Applied-Energistics-2-tiler.../src/main/java/appeng/tile/inventory/AppEngInternalInventory.java

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/*
* This file is part of Applied Energistics 2.
* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
*
* Applied Energistics 2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Applied Energistics 2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
*/
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package appeng.tile.inventory;
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import java.util.Iterator;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
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import appeng.api.storage.IMEInventory;
import appeng.core.AELog;
import appeng.me.storage.MEIInventoryWrapper;
import appeng.util.Platform;
import appeng.util.iterators.InvIterator;
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public class AppEngInternalInventory implements IInventory, Iterable<ItemStack>
{
protected final int size;
protected final ItemStack[] inv;
public boolean enableClientEvents = false;
protected IAEAppEngInventory te;
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protected int maxStack;
public AppEngInternalInventory( IAEAppEngInventory inventory, int size )
{
this.te = inventory;
this.size = size;
this.maxStack = 64;
this.inv = new ItemStack[size];
}
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public IMEInventory getMEInventory()
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{
return new MEIInventoryWrapper( this, null );
}
public boolean isEmpty()
{
for( int x = 0; x < this.size; x++ )
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{
if( this.getStackInSlot( x ) != null )
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{
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return false;
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}
}
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return true;
}
@Override
public int getSizeInventory()
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{
return this.size;
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}
@Override
public ItemStack getStackInSlot( int var1 )
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{
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return this.inv[var1];
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}
@Override
public ItemStack decrStackSize( int slot, int qty )
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{
if( this.inv[slot] != null )
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{
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ItemStack split = this.getStackInSlot( slot );
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ItemStack ns = null;
if( qty >= split.stackSize )
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{
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ns = this.inv[slot];
this.inv[slot] = null;
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}
else
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{
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ns = split.splitStack( qty );
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}
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if( this.te != null && this.eventsEnabled() )
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{
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this.te.onChangeInventory( this, slot, InvOperation.decreaseStackSize, ns, null );
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}
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this.markDirty();
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return ns;
}
return null;
}
protected boolean eventsEnabled()
{
return Platform.isServer() || this.enableClientEvents;
}
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@Override
public ItemStack getStackInSlotOnClosing( int var1 )
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{
return null;
}
@Override
public void setInventorySlotContents( int slot, ItemStack newItemStack )
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{
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ItemStack oldStack = this.inv[slot];
this.inv[slot] = newItemStack;
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if( this.te != null && this.eventsEnabled() )
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{
ItemStack removed = oldStack;
ItemStack added = newItemStack;
if( oldStack != null && newItemStack != null && Platform.isSameItem( oldStack, newItemStack ) )
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{
if( oldStack.stackSize > newItemStack.stackSize )
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{
removed = removed.copy();
removed.stackSize -= newItemStack.stackSize;
added = null;
}
else if( oldStack.stackSize < newItemStack.stackSize )
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{
added = added.copy();
added.stackSize -= oldStack.stackSize;
removed = null;
}
else
{
removed = added = null;
}
}
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this.te.onChangeInventory( this, slot, InvOperation.setInventorySlotContents, removed, added );
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this.markDirty();
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}
}
@Override
public String getInventoryName()
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{
return "appeng-internal";
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}
@Override
public boolean hasCustomInventoryName()
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{
return false;
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}
@Override
public int getInventoryStackLimit()
{
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return this.maxStack > 64 ? 64 : this.maxStack;
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}
@Override
public void markDirty()
{
if( this.te != null && this.eventsEnabled() )
{
this.te.onChangeInventory( this, -1, InvOperation.markDirty, null, null );
}
}
@Override
public boolean isUseableByPlayer( EntityPlayer var1 )
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{
return true;
}
@Override
public void openInventory()
{
}
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@Override
public void closeInventory()
{
}
@Override
public boolean isItemValidForSlot( int i, ItemStack itemstack )
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{
return true;
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}
public void setMaxStackSize( int s )
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{
this.maxStack = s;
}
// for guis...
public void markDirty( int slotIndex )
{
if( this.te != null && this.eventsEnabled() )
{
this.te.onChangeInventory( this, slotIndex, InvOperation.markDirty, null, null );
}
}
public void writeToNBT( NBTTagCompound data, String name )
{
NBTTagCompound c = new NBTTagCompound();
this.writeToNBT( c );
data.setTag( name, c );
}
public void writeToNBT( NBTTagCompound target )
{
for( int x = 0; x < this.size; x++ )
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{
try
{
NBTTagCompound c = new NBTTagCompound();
if( this.inv[x] != null )
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{
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this.inv[x].writeToNBT( c );
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}
target.setTag( "#" + x, c );
}
catch( Exception ignored )
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{
}
}
}
public void readFromNBT( NBTTagCompound data, String name )
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{
NBTTagCompound c = data.getCompoundTag( name );
if( c != null )
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{
this.readFromNBT( c );
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}
}
public void readFromNBT( NBTTagCompound target )
{
for( int x = 0; x < this.size; x++ )
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{
try
{
NBTTagCompound c = target.getCompoundTag( "#" + x );
if( c != null )
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{
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this.inv[x] = ItemStack.loadItemStackFromNBT( c );
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}
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}
catch( Exception e )
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{
AELog.error( e );
}
}
}
@Override
public Iterator<ItemStack> iterator()
{
return new InvIterator( this );
}
}