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Chat protocol rewrite (#5117)

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* New TOCLIENT_CHAT_MESSAGE packet

* Rename old packet to TOCLIENT_CHAT_MESSAGE_OLD for compat
* Handle TOCLIENT_CHAT_MESSAGE new structure client side
* Client chat queue should use a specific object
* SendChatMessage: use the right packet depending on protocol version (not complete yet)
* Add chatmessage(type) objects and handle them client side (partially)
* Use ChatMessage instead of std::wstring server side

* Update with timestamp support
This commit is contained in:
Loïc Blot 2017-07-16 10:47:31 +02:00 committed by GitHub
parent ecbc972ea6
commit 7ddf67aa14
16 changed files with 251 additions and 51 deletions
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51
src/chatmessage.h Normal file
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@ -0,0 +1,51 @@
/*
Minetest
Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MT_CHATMESSAGE_H
#define MT_CHATMESSAGE_H
#include <string>
#include <ctime>
enum ChatMessageType
{
CHATMESSAGE_TYPE_RAW = 0,
CHATMESSAGE_TYPE_NORMAL = 1,
CHATMESSAGE_TYPE_ANNOUNCE = 2,
CHATMESSAGE_TYPE_SYSTEM = 3,
CHATMESSAGE_TYPE_MAX = 4,
};
struct ChatMessage
{
ChatMessage(const std::wstring &m = L"") : message(m) {}
ChatMessage(ChatMessageType t, const std::wstring &m, const std::wstring &s = L"",
std::time_t ts = std::time(0))
: type(t), message(m), sender(s), timestamp(ts)
{
}
ChatMessageType type = CHATMESSAGE_TYPE_RAW;
std::wstring message = L"";
std::wstring sender = L"";
std::time_t timestamp = std::time(0);
};
#endif

37
src/client.cpp
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@ -47,6 +47,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "guiscalingfilter.h"
#include "script/scripting_client.h"
#include "game.h"
#include "chatmessage.h"
extern gui::IGUIEnvironment* guienv;
@ -1518,12 +1519,34 @@ u16 Client::getHP()
return player->hp;
}
bool Client::getChatMessage(std::wstring &message)
bool Client::getChatMessage(std::wstring &res)
{
if(m_chat_queue.size() == 0)
if (m_chat_queue.empty())
return false;
message = m_chat_queue.front();
ChatMessage *chatMessage = m_chat_queue.front();
m_chat_queue.pop();
res = L"";
switch (chatMessage->type) {
case CHATMESSAGE_TYPE_RAW:
case CHATMESSAGE_TYPE_ANNOUNCE:
case CHATMESSAGE_TYPE_SYSTEM:
res = chatMessage->message;
break;
case CHATMESSAGE_TYPE_NORMAL: {
if (!chatMessage->sender.empty())
res = L"<" + chatMessage->sender + L"> " + chatMessage->message;
else
res = chatMessage->message;
break;
}
default:
break;
}
delete chatMessage;
return true;
}
@ -1542,14 +1565,13 @@ void Client::typeChatMessage(const std::wstring &message)
sendChatMessage(message);
// Show locally
if (message[0] != L'/')
{
if (message[0] != L'/') {
// compatibility code
if (m_proto_ver < 29) {
LocalPlayer *player = m_env.getLocalPlayer();
assert(player);
std::wstring name = narrow_to_wide(player->getName());
pushToChatQueue((std::wstring)L"<" + name + L"> " + message);
pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_NORMAL, message, name));
}
}
}
@ -1806,7 +1828,8 @@ void Client::makeScreenshot()
} else {
sstr << "Failed to save screenshot '" << filename << "'";
}
pushToChatQueue(narrow_to_wide(sstr.str()));
pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
narrow_to_wide(sstr.str())));
infostream << sstr.str() << std::endl;
image->drop();
}

