ovr-utils/ovr-utils/addons/openvr_overlay/interaction/overlay_interaction.gd

164 lines
4.7 KiB
GDScript

extends ARVROrigin
signal touch_on # a controller entered
signal touch_off # a controller exited
signal trigger_on # trigger pushed while touching
signal trigger_off # trigger released
var _touch_state = false setget ,get_touch_state
var _trigger_state = false setget ,get_trigger_state
# controller that currently the trigger down
var _active_controller: ARVRController setget ,get_active_controller
# reference to the area node thats used for touch
var _overlay_area = preload("res://addons/openvr_overlay/interaction/OverlayArea.tscn").instance()
var _cursor_node = preload("res://addons/openvr_overlay/interaction/Cursor.tscn").instance()
var _right_is_activator = false
var _left_is_activator = false
onready var viewport: Viewport = get_node("../OverlayViewport")
onready var panel: PanelContainer = get_node("../OverlayViewport/PanelContainer")
func _ready() -> void:
add_child(_overlay_area)
get_node("../OverlayViewport").add_child(_cursor_node)
_overlay_area.connect("body_entered", self, "_on_OverlayArea_entered")
_overlay_area.connect("body_exited", self, "_on_OverlayArea_exited")
get_parent().connect("width_changed", self, "_update_width")
get_parent().connect("offset_changed", self, "_update_offset")
get_parent().connect("target_changed", self, "_update_target")
_update_width()
_update_offset()
_update_target()
func _process(delta: float) -> void:
_update_cursor()
#get canvas position of active controller
func get_canvas_pos() -> Vector2:
if _active_controller == null:
return Vector2(-1000, 1000) # offscreen
var controller_local_pos = _overlay_area.global_transform.xform_inv(\
_active_controller.global_transform.origin)
var pos = Vector2(controller_local_pos.x, controller_local_pos.y)
var overlay_size = OverlayInit.ovr_interface.get_render_targetsize()
# scale to pixels
pos *= overlay_size.x
pos /= get_parent().width_meters
# adjust to center
pos.y *= -1
pos += overlay_size * 0.5
return pos
func _update_cursor():
_cursor_node.rect_position = get_canvas_pos()
func _send_click_event(state: bool):
var click_event = InputEventMouseButton.new()
click_event.position = get_canvas_pos()
click_event.pressed = state
click_event.button_index = 1
viewport.input(click_event)
func _trigger_on(controller):
if _touch_state:
_active_controller = controller
_trigger_state = true
_send_click_event(true)
emit_signal("trigger_on")
func _trigger_off():
_trigger_state = false
_send_click_event(false)
emit_signal("trigger_off")
func _on_OverlayArea_entered(body: Node) -> void:
if body.get_parent().get_parent() != self:
return
_touch_state = true
_active_controller = body.get_parent()
emit_signal("touch_on")
func _on_OverlayArea_exited(body: Node) -> void:
if body.get_parent().get_parent() != self:
return
_active_controller = null # TODO revert to other controller if both were touching (edge case)
_touch_state = false
emit_signal("touch_off")
func _update_width():
var ratio = OverlayInit.ovr_interface.get_render_targetsize()
var extents = get_parent().width_meters * 0.5
_overlay_area.get_child(0).shape.set_extents(Vector3(extents, extents * ratio.y/ratio.x, 0.1))
func _update_offset():
_overlay_area.translation = get_parent().translation
_overlay_area.rotation_degrees = get_parent().rotation_degrees
func _update_target():
# move _overlay_area
_overlay_area.get_parent().remove_child(_overlay_area)
match get_parent().target:
OverlayInstance.TARGETS.head:
$Head.add_child(_overlay_area)
OverlayInstance.TARGETS.left:
$LeftHand.add_child(_overlay_area)
OverlayInstance.TARGETS.right:
$RightHand.add_child(_overlay_area)
OverlayInstance.TARGETS.world:
add_child(_overlay_area)
_left_is_activator = get_parent().target != OverlayInstance.TARGETS.left
_right_is_activator = get_parent().target != OverlayInstance.TARGETS.right
# toggle appropriate colliders
$LeftHand/OverlayActivator/Collision.disabled = !_left_is_activator
$RightHand/OverlayActivator/Collision.disabled = !_right_is_activator
func _on_RightHand_button_pressed(button: int) -> void:
if button == JOY_VR_TRIGGER and _right_is_activator:
_trigger_on($RightHand)
func _on_RightHand_button_release(button: int) -> void:
if button == JOY_VR_TRIGGER and _active_controller == $RightHand:
_trigger_off()
func _on_LeftHand_button_pressed(button: int) -> void:
if button == JOY_VR_TRIGGER and _left_is_activator:
_trigger_on($LeftHand)
func _on_LeftHand_button_release(button: int) -> void:
if button == JOY_VR_TRIGGER and _active_controller == $LeftHand:
_trigger_off()
func get_touch_state():
return _touch_state
func get_trigger_state():
return _trigger_state
func get_active_controller():
return _active_controller