/// <summary>
/// Initialize an instance to calculate path details.
/// </summary>
/// <param name="map">Has to be at least 1x1.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// <see cref="Map.Width"/> or <see cref="Map.Height"/> is less than 1.</exception>
public PathGenerator(Map map, BuilderRules rules)
{
if (map.Width < 1)
{
throw new ArgumentOutOfRangeException($"{nameof(map.Width)} has to be at least 1.");
}
if (map.Height < 1)
{
throw new ArgumentOutOfRangeException($"{nameof(map.Height)} has to be at least 1.");
}
_map = map;
int rowCount = (int)Math.Pow(Math.Max(map.Width, map.Height), 3);
_results = new Path[rowCount];
_nearestPillars = new NearestPillars(_map);
_rules = rules;
}
static BuilderViewModel()
{
_rules = new BuilderRules();
}