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4 Commits

Author SHA1 Message Date
00aa302229 bin 2025-04-16 12:50:46 +02:00
c720b66818 Add timestamp to protobuf and only send unseen messages to clients 2025-04-16 11:49:49 +02:00
f9ec811b10 Update License 2025-01-20 01:16:42 +01:00
d25ee09155 Add system messages to chat 2025-01-20 00:03:15 +01:00
5 changed files with 294 additions and 183 deletions

24
LICENSE
View File

@ -1,11 +1,21 @@
“Commons Clause” License Condition v1.0
MIT License
The Software is provided to you by the Licensor under the License, as defined below, subject to the following condition.
Copyright (c) 2025 bdnugget
Without limiting other conditions in the License, the grant of rights under the License will not include, and the License does not grant to you, right to Sell the Software.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
For purposes of the foregoing, “Sell” means practicing any or all of the rights granted to you under the License to provide to third parties, for a fee or other consideration (including without limitation fees for hosting or consulting/ support services related to the Software), a product or service whose value derives, entirely or substantially, from the functionality of the Software. Any license notice or attribution required by the License must also include this Commons Cause License Condition notice.
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
Software: GoonServer (for Goonscape)
License: Commons Clause v1.0
Licensor: bdnugget
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,8 +1,8 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.36.3
// protoc v5.29.2
// source: actions.proto
// protoc-gen-go v1.36.6
// protoc v6.30.1
// source: actions/actions.proto
package actions
@ -11,6 +11,7 @@ import (
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
unsafe "unsafe"
)
const (
@ -59,11 +60,11 @@ func (x Action_ActionType) String() string {
}
func (Action_ActionType) Descriptor() protoreflect.EnumDescriptor {
return file_actions_proto_enumTypes[0].Descriptor()
return file_actions_actions_proto_enumTypes[0].Descriptor()
}
func (Action_ActionType) Type() protoreflect.EnumType {
return &file_actions_proto_enumTypes[0]
return &file_actions_actions_proto_enumTypes[0]
}
func (x Action_ActionType) Number() protoreflect.EnumNumber {
@ -72,7 +73,7 @@ func (x Action_ActionType) Number() protoreflect.EnumNumber {
// Deprecated: Use Action_ActionType.Descriptor instead.
func (Action_ActionType) EnumDescriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{0, 0}
return file_actions_actions_proto_rawDescGZIP(), []int{0, 0}
}
type Action struct {
@ -90,7 +91,7 @@ type Action struct {
func (x *Action) Reset() {
*x = Action{}
mi := &file_actions_proto_msgTypes[0]
mi := &file_actions_actions_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -102,7 +103,7 @@ func (x *Action) String() string {
func (*Action) ProtoMessage() {}
func (x *Action) ProtoReflect() protoreflect.Message {
mi := &file_actions_proto_msgTypes[0]
mi := &file_actions_actions_proto_msgTypes[0]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -115,7 +116,7 @@ func (x *Action) ProtoReflect() protoreflect.Message {
// Deprecated: Use Action.ProtoReflect.Descriptor instead.
