public void Process()

in Networked Physics/Assets/Oculus/VR/Scripts/OVRHaptics.cs [146:254]
84 lines of code
22 McCabe index (conditional complexity)

		public void Process()
		{
			var hapticsState = OVRPlugin.GetControllerHapticsState(m_controller);

			float elapsedTime = Time.realtimeSinceStartup - m_prevSamplesQueuedTime;
			if (m_prevSamplesQueued > 0)
			{
				int expectedSamples = m_prevSamplesQueued - (int)(elapsedTime * OVRHaptics.Config.SampleRateHz + 0.5f);
				if (expectedSamples < 0)
					expectedSamples = 0;

				if ((hapticsState.SamplesQueued - expectedSamples) == 0)
					m_numPredictionHits++;
				else
					m_numPredictionMisses++;

				//Debug.Log(hapticsState.SamplesAvailable + "a " + hapticsState.SamplesQueued + "q " + expectedSamples + "e "
				//+ "Prediction Accuracy: " + m_numPredictionHits / (float)(m_numPredictionMisses + m_numPredictionHits));

				if ((expectedSamples > 0) && (hapticsState.SamplesQueued == 0))
				{
					m_numUnderruns++;
					//Debug.LogError("Samples Underrun (" + m_controller + " #" + m_numUnderruns + ") -"
					//        + " Expected: " + expectedSamples
					//        + " Actual: " + hapticsState.SamplesQueued);
				}

				m_prevSamplesQueued = hapticsState.SamplesQueued;
				m_prevSamplesQueuedTime = Time.realtimeSinceStartup;
			}

			int desiredSamplesCount = OVRHaptics.Config.OptimalBufferSamplesCount;
			if (m_lowLatencyMode)
			{
				float sampleRateMs = 1000.0f / (float)OVRHaptics.Config.SampleRateHz;
				float elapsedMs = elapsedTime * 1000.0f;
				int samplesNeededPerFrame = (int)Mathf.Ceil(elapsedMs / sampleRateMs);
				int lowLatencySamplesCount = OVRHaptics.Config.MinimumSafeSamplesQueued + samplesNeededPerFrame;

				if (lowLatencySamplesCount < desiredSamplesCount)
					desiredSamplesCount = lowLatencySamplesCount;
			}

			if (hapticsState.SamplesQueued > desiredSamplesCount)
				return;

			if (desiredSamplesCount > OVRHaptics.Config.MaximumBufferSamplesCount)
				desiredSamplesCount = OVRHaptics.Config.MaximumBufferSamplesCount;
			if (desiredSamplesCount > hapticsState.SamplesAvailable)
				desiredSamplesCount = hapticsState.SamplesAvailable;

			int acquiredSamplesCount = 0;
			int clipIndex = 0;
			while(acquiredSamplesCount < desiredSamplesCount && clipIndex < m_pendingClips.Count)
			{
				int numSamplesToCopy = desiredSamplesCount - acquiredSamplesCount;
				int remainingSamplesInClip = m_pendingClips[clipIndex].Clip.Count - m_pendingClips[clipIndex].ReadCount;
				if (numSamplesToCopy > remainingSamplesInClip)
					numSamplesToCopy = remainingSamplesInClip;

				if (numSamplesToCopy > 0)
				{
					int numBytes = numSamplesToCopy * OVRHaptics.Config.SampleSizeInBytes;
					int dstOffset = acquiredSamplesCount * OVRHaptics.Config.SampleSizeInBytes;
					int srcOffset = m_pendingClips[clipIndex].ReadCount * OVRHaptics.Config.SampleSizeInBytes;
					Marshal.Copy(m_pendingClips[clipIndex].Clip.Samples, srcOffset, m_nativeBuffer.GetPointer(dstOffset), numBytes);

					m_pendingClips[clipIndex].ReadCount += numSamplesToCopy;
					acquiredSamplesCount += numSamplesToCopy;
				}

				clipIndex++;
			}

			for (int i = m_pendingClips.Count - 1; i >= 0 && m_pendingClips.Count > 0; i--)
			{
				if (m_pendingClips[i].ReadCount >= m_pendingClips[i].Clip.Count)
					m_pendingClips.RemoveAt(i);
			}

			int desiredPadding = desiredSamplesCount - (hapticsState.SamplesQueued + acquiredSamplesCount);
			if (desiredPadding < (OVRHaptics.Config.MinimumBufferSamplesCount - acquiredSamplesCount))
				desiredPadding = (OVRHaptics.Config.MinimumBufferSamplesCount - acquiredSamplesCount);
			if (desiredPadding > hapticsState.SamplesAvailable)
				desiredPadding = hapticsState.SamplesAvailable;

			if (desiredPadding > 0)
			{
				int numBytes = desiredPadding * OVRHaptics.Config.SampleSizeInBytes;
				int dstOffset = acquiredSamplesCount * OVRHaptics.Config.SampleSizeInBytes;
				int srcOffset = 0;
				Marshal.Copy(m_paddingClip.Samples, srcOffset, m_nativeBuffer.GetPointer(dstOffset), numBytes);

				acquiredSamplesCount += desiredPadding;
			}

			if (acquiredSamplesCount > 0)
			{
				OVRPlugin.HapticsBuffer hapticsBuffer;
				hapticsBuffer.Samples = m_nativeBuffer.GetPointer();
				hapticsBuffer.SamplesCount = acquiredSamplesCount;
	
				OVRPlugin.SetControllerHaptics(m_controller, hapticsBuffer);

				hapticsState = OVRPlugin.GetControllerHapticsState(m_controller);
				m_prevSamplesQueued = hapticsState.SamplesQueued;
				m_prevSamplesQueuedTime = Time.realtimeSinceStartup;
			}
		}