From 49dd056c3d7076c2c16087a3ff1ba174aca02aab Mon Sep 17 00:00:00 2001
From: Colbster937 <colbster937@colbster937.dev>
Date: Tue, 20 Oct 2026 08:04:50 -0500
Subject: [PATCH] feat: fix metallum compat

---
 .../meteorclient/MixinPlugin.java             |  4 ++
 .../mixin/metallum/MetalDeviceMixin.java      | 49 +++++++++++++++++++
 src/main/resources/fabric.mod.json            |  3 +-
 .../meteor-client-metallum.mixins.json        | 15 ++++++
 4 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/meteordevelopment/meteorclient/mixin/metallum/MetalDeviceMixin.java
 create mode 100644 src/main/resources/meteor-client-metallum.mixins.json

diff --git a/src/main/java/meteordevelopment/meteorclient/MixinPlugin.java b/src/main/java/meteordevelopment/meteorclient/MixinPlugin.java
index 9e9d9da1a4d..d04e014f0af 100644
--- a/src/main/java/meteordevelopment/meteorclient/MixinPlugin.java
+++ b/src/main/java/meteordevelopment/meteorclient/MixinPlugin.java
@@ -24,6 +24,7 @@ public class MixinPlugin implements IMixinConfigPlugin {
     private static boolean isLithiumPresent;
     public static boolean isIrisPresent;
     private static boolean isBaritonePresent;
+    private static boolean isMetallumPresent;
 
     @Override
     public void onLoad(String mixinPackage) {
@@ -35,6 +36,7 @@ public void onLoad(String mixinPackage) {
         isLithiumPresent = FabricLoader.getInstance().isModLoaded("lithium");
         isIrisPresent = FabricLoader.getInstance().isModLoaded("iris");
         isBaritonePresent = FabricLoader.getInstance().isModLoaded("baritone") || FabricLoader.getInstance().isModLoaded("baritone-meteor");
+        isMetallumPresent = FabricLoader.getInstance().isModLoaded("metallum");
 
         loaded = true;
     }
@@ -58,6 +60,8 @@ public boolean shouldApplyMixin(String targetClassName, String mixinClassName) {
             return isLithiumPresent;
         } else if (mixinClassName.startsWith(mixinPackage + ".baritone")) {
             return isBaritonePresent;
+        } else if (mixinClassName.startsWith(mixinPackage + ".metallum")) {
+            return isMetallumPresent;
         }
 
 
diff --git a/src/main/java/meteordevelopment/meteorclient/mixin/metallum/MetalDeviceMixin.java b/src/main/java/meteordevelopment/meteorclient/mixin/metallum/MetalDeviceMixin.java
new file mode 100644
index 00000000000..73970a927ea
--- /dev/null
+++ b/src/main/java/meteordevelopment/meteorclient/mixin/metallum/MetalDeviceMixin.java
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the Meteor Client distribution (https://github.com/MeteorDevelopment/meteor-client).
+ * Copyright (c) Meteor Development.
+ */
+
+package meteordevelopment.meteorclient.mixin.metallum;
+
+import com.mojang.renderpearl.backend.api.RenderPassBackend;
+import meteordevelopment.meteorclient.mixininterface.IGpuDevice;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+
+@Mixin(targets = "com.metallum.render.MetalDevice", remap = false)
+public abstract class MetalDeviceMixin implements IGpuDevice {
+    @Unique
+    private int x, y, width, height;
+
+    @Unique
+    private boolean set;
+
+    @Override
+    public void meteor$pushScissor(int x, int y, int width, int height) {
+        if (set)
+            throw new IllegalStateException("Currently there can only be one global scissor pushed");
+
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+
+        set = true;
+    }
+
+    @Override
+    public void meteor$popScissor() {
+        if (!set)
+            throw new IllegalStateException("No scissor pushed");
+
+        set = false;
+    }
+
+    @Deprecated
+    @Override
+    public void meteor$onCreateRenderPass(RenderPassBackend backend) {
+        if (set) {
+            backend.enableScissor(x, y, width, height);
+        }
+    }
+}
diff --git a/src/main/resources/fabric.mod.json b/src/main/resources/fabric.mod.json
index b7f86d9697d..b01da247e8a 100644
--- a/src/main/resources/fabric.mod.json
+++ b/src/main/resources/fabric.mod.json
@@ -31,7 +31,8 @@
     "meteor-client-baritone.mixins.json",
     "meteor-client-indigo.mixins.json",
     "meteor-client-sodium.mixins.json",
-    "meteor-client-lithium.mixins.json"
+    "meteor-client-lithium.mixins.json",
+    "meteor-client-metallum.mixins.json"
   ],
   "accessWidener": "meteor-client.classtweaker",
   "custom": {
diff --git a/src/main/resources/meteor-client-metallum.mixins.json b/src/main/resources/meteor-client-metallum.mixins.json
new file mode 100644
index 00000000000..97262e71527
--- /dev/null
+++ b/src/main/resources/meteor-client-metallum.mixins.json
@@ -0,0 +1,15 @@
+{
+  "required": false,
+  "package": "meteordevelopment.meteorclient.mixin.metallum",
+  "compatibilityLevel": "JAVA_21",
+  "plugin": "meteordevelopment.meteorclient.MixinPlugin",
+  "client": [
+    "MetalDeviceMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  },
+  "mixinextras": {
+    "minVersion": "0.5.0"
+  }
+}