feat: enabled macro expansion in Doxyfile

Doxyfile

@@ -2352,7 +2352,7 @@ ENABLE_PREPROCESSING   = YES
 # The default value is: NO.
 # This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
 
-MACRO_EXPANSION        = NO
+MACRO_EXPANSION        = YES
 
 # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES then
 # the macro expansion is limited to the macros specified with the PREDEFINED and

godot_macros.hpp

@@ -1,5 +1,9 @@
-#ifndef UC_GODOT_MACROS_H
-#define UC_GODOT_MACROS_H
+#ifndef UTILS_GODOT_MACROS_HPP
+#define UTILS_GODOT_MACROS_HPP
+
+/*! \file godot_macros.h
+ * \brief C-style preprocessor macros to simplify using godot's C++ API.
+ */
 
 #include "godot_cpp/classes/engine.hpp"
 #include "godot_cpp/core/class_db.hpp"
@@ -9,7 +13,8 @@
 #define MACRO_STRING_INNER(_Arg) #_Arg
 #define MACRO_STRING(_Arg) MACRO_STRING_INNER(_Arg)
 
-/*! Register property.
+/*! \def GDPROPERTY(PropName_, PropType_)
+ * \brief Register property.
  *
  * Register variable CLASSNAME::PropName_ with variant type PropType_.
  * Requires setting CLASSNAME as a #define first. Also requires a CLASSNAME::get_PropName_ and CLASSNAME::set_PropName_ to exist.
@@ -19,7 +24,8 @@
     godot::ClassDB::bind_method(godot::D_METHOD("set_" #PropName_, "value"), &CLASSNAME::set_##PropName_); \
     godot::ClassDB::add_property(MACRO_STRING(CLASSNAME), godot::PropertyInfo(PropType_, #PropName_), "set_" #PropName_, "get_" #PropName_)
 
-/*! Register a hinted property.
+/*! \def GDPROPERTY_HINTED(PropName_, PropType_, ...)
+ * \brief Register a hinted property.
  *
  * Register variable CLASSNAME::PropName_ with variant type PropType_.
  * Requires setting CLASSNAME as a #define first, and CLASSNAME::get_PropName and CLASSNAME::set_PropName_ to exist.
@@ -29,62 +35,66 @@
     godot::ClassDB::bind_method(godot::D_METHOD("set_" #PropName_, "value"), &CLASSNAME::set_##PropName_); \
     godot::ClassDB::add_property(MACRO_STRING(CLASSNAME), godot::PropertyInfo(PropType_, #PropName_, __VA_ARGS__), "set_" #PropName_, "get_" #PropName_)
 
-/*! Register a function.
- *
- * Register a function CLASSNAME::_FnName() to godot.
+/*! \def GDFUNCTION(FnName_)
+ * \brief Register a function CLASSNAME::FnName_() to godot.
+ * 
  * Requires setting CLASSNAME as a #define first.
  */
-#define GDFUNCTION(_FnName) godot::ClassDB::bind_method(godot::D_METHOD(#_FnName), &CLASSNAME::_FnName)
+#define GDFUNCTION(FnName_) godot::ClassDB::bind_method(godot::D_METHOD(#FnName_), &CLASSNAME::FnName_)
 
-/*! Register a function with arguments.
- *
- * Register a function CLASSNAME::_FnName(...) to godot.
+/*! \def GDFUNCTION_ARGS(FnName_, ...)
+ * \brief Register a function CLASSNAME::FnName_(...) to godot.
+ * 
  * Requires setting CLASSNAME as a #define first.
  */
-#define GDFUNCTION_ARGS(_FnName, ...) godot::ClassDB::bind_method(godot::D_METHOD(#_FnName, __VA_ARGS__), &CLASSNAME::_FnName)
+#define GDFUNCTION_ARGS(FnName_, ...) godot::ClassDB::bind_method(godot::D_METHOD(#FnName_, __VA_ARGS__), &CLASSNAME::FnName_)
 
