package net.minecraft.entity.item;
import java.util.Iterator;
import net.minecraft.block.material.Material;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.init.Items;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.stats.AchievementList;
import net.minecraft.util.BlockPos;
import net.minecraft.util.DamageSource;
import net.minecraft.util.MathHelper;
import net.minecraft.util.StatCollector;
import net.minecraft.world.World;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class EntityItem extends Entity
{
private static final Logger logger = LogManager.getLogger();
/**
* The age of this EntityItem (used to animate it up and down as well as expire it)
*/
private int age;
private int delayBeforeCanPickup;
/** The health of this EntityItem. (For example, damage for tools) */
private int health;
private String thrower;
private String owner;
/** The EntityItem's random initial float height. */
public float hoverStart;
private static final String __OBFID = "CL_00001669";
public EntityItem(World worldIn, double x, double y, double z)
{
super(worldIn);
this.health = 5;
this.hoverStart = (float)(Math.random() * Math.PI * 2.0D);
this.setSize(0.25F, 0.25F);
this.setPosition(x, y, z);
this.rotationYaw = (float)(Math.random() * 360.0D);
this.motionX = (double)((float)(Math.random() * 0.20000000298023224D - 0.10000000149011612D));
this.motionY = 0.20000000298023224D;
this.motionZ = (double)((float)(Math.random() * 0.20000000298023224D - 0.10000000149011612D));
}
public EntityItem(World worldIn, double x, double y, double z, ItemStack stack)
{
this(worldIn, x, y, z);
this.setEntityItemStack(stack);
}
/**
* returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
* prevent them from trampling crops
*/
protected boolean canTriggerWalking()
{
return false;
}
public EntityItem(World worldIn)
{
super(worldIn);
this.health = 5;
this.hoverStart = (float)(Math.random() * Math.PI * 2.0D);
this.setSize(0.25F, 0.25F);
this.setEntityItemStack(new ItemStack(Blocks.air, 0));
}
protected void entityInit()
{
this.getDataWatcher().addObjectByDataType(10, 5);
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
if (this.getEntityItem() == null)
{
this.setDead();
}
else
{
super.onUpdate();
if (this.delayBeforeCanPickup > 0 && this.delayBeforeCanPickup != 32767)
{
--this.delayBeforeCanPickup;
}
this.prevPosX = this.posX;
this.prevPosY = this.posY;
this.prevPosZ = this.posZ;
this.motionY -= 0.03999999910593033D;
this.noClip = this.pushOutOfBlocks(this.posX, (this.getEntityBoundingBox().minY + this.getEntityBoundingBox().maxY) / 2.0D, this.posZ);
this.moveEntity(this.motionX, this.motionY, this.motionZ);
boolean var1 = (int)this.prevPosX != (int)this.posX || (int)this.prevPosY != (int)this.posY || (int)this.prevPosZ != (int)this.posZ;
if (var1 || this.ticksExisted % 25 == 0)
{
if (this.worldObj.getBlockState(new BlockPos(this)).getBlock().getMaterial() == Material.lava)
{
this.motionY = 0.20000000298023224D;
this.motionX = (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F);
this.motionZ = (double)((this.rand.nextFloat() - this.rand.nextFloat()) * 0.2F);
this.playSound("random.fizz", 0.4F, 2.0F + this.rand.nextFloat() * 0.4F);
}
if (!this.worldObj.isRemote)
{
this.searchForOtherItemsNearby();
}
}
float var2 = 0.98F;
if (this.onGround)
{
var2 = this.worldObj.getBlockState(new BlockPos(MathHelper.floor_double(this.posX), MathHelper.floor_double(this.getEntityBoundingBox().minY) - 1, MathHelper.floor_double(this.posZ))).getBlock().slipperiness * 0.98F;
}
this.motionX *= (double)var2;
this.motionY *= 0.9800000190734863D;
this.motionZ *= (double)var2;
if (this.onGround)
{
this.motionY *= -0.5D;
}
if (this.age != -32768)
{
++this.age;
}
this.handleWaterMovement();
if (!this.worldObj.isRemote && this.age >= 6000)
{
this.setDead();
}
}
}
/**
* Looks for other itemstacks nearby and tries to stack them together
*/
private void searchForOtherItemsNearby()
{
Iterator var1 = this.worldObj.getEntitiesWithinAABB(EntityItem.class, this.getEntityBoundingBox().expand(0.5D, 0.0D, 0.5D)).iterator();
while (var1.hasNext())
{
EntityItem var2 = (EntityItem)var1.next();
this.combineItems(var2);
}
}
/**
* Tries to merge this item with the item passed as the parameter. Returns true if successful. Either this item or
* the other item will be removed from the world.
