// Removes the first Fiber from the given list.
private Fiber RemoveFirst(ref YieldList ioList)
{
int fiberIndex = ioList.Head;
if (fiberIndex == -1)
{
return(null);
}
int nextIndex = m_Entries[fiberIndex].YieldNext;
int prevIndex = m_Entries[fiberIndex].YieldPrev;
// If the table only has one entry,
// just remove it and set the table to empty.
if (nextIndex == -1)
{
m_Entries[fiberIndex].YieldPrev = -1;
ioList.Head = -1;
--ioList.Count;
return(m_Entries[fiberIndex].Fiber);
}
// Point the next entry at the last entry
m_Entries[nextIndex].YieldPrev = prevIndex;
// Clear pointers in the current entry
m_Entries[fiberIndex].YieldNext = -1;
m_Entries[fiberIndex].YieldPrev = -1;
// Point to the next entry as the first.
ioList.Head = nextIndex;
--ioList.Count;
return(m_Entries[fiberIndex].Fiber);
}
// Removes an entry from the Fiber list.
private void RemoveEntry(Fiber inFiber, ref YieldList ioList)
{
int fiberIndex = (int)inFiber.Index;
int nextIndex = m_Entries[fiberIndex].YieldNext;
int prevIndex = m_Entries[fiberIndex].YieldPrev;
// If the list is already empty, we can't do anything about it
if (ioList.Head == -1)
{
return;
}
// Ensure the next entry is pointing back to our previous index.
m_Entries[nextIndex == -1 ? ioList.Head : nextIndex].YieldPrev = prevIndex;
// If we're the first entry, the first entry is now our last
if (fiberIndex == ioList.Head)
{
ioList.Head = nextIndex;
}
else
{
// Previous entry should point back to our next entry
m_Entries[prevIndex].YieldNext = nextIndex;
}
m_Entries[fiberIndex].YieldNext = -1;
m_Entries[fiberIndex].YieldPrev = -1;
--ioList.Count;
}
// Adds the Fiber to the end of the given list
private void AddLast(Fiber inFiber, ref YieldList ioList)
{
int fiberIndex = (int)inFiber.Index;
// If there are no free fibers currently,
// we can just add this as the first and only entry.
if (ioList.Head == -1)
{
ioList.Head = fiberIndex;
m_Entries[fiberIndex].YieldNext = -1;
m_Entries[fiberIndex].YieldPrev = fiberIndex;
}
else
{
Entry firstEntry = m_Entries[ioList.Head];
// Point the old last entry to this one
m_Entries[firstEntry.YieldPrev].YieldNext = fiberIndex;
// Point the new last entry at the previous one
m_Entries[fiberIndex].YieldPrev = firstEntry.YieldPrev;
// Point the new last entry at nothing
m_Entries[fiberIndex].YieldNext = -1;
// Point the first entry at this one
m_Entries[ioList.Head].YieldPrev = fiberIndex;
}
++ioList.Count;
}
// Adds the Fiber to the start of the given list
private void AddFirst(Fiber inFiber, ref YieldList ioList)
{
int fiberIndex = (int)inFiber.Index;
// If there are no free fibers currently,
// we can just add this as the first and only entry.
if (ioList.Head == -1)
{
ioList.Head = fiberIndex;
m_Entries[fiberIndex].YieldNext = -1;
m_Entries[fiberIndex].YieldPrev = fiberIndex;
}
else
{
Entry firstEntry = m_Entries[ioList.Head];
// Point back at the current last entry
m_Entries[fiberIndex].YieldPrev = firstEntry.YieldPrev;
// Point at the old first free entry
m_Entries[fiberIndex].YieldNext = ioList.Head;
// Point the old first entry at the new first entry
m_Entries[ioList.Head].YieldPrev = fiberIndex;
ioList.Head = fiberIndex;
}
++ioList.Count;
}
public void Start(YieldPhase inYield, ref YieldList inList)
{
Phase = (RoutinePhase)(-1);
Yield = inYield;
Next = inList.Head;
Counter = inList.Count;
}
public void TestYieldList()
{
YieldList <int> yieldList = new YieldList <int>();
yieldList.Add(1);
yieldList.Add(2);
yieldList.Add(3);
yieldList.Add(4);
foreach (var item in yieldList)
{
Console.WriteLine(item);
}
foreach (var item in yieldList)
{
Console.WriteLine(item);
}
}
private void RunYieldUpdate(YieldPhase inUpdate, ref YieldList ioList)
{
if (ioList.Dirty)
{
SortYieldList(ref ioList);
ioList.Dirty = false;
}
m_MainUpdate.Start(inUpdate, ref ioList);
ioList.Updating = true;
{
while (m_MainUpdate.Next != -1 && m_MainUpdate.Counter-- > 0)
{
Entry e = m_Entries[m_MainUpdate.Next];
m_MainUpdate.Next = e.YieldNext;
e.Fiber.Update(inUpdate);
}
}
ioList.Updating = false;
m_MainUpdate.Clear();
}
private void SortYieldList(ref YieldList ioList)
{
MergeSort_YieldList(ref ioList.Head);
}
