asset/character/input/input_handler.gd

   1 extends Node
   2 class_name InputHandler
   3 ## The base class for managing all inputs
   4 ##
   5 ## On request, collects and sorts all meaningful inputs for the model to process.
   6 ## It is not aware of external modifiers for input, such as camera; inputs must be
   7 ## translated after they are collected.
   8 ##
   9
  10 var _camera_input_method := CameraInput.MOUSE
  11 var _camera_input_direction := Vector2.ZERO
  12
  13
  14 func _unhandled_input(event: InputEvent) -> void:
  15         # If user clicks on the window, capture the mouse and direct the camera with it
  16         if Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED:
  17                 return
  18
  19         if event is InputEventMouseMotion:
  20                 _camera_input_method = CameraInput.MOUSE
  21                 _camera_input_direction = event.screen_relative
  22         elif event is InputEventJoypadMotion:
  23                 _camera_input_method = CameraInput.JOYSTICK
  24                 _camera_input_direction = Input.get_vector(
  25                         "camera-left", "camera-right", "camera-up", "camera-down"
  26                         )
  27
  28 ## Returns a packet of input information, including all player inputs and camera inputs.
  29 ## This layer translates digital input settings into meaningful actions for
  30 ## the player model, and also collects analogue input vectors
  31 func get_player_input() -> InputPacket:
  32         var p: InputPacket = InputPacket.new()
  33
  34         p.camera_input_method = _camera_input_method
  35         if _camera_input_method == CameraInput.MOUSE:
  36                 # TODO: clumsy handling of last relative mouse event!
  37                 if Input.get_last_mouse_velocity().length() > 0.05:
  38                         p.camera_input_direction = _camera_input_direction
  39         elif _camera_input_method == CameraInput.JOYSTICK:
  40                 p.camera_input_direction = _camera_input_direction
  41
  42         p.player_movement_direction = Input.get_vector(
  43                 "player-left", "player-right", "player-forward", "player-backward"
  44                 )
  45         if p.player_movement_direction != Vector2.ZERO:
  46                 p.player_actions.append("Walk")
  47
  48         if Input.is_action_just_pressed("player-dash"):
  49                 p.player_actions.append("Dash")
  50
  51         if Input.is_action_just_pressed("player-slash"):
  52                 p.player_combat_actions.append("slash")
  53
  54         if Input.is_action_just_pressed("player-shoot"):
  55                 p.player_combat_actions.append("shoot")
  56
  57         if p.player_actions.is_empty():
  58                 p.player_actions.append("Idle")
  59
  60         return p