/// <summary>
/// Get the sidewalk material, or if one has not been generated, generate one based off DefaultSidewalkMaterial
/// </summary>
/// <param name="provider"></param>
/// <param name="random"></param>
/// <param name="defaultMaterial"></param>
/// <returns></returns>
public static string RoadSidewalkMaterial(this INamedDataCollection provider, Func <double> random, string defaultMaterial = null)
{
Contract.Requires(provider != null);
Contract.Requires(random != null);
return(provider.DefaultMaterial(random, RoadSidewalkMaterialName, defaultMaterial ?? provider.GetValue(DefaultSidewalkMaterialName)));
}
/// <summary>
/// Create the base block for this facade (which embossing stamps will be applied to)
/// </summary>
/// <param name="bounds"></param>
/// <param name="geometry"></param>
/// <param name="hierarchicalParameters"></param>
/// <returns></returns>
protected virtual ICsgShape CreateFacade(Prism bounds, ISubdivisionGeometry geometry, INamedDataCollection hierarchicalParameters)
{
Contract.Requires(geometry != null);
Contract.Requires(hierarchicalParameters != null);
return(geometry.CreatePrism(hierarchicalParameters.DefaultMaterial(Random), bounds.Footprint, bounds.Height));
}
public static string ExternalWallMaterial(this INamedDataCollection provider, Func <double> random, params string[] possibilities)
{
Contract.Requires(provider != null);
Contract.Requires(random != null);
Contract.Requires(possibilities != null);
//Select a random value from the possibilities, if no possibilities are supplied use the default material
var generated = possibilities.Length == 0 ? provider.DefaultMaterial(random) : possibilities[random.RandomInteger(0, possibilities.Length - 1)];
return(provider.DetermineHierarchicalValue(ExternalWallDefaultMaterialName, oldValue =>
{
//If no possibilities were provided, everything is valid!
if (possibilities.Length == 0)
{
return oldValue;
}
//Use the old value if it is one of the allowed possibilities
if (((IList <string>)possibilities).Contains(oldValue))
{
return oldValue;
}
//Otherwise generate a new value (from the range of allowed possibilities)
return generated;
}, () => generated));
}
public override void Subdivide(Prism bounds, ISubdivisionGeometry geometry, INamedDataCollection hierarchicalParameters)
{
var height = (float)Math.Min(bounds.Height, Math.Sqrt(Math.Abs(bounds.Footprint.Area())) * (Random() + 0.5));
var material = hierarchicalParameters.DefaultMaterial(Random);
var prism = geometry.CreatePrism(material, bounds.Footprint, height).Transform(Matrix4x4.CreateTranslation(0, height / 2f - bounds.Height / 2f + GroundHeight, 0));
geometry.Union(prism);
}
