Graceful saving/loading and breaking of CPUs.

tile/crafting/TileCraftingTile.java

@@ -1,15 +1,25 @@
 package appeng.tile.crafting;
 
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.EnumSet;
+import java.util.Iterator;
+import java.util.LinkedList;
 
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.common.util.ForgeDirection;
+import appeng.api.config.Actionable;
 import appeng.api.implementations.IPowerChannelState;
 import appeng.api.networking.GridFlags;
+import appeng.api.networking.IGridHost;
 import appeng.api.networking.events.MENetworkChannelsChanged;
 import appeng.api.networking.events.MENetworkEventSubscribe;
 import appeng.api.networking.events.MENetworkPowerStatusChange;
 import appeng.api.parts.ISimplifiedBundle;
+import appeng.api.storage.IMEInventory;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.util.WorldCoord;
 import appeng.me.cluster.IAECluster;
 import appeng.me.cluster.IAEMultiBlock;
 import appeng.me.cluster.implementations.CraftingCPUCalculator;
@@ -20,6 +30,7 @@ import appeng.tile.events.AETileEventHandler;
 import appeng.tile.events.TileEventType;
 import appeng.tile.grid.AENetworkTile;
 import appeng.util.Platform;
+import appeng.util.item.ItemList;
 
 public class TileCraftingTile extends AENetworkTile implements IAEMultiBlock, IPowerChannelState
 {
@@ -201,4 +212,60 @@ public class TileCraftingTile extends AENetworkTile implements IAEMultiBlock, IP
 		return isPowered() && isFormed();
 	}
 
+	public void breakCluster()
+	{
+		if ( clust != null )
+		{
+			clust.cancel();
+			IMEInventory<IAEItemStack> inv = clust.getInventory();
+
+			LinkedList<WorldCoord> places = new LinkedList<WorldCoord>();
+
+			Iterator<IGridHost> i = clust.getTiles();
+			while (i.hasNext())
+			{
+				IGridHost h = i.next();
+				if ( h == this )
+					places.add( new WorldCoord( this ) );
+				else
+				{
+					TileEntity te = (TileEntity) h;
+
+					for (ForgeDirection d : ForgeDirection.VALID_DIRECTIONS)
+					{
+						WorldCoord wc = new WorldCoord( te );
+						wc.add( d, 1 );
+						if ( worldObj.isAirBlock( wc.x, wc.y, wc.z ) )
+							places.add( wc );
+					}
+
+				}
+			}
+
+			Collections.shuffle( places );
+
+			if ( places.isEmpty() )
+				throw new RuntimeException( "No air or even the tile hat was destroyed?!?!" );
+
+			for (IAEItemStack ais : inv.getAvailableItems( new ItemList<IAEItemStack>( IAEItemStack.class ) ))
+			{
+				ais = ais.copy();
+				ais.setStackSize( ais.getItemStack().getMaxStackSize() );
+				while (true)
+				{
+					IAEItemStack g = inv.extractItems( ais.copy(), Actionable.MODULATE, clust.getActionSource() );
+					if ( g == null )
+						break;
+
+					WorldCoord wc = places.poll();
+					places.add( wc );
+
+					Platform.spawnDrops( worldObj, wc.x, wc.y, wc.z, Arrays.asList( g.getItemStack() ) );
+				}
+
+			}
+
+			clust.destroy();
+		}
+	}
 }