/// <summary>
/// Add an element in the grid, we assume the positions are in the grid
/// </summary>
public void Add(int x, int y, IGridElement element)
{
if (_grid[x, y] != null)
{
throw new ArgumentException($"Can't add an element to grid at ({x};{y}), position is not empty");
}
_grid[x, y] = element;
}
public void RemoveElement(IGridElement element)
{
foreach (var pos in element.gridPositions)
{
elements[pos.x, pos.y] = null;
}
element.gridPositions = null;
}
public bool AddElementPositionOwnership(IGridElement element, int x, int y)
{
if (elements[x, y] != null)
{
Debug.LogWarning("the position already has an owner");
return(false);
}
elements[x, y] = element;
element.gridPositions.Add(new Vector2Int(x, y));
return(true);
}
public void AddElement(IGridElement element, int x, int y)
{
if (elements[x, y] != null)
{
Debug.LogWarning("The position " + x + ", " + y + " is already taken");
return;
}
elements[x, y] = element;
element.gridPositions = new List <Vector2Int>();
element.gridPositions.Add(new Vector2Int(x, y));
}
public void ClearAllAdditionalElementPositions(IGridElement element)
{
if (element.gridPositions == null)
{
return;
}
var posCount = element.gridPositions.Count;
for (int i = 1; i < posCount; i++) //start at one to skip the element position
{
var(x, y) = (element.gridPositions[i].x, element.gridPositions[i].y);
elements[x, y] = null;
}
element.gridPositions.RemoveRange(1, posCount - 1);
}
public bool RemoveElementPositionOwnership(IGridElement element, int x, int y)
{
if (elements[x, y] != element)
{
Debug.LogWarning("the element has not the ownership of this position");
return(false);
}
elements[x, y] = null;
var index = element.gridPositions.FindIndex(p => p.x == x && p.y == y);
if (index != -1)
{
element.gridPositions.RemoveAt(index);
}
return(true);
}
public void AddToGrid(int x, int y, IGridElement element) => _grid.Add(x, y, element);
