51 lines
756 B
C++
51 lines
756 B
C++
#ifndef _MIDITIME_HPP_
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#define _MIDITIME_HPP_
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#include <common/windows.hpp>
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class MidiDeltaTime
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{
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public:
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MidiDeltaTime(void);
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~MidiDeltaTime();
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void resetTime(void);
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DWORD deltaTime(void)const;
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MidiDeltaTime &operator+=(DWORD musDeltaTime);
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private:
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DWORD mDeltaTime;
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DWORD mPrevDeltaTime;
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};
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inline
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MidiDeltaTime::MidiDeltaTime(void)
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{
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resetTime();
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}
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inline
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MidiDeltaTime::~MidiDeltaTime()
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{
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}
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inline
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DWORD MidiDeltaTime::deltaTime(void)const
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{
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return mDeltaTime;
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}
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inline
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MidiDeltaTime &MidiDeltaTime::operator+=(DWORD musDeltaTime)
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{
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musDeltaTime/=.6;
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mDeltaTime=(musDeltaTime-mPrevDeltaTime);
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mPrevDeltaTime+=mDeltaTime;
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return *this;
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}
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inline
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void MidiDeltaTime::resetTime(void)
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{
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mDeltaTime=0L;
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mPrevDeltaTime=0L;
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}
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#endif
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