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 EntityWolf extends EntityTameable 007 { 008 private float field_70926_e; 009 private float field_70924_f; 010 011 /** true is the wolf is wet else false */ 012 private boolean isShaking; 013 private boolean field_70928_h; 014 015 /** 016 * This time increases while wolf is shaking and emitting water particles. 017 */ 018 private float timeWolfIsShaking; 019 private float prevTimeWolfIsShaking; 020 021 public EntityWolf(World par1World) 022 { 023 super(par1World); 024 this.texture = "/mob/wolf.png"; 025 this.setSize(0.6F, 0.8F); 026 this.moveSpeed = 0.3F; 027 this.getNavigator().setAvoidsWater(true); 028 this.tasks.addTask(1, new EntityAISwimming(this)); 029 this.tasks.addTask(2, this.aiSit); 030 this.tasks.addTask(3, new EntityAILeapAtTarget(this, 0.4F)); 031 this.tasks.addTask(4, new EntityAIAttackOnCollide(this, this.moveSpeed, true)); 032 this.tasks.addTask(5, new EntityAIFollowOwner(this, this.moveSpeed, 10.0F, 2.0F)); 033 this.tasks.addTask(6, new EntityAIMate(this, this.moveSpeed)); 034 this.tasks.addTask(7, new EntityAIWander(this, this.moveSpeed)); 035 this.tasks.addTask(8, new EntityAIBeg(this, 8.0F)); 036 this.tasks.addTask(9, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F)); 037 this.tasks.addTask(9, new EntityAILookIdle(this)); 038 this.targetTasks.addTask(1, new EntityAIOwnerHurtByTarget(this)); 039 this.targetTasks.addTask(2, new EntityAIOwnerHurtTarget(this)); 040 this.targetTasks.addTask(3, new EntityAIHurtByTarget(this, true)); 041 this.targetTasks.addTask(4, new EntityAITargetNonTamed(this, EntitySheep.class, 16.0F, 200, false)); 042 } 043 044 /** 045 * Returns true if the newer Entity AI code should be run 046 */ 047 public boolean isAIEnabled() 048 { 049 return true; 050 } 051 052 /** 053 * Sets the active target the Task system uses for tracking 054 */ 055 public void setAttackTarget(EntityLiving par1EntityLiving) 056 { 057 super.setAttackTarget(par1EntityLiving); 058 059 if (par1EntityLiving instanceof EntityPlayer) 060 { 061 this.setAngry(true); 062 } 063 } 064 065 /** 066 * main AI tick function, replaces updateEntityActionState 067 */ 068 protected void updateAITick() 069 { 070 this.dataWatcher.updateObject(18, Integer.valueOf(this.getHealth())); 071 } 072 073 public int getMaxHealth() 074 { 075 return this.isTamed() ? 20 : 8; 076 } 077 078 protected void entityInit() 079 { 080 super.entityInit(); 081 this.dataWatcher.addObject(18, new Integer(this.getHealth())); 082 this.dataWatcher.addObject(19, new Byte((byte)0)); 083 this.dataWatcher.addObject(20, new Byte((byte)BlockCloth.getBlockFromDye(1))); 084 } 085 086 /** 087 * Plays step sound at given x, y, z for the entity 088 */ 089 protected void playStepSound(int par1, int par2, int par3, int par4) 090 { 091 this.func_85030_a("mob.wolf.step", 0.15F, 1.0F); 092 } 093 094 @SideOnly(Side.CLIENT) 095 096 /** 097 * Returns the texture's file path as a String. 098 */ 099 public String getTexture() 100 { 101 return this.isTamed() ? "/mob/wolf_tame.png" : (this.isAngry() ? "/mob/wolf_angry.png" : super.getTexture()); 102 } 103 104 /** 105 * (abstract) Protected helper method to write subclass entity data to NBT. 106 */ 107 public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound) 108 { 109 super.writeEntityToNBT(par1NBTTagCompound); 110 par1NBTTagCompound.setBoolean("Angry", this.isAngry()); 111 par1NBTTagCompound.setByte("CollarColor", (byte)this.getCollarColor()); 112 } 113 114 /** 115 * (abstract) Protected helper method to read subclass entity data from NBT. 116 */ 117 public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound) 118 { 119 super.readEntityFromNBT(par1NBTTagCompound); 120 this.setAngry(par1NBTTagCompound.getBoolean("Angry")); 121 122 if (par1NBTTagCompound.hasKey("CollarColor")) 123 { 124 this.setCollarColor(par1NBTTagCompound.getByte("CollarColor")); 125 } 126 } 127 128 /** 129 * Determines if an entity can be despawned, used on idle far away entities 130 */ 131 protected boolean canDespawn() 132 { 133 return this.isAngry(); 134 } 135 136 /** 137 * Returns the sound this mob makes while it's alive. 