/*
* 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>.
*/
package appeng.me.storage;
import java.util.HashSet;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTBase;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraftforge.oredict.OreDictionary;
import appeng.api.AEApi;
import appeng.api.config.Actionable;
import appeng.api.config.FuzzyMode;
import appeng.api.exceptions.AppEngException;
import appeng.api.implementations.items.IStorageCell;
import appeng.api.networking.security.BaseActionSource;
import appeng.api.storage.ICellInventory;
import appeng.api.storage.IMEInventory;
import appeng.api.storage.IMEInventoryHandler;
import appeng.api.storage.ISaveProvider;
import appeng.api.storage.StorageChannel;
import appeng.api.storage.data.IAEItemStack;
import appeng.api.storage.data.IItemList;
import appeng.core.AEConfig;
import appeng.core.AELog;
import appeng.util.Platform;
import appeng.util.item.AEItemStack;
public class CellInventory implements ICellInventory
{
private static final String ITEM_TYPE_TAG = "it";
private static final String ITEM_COUNT_TAG = "ic";
private static final String ITEM_SLOT = "#";
private static final String ITEM_SLOT_COUNT = "@";
private static final String ITEM_PRE_FORMATTED_COUNT = "PF";
private static final String ITEM_PRE_FORMATTED_SLOT = "PF#";
private static final String ITEM_PRE_FORMATTED_NAME = "PN";
private static final String ITEM_PRE_FORMATTED_FUZZY = "FP";
private static final HashSet<Integer> BLACK_LIST = new HashSet<Integer>();
private static String[] itemSlots;
private static String[] itemSlotCount;
private final NBTTagCompound tagCompound;
private final ISaveProvider container;
private int maxItemTypes = 63;
private short storedItems = 0;
private int storedItemCount = 0;
private IItemList<IAEItemStack> cellItems;
private ItemStack i;
private IStorageCell cellType;
protected CellInventory( final NBTTagCompound data, final ISaveProvider container )
{
this.tagCompound = data;
this.container = container;
}
private CellInventory( final ItemStack o, final ISaveProvider container ) throws AppEngException
{
if( itemSlots == null )
{
itemSlots = new String[this.maxItemTypes];
itemSlotCount = new String[this.maxItemTypes];
for( int x = 0; x < this.maxItemTypes; x++ )
{
itemSlots[x] = ITEM_SLOT + x;
itemSlotCount[x] = ITEM_SLOT_COUNT + x;
}
}
if( o == null )
{
throw new AppEngException( "ItemStack was used as a cell, but was not a cell!" );
}
this.cellType = null;
this.i = o;
final Item type = this.i.getItem();
if( type instanceof IStorageCell )
{
this.cellType = (IStorageCell) this.i.getItem();
this.maxItemTypes = this.cellType.getTotalTypes( this.i );
}
if( this.cellType == null )
{
throw new AppEngException( "ItemStack was used as a cell, but was not a cell!" );
}
if( !this.cellType.isStorageCell( this.i ) )
{
throw new AppEngException( "ItemStack was used as a cell, but was not a cell!" );
}
if( this.maxItemTypes > 63 )
{
this.maxItemTypes = 63;
}
if( this.maxItemTypes < 1 )
{
this.maxItemTypes = 1;
}
this.container = container;
this.tagCompound = Platform.openNbtData( o );
this.storedItems = this.tagCompound.getShort( ITEM_TYPE_TAG );
this.storedItemCount = this.tagCompound.getInteger( ITEM_COUNT_TAG );
this.cellItems = null;
}
public static IMEInventoryHandler getCell( final ItemStack o, final ISaveProvider container2 )
{
try
{
return new CellInventoryHandler( new CellInventory( o, container2 ) );
}
catch( final AppEngException e )
{
return null;
}
}
private static boolean isStorageCell( final ItemStack i )
{
if( i == null )
{
return false;
}
try
{
final Item type = i.getItem();
if( type instanceof IStorageCell )
{
return !( (IStorageCell) type ).storableInStorageCell();
}
}
catch( final Throwable err )
{
return true;
}
return false;
}
public static boolean isCell( final ItemStack i )
{
if( i == null )
{
return false;
}
final Item type = i.getItem();
if( type instanceof IStorageCell )
{
return ( (IStorageCell) type ).isStorageCell( i );
}
return false;
}
public static void addBasicBlackList( final int itemID, final int meta )
{
BLACK_LIST.add( ( meta << Platform.DEF_OFFSET ) | itemID );
}
private static boolean isBlackListed( final IAEItemStack input )
{
if( BLACK_LIST.contains( ( OreDictionary.WILDCARD_VALUE << Platform.DEF_OFFSET ) | Item.getIdFromItem( input.getItem() ) ) )
{
return true;
}
return BLACK_LIST.contains( ( input.getItemDamage() << Platform.DEF_OFFSET ) | Item.getIdFromItem( input.getItem() ) );
}
private boolean isEmpty( final IMEInventory meInventory )
{
return meInventory.getAvailableItems( AEApi.instance().storage().createItemList() ).isEmpty();
}
@Override
public IAEItemStack injectItems( final IAEItemStack input, final Actionable mode, final BaseActionSource src )
{
if( input == null )
{
return null;
}
if( input.getStackSize() == 0 )
{
return null;
}
if( isBlackListed( input ) || this.cellType.isBlackListed( this.i, input ) )
{
return input;
}
final ItemStack sharedItemStack = input.getItemStack();
if( CellInventory.isStorageCell( sharedItemStack ) )
{
final IMEInventory meInventory = getCell( sharedItemStack, null );
if( meInventory != null && !this.isEmpty( meInventory ) )
{
return input;
}
}
final IAEItemStack l = this.getCellItems().findPrecise( input );
if( l != null )
{
final long remainingItemSlots = this.getRemainingItemCount();
if( remainingItemSlots < 0 )
{
return input;
}
if( input.getStackSize() > remainingItemSlots )
{
final IAEItemStack r = input.copy();
r.setStackSize( r.getStackSize() - remainingItemSlots );
if( mode == Actionable.MODULATE )
{
l.setStackSize( l.getStackSize() + remainingItemSlots );
this.updateItemCount( remainingItemSlots );
this.saveChanges();
}
return r;
}
else
{
if( mode == Actionable.MODULATE )
{
l.setStackSize( l.getStackSize() + input.getStackSize() );
this.updateItemCount( input.getStackSize() );
this.saveChanges();
}
return null;
}
}
if( this.canHoldNewItem() ) // room for new type, and for at least one item!
