76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
/*
|
|
This file is part of the Tweeny library.
|
|
|
|
Copyright (c) 2016-2021 Leonardo Guilherme Lucena de Freitas
|
|
Copyright (c) 2016 Guilherme R. Costa
|
|
|
|
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.
|
|
*/
|
|
|
|
/*
|
|
* This file provides useful typedefs and traits for a tween.
|
|
*/
|
|
|
|
#ifndef TWEENY_TWEENTRAITS_H
|
|
#define TWEENY_TWEENTRAITS_H
|
|
|
|
#include <tuple>
|
|
#include <functional>
|
|
#include <type_traits>
|
|
|
|
namespace tweeny {
|
|
template<typename T, typename... Ts> class tween;
|
|
|
|
namespace detail {
|
|
|
|
template<typename... Ts> struct equal {};
|
|
template<typename T> struct equal<T> { enum { value = true }; };
|
|
template <typename T, typename U, typename... Ts> struct equal<T, U, Ts...> {
|
|
enum { value = std::is_same<T, U>::value && equal<T, Ts...>::value && equal<U, Ts...>::value };
|
|
};
|
|
|
|
template<typename T, typename...> struct first { typedef T type; };
|
|
|
|
template<bool equal, typename... Ts>
|
|
struct valuetype { };
|
|
|
|
template<typename... Ts>
|
|
struct valuetype<false, Ts...> {
|
|
typedef std::tuple<Ts...> type;
|
|
};
|
|
|
|
template<typename... Ts>
|
|
struct valuetype<true, Ts...> {
|
|
typedef std::array<typename first<Ts...>::type, sizeof...(Ts)> type;
|
|
};
|
|
|
|
template<typename... Ts>
|
|
struct tweentraits {
|
|
typedef std::tuple<std::function<Ts(float, Ts, Ts)>...> easingCollection;
|
|
typedef std::function<bool(tween<Ts...> &, Ts...)> callbackType;
|
|
typedef std::function<bool(tween<Ts...> &)> noValuesCallbackType;
|
|
typedef std::function<bool(Ts...)> noTweenCallbackType;
|
|
typedef typename valuetype<equal<Ts...>::value, Ts...>::type valuesType;
|
|
typedef std::array<uint16_t, sizeof...(Ts)> durationsArrayType;
|
|
typedef tween<Ts...> type;
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif //TWEENY_TWEENTRAITS_H
|