ProcessedVoxelVolume GetProcessedVolume()
{
var lightVoxel = ((LightVoxel)Light.Type);
if (lightVoxel.Volume == null)
{
throw new ArgumentNullException("No Voxel Volume Component selected for voxel light.");
}
var voxelVolumeProcessor = lightVoxel.Volume.Entity.EntityManager.GetProcessor <VoxelVolumeProcessor>();
if (voxelVolumeProcessor == null)
{
return(null);
}
ProcessedVoxelVolume processedVolume = voxelVolumeProcessor.GetProcessedVolumeForComponent(lightVoxel.Volume);
return(processedVolume);
}
VoxelAttribute GetTraceAttr()
{
var lightVoxel = ((LightVoxel)Light.Type);
ProcessedVoxelVolume processedVolume = GetProcessedVolume();
if (processedVolume == null)
{
return(null);
}
if (processedVolume.OutputAttributes.Count > lightVoxel.AttributeIndex)
{
return(processedVolume.OutputAttributes[lightVoxel.AttributeIndex]);
}
else
{
throw new ArgumentOutOfRangeException("Tried to access attribute index " + lightVoxel.AttributeIndex.ToString() + " (zero-indexed) when the Voxel Volume Component has only " + processedVolume.OutputAttributes.Count.ToString() + " attributes.");
}
}
public override void ApplyViewParameters(RenderDrawContext context, int viewIndex, ParameterCollection parameters)
{
base.ApplyViewParameters(context, viewIndex, parameters);
var lightVoxel = (LightVoxel)Light.Type;
if (lightVoxel.Volume is null)
{
return;
}
ProcessedVoxelVolume processedVolume = GetProcessedVolume();
if (processedVolume is null)
{
return;
}
var intensity = Light.Intensity;
var intensityBounceScale = lightVoxel.BounceIntensityScale;
var specularIntensity = lightVoxel.SpecularIntensityScale * intensity;
var viewContext = new VoxelViewContext(processedVolume.passList, viewIndex);
if (viewContext.IsVoxelView)
{
intensity *= intensityBounceScale / 3.141592f;
specularIntensity = 0.0f;
}
parameters.Set(intensityKey, intensity);
parameters.Set(specularIntensityKey, specularIntensity);
if (traceAttribute != null)
{
lightVoxel.DiffuseMarcher?.ApplyMarchingParameters(parameters);
lightVoxel.SpecularMarcher?.ApplyMarchingParameters(parameters);
traceAttribute.ApplySamplingParameters(viewContext, parameters);
}
}
VoxelAttribute GetTraceAttr()
{
var lightVoxel = (LightVoxel)Light.Type;
ProcessedVoxelVolume processedVolume = GetProcessedVolume();
if (processedVolume is null)
{
return(null);
}
if (processedVolume.OutputAttributes.Count > lightVoxel.AttributeIndex)
{
return(processedVolume.OutputAttributes[lightVoxel.AttributeIndex]);
}
else
{
throw new ArgumentOutOfRangeException(
$"Tried to access attribute index {lightVoxel.AttributeIndex} (zero-indexed) when the " +
$"Voxel Volume Component has only {processedVolume.OutputAttributes.Count} attributes.");
}
}