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#ifndef NW4R_SND_MOVE_VALUE_H
#define NW4R_SND_MOVE_VALUE_H
/*******************************************************************************
* classes and functions
*/
namespace nw4r { namespace snd { namespace detail
{
// [R89JEL]:/bin/RVL/Debug/mainD.elf:.debug::0x27b93, 0x28fef...
template <typename TValue, typename TTime>
class MoveValue
{
// methods
public:
// cdtors
MoveValue() :
mOrigin (TValue()),
mTarget (TValue()),
mFrame (TTime ()),
mCounter (TTime ())
{
}
// methods
TValue GetValue() const
{
if (IsFinished())
return mTarget;
return mOrigin + mCounter * (mTarget - mOrigin) / mFrame;
}
void SetTarget(TValue targetValue, TTime frames)
{
mOrigin = GetValue();
mTarget = targetValue;
mFrame = frames;
mCounter = TTime();
}
bool IsFinished() const { return mCounter >= mFrame; }
TTime GetRemainingTime() const {
return IsFinished() ? 0 : mFrame - mCounter;
}
void InitValue(TValue value)
{
mOrigin = value;
mTarget = value;
mFrame = TTime();
mCounter = TTime();
}
void Update()
{
if (mCounter < mFrame)
mCounter++;
}
// members
private:
TValue mOrigin; // size TValue, offset 0x00
TValue mTarget; // size TValue, offset TValue
TTime mFrame; // size TTime, offset TValue * 2
TTime mCounter; // size TTine, offset TValue * 2 + TTime
}; // size TValue * 2 + TTime * 2
}}} // namespace nw4r::snd::detail
#endif // NW4R_SND_MOVE_VALUE_H
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