001 package net.minecraft.entity.monster; 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.entity.EntityLiving; 008 import net.minecraft.entity.IRangedAttackMob; 009 import net.minecraft.entity.ai.EntityAIArrowAttack; 010 import net.minecraft.entity.ai.EntityAIHurtByTarget; 011 import net.minecraft.entity.ai.EntityAILookIdle; 012 import net.minecraft.entity.ai.EntityAINearestAttackableTarget; 013 import net.minecraft.entity.ai.EntityAISwimming; 014 import net.minecraft.entity.ai.EntityAIWander; 015 import net.minecraft.entity.ai.EntityAIWatchClosest; 016 import net.minecraft.entity.player.EntityPlayer; 017 import net.minecraft.entity.projectile.EntityPotion; 018 import net.minecraft.item.Item; 019 import net.minecraft.item.ItemStack; 020 import net.minecraft.potion.Potion; 021 import net.minecraft.potion.PotionEffect; 022 import net.minecraft.util.DamageSource; 023 import net.minecraft.util.MathHelper; 024 import net.minecraft.world.World; 025 026 public class EntityWitch extends EntityMob implements IRangedAttackMob 027 { 028 /** List of items a witch should drop on death. */ 029 private static final int[] witchDrops = new int[] {Item.lightStoneDust.itemID, Item.sugar.itemID, Item.redstone.itemID, Item.spiderEye.itemID, Item.glassBottle.itemID, Item.gunpowder.itemID, Item.stick.itemID, Item.stick.itemID}; 030 031 /** 032 * Timer used as interval for a witch's attack, decremented every tick if aggressive and when reaches zero the witch 033 * will throw a potion at the target entity. 034 */ 035 private int witchAttackTimer = 0; 036 037 public EntityWitch(World par1World) 038 { 039 super(par1World); 040 this.texture = "/mob/villager/witch.png"; 041 this.moveSpeed = 0.25F; 042 this.tasks.addTask(1, new EntityAISwimming(this)); 043 this.tasks.addTask(2, new EntityAIArrowAttack(this, this.moveSpeed, 60, 10.0F)); 044 this.tasks.addTask(2, new EntityAIWander(this, this.moveSpeed)); 045 this.tasks.addTask(3, new EntityAIWatchClosest(this, EntityPlayer.class, 8.0F)); 046 this.tasks.addTask(3, new EntityAILookIdle(this)); 047 this.targetTasks.addTask(1, new EntityAIHurtByTarget(this, false)); 048 this.targetTasks.addTask(2, new EntityAINearestAttackableTarget(this, EntityPlayer.class, 16.0F, 0, true)); 049 } 050 051 protected void entityInit() 052 { 053 super.entityInit(); 054 this.getDataWatcher().addObject(21, Byte.valueOf((byte)0)); 055 } 056 057 /** 058 * Returns the sound this mob makes while it's alive. 059 */ 060 protected String getLivingSound() 061 { 062 return "mob.witch.idle"; 063 } 064 065 /** 066 * Returns the sound this mob makes when it is hurt. 067 */ 068 protected String getHurtSound() 069 { 070 return "mob.witch.hurt"; 071 } 072 073 /** 074 * Returns the sound this mob makes on death. 075 */ 076 protected String getDeathSound() 077 { 078 return "mob.witch.death"; 079 } 080 081 /** 082 * Set whether this witch is aggressive at an entity. 083 */ 084 public void setAggressive(boolean par1) 085 { 086 this.getDataWatcher().updateObject(21, Byte.valueOf((byte)(par1 ? 1 : 0))); 087 } 088 089 /** 090 * Return whether this witch is aggressive at an entity. 091 */ 092 public boolean getAggressive() 093 { 094 return this.getDataWatcher().getWatchableObjectByte(21) == 1; 095 } 096 097 public int getMaxHealth() 098 { 099 return 26; 100 } 101 102 /** 103 * Returns true if the newer Entity AI code should be run 104 */ 105 public boolean isAIEnabled() 106 { 107 return true; 108 } 109 110 /** 111 * Called frequently so the entity can update its state every tick as required. For example, zombies and skeletons 112 * use this to react to sunlight and start to burn. 113 */ 114 public void onLivingUpdate() 115 { 116 if (!this.worldObj.isRemote) 117 { 118 if (this.getAggressive()) 119 { 120 if (this.witchAttackTimer-- <= 0) 121 { 122 this.setAggressive(false); 123 ItemStack var1 = this.getHeldItem(); 124 this.setCurrentItemOrArmor(0, (ItemStack)null); 125 126 if (var1 != null && var1.itemID == Item.potion.itemID) 127 { 128 List var2 = Item.potion.getEffects(var1); 129 130 if (var2 != null) 131 { 132 Iterator var3 = var2.iterator(); 133 134 while (var3.hasNext()) 135 { 136 PotionEffect var4 = (PotionEffect)var3.next(); 137 this.addPotionEffect(new PotionEffect(var4)); 138 } 139 } 140 } 141 } 142 } 143 else 144 { 145 