/// <summary>
/// Generate a new <see cref="DelayCommand"/>.
/// </summary>
/// <param name="bufferOffset">The target buffer offset.</param>
/// <param name="parameter">The delay parameter.</param>
/// <param name="state">The delay state.</param>
/// <param name="isEnabled">Set to true if the effect should be active.</param>
/// <param name="workBuffer">The work buffer to use for processing.</param>
/// <param name="nodeId">The node id associated to this command.</param>
/// <param name="newEffectChannelMappingSupported">If set to true, the new effect channel mapping for 5.1 is supported.</param>
public void GenerateDelayEffect(uint bufferOffset, DelayParameter parameter, Memory <DelayState> state, bool isEnabled, CpuAddress workBuffer, int nodeId, bool newEffectChannelMappingSupported)
{
if (parameter.IsChannelCountValid())
{
DelayCommand command = new DelayCommand(bufferOffset, parameter, state, isEnabled, workBuffer, nodeId, newEffectChannelMappingSupported);
command.EstimatedProcessingTime = _commandProcessingTimeEstimator.Estimate(command);
AddCommand(command);
}
}
public DelayState(ref DelayParameter parameter, ulong workBuffer)
{
DelayLines = new DelayLine[parameter.ChannelCount];
LowPassZ = new float[parameter.ChannelCount];
uint sampleRate = (uint)FixedPointHelper.ToInt(parameter.SampleRate, FixedPointPrecision) / 1000;
for (int i = 0; i < DelayLines.Length; i++)
{
DelayLines[i] = new DelayLine(sampleRate, parameter.DelayTimeMax);
DelayLines[i].SetDelay(parameter.DelayTime);
}
UpdateParameter(ref parameter);
}
public DelayCommand(uint bufferOffset, DelayParameter parameter, Memory <DelayState> state, bool isEnabled, ulong workBuffer, int nodeId)
{
Enabled = true;
NodeId = nodeId;
_parameter = parameter;
State = state;
WorkBuffer = workBuffer;
IsEffectEnabled = isEnabled;
InputBufferIndices = new ushort[Constants.VoiceChannelCountMax];
OutputBufferIndices = new ushort[Constants.VoiceChannelCountMax];
for (int i = 0; i < Parameter.ChannelCount; i++)
{
InputBufferIndices[i] = (ushort)(bufferOffset + Parameter.Input[i]);
OutputBufferIndices[i] = (ushort)(bufferOffset + Parameter.Output[i]);
}
}
public void UpdateParameter(ref DelayParameter parameter)
{
FeedbackGain = FixedPointHelper.ToFloat(parameter.FeedbackGain, FixedPointPrecision) * 0.98f;
float channelSpread = FixedPointHelper.ToFloat(parameter.ChannelSpread, FixedPointPrecision);
DelayFeedbackBaseGain = (1.0f - channelSpread) * FeedbackGain;
if (parameter.ChannelCount == 4 || parameter.ChannelCount == 6)
{
DelayFeedbackCrossGain = channelSpread * 0.5f * FeedbackGain;
}
else
{
DelayFeedbackCrossGain = channelSpread * FeedbackGain;
}
LowPassFeedbackGain = 0.95f * FixedPointHelper.ToFloat(parameter.LowPassAmount, FixedPointPrecision);
LowPassBaseGain = 1.0f - LowPassFeedbackGain;
}
public DelayCommand(uint bufferOffset, DelayParameter parameter, Memory <DelayState> state, bool isEnabled, ulong workBuffer, int nodeId, bool newEffectChannelMappingSupported)
{
Enabled = true;
NodeId = nodeId;
_parameter = parameter;
State = state;
WorkBuffer = workBuffer;
IsEffectEnabled = isEnabled;
InputBufferIndices = new ushort[Constants.VoiceChannelCountMax];
OutputBufferIndices = new ushort[Constants.VoiceChannelCountMax];
for (int i = 0; i < Parameter.ChannelCount; i++)
{
InputBufferIndices[i] = (ushort)(bufferOffset + Parameter.Input[i]);
OutputBufferIndices[i] = (ushort)(bufferOffset + Parameter.Output[i]);
}
// NOTE: We do the opposite as Nintendo here for now to restore previous behaviour
// TODO: Update delay processing and remove this to use RemapLegacyChannelEffectMappingToChannelResourceMapping.
DataSourceHelper.RemapChannelResourceMappingToLegacy(newEffectChannelMappingSupported, InputBufferIndices);
DataSourceHelper.RemapChannelResourceMappingToLegacy(newEffectChannelMappingSupported, OutputBufferIndices);
}
