001 package net.minecraft.entity.passive;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import net.minecraft.block.BlockCloth;
006 import net.minecraft.entity.Entity;
007 import net.minecraft.entity.EntityAgeable;
008 import net.minecraft.entity.EntityLiving;
009 import net.minecraft.entity.ai.EntityAIAttackOnCollide;
010 import net.minecraft.entity.ai.EntityAIBeg;
011 import net.minecraft.entity.ai.EntityAIFollowOwner;
012 import net.minecraft.entity.ai.EntityAIHurtByTarget;
013 import net.minecraft.entity.ai.EntityAILeapAtTarget;
014 import net.minecraft.entity.ai.EntityAILookIdle;
015 import net.minecraft.entity.ai.EntityAIMate;
016 import net.minecraft.entity.ai.EntityAIOwnerHurtByTarget;
017 import net.minecraft.entity.ai.EntityAIOwnerHurtTarget;
018 import net.minecraft.entity.ai.EntityAISwimming;
019 import net.minecraft.entity.ai.EntityAITargetNonTamed;
020 import net.minecraft.entity.ai.EntityAIWander;
021 import net.minecraft.entity.ai.EntityAIWatchClosest;
022 import net.minecraft.entity.player.EntityPlayer;
023 import net.minecraft.entity.projectile.EntityArrow;
024 import net.minecraft.item.Item;
025 import net.minecraft.item.ItemFood;
026 import net.minecraft.item.ItemStack;
027 import net.minecraft.nbt.NBTTagCompound;
028 import net.minecraft.pathfinding.PathEntity;
029 import net.minecraft.util.DamageSource;
030 import net.minecraft.util.MathHelper;
031 import net.minecraft.world.World;
032
033 public class EntityWolf extends EntityTameable
034 {
035 private float field_70926_e;
036 private float field_70924_f;
037
038 /** true is the wolf is wet else false */
039 private boolean isShaking;
040 private boolean field_70928_h;
041
042 /**
043 * This time increases while wolf is shaking and emitting water particles.
044 */
045 private float timeWolfIsShaking;
046 private float prevTimeWolfIsShaking;
047
048 public EntityWolf(World par1World)
049 {
050 super(par1World);
051 this.texture = "/mob/wolf.png";
052 this.setSize(0.6F, 0.8F);
053 this.moveSpeed = 0.3F;
054 this.getNavigator().setAvoidsWater(true);
055 this.tasks.addTask(1, new EntityAISwimming(this));
056 this.tasks.addTask(2, this.aiSit);
057 this.tasks.addTask(3, new EntityAILeapAtTarget(this, 0.4F));
058 this.tasks.addTask(4, new EntityAIAttackOnCollide(this, this.moveSpeed, true));
059 this.tasks.addTask(5, new EntityAIFollowOwner(this, this.moveSpeed, 10.0F, 2.0F));
060 this.tasks.addTask(6, new EntityAIMate(this, this.moveSpeed));
061 this.tasks.addTask(7, new EntityAIWander(this, this.moveSpeed));
062 this.tasks.addTask(8, new EntityAIBeg(this, 8.0F));
063 this.tasks.addTask(9, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F));
064 this.tasks.addTask(9, new EntityAILookIdle(this));
065 this.targetTasks.addTask(1, new EntityAIOwnerHurtByTarget(this));
066 this.targetTasks.addTask(2, new EntityAIOwnerHurtTarget(this));
067 this.targetTasks.addTask(3, new EntityAIHurtByTarget(this, true));
068 this.targetTasks.addTask(4, new EntityAITargetNonTamed(this, EntitySheep.class, 16.0F, 200, false));
069 }
070
071 /**
072 * Returns true if the newer Entity AI code should be run
073 */
074 public boolean isAIEnabled()
075 {
076 return true;
077 }
078
079 /**
080 * Sets the active target the Task system uses for tracking
081 */
082 public void setAttackTarget(EntityLiving par1EntityLiving)
083 {
084 super.setAttackTarget(par1EntityLiving);
085
086 if (par1EntityLiving instanceof EntityPlayer)
087 {
088 this.setAngry(true);
