117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
package network
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import (
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"log"
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"net"
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"time"
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"gitea.boner.be/bdnugget/goonscape/types"
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pb "gitea.boner.be/bdnugget/goonserver/actions"
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"google.golang.org/protobuf/proto"
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)
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func ConnectToServer() (net.Conn, int32, error) {
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conn, err := net.Dial("tcp", types.ServerAddr)
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if err != nil {
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log.Printf("Failed to dial server: %v", err)
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return nil, 0, err
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}
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log.Println("Connected to server. Waiting for player ID...")
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buf := make([]byte, 1024)
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n, err := conn.Read(buf)
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if err != nil {
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log.Printf("Error reading player ID from server: %v", err)
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return nil, 0, err
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}
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var response pb.ServerMessage
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if err := proto.Unmarshal(buf[:n], &response); err != nil {
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log.Printf("Failed to unmarshal server response: %v", err)
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return nil, 0, err
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}
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playerID := response.GetPlayerId()
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log.Printf("Successfully connected with player ID: %d", playerID)
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return conn, playerID, nil
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}
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func HandleServerCommunication(conn net.Conn, playerID int32, player *types.Player, otherPlayers map[int32]*types.Player) {
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buf := make([]byte, 4096)
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actionTicker := time.NewTicker(types.ClientTickRate)
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defer actionTicker.Stop()
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go func() {
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for range actionTicker.C {
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player.Lock()
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if len(player.ActionQueue) > 0 {
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actions := make([]*pb.Action, len(player.ActionQueue))
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copy(actions, player.ActionQueue)
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batch := &pb.ActionBatch{
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PlayerId: playerID,
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Actions: actions,
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Tick: player.CurrentTick,
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}
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player.ActionQueue = player.ActionQueue[:0]
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player.Unlock()
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data, err := proto.Marshal(batch)
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if err != nil {
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log.Printf("Failed to marshal action batch: %v", err)
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continue
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}
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if _, err = conn.Write(data); err != nil {
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log.Printf("Failed to send actions to server: %v", err)
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return
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}
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} else {
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player.Unlock()
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}
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}
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}()
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for {
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n, err := conn.Read(buf)
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if err != nil {
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log.Printf("Failed to read from server: %v", err)
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return
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}
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var serverMessage pb.ServerMessage
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if err := proto.Unmarshal(buf[:n], &serverMessage); err != nil {
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log.Printf("Failed to unmarshal server message: %v", err)
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continue
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}
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player.Lock()
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player.CurrentTick = serverMessage.CurrentTick
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tickDiff := serverMessage.CurrentTick - player.CurrentTick
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if tickDiff > types.MaxTickDesync {
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for _, state := range serverMessage.Players {
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if state.PlayerId == playerID {
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player.ForceResync(state)
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break
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}
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}
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}
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player.Unlock()
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for _, state := range serverMessage.Players {
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if state.PlayerId == playerID {
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continue
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}
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if otherPlayer, exists := otherPlayers[state.PlayerId]; exists {
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otherPlayer.UpdatePosition(state, types.ServerTickRate)
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} else {
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otherPlayers[state.PlayerId] = types.NewPlayer(state)
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}
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}
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}
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}
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