    435    private void collideWithEntities(List par1List)
    436    {
    437        double var2 = (this.dragonPartBody.boundingBox.minX + this.dragonPartBody.boundingBox.maxX) / 2.0D;
    438        double var4 = (this.dragonPartBody.boundingBox.minZ + this.dragonPartBody.boundingBox.maxZ) / 2.0D;
    439        Iterator var6 = par1List.iterator();
    440
    441        while (var6.hasNext())
    442        {
    443            Entity var7 = (Entity)var6.next();
    444
    445            if (var7 instanceof EntityLiving)
    446            {
    447                double var8 = var7.posX - var2;
    448                double var10 = var7.posZ - var4;
    449                double var12 = var8 * var8 + var10 * var10;
    450                var7.addVelocity(var8 / var12 * 4.0D, 0.20000000298023224D, var10 / var12 * 4.0D);
    451            }
    452        }
    453    }
    454
    455    /**
    456     * Attacks all entities inside this list, dealing 5 hearts of damage.
    457     */
    458    private void attackEntitiesInList(List par1List)
    459    {
    460        for (int var2 = 0; var2 < par1List.size(); ++var2)
    461        {
    462            Entity var3 = (Entity)par1List.get(var2);
    463
    464            if (var3 instanceof EntityLiving)
    465            {
    466                var3.attackEntityFrom(DamageSource.causeMobDamage(this), 10);
    467            }
    468        }
    469    }
    470
    471    /**
    472     * Sets a new target for the flight AI. It can be a random coordinate or a nearby player.
    473     */
    474    private void setNewTarget()
    475    {
    476        this.forceNewTarget = false;
    477
    478        if (this.rand.nextInt(2) == 0 && !this.worldObj.playerEntities.isEmpty())
    479        {
    480            this.target = (Entity)this.worldObj.playerEntities.get(this.rand.nextInt(this.worldObj.playerEntities.size()));
    481        }
    482        else
    483        {
    484            boolean var1 = false;
    485
    486            do
    487            {
    488                this.targetX = 0.0D;
    489                this.targetY = (double)(70.0F + this.rand.nextFloat() * 50.0F);
    490                this.targetZ = 0.0D;
    491                this.targetX += (double)(this.rand.nextFloat() * 120.0F - 60.0F);
    492                this.targetZ += (double)(this.rand.nextFloat() * 120.0F - 60.0F);
    493                double var2 = this.posX - this.targetX;
    494                double var4 = this.posY - this.targetY;
    495                double var6 = this.posZ - this.targetZ;
    496                var1 = var2 * var2 + var4 * var4 + var6 * var6 > 100.0D;
    497            }
    498            while (!var1);
    499
    500            this.target = null;
    501        }
    502    }
    503
    504    /**
    505     * Simplifies the value of a number by adding/subtracting 180 to the point that the number is between -180 and 180.
    506     */
    507    private float simplifyAngle(double par1)
    508    {
    509        return (float)MathHelper.wrapAngleTo180_double(par1);
    510    }
    511
    512    /**
    513     * Destroys all blocks that aren't associated with 'The End' inside the given bounding box.
    514     */
    515    private boolean destroyBlocksInAABB(AxisAlignedBB par1AxisAlignedBB)
    516    {
    517        int var2 = MathHelper.floor_double(par1AxisAlignedBB.minX);
    518        int var3 = MathHelper.floor_double(par1AxisAlignedBB.minY);
    519        int var4 = MathHelper.floor_double(par1AxisAlignedBB.minZ);
    520        int var5 = MathHelper.floor_double(par1AxisAlignedBB.maxX);
    521        int var6 = MathHelper.floor_double(par1AxisAlignedBB.maxY);
    522        int var7 = MathHelper.floor_double(par1AxisAlignedBB.maxZ);
    523        boolean var8 = false;
    524        boolean var9 = false;
    525
    526        for (int var10 = var2; var10 <= var5; ++var10)
    527        {
    528            for (int var11 = var3; var11 <= var6; ++var11)
    529            {
    530                for (int var12 = var4; var12 <= var7; ++var12)
    531                {
    532                    int var13 = this.worldObj.getBlockId(var10, var11, var12);
    533                    Block block = Block.blocksList[var13];
    534
    535                    if (block != null)
    536                    {
    537                        if (block.canDragonDestroy(worldObj, var10, var11, var12))
    538                        {
    539                            var9 = true;
    540                            this.worldObj.setBlockWithNotify(var10, var11, var12, 0);
    541                        }
    542                        else
