001    package net.minecraft.entity.boss;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import java.util.Iterator;
006    import java.util.List;
007    import net.minecraft.block.Block;
008    import net.minecraft.block.BlockEndPortal;
009    import net.minecraft.entity.Entity;
010    import net.minecraft.entity.EntityLiving;
011    import net.minecraft.entity.IEntityMultiPart;
012    import net.minecraft.entity.item.EntityEnderCrystal;
013    import net.minecraft.entity.item.EntityXPOrb;
014    import net.minecraft.entity.player.EntityPlayer;
015    import net.minecraft.util.AxisAlignedBB;
016    import net.minecraft.util.DamageSource;
017    import net.minecraft.util.MathHelper;
018    import net.minecraft.util.Vec3;
019    import net.minecraft.world.World;
020    
021    public 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    }