public static ImplicitFractal FractalFromXElement(ImplicitXmlChain chain, XElement xElement)
{
var fractalTypeAttribute = xElement.Attribute("fractal");
if (fractalTypeAttribute == null)
{
throw new InvalidOperationException("Missing fractal.");
}
var basisTypeAttribute = xElement.Attribute("basis");
if (basisTypeAttribute == null)
{
throw new InvalidOperationException("Missing basis.");
}
var interpolationTypeAttribute = xElement.Attribute("interpolation");
if (interpolationTypeAttribute == null)
{
throw new InvalidOperationException("Missing interpolation.");
}
FractalType fractalType;
switch (fractalTypeAttribute.Value.ToLower())
{
case "billow":
fractalType = FractalType.Billow;
break;
case "fbm":
fractalType = FractalType.FractionalBrownianMotion;
break;
case "hybrid_multi":
fractalType = FractalType.HybridMulti;
break;
case "multi":
fractalType = FractalType.Multi;
break;
case "ridged_multi":
fractalType = FractalType.RidgedMulti;
break;
default: throw new InvalidOperationException("Invalid fractal.");
}
BasisType basisType;
switch (basisTypeAttribute.Value.ToLower())
{
case "gradient":
basisType = BasisType.Gradient;
break;
case "gradient_value":
basisType = BasisType.GradientValue;
break;
case "simplex":
basisType = BasisType.Simplex;
break;
case "value":
basisType = BasisType.Value;
break;
case "white":
basisType = BasisType.White;
break;
default: throw new InvalidOperationException("Invalid basis.");
}
InterpolationType interpolationType;
switch (interpolationTypeAttribute.Value.ToLower())
{
case "cubic":
interpolationType = InterpolationType.Cubic;
break;
case "linear":
interpolationType = InterpolationType.Linear;
break;
case "none":
interpolationType = InterpolationType.None;
break;
case "quintic":
interpolationType = InterpolationType.Quintic;
break;
default: throw new InvalidOperationException("Invalid interpolation.");
}
var fractal = new ImplicitFractal(fractalType, basisType, interpolationType);
var octavesAttribute = xElement.Attribute("octaves");
if (octavesAttribute != null)
{
fractal.Octaves = Int32.Parse(octavesAttribute.Value);
}
var frequencyAttribute = xElement.Attribute("frequency");
if (frequencyAttribute != null)
{
fractal.Frequency = Double.Parse(frequencyAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
}
var lacunarityAttribute = xElement.Attribute("lacunarity");
if (lacunarityAttribute != null)
{
fractal.Lacunarity = Double.Parse(lacunarityAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
}
var gainAttribute = xElement.Attribute("gain");
if (gainAttribute != null)
{
fractal.Gain = Double.Parse(gainAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
}
var offsetAttribute = xElement.Attribute("offset");
if (offsetAttribute != null)
{
fractal.Offset = Double.Parse(offsetAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
}
var hAttribute = xElement.Attribute("h");
if (hAttribute != null)
{
fractal.H = Double.Parse(hAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
}
return(fractal);
}
public static ImplicitFractal FractalFromXElement(ImplicitXmlChain chain, XElement xElement)
{
var fractalTypeAttribute = xElement.Attribute("fractal");
if (fractalTypeAttribute == null)
throw new InvalidOperationException("Missing fractal.");
var basisTypeAttribute = xElement.Attribute("basis");
if (basisTypeAttribute == null)
throw new InvalidOperationException("Missing basis.");
var interpolationTypeAttribute = xElement.Attribute("interpolation");
if (interpolationTypeAttribute == null)
throw new InvalidOperationException("Missing interpolation.");
FractalType fractalType;
switch (fractalTypeAttribute.Value.ToLower())
{
case "billow":
fractalType = FractalType.Billow;
break;
case "fbm":
fractalType = FractalType.FractionalBrownianMotion;
break;
case "hybrid_multi":
fractalType = FractalType.HybridMulti;
break;
case "multi":
fractalType = FractalType.Multi;
break;
case "ridged_multi":
fractalType = FractalType.RidgedMulti;
break;
default: throw new InvalidOperationException("Invalid fractal.");
}
BasisType basisType;
switch (basisTypeAttribute.Value.ToLower())
{
case "gradient":
basisType = BasisType.Gradient;
break;
case "gradient_value":
basisType = BasisType.GradientValue;
break;
case "simplex":
basisType = BasisType.Simplex;
break;
case "value":
basisType = BasisType.Value;
break;
case "white":
basisType = BasisType.White;
break;
default: throw new InvalidOperationException("Invalid basis.");
}
InterpolationType interpolationType;
switch (interpolationTypeAttribute.Value.ToLower())
{
case "cubic":
interpolationType = InterpolationType.Cubic;
break;
case "linear":
interpolationType = InterpolationType.Linear;
break;
case "none":
interpolationType = InterpolationType.None;
break;
case "quintic":
interpolationType = InterpolationType.Quintic;
break;
default: throw new InvalidOperationException("Invalid interpolation.");
}
var fractal = new ImplicitFractal(fractalType, basisType, interpolationType);
var octavesAttribute = xElement.Attribute("octaves");
if (octavesAttribute != null)
fractal.Octaves = Int32.Parse(octavesAttribute.Value);
var frequencyAttribute = xElement.Attribute("frequency");
if (frequencyAttribute != null)
fractal.Frequency = Double.Parse(frequencyAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
var lacunarityAttribute = xElement.Attribute("lacunarity");
if (lacunarityAttribute != null)
fractal.Lacunarity = Double.Parse(lacunarityAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
var gainAttribute = xElement.Attribute("gain");
if (gainAttribute != null)
fractal.Gain = Double.Parse(gainAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
var offsetAttribute = xElement.Attribute("offset");
if (offsetAttribute != null)
fractal.Offset = Double.Parse(offsetAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
var hAttribute = xElement.Attribute("h");
if (hAttribute != null)
fractal.H = Double.Parse(hAttribute.Value, NumberStyles.Any, CultureInfo.InvariantCulture);
return fractal;
}
