M1 MacOS compatibility

applesilicon.gradle

@@ -0,0 +1,44 @@
+// AUTHOR  : LukeGrahamLandry#6888
+// LICENSE : MIT
+// README  : https://moddingtutorials.org/o19/m1
+// NOTE    : you MUST set mc_version in your gradle.properties file
+
+import java.nio.charset.StandardCharsets
+import java.nio.file.Files
+
+if (System.getProperty("os.arch") == "aarch64" && System.getProperty("os.name") == "Mac OS X") {
+    project.ext.lwjglVersion = "3.3.0"
+    if (project.mc_version.contains("1.19")) {
+        project.ext.lwjglVersion = "3.3.1" // minecraft uses a newer version as of 1.19
+    }
+    project.ext.lwjglNatives = "natives-macos-arm64"
+
+    configurations.all {
+        resolutionStrategy {
+            force "org.lwjgl:lwjgl:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-openal:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-opengl:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-jemalloc:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-glfw:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-stb:${lwjglVersion}"
+            force "org.lwjgl:lwjgl-tinyfd:${lwjglVersion}"
+        }
+    }
+
+    logger.error("Apple Silicon for MC version ${project.mc_version}")
+
+    String path = "caches/forge_gradle/mcp_repo/net/minecraft/client/${project.mc_version}/client-${project.mc_version}.pom"
+    File cache = new File(project.getGradle().getGradleUserHomeDir(), path)
+
+    if (cache.exists()) {
+        List<String> lines = Files.readAllLines(cache.toPath(), StandardCharsets.UTF_8);
+
+        FileWriter writer = new FileWriter(cache);
+
+        for (String line : lines) {
+            if (!line.contains("arm")) line = line.replaceAll("natives-macos", "natives-macos-arm64") + "\n"
+            writer.append(line)
+        }
+        writer.close()
+    }
+}

build.gradle

@@ -12,6 +12,7 @@ plugins {
 
 apply plugin: 'org.spongepowered.mixin'
 apply from: "minecraft.gradle"
+apply from: "applesilicon.gradle"
 
 def getGitRef() {
     try {

gradle.properties

@@ -8,3 +8,5 @@ forge_version=40.1.68
 semver=0.0.0
 
 curse_project_id=437654
+
+mc_version=1.18.2