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namespace UnityEngine.Timeline
{
struct DiscreteTime : IComparable
{
const double k_Tick = 1e-12;
public static readonly DiscreteTime kMaxTime = new DiscreteTime(Int64.MaxValue);
readonly Int64 m_DiscreteTime;
public static double tickValue { get { return k_Tick; } }
public DiscreteTime(DiscreteTime time)
{
m_DiscreteTime = time.m_DiscreteTime;
}
DiscreteTime(Int64 time)
{
m_DiscreteTime = time;
}
public DiscreteTime(double time)
{
m_DiscreteTime = DoubleToDiscreteTime(time);
}
public DiscreteTime(float time)
{
m_DiscreteTime = FloatToDiscreteTime(time);
}
public DiscreteTime(int time)
{
m_DiscreteTime = IntToDiscreteTime(time);
}
public DiscreteTime(int frame, double fps)
{
m_DiscreteTime = DoubleToDiscreteTime(frame * fps);
}
public DiscreteTime OneTickBefore()
{
return new DiscreteTime(m_DiscreteTime - 1);
}
public DiscreteTime OneTickAfter()
{
return new DiscreteTime(m_DiscreteTime + 1);
}
public Int64 GetTick()
{
return m_DiscreteTime;
}
public static DiscreteTime FromTicks(Int64 ticks)
{
return new DiscreteTime(ticks);
}
public int CompareTo(object obj)
{
if (obj is DiscreteTime)
return m_DiscreteTime.CompareTo(((DiscreteTime)obj).m_DiscreteTime);
return 1;
}
public bool Equals(DiscreteTime other)
{
return m_DiscreteTime == other.m_DiscreteTime;
}
public override bool Equals(object obj)
{
if (obj is DiscreteTime)
return Equals((DiscreteTime)obj);
return false;
}
static Int64 DoubleToDiscreteTime(double time)
{
double number = (time / k_Tick) + 0.5;
if (number < Int64.MaxValue && number > Int64.MinValue)
return (Int64)number;
throw new ArgumentOutOfRangeException("Time is over the discrete range.");
}
static Int64 FloatToDiscreteTime(float time)
{
float number = (time / (float)k_Tick) + 0.5f;
if (number < Int64.MaxValue && number > Int64.MinValue)
return (Int64)number;
throw new ArgumentOutOfRangeException("Time is over the discrete range.");
}
static Int64 IntToDiscreteTime(int time)
{
return DoubleToDiscreteTime(time);
}
static double ToDouble(Int64 time)
{
return time * k_Tick;
}
static float ToFloat(Int64 time)
{
return (float)ToDouble(time);
}
public static explicit operator double(DiscreteTime b)
{
return ToDouble(b.m_DiscreteTime);
}
public static explicit operator float(DiscreteTime b)
{
return ToFloat(b.m_DiscreteTime);
}
public static explicit operator Int64(DiscreteTime b)
{
return b.m_DiscreteTime;
}
public static explicit operator DiscreteTime(double time)
{
return new DiscreteTime(time);
}
public static explicit operator DiscreteTime(float time)
{
return new DiscreteTime(time);
}
public static implicit operator DiscreteTime(Int32 time)
{
return new DiscreteTime(time);
}
public static explicit operator DiscreteTime(Int64 time)
{
return new DiscreteTime(time);
}
public static bool operator ==(DiscreteTime lhs, DiscreteTime rhs)
{
return lhs.m_DiscreteTime == rhs.m_DiscreteTime;
}
public static bool operator !=(DiscreteTime lhs, DiscreteTime rhs)
{
return !(lhs == rhs);
}
public static bool operator >(DiscreteTime lhs, DiscreteTime rhs)
{
return lhs.m_DiscreteTime > rhs.m_DiscreteTime;
}
public static bool operator <(DiscreteTime lhs, DiscreteTime rhs)
{
return lhs.m_DiscreteTime < rhs.m_DiscreteTime;
}
public static bool operator <=(DiscreteTime lhs, DiscreteTime rhs)
{
return lhs.m_DiscreteTime <= rhs.m_DiscreteTime;
}
public static bool operator >=(DiscreteTime lhs, DiscreteTime rhs)
{
return lhs.m_DiscreteTime >= rhs.m_DiscreteTime;
}
public static DiscreteTime operator +(DiscreteTime lhs, DiscreteTime rhs)
{
return new DiscreteTime(lhs.m_DiscreteTime + rhs.m_DiscreteTime);
}
public static DiscreteTime operator -(DiscreteTime lhs, DiscreteTime rhs)
{
return new DiscreteTime(lhs.m_DiscreteTime - rhs.m_DiscreteTime);
}
public override string ToString()
{
return m_DiscreteTime.ToString();
}
public override int GetHashCode()
{
return m_DiscreteTime.GetHashCode();
}
public static DiscreteTime Min(DiscreteTime lhs, DiscreteTime rhs)
{
return new DiscreteTime(Math.Min(lhs.m_DiscreteTime, rhs.m_DiscreteTime));
}
public static DiscreteTime Max(DiscreteTime lhs, DiscreteTime rhs)
{
return new DiscreteTime(Math.Max(lhs.m_DiscreteTime, rhs.m_DiscreteTime));
}
public static double SnapToNearestTick(double time)
{
Int64 discreteTime = DoubleToDiscreteTime(time);
return ToDouble(discreteTime);
}
public static float SnapToNearestTick(float time)
{
Int64 discreteTime = FloatToDiscreteTime(time);
return ToFloat(discreteTime);
}
public static Int64 GetNearestTick(double time)
{
return DoubleToDiscreteTime(time);
}
}
}
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