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Replace binary servers.db with text-based servers.txt (name:ip:port)

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This commit is contained in:
daoge_cmd
2026-03-09 05:44:27 +08:00
parent 88798b501d
commit 88b2f831a0
7 changed files with 143 additions and 248 deletions
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71
Minecraft.Client/Common/Network/PlatformNetworkManagerStub.cpp
View File

@@ -811,54 +811,45 @@ void CPlatformNetworkManagerStub::SearchForGames()
friendsSessions[0].push_back(info); friendsSessions[0].push_back(info);
} }
std::FILE* file = std::fopen("servers.db", "rb"); std::FILE* file = std::fopen("servers.txt", "r");
if (file) { if (file) {
char magic[4] = {}; char line[512];
if (std::fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0) while (std::fgets(line, sizeof(line), file))
{ {
uint32_t version = 0, count = 0; int l = (int)strlen(line);
std::fread(&version, sizeof(uint32_t), 1, file); while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
std::fread(&count, sizeof(uint32_t), 1, file); line[--l] = '\0';
if (l == 0) continue;
if (version == 1) // Format: name:ip:port
{ char* lastColon = strrchr(line, ':');
for (uint32_t s = 0; s < count; s++) if (!lastColon) continue;
{ *lastColon = '\0';
uint16_t ipLen = 0, port = 0, nameLen = 0; uint16_t port = (uint16_t)atoi(lastColon + 1);
if (std::fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break;
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {}; char* secondColon = strrchr(line, ':');
if (std::fread(ipBuf, 1, ipLen, file) != ipLen) break; if (!secondColon) continue;
*secondColon = '\0';
char* ipBuf = secondColon + 1;
char* nameBuf = line;
if (std::fread(&port, sizeof(uint16_t), 1, file) != 1) break; if (port == 0 || strlen(ipBuf) == 0) continue;
if (std::fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break; wstring wName = convStringToWstring(nameBuf);
if (nameLen > 256) break;
char nameBuf[257] = {}; FriendSessionInfo* info = new FriendSessionInfo();
if (nameLen > 0) size_t nLen = wName.length();
{ info->displayLabel = new wchar_t[nLen + 1];
if (std::fread(nameBuf, 1, nameLen, file) != nameLen) break; wcscpy_s(info->displayLabel, nLen + 1, wName.c_str());
} info->displayLabelLength = (unsigned char)nLen;
info->displayLabelViewableStartIndex = 0;
wstring wName = convStringToWstring(nameBuf); info->data.isReadyToJoin = true;
info->data.isJoinable = true;
FriendSessionInfo* info = new FriendSessionInfo(); strncpy_s(info->data.hostIP, sizeof(info->data.hostIP), ipBuf, _TRUNCATE);
size_t nLen = wName.length(); info->data.hostPort = port;
info->displayLabel = new wchar_t[nLen + 1]; info->sessionId = (SessionID)(static_cast<uint64_t>(inet_addr(ipBuf)) | (static_cast<uint64_t>(port) << 32));
wcscpy_s(info->displayLabel, nLen + 1, wName.c_str()); friendsSessions[0].push_back(info);
info->displayLabelLength = (unsigned char)nLen;
info->displayLabelViewableStartIndex = 0;
info->data.isReadyToJoin = true;
info->data.isJoinable = true;
strncpy_s(info->data.hostIP, sizeof(info->data.hostIP), ipBuf, _TRUNCATE);
info->data.hostPort = port;
info->sessionId = (SessionID)(static_cast<uint64_t>(inet_addr(ipBuf)) | (static_cast<uint64_t>(port) << 32));
friendsSessions[0].push_back(info);
}
}
} }
std::fclose(file); std::fclose(file);
} }

