From a89e744ed0e8c759caf041a580112365bbfe4303 Mon Sep 17 00:00:00 2001
From: radiohotline <radoihotline@disroot.rg>
Date: Tue, 25 Aug 2026 16:33:56 +0300
Subject: escoria update

---
 addons/gdUnit4/src/core/GdUnitSingleton.gd | 56 ++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 addons/gdUnit4/src/core/GdUnitSingleton.gd

(limited to 'addons/gdUnit4/src/core/GdUnitSingleton.gd')

diff --git a/addons/gdUnit4/src/core/GdUnitSingleton.gd b/addons/gdUnit4/src/core/GdUnitSingleton.gd
new file mode 100644
index 0000000..b8e08cc
--- /dev/null
+++ b/addons/gdUnit4/src/core/GdUnitSingleton.gd
@@ -0,0 +1,56 @@
+################################################################################
+# Provides access to a global accessible singleton
+#
+# This is a workarount to the existing auto load singleton because of some bugs
+# around plugin handling
+################################################################################
+class_name GdUnitSingleton
+extends Object
+
+
+const GdUnitTools := preload("res://addons/gdUnit4/src/core/GdUnitTools.gd")
+const MEATA_KEY := "GdUnitSingletons"
+
+
+static func instance(name: String, clazz: Callable) -> Variant:
+	if Engine.has_meta(name):
+		return Engine.get_meta(name)
+	var singleton: Variant = clazz.call()
+	if  is_instance_of(singleton, RefCounted):
+		@warning_ignore("unsafe_cast")
+		push_error("Invalid singleton implementation detected for '%s' is `%s`!" % [name, (singleton as RefCounted).get_class()])
+		return
+
+	Engine.set_meta(name, singleton)
+	GdUnitTools.prints_verbose("Register singleton '%s:%s'" % [name, singleton])
+	var singletons: PackedStringArray = Engine.get_meta(MEATA_KEY, PackedStringArray())
+	@warning_ignore("return_value_discarded")
+	singletons.append(name)
+	Engine.set_meta(MEATA_KEY, singletons)
+	return singleton
+
+
+static func unregister(p_singleton: String, use_call_deferred: bool = false) -> void:
+	var singletons: PackedStringArray = Engine.get_meta(MEATA_KEY, PackedStringArray())
+	if singletons.has(p_singleton):
+		GdUnitTools.prints_verbose("\n	Unregister singleton '%s'" % p_singleton);
+		var index := singletons.find(p_singleton)
+		singletons.remove_at(index)
+		var instance_: Object = Engine.get_meta(p_singleton)
+		GdUnitTools.prints_verbose("	Free singleton instance '%s:%s'" % [p_singleton, instance_])
+		@warning_ignore("return_value_discarded")
+		GdUnitTools.free_instance(instance_, use_call_deferred)
+		Engine.remove_meta(p_singleton)
+		GdUnitTools.prints_verbose("	Successfully freed '%s'" % p_singleton)
+	Engine.set_meta(MEATA_KEY, singletons)
+
+
+static func dispose(use_call_deferred: bool = false) -> void:
+	# use a copy because unregister is modify the singletons array
+	var singletons: PackedStringArray = Engine.get_meta(MEATA_KEY, PackedStringArray())
+	GdUnitTools.prints_verbose("----------------------------------------------------------------")
+	GdUnitTools.prints_verbose("Cleanup singletons %s" % singletons)
+	for singleton in PackedStringArray(singletons):
+		unregister(singleton, use_call_deferred)
+	Engine.remove_meta(MEATA_KEY)
+	GdUnitTools.prints_verbose("----------------------------------------------------------------")
-- 
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