change to using paths to refer to overlay types for better future expansion

ovr-utils/addons/openvr_overlay/overlay_instance.gd

@@ -11,8 +11,8 @@ signal offset_changed
 const TARGETS = ["head", "left", "right", "world"]
 export (String,  "head", "left", "right", "world") var target = "left" setget set_target
 
-export var overlay_scene: PackedScene = \
-		preload("res://addons/openvr_overlay/MissingOverlay.tscn") setget set_overlay_scene
+export var overlay_scene: PackedScene# = \
+#		preload("res://addons/openvr_overlay/MissingOverlay.tscn") setget set_overlay_scene
 export var width_meters := 0.4 setget set_width_in_meters
 export var alpha 		:= 1.0 setget set_alpha
 export var add_grabbing := true  # add grabbing module
@@ -31,7 +31,8 @@ var current_target: String = "world" setget _set_current_target
 var fallback = ["left", "right", "head"] # TODO setget that updates tracking (not important)
 var interaction_handler: Node
 var overlay_visible := true setget set_overlay_visible
-var type := "main"
+#var type := "main"
+var path := "res://special_overlays/MainOverlay.tscn" setget set_path
 
 onready var container = $OverlayViewport/Container
 
@@ -60,7 +61,6 @@ func _ready() -> void:
 	call_deferred("update_offset")
 
 
-
 func add_cursor():
 	interaction_handler.add_child(load("res://addons/openvr_overlay/OverlayCursor.tscn").instance())
 
@@ -149,8 +149,9 @@ func set_width_in_meters(width: float) -> void:
 	emit_signal("width_changed")
 
 
-func set_overlay_scene(scene: PackedScene) -> void:
-	overlay_scene = scene
+func set_path(new: String) -> void:
+	path = new
+	overlay_scene = load(path)
 	if not container:
 		return
 	if container.get_child_count() > 0:

ovr-utils/overlay_manager.gd

@@ -20,29 +20,34 @@ func _load_overlays():
 		return
 	loaded = true
 	print("Loading in overlays")
-	for key in Settings.s.overlays:
-		if not key == "MainOverlay":
-			add_overlay(Settings.s.overlays[key].type, key)
+	for name in Settings.s.overlays:
+		if not name == "MainOverlay":
+			add_overlay(name)
 
 
-func add_overlay(type, name):
-	print("Adding overlay '", name, "' of type '", type, "'")
-	var scene = load("res://overlays/" + type + ".tscn")
-
-	if not scene:
-		print("Unknown overlay type: '", type, "'")
-		scene = load("res://special_overlays/UnknownType.tscn")
+func add_overlay(name):
+	print("Adding overlay '", name, "'")
+#	var scene = load("res://overlays/" + type + ".tscn")
+#	if not scene:
+#		print("Unknown overlay type: '", type, "'")
+#		scene = load("res://special_overlays/UnknownType.tscn")
 
 	var instance = preload("res://addons/openvr_overlay/OverlayInstance.tscn").instance()
 
 	instance.name = name
-	instance.overlay_scene = scene
-	instance.type = type
+#	instance.overlay_scene = scene
+#	instance.type = type
 	instance.add_child(preload("res://OverlaySettingsSync.tscn").instance())
 	add_child(instance)
 	emit_signal("added_overlay", name)
 
 
+func create_overlay(path, name):
+	Settings.s.overlays[name] = {}
+	Settings.s.overlays[name].path = path
+	add_overlay(name)
+
+
 func remove_overlay(name):
 	print("Removing overlay '", name, "'")
 	var to_remove = get_node(name)

ovr-utils/overlay_scripts/unknown_type.gd

@@ -2,4 +2,4 @@ extends Control
 
 
 func _ready() -> void:
-	$Label.text += get_viewport().get_parent().type
+	$Label.text += get_viewport().get_parent().path

ovr-utils/overlay_settings_sync.gd

@@ -26,7 +26,7 @@ func save_all() -> void:
 		return
 	if not Settings.s.overlays.has(p.name):
 		Settings.s.overlays[p.name] = {}
-	_save_prop("type",     p.type)
+	_save_prop("path",     p.path)
 	_save_prop("visible",  p.overlay_visible)
 	_save_prop("width",    p.width_meters)
 	_save_prop("alpha",    p.alpha)
@@ -44,6 +44,8 @@ func load_all() -> void:
 	if Settings.s.overlays.has(p.name):
 		var new = Settings.s.overlays[p.name]
 
