private unsafe void EnsureCreated(BrModel *model)
{
if (model->NumPreparedFaces == 0 || model->NumPreparedVertices == 0 || indexBuffer != null || vertexBuffer != null)
{
return;
}
vertexBuffer = CreateVertexBuffer(model);
indexBuffer = CreateIndexBuffer(model);
}
public unsafe void Render(BrModel *model)
{
EnsureCreated(model);
GraphicsDevice.SetVertexBuffer(vertexBuffer);
GraphicsDevice.Indices = indexBuffer;
if (indexBuffer != null)
{
GraphicsDevice.DrawIndexedPrimitives(PrimitiveType.TriangleList, 0, 0, indexBuffer.IndexCount / 3);
}
}
private void RenderModel(BrActor *node, BrModel *model, BrMaterial *material, Matrix world, BrRenderStyles renderStyle)
{
// TODO: Use renderStyle to affect the way we render
BasicEffect.World = world;
BasicEffect.DiffuseColor = Color.White.ToVector3(); // RandomColor().ToVector3();
var m = ResolveModel(model);
foreach (var p in BasicEffect.CurrentTechnique.Passes)
{
p.Apply();
m.Render(model);
}
}
private unsafe VertexBuffer CreateVertexBuffer(BrModel *model)
{
var verts = new VertexPositionNormalTexture[model->NumPreparedVertices];
for (int i = 0; i < verts.Length; i++)
{
var v = model->PreparedVertices[i];
verts[i] = new VertexPositionNormalTexture(Helper.XNAVector3FromBrVector3(&v.Position), Helper.XNAVector3FromBrFVector3(&v.Normal), Helper.XNAVector2FromBrVector2(&v.TextureCoordinate));
}
var vertexBuffer = new VertexBuffer(GraphicsDevice, typeof(VertexPositionNormalTexture), verts.Length, BufferUsage.WriteOnly);
vertexBuffer.SetData(verts);
return(vertexBuffer);
}
private unsafe IndexBuffer CreateIndexBuffer(BrModel *model)
{
var indices = new ushort[model->NumPreparedFaces * 3];
for (int f = 0, i = 0; i < indices.Length; f++, i += 3)
{
var face = model->PreparedFaces[f];
indices[i] = face.A;
indices[i + 1] = face.B;
indices[i + 2] = face.C;
}
var indexBuffer = new IndexBuffer(GraphicsDevice, typeof(ushort), indices.Length, BufferUsage.WriteOnly);
indexBuffer.SetData(indices);
return(indexBuffer);
}
private static MODL ResolveModel(BrModel *model)
{
return(NativeObject.FromPointer <MODL>(new IntPtr(*(void **)model->Identifier)));
}