private static void AddQuads(Vector3[] vertices, Vector3[] origins, Vector2[] uvs, int index, float xOffset, float yOffset)
{
SpectrumResolver.AddQuad(vertices, origins, uvs, index, xOffset, yOffset, 0);
SpectrumResolver.AddQuad(vertices, origins, uvs, index + 4, xOffset + 0.25f, yOffset, 3);
SpectrumResolver.AddQuad(vertices, origins, uvs, index + 8, xOffset, yOffset + 0.25f, 1);
SpectrumResolver.AddQuad(vertices, origins, uvs, index + 12, xOffset + 0.25f, yOffset + 0.25f, 2);
}
private static Mesh CreateDownsamplingMesh()
{
Mesh mesh = new Mesh
{
name = "[PW Water] Spectrum Downsampling Mesh"
};
Vector3[] vertices = new Vector3[64];
Vector3[] array = new Vector3[64];
Vector2[] array2 = new Vector2[64];
int[] array3 = new int[64];
for (int i = 0; i < array3.Length; i++)
{
array3[i] = i;
}
SpectrumResolver.AddQuads(vertices, array, array2, 0, 0f, 0f);
SpectrumResolver.AddQuads(vertices, array, array2, 16, 0.5f, 0f);
SpectrumResolver.AddQuads(vertices, array, array2, 32, 0f, 0.5f);
SpectrumResolver.AddQuads(vertices, array, array2, 48, 0.5f, 0.5f);
mesh.vertices = vertices;
mesh.normals = array;
mesh.uv = array2;
mesh.SetIndices(array3, MeshTopology.Quads, 0);
return(mesh);
}
private void AddOverlayToDirectionalSpectrum()
{
if (this._SpectrumDownsamplingMesh == null)
{
this._SpectrumDownsamplingMesh = SpectrumResolver.CreateDownsamplingMesh();
}
for (int i = this._OverlayedSpectra.Count - 1; i >= 0; i--)
{
WaterWavesSpectrumDataBase waterWavesSpectrumDataBase = this._OverlayedSpectra[i];
Texture2D texture = waterWavesSpectrumDataBase.Texture;
this._AnimationMaterial.SetFloat("_Weight", waterWavesSpectrumDataBase.Weight);
this._AnimationMaterial.SetVector("_WindDirection", waterWavesSpectrumDataBase.WindDirection);
float weatherSystemRadius = waterWavesSpectrumDataBase.WeatherSystemRadius;
this._AnimationMaterial.SetVector("_WeatherSystemRadius", new Vector4(2f * weatherSystemRadius, weatherSystemRadius * weatherSystemRadius, 0f, 0f));
Vector2 weatherSystemOffset = waterWavesSpectrumDataBase.WeatherSystemOffset;
this._AnimationMaterial.SetVector("_WeatherSystemOffset", new Vector4(weatherSystemOffset.x, weatherSystemOffset.y, weatherSystemOffset.magnitude, 0f));
Graphics.Blit(texture, this._DirectionalSpectrum, this._AnimationMaterial, 6);
}
}
private void RunFFTTask()
{
try
{
CpuFFT cpuFFT = new CpuFFT();
Stopwatch stopwatch = new Stopwatch();
bool flag = false;
while (this._Run)
{
WaterTileSpectrum waterTileSpectrum = null;
object fftspectra = this._FFTSpectra;
lock (fftspectra)
{
if (this._FFTSpectra.Count != 0)
{
if (this._FFTSpectrumIndex >= this._FFTSpectra.Count)
{
this._FFTSpectrumIndex = 0;
}
if (this._FFTSpectrumIndex == 0)
{
if ((float)stopwatch.ElapsedMilliseconds > this._FFTTimeStep * 900f)
{
if (flag)
{
this._FFTTimeStep += 0.05f;
}
else
{
flag = true;
}
}
else
{
flag = false;
if (this._FFTTimeStep > 0.2f)
{
this._FFTTimeStep -= 0.001f;
}
}
stopwatch.Reset();
stopwatch.Start();
}
waterTileSpectrum = this._FFTSpectra[this._FFTSpectrumIndex++];
}
}
if (waterTileSpectrum == null)
{
stopwatch.Reset();
Thread.Sleep(6);
}
else
{
bool flag2 = false;
SpectrumResolver spectrumResolver = waterTileSpectrum.WindWaves.SpectrumResolver;
if (spectrumResolver != null)
{
int recentResultIndex = waterTileSpectrum.RecentResultIndex;
int num = (recentResultIndex + 2) % waterTileSpectrum.ResultsTiming.Length;
int num2 = (recentResultIndex + 1) % waterTileSpectrum.ResultsTiming.Length;
float num3 = waterTileSpectrum.ResultsTiming[recentResultIndex];
float num4 = waterTileSpectrum.ResultsTiming[num];
float num5 = waterTileSpectrum.ResultsTiming[num2];
float lastFrameTime = spectrumResolver.LastFrameTime;
if (num4 <= lastFrameTime || num5 > lastFrameTime)
{
float loopDuration = waterTileSpectrum.WindWaves.LoopDuration;
float num6;
if (loopDuration != 0f)
{
num6 = Mathf.Round((num3 % loopDuration + 0.2f) / 0.2f) * 0.2f;
}
else if (num5 > lastFrameTime)
{
num6 = lastFrameTime + this._FFTTimeStep;
}
else
{
num6 = Mathf.Max(num3, lastFrameTime) + this._FFTTimeStep;
}
if (num6 != num5)
{
cpuFFT.Compute(waterTileSpectrum, num6, num2);
waterTileSpectrum.ResultsTiming[num2] = num6;
flag2 = true;
}
waterTileSpectrum.RecentResultIndex = num2;
}
if (!flag2)
{
stopwatch.Reset();
Thread.Sleep(3);
}
}
}
}
}
catch (Exception threadException)
{
this._ThreadException = threadException;
}
}
