/// <summary>
/// Finds a Tile for every placed Section in the world.
/// </summary>
private void PlaceTiles()
{
TileSet.VariantKey searchKey = new TileSet.VariantKey();
searchKey.variant = "default";
List <Tile> searchResult = new List <Tile>();
foreach (Vector2Int position in grid.GetOccupiedCells())
{
Profiler.BeginSample("Calculating tile information");
Profiler.BeginSample("Extracting section");
// Search by keys; guaranteed not null, so we cast from Section? -> Section
Section section = (Section)grid[position];
Profiler.EndSample();
Profiler.BeginSample("Getting physical adjacencies");
// Find all the Sections that neighbor this one ("physical adjacency").
// Cached + optimized algorithm
Connection physicalAdjacencies = grid.GetPhysicalAdjacencies(position);
Profiler.EndSample();
Profiler.BeginSample("Resolving TileType");
// Knowing physical adjacencies, get the TileType and rotation
(TileType type, int rotation) = TileType.GetTileType(physicalAdjacencies, section.internalConnections);
Profiler.EndSample();
Profiler.BeginSample("Searching for Tiles");
// Hardcoded to have "default" variant for efficieny.
// TODO replace searchKey.variant with Section.getVariant(), and logic
// to fallback to a search for "default".
searchKey.tileType = type;
if (!tileSet.Get(searchKey, ref searchResult))
{
Debug.LogError("Couldn't resolve Section into a Tile.");
}
Profiler.EndSample();
// Arbitrarily choose first one; TODO add smarter logic to choose which
// variant to take (and add parameters for it)
Tile chosenTile = searchResult[0];
chosenTile.section = section;
Profiler.EndSample();
Profiler.BeginSample("Placing physical GO");
// Compute the GameObject values from the known parameters
Vector3 worldPosition = new Vector3(distanceScale * position.x, 0, distanceScale * position.y);
Quaternion worldRotation = Quaternion.AngleAxis(90f * rotation, Vector3.up);
// Create a new instance of the Tile's prefab and place it in the world
gameObjectLoader.Load(chosenTile.gameObject, worldPosition, worldRotation, tileScale * Vector3.one);
Profiler.EndSample();
}
gameObjectLoader.LastGameObjectSent();
}
public Vector2Int[] GetOccupiedCells() => backingGrid.GetOccupiedCells();
