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package baseline
import (
"github.com/osm/quake/common/buffer"
"github.com/osm/quake/common/context"
)
type Command struct {
AngleSize uint8
CoordSize uint8
ModelIndex byte
Frame byte
ColorMap byte
SkinNum byte
Coord [3]float32
Angle [3]float32
}
func (cmd *Command) Bytes() []byte {
buf := buffer.New()
writeAngle := buf.PutAngle8
if cmd.AngleSize == 2 {
writeAngle = buf.PutAngle16
}
writeCoord := buf.PutCoord16
if cmd.CoordSize == 4 {
writeCoord = buf.PutCoord32
}
buf.PutByte(cmd.ModelIndex)
buf.PutByte(cmd.Frame)
buf.PutByte(cmd.ColorMap)
buf.PutByte(cmd.SkinNum)
for i := 0; i < 3; i++ {
writeCoord(cmd.Coord[i])
writeAngle(cmd.Angle[i])
}
return buf.Bytes()
}
func Parse(ctx *context.Context, buf *buffer.Buffer) (*Command, error) {
var err error
var cmd Command
cmd.AngleSize = ctx.GetAngleSize()
readAngle := buf.GetAngle8
if cmd.AngleSize == 2 {
readAngle = buf.GetAngle16
}
cmd.CoordSize = ctx.GetCoordSize()
readCoord := buf.GetCoord16
if cmd.CoordSize == 4 {
readCoord = buf.GetCoord32
}
if cmd.ModelIndex, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.Frame, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.ColorMap, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.SkinNum, err = buf.ReadByte(); err != nil {
return nil, err
}
for i := 0; i < 3; i++ {
if cmd.Coord[i], err = readCoord(); err != nil {
return nil, err
}
if cmd.Angle[i], err = readAngle(); err != nil {
return nil, err
}
}
return &cmd, nil
}
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