140
Minecraft.Client/Common/UI/UIScene_JoinMenu.cpp
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@@ -840,134 +840,100 @@ void UIScene_JoinMenu::UpdateServerInFile(const wstring& newIP, const wstring& n
wcstombs(narrowNewPort, newPort.c_str(), sizeof(narrowNewPort) - 1); wcstombs(narrowNewPort, newPort.c_str(), sizeof(narrowNewPort) - 1);
wcstombs(narrowNewName, newName.c_str(), sizeof(narrowNewName) - 1); wcstombs(narrowNewName, newName.c_str(), sizeof(narrowNewName) - 1);
uint16_t newPortNum = (uint16_t)atoi(narrowNewPort); struct ServerEntry { std::string ip; std::string port; std::string name; };
struct ServerEntry { std::string ip; uint16_t port; std::string name; };
std::vector<ServerEntry> entries; std::vector<ServerEntry> entries;
FILE* file = fopen("servers.db", "rb"); FILE* file = fopen("servers.txt", "r");
if (file) if (file)
{ {
char magic[4] = {}; char line[512];
if (fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0) while (fgets(line, sizeof(line), file))
{ {
uint32_t version = 0, count = 0; int l = (int)strlen(line);
fread(&version, sizeof(uint32_t), 1, file); while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
fread(&count, sizeof(uint32_t), 1, file); line[--l] = '\0';
if (version == 1) if (l == 0) continue;
{
for (uint32_t s = 0; s < count; s++) char* lastColon = strrchr(line, ':');
{ if (!lastColon) continue;
uint16_t ipLen = 0, p = 0, nameLen = 0; *lastColon = '\0';
if (fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break; std::string port(lastColon + 1);
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {}; char* secondColon = strrchr(line, ':');
if (fread(ipBuf, 1, ipLen, file) != ipLen) break; if (!secondColon) continue;
if (fread(&p, sizeof(uint16_t), 1, file) != 1) break; *secondColon = '\0';
if (fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break; std::string ip(secondColon + 1);
if (nameLen > 256) break; std::string name(line);
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, file) != nameLen) break; uint16_t portVal = (uint16_t)atoi(port.c_str());
entries.push_back({std::string(ipBuf), p, std::string(nameBuf)}); if (portVal == 0 || ip.empty()) continue;
}
} entries.push_back({ip, port, name});
} }
fclose(file); fclose(file);
} }
// Find and update the matching entry by original IP and port
int idx = m_serverIndex; int idx = m_serverIndex;
if (idx >= 0 && idx < (int)entries.size()) if (idx >= 0 && idx < (int)entries.size())
{ {
entries[idx].ip = std::string(narrowNewIP); entries[idx].ip = std::string(narrowNewIP);
entries[idx].port = newPortNum; entries[idx].port = std::string(narrowNewPort);
entries[idx].name = std::string(narrowNewName); entries[idx].name = std::string(narrowNewName);
} }
file = fopen("servers.db", "wb"); file = fopen("servers.txt", "w");
if (file) if (file)
{ {
fwrite("MCSV", 1, 4, file);
uint32_t version = 1;
uint32_t count = (uint32_t)entries.size();
fwrite(&version, sizeof(uint32_t), 1, file);
fwrite(&count, sizeof(uint32_t), 1, file);
for (size_t i = 0; i < entries.size(); i++) for (size_t i = 0; i < entries.size(); i++)
{ fprintf(file, "%s:%s:%s\n", entries[i].name.c_str(), entries[i].ip.c_str(), entries[i].port.c_str());
uint16_t ipLen = (uint16_t)entries[i].ip.length();
fwrite(&ipLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].ip.c_str(), 1, ipLen, file);
fwrite(&entries[i].port, sizeof(uint16_t), 1, file);
uint16_t nameLen = (uint16_t)entries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].name.c_str(), 1, nameLen, file);
}
fclose(file); fclose(file);
} }
} }
void UIScene_JoinMenu::RemoveServerFromFile() void UIScene_JoinMenu::RemoveServerFromFile()
{ {
struct ServerEntry { std::string ip; uint16_t port; std::string name; }; struct ServerEntry { std::string name; std::string ip; std::string port; };
std::vector<ServerEntry> entries; std::vector<ServerEntry> entries;
FILE* file = fopen("servers.db", "rb"); FILE* file = fopen("servers.txt", "r");
if (file) if (file)
{ {
char magic[4] = {}; char line[512];
if (fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0) while (fgets(line, sizeof(line), file))
{ {
uint32_t version = 0, count = 0; int l = (int)strlen(line);
fread(&version, sizeof(uint32_t), 1, file); while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
fread(&count, sizeof(uint32_t), 1, file); line[--l] = '\0';
if (version == 1) if (l == 0) continue;
{
for (uint32_t s = 0; s < count; s++) char* lastColon = strrchr(line, ':');
{ if (!lastColon) continue;
uint16_t ipLen = 0, p = 0, nameLen = 0; *lastColon = '\0';
if (fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break; std::string port(lastColon + 1);
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {}; char* secondColon = strrchr(line, ':');
if (fread(ipBuf, 1, ipLen, file) != ipLen) break; if (!secondColon) continue;
if (fread(&p, sizeof(uint16_t), 1, file) != 1) break; *secondColon = '\0';
if (fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break; std::string ip(secondColon + 1);
if (nameLen > 256) break; std::string name(line);
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, file) != nameLen) break; uint16_t portVal = (uint16_t)atoi(port.c_str());
entries.push_back({std::string(ipBuf), p, std::string(nameBuf)}); if (portVal == 0 || ip.empty()) continue;
}
} entries.push_back({name, ip, port});
} }
fclose(file); fclose(file);
} }
// Remove the entry at m_serverIndex
int idx = m_serverIndex; int idx = m_serverIndex;
if (idx >= 0 && idx < (int)entries.size()) if (idx >= 0 && idx < (int)entries.size())
{
entries.erase(entries.begin() + idx); entries.erase(entries.begin() + idx);
}
file = fopen("servers.db", "wb"); file = fopen("servers.txt", "w");
if (file) if (file)
{ {
fwrite("MCSV", 1, 4, file);
uint32_t version = 1;
uint32_t count = (uint32_t)entries.size();
fwrite(&version, sizeof(uint32_t), 1, file);
fwrite(&count, sizeof(uint32_t), 1, file);
for (size_t i = 0; i < entries.size(); i++) for (size_t i = 0; i < entries.size(); i++)
{ fprintf(file, "%s:%s:%s\n", entries[i].name.c_str(), entries[i].ip.c_str(), entries[i].port.c_str());
uint16_t ipLen = (uint16_t)entries[i].ip.length();
fwrite(&ipLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].ip.c_str(), 1, ipLen, file);
fwrite(&entries[i].port, sizeof(uint16_t), 1, file);
uint16_t nameLen = (uint16_t)entries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].name.c_str(), 1, nameLen, file);
}
fclose(file); fclose(file);
} }
} }

