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multiplayer: Add status message for user joining/leaving

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The room server is now able to send a new type of packet: IdStatusMessage which is parsed and displayed by the client.
This commit is contained in:
zhupengfei 2018-11-09 21:55:57 +08:00
parent 386bf5c861
commit 0319e51960
6 changed files with 134 additions and 7 deletions
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42
src/network/room.cpp
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@ -127,6 +127,12 @@ public:
*/
void SendCloseMessage();
/**
* Sends a system message to all the connected clients.
*/
void SendStatusMessage(StatusMessageTypes type, const std::string& nickname,
const std::string& username);
/**
* Sends the information about the room, along with the list of members
* to every connected client in the room.
@ -290,6 +296,9 @@ void Room::RoomImpl::HandleJoinRequest(const ENetEvent* event) {
}
member.user_data = verify_backend->LoadUserData(uid, token);
// Notify everyone that the user has joined.
SendStatusMessage(IdMemberJoin, member.nickname, member.user_data.username);
{
std::lock_guard<std::mutex> lock(member_mutex);
members.push_back(std::move(member));
@ -415,6 +424,24 @@ void Room::RoomImpl::SendCloseMessage() {
}
}
void Room::RoomImpl::SendStatusMessage(StatusMessageTypes type, const std::string& nickname,
const std::string& username) {
Packet packet;
packet << static_cast<u8>(IdStatusMessage);
packet << static_cast<u8>(type);
packet << nickname;
packet << username;
std::lock_guard<std::mutex> lock(member_mutex);
if (!members.empty()) {
ENetPacket* enet_packet =
enet_packet_create(packet.GetData(), packet.GetDataSize(), ENET_PACKET_FLAG_RELIABLE);
for (auto& member : members) {
enet_peer_send(member.peer, 0, enet_packet);
}
}
enet_host_flush(server);
}
void Room::RoomImpl::BroadcastRoomInformation() {
Packet packet;
packet << static_cast<u8>(IdRoomInformation);
@ -571,16 +598,23 @@ void Room::RoomImpl::HandleGameNamePacket(const ENetEvent* event) {
void Room::RoomImpl::HandleClientDisconnection(ENetPeer* client) {
// Remove the client from the members list.
std::string nickname, username;
{
std::lock_guard<std::mutex> lock(member_mutex);
members.erase(
std::remove_if(members.begin(), members.end(),
[client](const Member& member) { return member.peer == client; }),
members.end());
auto member = std::find_if(members.begin(), members.end(), [client](const Member& member) {
return member.peer == client;
});
if (member != members.end()) {
nickname = member->nickname;
username = member->user_data.username;
members.erase(member);
}
}
// Announce the change to all clients.
enet_peer_disconnect(client, 0);
if (!nickname.empty())
SendStatusMessage(IdMemberLeave, nickname, username);
BroadcastRoomInformation();
}