From da9fb1ed0f259b9d776d12adfed0df0b92097ed1 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Sun, 25 Sep 2022 20:51:33 +0200
Subject: [PATCH] Util: Allow setting instance pointer manually, ex: in
 constructor

---
 src/ruc/singleton.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/ruc/singleton.h b/src/ruc/singleton.h
index c753dc0..922880c 100644
--- a/src/ruc/singleton.h
+++ b/src/ruc/singleton.h
@@ -29,7 +29,9 @@ public:
 
 	static inline void destroy()
 	{
-		VERIFY(s_instance, "singleton does not exist");
+		if (!s_instance) {
+			return;
+		}
 
 		delete s_instance;
 		s_instance = nullptr;
@@ -44,6 +46,13 @@ public:
 protected:
 	Singleton() {}
 
+	// Hack: in certain situations the instance needs to be set early
+	static void set(T* instance)
+	{
+		VERIFY(!s_instance, "singleton already exists");
+		s_instance = instance;
+	}
+
 	// Constructor token
 	struct s {};