Fixed a crash and re-add pipe gauge

src/main/java/resonantinduction/mechanical/fluid/network/FluidNetwork.java

@@ -15,7 +15,7 @@ import calclavia.lib.utility.FluidHelper;
 
 public class FluidNetwork extends Network<IFluidNetwork, IFluidPart, IFluidHandler> implements IFluidNetwork
 {
-    protected FluidTank tank;
+    protected FluidTank tank = new FluidTank(0);
     protected final FluidTankInfo[] tankInfo = new FluidTankInfo[1];
     protected boolean loadPart = false;
     protected long ticks = 0;
@@ -281,6 +281,10 @@ public class FluidNetwork extends Network<IFluidNetwork, IFluidPart, IFluidHandl
     @Override
     public FluidTank getTank()
     {
+        if (this.tank == null)
+        {
+            this.tank = new FluidTank(0);
+        }
         return this.tank;
     }
 

src/main/java/resonantinduction/mechanical/item/ItemReadoutTools.java

@@ -0,0 +1,122 @@
+package resonantinduction.mechanical.item;
+
+import java.util.List;
+
+import net.minecraft.client.renderer.texture.IconRegister;
+import net.minecraft.creativetab.CreativeTabs;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.ChatMessageComponent;
+import net.minecraft.util.Icon;
+import net.minecraft.world.World;
+import net.minecraftforge.common.ForgeDirection;
+import net.minecraftforge.fluids.FluidStack;
+import net.minecraftforge.fluids.FluidTankInfo;
+import net.minecraftforge.fluids.IFluidHandler;
+import resonantinduction.api.IReadOut;
+import resonantinduction.api.IReadOut.EnumTools;
+import resonantinduction.core.Reference;
+import resonantinduction.core.Settings;
+import resonantinduction.core.prefab.item.ItemBase;
+import calclavia.lib.utility.FluidHelper;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+
+public class ItemReadoutTools extends ItemBase
+{
+    Icon pipeGuage;
+
+    public ItemReadoutTools()
+    {
+        super("PipeGuage", Settings.getNextItemID());
+        this.setHasSubtypes(true);
+        this.setCreativeTab(CreativeTabs.tabTools);
+        this.setMaxStackSize(1);
+
+    }
+
+    @SideOnly(Side.CLIENT)
+    @Override
+    public void registerIcons(IconRegister iconRegister)
+    {
+        this.pipeGuage = iconRegister.registerIcon(Reference.PREFIX + "readout.PipeGauge");
+    }
+
+    @SideOnly(Side.CLIENT)
+    @Override
+    public Icon getIconFromDamage(int meta)
+    {
+        if (meta == 0)
+        {
+            return pipeGuage;
+        }
+        return null;
+    }
+
+    @Override
+    public String getUnlocalizedName(ItemStack itemStack)
+    {
+        int meta = itemStack.getItemDamage();
+        if (meta == 0)
+        {
+            return "item." + "PipeGauge";
+        }
+        return "item." + this.getUnlocalizedName() + "." + meta;
+    }
+
+    @Override
+    public void getSubItems(int par1, CreativeTabs par2CreativeTabs, List par3List)
+    {
+        par3List.add(new ItemStack(this, 1, 0));
+        par3List.add(new ItemStack(this, 1, 1));
+    }
+
+    @Override
+    public boolean onItemUse(ItemStack itemStack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ)
+    {
+        if (!world.isRemote)
+        {
+            TileEntity tileEntity = world.getBlockTileEntity(x, y, z);
+            EnumTools tool = EnumTools.get(itemStack.getItemDamage());
+
+            if (tool != null)
+            {
+                ForgeDirection hitSide = ForgeDirection.getOrientation(side);
+                if (tileEntity instanceof IReadOut)
+                {
+                    String output = ((IReadOut) tileEntity).getMeterReading(player, hitSide, tool);
+                    if (output != null && !output.isEmpty())
+                    {
+                        if (output.length() > 100)
+                        {
+                            output = output.substring(0, 100);
+                        }
+                        output.trim();
+                        player.sendChatToPlayer(ChatMessageComponent.createFromText("ReadOut> " + output));
+                        return true;
+                    }
+                }
+                if (tool == EnumTools.PIPE_GUAGE)
+                {
+                    if (tileEntity instanceof IFluidHandler)
+                    {
+                        FluidTankInfo[] tanks = ((IFluidHandler) tileEntity).getTankInfo(ForgeDirection.getOrientation(side));
+                        if (tanks != null)
+                        {
+                            player.sendChatToPlayer(ChatMessageComponent.createFromText("FluidHandler> Side:" + hitSide.toString() + " Tanks:" + tanks.length));
+                            for (FluidStack stack : FluidHelper.getFluidList(tanks))
+                            {
+                                player.sendChatToPlayer(ChatMessageComponent.createFromText("Fluid>" + stack.amount + "mb of " + stack.getFluid().getName()));
+                            }
+                            return true;
+                        }
+                    }
+                }
+            }
+
+        }
+
+        return false;
+    }
+}