{
final int remainingItemCount = (int) this.getRemainingItemCount() - this.getBytesPerType() * 8;
if( remainingItemCount > 0 )
{
if( input.getStackSize() > remainingItemCount )
{
final ItemStack toReturn = Platform.cloneItemStack( sharedItemStack );
toReturn.stackSize = sharedItemStack.stackSize - remainingItemCount;
if( mode == Actionable.MODULATE )
{
final ItemStack toWrite = Platform.cloneItemStack( sharedItemStack );
toWrite.stackSize = remainingItemCount;
this.cellItems.add( AEItemStack.create( toWrite ) );
this.updateItemCount( toWrite.stackSize );
this.saveChanges();
}
return AEItemStack.create( toReturn );
}
if( mode == Actionable.MODULATE )
{
this.updateItemCount( input.getStackSize() );
this.cellItems.add( input );
this.saveChanges();
}
return null;
}
}
return input;
}
@Override
public IAEItemStack extractItems( final IAEItemStack request, final Actionable mode, final BaseActionSource src )
{
if( request == null )
{
return null;
}
final long size = Math.min( Integer.MAX_VALUE, request.getStackSize() );
IAEItemStack Results = null;
final IAEItemStack l = this.getCellItems().findPrecise( request );
if( l != null )
{
Results = l.copy();
if( l.getStackSize() <= size )
{
Results.setStackSize( l.getStackSize() );
if( mode == Actionable.MODULATE )
{
this.updateItemCount( -l.getStackSize() );
l.setStackSize( 0 );
this.saveChanges();
}
}
else
{
Results.setStackSize( size );
if( mode == Actionable.MODULATE )
{
l.setStackSize( l.getStackSize() - size );
this.updateItemCount( -size );
this.saveChanges();
}
}
}
return Results;
}
IItemList<IAEItemStack> getCellItems()
{
if( this.cellItems == null )
{
this.cellItems = AEApi.instance().storage().createItemList();
this.loadCellItems();
}
return this.cellItems;
}
private void updateItemCount( final long delta )
{
this.storedItemCount += delta;
this.tagCompound.setInteger( ITEM_COUNT_TAG, this.storedItemCount );
}
void saveChanges()
{
// cellItems.clean();
int itemCount = 0;
// add new pretty stuff...
int x = 0;
for( final IAEItemStack v : this.cellItems )
{
itemCount += v.getStackSize();
final NBTBase c = this.tagCompound.getTag( itemSlots[x] );
if( c instanceof NBTTagCompound )
{
v.writeToNBT( (NBTTagCompound) c );
}
else
{
final NBTTagCompound g = new NBTTagCompound();
v.writeToNBT( g );
this.tagCompound.setTag( itemSlots[x], g );
}
/*
* NBTBase tagSlotCount = tagCompound.getTag( itemSlotCount[x] ); if ( tagSlotCount instanceof
* NBTTagInt ) ((NBTTagInt) tagSlotCount).data = (int) v.getStackSize(); else
*/
this.tagCompound.setInteger( itemSlotCount[x], (int) v.getStackSize() );
x++;
}
// NBTBase tagType = tagCompound.getTag( ITEM_TYPE_TAG );
// NBTBase tagCount = tagCompound.getTag( ITEM_COUNT_TAG );
final short oldStoredItems = this.storedItems;
/*
* if ( tagType instanceof NBTTagShort ) ((NBTTagShort) tagType).data = storedItems = (short) cellItems.size();
* else
*/
this.storedItems = (short) this.cellItems.size();
if( this.cellItems.isEmpty() )
{
this.tagCompound.removeTag( ITEM_TYPE_TAG );
}
else
{
this.tagCompound.setShort( ITEM_TYPE_TAG, this.storedItems );
}
/*
* if ( tagCount instanceof NBTTagInt ) ((NBTTagInt) tagCount).data = storedItemCount = itemCount; else
*/
this.storedItemCount = itemCount;
if( itemCount == 0 )
{
this.tagCompound.removeTag( ITEM_COUNT_TAG );
}
else
{
this.tagCompound.setInteger( ITEM_COUNT_TAG, itemCount );
}
// clean any old crusty stuff...
