public CloudyBrush(ExtBlock[] blocks, int[] counts, NoiseArgs n)
{
this.blocks = blocks;
this.counts = counts;
this.thresholds = new float[counts.Length];
Random r = n.Seed == int.MinValue ? new Random() : new Random(n.Seed);
noise = new ImprovedNoise(r);
noise.Frequency = n.Frequency;
noise.Amplitude = n.Amplitude;
noise.Octaves = n.Octaves;
noise.Lacunarity = n.Lacunarity;
noise.Persistence = n.Persistence;
}
static bool Handler(string arg, Player p, ref NoiseArgs args)
{
char opt = arg[0];
arg = arg.Substring(2); // get part after _ or =
if (opt == 'l')
{
return(ParseDecimal(p, arg, ref args.Lacunarity, 2.00f));
}
if (opt == 'a')
{
return(ParseDecimal(p, arg, ref args.Amplitude, 1.00f));
}
if (opt == 'f')
{
return(ParseDecimal(p, arg, ref args.Frequency, 0.08f));
}
if (opt == 'p')
{
return(ParseDecimal(p, arg, ref args.Persistence, 0.75f));
}
if (opt == 'o')
{
if (byte.TryParse(arg, out args.Octaves) &&
args.Octaves > 0 && args.Octaves <= 16)
{
return(true);
}
Player.Message(p, "\"{0}\" was not an integer between 1 and 16.", arg);
}
else if (opt == 's')
{
if (int.TryParse(arg, out args.Seed))
{
return(true);
}
Player.Message(p, "\"{0}\" was not a valid integer.", arg);
}
else
{
Player.Message(p, "\"{0}\" was not a valid argument name.", opt);
}
return(false);
}
static bool Handler(string arg, Player p, ref NoiseArgs args)
{
char opt = arg[0];
arg = arg.Substring(2); // get part after _ or =
if (opt == 'l')
{
return(ParseDecimal(p, arg, ref args.Lacunarity, 2.00f));
}
if (opt == 'a')
{
return(ParseDecimal(p, arg, ref args.Amplitude, 1.00f));
}
if (opt == 'f')
{
return(ParseDecimal(p, arg, ref args.Frequency, 0.08f));
}
if (opt == 'p')
{
return(ParseDecimal(p, arg, ref args.Persistence, 0.75f));
}
if (opt == 'o')
{
if (!CommandParser.GetInt(p, arg, "Octaves", ref args.Octaves, 1, 16))
{
return(false);
}
}
else if (opt == 's')
{
if (!CommandParser.GetInt(p, arg, "Seed", ref args.Seed))
{
return(false);
}
}
else
{
p.Message("\"{0}\" was not a valid argument name.", opt);
return(false);
}
return(true);
}
public override Brush Construct(BrushArgs args)
{
NoiseArgs n = default(NoiseArgs);
// Constants borrowed from fCraft to match it
n.Amplitude = 1;
n.Frequency = 0.08f;
n.Octaves = 3;
n.Seed = int.MinValue;
n.Persistence = 0.75f;
n.Lacunarity = 2;
int[] count;
BlockID[] toAffect = FrequencyBrush.GetBlocks(args, out count,
Filter, arg => Handler(arg, args.Player, ref n));
if (toAffect == null)
{
return(null);
}
return(new CloudyBrush(toAffect, count, n));
}
