godot-cpp/include/godot_cpp/core/engine_ptrcall.hpp

98 lines
4.6 KiB
C++

/**************************************************************************/
/* engine_ptrcall.hpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef GODOT_ENGINE_PTRCALL_HPP
#define GODOT_ENGINE_PTRCALL_HPP
#include <gdextension_interface.h>
#include <godot_cpp/core/binder_common.hpp>
#include <godot_cpp/core/object.hpp>
#include <godot_cpp/godot.hpp>
#include <array>
namespace godot {
namespace internal {
template <typename O, typename... Args>
O *_call_native_mb_ret_obj(const GDExtensionMethodBindPtr mb, void *instance, const Args &...args) {
GodotObject *ret = nullptr;
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
internal::gdextension_interface_object_method_bind_ptrcall(mb, instance, mb_args.data(), &ret);
if (ret == nullptr) {
return nullptr;
}
return reinterpret_cast<O *>(internal::get_object_instance_binding(ret));
}
template <typename R, typename... Args>
R _call_native_mb_ret(const GDExtensionMethodBindPtr mb, void *instance, const Args &...args) {
R ret;
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
internal::gdextension_interface_object_method_bind_ptrcall(mb, instance, mb_args.data(), &ret);
return ret;
}
template <typename... Args>
void _call_native_mb_no_ret(const GDExtensionMethodBindPtr mb, void *instance, const Args &...args) {
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
internal::gdextension_interface_object_method_bind_ptrcall(mb, instance, mb_args.data(), nullptr);
}
template <typename R, typename... Args>
R _call_utility_ret(GDExtensionPtrUtilityFunction func, const Args &...args) {
R ret;
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
func(&ret, mb_args.data(), mb_args.size());
return ret;
}
template <typename... Args>
Object *_call_utility_ret_obj(const GDExtensionPtrUtilityFunction func, const Args &...args) {
GodotObject *ret = nullptr;
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
func(&ret, mb_args.data(), mb_args.size());
return (Object *)internal::get_object_instance_binding(ret);
}
template <typename... Args>
void _call_utility_no_ret(const GDExtensionPtrUtilityFunction func, const Args &...args) {
std::array<GDExtensionConstTypePtr, sizeof...(Args)> mb_args = { { (GDExtensionConstTypePtr)args... } };
func(nullptr, mb_args.data(), mb_args.size());
}
} // namespace internal
} // namespace godot
#endif // GODOT_ENGINE_PTRCALL_HPP