func (buf *IndexBuffer) Unpack(res *resource.Container) error {
buf.Stride = 3 * 2 // 3*uint16 /* is this stored anywhere? */
res.Parse(&buf.IndexHeader)
buf.Index = make([]*types.Tri, buf.Count/3)
for i := range buf.Index {
buf.Index[i] = new(types.Tri)
}
if err := res.Detour(buf.Buffer, func() error {
buffer := make([]byte, buf.Stride)
reader := bytes.NewReader(buffer)
for _, idx := range buf.Index {
/* Read the index into our local buffer */
if size, err := res.Read(buffer); size != buf.Stride || err != nil {
return err
}
/* Parse out the info we can */
if err := binary.Read(reader, binary.BigEndian, idx); err != nil {
return err
}
reader.Seek(0, 0)
}
return nil
}); err != nil {
return err
}
return nil
}
func (vert *Vertex) Unpack(res *resource.Container, buf *VertexBuffer) error {
buffer := make([]byte, buf.Stride)
reader := bytes.NewReader(buffer)
/* Read the vertex into our local buffer */
if size, err := res.Read(buffer); uint16(size) != buf.Stride || err != nil {
return err
}
offset := 0
/* Parse out the info we can */
if buf.Format.Has(export.VertXYZ) {
if err := binary.Read(reader, binary.BigEndian, &vert.WorldCoord); err != nil {
return err
}
offset += (4 * 3)
}
if buf.Format.Has(export.VertUnkA) {
junk := make([]byte, 4)
reader.Read(junk)
offset += 4
}
if buf.Format.Has(export.VertUnkB) {
junk := make([]byte, 4)
reader.Read(junk)
offset += 4
}
if buf.Format.Has(export.VertUnkC) {
junk := make([]byte, 4)
reader.Read(junk)
offset += 4
}
if buf.Format.Has(export.VertColour) {
if err := binary.Read(reader, binary.BigEndian, &vert.Colour); err != nil {
return err
}
offset += 4
}
if buf.Format.Has(export.VertUnkD) {
junk := make([]byte, 4)
reader.Read(junk)
offset += 4
}
if buf.Format.Has(export.VertUV0) {
if err := binary.Read(reader, binary.BigEndian, &vert.UV0); err != nil {
return err
}
offset += 4
}
if buf.Format.Has(export.VertUV1) {
if err := binary.Read(reader, binary.BigEndian, &vert.UV1); err != nil {
return err
}
offset += 4
}
if buf.Format.Has(export.VertUnkX) {
junk := make([]byte, 4)
reader.Read(junk)
offset += 4
}
return nil
}