10
src/client.h
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@ -43,6 +43,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define CLIENT_CHAT_MESSAGE_LIMIT_PER_10S 10.0f
struct MeshMakeData;
struct ChatMessage;
class MapBlockMesh;
class IWritableTextureSource;
class IWritableShaderSource;
@ -328,7 +329,8 @@ public:
void handleCommand_BlockData(NetworkPacket* pkt);
void handleCommand_Inventory(NetworkPacket* pkt);
void handleCommand_TimeOfDay(NetworkPacket* pkt);
void handleCommand_ChatMessage(NetworkPacket* pkt);
void handleCommand_ChatMessageOld(NetworkPacket *pkt);
void handleCommand_ChatMessage(NetworkPacket *pkt);
void handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt);
void handleCommand_ActiveObjectMessages(NetworkPacket* pkt);
void handleCommand_Movement(NetworkPacket* pkt);
@ -520,9 +522,9 @@ public:
void makeScreenshot();
inline void pushToChatQueue(const std::wstring &input)
inline void pushToChatQueue(ChatMessage *cec)
{
m_chat_queue.push(input);
m_chat_queue.push(cec);
}
ClientScripting *getScript() { return m_script; }
@ -629,10 +631,10 @@ private:
// 0 <= m_daynight_i < DAYNIGHT_CACHE_COUNT
//s32 m_daynight_i;
//u32 m_daynight_ratio;
std::queue<std::wstring> m_chat_queue;
std::queue<std::wstring> m_out_chat_queue;
u32 m_last_chat_message_sent;
float m_chat_message_allowance = 5.0f;
std::queue<ChatMessage *> m_chat_queue;
// The authentication methods we can use to enter sudo mode (=change password)
u32 m_sudo_auth_methods;

26
src/clientiface.cpp
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@ -693,6 +693,32 @@ void ClientInterface::sendToAll(NetworkPacket *pkt)
}
}
void ClientInterface::sendToAllCompat(NetworkPacket *pkt, NetworkPacket *legacypkt,
u16 min_proto_ver)
{
MutexAutoLock clientslock(m_clients_mutex);
for (std::unordered_map<u16, RemoteClient*>::iterator i = m_clients.begin();
i != m_clients.end(); ++i) {
RemoteClient *client = i->second;
NetworkPacket *pkt_to_send = nullptr;
if (client->net_proto_version >= min_proto_ver) {
pkt_to_send = pkt;
} else if (client->net_proto_version != 0) {
pkt_to_send = legacypkt;
} else {
warningstream << "Client with unhandled version to handle: '"
<< client->net_proto_version << "'";
continue;
}
m_con->Send(client->peer_id,
clientCommandFactoryTable[pkt_to_send->getCommand()].channel,
pkt_to_send,
clientCommandFactoryTable[pkt_to_send->getCommand()].reliable);
}
}
RemoteClient* ClientInterface::getClientNoEx(u16 peer_id, ClientState state_min)
{
MutexAutoLock clientslock(m_clients_mutex);

1
src/clientiface.h
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@ -434,6 +434,7 @@ public:
/* send to all clients */
void sendToAll(NetworkPacket *pkt);
void sendToAllCompat(NetworkPacket *pkt, NetworkPacket *legacypkt, u16 min_proto_ver);
/* delete a client */
void DeleteClient(u16 peer_id);

3
src/game.cpp
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@ -976,8 +976,7 @@ static void updateChat(Client &client, f32 dtime, bool show_debug,
}
// Get new messages from client
std::wstring message;
std::wstring message = L"";
while (client.getChatMessage(message)) {
chat_backend.addUnparsedMessage(message);
}

4
src/network/clientopcodes.cpp
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@ -71,8 +71,8 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
null_command_handler,
null_command_handler,
null_command_handler,
null_command_handler,
{ "TOCLIENT_CHAT_MESSAGE", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessage }, // 0x30
{ "TOCLIENT_CHAT_MESSAGE", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessage }, // 0x2F
{ "TOCLIENT_CHAT_MESSAGE_OLD", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessageOld }, // 0x30
{ "TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectRemoveAdd }, // 0x31
{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectMessages }, // 0x32
{ "TOCLIENT_HP", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HP }, // 0x33