138 */ 139 protected String getLivingSound() 140 { 141 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"); 142 } 143 144 /** 145 * Returns the sound this mob makes when it is hurt. 146 */ 147 protected String getHurtSound() 148 { 149 return "mob.wolf.hurt"; 150 } 151 152 /** 153 * Returns the sound this mob makes on death. 154 */ 155 protected String getDeathSound() 156 { 157 return "mob.wolf.death"; 158 } 159 160 /** 161 * Returns the volume for the sounds this mob makes. 162 */ 163 protected float getSoundVolume() 164 { 165 return 0.4F; 166 } 167 168 /** 169 * Returns the item ID for the item the mob drops on death. 170 */ 171 protected int getDropItemId() 172 { 173 return -1; 174 } 175 176 /** 177 * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons 178 * use this to react to sunlight and start to burn. 179 */ 180 public void onLivingUpdate() 181 { 182 super.onLivingUpdate(); 183 184 if (!this.worldObj.isRemote && this.isShaking && !this.field_70928_h && !this.hasPath() && this.onGround) 185 { 186 this.field_70928_h = true; 187 this.timeWolfIsShaking = 0.0F; 188 this.prevTimeWolfIsShaking = 0.0F; 189 this.worldObj.setEntityState(this, (byte)8); 190 } 191 } 192 193 /** 194 * Called to update the entity's position/logic. 195 */ 196 public void onUpdate() 197 { 198 super.onUpdate(); 199 this.field_70924_f = this.field_70926_e; 200 201 if (this.func_70922_bv()) 202 { 203 this.field_70926_e += (1.0F - this.field_70926_e) * 0.4F; 204 } 205 else 206 { 207 this.field_70926_e += (0.0F - this.field_70926_e) * 0.4F; 208 } 209 210 if (this.func_70922_bv()) 211 { 212 this.numTicksToChaseTarget = 10; 213 } 214 215 if (this.isWet()) 216 { 217 this.isShaking = true; 218 this.field_70928_h = false; 219 this.timeWolfIsShaking = 0.0F; 220 this.prevTimeWolfIsShaking = 0.0F; 221 } 222 else if ((this.isShaking || this.field_70928_h) && this.field_70928_h) 223 { 224 if (this.timeWolfIsShaking == 0.0F) 225 { 226 this.func_85030_a("mob.wolf.shake", this.getSoundVolume(), (this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F + 1.0F); 227 } 228 229 this.prevTimeWolfIsShaking = this.timeWolfIsShaking; 230 this.timeWolfIsShaking += 0.05F; 231 232 if (this.prevTimeWolfIsShaking >= 2.0F) 233 { 234 this.isShaking = false; 235 this.field_70928_h = false; 236 this.prevTimeWolfIsShaking = 0.0F; 237 this.timeWolfIsShaking = 0.0F; 238 } 239 240 if (this.timeWolfIsShaking > 0.4F) 241 { 242 float var1 = (float)this.boundingBox.minY; 243 int var2 = (int)(MathHelper.sin((this.timeWolfIsShaking - 0.4F) * (float)Math.PI) * 7.0F); 244 245 for (int var3 = 0; var3 < var2; ++var3) 246 { 247 float var4 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F; 248 float var5 = (this.rand.nextFloat() * 2.0F - 1.0F) * this.width * 0.5F; 249 this.worldObj.spawnParticle("splash", this.posX + (double)var4, (double)(var1 + 0.8F), this.posZ + (double)var5, this.motionX, this.motionY, this.motionZ); 250 } 251 } 252 } 253 } 254 255 @SideOnly(Side.CLIENT) 256 public boolean getWolfShaking() 257 { 258 return this.isShaking; 259 } 260 261 @SideOnly(Side.CLIENT) 262 263 /** 264 * Used when calculating the amount of shading to apply while the wolf is shaking. 