public void Write(Stream stream)
{
// TODO: validate in debug mode that this is producing the current data model. Look at the schema!
stream.WriteBFastHeader(Header);
stream.WriteBFastBody(Header, Names, Sizes, (_stream, index, name, size) =>
{
switch (name)
{
case "meta":
_stream.Write(Meta);
break;
case VimConstants.G3dLegacySchema.Position:
Geometries.ForEach(g => stream.Write(g.Vertices.ToArray()));
break;
case "g3d:vertex:color:0:float32:4":
if (UseColors)
{
Geometries.ForEach(g => stream.Write(g.Colors.ToArray()));
}
break;
case VimConstants.G3dLegacySchema.Index:
for (var i = 0; i < Geometries.Count; ++i)
{
var g = Geometries[i];
var offset = VertexOffsets[i];
stream.Write(g.Indices.Select(idx => idx + offset).ToArray());
}
break;
case VimConstants.G3dLegacySchema.Uv:
Geometries.ForEach(g => stream.Write(g.UVs.ToArray()));
break;
case VimConstants.G3dLegacySchema.MaterialId:
Geometries.ForEach(g => stream.Write(g.MaterialIds.ToArray()));
break;
case VimConstants.G3dLegacySchema.GroupId:
Geometries.ForEach(g => stream.Write(g.FaceGroupIds.ToArray()));
break;
case VimConstants.G3dLegacySchema.IndexOffset:
stream.Write(IndexOffsets);
break;
case VimConstants.G3dLegacySchema.VertexOffset:
stream.Write(VertexOffsets);
break;
default:
throw new Exception($"Not a recognized geometry buffer: {name}");
}
return(size);
});
}
public void Bind(int shaderProgram, int textureLoc, int haveTextureLoc, int ambientLoc, int diffuseLoc, int specularLoc, int shininessLoc)
{
Geometries.ForEach(g => g.Bind(shaderProgram));
Materials.ForEach(m => m.Bind(textureLoc, haveTextureLoc, ambientLoc, diffuseLoc, specularLoc, shininessLoc));
}
public void Render()
{
Geometries.ForEach(g => g.Render());
}
public void CreateVBOs()
{
Geometries.ForEach(g => g.CreateVBOs());
}