From 827b03a32c968d19b792af9a737c9d6b4a3c7053 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Guilloux?= <glx22@users.noreply.github.com>
Date: Wed, 2 Apr 2025 12:30:57 +0200
Subject: [PATCH] Fix: [Script] Prevent cloning of API instances (#13947)

---
 src/script/api/script_includes.hpp.in | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/script/api/script_includes.hpp.in b/src/script/api/script_includes.hpp.in
index a24e66458a..6b2f27e5cb 100644
--- a/src/script/api/script_includes.hpp.in
+++ b/src/script/api/script_includes.hpp.in
@@ -7,6 +7,8 @@
 
 /* THIS FILE IS AUTO-GENERATED; PLEASE DO NOT ALTER MANUALLY */
 
+#include "../script_fatalerror.hpp"
+
 ${SQUIRREL_INCLUDES}
 
 static SQInteger ${APIUC}ObjectConstructor(HSQUIRRELVM vm)
@@ -14,11 +16,17 @@ static SQInteger ${APIUC}ObjectConstructor(HSQUIRRELVM vm)
 	return sq_throwerror(vm, "${APIUC}Object is not instantiable");
 }
 
+static SQInteger ${APIUC}ObjectCloned(HSQUIRRELVM)
+{
+	throw Script_FatalError("This instance is not cloneable");
+}
+
 void SQ${APIUC}_RegisterAll(Squirrel *engine)
 {
 	DefSQClass<ScriptObject, ScriptType::${APIUC}> SQ${APIUC}Object("${APIUC}Object");
 	SQ${APIUC}Object.PreRegister(engine);
 	SQ${APIUC}Object.DefSQAdvancedStaticMethod(engine, &${APIUC}ObjectConstructor, "constructor");
+	SQ${APIUC}Object.DefSQAdvancedStaticMethod(engine, &${APIUC}ObjectCloned, "_cloned");
 	SQ${APIUC}Object.PostRegister(engine);
 
 ${SQUIRREL_REGISTER}