public override bool Calculate()
{
LibNoise.ModuleBase noiseModule = null;
var mnode = !Inputs[0].IsValueNull ? Inputs[0].GetValue <NodeModuleBase>() : null;
if (mnode != null && mnode.DependenciesMet)
{
noiseModule = mnode.Module;
}
if (noiseModule != null)
{
if (_previewTexture == null)
{
_previewTexture = NodeModuleBase.GenerateDefaultTexture(_previewWidth, _previewHeight);
}
++_nextSequenceId;
int asyncId = _nextSequenceId;
AsyncWorkQueue.QueueBackgroundWork(GetType().Name, () =>
{
// expensive stuff
LibNoise.Noise2D noise2d = new LibNoise.Noise2D(_previewWidth, _previewHeight, noiseModule);
noise2d.GeneratePlanar(PreviewLeft, PreviewRight, PreviewTop, PreviewBottom, PreviewSeamless);
// when we're done, queue the texture creation
AsyncWorkQueue.QueueMainThreadWork(() =>
{
if (asyncId >= _textureSequenceId)
{
_textureSequenceId = asyncId;
_previewTexture = NodeModuleBase.CreateNoiseTexture(noise2d, Colorization);
NodeEditorFramework.NodeEditor.RepaintClients();
}
});
});
}
else
{
_previewTexture = NodeModuleBase.GenerateDefaultTexture(_previewWidth, _previewHeight);
}
NodeEditorFramework.NodeEditor.RepaintClients();
return(true);
}
public override bool Calculate()
{
LibNoise.ModuleBase noiseModule = null;
var mnode = !Inputs[0].IsValueNull ? Inputs[0].GetValue <NodeModuleBase>() : null;
if (mnode != null && mnode.DependenciesMet)
{
noiseModule = mnode.Module;
}
if (noiseModule != null)
{
if (_previewTexture == null)
{
_previewTexture = NodeModuleBase.GenerateDefaultTexture(_previewWidth, _previewHeight);
}
++_nextSequenceId;
int asyncId = _nextSequenceId;
AsyncWorkQueue.QueueBackgroundWork(GetType().Name, () =>
{
LibNoise.Noise2D noise2d = new LibNoise.Noise2D(_previewWidth, _previewHeight, noiseModule);
noise2d.GeneratePlanar(PreviewLeft, PreviewRight, PreviewTop, PreviewBottom, PreviewSeamless);
float[,] noiseData = noise2d.GetData();
bool[,] cellular = new bool[noiseData.GetLength(0), noiseData.GetLength(1)];
for (var x = 0; x < noiseData.GetLength(0); x++)
{
for (var y = 0; y < noiseData.GetLength(1); y++)
{
cellular[x, y] = noiseData[x, y] > Cutoff;
}
}
bool[,] dstMap = new bool[noiseData.GetLength(0), noiseData.GetLength(1)];
for (int i = 0; i < SmoothIterations; ++i)
{
SmoothMap(cellular, dstMap);
// swap the array references
bool[,] tmp = cellular;
cellular = dstMap;
dstMap = tmp;
}
// when we're done, queue the texture creation
AsyncWorkQueue.QueueMainThreadWork(() =>
{
if (asyncId >= _textureSequenceId)
{
_textureSequenceId = asyncId;
var pixels = new Color[cellular.GetLength(0) * cellular.GetLength(1)];
_previewTexture = new Texture2D(cellular.GetLength(0), cellular.GetLength(1));
_previewTexture.wrapMode = TextureWrapMode.Clamp;
_previewTexture.alphaIsTransparency = true;
for (var x = 0; x < noiseData.GetLength(0); x++)
{
for (var y = 0; y < noiseData.GetLength(1); y++)
{
pixels[x + y * noiseData.GetLength(0)] = cellular[x, y] ? Color.black : Color.white;
}
}
_previewTexture.SetPixels(pixels);
_previewTexture.Apply();
NodeEditorFramework.NodeEditor.RepaintClients();
}
});
});
}
else
{
_previewTexture = NodeModuleBase.GenerateDefaultTexture(_previewWidth, _previewHeight);
}
NodeEditorFramework.NodeEditor.RepaintClients();
return(true);
}