From 0403613b9bff2610f46d4453505590aeeee13238 Mon Sep 17 00:00:00 2001
From: 3arthqu4ke <56741599+3arthqu4ke@users.noreply.github.com>
Date: Tue, 20 Jun 2023 22:03:55 +0200
Subject: [PATCH] [1.7.1] Add support for forge 1.20.1

---
 .../ForgeDisplayWindowRedirections.java       | 36 +++++++++++++++++++
 .../lwjgl/redirections/LwjglRedirections.java |  3 ++
 2 files changed, 39 insertions(+)
 create mode 100644 headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/ForgeDisplayWindowRedirections.java

diff --git a/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/ForgeDisplayWindowRedirections.java b/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/ForgeDisplayWindowRedirections.java
new file mode 100644
index 00000000..9be69a40
--- /dev/null
+++ b/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/ForgeDisplayWindowRedirections.java
@@ -0,0 +1,36 @@
+package me.earth.headlessmc.lwjgl.redirections;
+
+import me.earth.headlessmc.lwjgl.api.RedirectionManager;
+
+import java.nio.ByteBuffer;
+
+import static me.earth.headlessmc.lwjgl.api.Redirection.of;
+
+/**
+ * Forge 1.20.1 introduces the
+ * {@code net.minecraftforge.fml.earlydisplay.DisplayWindow} class.
+ */
+public class ForgeDisplayWindowRedirections {
+    public static void redirect(RedirectionManager manager) {
+        manager.redirect("Lorg/lwjgl/glfw/GLFW;glfwGetPrimaryMonitor()J",
+                         of(1L));
+
+        manager.redirect("Lorg/lwjgl/glfw/GLFW;" +
+                             "glfwCreateWindow(IILjava/lang/CharSequence;JJ)J",
+                         of(1L));
+
+        // act like we compiled shader
+        manager.redirect("Lorg/lwjgl/opengl/GL20C;glGetShaderi(II)I", of(1));
+        manager.redirect("Lorg/lwjgl/opengl/GL20C;glGetProgrami(II)I", of(1));
+
+        manager.redirect("Lorg/lwjgl/stb/STBTruetype;" +
+                             "stbtt_InitFont(Lorg/lwjgl/stb/STBTTFontinfo;" +
+                             "Ljava/nio/ByteBuffer;)Z", of(true));
+
+        manager.redirect("Lorg/lwjgl/opengl/GL30C;glMapBufferRange(IJJI)" +
+                             "Ljava/nio/ByteBuffer;",
+                         (obj, desc, type, args) ->
+                             ByteBuffer.wrap(new byte[(int) ((long) args[2])]));
+    }
+
+}
diff --git a/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/LwjglRedirections.java b/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/LwjglRedirections.java
index 7a23eb39..36d23bd6 100644
--- a/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/LwjglRedirections.java
+++ b/headlessmc-lwjgl/src/main/java/me/earth/headlessmc/lwjgl/redirections/LwjglRedirections.java
@@ -267,6 +267,9 @@ public static void register(RedirectionManager manager) {
         );
 
         CustomBufferRedirection.redirect(manager);
+
+        // 1.20.1
+        ForgeDisplayWindowRedirections.redirect(manager);
     }
 
 }