Made the give and take command use manipulator methods

src/minecraft/assemblyline/common/armbot/command/CommandGive.java

@@ -1,24 +1,26 @@
 package assemblyline.common.armbot.command;
 
+import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
 
-import net.minecraft.inventory.ISidedInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.ForgeDirection;
-import dark.library.machine.crafting.AutoCraftingManager;
+import universalelectricity.core.vector.Vector3;
+import assemblyline.common.machine.InvExtractionHelper;
 
 public class CommandGive extends Command
 {
 	private ItemStack stack;
+	private int ammount = -1;
 
 	@Override
 	public void onTaskStart()
 	{
 		int id = 0;
 		int meta = 32767;
-		int count = 1;
 
 		if (this.getArgs().length > 0)
 		{
@@ -36,7 +38,7 @@ public class CommandGive extends Command
 		}
 		if (this.getArgs().length > 1)
 		{
-			count = this.getIntArg(1);
+			ammount = this.getIntArg(1);
 		}
 		if (id == 0)
 		{
@@ -44,7 +46,7 @@ public class CommandGive extends Command
 		}
 		else
 		{
-			stack = new ItemStack(id, count, meta);
+			stack = new ItemStack(id, ammount == -1 ? 1 : ammount, meta);
 		}
 	}
 
@@ -52,57 +54,32 @@ public class CommandGive extends Command
 	protected boolean doTask()
 	{
 		TileEntity targetTile = this.tileEntity.getHandPosition().getTileEntity(this.world);
-		ForgeDirection direction = this.tileEntity.getFacingDirectionFromAngle();
+
 		if (targetTile != null && this.tileEntity.getGrabbedItems().size() > 0)
 		{
-			if (targetTile instanceof ISidedInventory)
+			ForgeDirection direction = this.tileEntity.getFacingDirectionFromAngle();
+			List<ItemStack> stacks = new ArrayList<ItemStack>();
+			if (this.stack != null)
 			{
-				ISidedInventory inventory = (ISidedInventory) targetTile;
+				stacks.add(stack);
-				int[] slots = inventory.getAccessibleSlotsFromSide(direction.getOpposite().ordinal());
+			}
+			InvExtractionHelper invEx = new InvExtractionHelper(this.tileEntity.worldObj, new Vector3(this.tileEntity), stacks, false);
+
 			Iterator<ItemStack> targetIt = this.tileEntity.getGrabbedItems().iterator();
+			boolean flag = true;
 			while (targetIt.hasNext())
 			{
-					ItemStack itemstack = targetIt.next();
+				ItemStack insertStack = targetIt.next();
-					for (int i = 0; i < slots.length; i++)
+				ItemStack original = insertStack.copy();
-					{
+				insertStack = invEx.tryPlaceInPosition(insertStack, new Vector3(targetTile), direction.getOpposite());
-						if (this.stack == null || AutoCraftingManager.areStacksEqual(this.stack, itemstack))
+				flag = insertStack != null && insertStack.stackSize == original.stackSize;
-						{
+				if (insertStack == null || insertStack.stackSize <= 0)
-							if (inventory.canInsertItem(slots[i], itemstack, direction.getOpposite().ordinal()))
-							{
-								ItemStack slotStack = inventory.getStackInSlot(slots[i]);
-								if (slotStack == null)
-								{
-									ItemStack insertstack = itemstack.copy();
-									insertstack.stackSize = Math.min(itemstack.stackSize, inventory.getInventoryStackLimit());
-									inventory.setInventorySlotContents(slots[i], insertstack);
-									itemstack = AutoCraftingManager.decrStackSize(itemstack, insertstack.stackSize);
-								}
-								else if (AutoCraftingManager.areStacksEqual(slotStack, itemstack))
-								{
-									int room = slotStack.getMaxStackSize() - slotStack.stackSize;
-									if (room > 0)
-									{
-										ItemStack insertstack = itemstack.copy();
-										insertstack.stackSize = Math.min(Math.min(itemstack.stackSize, inventory.getInventoryStackLimit()), room);
-										itemstack = AutoCraftingManager.decrStackSize(itemstack, insertstack.stackSize);
-										insertstack.stackSize += slotStack.stackSize;
-										inventory.setInventorySlotContents(slots[i], insertstack);
-									}
-								}
-							}
-							if (itemstack == null || itemstack.stackSize <= 0)
 				{
 					targetIt.remove();
 					break;
 				}
 			}
-
+			return flag;
-					}
-
-				}
-				return false;
-			}// TODO add a way to steal items from players
-
 		}
 		return true;
 	}

src/minecraft/assemblyline/common/armbot/command/CommandTake.java

@@ -1,11 +1,14 @@
 package assemblyline.common.armbot.command;
 