44
src/network/clientpackethandler.cpp
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@ -20,6 +20,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "client.h"
#include "util/base64.h"
#include "chatmessage.h"
#include "clientmedia.h"
#include "log.h"
#include "map.h"
@ -142,7 +143,9 @@ void Client::handleCommand_AcceptSudoMode(NetworkPacket* pkt)
}
void Client::handleCommand_DenySudoMode(NetworkPacket* pkt)
{
pushToChatQueue(L"Password change denied. Password NOT changed.");
ChatMessage *chatMessage = new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Password change denied. Password NOT changed.");
pushToChatQueue(chatMessage);
// reset everything and be sad
deleteAuthData();
}
@ -395,7 +398,7 @@ void Client::handleCommand_TimeOfDay(NetworkPacket* pkt)
<< " dr=" << dr << std::endl;
}
void Client::handleCommand_ChatMessage(NetworkPacket* pkt)
void Client::handleCommand_ChatMessageOld(NetworkPacket *pkt)
{
/*
u16 command
@ -413,8 +416,43 @@ void Client::handleCommand_ChatMessage(NetworkPacket* pkt)
}
// If chat message not consummed by client lua API
// @TODO send this to CSM using ChatMessage object
if (!moddingEnabled() || !m_script->on_receiving_message(wide_to_utf8(message))) {
pushToChatQueue(message);
pushToChatQueue(new ChatMessage(message));
}
}
void Client::handleCommand_ChatMessage(NetworkPacket *pkt)
{
/*
u8 version
u8 message_type
u16 sendername length
wstring sendername
u16 length
wstring message
*/
ChatMessage *chatMessage = new ChatMessage();
u8 version, message_type;
*pkt >> version >> message_type;
if (version != 1 || message_type >= CHATMESSAGE_TYPE_MAX) {
delete chatMessage;
return;
}
*pkt >> chatMessage->sender >> chatMessage->message >> chatMessage->timestamp;
chatMessage->type = (ChatMessageType) message_type;
// @TODO send this to CSM using ChatMessage object
if (!moddingEnabled() || !m_script->on_receiving_message(
wide_to_utf8(chatMessage->message))) {
pushToChatQueue(chatMessage);
} else {
// Message was consumed by CSM and should not handled by client, destroying
delete chatMessage;
}
}

16
src/network/networkpacket.cpp
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@ -275,6 +275,12 @@ NetworkPacket& NetworkPacket::operator<<(u64 src)
return *this;
}
NetworkPacket& NetworkPacket::operator<<(std::time_t src)
{
*this << (u64) src;
return *this;
}
NetworkPacket& NetworkPacket::operator<<(float src)
{
checkDataSize(4);
@ -360,6 +366,16 @@ NetworkPacket& NetworkPacket::operator>>(u64& dst)
return *this;
}
NetworkPacket& NetworkPacket::operator>>(std::time_t& dst)
{
checkReadOffset(m_read_offset, 8);
dst = readU64(&m_data[m_read_offset]);
m_read_offset += 8;
return *this;
}
NetworkPacket& NetworkPacket::operator>>(float& dst)
{
checkReadOffset(m_read_offset, 4);

3
src/network/networkpacket.h
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@ -84,6 +84,9 @@ public:
NetworkPacket& operator>>(u64& dst);
NetworkPacket& operator<<(u64 src);
NetworkPacket& operator>>(std::time_t& dst);
NetworkPacket& operator<<(std::time_t src);
NetworkPacket& operator>>(float& dst);
NetworkPacket& operator<<(float src);

22
src/network/networkprotocol.h
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@ -160,9 +160,17 @@ with this program; if not, write to the Free Software Foundation, Inc.,
instead of guessing based on the active object list.
PROTOCOL VERSION 34:
Add sound pitch
PROTOCOL VERSION 35:
Rename TOCLIENT_CHAT_MESSAGE to TOCLIENT_CHAT_MESSAGE_OLD (0x30)
Add TOCLIENT_CHAT_MESSAGE (0x2F)
This chat message is a signalisation message containing various informations:
* timestamp
* sender
* type (RAW, NORMAL, ANNOUNCE, SYSTEM)
* content
*/
#define LATEST_PROTOCOL_VERSION 34
#define LATEST_PROTOCOL_VERSION 35
// Server's supported network protocol range
#define SERVER_PROTOCOL_VERSION_MIN 24
@ -307,7 +315,17 @@ enum ToClientCommand
// (oops, there is some gap here)
TOCLIENT_CHAT_MESSAGE = 0x30,
TOCLIENT_CHAT_MESSAGE = 0x2F,
/*
u8 version
u8 message_type
u16 sendername length
wstring sendername
u16 length
wstring message
*/
TOCLIENT_CHAT_MESSAGE_OLD = 0x30, // Deprecated by proto v35
/*
u16 length
wstring message

4
src/network/serveropcodes.cpp
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@ -160,8 +160,8 @@ const ClientCommandFactory clientCommandFactoryTable[TOCLIENT_NUM_MSG_TYPES] =
null_command_factory,
null_command_factory,
null_command_factory,
null_command_factory,
{ "TOCLIENT_CHAT_MESSAGE", 0, true }, // 0x30
{ "TOCLIENT_CHAT_MESSAGE", 0, true }, // 0x2F
{ "TOCLIENT_CHAT_MESSAGE_OLD", 0, true }, // 0x30
{ "TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD", 0, true }, // 0x31
{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES", 0, true }, // 0x32 Special packet, sent by 0 (rel) and 1 (unrel) channel
{ "TOCLIENT_HP", 0, true }, // 0x33

