/// <summary>
/// Get all the neighbours of a tile that monsters can travel to
/// </summary>
/// <param name="tileMap">Tile map to query</param>
/// <param name="source">Tile to query for neighbors</param>
/// <returns>Array of tiles neighbors</returns>
static private Vector3Int[] getNeighbors(Dictionary <Vector3Int, TDTileType> tileMap, Vector3Int source)
{
#if UNITY_EDITOR
Assert.IsTrue(tileMap.ContainsKey(source));
#endif
List <Vector3Int> neighbors = new List <Vector3Int>();
for (int i = 0; i < moveDirs.Length; ++i)
{
Vector3Int tileIndex = source + moveDirs[i];
if (!tileMap.ContainsKey(tileIndex))
{
continue;
}
TDTileType tile = tileMap[tileIndex];
if (!canTravelTo(tile))
{
continue;
}
neighbors.Add(tileIndex);
}
return(neighbors.ToArray());
}
/// <summary>
/// Get if monsters could travel to this tile
/// </summary>
/// <param name="tileType">Type of the tile</param>
/// <returns>If monster can travel to tile</returns>
static private bool canTravelTo(TDTileType tileType)
{
return(tileType == TDTileType.Path || tileType == TDTileType.Spawn);
}