-import net.minecraft.inventory.ISidedInventory;
+import java.util.ArrayList;
+import java.util.List;
+
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.ForgeDirection;
-import dark.library.machine.crafting.AutoCraftingManager;
+import universalelectricity.core.vector.Vector3;
+import assemblyline.common.machine.InvExtractionHelper;
 
 public class CommandTake extends Command
 {
@@ -50,29 +53,18 @@ public class CommandTake extends Command
 	protected boolean doTask()
 	{
 		TileEntity targetTile = this.tileEntity.getHandPosition().getTileEntity(this.world);
-		ForgeDirection direction = this.tileEntity.getFacingDirectionFromAngle();
+
 		if (targetTile != null && this.tileEntity.getGrabbedItems().size() <= 0)
 		{
-			if (targetTile instanceof ISidedInventory)
+			ForgeDirection direction = this.tileEntity.getFacingDirectionFromAngle();
-			{
+			List<ItemStack> stacks = new ArrayList<ItemStack>();
-				ISidedInventory inventory = (ISidedInventory) targetTile;
-				int[] slots = inventory.getAccessibleSlotsFromSide(direction.getOpposite().ordinal());
-				for (int i = 0; i < slots.length; i++)
-				{
-					ItemStack slotStack = inventory.getStackInSlot(slots[i]);
 			if (this.stack != null)
 			{
-						if (AutoCraftingManager.areStacksEqual(this.stack, slotStack) && inventory.canExtractItem(slots[i], this.stack, direction.getOpposite().ordinal()))
+				stacks.add(stack);
-						{
-							ItemStack insertStack = this.stack.copy();
-							insertStack.stackSize = Math.min(this.stack.stackSize, slotStack.stackSize);
-							this.tileEntity.grabItem(insertStack);
-							inventory.setInventorySlotContents(slots[i], AutoCraftingManager.decrStackSize(slotStack, insertStack.stackSize));
-							return false;
 			}
-					}
+			InvExtractionHelper invEx = new InvExtractionHelper(this.tileEntity.worldObj, new Vector3(this.tileEntity), stacks, false);
-				}
+			this.tileEntity.grabItem(invEx.tryGrabFromPosition(new Vector3(targetTile), direction, this.stack != null ? stack.stackSize : 1));
-			}// TODO add a way to steal items from players
+			return !(this.tileEntity.getGrabbedItems().size() > 0);
 
 		}
 		return true;

