Applied-Energistics-2-tiler.../util/inv/WrapperChainedInventory.java

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package appeng.util.inv;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
public class WrapperChainedInventory implements IInventory
{
class InvOffset
{
int offset;
int size;
IInventory i;
};
int fullSize = 0;
private List<IInventory> l;
private HashMap<Integer, InvOffset> offsets;
public WrapperChainedInventory(IInventory ilist) {
setInventory( ilist );
}
public WrapperChainedInventory(List<IInventory> ilist) {
setInventory( ilist );
}
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public void cycleOrder()
{
if ( l.size() > 1 )
{
List<IInventory> newOrder = new ArrayList( l.size() );
newOrder.add( l.get( l.size() - 1 ) );
for (int x = 0; x < l.size() - 1; x++)
newOrder.add( l.get( x ) );
setInventory( newOrder );
}
}
public void calculateSizes()
{
offsets = new HashMap<Integer, WrapperChainedInventory.InvOffset>();
int offset = 0;
for (IInventory in : l)
{
InvOffset io = new InvOffset();
io.offset = offset;
io.size = in.getSizeInventory();
io.i = in;
for (int y = 0; y < io.size; y++)
{
offsets.put( y + io.offset, io );
}
offset += io.size;
}
fullSize = offset;
}
public void setInventory(IInventory a)
{
l = new ArrayList();
l.add( a );
calculateSizes();
}
public void setInventory(List<IInventory> a)
{
l = a;
calculateSizes();
}
public IInventory getInv(int idx)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return io.i;
}
return null;
}
public int getInvSlot(int idx)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return idx - io.offset;
}
return 0;
}
@Override
public int getSizeInventory()
{
return fullSize;
}
@Override
public ItemStack getStackInSlot(int idx)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return io.i.getStackInSlot( idx - io.offset );
}
return null;
}
@Override
public ItemStack decrStackSize(int idx, int var2)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return io.i.decrStackSize( idx - io.offset, var2 );
}
return null;
}
@Override
public ItemStack getStackInSlotOnClosing(int idx)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return io.i.getStackInSlotOnClosing( idx - io.offset );
}
return null;
}
@Override
public void setInventorySlotContents(int idx, ItemStack var2)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
io.i.setInventorySlotContents( idx - io.offset, var2 );
}
}
@Override
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public String getInventoryName()
{
return "ChainedInv";
}
@Override
public int getInventoryStackLimit()
{
int smallest = 64;
for (IInventory i : l)
smallest = Math.min( smallest, i.getInventoryStackLimit() );
return smallest;
}
@Override
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public void markDirty()
{
for (IInventory i : l)
{
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i.markDirty();
}
}
@Override
public boolean isUseableByPlayer(EntityPlayer var1)
{
return false;
}
@Override
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public void openInventory()
{
}
@Override
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public void closeInventory()
{
}
@Override
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public boolean hasCustomInventoryName()
{
return false;
}
@Override
public boolean isItemValidForSlot(int idx, ItemStack itemstack)
{
InvOffset io = offsets.get( idx );
if ( io != null )
{
return io.i.isItemValidForSlot( idx - io.offset, itemstack );
}
return false;
}
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}