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package multiplayer
import (
"slices"
"time"
"github.com/boozec/rahanna/internal/logger"
"github.com/boozec/rahanna/pkg/p2p"
"go.uber.org/zap"
)
type MoveType string
const (
AbandonGameMessage MoveType = "abandon"
MoveGameMessage MoveType = "new-move"
RestoreAckGameMessage MoveType = "restore-ack"
RestoreGameMessage MoveType = "restore"
)
type GameMove struct {
Source p2p.NetworkID `json:"source"`
Type []byte `json:"type"`
Payload []byte `json:"payload"`
}
type GameNetwork struct {
server *p2p.TCPNetwork
me p2p.NetworkID
peers []p2p.NetworkID
}
// Wrapper to a `TCPNetwork`
func NewGameNetwork(localID string, address string, onHandshake p2p.NetworkHandshakeFunc, onFirstHandshake p2p.NetworkHandshakeFunc, logger *zap.Logger) *GameNetwork {
opts := p2p.TCPNetworkOpts{
ListenAddr: address,
HandshakeFn: onHandshake,
FirstHandshakeFn: onFirstHandshake,
RetryDelay: time.Second * 2,
Logger: logger,
}
server := p2p.NewTCPNetwork(p2p.NetworkID(localID), opts)
return &GameNetwork{
server: server,
me: p2p.NetworkID(localID),
}
}
func (n *GameNetwork) Peers() []p2p.NetworkID {
return n.peers
}
func (n *GameNetwork) Me() p2p.NetworkID {
return n.me
}
// Send a message to all peers
func (n *GameNetwork) SendAll(messageType []byte, payload []byte) error {
for _, peer := range n.peers {
n.server.Send(peer, messageType, payload)
}
return nil
}
// Send a message to only one peer
func (n *GameNetwork) Send(peer p2p.NetworkID, messageType []byte, payload []byte) error {
return n.server.Send(peer, messageType, payload)
}
func (n *GameNetwork) AddPeer(remoteID p2p.NetworkID, addr string) {
if exists := slices.Contains(n.peers, remoteID); !exists {
n.peers = append(n.peers, remoteID)
}
n.server.AddPeer(remoteID, addr)
}
func (n *GameNetwork) AddReceiveFunction(f p2p.NetworkMessageReceiveFunc) {
n.server.OnReceiveFn = f
}
func (n *GameNetwork) Close() error {
err := n.server.Close()
logger, _ := logger.GetLogger()
if err != nil {
logger.Sugar().Errorf("can't close connection for network '%+v': %s", n, err.Error())
} else {
logger.Sugar().Infof("connection closed for network '%+v'", n)
}
return err
}
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