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package clc
import (
"errors"
"github.com/osm/quake/common/buffer"
"github.com/osm/quake/common/context"
"github.com/osm/quake/packet/command"
"github.com/osm/quake/packet/command/bad"
"github.com/osm/quake/packet/command/delta"
"github.com/osm/quake/packet/command/ftevoicechatc"
"github.com/osm/quake/packet/command/move"
"github.com/osm/quake/packet/command/mvdweapon"
"github.com/osm/quake/packet/command/nopc"
"github.com/osm/quake/packet/command/stringcmd"
"github.com/osm/quake/packet/command/tmove"
"github.com/osm/quake/packet/command/upload"
"github.com/osm/quake/protocol"
"github.com/osm/quake/protocol/fte"
"github.com/osm/quake/protocol/mvd"
)
var ErrUnknownCommandType = errors.New("unknown command type")
type GameData struct {
Seq uint32
Ack uint32
QPort uint16
Commands []command.Command
}
func (gd *GameData) Bytes() []byte {
buf := buffer.New()
buf.PutUint32(gd.Seq)
buf.PutUint32(gd.Ack)
buf.PutUint16(gd.QPort)
for _, c := range gd.Commands {
buf.PutBytes(c.Bytes())
}
return buf.Bytes()
}
func parseGameData(ctx *context.Context, buf *buffer.Buffer) (*GameData, error) {
var err error
var pkg GameData
if pkg.Seq, err = buf.GetUint32(); err != nil {
return nil, err
}
if pkg.Ack, err = buf.GetUint32(); err != nil {
return nil, err
}
if pkg.QPort, err = buf.GetUint16(); err != nil {
return nil, err
}
var cmd command.Command
for buf.Off() < buf.Len() {
typ, err := buf.ReadByte()
if err != nil {
return nil, err
}
switch protocol.CommandType(typ) {
case protocol.CLCBad:
cmd, err = bad.Parse(ctx, buf, protocol.CLCBad)
case protocol.CLCNOP:
cmd, err = nopc.Parse(ctx, buf)
case protocol.CLCDoubleMove:
case protocol.CLCMove:
cmd, err = move.Parse(ctx, buf)
case protocol.CLCStringCmd:
cmd, err = stringcmd.Parse(ctx, buf)
case protocol.CLCDelta:
cmd, err = delta.Parse(ctx, buf)
case protocol.CLCTMove:
cmd, err = tmove.Parse(ctx, buf)
case protocol.CLCUpload:
cmd, err = upload.Parse(ctx, buf)
case fte.CLCVoiceChat:
cmd, err = ftevoicechatc.Parse(ctx, buf)
case mvd.CLCWeapon:
cmd, err = mvdweapon.Parse(ctx, buf)
default:
return nil, ErrUnknownCommandType
}
if err != nil {
return nil, err
}
pkg.Commands = append(pkg.Commands, cmd)
}
return &pkg, nil
}
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