ObjectTypeDB was renamed to ClassDB. Types are meant to be more generic to Variant.

All usages of "type" to refer to classes were renamed to "class"
ClassDB has been exposed to GDScript.
OBJ_TYPE() macro is now GDCLASS()

main/input_default.h

@@ -34,7 +34,7 @@
 
 class InputDefault : public Input {
 
-	OBJ_TYPE( InputDefault, Input );
+	GDCLASS( InputDefault, Input );
 	_THREAD_SAFE_CLASS_
 
 	int mouse_button_mask;

main/main.cpp

@@ -195,7 +195,7 @@ Error Main::setup(const char *execpath,int argc, char *argv[],bool p_second_phas
 	RID_OwnerBase::init_rid();
 
 	OS::get_singleton()->initialize_core();
-	ObjectTypeDB::init();
+	ClassDB::init();
 
 	MAIN_PRINT("Main: Initialize CORE");
 
@@ -1002,10 +1002,10 @@ Error Main::setup2() {
 		}
 	}
 #ifdef TOOLS_ENABLED
-	ObjectTypeDB::set_current_api(ObjectTypeDB::API_EDITOR);
+	ClassDB::set_current_api(ClassDB::API_EDITOR);
 	EditorNode::register_editor_types();
 
-	ObjectTypeDB::set_current_api(ObjectTypeDB::API_CORE);
+	ClassDB::set_current_api(ClassDB::API_CORE);
 
 #endif
 
@@ -1033,11 +1033,11 @@ Error Main::setup2() {
 	_start_success=true;
 	locale=String();
 
-	ObjectTypeDB::set_current_api(ObjectTypeDB::API_NONE); //no more api is registered at this point
+	ClassDB::set_current_api(ClassDB::API_NONE); //no more api is registered at this point
 
 	if (OS::get_singleton()->is_stdout_verbose()) {
-		print_line("CORE API HASH: "+itos(ObjectTypeDB::get_api_hash(ObjectTypeDB::API_CORE)));
-		print_line("EDITOR API HASH: "+itos(ObjectTypeDB::get_api_hash(ObjectTypeDB::API_EDITOR)));
+		print_line("CORE API HASH: "+itos(ClassDB::get_api_hash(ClassDB::API_CORE)));
+		print_line("EDITOR API HASH: "+itos(ClassDB::get_api_hash(ClassDB::API_EDITOR)));
 	}
 	MAIN_PRINT("Main: Done");
 
@@ -1194,7 +1194,7 @@ bool Main::start() {
 
 
 			StringName instance_type=script_res->get_instance_base_type();
-			Object *obj = ObjectTypeDB::instance(instance_type);
+			Object *obj = ClassDB::instance(instance_type);
 			MainLoop *script_loop = obj?obj->cast_to<MainLoop>():NULL;
 			if (!script_loop) {
 				if (obj)
@@ -1219,12 +1219,12 @@ bool Main::start() {
 		main_loop_type="SceneTree";
 
 	if (!main_loop) {
-		if (!ObjectTypeDB::type_exists(main_loop_type)) {
+		if (!ClassDB::class_exists(main_loop_type)) {
 			OS::get_singleton()->alert("godot: error: MainLoop type doesn't exist: "+main_loop_type);
 			return false;
 		} else {
 
-			Object *ml = ObjectTypeDB::instance(main_loop_type);
+			Object *ml = ClassDB::instance(main_loop_type);
 			if (!ml) {
 				ERR_EXPLAIN("Can't instance MainLoop type");
 				ERR_FAIL_V(false);
@@ -1241,7 +1241,7 @@ bool Main::start() {
 		}
 	}
 
-	if (main_loop->is_type("SceneTree")) {
+	if (main_loop->is_class("SceneTree")) {
 
 		SceneTree *sml = main_loop->cast_to<SceneTree>();
 
@@ -1452,17 +1452,17 @@ bool Main::start() {
 					ERR_EXPLAIN("Can't autoload: "+path);
 					ERR_CONTINUE(res.is_null());
 					Node *n=NULL;
-					if (res->is_type("PackedScene")) {
+					if (res->is_class("PackedScene")) {
 						Ref<PackedScene> ps = res;
 						n=ps->instance();
-					} else if (res->is_type("Script")) {
+					} else if (res->is_class("Script")) {
 						Ref<Script> s = res;
 						StringName ibt = s->get_instance_base_type();
-						bool valid_type = ObjectTypeDB::is_type(ibt,"Node");
+						bool valid_type = ClassDB::is_parent_class(ibt,"Node");
 						ERR_EXPLAIN("Script does not inherit a Node: "+path);
 						ERR_CONTINUE( !valid_type );
 
-						Object *obj = ObjectTypeDB::instance(ibt);
+						Object *obj = ClassDB::instance(ibt);
 
 						ERR_EXPLAIN("Cannot instance script for autoload, expected 'Node' inheritance, got: "+String(ibt));
 						ERR_CONTINUE( obj==NULL );

main/performance.cpp

@@ -40,7 +40,7 @@ Performance *Performance::singleton=NULL;
 
 void Performance::_bind_methods() {
 
-	ObjectTypeDB::bind_method(_MD("get_monitor","monitor"),&Performance::get_monitor);
+	ClassDB::bind_method(_MD("get_monitor","monitor"),&Performance::get_monitor);
 
 	BIND_CONSTANT( TIME_FPS );
 	BIND_CONSTANT( TIME_PROCESS );

main/performance.h

@@ -37,7 +37,7 @@
 
 class Performance : public Object {
 
-	OBJ_TYPE(Performance,Object);
+	GDCLASS(Performance,Object);
 
 	static Performance *singleton;
 	static void _bind_methods();