feat: Added a pane for previewing dialogue

ExampleDialogue/Sally.yarn

@@ -1,7 +1,35 @@
+title: Sally.Watch
+tags: 
+colorID: 
+position: 500, 400
+---
+Sally: Not really.  #line:8c3f98
+Sally: Same old nebula, doing the same old thing. #line:24c418
+Sally: Oh, Ship wanted to see you. Go say hi to it. #line:df4eaf
+<<set $should_see_ship to true>>
+<<if visited("Ship") is true>>
+    Player: Already done! #line:1fea6c
+    Sally: Go say hi again. #line:5df323
+<<endif>>
+===
+title: Sally.Exit
+tags: 
+colorID: 
+position: 100, 400
+---
+Sally: Bye. #line:60c282
+===
+title: Sally.Sorry
+tags: 
+colorID: 
+position: 900, 400
+---
+Sally: Yeah. Don't do it again. #line:d7df49
+===
 title: Sally
 tags: 
-colorID: 0
-position: 524,111
+colorID: 
+position: 500, 100
 ---
 <<if visited("Sally") is false>>
     Player: Hey, Sally. #line:794945
@@ -22,34 +50,3 @@ position: 524,111
 <<endif>>
 [[See you later.|Sally.Exit]] #line:0facf7
 ===
-
-title: Sally.Watch
-tags: 
-colorID: 0
-position: 512,430
----
-Sally: Not really.  #line:8c3f98
-Sally: Same old nebula, doing the same old thing. #line:24c418
-Sally: Oh, Ship wanted to see you. Go say hi to it. #line:df4eaf
-<<set $should_see_ship to true>>
-<<if visited("Ship") is true>>
-    Player: Already done! #line:1fea6c
-    Sally: Go say hi again. #line:5df323
-<<endif>>
-===
-
-title: Sally.Exit
-tags: 
-colorID: 6
-position: 211,417
----
-Sally: Bye. #line:60c282
-===
-
-title: Sally.Sorry
-tags: 
-colorID: 0
-position: 827,439
----
-Sally: Yeah. Don't do it again. #line:d7df49
-===

addons/Wol/Wol.gd

@@ -55,6 +55,9 @@ func set_path(_path):
 		var compiler = Compiler.new(path)
 		virtual_machine.program = compiler.compile()
 
+func set_program(program):
+	virtual_machine.program = program
+
 func _on_line(line):
 	if auto_substitute:
 		var index = 0
@@ -106,5 +109,10 @@ func start(node = starting_node):
 	virtual_machine.set_node(node)
 	virtual_machine.start()
 
+func stop():
+	if running:
+		virtual_machine.call_deferred('stop')
+	running = false
+
 func resume():
 	virtual_machine.call_deferred('resume')

addons/Wol/core/compiler/Compiler.gd

@@ -1,5 +1,4 @@
 extends Object
-
 signal error(message, line_number, column)
 
 const Constants = preload('res://addons/Wol/core/Constants.gd')
@@ -25,11 +24,12 @@ func _init(_filename, _source = null, _soft_assert = false):
 	soft_assert = _soft_assert
 
 	if not _filename and _source:
-		self.source = _source
+		filename = 'inline_source'
+		source = _source
 	else:
 		var file = File.new()
 		file.open(_filename, File.READ)
-		self.source = file.get_as_text()
+		source = file.get_as_text()
 		file.close()
 
 	var source_lines = source.split('\n')

addons/Wol/editor/Editor.gd

@@ -1,19 +1,21 @@
 tool
 extends Panel
 
-var current_node
 var current_graph_node
 
+onready var preview = get_node('../Preview')
+
 func _ready():
 	hide()
 	connect('visibility_changed', self, '_on_visibility_changed')
-	$Close.connect('pressed', self, 'close')
+	$Tools/Left/Play.connect('pressed', self, '_on_play')
+	$Tools/Right/Close.connect('pressed', self, 'close')
 
 func close():
 	hide()
+	preview.close()
 
-func open_node(graph_node, node):
-	current_node = node
+func open_node(graph_node):
 	current_graph_node = graph_node
 
 	var text_edit = graph_node.get_node('TextEdit')
@@ -21,9 +23,9 @@ func open_node(graph_node, node):
 	$Content.add_child(text_edit)
 	toggle_text_edit(text_edit)
 	
-	$HBoxContainer/TextEdit.disconnect('text_changed', self, '_on_title_changed')
-	$HBoxContainer/TextEdit.text = node.title
-	$HBoxContainer/TextEdit.connect('text_changed', self, '_on_title_changed')
+	$Tools/Left/Title.disconnect('text_changed', self, '_on_title_changed')
+	$Tools/Left/Title.text = graph_node.node.title
+	$Tools/Left/Title.connect('text_changed', self, '_on_title_changed')
 	
 	show()
 