31
src/network/serverpackethandler.cpp
View File

@ -17,6 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <chatmessage.h>
#include "server.h"
#include "log.h"
@ -644,8 +645,10 @@ void Server::handleCommand_Init2(NetworkPacket* pkt)
// Warnings about protocol version can be issued here
if (getClient(pkt->getPeerId())->net_proto_version < LATEST_PROTOCOL_VERSION) {
SendChatMessage(pkt->getPeerId(), L"# Server: WARNING: YOUR CLIENT'S "
L"VERSION MAY NOT BE FULLY COMPATIBLE WITH THIS SERVER!");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"# Server: WARNING: YOUR CLIENT'S VERSION MAY NOT BE FULLY COMPATIBLE "
L"WITH THIS SERVER!"));
}
}
@ -1077,11 +1080,11 @@ void Server::handleCommand_ChatMessage(NetworkPacket* pkt)
std::string name = player->getName();
std::wstring wname = narrow_to_wide(name);
std::wstring answer_to_sender = handleChat(name, wname, message,
true, dynamic_cast<RemotePlayer *>(player));
std::wstring answer_to_sender = handleChat(name, wname, message, true, player);
if (!answer_to_sender.empty()) {
// Send the answer to sender
SendChatMessage(pkt->getPeerId(), answer_to_sender);
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_NORMAL,
answer_to_sender, wname));
}
}
@ -1171,7 +1174,8 @@ void Server::handleCommand_Password(NetworkPacket* pkt)
infostream<<"Server: " << player->getName() <<
" supplied invalid password hash" << std::endl;
// Wrong old password supplied!!
SendChatMessage(pkt->getPeerId(), L"Invalid new password hash supplied. Password NOT changed.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Invalid new password hash supplied. Password NOT changed."));
return;
}
@ -1186,18 +1190,21 @@ void Server::handleCommand_Password(NetworkPacket* pkt)
if (oldpwd != checkpwd) {
infostream << "Server: invalid old password" << std::endl;
// Wrong old password supplied!!
SendChatMessage(pkt->getPeerId(), L"Invalid old password supplied. Password NOT changed.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Invalid old password supplied. Password NOT changed."));
return;
}
bool success = m_script->setPassword(playername, newpwd);
if (success) {
actionstream << player->getName() << " changes password" << std::endl;
SendChatMessage(pkt->getPeerId(), L"Password change successful.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Password change successful."));
} else {
actionstream << player->getName() << " tries to change password but "
<< "it fails" << std::endl;
SendChatMessage(pkt->getPeerId(), L"Password change failed or unavailable.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Password change failed or unavailable."));
}
}
@ -1853,11 +1860,13 @@ void Server::handleCommand_FirstSrp(NetworkPacket* pkt)
bool success = m_script->setPassword(playername, pw_db_field);
if (success) {
actionstream << playername << " changes password" << std::endl;
SendChatMessage(pkt->getPeerId(), L"Password change successful.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Password change successful."));
} else {
actionstream << playername << " tries to change password but "
<< "it fails" << std::endl;
SendChatMessage(pkt->getPeerId(), L"Password change failed or unavailable.");
SendChatMessage(pkt->getPeerId(), ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
L"Password change failed or unavailable."));
}
}
}

3
src/script/lua_api/l_client.cpp
View File

@ -19,6 +19,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
*/
#include "l_client.h"
#include "chatmessage.h"
#include "clientenvironment.h"
#include "common/c_content.h"
#include "common/c_converter.h"
@ -80,7 +81,7 @@ int ModApiClient::l_display_chat_message(lua_State *L)
return 0;
std::string message = luaL_checkstring(L, 1);
getClient(L)->pushToChatQueue(utf8_to_wide(message));
getClient(L)->pushToChatQueue(new ChatMessage(utf8_to_wide(message)));
lua_pushboolean(L, true);
return 1;
}

