private HashSet <PartPlacement> GetPartNeighbors(PartPlacement part)
{
var neighbors = new HashSet <PartPlacement>();
// Throw this trash away in the morning. Instead do this:
// 1. Collect all neighbors (tiles bordering part, respecting width and height; 8, 10, or 12)
// 2. Get the part in that tile, if there is one
// 3. If there's a part there, add it to the hashmap
for (int y = (int)part.y - 1; y <= part.y + part.part.height; y++)
{
for (int x = (int)part.x - 1; x <= part.x + part.part.width; x++)
{
if (x >= 0 && x < grid.GetLength(0) && y >= 0 && y < grid.GetLength(1))
{
var neighbor = GetPartAt(x, y);
if (neighbor != part && neighbor != null)
{
neighbors.Add(neighbor);
}
}
}
}
return(neighbors);
}
public bool PlacePart(CarPart part, uint x, uint y)
{
if (PlacementIsValid(part, x, y))
{
if (part.partName != "Wrench")
{
// Add a part with coordinates to the list of parts
var placement = new PartPlacement(part, x, y);
parts.Add(placement);
var sprite = Instantiate(part.sprite);
sprite.transform.SetParent(this.partPlacementContainer.transform, false);
placement.sprite = sprite;
var rect = tileGrid[0, 0].GetComponent <RectTransform>().rect;
var size = rect.height;
// Correct for position
sprite.transform.position += new Vector3(
size * x,
size * (gridSize - 1 - y),
0
);
// Correct for tile size
sprite.transform.position -= new Vector3(
(part.width - 1) * (size / 2) * -1,
(part.height - 1) * (size / 2),
0
);
// Update the grid so parts can't be placed on top of each other
for (var yCell = 0; yCell < part.height; yCell++)
{
for (var xCell = 0; xCell < part.width; xCell++)
{
grid[xCell + x, yCell + y] = true;
}
}
}
else
{
// Remove the part at the coordinates
var partToRemove = GetPartAt((int)x, (int)y);
if (partToRemove != null)
{
parts.Remove(partToRemove);
Destroy(partToRemove.sprite);
// Update the grid so parts can be placed here again
for (var yCell = 0; yCell < partToRemove.part.height; yCell++)
{
for (var xCell = 0; xCell < partToRemove.part.width; xCell++)
{
grid[xCell + partToRemove.x, yCell + partToRemove.y] = false;
}
}
}
}
return(true);
}
return(false);
}