Target Java 14

README.md

@@ -1,3 +1,3 @@
 # SnowyGUI
 
-This mod requires fabric-language-kotlin on fabric, and kotlinforforge on forge.
+This mod requires fabric-language-kotlin on fabric, kotlinforforge on forge **and also needs Java 14 or higher**.

build.gradle.kts

@@ -86,6 +86,7 @@ subprojects {
     }
 }
 
+val javaVer: String = "14"
 val kotlinVer = rootProject.property("kotlin_stdlib_version").toString() + ".0"
 val mcBase: String = rootProject.architectury.minecraft.dropLast(2)
 allprojects {
@@ -105,8 +106,8 @@ allprojects {
         implementation(kotlin("stdlib-jdk8", kotlinVer))
     }
     java {
-        targetCompatibility = JavaVersion.VERSION_1_8
-        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_14
+        sourceCompatibility = JavaVersion.VERSION_14
     }
     tasks {
         withType(ShadowJar::class) {
@@ -127,7 +128,7 @@ allprojects {
         withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile::class) {
             with(kotlinOptions) {
                 freeCompilerArgs = listOf("-Xjvm-default=all", "-Xlambdas=indy")
-                jvmTarget = "1.8"
+                jvmTarget = javaVer
                 languageVersion = "1.5"
                 apiVersion = rootProject.property("kotlin_stdlib_version").toString()
             }
@@ -135,9 +136,7 @@ allprojects {
         withType(JavaCompile::class) {
             with(options) {
                 encoding = "UTF-8"
-                if (JavaVersion.current().isJava9Compatible) {
-                    release.set(8)
-                }; isFork = true
+                release.set(javaVer.toInt()); isFork = true
             }
         }
         withType(net.fabricmc.loom.task.RemapJarTask::class) {
@@ -157,6 +156,7 @@ allprojects {
             val modProperties = mapOf(
                 "mod_version" to (rootProject.version as String),
                 "minecraft_version" to mcBase,
+                "java_version" to javaVer,
                 "mod_group" to this@allprojects.group,
                 "fabric_kotlin" to rootProject.property("fabric_language_kotlin"),
                 "kotlinforforge" to rootProject.property("kotlinforforge")

common/src/main/resources/snowygui-mixins.json

@@ -1,7 +1,7 @@
 {
   "required": true,
   "package": "fr.username404.snowygui.mixins",
-  "compatibilityLevel": "JAVA_8",
+  "compatibilityLevel": "JAVA_14",
   "client": [
     "KeysAccessor",
     "KeyMappings",

fabric/src/main/resources/fabric.mod.json

@@ -31,13 +31,14 @@
     "snowygui-mixins.json"
   ],
   "depends": {
-    "fabricloader": ">=0.9.3",
+    "fabricloader": ">=0.11.0",
     "fabric-language-kotlin": ">=${fabric_kotlin}",
     "fabric-resource-loader-v0": "*",
     "fabric-rendering-v1": "*",
     "minecraft": ">=${minecraft_version}"
   },
   "breaks": {
+    "java": "<${java_version}",
     "modmenu": "<1.15.0"
   },
   "suggests": {