//-------------------------------------------------------------------------------
internal static void Face(int[] unity, MeshTopology topology, Interface.Array <aiFace> assimp)
{
uint nb_faces = 0;
switch (topology)
{
case MeshTopology.Points:
nb_faces = 1;
break;
case MeshTopology.Lines:
nb_faces = 2;
break;
case MeshTopology.Triangles:
nb_faces = 3;
break;
case MeshTopology.Quads:
nb_faces = 4;
break;
default:
Debug.LogErrorFormat("Unsupported topology '{0}' in assimp export.", topology);
break;
}
assimp.Clear();
if (nb_faces > 0)
{
long size = unity.Length / nb_faces;
uint i = 0;
for (; i < size; i++)
{
using (aiFace face = new aiFace())
{
using (aiUIntArray indices = face.Indices)
{
for (uint j = 0; j < nb_faces; j++)
{
indices.Set(j, (uint)unity[i * nb_faces + j]);
}
assimp.Set(i, face.Unmanaged());
}
}
}
if (i * nb_faces != unity.Length)
{
Debug.LogError("Invalid number of vertices to compose the faces.");
}
}
}
internal static void Array <T, U>(Conversion <T, U> conv, T[] unity, Interface.Array <U> assimp) where U : Interface.Unmanagable <U>, System.IDisposable
{
int size = unity.Length;
assimp.Clear();
for (uint i = 0; i < size; i++)
{
using (U assimp_element = conv(unity[i]))
{
assimp.Set(i, assimp_element.Unmanaged());
}
}
}