2
Minecraft.Client/Common/UI/UIScene_JoinMenu.h
View File

@@ -63,7 +63,7 @@ private:
bool m_friendInfoUpdatedERROR; bool m_friendInfoUpdatedERROR;
#ifdef _WINDOWS64 #ifdef _WINDOWS64
int m_serverIndex; // Index in servers.db, -1 if not a saved server int m_serverIndex; // Index in servers.txt, -1 if not a saved server
enum eEditServerPhase { eEditServer_Idle, eEditServer_IP, eEditServer_Port, eEditServer_Name }; enum eEditServerPhase { eEditServer_Idle, eEditServer_IP, eEditServer_Port, eEditServer_Name };
eEditServerPhase m_editServerPhase; eEditServerPhase m_editServerPhase;
wstring m_editServerIP; wstring m_editServerIP;

85
Minecraft.Client/Common/UI/UIScene_LoadOrJoinMenu.cpp
View File

@@ -1773,17 +1773,30 @@ void UIScene_LoadOrJoinMenu::CheckAndJoinGame(int gameIndex)
{ {
int serverDbCount = 0; int serverDbCount = 0;
FILE* dbFile = fopen("servers.db", "rb"); FILE* dbFile = fopen("servers.txt", "r");
if (dbFile) if (dbFile)
{ {
char magic[4] = {}; char line[512];
if (fread(magic, 1, 4, dbFile) == 4 && memcmp(magic, "MCSV", 4) == 0) while (fgets(line, sizeof(line), dbFile))
{ {
uint32_t version = 0, count = 0; int l = (int)strlen(line);
fread(&version, sizeof(uint32_t), 1, dbFile); while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
fread(&count, sizeof(uint32_t), 1, dbFile); line[--l] = '\0';
if (version == 1) if (l == 0) continue;
serverDbCount = (int)count;
char* lastColon = strrchr(line, ':');
if (!lastColon) continue;
*lastColon = '\0';
uint16_t port = (uint16_t)atoi(lastColon + 1);
char* secondColon = strrchr(line, ':');
if (!secondColon) continue;
*secondColon = '\0';
char* ipBuf = secondColon + 1;
if (port == 0 || strlen(ipBuf) == 0) continue;
serverDbCount++;
} }
fclose(dbFile); fclose(dbFile);
} }
@@ -4242,62 +4255,10 @@ void UIScene_LoadOrJoinMenu::AppendServerToFile(const wstring& ip, const wstring
wcstombs(narrowPort, port.c_str(), sizeof(narrowPort) - 1); wcstombs(narrowPort, port.c_str(), sizeof(narrowPort) - 1);
wcstombs(narrowName, name.c_str(), sizeof(narrowName) - 1); wcstombs(narrowName, name.c_str(), sizeof(narrowName) - 1);
uint16_t portNum = (uint16_t)atoi(narrowPort); FILE* file = fopen("servers.txt", "a");
struct ServerEntry { std::string ip; uint16_t port; std::string name; };
std::vector<ServerEntry> entries;
FILE* file = fopen("servers.db", "rb");
if (file) if (file)
{ {
char magic[4] = {}; fprintf(file, "%s:%s:%s\n", narrowName, narrowIP, narrowPort);
if (fread(magic, 1, 4, file) == 4 && memcmp(magic, "MCSV", 4) == 0)
{
uint32_t version = 0, count = 0;
fread(&version, sizeof(uint32_t), 1, file);
fread(&count, sizeof(uint32_t), 1, file);
if (version == 1)
{
for (uint32_t s = 0; s < count; s++)
{
uint16_t ipLen = 0, p = 0, nameLen = 0;
if (fread(&ipLen, sizeof(uint16_t), 1, file) != 1) break;
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {};
if (fread(ipBuf, 1, ipLen, file) != ipLen) break;
if (fread(&p, sizeof(uint16_t), 1, file) != 1) break;
if (fread(&nameLen, sizeof(uint16_t), 1, file) != 1) break;
if (nameLen > 256) break;
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, file) != nameLen) break;
entries.push_back({std::string(ipBuf), p, std::string(nameBuf)});
}
}
}
fclose(file);
}
entries.push_back({std::string(narrowIP), portNum, std::string(narrowName)});
file = fopen("servers.db", "wb");
if (file)
{
fwrite("MCSV", 1, 4, file);
uint32_t version = 1;
uint32_t count = (uint32_t)entries.size();
fwrite(&version, sizeof(uint32_t), 1, file);
fwrite(&count, sizeof(uint32_t), 1, file);
for (size_t i = 0; i < entries.size(); i++)
{
uint16_t ipLen = (uint16_t)entries[i].ip.length();
fwrite(&ipLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].ip.c_str(), 1, ipLen, file);
fwrite(&entries[i].port, sizeof(uint16_t), 1, file);
uint16_t nameLen = (uint16_t)entries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, file);
fwrite(entries[i].name.c_str(), 1, nameLen, file);
}
fclose(file); fclose(file);
} }
} }

