Method LoadCompatibilityScripts

src/script/script_instance.cpp:125–153

}

bool ScriptInstance::LoadCompatibilityScripts(Subdirectory dir, std::span<const std::string_view> api_versions)
{
	/* Don't try to load compatibility scripts for the current version. */
	if (this->api_version == api_versions.back()) return true;

	ScriptLog::Info(fmt::format("Downgrading API to be compatible with version {}", this->api_version));

	HSQUIRRELVM vm = this->engine->GetVM();
	sq_pushroottable(vm);
	sq_pushstring(vm, "CompatScriptRootTable");
	sq_pushroottable(vm);
	sq_newslot(vm, -3, SQFalse);
	sq_pop(vm, 1);

	/* Downgrade the API till we are the same version as the script. The last
	 * entry in the list is always the current version, so skip that one. */
	for (auto it = std::rbegin(api_versions) + 1; it != std::rend(api_versions); ++it) {
		if (!this->LoadCompatibilityScript(*it, dir)) return false;

		if (*it == this->api_version) break;
	}

	sq_pushroottable(vm);
	sq_pushstring(vm, "CompatScriptRootTable");
	sq_deleteslot(vm, -2, SQFalse);
	sq_pop(vm, 1);

	return true;
}

ScriptInstance::~ScriptInstance()
{