package net.minecraft.entity.item;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.util.DamageSource;
import net.minecraft.world.World;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.event.entity.minecart.MinecartInteractEvent;
public abstract class EntityMinecartContainer extends EntityMinecart implements IInventory
{
private ItemStack[] minecartContainerItems = new ItemStack[36];
/**
* When set to true, the minecart will drop all items when setDead() is called. When false (such as when travelling
* dimensions) it preserves its contents.
*/
private boolean dropContentsWhenDead = true;
public EntityMinecartContainer(World par1World)
{
super(par1World);
}
public EntityMinecartContainer(World par1World, double par2, double par4, double par6)
{
super(par1World, par2, par4, par6);
}
public void killMinecart(DamageSource par1DamageSource)
{
super.killMinecart(par1DamageSource);
for (int i = 0; i < this.getSizeInventory(); ++i)
{
ItemStack itemstack = this.getStackInSlot(i);
if (itemstack != null)
{
float f = this.rand.nextFloat() * 0.8F + 0.1F;
float f1 = this.rand.nextFloat() * 0.8F + 0.1F;
float f2 = this.rand.nextFloat() * 0.8F + 0.1F;
while (itemstack.stackSize > 0)
{
int j = this.rand.nextInt(21) + 10;
if (j > itemstack.stackSize)
{
j = itemstack.stackSize;
}
itemstack.stackSize -= j;
EntityItem entityitem = new EntityItem(this.worldObj, this.posX + (double)f, this.posY + (double)f1, this.posZ + (double)f2, new ItemStack(itemstack.itemID, j, itemstack.getItemDamage()));
float f3 = 0.05F;
entityitem.motionX = (double)((float)this.rand.nextGaussian() * f3);
entityitem.motionY = (double)((float)this.rand.nextGaussian() * f3 + 0.2F);
entityitem.motionZ = (double)((float)this.rand.nextGaussian() * f3);
this.worldObj.spawnEntityInWorld(entityitem);
}
}
}
}
/**
* Returns the stack in slot i
*/
public ItemStack getStackInSlot(int par1)
{
return this.minecartContainerItems[par1];
}
/**
* Removes from an inventory slot (first arg) up to a specified number (second arg) of items and returns them in a
* new stack.
*/
public ItemStack decrStackSize(int par1, int par2)
{
if (this.minecartContainerItems[par1] != null)
{
ItemStack itemstack;
if (this.minecartContainerItems[par1].stackSize <= par2)
{
itemstack = this.minecartContainerItems[par1];
this.minecartContainerItems[par1] = null;
return itemstack;
}
else
{
itemstack = this.minecartContainerItems[par1].splitStack(par2);
if (this.minecartContainerItems[par1].stackSize == 0)
{
this.minecartContainerItems[par1] = null;
}
return itemstack;
}
}
else
{
return null;
}
}
/**
* When some containers are closed they call this on each slot, then drop whatever it returns as an EntityItem -
* like when you close a workbench GUI.
*/
public ItemStack getStackInSlotOnClosing(int par1)
{
if (this.minecartContainerItems[par1] != null)
{
ItemStack itemstack = this.minecartContainerItems[par1];
this.minecartContainerItems[par1] = null;
return itemstack;
}
else
{
return null;
}
}
/**
* Sets the given item stack to the specified slot in the inventory (can be crafting or armor sections).
*/
public void setInventorySlotContents(int par1, ItemStack par2ItemStack)
{
this.minecartContainerItems[par1] = par2ItemStack;
if (par2ItemStack != null && par2ItemStack.stackSize > this.getInventoryStackLimit())
{
par2ItemStack.stackSize = this.getInventoryStackLimit();
}
}
/**
* Called when an the contents of an Inventory change, usually
*/
public void onInventoryChanged() {}
/**
* Do not make give this method the name canInteractWith because it clashes with Container
*/
public boolean isUseableByPlayer(EntityPlayer par1EntityPlayer)
{
return this.isDead ? false : par1EntityPlayer.getDistanceSqToEntity(this) <= 64.0D;
}
public void openChest() {}
public void closeChest() {}
/**
* Returns true if automation is allowed to insert the given stack (ignoring stack size) into the given slot.
