From a4e3ef44ed4cad77b092fb5dd658e5c454b58f77 Mon Sep 17 00:00:00 2001
From: zontreck <tarapiccari@gmail.com>
Date: Mon, 1 Apr 2024 02:28:29 -0700
Subject: [PATCH] Add two variations of a read only item stack handler for
 input and output

---
 .../items/InputItemStackHandler.java          | 47 +++++++++++++++++++
 .../items/OutputItemStackHandler.java         | 45 ++++++++++++++++++
 2 files changed, 92 insertions(+)
 create mode 100644 src/main/java/dev/zontreck/libzontreck/items/InputItemStackHandler.java
 create mode 100644 src/main/java/dev/zontreck/libzontreck/items/OutputItemStackHandler.java

diff --git a/src/main/java/dev/zontreck/libzontreck/items/InputItemStackHandler.java b/src/main/java/dev/zontreck/libzontreck/items/InputItemStackHandler.java
new file mode 100644
index 0000000..8a38e42
--- /dev/null
+++ b/src/main/java/dev/zontreck/libzontreck/items/InputItemStackHandler.java
@@ -0,0 +1,47 @@
+package dev.zontreck.libzontreck.items;
+
+import net.minecraft.core.NonNullList;
+import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.ItemStackHandler;
+
+public class InputItemStackHandler extends ItemStackHandler {
+    private final ItemStackHandler internalSlot;
+
+    public InputItemStackHandler(ItemStackHandler hidden) {
+        super();
+        internalSlot = hidden;
+    }
+
+    @Override
+    public void setSize(int size) {
+        stacks = NonNullList.<ItemStack>withSize(size, ItemStack.EMPTY);
+    }
+
+    @Override
+    public void setStackInSlot(int slot, ItemStack stack) {
+        internalSlot.setStackInSlot(slot, stack);
+    }
+
+    @Override
+    public int getSlots() {
+        return internalSlot.getSlots();
+    }
+
+    @Override
+    public ItemStack getStackInSlot(int slot) {
+        return internalSlot.getStackInSlot(slot);
+    }
+
+    @Override
+    public ItemStack insertItem(int slot, ItemStack stack, boolean simulate) {
+        setStackInSlot(slot, stack);
+
+        return ItemStack.EMPTY;
+    }
+
+    @Override
+    public ItemStack extractItem(int slot, int amount, boolean simulate) {
+        return ItemStack.EMPTY;
+    }
+}
+
diff --git a/src/main/java/dev/zontreck/libzontreck/items/OutputItemStackHandler.java b/src/main/java/dev/zontreck/libzontreck/items/OutputItemStackHandler.java
new file mode 100644
index 0000000..38edacf
--- /dev/null
+++ b/src/main/java/dev/zontreck/libzontreck/items/OutputItemStackHandler.java
@@ -0,0 +1,45 @@
+package dev.zontreck.libzontreck.items;
+
+import net.minecraft.core.NonNullList;
+import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.items.ItemStackHandler;
+
+public class OutputItemStackHandler extends ItemStackHandler {
+    private final ItemStackHandler internalSlot;
+
+    public OutputItemStackHandler(ItemStackHandler hidden) {
+        super();
+        internalSlot = hidden;
+    }
+
+    @Override
+    public void setSize(int size) {
+        stacks = NonNullList.<ItemStack>withSize(size, ItemStack.EMPTY);
+    }
+
+    @Override
+    public void setStackInSlot(int slot, ItemStack stack) {
+        internalSlot.setStackInSlot(slot, stack);
+    }
+
+    @Override
+    public int getSlots() {
+        return internalSlot.getSlots();
+    }
+
+    @Override
+    public ItemStack getStackInSlot(int slot) {
+        return internalSlot.getStackInSlot(slot);
+    }
+
+    @Override
+    public ItemStack insertItem(int slot, ItemStack stack, boolean simulate) {
+        return stack;
+    }
+
+    @Override
+    public ItemStack extractItem(int slot, int amount, boolean simulate) {
+        return internalSlot.extractItem(slot, amount, simulate);
+    }
+}
+