/// <summary>
/// Frees unmanaged memory created by <see cref="IMarshalable{Mesh, AiMesh}.ToNative"/>.
/// </summary>
/// <param name="nativeValue">Native value to free</param>
/// <param name="freeNative">True if the unmanaged memory should be freed, false otherwise.</param>
public static void FreeNative(IntPtr nativeValue, bool freeNative)
{
if (nativeValue == IntPtr.Zero)
{
return;
}
AiMesh aiMesh = MemoryHelper.Read <AiMesh>(nativeValue);
if (aiMesh.NumVertices > 0)
{
if (aiMesh.Vertices != IntPtr.Zero)
{
MemoryHelper.FreeMemory(aiMesh.Vertices);
}
if (aiMesh.Normals != IntPtr.Zero)
{
MemoryHelper.FreeMemory(aiMesh.Normals);
}
if (aiMesh.Tangents != IntPtr.Zero)
{
MemoryHelper.FreeMemory(aiMesh.Tangents);
}
if (aiMesh.BiTangents != IntPtr.Zero)
{
MemoryHelper.FreeMemory(aiMesh.BiTangents);
}
//Vertex Color channels
for (int i = 0; i < aiMesh.Colors.Length; i++)
{
IntPtr colorPtr = aiMesh.Colors[i];
if (colorPtr != IntPtr.Zero)
{
MemoryHelper.FreeMemory(colorPtr);
}
}
//Texture coordinate channels
for (int i = 0; i < aiMesh.TextureCoords.Length; i++)
{
IntPtr texCoordsPtr = aiMesh.TextureCoords[i];
if (texCoordsPtr != IntPtr.Zero)
{
MemoryHelper.FreeMemory(texCoordsPtr);
}
}
}
//Faces
if (aiMesh.NumFaces > 0 && aiMesh.Faces != IntPtr.Zero)
{
MemoryHelper.FreeNativeArray <AiFace>(aiMesh.Faces, (int)aiMesh.NumFaces, Face.FreeNative);
}
//Bones
if (aiMesh.NumBones > 0 && aiMesh.Bones != IntPtr.Zero)
{
MemoryHelper.FreeNativeArray <AiBone>(aiMesh.Bones, (int)aiMesh.NumBones, Bone.FreeNative, true);
}
//Attachment meshes
if (aiMesh.NumAnimMeshes > 0 && aiMesh.AnimMeshes != IntPtr.Zero)
{
MemoryHelper.FreeNativeArray <AiAnimMesh>(aiMesh.AnimMeshes, (int)aiMesh.NumAnimMeshes, MeshAnimationAttachment.FreeNative, true);
}
if (freeNative)
{
MemoryHelper.FreeMemory(nativeValue);
}
}