private bool BuildQueue(bool usingOvercast = false)
{
if (_isWorking)
{
Debug.LogWarning("BuildQueue found job already in progress - stopping");
return(false);
}
this._persistance = UnityEngine.Random.Range(.5f, .6f);
CloudParams cp = new CloudParams(SkyMan.cloudSeed, SkyMan.cloudQuality, NUMOFOCTAVES, _persistance, usingOvercast);
if (usingOvercast)
{
cp.gradient = PresetContainer.Instance.cloudNoiseOver;
}
else
{
cp.gradient = PresetContainer.Instance.cloudNoiseBase;
}
_isWorking = true;
//executes on thread pool; if no threads avaliable will wait for one
if (!ThreadPool.QueueUserWorkItem(new WaitCallback(DoWork), cp))
{
Debug.LogError("Failed to queue worker");
return(false);
}
else
{
return(true);
}
}
private bool BuildQueue(bool usingOvercast = false)
{
if (_isWorking)
{
Debug.LogWarning("BuildQueue found job already in progress - stopping");
return false;
}
this._persistance = UnityEngine.Random.Range(.5f, .6f);
CloudParams cp = new CloudParams(SkyMan.cloudSeed, SkyMan.cloudQuality, NUMOFOCTAVES, _persistance, usingOvercast);
if (usingOvercast)
cp.gradient = PresetContainer.Instance.cloudNoiseOver;
else
cp.gradient = PresetContainer.Instance.cloudNoiseBase;
_isWorking = true;
//executes on thread pool; if no threads avaliable will wait for one
if (!ThreadPool.QueueUserWorkItem(new WaitCallback(DoWork), cp))
{
Debug.LogError("Failed to queue worker");
return false;
}
else
return true;
}
/// <summary>
/// Generates color array used to build cloud texture
/// </summary>
/// <param name="e"></param>
private void DoWork(object e)
{
CloudParams cp = (CloudParams)e;
if (cp == null)
{
DaggerfallUnity.LogMessage("Error - cp == null", true);
return;
}
if (cp.gradient == null)
{
DaggerfallUnity.LogMessage("Error - invalid gradient supplied", true);
return;
}
int numOfOctaves = cp.numOfoctaves;
if (cp.seed < 0) //if seed negative, get a random seed
{
cp.seed = System.Environment.TickCount;
}
System.Random rand = new System.Random(cp.seed);
Noise[] octaves = new Noise[numOfOctaves];
float[] freq = new float[numOfOctaves];
float[] amp = new float[numOfOctaves];
for (int i = 0; i < numOfOctaves; i++)
{
octaves[i] = new Noise();
octaves[i].Seed(rand.Next());
freq[i] = (float)Math.Pow(2, i);
amp[i] = (float)Math.Pow(cp.persistance, octaves.Length - i);
}
_colors = new Color[cp.xDimension * cp.yDimension];
for (int i = 0; i < cp.xDimension; i++)
{
//if isWorking set to false from main thread, stop
if (_abortJob)
{
_abortJob = false;
_colors = null;
return;
}
for (int j = 0; j < cp.yDimension; j++)
{
float result = 0;
for (int z = 0; z < numOfOctaves; z++)
{
result += octaves[z].Generate((i / freq[z]) % cp.xDimension, (j / freq[z]) % cp.yDimension) * amp[z];
}
//DaggerfallUnity.LogMessage(string.Format("res: {0} i: {1} j: {2}", result, i, j), true);
_colors[i + (j * cp.xDimension)] = cp.gradient.Evaluate(0.5f * (1 + result));
}
}
//DaggerfallUnity.LogMessage("Finished generating cloud noise...seed: " + cp.seed, true);
if (cp.overCast)
{
_overcastCloudBuffer.Enqueue(_colors);
}
else
{
_normalCloudBuffer.Enqueue(_colors);
}
//alert WaitForJobFinish() to create texture
_isWorking = false;
}
