display the amount of items in the adept hopper

src/main/java/de/ellpeck/naturesaura/blocks/tiles/TileEntityGratedChute.java

@@ -19,7 +19,7 @@ import java.util.List;
 
 public class TileEntityGratedChute extends TileEntityImpl implements ITickable {
 
-    private final ItemStackHandlerNA items = new ItemStackHandlerNA(1, this, false) {
+    private final ItemStackHandlerNA items = new ItemStackHandlerNA(1, this, true) {
         @Override
         protected boolean canExtract(ItemStack stack, int slot, int amount) {
             return TileEntityGratedChute.this.redstonePower <= 0;
@@ -124,15 +124,19 @@ public class TileEntityGratedChute extends TileEntityImpl implements ITickable {
     @Override
     public void writeNBT(NBTTagCompound compound, SaveType type) {
         super.writeNBT(compound, type);
-        if (type != SaveType.BLOCK)
+        if (type != SaveType.BLOCK) {
             compound.setInteger("cooldown", this.cooldown);
+            compound.setTag("items", this.items.serializeNBT());
+        }
     }
 
     @Override
     public void readNBT(NBTTagCompound compound, SaveType type) {
         super.readNBT(compound, type);
-        if (type != SaveType.BLOCK)
+        if (type != SaveType.BLOCK) {
             this.cooldown = compound.getInteger("cooldown");
+            this.items.deserializeNBT(compound.getCompoundTag("items"));
+        }
     }
 
     @Override

src/main/java/de/ellpeck/naturesaura/events/ClientEvents.java

@@ -9,13 +9,13 @@ import de.ellpeck.naturesaura.api.aura.chunk.IAuraChunk;
 import de.ellpeck.naturesaura.api.aura.container.IAuraContainer;
 import de.ellpeck.naturesaura.api.aura.type.IAuraType;
 import de.ellpeck.naturesaura.api.render.IVisualizable;
+import de.ellpeck.naturesaura.blocks.tiles.TileEntityGratedChute;
 import de.ellpeck.naturesaura.blocks.tiles.TileEntityNatureAltar;
 import de.ellpeck.naturesaura.blocks.tiles.TileEntityRFConverter;
 import de.ellpeck.naturesaura.compat.Compat;
 import de.ellpeck.naturesaura.items.ItemRangeVisualizer;
 import de.ellpeck.naturesaura.items.ModItems;
 import de.ellpeck.naturesaura.particles.ParticleHandler;
-import de.ellpeck.naturesaura.particles.ParticleMagic;
 import net.minecraft.block.Block;
 import net.minecraft.block.IGrowable;
 import net.minecraft.block.state.IBlockState;
@@ -37,7 +37,6 @@ import net.minecraft.world.biome.BiomeColorHelper;
 import net.minecraftforge.client.event.RenderGameOverlayEvent;
 import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
 import net.minecraftforge.client.event.RenderWorldLastEvent;
-import net.minecraftforge.client.event.TextureStitchEvent;
 import net.minecraftforge.common.IPlantable;
 import net.minecraftforge.energy.EnergyStorage;
 import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
@@ -365,6 +364,17 @@ public class ClientEvents {
                                 this.drawContainerInfo(storage.getEnergyStored(), storage.getMaxEnergyStored(), 0xcc4916,
                                         mc, res, 35, I18n.format("tile.naturesaura.rf_converter.name"),
                                         storage.getEnergyStored() + " / " + storage.getMaxEnergyStored() + " RF");
+                            } else if (tile instanceof TileEntityGratedChute) {
+                                ItemStack stack = ((TileEntityGratedChute) tile).getItemHandler(null).getStackInSlot(0);
+
+                                int x = res.getScaledWidth() / 2;
+                                int y = res.getScaledHeight() / 2;
+                                if (stack.isEmpty())
+                                    mc.fontRenderer.drawString(
+                                            TextFormatting.GRAY.toString() + TextFormatting.ITALIC + I18n.format("info.naturesaura.empty"),
+                                            x + 5, y - 11, 0xFFFFFF, true);
+                                else
+                                    Helper.renderItemInGui(stack, x + 2, y - 18, 1F);
                             }
                         }
                     }

src/main/resources/assets/naturesaura/lang/en_US.lang

@@ -91,6 +91,7 @@ info.naturesaura.connected=You made a connection
 info.naturesaura.same_position=This seems to be the position from your notes...
 info.naturesaura.too_far=The distance seems too great...
 info.naturesaura.stored_pos_gone=Your notes seem out of date...
+info.naturesaura.empty=Empty
 
 advancement.naturesaura.root=Nature's Aura
 advancement.naturesaura.root.desc=Becoming a magical botanist

src/main/resources/assets/naturesaura/patchouli_books/book/en_us/entries/devices/grated_chute.json

@@ -14,7 +14,7 @@
         },
         {
             "type": "crafting",
-            "text": "Creating the $(item)Adept Hopper$()",
+            "text": "Creating the $(item)Adept Hopper$()$(p)It should be noted that, when equipping an $(l:items/eye)Environmental Eye$(), the amount of items currently stored in the hopper can be seen.",
             "recipe": "naturesaura:grated_chute"
         }
     ]