089 }
090 }
091
092 /**
093 * main AI tick function, replaces updateEntityActionState
094 */
095 protected void updateAITick()
096 {
097 this.dataWatcher.updateObject(18, Integer.valueOf(this.getHealth()));
098 }
099
100 public int getMaxHealth()
101 {
102 return this.isTamed() ? 20 : 8;
103 }
104
105 protected void entityInit()
106 {
107 super.entityInit();
108 this.dataWatcher.addObject(18, new Integer(this.getHealth()));
109 this.dataWatcher.addObject(19, new Byte((byte)0));
110 this.dataWatcher.addObject(20, new Byte((byte)BlockCloth.getBlockFromDye(1)));
111 }
112
113 /**
114 * Plays step sound at given x, y, z for the entity
115 */
116 protected void playStepSound(int par1, int par2, int par3, int par4)
117 {
118 this.playSound("mob.wolf.step", 0.15F, 1.0F);
119 }
120
121 @SideOnly(Side.CLIENT)
122
123 /**
124 * Returns the texture's file path as a String.
125 */
126 public String getTexture()
127 {
128 return this.isTamed() ? "/mob/wolf_tame.png" : (this.isAngry() ? "/mob/wolf_angry.png" : super.getTexture());
129 }
130
131 /**
132 * (abstract) Protected helper method to write subclass entity data to NBT.
133 */
134 public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
135 {
136 super.writeEntityToNBT(par1NBTTagCompound);
137 par1NBTTagCompound.setBoolean("Angry", this.isAngry());
138 par1NBTTagCompound.setByte("CollarColor", (byte)this.getCollarColor());
139 }
140
141 /**
142 * (abstract) Protected helper method to read subclass entity data from NBT.
143 */
144 public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
145 {
146 super.readEntityFromNBT(par1NBTTagCompound);
147 this.setAngry(par1NBTTagCompound.getBoolean("Angry"));
148
149 if (par1NBTTagCompound.hasKey("CollarColor"))
150 {
151 this.setCollarColor(par1NBTTagCompound.getByte("CollarColor"));
152 }
153 }
154
155 /**
156 * Determines if an entity can be despawned, used on idle far away entities
157 */
158 protected boolean canDespawn()
159 {
160 return this.isAngry();
161 }
162
163 /**
164 * Returns the sound this mob makes while it's alive.
165 */
166 protected String getLivingSound()
167 {
168 return this.isAngry() ? "mob.wolf.growl" : (this.rand.nextInt(3) == 0 ? (this.isTamed() && this.dataWatcher.getWatchableObjectInt(18) < 10 ? "mob.wolf.whine" : "mob.wolf.panting") : "mob.wolf.bark");
169 }
170
171 /**
172 * Returns the sound this mob makes when it is hurt.
173 */
174 protected String getHurtSound()
175 {
176 return "mob.wolf.hurt";
177 }
178
179 /**
180 * Returns the sound this mob makes on death.
181 */
182 protected String getDeathSound()
183 {
184 return "mob.wolf.death";
185 }
186
187 /**
188 * Returns the volume for the sounds this mob makes.
189 */
190 protected float getSoundVolume()
191 {
192 return 0.4F;
193 }
194
195 /**
196 * Returns the item ID for the item the mob drops on death.
197 */
198 protected int getDropItemId()
199 {
200 return -1;
201 }
202
203 /**
204 * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons
205 * use this to react to sunlight and start to burn.
206 */
207 public void onLivingUpdate()
208 {
209 super.onLivingUpdate();
210
211 if (!this.worldObj.isRemote && this.isShaking && !this.field_70928_h && !this.hasPath() && this.onGround)
212 {
213 this.field_70928_h = true;
214 this.timeWolfIsShaking = 0.0F;
215 this.prevTimeWolfIsShaking = 0.0F;
216 this.worldObj.setEntityState(this, (byte)8);
217 }
218 }
219
220 /**
221 * Called to update the entity's position/logic.
