public LdrBuilder Append(object part)
{
if (part is string str)
{
m_sb.Append(str);
}
else if (part is Color col)
{
m_sb.Append(Ldr.Colour(col));
}
else if (part is v4 vec4)
{
m_sb.Append(Ldr.Vec3(vec4));
}
else if (part is v2 vec2)
{
m_sb.Append(Ldr.Vec2(vec2));
}
else if (part is m4x4 o2w)
{
m_sb.Append(Ldr.Mat4x4(o2w));
}
else if (part is AxisId axisid)
{
m_sb.Append(Ldr.AxisId(axisid.Id));
}
else if (part is EAxisId axisid2)
{
m_sb.Append(Ldr.AxisId(axisid2));
}
else if (part is IEnumerable)
{
foreach (var x in (IEnumerable)part)
{
Append(" ").Append(x ?? string.Empty);
}
}
else if (part != null)
{
m_sb.Append(part.ToString());
}
return(this);
}
public LdrBuilder Mesh(string name, Colour32 colour, IList <v4>?verts, IList <v4>?normals = null, IList <Colour32>?colours = null, IList <v2>?tex = null, IList <ushort>?faces = null, IList <ushort>?lines = null, IList <ushort>?tetra = null, bool generate_normals = false, v4?position = null)
{
Append("*Mesh ", name, " ", colour, " {\n");
if (verts != null)
{
Append("*Verts {").Append(verts.Select(x => Ldr.Vec3(x))).Append("}\n");
}
if (normals != null)
{
Append("*Normals {").Append(normals.Select(x => Ldr.Vec3(x))).Append("}\n");
}
if (colours != null)
{
Append("*Colours {").Append(colours.Select(x => Ldr.Colour(x))).Append("}\n");
}
if (tex != null)
{
Append("*TexCoords {").Append(tex.Select(x => Ldr.Vec2(x))).Append("}\n");
}
if (verts != null && faces != null)
{
Debug.Assert(faces.All(i => i >= 0 && i < verts.Count)); Append("*Faces {").Append(faces).Append("}\n");
}
if (verts != null && lines != null)
{
Debug.Assert(lines.All(i => i >= 0 && i < verts.Count)); Append("*Lines {").Append(lines).Append("}\n");
}
if (verts != null && tetra != null)
{
Debug.Assert(tetra.All(i => i >= 0 && i < verts.Count)); Append("*Tetra {").Append(tetra).Append("}\n");
}
if (generate_normals)
{
Append("*GenerateNormals\n");
}
if (position != null)
{
Append(Ldr.Position(position.Value));
}
Append("}\n");
return(this);
}