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85 lines
1.4 KiB
C++
85 lines
1.4 KiB
C++
/*
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* LoadProgress.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "LoadProgress.h"
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using namespace Load;
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Progress::Progress(): _progress(std::numeric_limits<Type>::min())
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{
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setupSteps(100);
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}
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Type Progress::get() const
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{
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if(_step >= _maxSteps)
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return _target;
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if(!_maxSteps)
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return _progress;
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return static_cast<int>(_progress) + _step * static_cast<int>(_target - _progress) / _maxSteps;
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}
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void Progress::set(Type p)
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{
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_progress = p;
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}
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bool Progress::finished() const
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{
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return get() == std::numeric_limits<Type>::max();
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}
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void Progress::reset(int s)
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{
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_progress = std::numeric_limits<Type>::min();
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setupSteps(s);
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}
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void Progress::finish()
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{
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_progress = _target = std::numeric_limits<Type>::max();
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_step = std::numeric_limits<Type>::min();
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_maxSteps = std::numeric_limits<Type>::min();
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}
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void Progress::setupSteps(int s)
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{
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setupStepsTill(s, std::numeric_limits<Type>::max());
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}
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void Progress::setupStepsTill(int s, Type p)
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{
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if(finished())
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return;
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if(_step > std::numeric_limits<Type>::min())
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_progress = get();
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_step = std::numeric_limits<Type>::min();
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_maxSteps = s;
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_target = p;
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}
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void Progress::step(int count)
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{
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if(_step + count > _maxSteps)
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{
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_step = _maxSteps.load();
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}
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else
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{
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_step += count;
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}
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}
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