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InventoryCopy.java
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InventoryCopy.java
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/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.core.inventory;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
/**
* Creates a deep copy of an existing IInventory.
*
* Useful for performing inventory manipulations and then examining the results
* without affecting the original inventory.
*/
public class InventoryCopy implements IInventory {
private IInventory orignal;
private ItemStack contents[];
public InventoryCopy(IInventory orignal) {
this.orignal = orignal;
contents = new ItemStack[orignal.getSizeInventory()];
for (int i = 0; i < contents.length; i++) {
ItemStack stack = orignal.getStackInSlot(i);
if (stack != null) {
contents[i] = stack.copy();
}
}
}
@Override
public int getSizeInventory() {
return contents.length;
}
@Override
public ItemStack getStackInSlot(int i) {
return contents[i];
}
@Override
public ItemStack decrStackSize(int i, int j) {
if (contents[i] != null) {
if (contents[i].stackSize <= j) {
ItemStack itemstack = contents[i];
contents[i] = null;
return itemstack;
}
ItemStack itemstack1 = contents[i].splitStack(j);
if (contents[i].stackSize <= 0) {
contents[i] = null;
}
return itemstack1;
} else {
return null;
}
}
@Override
public void setInventorySlotContents(int i, ItemStack itemstack) {
contents[i] = itemstack;
if (itemstack != null && itemstack.stackSize > getInventoryStackLimit()) {
itemstack.stackSize = getInventoryStackLimit();
}
}
@Override
public String getInventoryName() {
return orignal.getInventoryName();
}
@Override
public int getInventoryStackLimit() {
return orignal.getInventoryStackLimit();
}
@Override
public boolean isUseableByPlayer(EntityPlayer entityplayer) {
return true;
}
@Override
public void openInventory() {
}
@Override
public void closeInventory() {
}
@Override
public ItemStack getStackInSlotOnClosing(int slot) {
return orignal.getStackInSlotOnClosing(slot);
}
@Override
public boolean isItemValidForSlot(int slot, ItemStack stack) {
return orignal.isItemValidForSlot(slot, stack);
}
public ItemStack[] getItemStacks() {
return contents;
}
@Override
public boolean hasCustomInventoryName() {
return false;
}
@Override
public void markDirty() {
}
}