public static void Mesh(this LdrBuilder ldr, string name, Colour32 colour, View3d.EGeom geom, IList <View3d.Vertex> verts, IList <ushort>?faces = null, IList <ushort>?lines = null, IList <ushort>?tetra = null, bool generate_normals = false, v4?position = null)
{
ldr.Append("*Mesh ", name, " ", colour, " {\n");
if ((geom & View3d.EGeom.Vert) != 0)
{
ldr.Append("*Verts {").Append(verts.Select(x => Ldr.Vec3(x.m_pos))).Append("}\n");
}
if ((geom & View3d.EGeom.Norm) != 0)
{
ldr.Append("*Normals {").Append(verts.Select(x => Ldr.Vec3(x.m_norm))).Append("}\n");
}
if ((geom & View3d.EGeom.Colr) != 0)
{
ldr.Append("*Colours {").Append(verts.Select(x => Ldr.Colour(x.m_col))).Append("}\n");
}
if ((geom & View3d.EGeom.Tex0) != 0)
{
ldr.Append("*TexCoords {").Append(verts.Select(x => Ldr.Vec2(x.m_uv))).Append("}\n");
}
if (faces != null)
{
Debug.Assert(faces.All(i => i >= 0 && i < verts.Count)); ldr.Append("*Faces {").Append(faces).Append("}\n");
}
if (lines != null)
{
Debug.Assert(lines.All(i => i >= 0 && i < verts.Count)); ldr.Append("*Lines {").Append(lines).Append("}\n");
}
if (tetra != null)
{
Debug.Assert(tetra.All(i => i >= 0 && i < verts.Count)); ldr.Append("*Tetra {").Append(tetra).Append("}\n");
}
if (generate_normals)
{
ldr.Append("*GenerateNormals\n");
}
if (position != null)
{
ldr.Append(Ldr.Position(position.Value));
}
ldr.Append("}\n");
}
