public Tile MatchClosestTile(TileInstance instance)
{
var minDistance = float.MaxValue;
Tile closestTile = null;
foreach (Tile tile in tiles)
{
// Check if the tile matches edges and tile flags
if (!instance.MatchesEdges(tile, out var rotation) || !instance.MatchesTileFlags(tile))
{
continue;
}
// Compute "distance" between tile dimensions and check if the tile is closer
var distance = (tile.Size - instance.RotatedSize(rotation)).SqrMagnitude();
if (!(distance < minDistance))
{
continue;
}
instance.matchedRotation = rotation;
minDistance = distance;
closestTile = tile;
}
return(closestTile);
}
// public void MatchTile(TileInstance instance)
// {
// Tile matchedTile = null;
//
// switch (tileSizeMatch)
// {
// case SizeMatchMode.ClosestMatch:
// matchedTile = tileset.MatchClosestTile(instance);
// break;
// case SizeMatchMode.Exact:
// matchedTile = tileset.MatchTile(instance);
// break;
// default:
// throw new ArgumentOutOfRangeException(nameof(tileSizeMatch), tileSizeMatch, null);
// }
//
// instance.matchedTileId = matchedTile ? matchedTile.Id : -1;
// }
public void MatchTile(TileInstance instance)
{
var minDistance = float.MaxValue;
var minRotation = int.MaxValue;
Tile matchedTile = null;
foreach (Tile tile in tileset)
{
// Check if the tile matches edges and tile flags
if (!instance.MatchesEdges(tile, out var rotation) || !instance.MatchesTileFlags(tile))
{
continue;
}
// Use exact matching
if (tileSizeMatch == SizeMatchMode.Exact)
{
if (!instance.MatchesSize(tile, rotation))
{
continue;
}
if (!preferFewerRotations)
{
matchedTile = tile;
minRotation = rotation;
break;
}
}
else
{
// Use "closest match" matching
// Compute "distance" between tile dimensions and check if the tile is closer
var distance = (tile.Size - instance.RotatedSize(rotation)).SqrMagnitude();
if (distance > minDistance)
{
continue;
}
if (distance < minDistance)
{
matchedTile = tile;
instance.matchedRotation = rotation;
minRotation = rotation;
minDistance = distance;
continue;
}
minDistance = distance;
}
// Check if the current tile was matched with fewer rotations than the current matchedTile
if (preferFewerRotations)
{
if (rotation < minRotation)
{
matchedTile = tile;
minRotation = rotation;
}
}
}
instance.SetMatchedTile(matchedTile, minRotation);
}