short var5 = -1; 146 147 if (this.rand.nextFloat() < 0.15F && this.isBurning() && !this.isPotionActive(Potion.fireResistance)) 148 { 149 var5 = 16307; 150 } 151 else if (this.rand.nextFloat() < 0.05F && this.health < this.getMaxHealth()) 152 { 153 var5 = 16341; 154 } 155 else if (this.rand.nextFloat() < 0.25F && this.getAttackTarget() != null && !this.isPotionActive(Potion.moveSpeed) && this.getAttackTarget().getDistanceSqToEntity(this) > 121.0D) 156 { 157 var5 = 16274; 158 } 159 else if (this.rand.nextFloat() < 0.25F && this.getAttackTarget() != null && !this.isPotionActive(Potion.moveSpeed) && this.getAttackTarget().getDistanceSqToEntity(this) > 121.0D) 160 { 161 var5 = 16274; 162 } 163 164 if (var5 > -1) 165 { 166 this.setCurrentItemOrArmor(0, new ItemStack(Item.potion, 1, var5)); 167 this.witchAttackTimer = this.getHeldItem().getMaxItemUseDuration(); 168 this.setAggressive(true); 169 } 170 } 171 172 if (this.rand.nextFloat() < 7.5E-4F) 173 { 174 this.worldObj.setEntityState(this, (byte)15); 175 } 176 } 177 178 super.onLivingUpdate(); 179 } 180 181 /** 182 * Reduces damage, depending on potions 183 */ 184 protected int applyPotionDamageCalculations(DamageSource par1DamageSource, int par2) 185 { 186 par2 = super.applyPotionDamageCalculations(par1DamageSource, par2); 187 188 if (par1DamageSource.getEntity() == this) 189 { 190 par2 = 0; 191 } 192 193 if (par1DamageSource.isMagicDamage()) 194 { 195 par2 = (int)((double)par2 * 0.15D); 196 } 197 198 return par2; 199 } 200 201 @SideOnly(Side.CLIENT) 202 public void handleHealthUpdate(byte par1) 203 { 204 if (par1 == 15) 205 { 206 for (int var2 = 0; var2 < this.rand.nextInt(35) + 10; ++var2) 207 { 208 this.worldObj.spawnParticle("witchMagic", this.posX + this.rand.nextGaussian() * 0.12999999523162842D, this.boundingBox.maxY + 0.5D + this.rand.nextGaussian() * 0.12999999523162842D, this.posZ + this.rand.nextGaussian() * 0.12999999523162842D, 0.0D, 0.0D, 0.0D); 209 } 210 } 211 else 212 { 213 super.handleHealthUpdate(par1); 214 } 215 } 216 217 /** 218 * This method returns a value to be applied directly to entity speed, this factor is less than 1 when a slowdown 219 * potion effect is applied, more than 1 when a haste potion effect is applied and 2 for fleeing entities. 220 */ 221 public float getSpeedModifier() 222 { 223 float var1 = super.getSpeedModifier(); 224 225 if (this.getAggressive()) 226 { 227 var1 *= 0.75F; 228 } 229 230 return var1; 231 } 232 233 /** 234 * Drop 0-2 items of this living's type. @param par1 - Whether this entity has recently been hit by a player. @param 235 * par2 - Level of Looting used to kill this mob. 236 */ 237 protected void dropFewItems(boolean par1, int par2) 238 { 239 int var3 = this.rand.nextInt(3) + 1; 240 241 for (int var4 = 0; var4 < var3; ++var4) 242 { 243 int var5 = this.rand.nextInt(3); 244 int var6 = witchDrops[this.rand.nextInt(witchDrops.length)]; 245 246 if (par2 > 0) 247 { 248 var5 += this.rand.nextInt(par2 + 1); 249 } 250 251 for (int var7 = 0; var7 < var5; ++var7) 252 { 253 this.dropItem(var6, 1); 254 } 255 } 256 } 257 258 /** 259 * Attack the specified entity using a ranged attack. 260 */ 261 public void attackEntityWithRangedAttack(EntityLiving par1EntityLiving) 262 { 263 if (!this.getAggressive()) 264 { 265 EntityPotion var2 = new EntityPotion(this.worldObj, this, 32732); 266 var2.rotationPitch -= -20.0F; 267 double var3 = par1EntityLiving.posX + par1EntityLiving.motionX - this.posX; 268 double var5 = par1EntityLiving.posY + (double)par1EntityLiving.getEyeHeight() - 1.100000023841858D - this.posY; 269 double var7 = par1EntityLiving.posZ + par1EntityLiving.motionZ - this.posZ; 270 float var9 = MathHelper.sqrt_double(var3 * var3 + var7 * var7); 271 272 if (var9 >= 8.0F && !par1EntityLiving.isPotionActive(Potion.moveSlowdown)) 273 { 274 var2.setPotionDamage(32698); 275 } 276 else if (par1EntityLiving.getHealth() >= 8 && !par1EntityLiving.isPotionActive(Potion.poison)) 277 { 278 var2.setPotionDamage(32660); 279 } 280 else if (var9 <= 3.0F && !par1EntityLiving.isPotionActive(Potion.weakness) && this.rand.nextFloat() < 0.25F) 281 { 282 var2.setPotionDamage(32696); 283 } 284 285 var2.setThrowableHeading(var3, var5 + (double)(var9 * 0.2F), var7, 0.75F, 8.0F); 286 this.worldObj.spawnEntityInWorld(var2); 287 } 288 } 289 }