Add warning if multiple loaders are selected

CHANGES.md

@@ -4,6 +4,7 @@
 - Update to the new Godot 4.2 Android plugin packaging format
 - Update the plugin to Godot v2 Android plugin
 - Update to the Godot 4.2 Android library
+- Add warning when multiple loaders are selected
 
 ## 1.1.0
 - Update Meta OpenXR loader to version 54

demo/addons/godotopenxr/.export/globals.gd

@@ -0,0 +1,13 @@
+@tool
+
+const META_VENDOR_NAME = "meta"
+const PICO_VENDOR_NAME = "pico"
+const LYNX_VENDOR_NAME = "lynx"
+const KHRONOS_VENDOR_NAME = "khr"
+
+const VENDORS_LIST = [
+	META_VENDOR_NAME, 
+	PICO_VENDOR_NAME,
+	LYNX_VENDOR_NAME,
+	KHRONOS_VENDOR_NAME,
+	]

demo/addons/godotopenxr/.export/godot_openxr_editor_export_plugin.gd

@@ -1,6 +1,8 @@
 @tool
 class_name GodotOpenXREditorExportPlugin extends EditorExportPlugin
 
+var globals = preload("globals.gd")
+
 const OPENXR_MODE_VALUE = 1
 
 var _vendor: String
@@ -26,14 +28,14 @@ func _get_android_maven_central_dependency() -> String:
 	return "org.godotengine:godot-openxr-loaders-" + _vendor + ":" + _plugin_version
 
 
-func _get_vendor_toggle_option_name() -> String:
-	return "xr_features/enable_" + _vendor + "_plugin"
+func _get_vendor_toggle_option_name(vendor_name: String = _vendor) -> String:
+	return "xr_features/enable_" + vendor_name + "_plugin"
 
 
-func _get_vendor_toggle_option() -> Dictionary:
+func _get_vendor_toggle_option(vendor_name: String = _vendor) -> Dictionary:
 	var toggle_option = {
 		"option": {
-			"name": _get_vendor_toggle_option_name(),
+			"name": _get_vendor_toggle_option_name(vendor_name),
 			"class_name": "",
 			"type": TYPE_BOOL,
 			"hint": PROPERTY_HINT_NONE,
@@ -69,7 +71,12 @@ func _get_export_option_warning(platform, option) -> String:
 	if not(_is_openxr_enabled()) and _get_bool_option(option):
 		return "\"Enable " + _vendor.capitalize() + " Plugin\" requires \"XR Mode\" to be \"OpenXR\".\n"
 
-	return ""		
+	if _is_vendor_plugin_enabled():
+		for vendor_name in globals.VENDORS_LIST:
+			if (vendor_name != _vendor) and _is_vendor_plugin_enabled(vendor_name):
+				return "\"Disable " + _vendor.capitalize() + " Plugin before enabling another. Multiple plugins are not supported!\""
+
+	return ""
 
 
 func _supports_platform(platform) -> bool:
@@ -92,8 +99,8 @@ func _get_int_option(option: String, default_value: int) -> int:
 	return default_value
 
 
-func _is_vendor_plugin_enabled() -> bool:
-	return _get_bool_option(_get_vendor_toggle_option_name())
+func _is_vendor_plugin_enabled(vendor_name: String = _vendor) -> bool:
+	return _get_bool_option(_get_vendor_toggle_option_name(vendor_name))
 
 
 func _is_android_aar_file_available(debug: bool) -> bool:

demo/addons/godotopenxr/.export/godot_openxr_editor_plugin.gd

@@ -1,6 +1,8 @@
 @tool
 extends EditorPlugin
 
+var globals = preload("globals.gd")
+
 # A class member to hold the export plugin during its lifecycle.
 var meta_export_plugin : EditorExportPlugin
 var pico_export_plugin : EditorExportPlugin
@@ -12,10 +14,10 @@ func _enter_tree():
 	var plugin_version = get_plugin_version()
 
 	# Initializing the export plugins
-	meta_export_plugin = preload("meta/godot_openxr_meta_editor_export_plugin.gd").new("meta", plugin_version)
-	pico_export_plugin = preload("pico/godot_openxr_pico_editor_export_plugin.gd").new("pico", plugin_version)
-	lynx_export_plugin = preload("lynx/godot_openxr_lynx_editor_export_plugin.gd").new("lynx", plugin_version)
-	khr_export_plugin = preload("khr/godot_openxr_khr_editor_export_plugin.gd").new("khr", plugin_version)
+	meta_export_plugin = preload("meta/godot_openxr_meta_editor_export_plugin.gd").new(globals.META_VENDOR_NAME, plugin_version)
+	pico_export_plugin = preload("pico/godot_openxr_pico_editor_export_plugin.gd").new(globals.PICO_VENDOR_NAME, plugin_version)
+	lynx_export_plugin = preload("lynx/godot_openxr_lynx_editor_export_plugin.gd").new(globals.LYNX_VENDOR_NAME, plugin_version)
+	khr_export_plugin = preload("khr/godot_openxr_khr_editor_export_plugin.gd").new(globals.KHRONOS_VENDOR_NAME, plugin_version)
 
 	add_export_plugin(meta_export_plugin)
 	add_export_plugin(pico_export_plugin)

demo/export_presets.cfg

@@ -35,6 +35,7 @@ package/app_category=2
 package/retain_data_on_uninstall=false
 package/exclude_from_recents=false
 package/show_in_android_tv=false
+package/show_in_app_library=true
 package/show_as_launcher_app=false
 launcher_icons/main_192x192=""
 launcher_icons/adaptive_foreground_432x432=""