Relocate Source to proper directory.

src/main/java/appeng/parts/layers/LayerIEnergySink.java

@@ -0,0 +1,159 @@
+package appeng.parts.layers;
+
+import ic2.api.energy.tile.IEnergySink;
+import ic2.api.energy.tile.IEnergyTile;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.common.util.ForgeDirection;
+import appeng.api.parts.IPart;
+import appeng.api.parts.IPartHost;
+import appeng.api.parts.LayerBase;
+import appeng.api.parts.LayerFlags;
+import appeng.util.Platform;
+
+public class LayerIEnergySink extends LayerBase implements IEnergySink
+{
+
+	private boolean isInIC2()
+	{
+		return getLayerFlags().contains( LayerFlags.IC2_ENET );
+	}
+
+	private TileEntity getEnergySinkTile()
+	{
+		IPartHost host = (IPartHost) this;
+		return host.getTile();
+	}
+
+	private World getEnergySinkWorld()
+	{
+		if ( getEnergySinkTile() == null )
+			return null;
+
+		return getEnergySinkTile().getWorldObj();
+	}
+
+	private boolean isTileValid()
+	{
+		TileEntity te = getEnergySinkTile();
+
+		if ( te == null )
+			return false;
+
+		return !te.isInvalid() && te.getWorldObj().blockExists( te.xCoord, te.yCoord, te.zCoord );
+	}
+
+	final private void addToENet()
+	{
+		if ( getEnergySinkWorld() == null )
+			return;
+
+		// re-add
+		removeFromENet();
+
+		if ( !isInIC2() && Platform.isServer() && isTileValid() )
+		{
+			getLayerFlags().add( LayerFlags.IC2_ENET );
+			MinecraftForge.EVENT_BUS.post( new ic2.api.energy.event.EnergyTileLoadEvent( (IEnergySink) getEnergySinkTile() ) );
+		}
+	}
+
+	final private void removeFromENet()
+	{
+		if ( getEnergySinkWorld() == null )
+			return;
+
+		if ( isInIC2() && Platform.isServer() )
+		{
+			getLayerFlags().remove( LayerFlags.IC2_ENET );
+			MinecraftForge.EVENT_BUS.post( new ic2.api.energy.event.EnergyTileUnloadEvent( (IEnergySink) getEnergySinkTile() ) );
+		}
+	}
+
+	final private boolean interestedInIC2()
+	{
+		if ( !((IPartHost) this).isInWorld() )
+			return false;
+
+		int interested = 0;
+		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS)
+		{
+			IPart part = getPart( dir );
+			if ( part instanceof IEnergyTile )
+			{
+				interested++;
+			}
+		}
+		return interested == 1;// if more then one tile is interested we need to abandonship...
+	}
+
+	@Override
+	public void partChanged()
+	{
+		super.partChanged();
+
+		if ( interestedInIC2() )
+			addToENet();
+		else
+			removeFromENet();
+	}
+
+	@Override
+	public boolean acceptsEnergyFrom(TileEntity emitter, ForgeDirection direction)
+	{
+		if ( !isInIC2() )
+			return false;
+
+		IPart part = getPart( direction );
+		if ( part instanceof IEnergySink )
+			return ((IEnergySink) part).acceptsEnergyFrom( emitter, direction );
+		return false;
+	}
+
+	@Override
+	public double getDemandedEnergy()
+	{
+		if ( !isInIC2() )
+			return 0;
+
+		// this is a flawed implementation, that requires a change to the IC2 API.
+
+		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS)
+		{
+			IPart part = getPart( dir );
+			if ( part instanceof IEnergySink )
+			{
+				// use lower number cause ic2 deletes power it sends that isn't received.
+				return ((IEnergySink) part).getDemandedEnergy();
+			}
+		}
+
+		return 0;
+	}
+
+	@Override
+	public double injectEnergy(ForgeDirection directionFrom, double amount, double voltage)
+	{
+		if ( !isInIC2() )
+			return amount;
+
+		for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS)
+		{
+			IPart part = getPart( dir );
+			if ( part instanceof IEnergySink )
+			{
+				return ((IEnergySink) part).injectEnergy( directionFrom, amount, voltage );
+			}
+		}
+
+		return amount;
+	}
+
+	@Override
+	public int getSinkTier()
+	{
+		return Integer.MAX_VALUE; // no real options here...
+	}
+
+}