Kotlin Language Adapter (1.12-) (#56)

"An adapter for FML to allow for the use of Kotlin objects as a mod class. This is not required if you use a Kotlin class, only if you use a Kotlin object."

3 files changed, 49 insertions, 0 deletions

diff --git a/versions/1.12.2-forge/api/1.12.2-forge.api b/versions/1.12.2-forge/api/1.12.2-forge.api
index c8b9034..b073db3 100644
--- a/versions/1.12.2-forge/api/1.12.2-forge.api
+++ b/versions/1.12.2-forge/api/1.12.2-forge.api
@@ -76,6 +76,14 @@ public class cc/polyfrost/oneconfig/platform/impl/ServerPlatformImpl : cc/polyfr
 	public fun inMultiplayer ()Z
 }
 
+public final class cc/polyfrost/oneconfig/utils/KotlinLanguageAdapter : net/minecraftforge/fml/common/ILanguageAdapter {
+	public fun <init> ()V
+	public fun getNewInstance (Lnet/minecraftforge/fml/common/FMLModContainer;Ljava/lang/Class;Ljava/lang/ClassLoader;Ljava/lang/reflect/Method;)Ljava/lang/Object;
+	public fun setInternalProxies (Lnet/minecraftforge/fml/common/ModContainer;Lnet/minecraftforge/fml/relauncher/Side;Ljava/lang/ClassLoader;)V
+	public fun setProxy (Ljava/lang/reflect/Field;Ljava/lang/Class;Ljava/lang/Object;)V
+	public fun supportsStatics ()Z
+}
+
 public class cc/polyfrost/oneconfig/utils/commands/PlatformCommandManagerImpl : cc/polyfrost/oneconfig/utils/commands/PlatformCommandManager {
 	public fun <init> ()V
 	public fun createCommand (Lcc/polyfrost/oneconfig/utils/commands/CommandManager$InternalCommand;Lcc/polyfrost/oneconfig/utils/commands/annotations/Command;)V
diff --git a/versions/1.8.9-forge/api/1.8.9-forge.api b/versions/1.8.9-forge/api/1.8.9-forge.api
index eb43749..da98be5 100644
--- a/versions/1.8.9-forge/api/1.8.9-forge.api
+++ b/versions/1.8.9-forge/api/1.8.9-forge.api
@@ -76,6 +76,14 @@ public class cc/polyfrost/oneconfig/platform/impl/ServerPlatformImpl : cc/polyfr
 	public fun inMultiplayer ()Z
 }
 
+public final class cc/polyfrost/oneconfig/utils/KotlinLanguageAdapter : net/minecraftforge/fml/common/ILanguageAdapter {
+	public fun <init> ()V
+	public fun getNewInstance (Lnet/minecraftforge/fml/common/FMLModContainer;Ljava/lang/Class;Ljava/lang/ClassLoader;Ljava/lang/reflect/Method;)Ljava/lang/Object;
+	public fun setInternalProxies (Lnet/minecraftforge/fml/common/ModContainer;Lnet/minecraftforge/fml/relauncher/Side;Ljava/lang/ClassLoader;)V
+	public fun setProxy (Ljava/lang/reflect/Field;Ljava/lang/Class;Ljava/lang/Object;)V
+	public fun supportsStatics ()Z
+}
+
 public class cc/polyfrost/oneconfig/utils/commands/PlatformCommandManagerImpl : cc/polyfrost/oneconfig/utils/commands/PlatformCommandManager {
 	public fun <init> ()V
 	public fun createCommand (Lcc/polyfrost/oneconfig/utils/commands/CommandManager$InternalCommand;Lcc/polyfrost/oneconfig/utils/commands/annotations/Command;)V
diff --git a/versions/src/main/kotlin/cc/polyfrost/oneconfig/utils/KotlinLanguageAdapter.kt b/versions/src/main/kotlin/cc/polyfrost/oneconfig/utils/KotlinLanguageAdapter.kt
new file mode 100644
index 0000000..f520f00
--- /dev/null
+++ b/versions/src/main/kotlin/cc/polyfrost/oneconfig/utils/KotlinLanguageAdapter.kt
@@ -0,0 +1,33 @@
+//#if MC<=11202
+package cc.polyfrost.oneconfig.utils
+
+import net.minecraftforge.fml.common.FMLModContainer
+import net.minecraftforge.fml.common.ILanguageAdapter
+import net.minecraftforge.fml.common.ModContainer
+import net.minecraftforge.fml.relauncher.Side
+import java.lang.reflect.Field
+import java.lang.reflect.Method
+
+/**
+ * An adapter for FML to allow for the use of Kotlin objects as a mod class.
+ * This is not required if you use a Kotlin class, only if you use a Kotlin object.
+ *
+ * Adapted from Crimson under LGPL 3.0
+ * https://github.com/Deftu-Archive/Crimson/blob/main/LICENSE
+ */
+class KotlinLanguageAdapter : ILanguageAdapter {
+
+    override fun supportsStatics(): Boolean = false
+    override fun getNewInstance(
+        container: FMLModContainer, objectClass: Class<*>, classLoader: ClassLoader, factoryMarkedAnnotation: Method
+    ): Any = objectClass.kotlin.objectInstance ?: objectClass.getDeclaredConstructor().newInstance()
+
+    override fun setProxy(target: Field, proxyTarget: Class<*>, proxy: Any) {
+        target.set(proxyTarget.kotlin.objectInstance, proxy)
+    }
+
+    override fun setInternalProxies(mod: ModContainer?, side: Side?, loader: ClassLoader?) {
+    }
+
+}
+//#endif
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