129 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include <kiwano/utils/Ticker.h>
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namespace kiwano
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{
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TickerPtr Ticker::Create(Duration interval, int times)
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{
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    TickerPtr ptr = memory::New<Ticker>();
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    if (ptr)
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    {
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        ptr->SetInterval(interval);
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        ptr->SetTotalTickCount(times);
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    }
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    return ptr;
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}
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Ticker::Ticker()
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    : ticked_count_(0)
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    , total_tick_count_(0)
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    , is_paused_(false)
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{
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}
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bool Ticker::Tick()
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{
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    if (is_paused_)
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        return false;
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    if (!timer_)
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        timer_ = Timer::Create();
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    if (timer_->IsPausing())
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        return false;
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    timer_->Tick();
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    return this->Tick(timer_->GetDeltaTime());
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}
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bool Ticker::Tick(Duration dt)
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{
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    if (is_paused_)
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        return false;
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    if (ticked_count_ == total_tick_count_)
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        return false;
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    if (interval_.IsZero())
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    {
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        delta_time_ = dt;
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        ++ticked_count_;
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        return true;
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    }
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    elapsed_time_ += dt;
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    if (elapsed_time_ + error_time_ >= interval_)
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    {
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        delta_time_   = elapsed_time_;
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        error_time_   = (elapsed_time_ + error_time_) - interval_;
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        elapsed_time_ = 0;
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        ++ticked_count_;
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        return true;
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    }
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    return false;
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}
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void Ticker::Pause()
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{
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    is_paused_ = true;
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    if (timer_)
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        timer_->Pause();
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}
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void Ticker::Resume()
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{
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    is_paused_ = false;
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    if (timer_)
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        timer_->Resume();
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}
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Duration Ticker::GetDeltaTime()
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{
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    return delta_time_;
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}
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TimerPtr Ticker::GetTimer()
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{
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    return timer_;
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}
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void Ticker::SetTimer(TimerPtr timer)
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{
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    timer_ = timer;
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}
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void Ticker::Reset()
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{
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    if (timer_)
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        timer_->Reset();
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    elapsed_time_ = 0;
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    delta_time_   = 0;
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    error_time_   = 0;
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    ticked_count_ = 0;
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}
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}  // namespace kiwano
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