/// <summary>
/// Validates and handles break drag changes.
/// </summary>
/// <param name="dragBreakEnd">Determines whether breakEnd or breakStart is being dragged.</param>
/// <param name="newTime">The new time to apply to the current break end (or start)</param>
/// <returns>Whether break has been changed or removed.</returns>
internal bool UpdateBreakDrag(EventBreak b, bool dragBreakEnd, int newTime)
{
if (!BreakDirty || b == null)
{
return(false);
}
int actualStart, actualEnd;
BreakDirty = false;
if (dragBreakEnd)
{
int newEnd = newTime;
int oldEnd = b.EndTime;
if (newEnd == oldEnd)
{
return(false);
}
if (newEnd < oldEnd) //Break is being dragged to the left
{
if (FindActualEnds(b, out actualStart, out actualEnd))
{
int preEmptStart = actualStart + EventBreak.PREEMPT_START;
newEnd = Math.Max(newEnd, preEmptStart + EventBreak.PREFERRED_BREAK_LENGTH);
//Value exceeds allowed custom break distance.
if (newEnd < MaxBreakDragDistance)
{
return(false);
}
b.SetEndTime(newEnd);
}
else //This should never happen
{
RemoveBreak(b);
return(true);
}
}
else
{
//We cannot drag past the preempt point
if (!b.CustomEnd)
{
return(false);
}
if (FindActualEnds(b, out actualStart, out actualEnd))
{
int preEmptEnd = actualEnd - hitObjectManager.PreEmpt;
newEnd = Math.Min(newEnd, preEmptEnd);
b.SetEndTime(newEnd);
}
else //This should never happen
{
RemoveBreak(b);
return(true);
}
}
}
else
{
int oldStart = b.StartTime;
int newStart = newTime;
if (newStart == oldStart)
{
return(false);
}
if (newStart < oldStart)
{
//We cannot drag past the preempt point
if (!b.CustomStart)
{
return(false);
}
if (FindActualEnds(b, out actualStart, out actualEnd))
{
int preEmptStart = actualStart + EventBreak.PREEMPT_START;
newStart = Math.Max(newStart, preEmptStart);
b.SetStartTime(newStart);
}
else //This should never happen
{
RemoveBreak(b);
return(true);
}
}
else
{
if (FindActualEnds(b, out actualStart, out actualEnd))
{
int preEmptEnd = actualEnd - hitObjectManager.PreEmpt;
newStart = Math.Min(newStart, preEmptEnd - EventBreak.PREFERRED_BREAK_LENGTH);
//Value exceeds allowed custom break distance.
if (newStart > MaxBreakDragDistance)
{
return(false);
}
b.SetStartTime(newStart);
}
else //This should never happen
{
RemoveBreak(b);
return(true);
}
}
}
b.Update(!dragBreakEnd, true, true, false);
return(true);
}