func (*Action) Descriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{0}
return file_actions_actions_proto_rawDescGZIP(), []int{0}
}
func (x *Action) GetType() Action_ActionType {
@ -168,18 +169,19 @@ func (x *Action) GetPassword() string {
}
type ActionBatch struct {
state protoimpl.MessageState `protogen:"open.v1"`
PlayerId int32 `protobuf:"varint,1,opt,name=player_id,json=playerId,proto3" json:"player_id,omitempty"`
Actions []*Action `protobuf:"bytes,2,rep,name=actions,proto3" json:"actions,omitempty"`
Tick int64 `protobuf:"varint,3,opt,name=tick,proto3" json:"tick,omitempty"`
ProtocolVersion int32 `protobuf:"varint,4,opt,name=protocol_version,json=protocolVersion,proto3" json:"protocol_version,omitempty"`
unknownFields protoimpl.UnknownFields
sizeCache protoimpl.SizeCache
state protoimpl.MessageState `protogen:"open.v1"`
PlayerId int32 `protobuf:"varint,1,opt,name=player_id,json=playerId,proto3" json:"player_id,omitempty"`
Actions []*Action `protobuf:"bytes,2,rep,name=actions,proto3" json:"actions,omitempty"`
Tick int64 `protobuf:"varint,3,opt,name=tick,proto3" json:"tick,omitempty"`
ProtocolVersion int32 `protobuf:"varint,4,opt,name=protocol_version,json=protocolVersion,proto3" json:"protocol_version,omitempty"`
LastSeenMessageTimestamp int64 `protobuf:"varint,5,opt,name=last_seen_message_timestamp,json=lastSeenMessageTimestamp,proto3" json:"last_seen_message_timestamp,omitempty"`
unknownFields protoimpl.UnknownFields
sizeCache protoimpl.SizeCache
}
func (x *ActionBatch) Reset() {
*x = ActionBatch{}
mi := &file_actions_proto_msgTypes[1]
mi := &file_actions_actions_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -191,7 +193,7 @@ func (x *ActionBatch) String() string {
func (*ActionBatch) ProtoMessage() {}
func (x *ActionBatch) ProtoReflect() protoreflect.Message {
mi := &file_actions_proto_msgTypes[1]
mi := &file_actions_actions_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -204,7 +206,7 @@ func (x *ActionBatch) ProtoReflect() protoreflect.Message {
// Deprecated: Use ActionBatch.ProtoReflect.Descriptor instead.
func (*ActionBatch) Descriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{1}
return file_actions_actions_proto_rawDescGZIP(), []int{1}
}
func (x *ActionBatch) GetPlayerId() int32 {
@ -235,6 +237,13 @@ func (x *ActionBatch) GetProtocolVersion() int32 {
return 0
}
func (x *ActionBatch) GetLastSeenMessageTimestamp() int64 {
if x != nil {
return x.LastSeenMessageTimestamp
}
return 0
}
type PlayerState struct {
state protoimpl.MessageState `protogen:"open.v1"`
PlayerId int32 `protobuf:"varint,1,opt,name=player_id,json=playerId,proto3" json:"player_id,omitempty"`
@ -247,7 +256,7 @@ type PlayerState struct {
func (x *PlayerState) Reset() {
*x = PlayerState{}
mi := &file_actions_proto_msgTypes[2]
mi := &file_actions_actions_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -259,7 +268,7 @@ func (x *PlayerState) String() string {
func (*PlayerState) ProtoMessage() {}
func (x *PlayerState) ProtoReflect() protoreflect.Message {
mi := &file_actions_proto_msgTypes[2]
mi := &file_actions_actions_proto_msgTypes[2]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -272,7 +281,7 @@ func (x *PlayerState) ProtoReflect() protoreflect.Message {
// Deprecated: Use PlayerState.ProtoReflect.Descriptor instead.
func (*PlayerState) Descriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{2}
return file_actions_actions_proto_rawDescGZIP(), []int{2}
}
func (x *PlayerState) GetPlayerId() int32 {
@ -315,7 +324,7 @@ type ChatMessage struct {
func (x *ChatMessage) Reset() {
*x = ChatMessage{}
mi := &file_actions_proto_msgTypes[3]
mi := &file_actions_actions_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -327,7 +336,7 @@ func (x *ChatMessage) String() string {
func (*ChatMessage) ProtoMessage() {}
func (x *ChatMessage) ProtoReflect() protoreflect.Message {
mi := &file_actions_proto_msgTypes[3]
mi := &file_actions_actions_proto_msgTypes[3]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -340,7 +349,7 @@ func (x *ChatMessage) ProtoReflect() protoreflect.Message {
// Deprecated: Use ChatMessage.ProtoReflect.Descriptor instead.
func (*ChatMessage) Descriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{3}
return file_actions_actions_proto_rawDescGZIP(), []int{3}
}
func (x *ChatMessage) GetPlayerId() int32 {
@ -386,7 +395,7 @@ type ServerMessage struct {
func (x *ServerMessage) Reset() {
*x = ServerMessage{}
mi := &file_actions_proto_msgTypes[4]
mi := &file_actions_actions_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -398,7 +407,7 @@ func (x *ServerMessage) String() string {
func (*ServerMessage) ProtoMessage() {}
func (x *ServerMessage) ProtoReflect() protoreflect.Message {
mi := &file_actions_proto_msgTypes[4]
mi := &file_actions_actions_proto_msgTypes[4]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -411,7 +420,7 @@ func (x *ServerMessage) ProtoReflect() protoreflect.Message {
// Deprecated: Use ServerMessage.ProtoReflect.Descriptor instead.
