From 2b0c0f25b9e9ca690bb334479f798794fec6dd38 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Tue, 14 May 2024 21:36:14 -0400
Subject: Combinable Slots: New module.

---
 .../trashyaddon/modules/MatchedItemHighlight.java  | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/main/java/org/chrisoft/trashyaddon/modules/MatchedItemHighlight.java

(limited to 'src/main/java/org/chrisoft/trashyaddon/modules/MatchedItemHighlight.java')

diff --git a/src/main/java/org/chrisoft/trashyaddon/modules/MatchedItemHighlight.java b/src/main/java/org/chrisoft/trashyaddon/modules/MatchedItemHighlight.java
new file mode 100644
index 0000000..41910c7
--- /dev/null
+++ b/src/main/java/org/chrisoft/trashyaddon/modules/MatchedItemHighlight.java
@@ -0,0 +1,97 @@
+package org.chrisoft.trashyaddon.modules;
+
+import meteordevelopment.meteorclient.events.packets.InventoryEvent;
+import meteordevelopment.meteorclient.events.packets.PacketEvent;
+import meteordevelopment.meteorclient.systems.modules.Module;
+import meteordevelopment.meteorclient.systems.modules.Categories;
+import meteordevelopment.meteorclient.utils.render.color.Color;
+import meteordevelopment.orbit.EventHandler;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.packet.c2s.play.CloseHandledScreenC2SPacket;
+import net.minecraft.network.packet.s2c.play.CloseScreenS2CPacket;
+import net.minecraft.network.packet.s2c.play.ScreenHandlerSlotUpdateS2CPacket;
+import net.minecraft.screen.PlayerScreenHandler;
+import net.minecraft.screen.ScreenHandler;
+
+import java.util.ArrayList;
+
+public class MatchedItemHighlight extends Module {
+    private ScreenHandler screenHandler;
+    private final ArrayList<Color> slotColors;
+    private static final Color transparent = new Color(0, 0, 0, 0);
+    public MatchedItemHighlight() {
+        super(Categories.Render, "Combinable Slots", "Highlight items that can be combined in your inventory and a container.");
+        slotColors = new ArrayList<>();
+    }
+
+    public void onActivate() { screenHandler = null; }
+
+    public Color getSlotColor(int index) {
+        if (!this.isActive() || index >= slotColors.size())
+            return transparent;
+        return slotColors.get(index);
+    }
+
+    private void updateColors() {
+        if (screenHandler == null)
+            return;
+        slotColors.clear();
+        for (int i = 0 ; i < screenHandler.slots.size(); ++i)
+            slotColors.add(new Color(transparent));
+        int firstInventorySlot = screenHandler.slots.size() - 36;
+        if (firstInventorySlot <= 0)
+            return;
+        int colorIndex = 0;
+        for (int i = 0; i < firstInventorySlot; ++ i) {
+            if (screenHandler.getSlot(i).getStack().isEmpty())
+                continue;
+            for (int j = firstInventorySlot; j < screenHandler.slots.size(); ++ j) {
+                if (screenHandler.getSlot(j).getStack().isEmpty())
+                    continue;
+                if (ItemStack.canCombine(screenHandler.getSlot(i).getStack(), screenHandler.getSlot(j).getStack()) ||
+                    ItemStack.canCombine(screenHandler.getSlot(j).getStack(), screenHandler.getSlot(i).getStack())) {
+                    Color c;
+                    if (!slotColors.get(i).equals(transparent))
+                        c = new Color(slotColors.get(i));
+                    else if (!slotColors.get(j).equals(transparent))
+                        c = new Color(slotColors.get(j));
+                    else {
+                        c = Color.fromHsv(colorIndex * 45, 0.6, 1.).a(160);
+                        ++ colorIndex;
+                        if (colorIndex > 7) colorIndex = 0;
+                    }
+                    slotColors.set(i, new Color(c));
+                    slotColors.set(j, new Color(c));
+                }
+            }
+        }
+    }
+
+    @EventHandler
+    private void onInventory(InventoryEvent event) {
+        if (mc.player.currentScreenHandler instanceof PlayerScreenHandler)
+            return;
+        screenHandler = mc.player.currentScreenHandler;
+        if (screenHandler != null && event.packet.getSyncId() == screenHandler.syncId)
+            updateColors();
+    }
+
+    @EventHandler
+    private void onReceivePacket(PacketEvent.Receive e) {
+        if (e.packet instanceof ScreenHandlerSlotUpdateS2CPacket p) {
+            if (screenHandler != null && p.getSyncId() == screenHandler.syncId)
+                updateColors();
+        } else if (e.packet instanceof CloseScreenS2CPacket) {
+            screenHandler = null;
+            slotColors.clear();
+        }
+    }
+
+    @EventHandler
+    private void onSendPacket(PacketEvent.Send e) {
+        if (e.packet instanceof CloseHandledScreenC2SPacket p) {
+            screenHandler = null;
+            slotColors.clear();
+        }
+    }
+}
-- 
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