    543                        {
    544                            var8 = true;
    545                        }
    546                    }
    547                }
    548            }
    549        }
    550
    551        if (var9)
    552        {
    553            double var16 = par1AxisAlignedBB.minX + (par1AxisAlignedBB.maxX - par1AxisAlignedBB.minX) * (double)this.rand.nextFloat();
    554            double var17 = par1AxisAlignedBB.minY + (par1AxisAlignedBB.maxY - par1AxisAlignedBB.minY) * (double)this.rand.nextFloat();
    555            double var14 = par1AxisAlignedBB.minZ + (par1AxisAlignedBB.maxZ - par1AxisAlignedBB.minZ) * (double)this.rand.nextFloat();
    556            this.worldObj.spawnParticle("largeexplode", var16, var17, var14, 0.0D, 0.0D, 0.0D);
    557        }
    558
    559        return var8;
    560    }
    561
    562    public boolean attackEntityFromPart(EntityDragonPart par1EntityDragonPart, DamageSource par2DamageSource, int par3)
    563    {
    564        if (par1EntityDragonPart != this.dragonPartHead)
    565        {
    566            par3 = par3 / 4 + 1;
    567        }
    568
    569        float var4 = this.rotationYaw * (float)Math.PI / 180.0F;
    570        float var5 = MathHelper.sin(var4);
    571        float var6 = MathHelper.cos(var4);
    572        this.targetX = this.posX + (double)(var5 * 5.0F) + (double)((this.rand.nextFloat() - 0.5F) * 2.0F);
    573        this.targetY = this.posY + (double)(this.rand.nextFloat() * 3.0F) + 1.0D;
    574        this.targetZ = this.posZ - (double)(var6 * 5.0F) + (double)((this.rand.nextFloat() - 0.5F) * 2.0F);
    575        this.target = null;
    576
    577        if (par2DamageSource.getEntity() instanceof EntityPlayer || par2DamageSource == DamageSource.explosion)
    578        {
    579            this.func_82195_e(par2DamageSource, par3);
    580        }
    581
    582        return true;
    583    }
    584
    585    /**
    586     * Called when the entity is attacked.
    587     */
    588    public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
    589    {
    590        return false;
    591    }
    592
    593    protected boolean func_82195_e(DamageSource par1DamageSource, int par2)
    594    {
    595        return super.attackEntityFrom(par1DamageSource, par2);
    596    }
    597
    598    /**
    599     * handles entity death timer, experience orb and particle creation
    600     */
    601    protected void onDeathUpdate()
    602    {
    603        ++this.deathTicks;
    604
    605        if (this.deathTicks >= 180 && this.deathTicks <= 200)
    606        {
    607            float var1 = (this.rand.nextFloat() - 0.5F) * 8.0F;
    608            float var2 = (this.rand.nextFloat() - 0.5F) * 4.0F;
    609            float var3 = (this.rand.nextFloat() - 0.5F) * 8.0F;
    610            this.worldObj.spawnParticle("hugeexplosion", this.posX + (double)var1, this.posY + 2.0D + (double)var2, this.posZ + (double)var3, 0.0D, 0.0D, 0.0D);
    611        }
    612
    613        int var4;
    614        int var5;
    615
    616        if (!this.worldObj.isRemote)
    617        {
    618            if (this.deathTicks > 150 && this.deathTicks % 5 == 0)
    619            {
    620                var4 = 1000;
    621
    622                while (var4 > 0)
    623                {
    624                    var5 = EntityXPOrb.getXPSplit(var4);
    625                    var4 -= var5;
    626                    this.worldObj.spawnEntityInWorld(new EntityXPOrb(this.worldObj, this.posX, this.posY, this.posZ, var5));
    627                }
    628            }
    629
    630            if (this.deathTicks == 1)
    631            {
    632                this.worldObj.func_82739_e(1018, (int)this.posX, (int)this.posY, (int)this.posZ, 0);
    633            }
    634        }
    635
    636        this.moveEntity(0.0D, 0.10000000149011612D, 0.0D);
    637        this.renderYawOffset = this.rotationYaw += 20.0F;
    638
    639        if (this.deathTicks == 200 && !this.worldObj.isRemote)
    640        {
    641            var4 = 2000;
    642
    643            while (var4 > 0)
    644            {
    645                var5 = EntityXPOrb.getXPSplit(var4);
    646                var4 -= var5;
    647                this.worldObj.spawnEntityInWorld(new EntityXPOrb(this.worldObj, this.posX, this.posY, this.posZ, var5));
    648            }
    649
    650            this.createEnderPortal(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posZ));
    651            this.setDead();
    652        }
    653    }
    654
    655    /**
    656     * Creates the ender portal leading back to the normal world after defeating the enderdragon.
