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/* Copyright (c) 2016, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#pragma once
#include "export.hpp"
#include <atomic>
#undef DIRECTINPUT_VERSION
#define DIRECTINPUT_VERSION 0x800
#include <dinput.h>
using diptr = IDirectInput8A*;
class OTR_DINPUT_EXPORT di_t final
{
static void unref_di();
static void ref_di();
static diptr handle;
static std::atomic<int> refcnt;
static std::atomic_flag init_lock;
static diptr init_di_();
public:
di_t();
~di_t();
di_t(const di_t&) : di_t() {}
di_t& operator=(const di_t&) = default;
diptr operator->() const { return handle; }
operator bool() { return handle != nullptr; }
// for debugging bad usages. must use a dependent name.
template<typename t = void>
explicit operator void*() const
{
static_assert(sizeof(t) == -1);
static_assert(sizeof(t) == 0);
return nullptr;
}
};
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