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Allow registering "runtime classes"

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This commit is contained in:
David Snopek
2023-09-29 16:30:59 -05:00
parent 5fcc43e54d
commit fb884573ea
7 changed files with 104 additions and 9 deletions
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17
include/godot_cpp/core/class_db.hpp
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@@ -110,7 +110,7 @@ private:
static void bind_method_godot(const StringName &p_class_name, MethodBind *p_method);
template <class T, bool is_abstract>
static void _register_class(bool p_virtual = false, bool p_exposed = true);
static void _register_class(bool p_virtual = false, bool p_exposed = true, bool p_runtime = false);
template <class T>
static GDExtensionObjectPtr _create_instance_func(void *data) {
@@ -146,6 +146,8 @@ public:
static void register_abstract_class();
template <class T>
static void register_internal_class();
template <class T>
static void register_runtime_class();
_FORCE_INLINE_ static void _register_engine_class(const StringName &p_name, const GDExtensionInstanceBindingCallbacks *p_callbacks) {
instance_binding_callbacks[p_name] = p_callbacks;
@@ -199,7 +201,7 @@ public:
}
template <class T, bool is_abstract>
void ClassDB::_register_class(bool p_virtual, bool p_exposed) {
void ClassDB::_register_class(bool p_virtual, bool p_exposed, bool p_runtime) {
static_assert(TypesAreSame<typename T::self_type, T>::value, "Class not declared properly, please use GDCLASS.");
instance_binding_callbacks[T::get_class_static()] = &T::_gde_binding_callbacks;
@@ -217,10 +219,11 @@ void ClassDB::_register_class(bool p_virtual, bool p_exposed) {
class_register_order.push_back(cl.name);
// Register this class with Godot
GDExtensionClassCreationInfo2 class_info = {
GDExtensionClassCreationInfo3 class_info = {
p_virtual, // GDExtensionBool is_virtual;
is_abstract, // GDExtensionBool is_abstract;
p_exposed, // GDExtensionBool is_exposed;
p_runtime, // GDExtensionBool is_runtime;
T::set_bind, // GDExtensionClassSet set_func;
T::get_bind, // GDExtensionClassGet get_func;
T::has_get_property_list() ? T::get_property_list_bind : nullptr, // GDExtensionClassGetPropertyList get_property_list_func;
@@ -242,7 +245,7 @@ void ClassDB::_register_class(bool p_virtual, bool p_exposed) {
(void *)&T::get_class_static(), // void *class_userdata;
};
internal::gdextension_interface_classdb_register_extension_class2(internal::library, cl.name._native_ptr(), cl.parent_name._native_ptr(), &class_info);
internal::gdextension_interface_classdb_register_extension_class3(internal::library, cl.name._native_ptr(), cl.parent_name._native_ptr(), &class_info);
// call bind_methods etc. to register all members of the class
T::initialize_class();
@@ -266,6 +269,11 @@ void ClassDB::register_internal_class() {
ClassDB::_register_class<T, false>(false, false);
}
template <class T>
void ClassDB::register_runtime_class() {
ClassDB::_register_class<T, false>(false, true, true);
}
template <class N, class M, typename... VarArgs>
MethodBind *ClassDB::bind_method(N p_method_name, M p_method, VarArgs... p_args) {
Variant args[sizeof...(p_args) + 1] = { p_args..., Variant() }; // +1 makes sure zero sized arrays are also supported.
@@ -325,6 +333,7 @@ MethodBind *ClassDB::bind_vararg_method(uint32_t p_flags, StringName p_name, M p
#define GDREGISTER_VIRTUAL_CLASS(m_class) ClassDB::register_class<m_class>(true);
#define GDREGISTER_ABSTRACT_CLASS(m_class) ClassDB::register_abstract_class<m_class>();
#define GDREGISTER_INTERNAL_CLASS(m_class) ClassDB::register_internal_class<m_class>();
#define GDREGISTER_RUNTIME_CLASS(m_class) ClassDB::register_runtime_class<m_class>();
} // namespace godot

2
include/godot_cpp/godot.hpp
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@@ -177,7 +177,7 @@ extern "C" GDExtensionInterfacePlaceHolderScriptInstanceUpdate gdextension_inter
extern "C" GDExtensionInterfaceClassdbConstructObject gdextension_interface_classdb_construct_object;
extern "C" GDExtensionInterfaceClassdbGetMethodBind gdextension_interface_classdb_get_method_bind;
extern "C" GDExtensionInterfaceClassdbGetClassTag gdextension_interface_classdb_get_class_tag;
extern "C" GDExtensionInterfaceClassdbRegisterExtensionClass2 gdextension_interface_classdb_register_extension_class2;
extern "C" GDExtensionInterfaceClassdbRegisterExtensionClass3 gdextension_interface_classdb_register_extension_class3;
extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassMethod gdextension_interface_classdb_register_extension_class_method;
extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassVirtualMethod gdextension_interface_classdb_register_extension_class_virtual_method;
extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant gdextension_interface_classdb_register_extension_class_integer_constant;