Add player names and account deletion

account_manager.gd

@@ -4,6 +4,9 @@ extends Node
 signal profile_changed
 
 const ACCOUNT_PATH := "user://void_bastion_account.json"
+const MIN_DISPLAY_NAME_LENGTH := 3
+const MAX_DISPLAY_NAME_LENGTH := 20
+const RESERVED_DISPLAY_NAMES := ["ADMIN", "ADMINISTRATOR", "GERGAMES", "MODERATOR", "SUPPORT", "SYSTEM"]
 
 var player_id := ""
 var display_name := ""
@@ -100,6 +103,42 @@ func attach_online_identity(online_user_id: String, online_username: String) ->
 	profile_changed.emit()
 
 
+func normalize_display_name(value: String) -> String:
+	var normalized := " ".join(value.strip_edges().split(" ", false))
+	return normalized.left(MAX_DISPLAY_NAME_LENGTH)
+
+
+func validate_display_name(value: String) -> String:
+	var normalized := normalize_display_name(value)
+	if normalized.length() < MIN_DISPLAY_NAME_LENGTH:
+		return "Der Spielername muss mindestens %d Zeichen lang sein." % MIN_DISPLAY_NAME_LENGTH
+	if normalized.length() > MAX_DISPLAY_NAME_LENGTH:
+		return "Der Spielername darf höchstens %d Zeichen lang sein." % MAX_DISPLAY_NAME_LENGTH
+	if normalized.to_upper() in RESERVED_DISPLAY_NAMES:
+		return "Dieser Spielername ist reserviert."
+	var allowed_characters := "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 _-ÄÖÜäöüß"
+	for character in normalized:
+		if not allowed_characters.contains(character):
+			return "Erlaubt sind Buchstaben, Zahlen, Leerzeichen, _ und -."
+	return ""
+
+
+func set_display_name(value: String) -> bool:
+	var normalized := normalize_display_name(value)
+	if not validate_display_name(normalized).is_empty():
+		return false
+	display_name = normalized
+	_save_profile()
+	profile_changed.emit()
+	return true
+
+
+func reset_after_account_deletion() -> void:
+	_create_guest_profile()
+	_save_profile()
+	profile_changed.emit()
+
+
 func mark_submission_complete(record: Dictionary) -> void:
 	for index in range(pending_submissions.size() - 1, -1, -1):
 		var queued = pending_submissions[index]