internal static U[] Array <T, U>(Conversion <T, U> conv, Interface.DynamicArray <T> assimp) where T : System.IDisposable
{
U[] unity = null;
if (conv != null)
{
uint size = assimp.Size();
unity = new U[size];
for (uint i = 0; i < size; i++)
{
using (T assimp_element = assimp.Get(i))
{
unity[i] = conv(assimp_element);
}
}
}
return(unity);
}
//-------------------------------------------------------------------------------
internal static int[] Face(Interface.DynamicArray <aiFace> assimp, out MeshTopology topology)
{
uint size = assimp.Size();
topology = MeshTopology.Triangles;
uint nb_faces = 3;
if (size > 0)
{
// Get the topology from the first face (because option aiProcess_SortByPType is mandatory, all faces have the same topology)
using (aiFace face = assimp.Get(0))
{
using (aiUIntArray indices = face.Indices)
{
switch (indices.Size())
{
case 1:
topology = MeshTopology.Points;
nb_faces = 1;
break;
case 2:
topology = MeshTopology.Lines;
nb_faces = 2;
break;
default:
// Because option aiProcess_Triangulate is mandatory
topology = MeshTopology.Triangles;
nb_faces = 3;
break;
}
}
}
}
int[] unity = new int[size * nb_faces];
for (uint i = 0; i < size; i++)
{
using (aiFace face = assimp.Get(i))
{
using (aiUIntArray indices = face.Indices)
{
if (indices.Size() >= nb_faces)
{
for (uint j = 0; j < nb_faces; j++)
{
unity[i * nb_faces + j] = (int)indices.Get(j);
}
if (indices.Size() > nb_faces)
{
Debug.LogError("Too many vertices to compose a face. Some data is lost.");
}
}
else
{
Debug.LogError("Not enough vertices to compose a face.");
}
}
}
}
return(unity);
}