001 package net.minecraft.src;
002
003 import cpw.mods.fml.common.Side;
004 import cpw.mods.fml.common.asm.SideOnly;
005 import java.util.Calendar;
006
007 public class EntityZombie extends EntityMob
008 {
009 /**
010 * Ticker used to determine the time remaining for this zombie to convert into a villager when cured.
011 */
012 private int conversionTime = 0;
013
014 public EntityZombie(World par1World)
015 {
016 super(par1World);
017 this.texture = "/mob/zombie.png";
018 this.moveSpeed = 0.23F;
019 this.getNavigator().setBreakDoors(true);
020 this.tasks.addTask(0, new EntityAISwimming(this));
021 this.tasks.addTask(1, new EntityAIBreakDoor(this));
022 this.tasks.addTask(2, new EntityAIAttackOnCollide(this, EntityPlayer.class, this.moveSpeed, false));
023 this.tasks.addTask(3, new EntityAIAttackOnCollide(this, EntityVillager.class, this.moveSpeed, true));
024 this.tasks.addTask(4, new EntityAIMoveTwardsRestriction(this, this.moveSpeed));
025 this.tasks.addTask(5, new EntityAIMoveThroughVillage(this, this.moveSpeed, false));
026 this.tasks.addTask(6, new EntityAIWander(this, this.moveSpeed));
027 this.tasks.addTask(7, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F));
028 this.tasks.addTask(7, new EntityAILookIdle(this));
029 this.targetTasks.addTask(1, new EntityAIHurtByTarget(this, false));
030 this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityPlayer.class, 16.0F, 0, true));
031 this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityVillager.class, 16.0F, 0, false));
032 }
033
034 /**
035 * This method returns a value to be applied directly to entity speed, this factor is less than 1 when a slowdown
036 * potion effect is applied, more than 1 when a haste potion effect is applied and 2 for fleeing entities.
037 */
038 public float getSpeedModifier()
039 {
040 return super.getSpeedModifier() * (this.isChild() ? 1.5F : 1.0F);
041 }
042
043 protected void entityInit()
044 {
045 super.entityInit();
046 this.getDataWatcher().addObject(12, Byte.valueOf((byte)0));
047 this.getDataWatcher().addObject(13, Byte.valueOf((byte)0));
048 this.getDataWatcher().addObject(14, Byte.valueOf((byte)0));
049 }
050
051 @SideOnly(Side.CLIENT)
052
053 /**
054 * Returns the texture's file path as a String.
055 */
056 public String getTexture()
057 {
058 return this.isVillager() ? "/mob/zombie_villager.png" : "/mob/zombie.png";
059 }
060
061 public int getMaxHealth()
062 {
063 return 20;
064 }
065
066 /**
067 * Returns the current armor value as determined by a call to InventoryPlayer.getTotalArmorValue
068 */
069 public int getTotalArmorValue()
070 {
071 int var1 = super.getTotalArmorValue() + 2;
072
073 if (var1 > 20)
074 {
075 var1 = 20;
076 }
077
078 return var1;
079 }
080
081 /**
082 * Returns true if the newer Entity AI code should be run
083 */
084 protected boolean isAIEnabled()
085 {
086 return true;
087 }
088
089 /**
090 * If Animal, checks if the age timer is negative
091 */
092 public boolean isChild()
093 {
094 return this.getDataWatcher().getWatchableObjectByte(12) == 1;
095 }
096
097 /**
098 * Set whether this zombie is a child.
099 */
100 public void setChild(boolean par1)
101 {
102 this.getDataWatcher().updateObject(12, Byte.valueOf((byte)1));
103 }
104
105 /**
106 * Return whether this zombie is a villager.
107 */
108 public boolean isVillager()
109 {
110 return this.getDataWatcher().getWatchableObjectByte(13) == 1;
111 }
112
113 /**
114 * Set whether this zombie is a villager.
115 */
116 public void setVillager(boolean par1)
117 {
118 this.getDataWatcher().updateObject(13, Byte.valueOf((byte)(par1 ? 1 : 0)));
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 if (this.worldObj.isDaytime() && !this.worldObj.isRemote && !this.isChild())
128 {
129 float var1 = this.getBrightness(1.0F);
130
131 if (var1 > 0.5F && this.rand.nextFloat() * 30.0F < (var1 - 0.4F) * 2.0F && this.worldObj.canBlockSeeTheSky(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.posY), MathHelper.floor_double(this.posZ)))
132 {
133 boolean var2 = true;
134 ItemStack var3 = this.getCurrentItemOrArmor(4);
135
136 if (var3 != null)
137 {
138 if (var3.isItemStackDamageable())
139 {
140 var3.setItemDamage(var3.getItemDamageForDisplay() + this.rand.nextInt(2));
141
142 if (var3.getItemDamageForDisplay() >= var3.getMaxDamage())
143 {
144 this.renderBrokenItemStack(var3);
145 this.setCurrentItemOrArmor(4, (ItemStack)null);
146 }
147 }
148
149 var2 = false;
150 }
151
152 if (var2)
153 {
154 this.setFire(8);
155 }
156 }
157 }
158
159 super.onLivingUpdate();
160 }
161
162 /**
163 * Called to update the entity's position/logic.
