Mostly finished VN textbox

ui/component/advancedrichtext/AdvancedRichText.gd

@@ -2,7 +2,10 @@
 class_name AdvancedRichText extends RichTextLabel
 
 @export_multiline var userText:String = "" # The text the user is asking for
-@export_multiline var finalText:String = "" # The final text after processing (translation, wrapping, etc.)
+@export_multiline var _finalText:String = "" # The final text after processing (translation, wrapping, etc.)
+
+@export var _newLineIndexes:Array[int] = [] # The indexes of where each line starts in finalText
+@export var _lines:PackedStringArray = [];
 
 # Hides the original RichTextLabel text property
 func _set(property: StringName, value) -> bool:
@@ -36,17 +39,43 @@ func _get(property: StringName):
 	get():
 		return smartWrap
 
-func _init() -> void:
-	_recalcText()
+@export var maxLines:int = -1:
+	set(value):
+		maxLines = value
+		_recalcText()
+	get():
+		return maxLines
+
+@export var startLine:int = 0:
+	set(value):
+		startLine = value
+		_recalcText()
+	get():
+		return startLine
+
+# Returns count of characters that can be displayed, assuming visible_chars = -1
+func getCharactersDisplayedCount() -> int:
+	# Count characters
+	var count = 0
+	var lineCount = min(startLine + maxLines, _lines.size()) - startLine
+	for i in range(startLine, startLine + lineCount):
+		count += _lines[i].length()
+	if lineCount > 1:
+		count += lineCount - 1 # Add newlines
+	return count
+
+func getFinalText() -> String:
+	return _finalText
+
+func getTotalLineCount() -> int:
+	return _lines.size()
 
 func _enter_tree() -> void:
-	_recalcText()
-	self.resized.connect(_recalcText)
-
-func _exit_tree() -> void:
-	self.resized.disconnect(_recalcText)
+	self.threaded = false;
 
 func _recalcText() -> void:
+	_lines.clear()
+
 	if userText.is_empty():
 		self.richtextlabel_text = ""
 		return
@@ -63,8 +92,6 @@ func _recalcText() -> void:
 	for match in regex.search_all(textTranslated):
 		var action = match.get_string(1).to_lower()
 		var height:int = get_theme_font_size("normal_font_size")
-		# var device = get_current_device_type()
-		# var icon_path = get_icon_for_action(action, device)
 		var img_tag = "[img height=%d valign=center,center]res://ui/input/%s.tres[/img]" % [ height, action ]
 		inputIconText = inputIconText.replace(match.get_string(0), img_tag)
 
@@ -76,29 +103,39 @@ func _recalcText() -> void:
 		self.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART;
 		self.richtextlabel_text = unwrappedText
 		self.visible_characters = -1;
-		self.fit_content = true;
-		var newlineIndexes = [];
+		self.fit_content = false;
+		_newLineIndexes = [];
 
 		# Determine where the wrapped newlines are
 		var line = 0;
 		var wasNewLine = false;
-		for i in range(0, unwrappedText.length()):
+		for i in range(0, self.richtextlabel_text.length()):
 			var tLine = self.get_character_line(i);
-			if tLine == line || tLine == -1:
+			if tLine == line:
 				wasNewLine = false
-				if unwrappedText[i] == "\n":
+				if self.richtextlabel_text[i] == "\n":
 					wasNewLine = true
 				continue;
 			if !wasNewLine:
-				newlineIndexes.append(i);
+				_newLineIndexes.append(i);
 			line = tLine;
 
 		# Create fake pre-wrapped text.
 		wrappedText = "";
-		for i in range(0, unwrappedText.length()):
-			if newlineIndexes.find(i) != -1 and i != 0:
+		for i in range(0, self.richtextlabel_text.length()):
+			if _newLineIndexes.find(i) != -1 and i != 0:
 				wrappedText += "\n";
-			wrappedText += unwrappedText[i];
+			wrappedText += self.richtextlabel_text[i];
 
-	finalText = wrappedText
-	self.richtextlabel_text = wrappedText
+	# Handle max and start line(s)
+	var maxText = wrappedText
+	if maxLines > 0:
+		_lines = maxText.split("\n", true);
+		var selectedLines = [];
+		for i in range(startLine, min(startLine + maxLines, _lines.size())):
+			selectedLines.append(_lines[i]);
+		maxText = "\n".join(selectedLines);
+		
+	_finalText = maxText
+	self.richtextlabel_text = maxText
+	print("Updated text")