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Allow GDExtensions to register virtual methods and call them on scripts

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This commit is contained in:
David Snopek
2024-01-30 11:25:25 -06:00
parent 36847f6af0
commit 8fbb7cf795
14 changed files with 316 additions and 2 deletions
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3
include/godot_cpp/core/class_db.hpp
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@@ -165,7 +165,10 @@ public:
static void add_property(const StringName &p_class, const PropertyInfo &p_pinfo, const StringName &p_setter, const StringName &p_getter, int p_index = -1);
static void add_signal(const StringName &p_class, const MethodInfo &p_signal);
static void bind_integer_constant(const StringName &p_class_name, const StringName &p_enum_name, const StringName &p_constant_name, GDExtensionInt p_constant_value, bool p_is_bitfield = false);
// Binds an implementation of a virtual method defined in Godot.
static void bind_virtual_method(const StringName &p_class, const StringName &p_method, GDExtensionClassCallVirtual p_call);
// Add a new virtual method that can be implemented by scripts.
static void add_virtual_method(const StringName &p_class, const MethodInfo &p_method, const Vector<StringName> &p_arg_names = Vector<StringName>());
static MethodBind *get_method(const StringName &p_class, const StringName &p_method);

2
include/godot_cpp/core/object.hpp
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@@ -68,6 +68,8 @@ struct MethodInfo {
int id = 0;
std::vector<PropertyInfo> arguments;
std::vector<Variant> default_arguments;
GDExtensionClassMethodArgumentMetadata return_val_metadata;
std::vector<GDExtensionClassMethodArgumentMetadata> arguments_metadata;
inline bool operator==(const MethodInfo &p_method) const { return id == p_method.id; }
inline bool operator<(const MethodInfo &p_method) const { return id == p_method.id ? (name < p_method.name) : (id < p_method.id); }

11
include/godot_cpp/core/property_info.hpp
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@@ -80,6 +80,17 @@ struct PropertyInfo {
p_info->usage = usage;
*(reinterpret_cast<StringName *>(p_info->class_name)) = class_name;
}
GDExtensionPropertyInfo _to_gdextension() const {
return {
(GDExtensionVariantType)type,
name._native_ptr(),
class_name._native_ptr(),
hint,
hint_string._native_ptr(),
usage,
};
}
};
} // namespace godot