src/minecraft/assemblyline/common/machine/InvExtractionHelper.java

@@ -0,0 +1,378 @@
+package assemblyline.common.machine;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.inventory.ISidedInventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.tileentity.TileEntityChest;
+import net.minecraft.world.World;
+import net.minecraftforge.common.ForgeDirection;
+import universalelectricity.core.vector.Vector3;
+import universalelectricity.prefab.multiblock.TileEntityMulti;
+import assemblyline.common.block.BlockCrate;
+import assemblyline.common.block.TileEntityCrate;
+import assemblyline.common.imprinter.ItemImprinter;
+
+public class InvExtractionHelper
+{
+	World world;
+	Vector3 location;
+	List<ItemStack> filterItems;
+	boolean inverted;
+
+	public InvExtractionHelper(World world, Vector3 location, List<ItemStack> filters, boolean inverted)
+	{
+		this.world = world;
+		this.location = location;
+		this.filterItems = filters;
+		if (filterItems == null)
+		{
+			filterItems = new ArrayList<ItemStack>();
+		}
+		this.inverted = inverted;
+	}
+
+	/**
+	 * Throws the items from the manipulator into the world.
+	 * 
+	 * @param outputPosition
+	 * @param items
+	 */
+	public void throwItem(Vector3 outputPosition, ItemStack items)
+	{
+		if (!world.isRemote)
+		{
+			EntityItem entityItem = new EntityItem(world, outputPosition.x + 0.5, outputPosition.y + 0.8, outputPosition.z + 0.5, items);
+			entityItem.motionX = 0;
+			entityItem.motionZ = 0;
+			entityItem.motionY /= 5;
+			entityItem.delayBeforeCanPickup = 20;
+			world.spawnEntityInWorld(entityItem);
+		}
+	}
+
+	/**
+	 * Tries to place an itemStack in a specific position if it is an inventory.
+	 * 
+	 * @return The ItemStack remained after place attempt
+	 */
+	public ItemStack tryPlaceInPosition(ItemStack itemStack, Vector3 position, ForgeDirection direction)
+	{
+		TileEntity tileEntity = position.getTileEntity(world);
+
+		if (tileEntity != null && itemStack != null)
+		{
+			/**
+			 * Try to put items into a chest.
+			 */
+			if (tileEntity instanceof TileEntityMulti)
+			{
+				Vector3 mainBlockPosition = ((TileEntityMulti) tileEntity).mainBlockPosition;
+
+				if (mainBlockPosition != null)
+				{
+					if (!(mainBlockPosition.getTileEntity(world) instanceof TileEntityMulti))
+					{
+						return tryPlaceInPosition(itemStack, mainBlockPosition, direction);
+					}
+				}
+			}
+			else if (tileEntity instanceof TileEntityChest)
+			{
+				TileEntityChest[] chests = { (TileEntityChest) tileEntity, null };
+
+				/**
+				 * Try to find a double chest.
+				 */
+				for (int i = 2; i < 6; i++)
+				{
+					ForgeDirection searchDirection = ForgeDirection.getOrientation(i);
+					Vector3 searchPosition = position.clone();
+					searchPosition.modifyPositionFromSide(searchDirection);
+
+					if (searchPosition.getTileEntity(world) != null)
+					{
+						if (searchPosition.getTileEntity(world).getClass() == chests[0].getClass())
+						{
+							chests[1] = (TileEntityChest) searchPosition.getTileEntity(world);
+							break;
+						}
+					}
+				}
+
+				for (TileEntityChest chest : chests)
+				{
+					if (chest != null)
+					{
+						for (int i = 0; i < chest.getSizeInventory(); i++)
+						{
+							itemStack = this.addStackToInventory(i, chest, itemStack);
+							if (itemStack == null)
+							{
+								return null;
+							}
+						}
+					}
+				}
+			}
+			else if (tileEntity instanceof TileEntityCrate)
+			{
+				return BlockCrate.addStackToCrate((TileEntityCrate) tileEntity, itemStack);
+			}
+			else if (tileEntity instanceof ISidedInventory)
+			{
+				ISidedInventory inventory = (ISidedInventory) tileEntity;
+				int[] slots = inventory.getAccessibleSlotsFromSide(direction.getOpposite().ordinal());
+				for (int i = 0; i < slots.length; i++)
+				{
+					if (inventory.canInsertItem(slots[i], itemStack, direction.getOpposite().ordinal()))
+					{
+						itemStack = this.addStackToInventory(slots[i], inventory, itemStack);
+					}
+					if (itemStack == null)
+					{
+						return null;
+					}
+				}
+
+			}
+			else if (tileEntity instanceof net.minecraftforge.common.ISidedInventory)
+			{
+				net.minecraftforge.common.ISidedInventory inventory = (net.minecraftforge.common.ISidedInventory) tileEntity;
+
+				int startIndex = inventory.getStartInventorySide(direction.getOpposite());
+
+				for (int i = startIndex; i < startIndex + inventory.getSizeInventorySide(direction); i++)
+				{
+					itemStack = this.addStackToInventory(i, inventory, itemStack);
+					if (itemStack == null)
+					{
+						return null;
+					}
+				}
+			}
+			else if (tileEntity instanceof IInventory)
+			{
+				IInventory inventory = (IInventory) tileEntity;
+
+				for (int i = 0; i < inventory.getSizeInventory(); i++)
+				{
+					itemStack = this.addStackToInventory(i, inventory, itemStack);
+					if (itemStack == null)
+					{
+						return null;
+					}
+				}
+			}
+		}
+
+		if (itemStack.stackSize <= 0)
+		{
+			return null;
+		}
+
+		return itemStack;
+	}
+
+	public ItemStack addStackToInventory(int slotIndex, IInventory inventory, ItemStack itemStack)
+	{
+		if (inventory.getSizeInventory() > slotIndex)
+		{
+			ItemStack stackInInventory = inventory.getStackInSlot(slotIndex);
