Magic_Game/src/kiwano/core/Timer.cpp

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// 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.

#include <kiwano/core/Timer.h>

namespace kiwano
{

	Timer::Timer()
		: running_(true)
		, removeable_(false)
		, run_times_(0)
		, total_times_(0)
		, interval_(0)
		, elapsed_(0)
		, callback_()
	{
	}

	Timer::Timer(Callback const& cb, Duration interval, int times)
		: Timer(String(), cb, interval, times)
	{
	}

	Timer::Timer(String const& name, Callback const& cb, Duration interval, int times)
		: Timer()
	{
		SetName(name);
		SetCallback(cb);
		SetInterval(interval);
		SetTotalRunTimes(times);
	}

	void Timer::Update(Duration dt)
	{
		if (total_times_ == 0)
		{
			Remove();
			return;
		}

		if (IsRunning())
		{
			if (!interval_.IsZero())
			{
				elapsed_ += dt;
				if (elapsed_ < interval_)
					return;
			}

			if (callback_)
				callback_(this, elapsed_);

			++run_times_;
			elapsed_ = 0;

			if (run_times_ == total_times_)
				Remove();
		}
	}

	void Timer::Reset()
	{
		elapsed_ = 0;
		run_times_ = 0;
	}

}