public IEnumerable <T> ObjectsFromCoords(Coord[] coords)
{
int counter = 0;
foreach (Coord c in Coord.MultiDistanceArea(coords, 20000)) //to infinity
{
int hash = c.ToInt();
if (grid.ContainsKey(hash))
{
yield return(grid[hash]);
counter++;
}
if (counter >= grid.Count)
{
break;
}
}
}
public virtual void Deploy(CoordRect[] rects, Coord[] centers, bool allowMove = true)
{
Dictionary <int, T> newGrid = new Dictionary <int, T>();
//adding nailed objs
foreach (int hash in nailedHashes)
{
if (!grid.ContainsKey(hash))
{
Debug.Log("Could not find nailed object");
}
T obj = grid[hash];
if (obj != null)
{
newGrid.Add(hash, obj);
}
grid.Remove(hash);
}
//adding objects within rect
for (int r = 0; r < centers.Length; r++)
{
CoordRect rect = rects[r];
Coord min = rect.Min; Coord max = rect.Max;
for (int x = min.x; x < max.x; x++)
{
for (int z = min.z; z < max.z; z++)
{
Coord coord = new Coord(x, z);
int hash = coord.ToInt();
if (grid.ContainsKey(hash))
{
T obj = grid[hash];
if (obj != null)
{
newGrid.Add(hash, obj);
}
grid.Remove(hash);
}
}
}
}
//creating an unused stack - sorted by distance
Stack <T> unused = new Stack <T>();
Stack <int> unusedHashes = new Stack <int>();
if (grid.Count != 0)
{
foreach (Coord c in Coord.MultiDistanceArea(centers, 20000000))
{
int hash = c.ToInt();
if (grid.ContainsKey(hash))
{
if (grid[hash] != null)
{
unused.Push(grid[hash]); unusedHashes.Push(hash);
}
grid.Remove(hash);
if (grid.Count == 0)
{
break;
}
}
}
}
//filling empty areas with unused (or new) objects
for (int r = 0; r < centers.Length; r++)
{
CoordRect rect = rects[r];
Coord center = centers[r];
foreach (Coord c in center.DistanceArea(rect))
{
int hash = c.ToInt();
if (newGrid.ContainsKey(hash))
{
continue;
}
T obj = null;
if (unused.Count != 0 && allowMove)
{
obj = unused.Pop(); unusedHashes.Pop(); //popping the furtherest unused
OnMove(obj, c);
}
else
{
obj = Construct();
OnCreate(obj, c);
}
newGrid.Add(hash, obj);
}
}
//adding other unused to trail or removing them
while (unused.Count > 0)
{
T obj = unused.Pop();
int hash = unusedHashes.Pop();
//if (!allowMove) OnRemove(obj);
//else
newGrid.Add(hash, obj);
}
//removing all other objs left
//foreach(KeyValuePair<int,T> kvp in grid) OnRemove(kvp.Value);
grid = newGrid;
}