Port to java 16 and MC 1.17

build.gradle

@@ -10,7 +10,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.guardsquare:proguard-gradle:7.0.1'
+        classpath 'com.guardsquare:proguard-gradle:7.1.0-beta4'
     }
 }
 
@@ -105,10 +105,10 @@ subprojects {
 
     tasks.publish.dependsOn build //stupid fix for maven/loom not publishing the main artifact
 
-    task ('proguard', type: proguard.gradle.ProGuardTask) {
+    task('proguard', type: proguard.gradle.ProGuardTask) {
         configuration './proguard.conf'
         verbose
-        injars  project.buildDir.toString() + '/libs/' + archivesBaseName + "-" + project.mod_version + ".jar"
+        injars project.buildDir.toString() + '/libs/' + archivesBaseName + "-" + project.mod_version + ".jar"
         outjars project.buildDir.toString() + '/libs/' + archivesBaseName + "-" + project.mod_version + "-min.jar"
         printmapping 'out.map'
         keepparameternames
@@ -137,7 +137,7 @@ subprojects {
 allprojects {
     apply plugin: "fabric-loom"
 
-    sourceCompatibility = targetCompatibility = JavaVersion.VERSION_1_8
+    sourceCompatibility = targetCompatibility = JavaVersion.VERSION_16
     version = System.getenv("TRAVIS_TAG") ?: project.mod_version
 
     repositories {
@@ -146,7 +146,7 @@ allprojects {
             url = "https://maven.fabricmc.net"
         }
 
-        maven { url = "https://maven.terraformersmc.com/releases/"}
+        maven { url = "https://maven.terraformersmc.com/releases/" }
     }
 
     dependencies {
@@ -155,10 +155,19 @@ allprojects {
         mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
         modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
         modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
-        modRuntime "com.terraformersmc:modmenu:1.16.8"
-        modCompileOnly "com.terraformersmc:modmenu:1.16.8"
+        modRuntime "com.terraformersmc:modmenu:2.0.0-beta.4"
+        modCompileOnly "com.terraformersmc:modmenu:2.0.0-beta.4"
     }
 
+}
+
+jar {
+    from(rootProject.file("LICENSE.md")) {
+        rename { "LICENSE_${project.archivesBaseName.replace('-', '_')}" }
+    }
+}
+
+afterEvaluate {
     processResources {
         // this will ensure that this task is redone when there"s a change
         inputs.property "version", mod_version
@@ -176,12 +185,6 @@ allprojects {
             exclude "fabric.mod.json"
         }
     }
-
-    jar {
-        from(rootProject.file("LICENSE.md")) {
-            rename { "LICENSE_${project.archivesBaseName.replace('-', '_')}"}
-        }
-    }
 }
 
 sourceSets {