265 */ 266 public float getShadingWhileShaking(float par1) 267 { 268 return 0.75F + (this.prevTimeWolfIsShaking + (this.timeWolfIsShaking - this.prevTimeWolfIsShaking) * par1) / 2.0F * 0.25F; 269 } 270 271 @SideOnly(Side.CLIENT) 272 public float getShakeAngle(float par1, float par2) 273 { 274 float var3 = (this.prevTimeWolfIsShaking + (this.timeWolfIsShaking - this.prevTimeWolfIsShaking) * par1 + par2) / 1.8F; 275 276 if (var3 < 0.0F) 277 { 278 var3 = 0.0F; 279 } 280 else if (var3 > 1.0F) 281 { 282 var3 = 1.0F; 283 } 284 285 return MathHelper.sin(var3 * (float)Math.PI) * MathHelper.sin(var3 * (float)Math.PI * 11.0F) * 0.15F * (float)Math.PI; 286 } 287 288 @SideOnly(Side.CLIENT) 289 public float getInterestedAngle(float par1) 290 { 291 return (this.field_70924_f + (this.field_70926_e - this.field_70924_f) * par1) * 0.15F * (float)Math.PI; 292 } 293 294 public float getEyeHeight() 295 { 296 return this.height * 0.8F; 297 } 298 299 /** 300 * The speed it takes to move the entityliving's rotationPitch through the faceEntity method. This is only currently 301 * use in wolves. 302 */ 303 public int getVerticalFaceSpeed() 304 { 305 return this.isSitting() ? 20 : super.getVerticalFaceSpeed(); 306 } 307 308 /** 309 * Called when the entity is attacked. 310 */ 311 public boolean attackEntityFrom(DamageSource par1DamageSource, int par2) 312 { 313 if (this.func_85032_ar()) 314 { 315 return false; 316 } 317 else 318 { 319 Entity var3 = par1DamageSource.getEntity(); 320 this.aiSit.setSitting(false); 321 322 if (var3 != null && !(var3 instanceof EntityPlayer) && !(var3 instanceof EntityArrow)) 323 { 324 par2 = (par2 + 1) / 2; 325 } 326 327 return super.attackEntityFrom(par1DamageSource, par2); 328 } 329 } 330 331 public boolean attackEntityAsMob(Entity par1Entity) 332 { 333 int var2 = this.isTamed() ? 4 : 2; 334 return par1Entity.attackEntityFrom(DamageSource.causeMobDamage(this), var2); 335 } 336 337 /** 338 * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig. 339 */ 340 public boolean interact(EntityPlayer par1EntityPlayer) 341 { 342 ItemStack var2 = par1EntityPlayer.inventory.getCurrentItem(); 343 344 if (this.isTamed()) 345 { 346 if (var2 != null) 347 { 348 if (Item.itemsList[var2.itemID] instanceof ItemFood) 349 { 350 ItemFood var3 = (ItemFood)Item.itemsList[var2.itemID]; 351 352 if (var3.isWolfsFavoriteMeat() && this.dataWatcher.getWatchableObjectInt(18) < 20) 353 { 354 if (!par1EntityPlayer.capabilities.isCreativeMode) 355 { 356 --var2.stackSize; 357 } 358 359 this.heal(var3.getHealAmount()); 360 361 if (var2.stackSize <= 0) 362 { 363 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null); 364 } 365 366 return true; 367 } 368 } 369 else if (var2.itemID == Item.dyePowder.shiftedIndex) 370 { 371 int var4 = BlockCloth.getBlockFromDye(var2.getItemDamage()); 372 373 if (var4 != this.getCollarColor()) 374 { 375 this.setCollarColor(var4); 376 377 if (!par1EntityPlayer.capabilities.isCreativeMode && --var2.stackSize <= 0) 378 { 379 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null); 380 } 381 382 return true; 383 } 384 } 385 } 386 387 if (par1EntityPlayer.username.equalsIgnoreCase(this.getOwnerName()) && !this.worldObj.isRemote && !this.isBreedingItem(var2)) 388 { 389 this.aiSit.setSitting(!this.isSitting()); 390 this.isJumping = false; 391 this.setPathToEntity((PathEntity)null); 392 } 393 } 394 else if (var2 != null && var2.itemID == Item.bone.shiftedIndex && !this.isAngry()) 395 { 396 if (!par1EntityPlayer.capabilities.isCreativeMode) 397 { 398 --var2.stackSize; 399 } 400 401 if (var2.stackSize <= 0) 402 { 403 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null); 404 } 405 406 if (!this.worldObj.isRemote) 407 { 408 if (this.rand.nextInt(3) == 0) 409 { 410 this.setTamed(true); 411 this.setPathToEntity((PathEntity)null); 412 this.setAttackTarget((EntityLiving)null); 413 this.aiSit.setSitting(true); 414 this.setEntityHealth(20); 415 this.setOwner(par1EntityPlayer.username); 416 