222 */
223 public void onUpdate()
224 {
225 super.onUpdate();
226 this.field_70924_f = this.field_70926_e;
227
228 if (this.func_70922_bv())
229 {
230 this.field_70926_e += (1.0F - this.field_70926_e) * 0.4F;
231 }
232 else
233 {
234 this.field_70926_e += (0.0F - this.field_70926_e) * 0.4F;
235 }
236
237 if (this.func_70922_bv())
238 {
239 this.numTicksToChaseTarget = 10;
240 }
241
242 if (this.isWet())
243 {
244 this.isShaking = true;
245 this.field_70928_h = false;
246 this.timeWolfIsShaking = 0.0F;
247 this.prevTimeWolfIsShaking = 0.0F;
248 }
249 else if ((this.isShaking || this.field_70928_h) && this.field_70928_h)
250 {
251 if (this.timeWolfIsShaking == 0.0F)
252 {
253 this.playSound("mob.wolf.shake", this.getSoundVolume(), (this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F);
254 }
255
256 this.prevTimeWolfIsShaking = this.timeWolfIsShaking;
257 this.timeWolfIsShaking += 0.05F;
258
259 if (this.prevTimeWolfIsShaking >= 2.0F)
260 {
261 this.isShaking = false;
262 this.field_70928_h = false;
263 this.prevTimeWolfIsShaking = 0.0F;
264 this.timeWolfIsShaking = 0.0F;
265 }
266
267 if (this.timeWolfIsShaking > 0.4F)
268 {
269 float var1 = (float)this.boundingBox.minY;
270 int var2 = (int)(MathHelper.sin((this.timeWolfIsShaking - 0.4F) * (float)Math.PI) * 7.0F);
271
272 for (int var3 = 0; var3 < var2; ++var3)
273 {
274 float var4 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F;
275 float var5 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F;
276 this.worldObj.spawnParticle("splash", this.posX + (double)var4, (double)(var1 + 0.8F), this.posZ + (double)var5, this.motionX, this.motionY, this.motionZ);
277 }
278 }
279 }
280 }
281
282 @SideOnly(Side.CLIENT)
283 public boolean getWolfShaking()
284 {
285 return this.isShaking;
286 }
287
288 @SideOnly(Side.CLIENT)
289
290 /**
291 * Used when calculating the amount of shading to apply while the wolf is shaking.
292 */
293 public float getShadingWhileShaking(float par1)
294 {
295 return 0.75F + (this.prevTimeWolfIsShaking + (this.timeWolfIsShaking - this.prevTimeWolfIsShaking) * par1) / 2.0F * 0.25F;
296 }
297
298 @SideOnly(Side.CLIENT)
299 public float getShakeAngle(float par1, float par2)
300 {
301 float var3 = (this.prevTimeWolfIsShaking + (this.timeWolfIsShaking - this.prevTimeWolfIsShaking) * par1 + par2) / 1.8F;
302
303 if (var3 < 0.0F)
304 {
305 var3 = 0.0F;
306 }
307 else if (var3 > 1.0F)
308 {
309 var3 = 1.0F;
310 }
311
312 return MathHelper.sin(var3 * (float)Math.PI) * MathHelper.sin(var3 * (float)Math.PI * 11.0F) * 0.15F * (float)Math.PI;
313 }
314
315 @SideOnly(Side.CLIENT)
316 public float getInterestedAngle(float par1)
317 {
318 return (this.field_70924_f + (this.field_70926_e - this.field_70924_f) * par1) * 0.15F * (float)Math.PI;
319 }
320
321 public float getEyeHeight()
322 {
323 return this.height * 0.8F;
324 }
325
326 /**
327 * The speed it takes to move the entityliving's rotationPitch through the faceEntity method. This is only currently
328 * use in wolves.
