#pragma once

#include "XNCore_global.h"
#include <memory>

namespace XNSim {
template <typename T>
using XN_ENABLE_SHARED_FROM_THIS = std::enable_shared_from_this<T>;

// 静态指针类型转换辅助函数
template <class ToType, class FromType>
FORCEINLINE ToType XNStaticCastHelper(const FromType &from) {
  return std::static_pointer_cast<typename ToType::element_type>(from);
}

// 动态指针类型转换辅助函数
template <class ToType, class FromType>
FORCEINLINE ToType XNCastHelper(const FromType &from) {
  return std::dynamic_pointer_cast<typename ToType::element_type>(from);
}

} // namespace XNSim

// 静态类型转换宏
#define XN_CAST(from, to) XNStaticCastHelper<to>(from)

// 获取当前对象的智能指针
#define XN_THISPTR std::static_pointer_cast<ThisType>(shared_from_this())

// 类智能指针声明宏
#define XNCLASS_PTR_DECLARE(a)                                                 \
  using a##Ptr = std::shared_ptr<class a>;                                     \
  using a##WPtr = std::weak_ptr<class a>;                                      \
  using a##UPtr = std::unique_ptr<class a>;                                    \
  using a##ConsPtr = std::shared_ptr<const class a>;

// 结构体智能指针声明宏
#define XNSTRUCT_PTR_DECLARE(a)                                                \
  using a##Ptr = std::shared_ptr<struct a>;                                    \
  using a##WPtr = std::weak_ptr<struct a>;                                     \
  using a##UPtr = std::unique_ptr<struct a>;                                   \
  using a##ConsPtr = std::shared_ptr<const struct a>;