func (*ServerMessage) Descriptor() ([]byte, []int) {
return file_actions_proto_rawDescGZIP(), []int{4}
return file_actions_actions_proto_rawDescGZIP(), []int{4}
}
func (x *ServerMessage) GetPlayerId() int32 {
@ -463,92 +472,67 @@ func (x *ServerMessage) GetProtocolVersion() int32 {
return 0
}
var File_actions_proto protoreflect.FileDescriptor
var File_actions_actions_proto protoreflect.FileDescriptor
var file_actions_proto_rawDesc = []byte{
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}
const file_actions_actions_proto_rawDesc = "" +
"\n" +
"\x15actions/actions.proto\x12\aactions\"\x97\x02\n" +
"\x06Action\x12.\n" +
"\x04type\x18\x01 \x01(\x0e2\x1a.actions.Action.ActionTypeR\x04type\x12\f\n" +
"\x01x\x18\x02 \x01(\x05R\x01x\x12\f\n" +
"\x01y\x18\x03 \x01(\x05R\x01y\x12\x1b\n" +
"\tplayer_id\x18\x04 \x01(\x05R\bplayerId\x12!\n" +
"\fchat_message\x18\x05 \x01(\tR\vchatMessage\x12\x1a\n" +
"\busername\x18\x06 \x01(\tR\busername\x12\x1a\n" +
"\bpassword\x18\a \x01(\tR\bpassword\"I\n" +
"\n" +
"ActionType\x12\b\n" +
"\x04MOVE\x10\x00\x12\b\n" +
"\x04CHAT\x10\x01\x12\x0e\n" +
"\n" +
"DISCONNECT\x10\x02\x12\t\n" +
"\x05LOGIN\x10\x03\x12\f\n" +
"\bREGISTER\x10\x04\"\xd3\x01\n" +
"\vActionBatch\x12\x1b\n" +
"\tplayer_id\x18\x01 \x01(\x05R\bplayerId\x12)\n" +
"\aactions\x18\x02 \x03(\v2\x0f.actions.ActionR\aactions\x12\x12\n" +
"\x04tick\x18\x03 \x01(\x03R\x04tick\x12)\n" +
"\x10protocol_version\x18\x04 \x01(\x05R\x0fprotocolVersion\x12=\n" +
"\x1blast_seen_message_timestamp\x18\x05 \x01(\x03R\x18lastSeenMessageTimestamp\"b\n" +
"\vPlayerState\x12\x1b\n" +
"\tplayer_id\x18\x01 \x01(\x05R\bplayerId\x12\f\n" +
"\x01x\x18\x02 \x01(\x05R\x01x\x12\f\n" +
"\x01y\x18\x03 \x01(\x05R\x01y\x12\x1a\n" +
"\busername\x18\x04 \x01(\tR\busername\"~\n" +
"\vChatMessage\x12\x1b\n" +
"\tplayer_id\x18\x01 \x01(\x05R\bplayerId\x12\x1a\n" +
"\busername\x18\x02 \x01(\tR\busername\x12\x18\n" +
"\acontent\x18\x03 \x01(\tR\acontent\x12\x1c\n" +
"\ttimestamp\x18\x04 \x01(\x03R\ttimestamp\"\xad\x02\n" +
"\rServerMessage\x12\x1b\n" +
"\tplayer_id\x18\x01 \x01(\x05R\bplayerId\x12.\n" +
"\aplayers\x18\x02 \x03(\v2\x14.actions.PlayerStateR\aplayers\x12!\n" +
"\fcurrent_tick\x18\x03 \x01(\x03R\vcurrentTick\x129\n" +
"\rchat_messages\x18\x04 \x03(\v2\x14.actions.ChatMessageR\fchatMessages\x12!\n" +
"\fauth_success\x18\x05 \x01(\bR\vauthSuccess\x12#\n" +
"\rerror_message\x18\x06 \x01(\tR\ferrorMessage\x12)\n" +
"\x10protocol_version\x18\a \x01(\x05R\x0fprotocolVersionB,Z*gitea.boner.be/bdnugget/goonserver/actionsb\x06proto3"
var (
file_actions_proto_rawDescOnce sync.Once
file_actions_proto_rawDescData = file_actions_proto_rawDesc
file_actions_actions_proto_rawDescOnce sync.Once
file_actions_actions_proto_rawDescData []byte
)
func file_actions_proto_rawDescGZIP() []byte {
file_actions_proto_rawDescOnce.Do(func() {