+
+			if (stackInInventory == null)
+			{
+				inventory.setInventorySlotContents(slotIndex, itemStack);
+				if (inventory.getStackInSlot(slotIndex) == null)
+				{
+					return itemStack;
+				}
+				return null;
+			}
+			else if (stackInInventory.isItemEqual(itemStack) && stackInInventory.isStackable())
+			{
+				stackInInventory = stackInInventory.copy();
+				int stackLim = Math.min(inventory.getInventoryStackLimit(), itemStack.getMaxStackSize());
+				int rejectedAmount = Math.max((stackInInventory.stackSize + itemStack.stackSize) - stackLim, 0);
+				stackInInventory.stackSize = Math.min(Math.max((stackInInventory.stackSize + itemStack.stackSize - rejectedAmount), 0), inventory.getInventoryStackLimit());
+				itemStack.stackSize = rejectedAmount;
+				inventory.setInventorySlotContents(slotIndex, stackInInventory);
+			}
+		}
+
+		if (itemStack.stackSize <= 0)
+		{
+			return null;
+		}
+
+		return itemStack;
+	}
+
+	/**
+	 * Tries to take a item from a inventory at a specific position.
+	 * 
+	 * @param position
+	 * @return
+	 */
+	public ItemStack tryGrabFromPosition(Vector3 position, ForgeDirection direction, int ammount)
+	{
+		ItemStack returnStack = null;
+		TileEntity tileEntity = position.getTileEntity(world);
+
+		if (tileEntity != null)
+		{
+			/**
+			 * Try to put items into a chest.
+			 */
+			if (tileEntity instanceof TileEntityMulti)
+			{
+				Vector3 mainBlockPosition = ((TileEntityMulti) tileEntity).mainBlockPosition;
+
+				if (mainBlockPosition != null)
+				{
+					if (!(mainBlockPosition.getTileEntity(world) instanceof TileEntityMulti))
+					{
+						return tryGrabFromPosition(mainBlockPosition, direction, ammount);
+					}
+				}
+			}
+			else if (tileEntity instanceof TileEntityChest)
+			{
+				TileEntityChest[] chests = { (TileEntityChest) tileEntity, null };
+
+				/**
+				 * Try to find a double chest.
+				 */
+				for (int i = 2; i < 6; i++)
+				{
+					ForgeDirection searchDirection = ForgeDirection.getOrientation(i);
+					Vector3 searchPosition = position.clone();
+					searchPosition.modifyPositionFromSide(searchDirection);
+
+					if (searchPosition.getTileEntity(world) != null)
+					{
+						if (searchPosition.getTileEntity(world).getClass() == chests[0].getClass())
+						{
+							chests[1] = (TileEntityChest) searchPosition.getTileEntity(world);
+							break;
+						}
+					}
+				}
+
+				chestSearch:
+				for (TileEntityChest chest : chests)
+				{
+					if (chest != null)
+					{
+						for (int i = 0; i < chest.getSizeInventory(); i++)
+						{
+							ItemStack itemStack = this.removeStackFromInventory(i, chest,ammount);
+
+							if (itemStack != null)
+							{
+								returnStack = itemStack;
+								break chestSearch;
+							}
+						}
+					}
+				}
+			}
+			else if (tileEntity instanceof ISidedInventory)
+			{
+				ISidedInventory inventory = (ISidedInventory) tileEntity;
+
+				int[] slots = inventory.getAccessibleSlotsFromSide(direction.ordinal());
+
+				for (int i = 0; i < slots.length; i++)
+				{
+					int slot = slots[i];
+					ItemStack itemStack = this.removeStackFromInventory(i, inventory,ammount);
+					if (itemStack != null && inventory.canExtractItem(slot, itemStack, direction.ordinal()))
+					{
+						returnStack = itemStack;
+						break;
+					}
+				}
+			}
+			else if (tileEntity instanceof net.minecraftforge.common.ISidedInventory)
+			{
+				net.minecraftforge.common.ISidedInventory inventory = (net.minecraftforge.common.ISidedInventory) tileEntity;
+
+				int startIndex = inventory.getStartInventorySide(direction);
+
+				for (int i = startIndex; i < startIndex + inventory.getSizeInventorySide(direction); i++)
+				{
+					ItemStack itemStack = this.removeStackFromInventory(i, inventory,ammount);
+
+					if (itemStack != null)
+					{
+						returnStack = itemStack;
+						break;
+					}
+				}
+			}
+			else if (tileEntity instanceof IInventory)
+			{
+				IInventory inventory = (IInventory) tileEntity;
+
+				for (int i = 0; i < inventory.getSizeInventory(); i++)
+				{
+					ItemStack itemStack = this.removeStackFromInventory(i, inventory,ammount);
+					if (itemStack != null)
+					{
+						returnStack = itemStack;
+						break;
+					}
+				}
+			}
+		}
+
+		return returnStack;
+	}
+	/**
+	 * Takes an item from the given inventory
+	 */
+	public ItemStack removeStackFromInventory(int slotIndex, IInventory inventory, int ammount)
+	{
+		if (inventory.getStackInSlot(slotIndex) != null)
+		{
+			ItemStack itemStack = inventory.getStackInSlot(slotIndex).copy();
+
+			if (this.filterItems.size() == 0 || this.isFiltering(itemStack))
+			{
+				itemStack.stackSize = ammount;
+				inventory.decrStackSize(slotIndex, 1);
+				return itemStack;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * is the item being restricted to a filter set
+	 */
+	public boolean isFiltering(ItemStack itemStack)
+	{
+		if (this.filterItems != null && itemStack != null)
+		{
+			for (int i = 0; i < filterItems.size(); i++)
+			{
+				if (filterItems.get(i) != null)
+				{
+					if (filterItems.get(i).isItemEqual(itemStack))
+					{
+						return !inverted;
+					}
+				}
+			}
+		}
+
+		return inverted;
+	}
+
+}