    657     */
    658    private void createEnderPortal(int par1, int par2)
    659    {
    660        byte var3 = 64;
    661        BlockEndPortal.bossDefeated = true;
    662        byte var4 = 4;
    663
    664        for (int var5 = var3 - 1; var5 <= var3 + 32; ++var5)
    665        {
    666            for (int var6 = par1 - var4; var6 <= par1 + var4; ++var6)
    667            {
    668                for (int var7 = par2 - var4; var7 <= par2 + var4; ++var7)
    669                {
    670                    double var8 = (double)(var6 - par1);
    671                    double var10 = (double)(var7 - par2);
    672                    double var12 = var8 * var8 + var10 * var10;
    673
    674                    if (var12 <= ((double)var4 - 0.5D) * ((double)var4 - 0.5D))
    675                    {
    676                        if (var5 < var3)
    677                        {
    678                            if (var12 <= ((double)(var4 - 1) - 0.5D) * ((double)(var4 - 1) - 0.5D))
    679                            {
    680                                this.worldObj.setBlockWithNotify(var6, var5, var7, Block.bedrock.blockID);
    681                            }
    682                        }
    683                        else if (var5 > var3)
    684                        {
    685                            this.worldObj.setBlockWithNotify(var6, var5, var7, 0);
    686                        }
    687                        else if (var12 > ((double)(var4 - 1) - 0.5D) * ((double)(var4 - 1) - 0.5D))
    688                        {
    689                            this.worldObj.setBlockWithNotify(var6, var5, var7, Block.bedrock.blockID);
    690                        }
    691                        else
    692                        {
    693                            this.worldObj.setBlockWithNotify(var6, var5, var7, Block.endPortal.blockID);
    694                        }
    695                    }
    696                }
    697            }
    698        }
    699
    700        this.worldObj.setBlockWithNotify(par1, var3 + 0, par2, Block.bedrock.blockID);
    701        this.worldObj.setBlockWithNotify(par1, var3 + 1, par2, Block.bedrock.blockID);
    702        this.worldObj.setBlockWithNotify(par1, var3 + 2, par2, Block.bedrock.blockID);
    703        this.worldObj.setBlockWithNotify(par1 - 1, var3 + 2, par2, Block.torchWood.blockID);
    704        this.worldObj.setBlockWithNotify(par1 + 1, var3 + 2, par2, Block.torchWood.blockID);
    705        this.worldObj.setBlockWithNotify(par1, var3 + 2, par2 - 1, Block.torchWood.blockID);
    706        this.worldObj.setBlockWithNotify(par1, var3 + 2, par2 + 1, Block.torchWood.blockID);
    707        this.worldObj.setBlockWithNotify(par1, var3 + 3, par2, Block.bedrock.blockID);
    708        this.worldObj.setBlockWithNotify(par1, var3 + 4, par2, Block.dragonEgg.blockID);
    709        BlockEndPortal.bossDefeated = false;
    710    }
    711
    712    /**
    713     * Makes the entity despawn if requirements are reached
    714     */
    715    protected void despawnEntity() {}
    716
    717    /**
    718     * Return the Entity parts making up this Entity (currently only for dragons)
    719     */
    720    public Entity[] getParts()
    721    {
    722        return this.dragonPartArray;
    723    }
    724
    725    /**
    726     * Returns true if other Entities should be prevented from moving through this Entity.
    727     */
    728    public boolean canBeCollidedWith()
    729    {
    730        return false;
    731    }
    732
    733    @SideOnly(Side.CLIENT)
    734
    735    /**
    736     * Returns the health points of the dragon.
    737     */
    738    public int getDragonHealth()
    739    {
    740        return this.dataWatcher.getWatchableObjectInt(16);
    741    }
    742
    743    public World func_82194_d()
    744    {
    745        return this.worldObj;
    746    }
    747
    748    /**
    749     * Returns the sound this mob makes while it's alive.
    750     */
    751    protected String getLivingSound()
    752    {
    753        return "mob.enderdragon.growl";
    754    }
    755
    756    /**
    757     * Returns the sound this mob makes when it is hurt.
    758     */
    759    protected String getHurtSound()
    760    {
    761        return "mob.enderdragon.hit";
    762    }
    763
    764    /**
    765     * Returns the volume for the sounds this mob makes.
    766     */
    767    protected float getSoundVolume()
    768    {
    769        return 5.0F;
    770    }
    771}