maxgame/addons/popochiu/editor/gizmos/gizmo_clickable_plugin.gd
2025-07-17 01:49:18 -04:00

278 lines
8.9 KiB
GDScript

@tool
class_name PopochiuGizmoClickablePlugin
extends EditorPlugin
# TODO: move these out of the plugin and into Popochiu (enums) or PopochiuClickable
enum {
WALK_TO_POINT,
LOOK_AT_POINT,
BASELINE,
DIALOG_POS
}
# Private vars
# State
var _target_node: Node2D
var _undo: EditorUndoRedoManager
var _gizmos: Array
var _active_gizmos: Array
var _grabbed_gizmo: Gizmo2D
#region Godot ######################################################################################
func _enter_tree() -> void:
# TODO: remove the following 2 lines when the plugin is connected to the appropriate signal
# e.g. popochiu_ready
PopochiuEditorConfig.initialize_editor_settings()
PopochiuConfig.initialize_project_settings()
# Initialization of the plugin goes here.
_undo = get_undo_redo()
_gizmos.insert(WALK_TO_POINT, _init_popochiu_gizmo(WALK_TO_POINT))
_gizmos.insert(LOOK_AT_POINT, _init_popochiu_gizmo(LOOK_AT_POINT))
_gizmos.insert(BASELINE, _init_popochiu_gizmo(BASELINE))
_gizmos.insert(DIALOG_POS, _init_popochiu_gizmo(DIALOG_POS))
EditorInterface.get_editor_settings().settings_changed.connect(_on_gizmo_settings_changed)
PopochiuEditorHelper.signal_bus.gizmo_visibility_changed.connect(_on_gizmo_visibility_changed)
#endregion
#region Virtual ####################################################################################
func _edit(object: Object) -> void:
if object == null or object.get_class() == "EditorDebuggerRemoteObject":
return
_target_node = object
_active_gizmos.clear()
if EditorInterface.get_edited_scene_root() is PopochiuCharacter:
_active_gizmos.append(_gizmos[DIALOG_POS])
elif EditorInterface.get_edited_scene_root() is PopochiuRoom:
_active_gizmos.append(_gizmos[WALK_TO_POINT])
_active_gizmos.append(_gizmos[LOOK_AT_POINT])
_active_gizmos.append(_gizmos[BASELINE])
for gizmo in _active_gizmos:
gizmo.set_target_node(_target_node)
if not EditorInterface.get_inspector().property_edited.is_connected(_on_property_changed):
EditorInterface.get_inspector().property_edited.connect(_on_property_changed)
update_overlays()
func _forward_canvas_draw_over_viewport(viewport_control: Control) -> void:
for gizmo in _active_gizmos:
gizmo.draw(viewport_control, _target_node.get(gizmo.target_property))
func _handles(object: Object) -> bool:
return object is PopochiuClickable
func _forward_canvas_gui_input(event: InputEvent) -> bool:
if not _target_node or not _target_node.is_visible_in_tree():
return false
# For left mouse buttons, try to grab or release, depending on state
if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
# Grab
if not _grabbed_gizmo and event.is_pressed():
return _try_grab_gizmo(event)
# Release
elif _grabbed_gizmo and event.is_released():
return _release_gizmo(event)
# For mouse movement, drag the grabbed gizmo
if event is InputEventMouseMotion:
return _drag_gizmo(event)
# For ESC key or comparable events, cancel the dragging if in place
if event.is_action_pressed("ui_cancel"):
return _cancel_dragging_gizmo(event)
## Nothing to handle outside the cases above
return false
#endregion
#region Private ####################################################################################
func _on_property_changed(property: String):
update_overlays()
func _on_gizmo_settings_changed() -> void:
var gizmo_id = 0
var default_font = EditorInterface.get_editor_theme().default_font
for gizmo in _gizmos:
match gizmo_id:
WALK_TO_POINT:
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_WALK_TO_POINT_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
LOOK_AT_POINT:
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_LOOK_AT_POINT_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