src/minecraft/assemblyline/common/machine/TileEntityManipulator.java

@@ -19,20 +19,32 @@ import universalelectricity.prefab.network.PacketManager;
 import assemblyline.api.IManipulator;
 import assemblyline.common.block.BlockCrate;
 import assemblyline.common.block.TileEntityCrate;
+import assemblyline.common.imprinter.ItemImprinter;
 import assemblyline.common.imprinter.prefab.TileEntityFilterable;
 import cpw.mods.fml.common.network.PacketDispatcher;
 
 public class TileEntityManipulator extends TileEntityFilterable implements IRotatable, IRedstoneReceptor, IManipulator
 {
 	public boolean selfPulse = false;
-
+	/* SET TO OUTPUT MODE */
-	/**
-	 * Is the manipulator wrenched to turn into output mode?
-	 */
 	private boolean isOutput = false;
 
 	private boolean isRedstonePowered = false;
 
+	private InvExtractionHelper invExtractionHelper;
+
+	/**
+	 * Gets the class that managed extracting and placing items into inventories
+	 */
+	public InvExtractionHelper invHelper()
+	{
+		if (invExtractionHelper == null)
+		{
+			this.invExtractionHelper = new InvExtractionHelper(this.worldObj, new Vector3(this), this.getFilter() != null ? ItemImprinter.getFilters(getFilter()) : null, this.isInverted());
+		}
+		return invExtractionHelper;
+	}
+
 	public boolean isOutput()
 	{
 		return this.isOutput;
@@ -133,21 +145,21 @@ public class TileEntityManipulator extends TileEntityFilterable implements IRota
 
 			if (this.getFilter() == null || this.isFiltering(remainingStack))
 			{
-				remainingStack = this.tryPlaceInPosition(remainingStack, outputUp, ForgeDirection.DOWN);
+				remainingStack = invHelper().tryPlaceInPosition(remainingStack, outputUp, ForgeDirection.DOWN);
 
