Add addons

Sprout/addons/dialogic/Events/Choice/subsystem_choices.gd

@@ -0,0 +1,132 @@
+extends DialogicSubsystem
+
+## Subsystem that manages showing and activating of choices.
+
+## Used to block choices from being clicked for a couple of seconds (if delay is set in settings).
+var choice_blocker = Timer.new()
+
+func _ready():
+	choice_blocker.one_shot = true
+	DialogicUtil.update_timer_process_callback(choice_blocker)
+	add_child(choice_blocker)
+
+
+####################################################################################################
+##					STATE
+####################################################################################################
+
+func clear_game_state():
+	hide_all_choices()
+
+
+####################################################################################################
+##					MAIN METHODS
+####################################################################################################
+
+## Hides all choice buttons.  
+func hide_all_choices() -> void:
+	for node in get_tree().get_nodes_in_group('dialogic_choice_button'):
+		node.hide()
+		if node.is_connected('button_up', self.choice_selected):
+			node.disconnect('button_up', self.choice_selected)
+
+
+## Lists all current choices and shows buttons.
+func show_current_choices() -> void:
+	hide_all_choices()
+	var button_idx = 1
+	for choice_index in get_current_choice_indexes():
+		var choice_event = dialogic.current_timeline_events[choice_index]
+		# check if condition is false
+		if not choice_event.condition.is_empty() and not dialogic.execute_condition(choice_event.condition):
+			if choice_event.else_action == DialogicChoiceEvent.ElseActions.Default:
+				choice_event.else_action = DialogicUtil.get_project_setting('dialogic/choices/def_false_behaviour', 0)
+			
+			# check what to do in this case
+			if choice_event.else_action == DialogicChoiceEvent.ElseActions.Disable:
+				if !choice_event.disabled_text.is_empty():
+					show_choice(button_idx, choice_event.get_property_translated('disabled_text'), false, choice_index)
+				else:
+					show_choice(button_idx, choice_event.get_property_translated('text'), false, choice_index)
+				button_idx += 1
+		# else just show it
+		else:
+			show_choice(button_idx, choice_event.get_property_translated('text'), true, choice_index)
+			button_idx += 1
+	
+	if typeof(DialogicUtil.get_project_setting('dialogic/choices/delay')) != TYPE_FLOAT:
+		choice_blocker.start(DialogicUtil.get_project_setting('dialogic/choices/delay', 0.2).to_float())
+	else:
+		choice_blocker.start(DialogicUtil.get_project_setting('dialogic/choices/delay', 0.2))
+
+
+## Adds a button with the given text that leads to the given event.
+func show_choice(button_index:int, text:String, enabled:bool, event_index:int) -> void:
+	var idx = 1
+	for node in get_tree().get_nodes_in_group('dialogic_choice_button'):
+		if !node.get_parent().is_visible_in_tree():
+			continue
+		if (node.choice_index == button_index) or (idx == button_index and node.choice_index == -1):
+			node.show()
+			if dialogic.has_subsystem('VAR'):
+				node.text = dialogic.VAR.parse_variables(text)
+			else:
+				node.text = text
+			
+			if idx == 1 and DialogicUtil.get_project_setting('dialogic/choices/autofocus_first', true):
+				node.grab_focus()
+			
+			if DialogicUtil.get_project_setting('dialogic/choices/hotkey_behaviour', 0) == 1 and idx < 10:
+				var shortcut = Shortcut.new()
+				var input_key = InputEventKey.new()
+				input_key.scancode = OS.find_keycode_from_string(str(idx))
+				shortcut.shortcut = input_key
+				node.shortcut = shortcut
+			
+			node.disabled = not enabled
+			node.button_up.connect(choice_selected.bind(event_index))
+			
+		if node.choice_index > 0:
+			idx = node.choice_index
+		idx += 1
+
+####################################################################################################
+##					HELPERS
+####################################################################################################
+func choice_selected(event_index:int) -> void:
+	if Dialogic.paused or not choice_blocker.is_stopped():
+		return
+	hide_all_choices()
+	dialogic.current_state = dialogic.states.IDLE
+	dialogic.handle_event(event_index)
+
+## QUESTION/CHOICES
+func is_question(index:int) -> bool:
+	if dialogic.current_timeline_events[index] is DialogicTextEvent:
+		if len(dialogic.current_timeline_events)-1 != index:
+			if dialogic.current_timeline_events[index+1] is DialogicChoiceEvent:
+				return true
+	return false
+
+func get_current_choice_indexes() -> Array:
+	var choices = []
+	var evt_idx = dialogic.current_event_idx
+	var ignore = 0
+	while true:
+		
+		evt_idx += 1
+		if evt_idx >= len(dialogic.current_timeline_events):
+			break
+		if dialogic.current_timeline_events[evt_idx] is DialogicChoiceEvent:
+			if ignore == 0:
+				choices.append(evt_idx)
+			ignore += 1
+		elif dialogic.current_timeline_events[evt_idx].can_contain_events:
+			ignore += 1
+		else:
+			if ignore == 0:
+				break
+		
+		if dialogic.current_timeline_events[evt_idx] is DialogicEndBranchEvent:
+			ignore -= 1
+	return choices