BASELINE:
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_BASELINE_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
DIALOG_POS:
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_DIALOG_POS_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
gizmo.show_connector = PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_SHOW_CONNECTORS)
gizmo.show_outlines = PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_SHOW_OUTLINE)
gizmo.show_target_name = PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_SHOW_NODE_NAME)
gizmo_id += 1
update_overlays()
func _on_gizmo_visibility_changed(gizmo_id:int, visibility:bool):
if gizmo_id < _gizmos.size():
_gizmos[gizmo_id].visible = visibility
update_overlays()
func _update_properties():
if _grabbed_gizmo and _grabbed_gizmo.target_property:
_target_node.set(
_grabbed_gizmo.target_property,
_grabbed_gizmo.get_position()
)
func _init_popochiu_gizmo(gizmo_id: int) -> Gizmo2D:
var gizmo: Gizmo2D
var default_font = EditorInterface.get_editor_theme().default_font
match gizmo_id:
WALK_TO_POINT:
gizmo = Gizmo2D.new(_target_node, "walk_to_point", "Walk To Point", Gizmo2D.GIZMO_POS)
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_WALK_TO_POINT_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
LOOK_AT_POINT:
gizmo = Gizmo2D.new(_target_node, "look_at_point", "Look At Point", Gizmo2D.GIZMO_POS)
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_LOOK_AT_POINT_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
BASELINE:
gizmo = Gizmo2D.new(_target_node, "baseline", "Baseline", Gizmo2D.GIZMO_VPOS)
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_BASELINE_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
DIALOG_POS:
gizmo = Gizmo2D.new(_target_node, "dialog_pos", "Dialog Position", Gizmo2D.GIZMO_POS)
gizmo.set_theme(
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_DIALOG_POS_COLOR),
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_HANDLER_SIZE),
default_font,
PopochiuEditorConfig.get_editor_setting(PopochiuEditorConfig.GIZMOS_FONT_SIZE)
)
return gizmo
func _try_grab_gizmo(event: InputEventMouseButton) -> bool:
# Check if the mouse click happened on a gizmo
# The order is reversed to the topmost gizmo
# (the last been drawn) is selected
for i in range(_active_gizmos.size() - 1, -1, -1):
if not _active_gizmos[i].has_point(event.position):
continue
_grabbed_gizmo = _active_gizmos[i]
break
# If user clicked on no gizmos
# ignore the event
if not _grabbed_gizmo:
return false
# hold the gizmo with the mouse
_grabbed_gizmo.grab(event.position)
_undo.create_action("Move gizmo")
_undo.add_undo_property(
_grabbed_gizmo.target_node,
_grabbed_gizmo.target_property,
_grabbed_gizmo.target_node.get(_grabbed_gizmo.target_property)
)
update_overlays()
return true
func _release_gizmo(event: InputEvent) -> bool:
# If there is no gizmo to release
# ignore the event
if not _grabbed_gizmo:
return false
_grabbed_gizmo.release()
_undo.add_do_property(
_grabbed_gizmo.target_node,
_grabbed_gizmo.target_property,
_grabbed_gizmo.target_node.get(_grabbed_gizmo.target_property)
)
_undo.commit_action()
update_overlays()
_grabbed_gizmo = null
return true
func _drag_gizmo(event: InputEvent) -> bool:
# If no gizmo to drag
# ignore the event
if not _grabbed_gizmo:
return false
# Drag the gizmo
_grabbed_gizmo.drag_to(event.position)
_update_properties()
update_overlays()
return true
func _cancel_dragging_gizmo(event: InputEvent) -> bool:
# If ESC/Cancel happens but we're not dragging
# ignore the event
if not _grabbed_gizmo:
return false
# Cancel the action
_grabbed_gizmo.cancel()
_undo.commit_action()
_undo.get_history_undo_redo(_undo.get_object_history_id(_grabbed_gizmo.target_node)).undo()
update_overlays()
_grabbed_gizmo = null
return true
#endregion