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package clientdata
import (
"github.com/osm/quake/common/buffer"
"github.com/osm/quake/common/context"
"github.com/osm/quake/protocol"
)
type Command struct {
Bits uint16
ViewHeight byte
IdealPitch byte
PunchAngle [3]byte
Velocity [3]byte
Items uint32
WeaponFrame byte
Armor byte
Weapon byte
Health uint16
ActiveAmmo byte
AmmoShells byte
AmmoNails byte
AmmoRockets byte
AmmoCells byte
ActiveWeapon byte
}
func (cmd *Command) Bytes() []byte {
buf := buffer.New()
buf.PutByte(protocol.SVCClientData)
buf.PutUint16(cmd.Bits)
if cmd.Bits&protocol.SUViewHeight != 0 {
buf.PutByte(cmd.ViewHeight)
}
if cmd.Bits&protocol.SUIdealPitch != 0 {
buf.PutByte(cmd.IdealPitch)
}
for i := 0; i < 3; i++ {
if cmd.Bits&(protocol.SUPunch1<<i) != 0 {
buf.PutByte(cmd.PunchAngle[i])
}
if cmd.Bits&(protocol.SUVelocity1<<i) != 0 {
buf.PutByte(cmd.Velocity[i])
}
}
if cmd.Bits&protocol.SUItems != 0 {
buf.PutUint32(cmd.Items)
}
if cmd.Bits&protocol.SUWeaponFrame != 0 {
buf.PutByte(cmd.WeaponFrame)
}
if cmd.Bits&protocol.SUArmor != 0 {
buf.PutByte(cmd.Armor)
}
if cmd.Bits&protocol.SUWeapon != 0 {
buf.PutByte(cmd.Weapon)
}
buf.PutUint16(cmd.Health)
buf.PutByte(cmd.ActiveAmmo)
buf.PutByte(cmd.AmmoShells)
buf.PutByte(cmd.AmmoNails)
buf.PutByte(cmd.AmmoRockets)
buf.PutByte(cmd.AmmoCells)
buf.PutByte(cmd.ActiveWeapon)
return buf.Bytes()
}
func Parse(ctx *context.Context, buf *buffer.Buffer) (*Command, error) {
var err error
var cmd Command
if cmd.Bits, err = buf.GetUint16(); err != nil {
return nil, err
}
if cmd.Bits&protocol.SUViewHeight != 0 {
if cmd.ViewHeight, err = buf.ReadByte(); err != nil {
return nil, err
}
}
if cmd.Bits&protocol.SUIdealPitch != 0 {
if cmd.IdealPitch, err = buf.ReadByte(); err != nil {
return nil, err
}
}
for i := 0; i < 3; i++ {
if cmd.Bits&(protocol.SUPunch1<<i) != 0 {
if cmd.PunchAngle[i], err = buf.ReadByte(); err != nil {
return nil, err
}
}
if cmd.Bits&(protocol.SUVelocity1<<i) != 0 {
if cmd.Velocity[i], err = buf.ReadByte(); err != nil {
return nil, err
}
}
}
if cmd.Items, err = buf.GetUint32(); err != nil {
return nil, err
}
if cmd.Bits&protocol.SUWeaponFrame != 0 {
if cmd.WeaponFrame, err = buf.ReadByte(); err != nil {
return nil, err
}
}
if cmd.Bits&protocol.SUArmor != 0 {
if cmd.Armor, err = buf.ReadByte(); err != nil {
return nil, err
}
}
if cmd.Bits&protocol.SUWeapon != 0 {
if cmd.Weapon, err = buf.ReadByte(); err != nil {
return nil, err
}
}
if cmd.Health, err = buf.GetUint16(); err != nil {
return nil, err
}
if cmd.ActiveAmmo, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.AmmoShells, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.AmmoNails, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.AmmoRockets, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.AmmoCells, err = buf.ReadByte(); err != nil {
return nil, err
}
if cmd.ActiveWeapon, err = buf.ReadByte(); err != nil {
return nil, err
}
return &cmd, nil
}
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