public static void rebuildMap()
{
Vector2I corner = _world.loadedPosition;
Vector3 worldCorner = new Vector3(corner.x * Chunk.tileDimension, corner.y * Chunk.tileDimension, 0);
// Recall the active colliders
for (int i = 0; i < _activeBoxes.Count; i++)
{
_pool.store(_activeBoxes[i]);
_activeBoxes[i].transform.position = new Vector3(0, -100);
}
_activeBoxes.Clear();
int dimension = _map.GetLength(0);
bool[,] searched = new bool[dimension, dimension];
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++) // Find a starting point
{
if (!searched[i, j]) // Not already searched?
{
if (_map[i, j]) // Solid tile?
{
Vector2I start = new Vector2I(i, j);
int width = 0;
for (int k = i; k < dimension; k++) // Check how wide the box will be
{
if (_map[k, j] && !searched[k, j]) // Is the tile valid for the box?
{
searched[k, j] = true;
width++;
}
else // Non-valid tile, stop extending width
{
break;
}
}
int height = 1;
bool flag = false;
for (int k = j + 1; k < dimension; k++) // Search every row above until a non-complete row is found
{
for (int l = i; l < width + i; l++) // Search the row
{
if (!_map[l, k] || searched[l, k]) // Have an invalid tile for the row
{
flag = true;
break;
}
}
if (flag)
{
break;
}
height++;
for (int m = i; m < width + i; m++) // The row is full, flag its tiles as searched
{
searched[m, k] = true;
}
}
// Create the specified box
Vector3 pos = new Vector3(width / 2.0f, height / 2.0f, 1f) + new Vector3(i, j) + new Vector3(-0.5f, -0.5f);
BoxCollider2D collider = _pool.get();
_activeBoxes.Add(collider);
collider.transform.localScale = new Vector3(width, height, 0);
collider.transform.position = pos + worldCorner;
}
else // Non-solid, flag as searched
{
searched[i, j] = true;
}
}
}
}
}