-/*! Register a static function.
- *
- * Register a static member function CLASSNAME::_FnName() to godot.
+/*! \def GDFUNCTION_STATIC(FnName_)
+ * \brief Register a static member function CLASSNAME::FnName_() to godot.
+ * 
  * Requires setting CLASSNAME as a #define first.
  */
-#define GDFUNCTION_STATIC(_FnName) godot::ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), godot::D_METHOD(#_FnName), &CLASSNAME::_FnName)
+#define GDFUNCTION_STATIC(FnName_) godot::ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), godot::D_METHOD(#FnName_), &CLASSNAME::_FnName)
 
-/*! Register a static function with arguments.
- *
- * Register a static member function CLASSNAME::_FnName(...) to godot.
+/*! \def GDFUNCTION_STATIC_ARGS(FnName_, ...)
+ * \brief Register a static member function CLASSNAME::FnName_(...) to godot.
+ * 
  * Requires setting CLASSNAME as a #define first.
  */
-#define GDFUNCTION_STATIC_ARGS(_FnName, ...) godot::ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), godot::D_METHOD(#_FnName, __VA_ARGS__), &CLASSNAME::_FnName)
+#define GDFUNCTION_STATIC_ARGS(FnName_, ...) godot::ClassDB::bind_static_method(MACRO_STRING(CLASSNAME), godot::D_METHOD(#FnName_, __VA_ARGS__), &CLASSNAME::FnName_)
 
-/*! Declare a godot Observer signal.
- *
- * Declare the existence of a Observer signal to godot.
+/*! \def GDSIGNAL(...)
+ * \brief Declare a godot Observer signal.
  */
 #define GDSIGNAL(...) godot::ClassDB::add_signal(MACRO_STRING(CLASSNAME), godot::MethodInfo(__VA_ARGS__))
 
-/*! Construct godot resource type hint.
+/*! \def GDRESOURCETYPE(Class_)
+ * \brief Construct godot resource type hint.
  *
  * Use when registering properties of arrays of resource classes.
  */
-#define GDRESOURCETYPE(_Class) godot::vformat("%s/%s:%s", godot::Variant::OBJECT, godot::PROPERTY_HINT_RESOURCE_TYPE, #_Class)
+#define GDRESOURCETYPE(Class_) godot::vformat("%s/%s:%s", godot::Variant::OBJECT, godot::PROPERTY_HINT_RESOURCE_TYPE, #Class_)
 
-/*! Execute the rest of the function only if currently running as editor.
+/*! \def GDEDITORONLY()
+ * \brief Execute the rest of the function only if currently running as editor.
  *
  * Useful for _ready, _enter/_exit, _process, etc. functions.
  */
 #define GDEDITORONLY() if(!godot::Engine::get_singleton()->is_editor_hint()) return;
-/*! Execute the rest of the function only if currently running as game.
+/*! \def GDGAMEONLY()
+ * \brief Execute the rest of the function only if currently running as game.
  *
  * Useful for _ready, _enter/_exit, _process, etc. functions.
  */
 #define GDGAMEONLY() if(godot::Engine::get_singleton()->is_editor_hint()) return;
 
-/*! Declare a scoped enum struct.
+/*! \def GDENUM(Name_, ...)
+ * \brief Declare a scoped enum struct.
  *
  * Declares a struct Name_ with an enum Value and a single variable and a get_property_hint() function.
  */
-#define GDENUM(Name_, ...) struct Name_ {\
+#define GDENUM(Name_, ...)\
+struct Name_ {\
     enum Value {__VA_ARGS__};\
     private:\
     Value value{};\
@@ -94,4 +104,4 @@
     inline Name_(Name_ const &value): value{value.value} {}\
 }
 
-#endif // !UC_GODOT_MACROS_H
+#endif // !UTILS_GODOT_MACROS_HPP