network

type Callbacks interface {
	OnMsg(recvAddr *net.UDPAddr, msg *NetplayMsgType)
}

type Event struct {
	Type              TypeEvent
	Input             lib.GameInput
	SavedFrame        lib.SavedFrame
	Synchronizing     Synchronizing
	DisconnectTimeout int64
}

type GameStateType struct {
	PeerConnectStatus []ggponet.ConnectStatus
	StartFrame        int64
	Checksum          int64
}

type HdrType struct {
	Magic          uint64
	SequenceNumber uint64
	Type           MsgType
}

type InputAckType struct {
	AckFrame int64
}

type InputType struct {
	PeerConnectStatus   []ggponet.ConnectStatus
	StartFrame          int64
	DisconnectRequested bool
	AckFrame            int64
	NumBits             int64
	InputSize           int64  // XXX: shouldn't be in every single packet!
	Bits                []byte /* must be last */
}

type MsgType int64

type Netplay struct {
	Callbacks             *Callbacks
	Conn                  *net.UDPConn
	LocalAddr             *net.UDPAddr
	RemoteAddr            *net.UDPAddr
	Queue                 int64
	LastReceivedInput     lib.GameInput
	LastAckedInput        lib.GameInput
	LastSentInput         lib.GameInput
	LocalConnectStatus    []ggponet.ConnectStatus
	LocalFrameAdvantage   int64
	RemoteFrameAdvantage  int64
	RoundTripTime         int64
	PeerConnectStatus     []ggponet.ConnectStatus
	TimeSync              lib.TimeSync
	CurrentState          State
	PendingOutput         lib.RingBuffer
	LastSendTime          uint64
	MagicNumber           uint64
	RemoteMagicNumber     uint64
	Connected             bool
	NextSendSeq           uint64
	SendQueue             lib.RingBuffer
	EventQueue            lib.RingBuffer
	SendLatency           int64
	OopPercent            int64
	OoPacket              OoPacket
	NetplayState          StateType
	ReceiveChannel        chan NetplayMsgType
	ReceiveAddr           chan *net.UDPAddr
	DisconnectNotifyStart int64
	DisconnectNotifySent  bool
	NextRecvSeq           uint64
	DisconnectTimeout     int64
	DisconnectEventSent   bool
	LastRecvTime          uint64
	ShutDownTimeout       int64
	StatsStartTime        uint64
	KbpsSent              int64
	BytesSent             int64
	PacketsSent           int64
	IsInitialized         bool
}

type NetplayMsgType struct {
	ConnectStatus ggponet.ConnectStatus
	Hdr           HdrType
	SyncRequest   SyncRequestType
	SyncReply     SyncReplyType
	QualityReport QualityReportType
	QualityReply  QualityReplyType
	Input         InputType
	InputAck      InputAckType
	GameState     GameStateType
}

type OoPacket struct {
	SendTime uint64
	DestAddr *net.UDPAddr
	Msg      *NetplayMsgType
}

type QualityReplyType struct {
	Pong int64
}

type QualityReportType struct {
	FrameAdvantage int64 /* what's the other guy's frame advantage? */
	Ping           int64
}

type QueueEntry struct {
	QueueTime uint64
	DestAddr  *net.UDPAddr
	Msg       *NetplayMsgType
}

type RunningType struct {
	LastQualityReportTime    uint64
	LastNetworkStatsInterval uint64
	LastInputPacketRecvTime  uint64
}

type State int64

type StateType struct {
	Sync    SyncType
	Running RunningType
}

type SyncReplyType struct {
	RandomReply uint64 /* OK, here's your random data back */
}

type SyncRequestType struct {
	RandomRequest   uint64 /* please reply back with this random data */
	RemoteMagic     int64
	RemoteEndpoints int64
}

type SyncType struct {
	RoundTripsRemaining uint64
	Random              uint64
}

type Synchronizing struct {
	Total int64
	Count int64
}

type TypeEvent int64