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KnapsackInventory.java
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KnapsackInventory.java
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package tconstruct.util.player;
import java.lang.ref.WeakReference;
import net.minecraft.entity.Entity;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
public class KnapsackInventory implements IInventory
{
public ItemStack[] inventory = new ItemStack[27];
public WeakReference<EntityPlayer> parent;
public void init (EntityPlayer player)
{
parent = new WeakReference<EntityPlayer>(player);
}
@Override
public ItemStack getStackInSlot (int slot)
{
return inventory[slot];
}
public boolean isStackInSlot (int slot)
{
return inventory[slot] != null;
}
@Override
public int getSizeInventory ()
{
return inventory.length;
}
@Override
public int getInventoryStackLimit ()
{
return 64;
}
public boolean canDropInventorySlot (int slot)
{
return true;
}
@Override
public void setInventorySlotContents (int slot, ItemStack itemstack)
{
inventory[slot] = itemstack;
if (itemstack != null && itemstack.stackSize > getInventoryStackLimit())
{
itemstack.stackSize = getInventoryStackLimit();
}
}
@Override
public ItemStack decrStackSize (int slot, int quantity)
{
if (inventory[slot] != null)
{
if (inventory[slot].stackSize <= quantity)
{
ItemStack stack = inventory[slot];
inventory[slot] = null;
return stack;
}
ItemStack split = inventory[slot].splitStack(quantity);
if (inventory[slot].stackSize == 0)
{
inventory[slot] = null;
}
return split;
}
else
{
return null;
}
}
@Override
public String getInvName ()
{
return "tconstruct.knapsack";
}
@Override
public boolean isInvNameLocalized ()
{
return false;
}
@Override
public void onInventoryChanged ()
{
}
public ItemStack getStackInSlotOnClosing (int slot)
{
return null;
}
public void openChest ()
{
}
public void closeChest ()
{
}
@Override
public boolean isItemValidForSlot (int i, ItemStack itemstack)
{
return true;
}
@Override
public boolean isUseableByPlayer (EntityPlayer entityplayer)
{
return true;
}
/* Save/Load */
public void saveToNBT (EntityPlayer entityplayer)
{
NBTTagCompound tags = entityplayer.getEntityData();
NBTTagList tagList = new NBTTagList();
NBTTagCompound invSlot;
for (int i = 0; i < this.inventory.length; ++i)
{
if (this.inventory[i] != null)
{
invSlot = new NBTTagCompound();
invSlot.setByte("Slot", (byte) i);
this.inventory[i].writeToNBT(invSlot);
tagList.appendTag(invSlot);
}
}
tags.setTag("TConstruct.Knapsack", tagList);
}
public void readFromNBT (EntityPlayer entityplayer)
{
NBTTagCompound tags = entityplayer.getEntityData();
NBTTagList tagList = tags.getTagList("TConstruct.Knapsack");
for (int i = 0; i < tagList.tagCount(); ++i)
{
NBTTagCompound nbttagcompound = (NBTTagCompound) tagList.tagAt(i);
int j = nbttagcompound.getByte("Slot") & 255;
ItemStack itemstack = ItemStack.loadItemStackFromNBT(nbttagcompound);
if (itemstack != null)
{
this.inventory[j] = itemstack;
}
}
}
public void dropItems ()
{
EntityPlayer player = parent.get();
for (int i = 0; i < inventory.length; ++i)
{
if (this.inventory[i] != null)
{
player.dropPlayerItemWithRandomChoice(this.inventory[i], true);
this.inventory[i] = null;
}
}
}
public void unequipItems ()
{
EntityPlayer player = parent.get();
for (int i = 0; i < inventory.length; ++i)
{
if (this.inventory[i] != null)
{
dropItemEntity(player, inventory[i]);
this.inventory[i] = null;
}
}
}
void dropItemEntity (Entity dropper, ItemStack dropStack)
{
EntityItem entityitem = new EntityItem(dropper.worldObj, dropper.posX, dropper.posY, dropper.posZ, dropStack);
dropper.worldObj.spawnEntityInWorld(entityitem);
}
}