001 package net.minecraft.entity.passive;
002
003 import net.minecraft.entity.EntityAgeable;
004 import net.minecraft.entity.ai.EntityAIControlledByPlayer;
005 import net.minecraft.entity.ai.EntityAIFollowParent;
006 import net.minecraft.entity.ai.EntityAILookIdle;
007 import net.minecraft.entity.ai.EntityAIMate;
008 import net.minecraft.entity.ai.EntityAIPanic;
009 import net.minecraft.entity.ai.EntityAISwimming;
010 import net.minecraft.entity.ai.EntityAITempt;
011 import net.minecraft.entity.ai.EntityAIWander;
012 import net.minecraft.entity.ai.EntityAIWatchClosest;
013 import net.minecraft.entity.effect.EntityLightningBolt;
014 import net.minecraft.entity.monster.EntityPigZombie;
015 import net.minecraft.entity.player.EntityPlayer;
016 import net.minecraft.item.Item;
017 import net.minecraft.item.ItemStack;
018 import net.minecraft.nbt.NBTTagCompound;
019 import net.minecraft.stats.AchievementList;
020 import net.minecraft.world.World;
021
022 public class EntityPig extends EntityAnimal
023 {
024 /** AI task for player control. */
025 private final EntityAIControlledByPlayer aiControlledByPlayer;
026
027 public EntityPig(World par1World)
028 {
029 super(par1World);
030 this.texture = "/mob/pig.png";
031 this.setSize(0.9F, 0.9F);
032 this.getNavigator().setAvoidsWater(true);
033 float var2 = 0.25F;
034 this.tasks.addTask(0, new EntityAISwimming(this));
035 this.tasks.addTask(1, new EntityAIPanic(this, 0.38F));
036 this.tasks.addTask(2, this.aiControlledByPlayer = new EntityAIControlledByPlayer(this, 0.34F));
037 this.tasks.addTask(3, new EntityAIMate(this, var2));
038 this.tasks.addTask(4, new EntityAITempt(this, 0.3F, Item.carrotOnAStick.itemID, false));
039 this.tasks.addTask(4, new EntityAITempt(this, 0.3F, Item.carrot.itemID, false));
040 this.tasks.addTask(5, new EntityAIFollowParent(this, 0.28F));
041 this.tasks.addTask(6, new EntityAIWander(this, var2));
042 this.tasks.addTask(7, new EntityAIWatchClosest(this, EntityPlayer.class, 6.0F));
043 this.tasks.addTask(8, new EntityAILookIdle(this));
044 }
045
046 /**
047 * Returns true if the newer Entity AI code should be run
048 */
049 public boolean isAIEnabled()
050 {
051 return true;
052 }
053
054 public int getMaxHealth()
055 {
056 return 10;
057 }
058
059 protected void updateAITasks()
060 {
061 super.updateAITasks();
062 }
063
064 /**
065 * returns true if all the conditions for steering the entity are met. For pigs, this is true if it is being ridden
066 * by a player and the player is holding a carrot-on-a-stick
067 */
068 public boolean canBeSteered()
069 {
070 ItemStack var1 = ((EntityPlayer)this.riddenByEntity).getHeldItem();
071 return var1 != null && var1.itemID == Item.carrotOnAStick.itemID;
072 }
073
074 protected void entityInit()
075 {
076 super.entityInit();
077 this.dataWatcher.addObject(16, Byte.valueOf((byte)0));
078 }
079
080 /**
081 * (abstract) Protected helper method to write subclass entity data to NBT.
082 */
083 public void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
084 {
085 super.writeEntityToNBT(par1NBTTagCompound);
086 par1NBTTagCompound.setBoolean("Saddle", this.getSaddled());
087 }
088
089 /**
090 * (abstract) Protected helper method to read subclass entity data from NBT.
091 */
092 public void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
093 {
094 super.readEntityFromNBT(par1NBTTagCompound);
095 this.setSaddled(par1NBTTagCompound.getBoolean("Saddle"));
096 }
097
098 /**
099 * Returns the sound this mob makes while it's alive.
100 */
101 protected String getLivingSound()
102 {
103 return "mob.pig.say";
104 }
105
106 /**
107 * Returns the sound this mob makes when it is hurt.
108 */
109 protected String getHurtSound()
110 {
111 return "mob.pig.say";
112 }
113
114 /**
115 * Returns the sound this mob makes on death.