@@ -50,6 +52,9 @@ func toggle_text_edit(text_edit):
 	]:
 		text_edit.set(property, not text_edit.get(property))
 
+func _on_play():
+	preview.open_node(current_graph_node)
+
 func _on_title_changed():
 	current_graph_node.node.title = $HBoxContainer/TextEdit.text
 	current_graph_node.compile()

addons/Wol/editor/Preview.gd

@@ -0,0 +1,76 @@
+extends Panel
+
+var current_graph_node
+
+onready var line_template = $Content/List/LineTemplate
+onready var button_template = $Options/List/ButtonTemplate
+
+onready var wol_editor = find_parent('WolEditor')
+
+func _ready():
+	hide()
+	$Wol.connect('line', self, '_on_line')
+	$Wol.connect('options', self, '_on_options')
+	$Tools/Right/Close.connect('pressed', self, 'close')
+
+func open_node(graph_node):
+	current_graph_node = graph_node
+
+	$Wol.stop()
+
+	for child in $Content/List.get_children():
+		if child != line_template and not 'Padding' in child.name:
+			$Content/List.remove_child(child)
+			child.queue_free()
+
+	for child in $Options/List.get_children():
+		if child != button_template:
+			$Options/List.remove_child(child)
+			child.queue_free()
+	
+	$Wol.variable_storage = {}
+	$Wol.set_program(wol_editor.get_program())
+	$Wol.start(current_graph_node.node.title)
+	show()
+
+func close():
+	hide()
+	current_graph_node = null
+	$Wol.stop()
+
+func next():
+	$Wol.resume()
+
+func _on_line(line):
+	var line_node = line_template.duplicate()
+	$Content/List.add_child(line_node)
+	$Content/List/PaddingBottom.raise()
+	line_node.get_node('RichTextLabel').bbcode_text = line.text
+	line_node.show()
+	yield(get_tree(), 'idle_frame')
+	$Content.scroll_vertical = $Content/List.rect_size.y
+
+func _on_options(options):
+	for option in options:
+		var button = button_template.duplicate()
+		$Options/List.add_child(button)
+
+		button.text = option.line.text
+		button.connect('pressed', self, '_on_option_pressed', [option])
+		button.show()
+
+func _on_option_pressed(option):
+	$Wol.select_option(option.id)
+
+	for child in $Options/List.get_children():
+		if child != button_template:
+			$Options/List.remove_child(child)
+			child.queue_free()
+
+func _input(event):
+	if visible \
+			and ( \
+				(event is InputEventMouseButton and event.doubleclick) \
+				or (event is InputEventKey and not event.pressed and event.scancode in [KEY_SPACE, KEY_ENTER]) \
+			):
+		next()

addons/Wol/editor/WolEditor.gd

@@ -37,7 +37,7 @@ func create_node(position = Vector2.ZERO):
 	}
 
 	graph_node.connect('recompiled', self, '_on_graph_node_recompiled', [graph_node])
-	graph_node.connect('gui_input', self, '_on_graph_node_input', [graph_node, node])
+	graph_node.connect('gui_input', self, '_on_graph_node_input', [graph_node])
 
 	graph_node.node = node
 	graph_node.show()
@@ -52,11 +52,14 @@ func build_nodes():
 		$GraphEdit.add_child(graph_node)
 
 		graph_node.connect('recompiled', self, '_on_graph_node_recompiled', [graph_node])
-		graph_node.connect('gui_input', self, '_on_graph_node_input', [graph_node, node])
+		graph_node.connect('gui_input', self, '_on_graph_node_input', [graph_node])
 
 		graph_node.node = node
 		graph_node.show()
 
+func get_program():
+	return Compiler.new(null, serialize_to_file(), true).compile()
+
 func serialize_to_file():
 	var buffer = []
 	for graph_node in $GraphEdit.get_children():
@@ -153,10 +156,10 @@ func _on_graph_node_recompiled(_graph_node):
 	yield(get_tree().create_timer(.3), 'timeout')
 	refreshed = false
 
-func _on_graph_node_input(event, graph_node, node):
+func _on_graph_node_input(event, graph_node):
 	if event is InputEventMouseButton \
 			and event.doubleclick and event.button_index == BUTTON_LEFT:
-		$HBoxContainer/Editor.open_node(graph_node, node)
+		$HBoxContainer/Editor.open_node(graph_node)
 		accept_event()
 
 func _on_node_selected(node, selected):