godot-cpp-utils/godot_macros.h

#ifndef UC_GODOT_MACROS_H
#define UC_GODOT_MACROS_H

#include "godot_cpp/classes/engine.hpp"
#include "godot_cpp/core/class_db.hpp"

#define MACRO_STRING_INNER(_Arg) #_Arg
#define MACRO_STRING(_Arg) MACRO_STRING_INNER(_Arg)

#define GDPROPERTY(_PropName, _PropType)                                                                               \
    ClassDB::bind_method(D_METHOD("get_" #_PropName), &CLASSNAME::get_##_PropName);                                    \
    ClassDB::bind_method(D_METHOD("set_" #_PropName, "value"), &CLASSNAME::set_##_PropName);                           \
    ClassDB::add_property(MACRO_STRING(CLASSNAME), PropertyInfo(_PropType, #_PropName), "set_" #_PropName,             \
                          "get_" #_PropName)

#define GDPROPERTY_HINTED(_PropName, _PropType, ...)                                                                   \
    ClassDB::bind_method(D_METHOD("get_" #_PropName), &CLASSNAME::get_##_PropName);                                    \
    ClassDB::bind_method(D_METHOD("set_" #_PropName, "value"), &CLASSNAME::set_##_PropName);                           \
    ClassDB::add_property(MACRO_STRING(CLASSNAME), PropertyInfo(_PropType, #_PropName, __VA_ARGS__),                   \
                          "set_" #_PropName, "get_" #_PropName)

#define GDFUNCTION(_FnName) ClassDB::bind_method(D_METHOD(#_FnName), &CLASSNAME::_FnName)

#define GDFUNCTION_ARGS(_FnName, ...) ClassDB::bind_method(D_METHOD(#_FnName, __VA_ARGS__), &CLASSNAME::_FnName)

#define GDFUNCTION_STATIC(_FnName)                                                                                     \
    ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), D_METHOD(#_FnName), &CLASSNAME::_FnName)

#define GDFUNCTION_STATIC_ARGS(_FnName, ...)                                                                           \
    ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), D_METHOD(#_FnName, __VA_ARGS__), &CLASSNAME::_FnName)

#define GDSIGNAL(...)\
    ClassDB::add_signal(MACRO_STRING(CLASSNAME), MethodInfo(__VA_ARGS__))

#define GDRESOURCETYPE(_Class) vformat("%s/%s:%s", Variant::OBJECT, PROPERTY_HINT_RESOURCE_TYPE, #_Class)

#define GDEDITORONLY() if(!Engine::get_singleton()->is_editor_hint()) return;
#define GDGAMEONLY() if(Engine::get_singleton()->is_editor_hint()) return;

#endif // !UC_GODOT_MACROS_H