public KeyMap AddKey(double frame, double warpFrame)
{
KeyMap map = new KeyMap(frame, warpFrame);
if (mKeys.Count == 0)
{
mKeys.Add(map);
}
else
{
KeyMap after = GetMapAfter(warpFrame);
if (warpFrame < after.WarpKey)
{
mKeys.Insert(after.Index, map);
}
else
{
mKeys.Insert(after.Index + 1, map);
}
}
SetIndices();
return(map);
}
public double GetWarped(double key)
{
KeyMap before = GetMapBefore(key);
if (before.WarpKey == key)
{
return(before.RealKey);
}
KeyMap after = GetMapAfter(key);
if (after.WarpKey == key)
{
return(after.RealKey);
}
if (before == after) //Out of bounds
{
if (after.Index == (int)(mKeys.Count - 1))
{
return(before.RealKey + 1);
}
return(before.RealKey);
}
return(Blend(before.RealKey, after.RealKey, (key - before.WarpKey) / (after.WarpKey - before.WarpKey)));
}
public void MoveKey(double frame, double warpFrame)
{
KeyMap after = GetClosest(frame);
after.WarpKey = warpFrame;
mKeys.Sort();
SetIndices();
}
public void RemoveKey(double warpFrame)
{
if (mKeys.Count > 2)
{
KeyMap after = GetClosest(warpFrame);
mKeys.Remove(after);
}
SetIndices();
}
private KeyMap GetMapBefore(double key)
{
KeyMap mapBefore = mKeys[0];
foreach (KeyMap map in mKeys)
{
if (map.WarpKey > key)
{
return(mapBefore);
}
mapBefore = map;
}
return(mapBefore);
}
public KeyMap GetClosest(double key)
{
KeyMap before = GetMapBefore(key);
if (before.WarpKey == key)
{
return(before);
}
KeyMap after = GetMapAfter(key);
if (after.WarpKey == key)
{
return(after);
}
if (key - before.WarpKey < after.WarpKey - key)
{
return(before);
}
return(after);
}