*/
private boolean combineItems(EntityItem other)
{
if (other == this)
{
return false;
}
else if (other.isEntityAlive() && this.isEntityAlive())
{
ItemStack var2 = this.getEntityItem();
ItemStack var3 = other.getEntityItem();
if (this.delayBeforeCanPickup != 32767 && other.delayBeforeCanPickup != 32767)
{
if (this.age != -32768 && other.age != -32768)
{
if (var3.getItem() != var2.getItem())
{
return false;
}
else if (var3.hasTagCompound() ^ var2.hasTagCompound())
{
return false;
}
else if (var3.hasTagCompound() && !var3.getTagCompound().equals(var2.getTagCompound()))
{
return false;
}
else if (var3.getItem() == null)
{
return false;
}
else if (var3.getItem().getHasSubtypes() && var3.getMetadata() != var2.getMetadata())
{
return false;
}
else if (var3.stackSize < var2.stackSize)
{
return other.combineItems(this);
}
else if (var3.stackSize + var2.stackSize > var3.getMaxStackSize())
{
return false;
}
else
{
var3.stackSize += var2.stackSize;
other.delayBeforeCanPickup = Math.max(other.delayBeforeCanPickup, this.delayBeforeCanPickup);
other.age = Math.min(other.age, this.age);
other.setEntityItemStack(var3);
this.setDead();
return true;
}
}
else
{
return false;
}
}
else
{
return false;
}
}
else
{
return false;
}
}
/**
* sets the age of the item so that it'll despawn one minute after it has been dropped (instead of five). Used when
* items are dropped from players in creative mode
*/
public void setAgeToCreativeDespawnTime()
{
this.age = 4800;
}
/**
* Returns if this entity is in water and will end up adding the waters velocity to the entity
*/
public boolean handleWaterMovement()
{
if (this.worldObj.handleMaterialAcceleration(this.getEntityBoundingBox(), Material.water, this))
{
if (!this.inWater && !this.firstUpdate)
{
this.resetHeight();
}
this.inWater = true;
}
else
{
this.inWater = false;
}
return this.inWater;
}
/**
* Will deal the specified amount of damage to the entity if the entity isn't immune to fire damage. Args:
* amountDamage
*/
protected void dealFireDamage(int amount)
{
this.attackEntityFrom(DamageSource.inFire, (float)amount);
}
/**
* Called when the entity is attacked.
*/
public boolean attackEntityFrom(DamageSource source, float amount)
{
if (this.func_180431_b(source))
{
return false;
}
else if (this.getEntityItem() != null && this.getEntityItem().getItem() == Items.nether_star && source.isExplosion())
{
return false;
}
else
{
this.setBeenAttacked();
this.health = (int)((float)this.health - amount);
if (this.health <= 0)
{
this.setDead();
}
return false;
}
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound tagCompound)
{
tagCompound.setShort("Health", (short)((byte)this.health));
tagCompound.setShort("Age", (short)this.age);
tagCompound.setShort("PickupDelay", (short)this.delayBeforeCanPickup);
if (this.getThrower() != null)
{
tagCompound.setString("Thrower", this.thrower);
}
if (this.getOwner() != null)
{
tagCompound.setString("Owner", this.owner);
}
if (this.getEntityItem() != null)
{
tagCompound.setTag("Item", this.getEntityItem().writeToNBT(new NBTTagCompound()));
}
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound tagCompund)
{
this.health = tagCompund.getShort("Health") & 255;
this.age = tagCompund.getShort("Age");
if (tagCompund.hasKey("PickupDelay"))
{
this.delayBeforeCanPickup = tagCompund.getShort("PickupDelay");
}
if (tagCompund.hasKey("Owner"))
{
this.owner = tagCompund.getString("Owner");
}
if (tagCompund.hasKey("Thrower"))
{
this.thrower = tagCompund.getString("Thrower");
}
NBTTagCompound var2 = tagCompund.getCompoundTag("Item");