329 */
330 public int getVerticalFaceSpeed()
331 {
332 return this.isSitting() ? 20 : super.getVerticalFaceSpeed();
333 }
334
335 /**
336 * Called when the entity is attacked.
337 */
338 public boolean attackEntityFrom(DamageSource par1DamageSource, int par2)
339 {
340 if (this.isEntityInvulnerable())
341 {
342 return false;
343 }
344 else
345 {
346 Entity var3 = par1DamageSource.getEntity();
347 this.aiSit.setSitting(false);
348
349 if (var3 != null && !(var3 instanceof EntityPlayer) && !(var3 instanceof EntityArrow))
350 {
351 par2 = (par2 + 1) / 2;
352 }
353
354 return super.attackEntityFrom(par1DamageSource, par2);
355 }
356 }
357
358 public boolean attackEntityAsMob(Entity par1Entity)
359 {
360 int var2 = this.isTamed() ? 4 : 2;
361 return par1Entity.attackEntityFrom(DamageSource.causeMobDamage(this), var2);
362 }
363
364 /**
365 * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig.
366 */
367 public boolean interact(EntityPlayer par1EntityPlayer)
368 {
369 ItemStack var2 = par1EntityPlayer.inventory.getCurrentItem();
370
371 if (this.isTamed())
372 {
373 if (var2 != null)
374 {
375 if (Item.itemsList[var2.itemID] instanceof ItemFood)
376 {
377 ItemFood var3 = (ItemFood)Item.itemsList[var2.itemID];
378
379 if (var3.isWolfsFavoriteMeat() && this.dataWatcher.getWatchableObjectInt(18) < 20)
380 {
381 if (!par1EntityPlayer.capabilities.isCreativeMode)
382 {
383 --var2.stackSize;
384 }
385
386 this.heal(var3.getHealAmount());
387
388 if (var2.stackSize <= 0)
389 {
390 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null);
391 }
392
393 return true;
394 }
395 }
396 else if (var2.itemID == Item.dyePowder.itemID)
397 {
398 int var4 = BlockCloth.getBlockFromDye(var2.getItemDamage());
399
400 if (var4 != this.getCollarColor())
401 {
402 this.setCollarColor(var4);
403
404 if (!par1EntityPlayer.capabilities.isCreativeMode && --var2.stackSize <= 0)
405 {
406 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null);
407 }
408
409 return true;
410 }
411 }
412 }
413
414 if (par1EntityPlayer.username.equalsIgnoreCase(this.getOwnerName()) && !this.worldObj.isRemote && !this.isBreedingItem(var2))
415 {
416 this.aiSit.setSitting(!this.isSitting());
417 this.isJumping = false;
418 this.setPathToEntity((PathEntity)null);
419 }
420 }
421 else if (var2 != null && var2.itemID == Item.bone.itemID && !this.isAngry())
422 {
423 if (!par1EntityPlayer.capabilities.isCreativeMode)
424 {
425 --var2.stackSize;
426 }
427
428 if (var2.stackSize <= 0)
429 {
430 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null);
431 }
432
433 if (!this.worldObj.isRemote)
434 {
435 if (this.rand.nextInt(3) == 0)
436 {
437 this.setTamed(true);
438 this.setPathToEntity((PathEntity)null);
439 this.setAttackTarget((EntityLiving)null);
440 this.aiSit.setSitting(true);
441 this.setEntityHealth(20);
442 this.setOwner(par1EntityPlayer.username);
443 this.playTameEffect(true);
444 this.worldObj.setEntityState(this, (byte)7);
445 }
446 else
447 {
448 this.playTameEffect(false);
449 this.worldObj.setEntityState(this, (byte)6);
450 }
451 }
452
453 return true;
454 }
455
456 return super.interact(par1EntityPlayer);
457 }
458
459 @SideOnly(Side.CLIENT)
460 public void handleHealthUpdate(byte par1)
461 {
462 if (par1 == 8)
463 {
464 this.field_70928_h = true;
465 this.timeWolfIsShaking = 0.0F;
466 this.prevTimeWolfIsShaking = 0.0F;
467 }
468 else
469 {
470 super.handleHealthUpdate(par1);
471 }
472 }
473
474 @SideOnly(Side.CLIENT)
475 public float getTailRotation()
476 {
477 return this.isAngry() ? 1.5393804F : (this.isTamed() ? (0.55F - (float)(20 - this.dataWatcher.getWatchableObjectInt(18)) * 0.02F) * (float)Math.PI : ((float)Math.PI / 5F));
478 }
479
480 /**
481 * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on
482 * the animal type)
483 */
484 public boolean isBreedingItem(ItemStack par1ItemStack)
485 {
486 return par1ItemStack == null ? false : (!(Item.itemsList[par1ItemStack.itemID] instanceof ItemFood) ? false : ((ItemFood)Item.itemsList[par1ItemStack.itemID]).isWolfsFavoriteMeat());
487 }
488
489 /**
490 * Will return how many at most can spawn in a chunk at once.
