public WaveQueryTask(WaveSpectrumBase spectrum, float level, Vector3 offset, IEnumerable <WaveQuery> querys, Action <IEnumerable <WaveQuery> > callBack) : base(true)
{
IDisplacementBuffer buffer = spectrum.DisplacementBuffer;
buffer.CopyAndCreateDisplacements(out m_displacements);
m_querys = querys;
m_callBack = callBack;
m_enabled = buffer.EnabledBuffers();
m_level = level;
Vector4 invGridSizes = new Vector4();
invGridSizes.x = 1.0f / (spectrum.GridSizes.x * spectrum.GridScale);
invGridSizes.y = 1.0f / (spectrum.GridSizes.y * spectrum.GridScale);
invGridSizes.z = 1.0f / (spectrum.GridSizes.z * spectrum.GridScale);
invGridSizes.w = 1.0f / (spectrum.GridSizes.w * spectrum.GridScale);
m_scaling = new QueryGridScaling();
m_scaling.invGridSizes = invGridSizes;
m_scaling.choppyness = spectrum.Choppyness * spectrum.GridScale;
m_scaling.scaleY = spectrum.GridScale;
m_scaling.offset = offset;
//tmp buffer to reduce memory allocations.
m_scaling.tmp = new float[QueryDisplacements.CHANNELS];
}
public override void QueryWaves(WaveQuery query)
{
if (!base.enabled)
{
return;
}
IDisplacementBuffer displacementBuffer = this.DisplacementBuffer;
if (displacementBuffer == null)
{
return;
}
if (this.disableReadBack && displacementBuffer.IsGPU)
{
return;
}
if (query.mode != QUERY_MODE.DISPLACEMENT && query.mode != QUERY_MODE.POSITION)
{
return;
}
if (!query.sampleSpectrum[0] && !query.sampleSpectrum[1] && !query.sampleSpectrum[2] && !query.sampleSpectrum[3])
{
return;
}
displacementBuffer.QueryWaves(query, this.m_queryScaling);
}
public override void Reset()
{
base.Reset();
this.m_choppyness = this.m_spectrum.Choppyness;
this.m_gridScale = new Vector2(this.m_spectrum.GridScale, this.m_spectrum.GridScale);
IDisplacementBuffer displacementBuffer = this.m_spectrum.DisplacementBuffer;
displacementBuffer.CopyDisplacements(this.m_displacements);
}
public FindRangeTask(WaveSpectrumBase spectrum) : base(true)
{
this.m_spectrum = spectrum;
this.m_choppyness = spectrum.Choppyness;
this.m_gridScale = new Vector2(spectrum.GridScale, spectrum.GridScale);
IDisplacementBuffer displacementBuffer = spectrum.DisplacementBuffer;
displacementBuffer.CopyAndCreateDisplacements(out this.m_displacements);
}
public FindRangeTask(WaveSpectrum spectrum) : base(true)
{
m_spectrum = spectrum;
m_choppyness = spectrum.Choppyness;
m_gridScale = new Vector2(spectrum.gridScale, spectrum.gridScale);
IDisplacementBuffer buffer = spectrum.DisplacementBuffer;
buffer.CopyAndCreateDisplacements(out m_displacements);
}
public override void Reset()
{
base.Reset();
m_choppyness = m_spectrum.Choppyness;
m_gridScale = new Vector2(m_spectrum.gridScale, m_spectrum.gridScale);
IDisplacementBuffer buffer = m_spectrum.DisplacementBuffer;
buffer.CopyDisplacements(m_displacements);
}
public void QueryWavesAsync(IEnumerable <WaveQuery> querys, Action <IEnumerable <WaveQuery> > callBack)
{
IDisplacementBuffer displacementBuffer = this.Spectrum.DisplacementBuffer;
if (base.enabled && this.Spectrum != null && displacementBuffer != null && (!displacementBuffer.IsGPU || !this.Spectrum.DisableReadBack))
{
WaveQueryTask task = new WaveQueryTask(this.Spectrum, this.level, this.PositionOffset, querys, callBack);
this.m_scheduler.Run(task);
}
else
{
foreach (WaveQuery waveQuery in querys)
{
waveQuery.result.Clear();
waveQuery.result.height = this.level;
}
callBack(querys);
}
}
/// <summary>
/// The task needs to be reset before being scheduled.
/// This will update the settings in case wave conditions have changed.
/// </summary>
public void Reset(WaveSpectrum spectrum, Vector3 offset, float level)
{
//Dont forget to reset base.
base.Reset();
IsScheduled = false;
//If the spectrum component is added and enabled then take a copy of the
//displacement data and update scaling settings for the waves.
if (spectrum != null && spectrum.DisplacementBuffer != null)
{
IDisplacementBuffer buffer = spectrum.DisplacementBuffer;
if (Displacements == null || BufferSize != buffer.Size)
{
buffer.CopyAndCreateDisplacements(out Displacements);
BufferSize = buffer.Size;
}
else
{
buffer.CopyDisplacements(Displacements);
}
EnabledBuffers = buffer.EnabledBuffers();
Vector4 invGridSizes = new Vector4();
invGridSizes.x = 1.0f / (spectrum.GridSizes.x * spectrum.gridScale);
invGridSizes.y = 1.0f / (spectrum.GridSizes.y * spectrum.gridScale);
invGridSizes.z = 1.0f / (spectrum.GridSizes.z * spectrum.gridScale);
invGridSizes.w = 1.0f / (spectrum.GridSizes.w * spectrum.gridScale);
Scaling.invGridSizes = invGridSizes;
Scaling.choppyness = spectrum.Choppyness * spectrum.gridScale;
Scaling.scaleY = spectrum.gridScale;
Scaling.offset = offset;
Scaling.numGrids = spectrum.numberOfGrids;
}
}
/// <summary>
/// Query the waves at world position xz
/// with a batch of querys.
/// This will run the querys on a separate thread.
/// The call back function will be called when the
/// batch has finished.
/// Make sure the batch has finished before resubmitting it.
///
/// NOTE - Currently will not sample the wave overlays.
///
/// </summary>
public void QueryWavesAsync(IEnumerable <WaveQuery> querys, Action <IEnumerable <WaveQuery> > callBack)
{
IDisplacementBuffer buffer = Spectrum.DisplacementBuffer;
if (enabled && Spectrum != null && buffer != null && !(buffer.IsGPU && Spectrum.DisableReadBack))
{
WaveQueryTask task = new WaveQueryTask(Spectrum, level, PositionOffset, querys, callBack);
m_scheduler.Run(task);
}
else
{
//There is no spectrum to query or its displacement
//buffer does not support querys.
//Clear results and call callback.
foreach (WaveQuery query in querys)
{
query.result.Clear();
query.result.height = level;
}
callBack(querys);
}
}