116 */
117 protected String getDeathSound()
118 {
119 return "mob.pig.death";
120 }
121
122 /**
123 * Plays step sound at given x, y, z for the entity
124 */
125 protected void playStepSound(int par1, int par2, int par3, int par4)
126 {
127 this.playSound("mob.pig.step", 0.15F, 1.0F);
128 }
129
130 /**
131 * Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig.
132 */
133 public boolean interact(EntityPlayer par1EntityPlayer)
134 {
135 if (super.interact(par1EntityPlayer))
136 {
137 return true;
138 }
139 else if (this.getSaddled() && !this.worldObj.isRemote && (this.riddenByEntity == null || this.riddenByEntity == par1EntityPlayer))
140 {
141 par1EntityPlayer.mountEntity(this);
142 return true;
143 }
144 else
145 {
146 return false;
147 }
148 }
149
150 /**
151 * Returns the item ID for the item the mob drops on death.
152 */
153 protected int getDropItemId()
154 {
155 return this.isBurning() ? Item.porkCooked.itemID : Item.porkRaw.itemID;
156 }
157
158 /**
159 * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param
160 * par2 - Level of Looting used to kill this mob.
161 */
162 protected void dropFewItems(boolean par1, int par2)
163 {
164 int var3 = this.rand.nextInt(3) + 1 + this.rand.nextInt(1 + par2);
165
166 for (int var4 = 0; var4 < var3; ++var4)
167 {
168 if (this.isBurning())
169 {
170 this.dropItem(Item.porkCooked.itemID, 1);
171 }
172 else
173 {
174 this.dropItem(Item.porkRaw.itemID, 1);
175 }
176 }
177
178 if (this.getSaddled())
179 {
180 this.dropItem(Item.saddle.itemID, 1);
181 }
182 }
183
184 /**
185 * Returns true if the pig is saddled.
186 */
187 public boolean getSaddled()
188 {
189 return (this.dataWatcher.getWatchableObjectByte(16) & 1) != 0;
190 }
191
192 /**
193 * Set or remove the saddle of the pig.
194 */
195 public void setSaddled(boolean par1)
196 {
197 if (par1)
198 {
199 this.dataWatcher.updateObject(16, Byte.valueOf((byte)1));
200 }
201 else
202 {
203 this.dataWatcher.updateObject(16, Byte.valueOf((byte)0));
204 }
205 }
206
207 /**
208 * Called when a lightning bolt hits the entity.
209 */
210 public void onStruckByLightning(EntityLightningBolt par1EntityLightningBolt)
211 {
212 if (!this.worldObj.isRemote)
213 {
214 EntityPigZombie var2 = new EntityPigZombie(this.worldObj);
215 var2.setLocationAndAngles(this.posX, this.posY, this.posZ, this.rotationYaw, this.rotationPitch);
216 this.worldObj.spawnEntityInWorld(var2);
217 this.setDead();
218 }
219 }
220
221 /**
222 * Called when the mob is falling. Calculates and applies fall damage.
223 */
224 protected void fall(float par1)
225 {
226 super.fall(par1);
227
228 if (par1 > 5.0F && this.riddenByEntity instanceof EntityPlayer)
229 {
230 ((EntityPlayer)this.riddenByEntity).triggerAchievement(AchievementList.flyPig);
231 }
232 }
233
234 /**
235 * This function is used when two same-species animals in 'love mode' breed to generate the new baby animal.
236 */
237 public EntityPig spawnBabyAnimal(EntityAgeable par1EntityAgeable)
238 {
239 return new EntityPig(this.worldObj);
240 }
241
242 /**
243 * Checks if the parameter is an item which this animal can be fed to breed it (wheat, carrots or seeds depending on
244 * the animal type)
245 */
246 public boolean isBreedingItem(ItemStack par1ItemStack)
247 {
248 return par1ItemStack != null && par1ItemStack.itemID == Item.carrot.itemID;
249 }
250
251 /**
252 * Return the AI task for player control.
253 */
254 public EntityAIControlledByPlayer getAIControlledByPlayer()
255 {
256 return this.aiControlledByPlayer;
257 }
258
259 public EntityAgeable createChild(EntityAgeable par1EntityAgeable)
260 {
261 return this.spawnBabyAnimal(par1EntityAgeable);
262 }
263 }