3 files changed, 24 insertions, 5 deletions
diff --git a/src/main/kotlin/gui/config/ChoiceHandler.kt b/src/main/kotlin/gui/config/ChoiceHandler.kt
index 25e885a..2ea3efc 100644
--- a/src/main/kotlin/gui/config/ChoiceHandler.kt
+++ b/src/main/kotlin/gui/config/ChoiceHandler.kt
@@ -13,6 +13,7 @@ import moe.nea.firmament.util.ErrorUtil
 import moe.nea.firmament.util.json.KJsonOps
 
 class ChoiceHandler<E>(
+	val enumClass: Class<E>,
 	val universe: List<E>,
 ) : ManagedConfig.OptionHandler<E> where E : Enum<E>, E : StringIdentifiable {
 	val codec = StringIdentifiable.createCodec {
diff --git a/src/main/kotlin/gui/config/ManagedConfig.kt b/src/main/kotlin/gui/config/ManagedConfig.kt
index 47a9c92..7ddda9e 100644
--- a/src/main/kotlin/gui/config/ManagedConfig.kt
+++ b/src/main/kotlin/gui/config/ManagedConfig.kt
@@ -117,13 +117,24 @@ abstract class ManagedConfig(
 
 	protected fun <E> choice(
 		propertyName: String,
-		universe: List<E>,
+		enumClass: Class<E>,
 		default: () -> E
 	): ManagedOption<E> where E : Enum<E>, E : StringIdentifiable {
-		return option(propertyName, default, ChoiceHandler(universe))
+		return option(propertyName, default, ChoiceHandler(enumClass, enumClass.enumConstants.toList()))
 	}
 
-// TODO: wait on https://youtrack.jetbrains.com/issue/KT-73434
+	protected inline fun <reified E> choice(
+		propertyName: String,
+		noinline default: () -> E
+	): ManagedOption<E> where E : Enum<E>, E : StringIdentifiable {
+		return choice(propertyName, E::class.java, default)
+	}
+
+	private fun <E> createStringIdentifiable(x: () -> Array<out E>): Codec<E> where E : Enum<E>, E : StringIdentifiable {
+		return StringIdentifiable.createCodec { x() }
+	}
+
+	// TODO: wait on https://youtrack.jetbrains.com/issue/KT-73434
 //	protected inline fun <reified E> choice(
 //		propertyName: String,
 //		noinline default: () -> E
@@ -136,6 +147,8 @@ abstract class ManagedConfig(
 //			default
 //		)
 //	}
+	open fun onChange(option: ManagedOption<*>) {
+	}
 
 	protected fun duration(
 		propertyName: String,
diff --git a/src/main/kotlin/gui/config/ManagedOption.kt b/src/main/kotlin/gui/config/ManagedOption.kt
index d1aba83..383f392 100644
--- a/src/main/kotlin/gui/config/ManagedOption.kt
+++ b/src/main/kotlin/gui/config/ManagedOption.kt
@@ -6,7 +6,6 @@ import kotlinx.serialization.json.JsonObject
 import kotlin.properties.ReadWriteProperty
 import kotlin.reflect.KProperty
 import net.minecraft.text.Text
-import moe.nea.firmament.Firmament
 import moe.nea.firmament.util.ErrorUtil
 
 class ManagedOption<T : Any>(
@@ -28,7 +27,13 @@ class ManagedOption<T : Any>(
 	val descriptionTranslationKey = "firmament.config.${element.name}.${propertyName}.description"
 	val labelDescription: Text = Text.translatable(descriptionTranslationKey)
 
-	lateinit var value: T
+	private var actualValue: T? = null
+	var value: T
+		get() = actualValue ?: error("Lateinit variable not initialized")
+		set(value) {
+			actualValue = value
+			element.onChange(this)
+		}
 
 	override fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
 		this.value = value