Add support for indexed properties

Author: mihe

gdextension/gdextension_interface.h

@@ -2211,6 +2211,23 @@ typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant)
  */
 typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassProperty)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter);
 
+/**
+ * @name classdb_register_extension_class_property_indexed
+ * @since 4.2
+ *
+ * Registers an indexed property on an extension class in the ClassDB.
+ *
+ * Provided struct can be safely freed once the function returns.
+ *
+ * @param p_library A pointer the library received by the GDExtension's entry point function.
+ * @param p_class_name A pointer to a StringName with the class name.
+ * @param p_info A pointer to a GDExtensionPropertyInfo struct.
+ * @param p_setter A pointer to a StringName with the name of the setter method.
+ * @param p_getter A pointer to a StringName with the name of the getter method.
+ * @param p_index The index to pass as the first argument to the getter and setter methods.
+ */
+typedef void (*GDExtensionInterfaceClassdbRegisterExtensionClassPropertyIndexed)(GDExtensionClassLibraryPtr p_library, GDExtensionConstStringNamePtr p_class_name, const GDExtensionPropertyInfo *p_info, GDExtensionConstStringNamePtr p_setter, GDExtensionConstStringNamePtr p_getter, GDExtensionInt p_index);
+
 /**
  * @name classdb_register_extension_class_property_group
  * @since 4.1

include/godot_cpp/core/class_db.hpp

@@ -79,15 +79,6 @@ class ClassDB {
 friend class godot::GDExtensionBinding;
 
 public:
-struct PropertySetGet {
-int index;
-StringName setter;
-StringName getter;
-MethodBind *_setptr;
-MethodBind *_getptr;
-Variant::Type type;
-};
-
 struct ClassInfo {
 StringName name;
 StringName parent_name;

include/godot_cpp/core/object.hpp

@@ -49,6 +49,7 @@
 #define ADD_GROUP(m_name, m_prefix) godot::ClassDB::add_property_group(get_class_static(), m_name, m_prefix)
 #define ADD_SUBGROUP(m_name, m_prefix) godot::ClassDB::add_property_subgroup(get_class_static(), m_name, m_prefix)
 #define ADD_PROPERTY(m_property, m_setter, m_getter) godot::ClassDB::add_property(get_class_static(), m_property, m_setter, m_getter)
+#define ADD_PROPERTYI(m_property, m_setter, m_getter, m_index) godot::ClassDB::add_property(get_class_static(), m_property, m_setter, m_getter, m_index)
 
 namespace godot {
 

include/godot_cpp/godot.hpp

@@ -173,6 +173,7 @@ extern "C" GDExtensionInterfaceClassdbRegisterExtensionClass gdextension_interfa
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassMethod gdextension_interface_classdb_register_extension_class_method;
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant gdextension_interface_classdb_register_extension_class_integer_constant;
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassProperty gdextension_interface_classdb_register_extension_class_property;
+extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassPropertyIndexed gdextension_interface_classdb_register_extension_class_property_indexed;
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassPropertyGroup gdextension_interface_classdb_register_extension_class_property_group;
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassPropertySubgroup gdextension_interface_classdb_register_extension_class_property_subgroup;
 extern "C" GDExtensionInterfaceClassdbRegisterExtensionClassSignal gdextension_interface_classdb_register_extension_class_signal;

src/core/class_db.cpp

@@ -105,15 +105,7 @@ void ClassDB::add_property(const StringName &p_class, const PropertyInfo &p_pinf
 p_pinfo.usage, // DEFAULT //uint32_t usage;
 };
 
-PropertySetGet setget;
-setget.setter = p_setter;
-setget.getter = p_getter;
-setget._setptr = setter;
-setget._getptr = getter;
-setget.index = p_index;
-setget.type = p_pinfo.type;
-
-internal::gdextension_interface_classdb_register_extension_class_property(internal::library, info.name._native_ptr(), &prop_info, setget.setter._native_ptr(), setget.getter._native_ptr());
+internal::gdextension_interface_classdb_register_extension_class_property_indexed(internal::library, info.name._native_ptr(), &prop_info, p_setter._native_ptr(), p_getter._native_ptr(), p_index);
 }
 
 MethodBind *ClassDB::get_method(const StringName &p_class, const StringName &p_method) {

src/godot.cpp

@@ -178,6 +178,7 @@ GDExtensionInterfaceClassdbRegisterExtensionClass gdextension_interface_classdb_
 GDExtensionInterfaceClassdbRegisterExtensionClassMethod gdextension_interface_classdb_register_extension_class_method = nullptr;
 GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant gdextension_interface_classdb_register_extension_class_integer_constant = nullptr;
 GDExtensionInterfaceClassdbRegisterExtensionClassProperty gdextension_interface_classdb_register_extension_class_property = nullptr;
+GDExtensionInterfaceClassdbRegisterExtensionClassPropertyIndexed gdextension_interface_classdb_register_extension_class_property_indexed = nullptr;
 GDExtensionInterfaceClassdbRegisterExtensionClassPropertyGroup gdextension_interface_classdb_register_extension_class_property_group = nullptr;
 GDExtensionInterfaceClassdbRegisterExtensionClassPropertySubgroup gdextension_interface_classdb_register_extension_class_property_subgroup = nullptr;
 GDExtensionInterfaceClassdbRegisterExtensionClassSignal gdextension_interface_classdb_register_extension_class_signal = nullptr;
@@ -360,6 +361,7 @@ GDExtensionBool GDExtensionBinding::init(GDExtensionInterfaceGetProcAddress p_ge
 LOAD_PROC_ADDRESS(classdb_register_extension_class_method, GDExtensionInterfaceClassdbRegisterExtensionClassMethod);
 LOAD_PROC_ADDRESS(classdb_register_extension_class_integer_constant, GDExtensionInterfaceClassdbRegisterExtensionClassIntegerConstant);
 LOAD_PROC_ADDRESS(classdb_register_extension_class_property, GDExtensionInterfaceClassdbRegisterExtensionClassProperty);
+LOAD_PROC_ADDRESS(classdb_register_extension_class_property_indexed, GDExtensionInterfaceClassdbRegisterExtensionClassPropertyIndexed);
 LOAD_PROC_ADDRESS(classdb_register_extension_class_property_group, GDExtensionInterfaceClassdbRegisterExtensionClassPropertyGroup);
 LOAD_PROC_ADDRESS(classdb_register_extension_class_property_subgroup, GDExtensionInterfaceClassdbRegisterExtensionClassPropertySubgroup);
 LOAD_PROC_ADDRESS(classdb_register_extension_class_signal, GDExtensionInterfaceClassdbRegisterExtensionClassSignal);