 				if (remainingStack != null)
 				{
-					remainingStack = this.tryPlaceInPosition(remainingStack, outputDown, ForgeDirection.UP);
+					remainingStack = invHelper().tryPlaceInPosition(remainingStack, outputDown, ForgeDirection.UP);
 				}
 
 				if (remainingStack != null)
 				{
-					remainingStack = this.tryPlaceInPosition(remainingStack, outputPosition, this.getDirection().getOpposite());
+					remainingStack = invHelper().tryPlaceInPosition(remainingStack, outputPosition, this.getDirection().getOpposite());
 				}
 
 				if (remainingStack != null && remainingStack.stackSize > 0)
 				{
-					this.throwItem(outputPosition, remainingStack);
+					invHelper().throwItem(outputPosition, remainingStack);
 				}
 
 				entity.setDead();
@@ -175,338 +187,27 @@ public class TileEntityManipulator extends TileEntityFilterable implements IRota
 		Vector3 outputPosition = new Vector3(this);
 		outputPosition.modifyPositionFromSide(this.getDirection());
 
-		ItemStack itemStack = this.tryGrabFromPosition(inputUp, ForgeDirection.DOWN);
+		ItemStack itemStack = invHelper().tryGrabFromPosition(inputUp, ForgeDirection.DOWN,1);
 
 		if (itemStack == null)
 		{
-			itemStack = this.tryGrabFromPosition(inputDown, ForgeDirection.UP);
+			itemStack = invHelper().tryGrabFromPosition(inputDown, ForgeDirection.UP,1);
 		}
 
 		if (itemStack == null)
 		{
-			itemStack = this.tryGrabFromPosition(inputPosition, this.getDirection().getOpposite());
+			itemStack = invHelper().tryGrabFromPosition(inputPosition, this.getDirection().getOpposite(),1);
 		}
 
 		if (itemStack != null)
 		{
 			if (itemStack.stackSize > 0)
 			{
-				this.throwItem(outputPosition, itemStack);
+				invHelper().throwItem(outputPosition, itemStack);
 			}
 		}
 	}
 
