public int GetMyHashCode()
{
int rlt = 0;
if (node != null)
{
foreach (FieldInfo f in node.GetType().GetFields())
{
var val = f.GetValue(node);
if (val != null)
{
if (f.FieldType == typeof(AnimationCurve))
{
AnimationCurve c = (AnimationCurve)val;
rlt ^= PerlinCache.getCurveHash(c);
}
rlt ^= val.GetHashCode();
}
}
for (int i = 0; i < node.inputs.Length; i++)
{
if (node.inputs[i] != null)
{
rlt ^= node.inputs[i].container.GetMyHashCode();
}
}
}
return(rlt);
}
public override float[,] update(int seed, int width, int height, Rect rect)
{
if (size < 0.01)
{
return(new float[width, height]);
}
generator.Frequency = 1.0 / size;
generator.OctaveCount = 1;
generator.Seed = seed + localSeed;
generator.Quality = LibNoise.Unity.QualityMode.High;
string key = PerlinCache.makeKey("perlin", generator.Frequency, generator.Seed, octaveCount, width, height, rect, curve);
float[,] temp = null;
if (PerlinCache.hasKey(key))
{
temp = PerlinCache.getCache(key);
}
else
{
temp = new float[width, height];
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
float tempX = rect.x + rect.width * i / (float)width;
float tempY = rect.y + rect.height * j / (float)height;;
float val = 0f;
float cp = 0.5f;
for (int o = 0; o < octaveCount; o++)
{
float signal = (float)generator.GetValue(tempX, tempY, 0);
val += (curve.Evaluate(signal * 0.4f + 0.5f) - 0.5f) * 2f * cp;
tempX *= 1.93456789f;
tempY *= 1.93456789f;
cp *= 0.5f;
}
temp[i, j] = (val * 0.5f + 0.5f);
}
}
PerlinCache.addCache(key, temp);
}
float[,] values = new float[width, height];
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
values[i, j] = temp[i, j] * scale + bias;
}
}
return(values);
}
