Files
Applied-Energistics-2/src/main/java/appeng/parts/layers/InvLayerData.java
T
2014-11-14 12:03:00 +01:00

126 lines
3.0 KiB
Java

/*
* 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.parts.layers;
import java.util.List;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.ItemStack;
public class InvLayerData
{
// a simple empty array for empty stuff..
private final static int[] nullSides = new int[] {};
// cache of inventory state.
final private int sides[][];
final private List<ISidedInventory> inventories;
final private List<InvSot> slots;
public InvLayerData(int a[][], List<ISidedInventory> b, List<InvSot> c) {
sides = a;
inventories = b;
slots = c;
}
/**
* check if a slot index is valid, prevent crashes from bad code :)
*
* @param slot slot index
* @return true, if the slot exists.
*/
boolean isSlotValid(int slot)
{
return slots != null && slot >= 0 && slot < slots.size();
}
public ItemStack decreaseStackSize(int slot, int amount)
{
if ( isSlotValid( slot ) )
return slots.get( slot ).decreaseStackSize( amount );
return null;
}
public int getSizeInventory()
{
if ( slots == null )
return 0;
return slots.size();
}
public ItemStack getStackInSlot(int slot)
{
if ( isSlotValid( slot ) )
return slots.get( slot ).getStackInSlot();
return null;
}
public boolean isItemValidForSlot(int slot, ItemStack itemstack)
{
if ( isSlotValid( slot ) )
return slots.get( slot ).isItemValidForSlot( itemstack );
return false;
}
public void setInventorySlotContents(int slot, ItemStack itemstack)
{
if ( isSlotValid( slot ) )
slots.get( slot ).setInventorySlotContents( itemstack );
}
public boolean canExtractItem(int slot, ItemStack itemstack, int side)
{
if ( isSlotValid( slot ) )
return slots.get( slot ).canExtractItem( itemstack, side );
return false;
}
public boolean canInsertItem(int slot, ItemStack itemstack, int side)
{
if ( isSlotValid( slot ) )
return slots.get( slot ).canInsertItem( itemstack, side );
return false;
}
public void markDirty()
{
if ( inventories != null )
{
for (IInventory inv : inventories)
inv.markDirty();
}
}
public int[] getAccessibleSlotsFromSide(int side)
{
if ( sides == null || side < 0 || side > 5 )
return nullSides;
return sides[side];
}
}