-	/**
-	 * Throws the items from the manipulator into the world.
-	 * 
-	 * @param outputPosition
-	 * @param items
-	 */
-	public void throwItem(Vector3 outputPosition, ItemStack items)
-	{
-		if (!this.worldObj.isRemote)
-		{
-			EntityItem entityItem = new EntityItem(this.worldObj, outputPosition.x + 0.5, outputPosition.y + 0.8, outputPosition.z + 0.5, items);
-			entityItem.motionX = 0;
-			entityItem.motionZ = 0;
-			entityItem.motionY /= 5;
-			entityItem.delayBeforeCanPickup = 20;
-			this.worldObj.spawnEntityInWorld(entityItem);
-		}
-	}
-
-	/**
-	 * Tries to place an itemStack in a specific position if it is an inventory.
-	 * 
-	 * @return The ItemStack remained after place attempt
-	 */
-	private ItemStack tryPlaceInPosition(ItemStack itemStack, Vector3 position, ForgeDirection direction)
-	{
-		TileEntity tileEntity = position.getTileEntity(this.worldObj);
-
-		if (tileEntity != null && itemStack != null)
-		{
-			/**
-			 * Try to put items into a chest.
-			 */
-			if (tileEntity instanceof TileEntityMulti)
-			{
-				Vector3 mainBlockPosition = ((TileEntityMulti) tileEntity).mainBlockPosition;
-
-				if (mainBlockPosition != null)
-				{
-					if (!(mainBlockPosition.getTileEntity(this.worldObj) instanceof TileEntityMulti))
-						return tryPlaceInPosition(itemStack, mainBlockPosition, direction);
-				}
-			}
-			else if (tileEntity instanceof TileEntityChest)
-			{
-				TileEntityChest[] chests = { (TileEntityChest) tileEntity, null };
-
-				/**
-				 * Try to find a double chest.
-				 */
-				for (int i = 2; i < 6; i++)
-				{
-					ForgeDirection searchDirection = ForgeDirection.getOrientation(i);
-					Vector3 searchPosition = position.clone();
-					searchPosition.modifyPositionFromSide(searchDirection);
-
-					if (searchPosition.getTileEntity(this.worldObj) != null)
-					{
-						if (searchPosition.getTileEntity(this.worldObj).getClass() == chests[0].getClass())
-						{
-							chests[1] = (TileEntityChest) searchPosition.getTileEntity(this.worldObj);
-							break;
-						}
-					}
-				}
-
-				for (TileEntityChest chest : chests)
-				{
-					if (chest != null)
-					{
-						for (int i = 0; i < chest.getSizeInventory(); i++)
-						{
-							itemStack = this.addStackToInventory(i, chest, itemStack);
-							if (itemStack == null)
-							{
-								return null;
-							}
-						}
-					}
-				}
-			}
-			else if (tileEntity instanceof TileEntityCrate)
-			{
-				return BlockCrate.addStackToCrate((TileEntityCrate) tileEntity, itemStack);
-			}
-			else if (tileEntity instanceof ISidedInventory)
-			{
-				ISidedInventory inventory = (ISidedInventory) tileEntity;
-				int[] slots = inventory.getAccessibleSlotsFromSide(direction.getOpposite().ordinal());
-				for (int i = 0; i < slots.length; i++)
-				{
-					if (inventory.canInsertItem(slots[i], itemStack, direction.getOpposite().ordinal()))
-					{
-						itemStack = this.addStackToInventory(slots[i], inventory, itemStack);
-					}
-					if (itemStack == null)
-					{
-						return null;
-					}
-				}
-
-			}
-			else if (tileEntity instanceof net.minecraftforge.common.ISidedInventory)
-			{
-				net.minecraftforge.common.ISidedInventory inventory = (net.minecraftforge.common.ISidedInventory) tileEntity;
-
-				int startIndex = inventory.getStartInventorySide(direction.getOpposite());
-
-				for (int i = startIndex; i < startIndex + inventory.getSizeInventorySide(direction); i++)
-				{
-					itemStack = this.addStackToInventory(i, inventory, itemStack);
-					if (itemStack == null)
-					{
-						return null;
-					}
-				}
-			}
-			else if (tileEntity instanceof IInventory)
-			{
-				IInventory inventory = (IInventory) tileEntity;
-
-				for (int i = 0; i < inventory.getSizeInventory(); i++)
-				{
-					itemStack = this.addStackToInventory(i, inventory, itemStack);
-					if (itemStack == null)
-					{
-						return null;
-					}
-				}
-			}
-		}
-
-		if (itemStack.stackSize <= 0)
-		{
-			return null;
-		}
-
-		return itemStack;
-	}
-
-	public ItemStack addStackToInventory(int slotIndex, IInventory inventory, ItemStack itemStack)
-	{
-		if (inventory.getSizeInventory() > slotIndex)
-		{
-			ItemStack stackInInventory = inventory.getStackInSlot(slotIndex);
-
-			if (stackInInventory == null)
-			{
-				inventory.setInventorySlotContents(slotIndex, itemStack);
-				if (inventory.getStackInSlot(slotIndex) == null)
-				{
-					return itemStack;
-				}
-				return null;
-			}