164 */
165 public void onUpdate()
166 {
167 if (!this.worldObj.isRemote && this.func_82230_o())
168 {
169 int var1 = this.getConversionTimeBoost();
170 this.conversionTime -= var1;
171
172 if (this.conversionTime <= 0)
173 {
174 this.convertToVillager();
175 }
176 }
177
178 super.onUpdate();
179 }
180
181 /**
182 * Returns the amount of damage a mob should deal.
183 */
184 public int getAttackStrength(Entity par1Entity)
185 {
186 ItemStack var2 = this.getHeldItem();
187 int var3 = 4;
188
189 if (var2 != null)
190 {
191 var3 += var2.getDamageVsEntity(this);
192 }
193
194 return var3;
195 }
196
197 /**
198 * Returns the sound this mob makes while it's alive.
199 */
200 protected String getLivingSound()
201 {
202 return "mob.zombie.say";
203 }
204
205 /**
206 * Returns the sound this mob makes when it is hurt.
207 */
208 protected String getHurtSound()
209 {
210 return "mob.zombie.hurt";
211 }
212
213 /**
214 * Returns the sound this mob makes on death.
215 */
216 protected String getDeathSound()
217 {
218 return "mob.zombie.death";
219 }
220
221 /**
222 * Plays step sound at given x, y, z for the entity
223 */
224 protected void playStepSound(int par1, int par2, int par3, int par4)
225 {
226 this.func_85030_a("mob.zombie.step", 0.15F, 1.0F);
227 }
228
229 /**
230 * Returns the item ID for the item the mob drops on death.
231 */
232 protected int getDropItemId()
233 {
234 return Item.rottenFlesh.shiftedIndex;
235 }
236
237 /**
238 * Get this Entity's EnumCreatureAttribute
239 */
240 public EnumCreatureAttribute getCreatureAttribute()
241 {
242 return EnumCreatureAttribute.UNDEAD;
243 }
244
245 protected void dropRareDrop(int par1)
246 {
247 switch (this.rand.nextInt(3))
248 {
249 case 0:
250 this.dropItem(Item.ingotIron.shiftedIndex, 1);
251 break;
252 case 1:
253 this.dropItem(Item.carrot.shiftedIndex, 1);
254 break;
255 case 2:
256 this.dropItem(Item.potatoe.shiftedIndex, 1);
257 }
258 }
259
260 protected void func_82164_bB()
261 {
262 super.func_82164_bB();
263
264 if (this.rand.nextFloat() < (this.worldObj.difficultySetting == 3 ? 0.05F : 0.01F))
265 {
266 int var1 = this.rand.nextInt(3);
267
268 if (var1 == 0)
269 {
270 this.setCurrentItemOrArmor(0, new ItemStack(Item.swordSteel));
271 }
272 else
273 {
274 this.setCurrentItemOrArmor(0, new ItemStack(Item.shovelSteel));
275 }
276 }
277 }
278
279 /**
280 * (abstract) Protected helper method to write subclass entity data to NBT.
281 */
282 public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
283 {
284 super.writeEntityToNBT(par1NBTTagCompound);
285
286 if (this.isChild())
287 {
288 par1NBTTagCompound.setBoolean("IsBaby", true);
289 }
290
291 if (this.isVillager())
292 {
293 par1NBTTagCompound.setBoolean("IsVillager", true);
294 }
295
296 par1NBTTagCompound.setInteger("ConversionTime", this.func_82230_o() ? this.conversionTime : -1);
297 }
298
299 /**
300 * (abstract) Protected helper method to read subclass entity data from NBT.
301 */
302 public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
303 {
304 super.readEntityFromNBT(par1NBTTagCompound);
305
306 if (par1NBTTagCompound.getBoolean("IsBaby"))
307 {
308 this.setChild(true);
309 }
310
311 if (par1NBTTagCompound.getBoolean("IsVillager"))
312 {
313 this.setVillager(true);
314 }
315
316 if (par1NBTTagCompound.hasKey("ConversionTime") && par1NBTTagCompound.getInteger("ConversionTime") > -1)
317 {
318 this.startConversion(par1NBTTagCompound.getInteger("ConversionTime"));
319 }
320 }
321
322 /**
323 * This method gets called when the entity kills another one.
324 */
325 public void onKillEntity(EntityLiving par1EntityLiving)
326 {
327 super.onKillEntity(par1EntityLiving);
328
329 if (this.worldObj.difficultySetting >= 2 && par1EntityLiving instanceof EntityVillager)
330 {
331 if (this.worldObj.difficultySetting == 2 && this.rand.nextBoolean())
332 {
333 return;
334 }
335
336 EntityZombie var2 = new EntityZombie(this.worldObj);
337 var2.func_82149_j(par1EntityLiving);
338 this.worldObj.setEntityDead(par1EntityLiving);
339 var2.initCreature();
340 var2.setVillager(true);
341
342 if (par1EntityLiving.isChild())
343 {
344 var2.setChild(true);
345 }
346
347 this.worldObj.spawnEntityInWorld(var2);
348 this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1016, (int)this.posX, (int)this.posY, (int)this.posZ, 0);
349 }
350 }
351
352 /**
353 * Initialize this creature.