44
src/server.cpp
View File

@ -60,6 +60,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "util/sha1.h"
#include "util/hex.h"
#include "database.h"
#include "chatmessage.h"
class ClientNotFoundException : public BaseException
{
@ -304,7 +305,8 @@ Server::~Server()
infostream<<"Server destructing"<<std::endl;
// Send shutdown message
SendChatMessage(PEER_ID_INEXISTENT, L"*** Server shutting down");
SendChatMessage(PEER_ID_INEXISTENT, ChatMessage(CHATMESSAGE_TYPE_ANNOUNCE,
L"*** Server shutting down"));
{
MutexAutoLock envlock(m_env_mutex);
@ -1107,7 +1109,7 @@ PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
// Note things in chat if not in simple singleplayer mode
if (!m_simple_singleplayer_mode && g_settings->getBool("show_statusline_on_connect")) {
// Send information about server to player in chat
SendChatMessage(peer_id, getStatusString());
SendChatMessage(peer_id, ChatMessage(CHATMESSAGE_TYPE_SYSTEM, getStatusString()));
}
Address addr = getPeerAddress(player->peer_id);
std::string ip_str = addr.serializeString();
@ -1615,21 +1617,29 @@ void Server::SendInventory(PlayerSAO* playerSAO)
Send(&pkt);
}
void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
void Server::SendChatMessage(u16 peer_id, const ChatMessage &message)
{
DSTACK(FUNCTION_NAME);
NetworkPacket legacypkt(TOCLIENT_CHAT_MESSAGE_OLD, 0, peer_id);
legacypkt << message.message;
NetworkPacket pkt(TOCLIENT_CHAT_MESSAGE, 0, peer_id);
u8 version = 1;
u8 type = message.type;
pkt << version << type << std::wstring(L"") << message.message << message.timestamp;
if (peer_id != PEER_ID_INEXISTENT) {
NetworkPacket pkt(TOCLIENT_CHAT_MESSAGE, 0, peer_id);
RemotePlayer *player = m_env->getPlayer(peer_id);
if (!player)
return;
if (m_clients.getProtocolVersion(peer_id) < 27)
pkt << unescape_enriched(message);
if (player->protocol_version < 35)
Send(&legacypkt);
else
pkt << message;
Send(&pkt);
Send(&pkt);
} else {
for (u16 id : m_clients.getClientIDs())
SendChatMessage(id, message);
m_clients.sendToAllCompat(&pkt, &legacypkt, 35);
}
}
@ -2811,8 +2821,10 @@ void Server::DeleteClient(u16 peer_id, ClientDeletionReason reason)
}
// Send leave chat message to all remaining clients
if(message.length() != 0)
SendChatMessage(PEER_ID_INEXISTENT,message);
if (!message.empty()) {
SendChatMessage(PEER_ID_INEXISTENT,
ChatMessage(CHATMESSAGE_TYPE_ANNOUNCE, message));
}
}
void Server::UpdateCrafting(RemotePlayer *player)
@ -2934,7 +2946,7 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna
for (u16 i = 0; i < clients.size(); i++) {
u16 cid = clients[i];
if (cid != peer_id_to_avoid_sending)
SendChatMessage(cid, line);
SendChatMessage(cid, ChatMessage(line));
}
}
return L"";
@ -3096,7 +3108,7 @@ void Server::notifyPlayer(const char *name, const std::wstring &msg)
if (player->peer_id == PEER_ID_INEXISTENT)
return;
SendChatMessage(player->peer_id, msg);
SendChatMessage(player->peer_id, ChatMessage(msg));
}
bool Server::showFormspec(const char *playername, const std::string &formspec,
@ -3271,7 +3283,7 @@ bool Server::overrideDayNightRatio(RemotePlayer *player, bool do_override,
void Server::notifyPlayers(const std::wstring &msg)
{
SendChatMessage(PEER_ID_INEXISTENT,msg);
SendChatMessage(PEER_ID_INEXISTENT, ChatMessage(msg));
}
void Server::spawnParticle(const std::string &playername, v3f pos,

3
src/server.h
View File

@ -38,6 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include "clientiface.h"
#include "remoteplayer.h"
#include "network/networkpacket.h"
#include "chatmessage.h"
#include <string>
#include <list>
#include <map>
@ -388,7 +389,7 @@ private:
void SetBlocksNotSent(std::map<v3s16, MapBlock *>& block);
void SendChatMessage(u16 peer_id, const std::wstring &message);
void SendChatMessage(u16 peer_id, const ChatMessage &message);
void SendTimeOfDay(u16 peer_id, u16 time, f32 time_speed);
void SendPlayerHP(u16 peer_id);