-			else if (stackInInventory.isItemEqual(itemStack) && stackInInventory.isStackable())
-			{
-				stackInInventory = stackInInventory.copy();
-				int stackLim = Math.min(inventory.getInventoryStackLimit(), itemStack.getMaxStackSize());
-				int rejectedAmount = Math.max((stackInInventory.stackSize + itemStack.stackSize) - stackLim, 0);
-				stackInInventory.stackSize = Math.min(Math.max((stackInInventory.stackSize + itemStack.stackSize - rejectedAmount), 0), inventory.getInventoryStackLimit());
-				itemStack.stackSize = rejectedAmount;
-				inventory.setInventorySlotContents(slotIndex, stackInInventory);
-			}
-		}
-
-		if (itemStack.stackSize <= 0)
-		{
-			return null;
-		}
-
-		return itemStack;
-	}
-
-	/**
-	 * Tries to take a item from a inventory at a specific position.
-	 * 
-	 * @param position
-	 * @return
-	 */
-	private ItemStack tryGrabFromPosition(Vector3 position, ForgeDirection direction)
-	{
-		ItemStack returnStack = null;
-		TileEntity tileEntity = position.getTileEntity(this.worldObj);
-
-		if (tileEntity != null)
-		{
-			/**
-			 * Try to put items into a chest.
-			 */
-			if (tileEntity instanceof TileEntityMulti)
-			{
-				Vector3 mainBlockPosition = ((TileEntityMulti) tileEntity).mainBlockPosition;
-
-				if (mainBlockPosition != null)
-				{
-					if (!(mainBlockPosition.getTileEntity(this.worldObj) instanceof TileEntityMulti))
-						return tryGrabFromPosition(mainBlockPosition, direction);
-				}
-			}
-			else if (tileEntity instanceof TileEntityChest)
-			{
-				TileEntityChest[] chests = { (TileEntityChest) tileEntity, null };
-
-				/**
-				 * Try to find a double chest.
-				 */
-				for (int i = 2; i < 6; i++)
-				{
-					ForgeDirection searchDirection = ForgeDirection.getOrientation(i);
-					Vector3 searchPosition = position.clone();
-					searchPosition.modifyPositionFromSide(searchDirection);
-
-					if (searchPosition.getTileEntity(this.worldObj) != null)
-					{
-						if (searchPosition.getTileEntity(this.worldObj).getClass() == chests[0].getClass())
-						{
-							chests[1] = (TileEntityChest) searchPosition.getTileEntity(this.worldObj);
-							break;
-						}
-					}
-				}
-
-				chestSearch:
-				for (TileEntityChest chest : chests)
-				{
-					if (chest != null)
-					{
-						for (int i = 0; i < chest.getSizeInventory(); i++)
-						{
-							ItemStack itemStack = this.removeStackFromInventory(i, chest);
-
-							if (itemStack != null)
-							{
-								returnStack = itemStack;
-								break chestSearch;
-							}
-						}
-					}
-				}
-			}
-			else if (tileEntity instanceof ISidedInventory)
-			{
-				ISidedInventory inventory = (ISidedInventory) tileEntity;
-
-				int[] slots = inventory.getAccessibleSlotsFromSide(direction.ordinal());
-
-				for (int i = 0; i < slots.length; i++)
-				{
-					int slot = slots[i];
-					ItemStack itemStack = this.removeStackFromInventory(i, inventory);
-					if (itemStack != null && inventory.canExtractItem(slot, itemStack, direction.ordinal()))
-					{
-						returnStack = itemStack;
-						break;
-					}
-				}
-			}
-			else if (tileEntity instanceof net.minecraftforge.common.ISidedInventory)
-			{
-				net.minecraftforge.common.ISidedInventory inventory = (net.minecraftforge.common.ISidedInventory) tileEntity;
-
-				int startIndex = inventory.getStartInventorySide(direction);
-
-				for (int i = startIndex; i < startIndex + inventory.getSizeInventorySide(direction); i++)
-				{
-					ItemStack itemStack = this.removeStackFromInventory(i, inventory);
-
-					if (itemStack != null)
-					{
-						returnStack = itemStack;
-						break;
-					}
-				}
-			}
-			else if (tileEntity instanceof IInventory)
-			{
-				IInventory inventory = (IInventory) tileEntity;
-
-				for (int i = 0; i < inventory.getSizeInventory(); i++)
-				{
-					ItemStack itemStack = this.removeStackFromInventory(i, inventory);
-					if (itemStack != null)
-					{
-						returnStack = itemStack;
-						break;
-					}
-				}
-			}
-		}
-
-		return returnStack;
-	}
-
-	public ItemStack removeStackFromInventory(int slotIndex, IInventory inventory)
-	{
-		if (inventory.getStackInSlot(slotIndex) != null)
-		{
-			ItemStack itemStack = inventory.getStackInSlot(slotIndex).copy();
-
-			if (this.getFilter() == null || this.isFiltering(itemStack))
-			{
-				itemStack.stackSize = 1;
-				inventory.decrStackSize(slotIndex, 1);
-				return itemStack;
-			}
-		}
-
-		return null;
-	}
-
 	@Override
 	public void readFromNBT(NBTTagCompound nbt)
 	{