private static void UpdateTileCollision(NavTilemap navMap, Tilemap[] tilemaps)
{
foreach (Tilemap tilemap in tilemaps)
{
var hasCollision = HasTileCollision(tilemap);
for (int x = tilemap.cellBounds.xMin; x < tilemap.cellBounds.xMax; x++)
{
for (int y = tilemap.cellBounds.yMin; y < tilemap.cellBounds.yMax; y++)
{
var tile = tilemap.GetTile(new Vector3Int(x, y, 0));
if (tile != null)
{
var navTile = navMap.GetTile(x, y);
navTile.exists = true;
if (hasCollision)
{
navTile.solid = true;
}
}
}
}
}
}
private static void ConnectNeighboringWaypoints(NavTilemap navMap, int x, int y)
{
var currTile = navMap.GetTile(x, y);
if (currTile.waypoint == null)
{
return;
}
for (int dx = -1; dx <= 1; dx++)
{
for (int dy = -1; dy <= 1; dy++)
{
if (dx == dy && dx == 0)
{
continue;
}
var shouldConnect = false;
var tile = navMap.GetTile(x + dx, y + dy);
if (tile != null && tile.waypoint != null)
{
var isDiagonal = dx != 0 && dy != 0;
if (isDiagonal)
{
var leftTile = navMap.GetTile(x + dx, y);
var rightTile = navMap.GetTile(x, y + dy);
shouldConnect = (leftTile == null || !leftTile.solid) && (rightTile == null || !rightTile.solid);
}
else
{
shouldConnect = true;
}
}
if (shouldConnect)
{
currTile.waypoint.neighbors.Add(tile.waypoint.gameObject);
}
}
}
}
//TODO move this to NavTilemap?
private static void BuildWaypoints(Grid grid, NavTilemap navMap)
{
var waypointPrefab = Resources.Load <GameObject>("Prefabs/ScenePrefabs/Waypoint");
GameObject waypoints = new GameObject("Waypoints");
waypoints.AddComponent <WaypointGroup>();
for (int x = navMap.cellBounds.xMin; x < navMap.cellBounds.xMax; x++)
{
for (int y = navMap.cellBounds.yMin; y < navMap.cellBounds.yMax; y++)
{
var tile = navMap.GetTile(x, y);
if (!tile.solid && tile.exists)
{
var waypointGO = GameObject.Instantiate(waypointPrefab);
waypointGO.name = String.Format("({0}, {1})", x, y);
waypointGO.transform.position = grid.GetCellCenterWorld(new Vector3Int(x, y, 0));
waypointGO.transform.SetParent(waypoints.transform);
tile.waypoint = waypointGO.GetComponent <Waypoint>();
}
}
}
}
