// Monogame's BasicEffect uses Phong's shading, while glTF uses PBR shading, so
// given monogame's limitations, we try to guess the most appropiate values
// to have a reasonably good looking renders.
public Effect UseRigidEffect(Schema2.Material srcMaterial)
{
if (_Device == null)
{
throw new InvalidOperationException();
}
if (srcMaterial == null)
{
if (_DefaultRigid == null)
{
_DefaultRigid = new BasicEffect(_Device);
_Disposables.AddDisposable(_DefaultRigid);
}
return(_DefaultRigid);
}
if (_RigidEffects.TryGetValue(srcMaterial, out Effect dstMaterial))
{
return(dstMaterial);
}
dstMaterial = srcMaterial.Alpha == Schema2.AlphaMode.MASK ? CreateAlphaTestEffect(srcMaterial) : CreateBasicEffect(srcMaterial);
_RigidEffects[srcMaterial] = dstMaterial;
return(dstMaterial);
}
public Texture2D UseTexture(Memory.MemoryImage image, string name = null)
{
if (_Device == null)
{
throw new InvalidOperationException();
}
if (!image.IsValid)
{
return(null);
}
if (_Textures.TryGetValue(image, out Texture2D tex))
{
return(tex);
}
using (var m = image.Open())
{
tex = Texture2D.FromStream(_Device, m);
_Disposables.AddDisposable(tex);
tex.Name = name;
_Textures[image] = tex;
return(tex);
}
}
private VertexBuffer CreateVertexBuffer <T>(T[] dstVertices) where T : struct, IVertexType
{
var vb = new VertexBuffer(_Device, typeof(T), dstVertices.Length, BufferUsage.None);
_Disposables.AddDisposable(vb);
vb.SetData(dstVertices);
return(vb);
}
