unsafe private void UpdateMeshPart(MVGraphAPI.MeshData meshData)
{
if (!m_meshPart)
{
m_meshPart = CreateNewMeshPart();
}
UInt32 collectionsCapacity = GetMinimalMeshCollectionsCapacity(meshData);
MvxUtils.EnsureCollectionMinimalCapacity <Vector3>(ref m_meshPartVertices, collectionsCapacity);
fixed(Vector3 *verticesPtr = m_meshPartVertices)
meshData.CopyVerticesRaw((IntPtr)verticesPtr);
if (!IgnoreNormals())
{
MvxUtils.EnsureCollectionMinimalCapacity <Vector3>(ref m_meshPartNormals, collectionsCapacity);
fixed(Vector3 *normalsPtr = m_meshPartNormals)
meshData.CopyNormalsRaw((IntPtr)normalsPtr);
}
if (!IgnoreColors())
{
MvxUtils.EnsureCollectionMinimalCapacity <Color32>(ref m_meshPartColors, collectionsCapacity);
fixed(Color32 *colorsPtr = m_meshPartColors)
meshData.CopyColorsRGBARaw((IntPtr)colorsPtr);
}
if (!IgnoreUVs())
{
MvxUtils.EnsureCollectionMinimalCapacity <Vector2>(ref m_meshPartUVs, collectionsCapacity);
fixed(Vector2 *uvsPtr = m_meshPartUVs)
meshData.CopyUVsRaw((IntPtr)uvsPtr);
}
UInt32 meshIndicesCount = GetFrameMeshIndicesCount(meshData);
if (meshIndicesCount == 0)
{
m_meshPart.gameObject.SetActive(false);
return;
}
MvxUtils.EnsureCollectionMinimalCapacity <Int32>(ref m_meshPartIndices, meshIndicesCount);
CopyMeshIndicesToCollection(meshData, m_meshPartIndices);
MVGraphAPI.MeshIndicesMode meshIndicesMode = GetFrameIndicesMode(meshData);
// fill the unused trailing of the indices collection with the last used index
Int32 unusedIndicesValue = m_meshPartIndices[(Int32)meshIndicesCount - 1];
for (UInt32 unusedIndex = meshIndicesCount; unusedIndex < m_meshPartIndices.Length; unusedIndex++)
{
m_meshPartIndices[unusedIndex] = unusedIndicesValue;
}
m_meshPart.UpdateMesh(m_meshPartVertices, m_meshPartNormals, m_meshPartColors, m_meshPartUVs, m_meshPartIndices, IndicesModeToMeshTopology(meshIndicesMode));
m_meshPart.gameObject.SetActive(true);
}
public void Reset(float[] newData, UInt32 newChannelsCount, UInt32 newSampleRate)
{
MvxUtils.EnsureCollectionMinimalCapacity(ref m_data, (UInt32)newData.Length);
Array.Copy(newData, m_data, newData.Length);
m_dataSize = newData.Length;
m_channelsCount = newChannelsCount;
m_sampleRate = newSampleRate;
}
private static int ConvertUnsignedByteDataToFloats(byte[] byteData, ref float[] floatData)
{
MvxUtils.EnsureCollectionMinimalCapacity(ref floatData, (UInt32)byteData.Length);
for (int index = 0; index < byteData.Length; index++)
{
floatData[index] = (float)byteData[index] / (float)byte.MaxValue;
// transform range from <0, 1> to <-1, 1> (see PCM format standard)
floatData[index] = floatData[index] * 2f - 1f;
}
return(byteData.Length);
}
private static int ConvertSignedFloatDataToFloats(byte[] byteData, ref float[] floatData)
{
if (byteData.Length % 4 != 0)
{
throw new System.ArgumentException("Bytes array does not contain valid count of bytes");
}
int floatDataLength = byteData.Length / 4;
MvxUtils.EnsureCollectionMinimalCapacity(ref floatData, (UInt32)floatDataLength);
for (int floatDataIndex = 0; floatDataIndex < floatDataLength; floatDataIndex++)
{
int byteDataIndex = floatDataIndex * 4;
Buffer.BlockCopy(byteData, byteDataIndex, floatAuxValue, 0, 4);
// value is supposed to be in range <-1, 1> already (see PCM format standard)
floatData[floatDataIndex] = floatAuxValue[0];
}
return(floatDataLength);
}
private static int ConvertSignedShortDataToFloats(byte[] byteData, ref float[] floatData)
{
if (byteData.Length % 2 != 0)
{
throw new System.ArgumentException("Bytes array does not contain valid count of bytes");
}
int floatDataLength = byteData.Length / 2;
MvxUtils.EnsureCollectionMinimalCapacity(ref floatData, (UInt32)floatDataLength);
for (int floatDataIndex = 0; floatDataIndex < floatDataLength; floatDataIndex++)
{
int byteDataIndex = floatDataIndex * 2;
Buffer.BlockCopy(byteData, byteDataIndex, shortAuxValue, 0, 2);
short shortValue = shortAuxValue[0];
floatData[floatDataIndex] = (float)shortValue / (float)short.MaxValue;
}
return(floatDataLength);
}
