internal bool TryGetCell(ref Int2 cellIndex, out GridCell2D cell)
{
int index;
int sortingHash;
if (TryGetIndex(ref cellIndex, out index, out sortingHash))
{
cell = cells.Elements[index];
return(true);
}
cell = null;
return(false);
}
internal void Add(ref Int2 index, Grid2DEntry entry)
{
int cellIndex;
int sortingHash;
if (TryGetIndex(ref index, out cellIndex, out sortingHash))
{
cells.Elements[cellIndex].Add(entry);
return;
}
GridCell2D cell = cellPool.Take();
cell.Initialize(ref index, sortingHash);
cell.Add(entry);
cells.Insert(cellIndex, cell);
count++;
}
internal void Remove(ref Int2 index, Grid2DEntry entry)
{
int cellIndex;
int sortingHash;
if (TryGetIndex(ref index, out cellIndex, out sortingHash))
{
cells.Elements[cellIndex].Remove(entry);
if (cells.Elements[cellIndex].entries.Count == 0)
{
//The cell is now empty. Give it back to the pool.
GridCell2D toRemove = cells.Elements[cellIndex];
//There's no cleanup to do on the grid cell.
//Its list is empty, and the rest is just value types.
cells.RemoveAt(cellIndex);
cellPool.GiveBack(toRemove);
count--;
}
}
}