1 files changed, 31 insertions, 8 deletions

diff --git a/servers/physics_server_2d.cpp b/servers/physics_server_2d.cpp
index 528ac18f88..abaa473017 100644
--- a/servers/physics_server_2d.cpp
+++ b/servers/physics_server_2d.cpp
@@ -876,9 +876,7 @@ PhysicsServer2D::~PhysicsServer2D() {
 	singleton = nullptr;
 }
 
-Vector<PhysicsServer2DManager::ClassInfo> PhysicsServer2DManager::physics_2d_servers;
-int PhysicsServer2DManager::default_server_id = -1;
-int PhysicsServer2DManager::default_server_priority = -1;
+PhysicsServer2DManager *PhysicsServer2DManager::singleton = nullptr;
 const String PhysicsServer2DManager::setting_property_name(PNAME("physics/2d/physics_engine"));
 
 void PhysicsServer2DManager::on_servers_changed() {
@@ -889,10 +887,19 @@ void PhysicsServer2DManager::on_servers_changed() {
 	ProjectSettings::get_singleton()->set_custom_property_info(setting_property_name, PropertyInfo(Variant::STRING, setting_property_name, PROPERTY_HINT_ENUM, physics_servers));
 }
 
-void PhysicsServer2DManager::register_server(const String &p_name, CreatePhysicsServer2DCallback p_creat_callback) {
-	ERR_FAIL_COND(!p_creat_callback);
+void PhysicsServer2DManager::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("register_server", "name", "create_callback"), &PhysicsServer2DManager::register_server);
+	ClassDB::bind_method(D_METHOD("set_default_server", "name", "priority"), &PhysicsServer2DManager::set_default_server);
+}
+
+PhysicsServer2DManager *PhysicsServer2DManager::get_singleton() {
+	return singleton;
+}
+
+void PhysicsServer2DManager::register_server(const String &p_name, const Callable &p_create_callback) {
+	//ERR_FAIL_COND(!p_create_callback.is_valid());
 	ERR_FAIL_COND(find_server_id(p_name) != -1);
-	physics_2d_servers.push_back(ClassInfo(p_name, p_creat_callback));
+	physics_2d_servers.push_back(ClassInfo(p_name, p_create_callback));
 	on_servers_changed();
 }
 
@@ -925,7 +932,11 @@ String PhysicsServer2DManager::get_server_name(int p_id) {
 
 PhysicsServer2D *PhysicsServer2DManager::new_default_server() {
 	ERR_FAIL_COND_V(default_server_id == -1, nullptr);
-	return physics_2d_servers[default_server_id].create_callback();
+	Variant ret;
+	Callable::CallError ce;
+	physics_2d_servers[default_server_id].create_callback.callp(nullptr, 0, ret, ce);
+	ERR_FAIL_COND_V(ce.error != Callable::CallError::CALL_OK, nullptr);
+	return Object::cast_to<PhysicsServer2D>(ret.get_validated_object());
 }
 
 PhysicsServer2D *PhysicsServer2DManager::new_server(const String &p_name) {
@@ -933,6 +944,18 @@ PhysicsServer2D *PhysicsServer2DManager::new_server(const String &p_name) {
 	if (id == -1) {
 		return nullptr;
 	} else {
-		return physics_2d_servers[id].create_callback();
+		Variant ret;
+		Callable::CallError ce;
+		physics_2d_servers[id].create_callback.callp(nullptr, 0, ret, ce);
+		ERR_FAIL_COND_V(ce.error != Callable::CallError::CALL_OK, nullptr);
+		return Object::cast_to<PhysicsServer2D>(ret.get_validated_object());
 	}
 }
+
+PhysicsServer2DManager::PhysicsServer2DManager() {
+	singleton = this;
+}
+
+PhysicsServer2DManager::~PhysicsServer2DManager() {
+	singleton = nullptr;
+}