Now stores eu when broken with a wrench. Added empty and full ones to creative tab.

src/main/java/techreborn/init/ModBlocks.java

@@ -233,7 +233,7 @@ public class ModBlocks {
 		GameRegistry.registerBlock(Idsu, "idsu");
 		
 		Aesu = new BlockAesu(Material.rock);
-		GameRegistry.registerBlock(Aesu, "aesu");
+		GameRegistry.registerBlock(Aesu, ItemBlockAesu.class,  "aesu");
 		GameRegistry.registerTileEntity(TileAesu.class, "TileAesuTR");
 		
 		Lesu = new BlockLesu(Material.rock);

src/main/java/techreborn/itemblocks/ItemBlockAesu.java

@@ -0,0 +1,92 @@
+package techreborn.itemblocks;
+
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+import ic2.api.item.ElectricItem;
+import net.minecraft.block.Block;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.World;
+import techreborn.init.ModBlocks;
+import techreborn.tiles.TileAesu;
+import techreborn.tiles.TileQuantumChest;
+
+import java.util.List;
+
+public class ItemBlockAesu extends ItemBlock {
+
+    public ItemBlockAesu(Block p_i45328_1_)
+    {
+        super(p_i45328_1_);
+    }
+
+    @SuppressWarnings(
+            { "rawtypes", "unchecked" })
+    @Override
+    @SideOnly(Side.CLIENT)
+    public void addInformation(ItemStack stack, EntityPlayer player, List list,
+                               boolean par4)
+    {
+        if (stack != null && stack.hasTagCompound())
+        {
+            if (stack.getTagCompound().getCompoundTag("tileEntity") != null)
+                list.add(stack.getTagCompound().getCompoundTag("tileEntity")
+                        .getDouble("energy")
+                        + " eu");
+        }
+    }
+
+    @Override
+    public boolean placeBlockAt(ItemStack stack, EntityPlayer player,
+                                World world, int x, int y, int z, int side, float hitX, float hitY,
+                                float hitZ, int metadata)
+    {
+        if (!world.setBlock(x, y, z, ModBlocks.Aesu, metadata, 3))
+        {
+            return false;
+        }
+        if (world.getBlock(x, y, z) == ModBlocks.Aesu)
+        {
+            world.getBlock(x, y, z).onBlockPlacedBy(world, x, y, z, player,
+                    stack);
+            world.getBlock(x, y, z).onPostBlockPlaced(world, x, y, z, metadata);
+        }
+        if (stack != null && stack.hasTagCompound())
+        {
+            ((TileAesu) world.getTileEntity(x, y, z))
+                    .readFromNBTWithoutCoords(stack.getTagCompound()
+                            .getCompoundTag("tileEntity"));
+        }
+        return true;
+    }
+
+    @SuppressWarnings(
+            { "rawtypes", "unchecked" })
+    @SideOnly(Side.CLIENT)
+    public void getSubItems(Item item, CreativeTabs par2CreativeTabs, List itemList){
+        itemList.add(getDropWithNBT(0));
+        itemList.add(getDropWithNBT(1000000000));
+    }
+
+    public ItemStack getDropWithNBT(double energy)
+    {
+        NBTTagCompound tileEntity = new NBTTagCompound();
+        ItemStack dropStack = new ItemStack(ModBlocks.Aesu, 1);
+        writeToNBTWithoutCoords(tileEntity, energy);
+        dropStack.setTagCompound(new NBTTagCompound());
+        dropStack.stackTagCompound.setTag("tileEntity", tileEntity);
+        return dropStack;
+    }
+
+    public void writeToNBTWithoutCoords(NBTTagCompound tagCompound, double energy)
+    {
+        tagCompound.setDouble("energy", energy);
+        tagCompound.setDouble("euChange", 0);
+        tagCompound.setDouble("euLastTick", 0);
+        tagCompound.setBoolean("active", false);
+    }
+}

src/main/java/techreborn/tiles/TileAesu.java

@@ -1,9 +1,12 @@
 package techreborn.tiles;
 
+import ic2.api.energy.EnergyNet;
 import ic2.api.tile.IWrenchable;
 import ic2.core.block.wiring.TileEntityElectricBlock;
+import ic2.core.util.Util;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import techreborn.config.ConfigTechReborn;
 import techreborn.init.ModBlocks;
 import techreborn.util.Inventory;
@@ -33,18 +36,26 @@ public class TileAesu extends TileEntityElectricBlock implements IWrenchable {
         if(ticks == ConfigTechReborn.aveargeEuOutTickTime){
             euChange = -1;
             ticks = 0;
+
         } else {
             ticks ++;
             euChange += energy - euLastTick;
+            if(euLastTick == energy){
+                euChange = 0;
             }
+        }
+
         euLastTick = energy;
 	}
 
 	@Override
 	public boolean wrenchCanSetFacing(EntityPlayer entityPlayer, int side)
 	{
+        if(!entityPlayer.isSneaking()){
             return true;
         }
+		return false;
+	}
 
 	@Override
 	public short getFacing()
@@ -78,7 +89,7 @@ public class TileAesu extends TileEntityElectricBlock implements IWrenchable {
 	@Override
 	public ItemStack getWrenchDrop(EntityPlayer entityPlayer)
 	{
-		return new ItemStack(ModBlocks.Aesu, 1);
+		return getDropWithNBT();
 	}
 
 	public boolean isComplete()
@@ -133,5 +144,33 @@ public class TileAesu extends TileEntityElectricBlock implements IWrenchable {
         return (euChange / ticks);
     }
 
+    public ItemStack getDropWithNBT()
+    {
+        NBTTagCompound tileEntity = new NBTTagCompound();
+        ItemStack dropStack = new ItemStack(ModBlocks.Aesu, 1);
+        writeToNBTWithoutCoords(tileEntity);
+        dropStack.setTagCompound(new NBTTagCompound());
+        dropStack.stackTagCompound.setTag("tileEntity", tileEntity);
+        return dropStack;
+    }
+
+    public void writeToNBTWithoutCoords(NBTTagCompound tagCompound)
+    {
+        tagCompound.setDouble("energy", this.energy);
+        tagCompound.setDouble("euChange", euChange);
+        tagCompound.setDouble("euLastTick", euLastTick);
+        tagCompound.setBoolean("active", this.getActive());
+        tagCompound.setByte("redstoneMode", this.redstoneMode);
+        inventory.writeToNBT(tagCompound);
+    }
+
+    public void readFromNBTWithoutCoords(NBTTagCompound nbttagcompound) {
+        this.energy = Util.limit(nbttagcompound.getDouble("energy"), 0.0D, (double) this.maxStorage + EnergyNet.instance.getPowerFromTier(this.tier));
+        this.redstoneMode = nbttagcompound.getByte("redstoneMode");
+        this.euChange = nbttagcompound.getDouble("euChange");
+        this.euLastTick = nbttagcompound.getDouble("euLastTick");
+        inventory.readFromNBT(nbttagcompound);
+    }
+
 
 }