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|
package mvd
import (
"github.com/osm/quake/common/buffer"
"github.com/osm/quake/common/context"
)
type UserCommand struct {
size uint32
Data []byte
PlayerIndex byte
DropIndex byte
Msec byte
Angle [3]float32
Forward uint16
Side uint16
Up uint16
Buttons byte
Impulse byte
}
func (cmd *UserCommand) Bytes() []byte {
if cmd.size != 23 {
return cmd.Data
}
buf := buffer.New()
buf.PutByte(cmd.PlayerIndex)
buf.PutByte(cmd.DropIndex)
buf.PutByte(cmd.Msec)
for _, a := range cmd.Angle {
buf.PutFloat32(a)
}
buf.PutUint16(cmd.Forward)
buf.PutUint16(cmd.Side)
buf.PutUint16(cmd.Up)
buf.PutByte(cmd.Buttons)
buf.PutByte(cmd.Impulse)
return buf.Bytes()
}
func parseUserCommand(ctx *context.Context, buf *buffer.Buffer, size uint32) (*UserCommand, error) {
var err error
var cmd UserCommand
cmd.size = size
if cmd.size != 23 {
if cmd.Data, err = buf.GetBytes(int(cmd.size)); err != nil {
return nil, err
}
goto end
}
if cmd.PlayerIndex, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.DropIndex, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.Msec, err = buf.ReadByte(); err != nil {
return nil, err
}
for i := 0; i < 3; i++ {
if cmd.Angle[i], err = buf.GetFloat32(); err != nil {
return nil, err
}
}
if cmd.Forward, err = buf.GetUint16(); err != nil {
return nil, err
}
if cmd.Side, err = buf.GetUint16(); err != nil {
return nil, err
}
if cmd.Up, err = buf.GetUint16(); err != nil {
return nil, err
}
if cmd.Buttons, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.Impulse, err = buf.ReadByte(); err != nil {
return nil, err
}
end:
return &cmd, nil
}
|