for( ; x < oldStoredItems && x < this.maxItemTypes; x++ )
{
this.tagCompound.removeTag( itemSlots[x] );
this.tagCompound.removeTag( itemSlotCount[x] );
}
if( this.container != null )
{
this.container.saveChanges( this );
}
}
protected void loadCellItems()
{
if( this.cellItems == null )
{
this.cellItems = AEApi.instance().storage().createItemList();
}
this.cellItems.resetStatus(); // clears totals and stuff.
final int types = (int) this.getStoredItemTypes();
for( int slot = 0; slot < types; slot++ )
{
NBTTagCompound compoundTag = this.tagCompound.getCompoundTag( itemSlots[slot] );
int stackSize = this.tagCompound.getInteger( itemSlotCount[slot] );
loadCellItem( compoundTag, stackSize );
}
// cellItems.clean();
}
private void loadCellItem( NBTTagCompound compoundTag, int stackSize )
{
// Now load the item stack
final ItemStack t;
try
{
t = ItemStack.loadItemStackFromNBT( compoundTag );
if( t == null )
{
AELog.warn( "Removing item " + compoundTag + " from storage cell because the associated item type couldn't be found." );
return;
}
}
catch( Throwable ex )
{
if( AEConfig.instance().isRemoveCrashingItemsOnLoad() )
{
AELog.warn( ex, "Removing item " + compoundTag + " from storage cell because loading the ItemStack crashed." );
return;
}
throw ex;
}
t.stackSize = stackSize;
if( t.stackSize > 0 )
{
try
{
this.cellItems.add( AEItemStack.create( t ) );
}
catch( Throwable ex )
{
if( AEConfig.instance().isRemoveCrashingItemsOnLoad() )
{
AELog.warn( ex, "Removing item " + t + " from storage cell because processing the loaded item crashed." );
return;
}
throw ex;
}
}
}
@Override
public IItemList getAvailableItems( final IItemList out )
{
for( final IAEItemStack i : this.getCellItems() )
{
out.add( i );
}
return out;
}
@Override
public StorageChannel getChannel()
{
return StorageChannel.ITEMS;
}
@Override
public ItemStack getItemStack()
{
return this.i;
}
@Override
public double getIdleDrain()
{
return this.cellType.getIdleDrain();
}
@Override
public FuzzyMode getFuzzyMode()
{
return this.cellType.getFuzzyMode( this.i );
}
@Override
public IInventory getConfigInventory()
{
return this.cellType.getConfigInventory( this.i );
}
@Override
public IInventory getUpgradesInventory()
{
return this.cellType.getUpgradesInventory( this.i );
}
@Override
public int getBytesPerType()
{
return this.cellType.getBytesPerType( this.i );
}
@Override
public boolean canHoldNewItem()
{
final long bytesFree = this.getFreeBytes();
return ( bytesFree > this.getBytesPerType() || ( bytesFree == this.getBytesPerType() && this.getUnusedItemCount() > 0 ) ) && this.getRemainingItemTypes() > 0;
}
@Override
public long getTotalBytes()
{
return this.cellType.getBytes( this.i );
}
@Override
public long getFreeBytes()
{
return this.getTotalBytes() - this.getUsedBytes();
}
@Override
public long getUsedBytes()
{
final long bytesForItemCount = ( this.getStoredItemCount() + this.getUnusedItemCount() ) / 8;
return this.getStoredItemTypes() * this.getBytesPerType() + bytesForItemCount;
}
@Override
public long getTotalItemTypes()
{
return this.maxItemTypes;
}
@Override
public long getStoredItemCount()
{
return this.storedItemCount;
}
@Override
public long getStoredItemTypes()
{
return this.storedItems;
}
@Override
public long getRemainingItemTypes()
{
final long basedOnStorage = this.getFreeBytes() / this.getBytesPerType();
final long baseOnTotal = this.getTotalItemTypes() - this.getStoredItemTypes();
return basedOnStorage > baseOnTotal ? baseOnTotal : basedOnStorage;
}
@Override
public long getRemainingItemCount()
{
final long remaining = this.getFreeBytes() * 8 + this.getUnusedItemCount();
return remaining > 0 ? remaining : 0;
}
@Override
public int getUnusedItemCount()
{
final int div = (int) ( this.getStoredItemCount() % 8 );
if( div == 0 )
{
return 0;
}
return 8 - div;
}
@Override
public int getStatusForCell()
{
if( this.canHoldNewItem() )
{
return 1;
}
if( this.getRemainingItemCount() > 0 )
{
return 2;
}
return 3;
}
}