491 */
492 public int getMaxSpawnedInChunk()
493 {
494 return 8;
495 }
496
497 /**
498 * Determines whether this wolf is angry or not.
499 */
500 public boolean isAngry()
501 {
502 return (this.dataWatcher.getWatchableObjectByte(16) & 2) != 0;
503 }
504
505 /**
506 * Sets whether this wolf is angry or not.
507 */
508 public void setAngry(boolean par1)
509 {
510 byte var2 = this.dataWatcher.getWatchableObjectByte(16);
511
512 if (par1)
513 {
514 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(var2 | 2)));
515 }
516 else
517 {
518 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(var2 & -3)));
519 }
520 }
521
522 /**
523 * Return this wolf's collar color.
524 */
525 public int getCollarColor()
526 {
527 return this.dataWatcher.getWatchableObjectByte(20) & 15;
528 }
529
530 /**
531 * Set this wolf's collar color.
532 */
533 public void setCollarColor(int par1)
534 {
535 this.dataWatcher.updateObject(20, Byte.valueOf((byte)(par1 & 15)));
536 }
537
538 /**
539 * This function is used when two same-species animals in 'love mode' breed to generate the new baby animal.
540 */
541 public EntityWolf spawnBabyAnimal(EntityAgeable par1EntityAgeable)
542 {
543 EntityWolf var2 = new EntityWolf(this.worldObj);
544 String var3 = this.getOwnerName();
545
546 if (var3 != null && var3.trim().length() > 0)
547 {
548 var2.setOwner(var3);
549 var2.setTamed(true);
550 }
551
552 return var2;
553 }
554
555 public void func_70918_i(boolean par1)
556 {
557 byte var2 = this.dataWatcher.getWatchableObjectByte(19);
558
559 if (par1)
560 {
561 this.dataWatcher.updateObject(19, Byte.valueOf((byte)1));
562 }
563 else
564 {
565 this.dataWatcher.updateObject(19, Byte.valueOf((byte)0));
566 }
567 }
568
569 /**
570 * Returns true if the mob is currently able to mate with the specified mob.
571 */
572 public boolean canMateWith(EntityAnimal par1EntityAnimal)
573 {
574 if (par1EntityAnimal == this)
575 {
576 return false;
577 }
578 else if (!this.isTamed())
579 {
580 return false;
581 }
582 else if (!(par1EntityAnimal instanceof EntityWolf))
583 {
584 return false;
585 }
586 else
587 {
588 EntityWolf var2 = (EntityWolf)par1EntityAnimal;
589 return !var2.isTamed() ? false : (var2.isSitting() ? false : this.isInLove() && var2.isInLove());
590 }
591 }
592
593 public boolean func_70922_bv()
594 {
595 return this.dataWatcher.getWatchableObjectByte(19) == 1;
596 }
597
598 public EntityAgeable createChild(EntityAgeable par1EntityAgeable)
599 {
600 return this.spawnBabyAnimal(par1EntityAgeable);
601 }
602 }