feat: Add overlay item exporter

src/main/kotlin/util/ErrorUtil.kt

@@ -29,12 +29,19 @@ object ErrorUtil {
 
 	inline fun softError(message: String, exception: Throwable) {
 		if (aggressiveErrors) throw IllegalStateException(message, exception)
-		else Firmament.logger.error(message, exception)
+		else logError(message, exception)
+	}
+
+	fun logError(message: String, exception: Throwable) {
+		Firmament.logger.error(message, exception)
+	}
+	fun logError(message: String) {
+		Firmament.logger.error(message)
 	}
 
 	inline fun softError(message: String) {
 		if (aggressiveErrors) error(message)
-		else Firmament.logger.error(message)
+		else logError(message)
 	}
 
 	fun <T> Result<T>.intoCatch(message: String): Catch<T> {

src/main/kotlin/util/mc/InitLevel.kt

@@ -0,0 +1,25 @@
+package moe.nea.firmament.util.mc
+
+enum class InitLevel {
+	STARTING,
+	MC_INIT,
+	RENDER_INIT,
+	RENDER,
+	MAIN_MENU,
+	;
+
+	companion object {
+		var initLevel = InitLevel.STARTING
+			private set
+
+		@JvmStatic
+		fun isAtLeast(wantedLevel: InitLevel): Boolean = initLevel >= wantedLevel
+
+		@JvmStatic
+		fun bump(nextLevel: InitLevel) {
+			if (nextLevel.ordinal != initLevel.ordinal + 1)
+				error("Cannot bump initLevel $nextLevel from $initLevel")
+			initLevel = nextLevel
+		}
+	}
+}