this.setEntityItemStack(ItemStack.loadItemStackFromNBT(var2));
if (this.getEntityItem() == null)
{
this.setDead();
}
}
/**
* Called by a player entity when they collide with an entity
*/
public void onCollideWithPlayer(EntityPlayer entityIn)
{
if (!this.worldObj.isRemote)
{
ItemStack var2 = this.getEntityItem();
int var3 = var2.stackSize;
if (this.delayBeforeCanPickup == 0 && (this.owner == null || 6000 - this.age <= 200 || this.owner.equals(entityIn.getName())) && entityIn.inventory.addItemStackToInventory(var2))
{
if (var2.getItem() == Item.getItemFromBlock(Blocks.log))
{
entityIn.triggerAchievement(AchievementList.mineWood);
}
if (var2.getItem() == Item.getItemFromBlock(Blocks.log2))
{
entityIn.triggerAchievement(AchievementList.mineWood);
}
if (var2.getItem() == Items.leather)
{
entityIn.triggerAchievement(AchievementList.killCow);
}
if (var2.getItem() == Items.diamond)
{
entityIn.triggerAchievement(AchievementList.diamonds);
}
if (var2.getItem() == Items.blaze_rod)
{
entityIn.triggerAchievement(AchievementList.blazeRod);
}
if (var2.getItem() == Items.diamond && this.getThrower() != null)
{
EntityPlayer var4 = this.worldObj.getPlayerEntityByName(this.getThrower());
if (var4 != null && var4 != entityIn)
{
var4.triggerAchievement(AchievementList.diamondsToYou);
}
}
if (!this.isSlient())
{
this.worldObj.playSoundAtEntity(entityIn, "random.pop", 0.2F, ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.7F + 1.0F) * 2.0F);
}
entityIn.onItemPickup(this, var3);
if (var2.stackSize <= 0)
{
this.setDead();
}
}
}
}
/**
* Gets the name of this command sender (usually username, but possibly "Rcon")
*/
public String getName()
{
return this.hasCustomName() ? this.getCustomNameTag() : StatCollector.translateToLocal("item." + this.getEntityItem().getUnlocalizedName());
}
/**
* If returns false, the item will not inflict any damage against entities.
*/
public boolean canAttackWithItem()
{
return false;
}
/**
* Teleports the entity to another dimension. Params: Dimension number to teleport to
*/
public void travelToDimension(int dimensionId)
{
super.travelToDimension(dimensionId);
if (!this.worldObj.isRemote)
{
this.searchForOtherItemsNearby();
}
}
/**
* Returns the ItemStack corresponding to the Entity (Note: if no item exists, will log an error but still return an
* ItemStack containing Block.stone)
*/
public ItemStack getEntityItem()
{
ItemStack var1 = this.getDataWatcher().getWatchableObjectItemStack(10);
if (var1 == null)
{
if (this.worldObj != null)
{
logger.error("Item entity " + this.getEntityId() + " has no item?!");
}
return new ItemStack(Blocks.stone);
}
else
{
return var1;
}
}
/**
* Sets the ItemStack for this entity
*/
public void setEntityItemStack(ItemStack stack)
{
this.getDataWatcher().updateObject(10, stack);
this.getDataWatcher().setObjectWatched(10);
}
public String getOwner()
{
return this.owner;
}
public void setOwner(String owner)
{
this.owner = owner;
}
public String getThrower()
{
return this.thrower;
}
public void setThrower(String thrower)
{
this.thrower = thrower;
}
public void setDefaultPickupDelay()
{
this.delayBeforeCanPickup = 10;
}
public void setNoPickupDelay()
{
this.delayBeforeCanPickup = 0;
}
public void setInfinitePickupDelay()
{
this.delayBeforeCanPickup = 32767;
}
public void setPickupDelay(int ticks)
{
this.delayBeforeCanPickup = ticks;
}
public boolean func_174874_s()
{
return this.delayBeforeCanPickup > 0;
}
public void func_174873_u()
{
this.age = -6000;
}
public void func_174870_v()
{
this.setInfinitePickupDelay();
this.age = 5999;
}
}