file_actions_proto_rawDescData = protoimpl.X.CompressGZIP(file_actions_proto_rawDescData)
func file_actions_actions_proto_rawDescGZIP() []byte {
file_actions_actions_proto_rawDescOnce.Do(func() {
file_actions_actions_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_actions_actions_proto_rawDesc), len(file_actions_actions_proto_rawDesc)))
})
return file_actions_proto_rawDescData
return file_actions_actions_proto_rawDescData
}
var file_actions_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_actions_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_actions_proto_goTypes = []any{
var file_actions_actions_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_actions_actions_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_actions_actions_proto_goTypes = []any{
(Action_ActionType)(0), // 0: actions.Action.ActionType
(*Action)(nil), // 1: actions.Action
(*ActionBatch)(nil), // 2: actions.ActionBatch
@ -556,7 +540,7 @@ var file_actions_proto_goTypes = []any{
(*ChatMessage)(nil), // 4: actions.ChatMessage
(*ServerMessage)(nil), // 5: actions.ServerMessage
}
var file_actions_proto_depIdxs = []int32{
var file_actions_actions_proto_depIdxs = []int32{
0, // 0: actions.Action.type:type_name -> actions.Action.ActionType
1, // 1: actions.ActionBatch.actions:type_name -> actions.Action
3, // 2: actions.ServerMessage.players:type_name -> actions.PlayerState
@ -568,28 +552,27 @@ var file_actions_proto_depIdxs = []int32{
0, // [0:4] is the sub-list for field type_name
}
func init() { file_actions_proto_init() }
func file_actions_proto_init() {
if File_actions_proto != nil {
func init() { file_actions_actions_proto_init() }
func file_actions_actions_proto_init() {
if File_actions_actions_proto != nil {
return
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_actions_proto_rawDesc,
RawDescriptor: unsafe.Slice(unsafe.StringData(file_actions_actions_proto_rawDesc), len(file_actions_actions_proto_rawDesc)),
NumEnums: 1,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_actions_proto_goTypes,
DependencyIndexes: file_actions_proto_depIdxs,
EnumInfos: file_actions_proto_enumTypes,
MessageInfos: file_actions_proto_msgTypes,
GoTypes: file_actions_actions_proto_goTypes,
DependencyIndexes: file_actions_actions_proto_depIdxs,
EnumInfos: file_actions_actions_proto_enumTypes,
MessageInfos: file_actions_actions_proto_msgTypes,
}.Build()
File_actions_proto = out.File
file_actions_proto_rawDesc = nil
file_actions_proto_goTypes = nil
file_actions_proto_depIdxs = nil
File_actions_actions_proto = out.File
file_actions_actions_proto_goTypes = nil
file_actions_actions_proto_depIdxs = nil
}

View File

@ -27,6 +27,7 @@ message ActionBatch {
repeated Action actions = 2;
int64 tick = 3;
int32 protocol_version = 4;
int64 last_seen_message_timestamp = 5;
}
message PlayerState {

BIN
goonserver Executable file

Binary file not shown.