+		if new.has("path"):
+			p.path = new.path
 		if new.has("visible"):
 			p.overlay_visible = new.visible
 		if new.has("width"):

ovr-utils/settings_definition.gd

@@ -1,6 +1,6 @@
 extends Node
 
-const PATH = "user://overlay_data.json"
+const PATH = "user://overlay_data_DEV.json"
 const DEF = {
 	"grab_mode": {
 		"name": "Grab mode",
@@ -16,10 +16,10 @@ const DEF = {
 		"definition": {
 			"type": "dict",
 			"definition": {
-				"type": {
-					"name": "Overlay type",
+				"path": {
+					"name": "Overlay scene path",
 					"type": "string",
-					"default": "UI_demo"
+					"default": "res://special_overlays/UnknownType.tscn"
 				},
 				"visible": {
 					"name": "Overlay Visible",
@@ -71,7 +71,7 @@ const DEF = {
 		},
 		"default": {
 			"MainOverlay": {
-				"type": "MainOverlay",
+				"path": "res://special_overlays/MainOverlay.tscn",
 				"visible": true,
 				"width": 0.4,
 				"alpha": 1.0,

ovr-utils/ui/add_menu.gd

@@ -2,28 +2,28 @@ extends Control
 
 signal add_menu_closed
 
-var types: Array
+var paths: Array
 
 func _ready() -> void:
 	visible = false
-	types = get_overlay_types()
-	for t in types:
+	paths = get_overlay_paths()
+	for p in paths:
 		var btn = preload("res://ui/AddOverlayButton.tscn").instance()
-		btn.text = t
-		btn.connect("pressed", self, "add_overlay", [t])
+		btn.text = path_to_name(p)
+		btn.connect("pressed", self, "add_overlay", [p])
 		$MarginContainer/VBoxContainer.add_child(btn)
 
 
-func add_overlay(type):
-	OverlayManager.add_overlay(type, type + " " + str(randi()%1000))
+func add_overlay(path):
+	OverlayManager.create_overlay(path, path_to_name(path) + " " + str(randi()%1000))
 	visible = false
 	emit_signal("add_menu_closed")
 
 
-func get_overlay_types(path := "res://overlays/"):
+func get_overlay_paths(root := "res://overlays/"):
 	var found = []
 	var dir = Directory.new()
-	if dir.open(path) == OK:
+	if dir.open(root) == OK:
 		dir.list_dir_begin(true)
 		var file_name = dir.get_next()
 		while file_name != "":
@@ -31,8 +31,11 @@ func get_overlay_types(path := "res://overlays/"):
 				# TODO make recursive, must include folder as prefix for type
 				pass
 			else:
-				found.append(file_name.split(".")[0])
+				found.append(root + file_name)
 			file_name = dir.get_next()
 	else:
-		print("An error occurred when trying to access the path ", path)
+		print("An error occurred when trying to access ", root)
 	return found
+
+func path_to_name(path: String) -> String:
+	return path.split("/")[-1].split(".")[0]

ovr-utils/ui/overlay_list_item.gd

@@ -16,12 +16,14 @@ func _ready() -> void:
 	$MoreOptions/Container/List/Target.selected = overlay.TARGETS.find(overlay.target)
 	overlay.connect("overlay_visible_changed", self, "_overlay_visible_changed")
 
-	$BasicOptions/List/Warning.visible = overlay.overlay_scene == preload("res://special_overlays/UnknownType.tscn")
-	$BasicOptions/List/Warning/WarningInfo/Label.text = overlay.type + "\nnot found"
+	#TODO use signal to activate warning
+#	$BasicOptions/List/Warning.visible = overlay.overlay_scene == preload("res://special_overlays/UnknownType.tscn")
+	$BasicOptions/List/Warning/WarningInfo/Label.text = overlay.path + "\nnot found"
 
 
 func _on_Visibility_toggled(state: bool) -> void:
-	if overlay.type and overlay.type != "main":
+	# TODO check always visible flag
+#	if overlay.type and overlay.type != "main":
 	overlay.overlay_visible = state
 
 
@@ -38,7 +40,8 @@ func _overlay_visible_changed(state: bool):
 
 
 func _on_Remove_pressed() -> void:
-	if overlay.type and overlay.type != "main":
+	# TODO check stay flag
+#	if overlay.type and overlay.type != "main":
 	OverlayManager.remove_overlay(overlay_name)