added stuff

- storage proxy block: reads an another inventory into system
- right clicking to push 1 item works
- when take() returns 0, don't give any item stack to the player
- tweaked energy usage

src/main/java/storagecraft/inventory/ContainerDrive.java

@@ -2,7 +2,7 @@ package storagecraft.inventory;
 
 import net.minecraft.entity.player.EntityPlayer;
 import storagecraft.SCItems;
-import storagecraft.inventory.slot.SlotDrive;
+import storagecraft.inventory.slot.SlotItemFilter;
 import storagecraft.tile.TileDrive;
 
 public class ContainerDrive extends ContainerSC {
@@ -15,7 +15,7 @@ public class ContainerDrive extends ContainerSC {
 		int y = 20;
 
 		for (int i = 0; i < 8; ++i) {
-			addSlotToContainer(new SlotDrive(drive, i, x, y, SCItems.STORAGE_CELL, drive));
+			addSlotToContainer(new SlotItemFilter(drive, i, x, y, SCItems.STORAGE_CELL));
 
 			if ((i + 1) % 2 == 0) {
 				x = 71;

src/main/java/storagecraft/inventory/slot/SlotDrive.java

@@ -1,30 +0,0 @@
-package storagecraft.inventory.slot;
-
-import net.minecraft.inventory.IInventory;
-import net.minecraft.item.Item;
-import net.minecraft.item.ItemStack;
-import storagecraft.tile.TileDrive;
-
-public class SlotDrive extends SlotItemFilter {
-	private TileDrive drive;
-
-	public SlotDrive(IInventory inventory, int id, int x, int y, Item item, TileDrive drive) {
-		super(inventory, id, x, y, item);
-
-		this.drive = drive;
-	}
-
-	@Override
-	public boolean isItemValid(ItemStack item) {
-		return drive.isConnected() && super.isItemValid(item);
-	}
-
-	@Override
-	public void onSlotChanged() {
-		super.onSlotChanged();
-
-		if (drive.isConnected()) {
-			drive.getController().syncStorage();
-		}
-	}
-}