231
main.go
View File

@ -24,9 +24,10 @@ const (
type Player struct {
sync.Mutex
ID int
X, Y int
Username string
ID int
X, Y int
Username string
LastSeenMsgTimestamp int64 // Track the last message timestamp this player has seen
}
var (
@ -82,7 +83,10 @@ func main() {
}
func handleConnection(conn net.Conn) {
defer conn.Close()
defer func() {
conn.Close()
log.Printf("Connection closed and cleanup complete")
}()
// Get client IP
remoteAddr := conn.RemoteAddr().String()
@ -188,29 +192,57 @@ func handleConnection(conn net.Conn) {
return
}
player := &Player{
ID: playerID,
X: x,
Y: y,
Username: username,
log.Printf("Player %d (%s) authenticated successfully, checking for existing session", playerID, username)
// Check for existing session and force disconnect if needed
mu.Lock()
existingPlayer, alreadyLoggedIn := players[playerID]
if alreadyLoggedIn {
log.Printf("Player %d (%s) is already logged in, forcing disconnect of old session", playerID, username)
// An existing session is found - clean it up
if oldConn, exists := playerConns[playerID]; exists {
// Try to close the old connection
oldConn.Close()
delete(playerConns, playerID)
}
// Keep the player object but update its connection
existingPlayer.X = x
existingPlayer.Y = y
playerConns[playerID] = conn
mu.Unlock()
} else {
// Create a new player
player := &Player{
ID: playerID,
X: x,
Y: y,
Username: username,
LastSeenMsgTimestamp: 0, // Initialize to 0 to receive all messages initially
}
players[playerID] = player
playerConns[playerID] = conn
mu.Unlock()
existingPlayer = player
// Announce connection
addSystemMessage(fmt.Sprintf("%s connected", username))
}
// Prevent multiple logins
mu.Lock()
for _, p := range players {
if p.Username == username {
mu.Unlock()
response := &pb.ServerMessage{
AuthSuccess: false,
ErrorMessage: "Account already logged in",
// Ensure player state is saved on any kind of disconnect
defer func() {
if p, exists := players[playerID]; exists {
if err := db.SavePlayerState(playerID, p.X, p.Y); err != nil {
log.Printf("Error saving state for player %d: %v", playerID, err)
}
writeMessage(conn, response)
return
}
}
players[playerID] = player
playerConns[playerID] = conn
mu.Unlock()
addSystemMessage(fmt.Sprintf("%s disconnected", username))
mu.Lock()
delete(players, playerID)
delete(playerConns, playerID)
delete(actionQueue, playerID)
mu.Unlock()
log.Printf("Player %d (%s) disconnected", playerID, username)
}()
// Send initial state with correct position
response = &pb.ServerMessage{
@ -225,26 +257,13 @@ func handleConnection(conn net.Conn) {
ProtocolVersion: protoVersion,
}
// Ensure player state is saved on any kind of disconnect
defer func() {
if err := db.SavePlayerState(playerID, player.X, player.Y); err != nil {
log.Printf("Error saving state for player %d: %v", playerID, err)
}
mu.Lock()
delete(players, playerID)
delete(playerConns, playerID)
delete(actionQueue, playerID)
mu.Unlock()
log.Printf("Player %d disconnected", playerID)
}()
// Send player ID to client
if err := writeMessage(conn, response); err != nil {
log.Printf("Failed to send player ID: %v", err)
return
}
fmt.Printf("Player %d connected\n", playerID)
log.Printf("Player %d (%s) connected successfully", playerID, username)
// Listen for incoming actions from this player
for {
@ -273,6 +292,11 @@ func handleConnection(conn net.Conn) {
continue
}
// Update the last seen message timestamp
if batch.LastSeenMessageTimestamp > 0 {
existingPlayer.LastSeenMsgTimestamp = batch.LastSeenMessageTimestamp
}
// Queue the actions for processing
if batch.PlayerId == int32(playerID) {
for _, action := range batch.Actions {
@ -281,7 +305,9 @@ func handleConnection(conn net.Conn) {
return
}
}
mu.Lock()
actionQueue[playerID] = append(actionQueue[playerID], batch.Actions...)