354 */
355 public void initCreature()
356 {
357 this.canPickUpLoot = this.rand.nextFloat() < field_82181_as[this.worldObj.difficultySetting];
358
359 if (this.worldObj.rand.nextFloat() < 0.05F)
360 {
361 this.setVillager(true);
362 }
363
364 this.func_82164_bB();
365 this.func_82162_bC();
366
367 if (this.getCurrentItemOrArmor(4) == null)
368 {
369 Calendar var1 = this.worldObj.getCurrentDate();
370
371 if (var1.get(2) + 1 == 10 && var1.get(5) == 31 && this.rand.nextFloat() < 0.25F)
372 {
373 this.setCurrentItemOrArmor(4, new ItemStack(this.rand.nextFloat() < 0.1F ? Block.pumpkinLantern : Block.pumpkin));
374 this.equipmentDropChances[4] = 0.0F;
375 }
376 }
377 }
378
379 /**
380 * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig.
381 */
382 public boolean interact(EntityPlayer par1EntityPlayer)
383 {
384 ItemStack var2 = par1EntityPlayer.getCurrentEquippedItem();
385
386 if (var2 != null && var2.getItem() == Item.appleGold && var2.getItemDamage() == 0 && this.isVillager() && this.isPotionActive(Potion.weakness))
387 {
388 if (!par1EntityPlayer.capabilities.isCreativeMode)
389 {
390 --var2.stackSize;
391 }
392
393 if (var2.stackSize <= 0)
394 {
395 par1EntityPlayer.inventory.setInventorySlotContents(par1EntityPlayer.inventory.currentItem, (ItemStack)null);
396 }
397
398 if (!this.worldObj.isRemote)
399 {
400 this.startConversion(this.rand.nextInt(2401) + 3600);
401 }
402
403 return true;
404 }
405 else
406 {
407 return false;
408 }
409 }
410
411 /**
412 * Starts converting this zombie into a villager. The zombie converts into a villager after the specified time in
413 * ticks.
414 */
415 protected void startConversion(int par1)
416 {
417 this.conversionTime = par1;
418 this.getDataWatcher().updateObject(14, Byte.valueOf((byte)1));
419 this.removePotionEffect(Potion.weakness.id);
420 this.addPotionEffect(new PotionEffect(Potion.damageBoost.id, par1, Math.min(this.worldObj.difficultySetting - 1, 0)));
421 this.worldObj.setEntityState(this, (byte)16);
422 }
423
424 @SideOnly(Side.CLIENT)
425 public void handleHealthUpdate(byte par1)
426 {
427 if (par1 == 16)
428 {
429 this.worldObj.playSound(this.posX + 0.5D, this.posY + 0.5D, this.posZ + 0.5D, "mob.zombie.remedy", 1.0F + this.rand.nextFloat(), this.rand.nextFloat() * 0.7F + 0.3F);
430 }
431 else
432 {
433 super.handleHealthUpdate(par1);
434 }
435 }
436
437 public boolean func_82230_o()
438 {
439 return this.getDataWatcher().getWatchableObjectByte(14) == 1;
440 }
441
442 /**
443 * Convert this zombie into a villager.
444 */
445 protected void convertToVillager()
446 {
447 EntityVillager var1 = new EntityVillager(this.worldObj);
448 var1.func_82149_j(this);
449 var1.initCreature();
450 var1.func_82187_q();
451
452 if (this.isChild())
453 {
454 var1.setGrowingAge(-24000);
455 }
456
457 this.worldObj.setEntityDead(this);
458 this.worldObj.spawnEntityInWorld(var1);
459 var1.addPotionEffect(new PotionEffect(Potion.confusion.id, 200, 0));
460 this.worldObj.playAuxSFXAtEntity((EntityPlayer)null, 1017, (int)this.posX, (int)this.posY, (int)this.posZ, 0);
461 }
462
463 /**
464 * Return the amount of time decremented from conversionTime every tick.
465 */
466 protected int getConversionTimeBoost()
467 {
468 int var1 = 1;
469
470 if (this.rand.nextFloat() < 0.01F)
471 {
472 int var2 = 0;
473
474 for (int var3 = (int)this.posX - 4; var3 < (int)this.posX + 4 && var2 < 14; ++var3)
475 {
476 for (int var4 = (int)this.posY - 4; var4 < (int)this.posY + 4 && var2 < 14; ++var4)
477 {
478 for (int var5 = (int)this.posZ - 4; var5 < (int)this.posZ + 4 && var2 < 14; ++var5)
479 {
480 int var6 = this.worldObj.getBlockId(var3, var4, var5);
481
482 if (var6 == Block.fenceIron.blockID || var6 == Block.bed.blockID)
483 {
484 if (this.rand.nextFloat() < 0.3F)
485 {
486 ++var1;
487 }
488
489 ++var2;
490 }
491 }
492 }
493 }
494 }
495
496 return var1;
497 }
498 }