this.playTameEffect(true); 417 this.worldObj.setEntityState(this, (byte)7); 418 } 419 else 420 { 421 this.playTameEffect(false); 422 this.worldObj.setEntityState(this, (byte)6); 423 } 424 } 425 426 return true; 427 } 428 429 return super.interact(par1EntityPlayer); 430 } 431 432 @SideOnly(Side.CLIENT) 433 public void handleHealthUpdate(byte par1) 434 { 435 if (par1 == 8) 436 { 437 this.field_70928_h = true; 438 this.timeWolfIsShaking = 0.0F; 439 this.prevTimeWolfIsShaking = 0.0F; 440 } 441 else 442 { 443 super.handleHealthUpdate(par1); 444 } 445 } 446 447 @SideOnly(Side.CLIENT) 448 public float getTailRotation() 449 { 450 return this.isAngry() ? 1.5393804F : (this.isTamed() ? (0.55F - (float)(20 - this.dataWatcher.getWatchableObjectInt(18)) * 0.02F) * (float)Math.PI : ((float)Math.PI / 5F)); 451 } 452 453 /** 454 * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on 455 * the animal type) 456 */ 457 public boolean isBreedingItem(ItemStack par1ItemStack) 458 { 459 return par1ItemStack == null ? false : (!(Item.itemsList[par1ItemStack.itemID] instanceof ItemFood) ? false : ((ItemFood)Item.itemsList[par1ItemStack.itemID]).isWolfsFavoriteMeat()); 460 } 461 462 /** 463 * Will return how many at most can spawn in a chunk at once. 464 */ 465 public int getMaxSpawnedInChunk() 466 { 467 return 8; 468 } 469 470 /** 471 * Determines whether this wolf is angry or not. 472 */ 473 public boolean isAngry() 474 { 475 return (this.dataWatcher.getWatchableObjectByte(16) & 2) != 0; 476 } 477 478 /** 479 * Sets whether this wolf is angry or not. 480 */ 481 public void setAngry(boolean par1) 482 { 483 byte var2 = this.dataWatcher.getWatchableObjectByte(16); 484 485 if (par1) 486 { 487 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(var2 | 2))); 488 } 489 else 490 { 491 this.dataWatcher.updateObject(16, Byte.valueOf((byte)(var2 & -3))); 492 } 493 } 494 495 /** 496 * Return this wolf's collar color. 497 */ 498 public int getCollarColor() 499 { 500 return this.dataWatcher.getWatchableObjectByte(20) & 15; 501 } 502 503 /** 504 * Set this wolf's collar color. 505 */ 506 public void setCollarColor(int par1) 507 { 508 this.dataWatcher.updateObject(20, Byte.valueOf((byte)(par1 & 15))); 509 } 510 511 /** 512 * This function is used when two same-species animals in 'love mode' breed to generate the new baby animal. 513 */ 514 public EntityWolf spawnBabyAnimal(EntityAgeable par1EntityAgeable) 515 { 516 EntityWolf var2 = new EntityWolf(this.worldObj); 517 String var3 = this.getOwnerName(); 518 519 if (var3 != null && var3.trim().length() > 0) 520 { 521 var2.setOwner(var3); 522 var2.setTamed(true); 523 } 524 525 return var2; 526 } 527 528 public void func_70918_i(boolean par1) 529 { 530 byte var2 = this.dataWatcher.getWatchableObjectByte(19); 531 532 if (par1) 533 { 534 this.dataWatcher.updateObject(19, Byte.valueOf((byte)1)); 535 } 536 else 537 { 538 this.dataWatcher.updateObject(19, Byte.valueOf((byte)0)); 539 } 540 } 541 542 /** 543 * Returns true if the mob is currently able to mate with the specified mob. 544 */ 545 public boolean canMateWith(EntityAnimal par1EntityAnimal) 546 { 547 if (par1EntityAnimal == this) 548 { 549 return false; 550 } 551 else if (!this.isTamed()) 552 { 553 return false; 554 } 555 else if (!(par1EntityAnimal instanceof EntityWolf)) 556 { 557 return false; 558 } 559 else 560 { 561 EntityWolf var2 = (EntityWolf)par1EntityAnimal; 562 return !var2.isTamed() ? false : (var2.isSitting() ? false : this.isInLove() && var2.isInLove()); 563 } 564 } 565 566 public boolean func_70922_bv() 567 { 568 return this.dataWatcher.getWatchableObjectByte(19) == 1; 569 } 570 571 public EntityAgeable func_90011_a(EntityAgeable par1EntityAgeable) 572 { 573 return this.spawnBabyAnimal(par1EntityAgeable); 574 } 575 }