mu.Unlock()
}
}
}
@ -308,13 +334,49 @@ func addChatMessage(playerID int32, content string) {
chatHistory = append(chatHistory, msg)
}
func addSystemMessage(content string) {
chatMutex.Lock()
defer chatMutex.Unlock()
msg := &pb.ChatMessage{
PlayerId: 0, // System messages use ID 0
Username: "System",
Content: content,
Timestamp: time.Now().UnixNano(),
}
if len(chatHistory) >= 100 {
chatHistory = chatHistory[1:]
}
chatHistory = append(chatHistory, msg)
}
func processActions() {
mu.Lock()
defer mu.Unlock()
// Make a list of players to process first, to avoid lock contention
activePlayers := make(map[int]*Player)
for id, p := range players {
activePlayers[id] = p
}
activeConns := make(map[int]net.Conn)
for id, conn := range playerConns {
activeConns[id] = conn
}
activeQueues := make(map[int][]*pb.Action)
for id, actions := range actionQueue {
if len(actions) > 0 {
activeQueues[id] = actions
actionQueue[id] = nil // Clear the queue early to avoid double processing
}
}
mu.Unlock()
// Update players based on queued actions
for playerID, actions := range actionQueue {
player := players[playerID]
// Process actions without holding the global lock
for playerID, actions := range activeQueues {
player, exists := activePlayers[playerID]
if !exists {
continue
}
player.Lock()
for _, action := range actions {
switch action.Type {
@ -328,20 +390,21 @@ func processActions() {
}
}
player.Unlock()
actionQueue[playerID] = nil // Clear the action queue after processing
}
// Prepare and broadcast the current game state
// Prepare current game state
currentTick := time.Now().UnixNano() / int64(tickRate)
state := &pb.ServerMessage{
CurrentTick: currentTick,
Players: make([]*pb.PlayerState, 0, len(players)),
}
// Convert players to PlayerState
for id, p := range players {
// Get recent messages for new connections
chatMutex.RLock()
recentMessages := chatHistory[max(0, len(chatHistory)-5):] // Get last 5 for new connections
chatMutex.RUnlock()
// To avoid holding locks too long, prepare player states first
playerStates := make([]*pb.PlayerState, 0, len(activePlayers))
for id, p := range activePlayers {
p.Lock()
state.Players = append(state.Players, &pb.PlayerState{
playerStates = append(playerStates, &pb.PlayerState{
PlayerId: int32(id),
X: int32(p.X),
Y: int32(p.Y),
@ -350,15 +413,69 @@ func processActions() {
p.Unlock()
}
// Add chat messages to the state
chatMutex.RLock()
state.ChatMessages = chatHistory[max(0, len(chatHistory)-5):] // Only send last 5 messages
chatMutex.RUnlock()
// Now send updates to each player
for playerID, conn := range activeConns {
player, exists := activePlayers[playerID]
if !exists {
continue
}
// Send to each connected player
for _, conn := range playerConns {
state := &pb.ServerMessage{
CurrentTick: currentTick,
Players: playerStates,
}
// Add chat messages - only send those the player hasn't seen
player.Lock()
lastSeen := player.LastSeenMsgTimestamp
player.Unlock()
chatMutex.RLock()
var newMessages []*pb.ChatMessage
// For new connections, send the 5 most recent messages
if lastSeen == 0 && len(recentMessages) > 0 {
newMessages = recentMessages
if len(newMessages) > 0 {
// Update the player's timestamp to the latest message
player.Lock()
player.LastSeenMsgTimestamp = newMessages[len(newMessages)-1].Timestamp
player.Unlock()
}
} else {
// For existing connections, only send new messages
for _, msg := range chatHistory {
if msg.Timestamp > lastSeen {
newMessages = append(newMessages, msg)
}
}
// Update the player's timestamp if we sent them new messages
if len(newMessages) > 0 {
player.Lock()
player.LastSeenMsgTimestamp = newMessages[len(newMessages)-1].Timestamp
player.Unlock()
}
}
state.ChatMessages = newMessages
chatMutex.RUnlock()
// Log the number of messages we're sending
if len(newMessages) > 0 {
log.Printf("Sending %d new messages to player %d", len(newMessages), playerID)
}
// Send the state to the player - do this without holding any locks
if err := writeMessage(conn, state); err != nil {
log.Printf("Failed to send update: %v", err)
log.Printf("Failed to send update to player %d: %v", playerID, err)
// Handle connection errors by removing the player
mu.Lock()
delete(players, playerID)
delete(playerConns, playerID)
delete(actionQueue, playerID)
mu.Unlock()
}
}
}