*/
public boolean isStackValidForSlot(int par1, ItemStack par2ItemStack)
{
return true;
}
/**
* Returns the name of the inventory.
*/
public String getInvName()
{
return this.isInvNameLocalized() ? this.func_95999_t() : "container.minecart";
}
/**
* Returns the maximum stack size for a inventory slot. Seems to always be 64, possibly will be extended. *Isn't
* this more of a set than a get?*
*/
public int getInventoryStackLimit()
{
return 64;
}
/**
* Teleports the entity to another dimension. Params: Dimension number to teleport to
*/
public void travelToDimension(int par1)
{
this.dropContentsWhenDead = false;
super.travelToDimension(par1);
}
/**
* Will get destroyed next tick.
*/
public void setDead()
{
if (this.dropContentsWhenDead)
{
for (int i = 0; i < this.getSizeInventory(); ++i)
{
ItemStack itemstack = this.getStackInSlot(i);
if (itemstack != null)
{
float f = this.rand.nextFloat() * 0.8F + 0.1F;
float f1 = this.rand.nextFloat() * 0.8F + 0.1F;
float f2 = this.rand.nextFloat() * 0.8F + 0.1F;
while (itemstack.stackSize > 0)
{
int j = this.rand.nextInt(21) + 10;
if (j > itemstack.stackSize)
{
j = itemstack.stackSize;
}
itemstack.stackSize -= j;
EntityItem entityitem = new EntityItem(this.worldObj, this.posX + (double)f, this.posY + (double)f1, this.posZ + (double)f2, new ItemStack(itemstack.itemID, j, itemstack.getItemDamage()));
if (itemstack.hasTagCompound())
{
entityitem.getEntityItem().setTagCompound((NBTTagCompound)itemstack.getTagCompound().copy());
}
float f3 = 0.05F;
entityitem.motionX = (double)((float)this.rand.nextGaussian() * f3);
entityitem.motionY = (double)((float)this.rand.nextGaussian() * f3 + 0.2F);
entityitem.motionZ = (double)((float)this.rand.nextGaussian() * f3);
this.worldObj.spawnEntityInWorld(entityitem);
}
}
}
}
super.setDead();
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
protected void writeEntityToNBT(NBTTagCompound par1NBTTagCompound)
{
super.writeEntityToNBT(par1NBTTagCompound);
NBTTagList nbttaglist = new NBTTagList();
for (int i = 0; i < this.minecartContainerItems.length; ++i)
{
if (this.minecartContainerItems[i] != null)
{
NBTTagCompound nbttagcompound1 = new NBTTagCompound();
nbttagcompound1.setByte("Slot", (byte)i);
this.minecartContainerItems[i].writeToNBT(nbttagcompound1);
nbttaglist.appendTag(nbttagcompound1);
}
}
par1NBTTagCompound.setTag("Items", nbttaglist);
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
protected void readEntityFromNBT(NBTTagCompound par1NBTTagCompound)
{
super.readEntityFromNBT(par1NBTTagCompound);
NBTTagList nbttaglist = par1NBTTagCompound.getTagList("Items");
this.minecartContainerItems = new ItemStack[this.getSizeInventory()];
for (int i = 0; i < nbttaglist.tagCount(); ++i)
{
NBTTagCompound nbttagcompound1 = (NBTTagCompound)nbttaglist.tagAt(i);
int j = nbttagcompound1.getByte("Slot") & 255;
if (j >= 0 && j < this.minecartContainerItems.length)
{
this.minecartContainerItems[j] = ItemStack.loadItemStackFromNBT(nbttagcompound1);
}
}
}
/**
* Called when a player interacts with a mob. e.g. gets milk from a cow, gets into the saddle on a pig.
*/
public boolean interact(EntityPlayer par1EntityPlayer)
{
if(MinecraftForge.EVENT_BUS.post(new MinecartInteractEvent(this, par1EntityPlayer)))
{
return true;
}
if (!this.worldObj.isRemote)
{
par1EntityPlayer.displayGUIChest(this);
}
return true;
}
protected void applyDrag()
{
int i = 15 - Container.calcRedstoneFromInventory(this);
float f = 0.98F + (float)i * 0.001F;
this.motionX *= (double)f;
this.motionY *= 0.0D;
this.motionZ *= (double)f;
}
}