2
Minecraft.Client/Common/UI/UIStructs.h
View File

@@ -281,7 +281,7 @@ typedef struct _JoinMenuInitData
FriendSessionInfo *selectedSession; FriendSessionInfo *selectedSession;
int iPad; int iPad;
#ifdef _WINDOWS64 #ifdef _WINDOWS64
int serverIndex; // Index of the server in servers.db, -1 if not a saved server int serverIndex; // Index of the server in servers.txt, -1 if not a saved server
#endif #endif
} JoinMenuInitData; } JoinMenuInitData;

77
Minecraft.Client/Windows64/Windows64_Minecraft.cpp
View File

@@ -1581,67 +1581,50 @@ int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
MultiByteToWideChar(CP_ACP, 0, g_Win64Username, -1, g_Win64UsernameW, 17); MultiByteToWideChar(CP_ACP, 0, g_Win64Username, -1, g_Win64UsernameW, 17);
// convert servers.txt to servers.db // convert servers.db to servers.txt
if (GetFileAttributesA("servers.txt") != INVALID_FILE_ATTRIBUTES && if (GetFileAttributesA("servers.db") != INVALID_FILE_ATTRIBUTES &&
GetFileAttributesA("servers.db") == INVALID_FILE_ATTRIBUTES) GetFileAttributesA("servers.txt") == INVALID_FILE_ATTRIBUTES)
{ {
FILE* txtFile = nullptr; FILE* dbFile = nullptr;
if (fopen_s(&txtFile, "servers.txt", "r") == 0 && txtFile) if (fopen_s(&dbFile, "servers.db", "rb") == 0 && dbFile)
{ {
struct MigEntry { std::string ip; uint16_t port; std::string name; }; struct MigEntry { std::string ip; uint16_t port; std::string name; };
std::vector<MigEntry> migEntries; std::vector<MigEntry> migEntries;
char line[512];
while (fgets(line, sizeof(line), txtFile)) char magic[4] = {};
if (fread(magic, 1, 4, dbFile) == 4 && memcmp(magic, "MCSV", 4) == 0)
{ {
int l = (int)strlen(line); uint32_t version = 0, count = 0;
while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' ')) fread(&version, sizeof(uint32_t), 1, dbFile);
line[--l] = '\0'; fread(&count, sizeof(uint32_t), 1, dbFile);
if (l == 0) continue; if (version == 1)
std::string srvIP = line;
if (!fgets(line, sizeof(line), txtFile)) break;
l = (int)strlen(line);
while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' '))
line[--l] = '\0';
uint16_t srvPort = (uint16_t)atoi(line);
std::string srvName;
if (fgets(line, sizeof(line), txtFile))
{ {
l = (int)strlen(line); for (uint32_t s = 0; s < count; s++)
while (l > 0 && (line[l - 1] == '\n' || line[l - 1] == '\r' || line[l - 1] == ' ')) {
line[--l] = '\0'; uint16_t ipLen = 0, p = 0, nameLen = 0;
srvName = line; if (fread(&ipLen, sizeof(uint16_t), 1, dbFile) != 1) break;
if (ipLen == 0 || ipLen > 256) break;
char ipBuf[257] = {};
if (fread(ipBuf, 1, ipLen, dbFile) != ipLen) break;
if (fread(&p, sizeof(uint16_t), 1, dbFile) != 1) break;
if (fread(&nameLen, sizeof(uint16_t), 1, dbFile) != 1) break;
if (nameLen > 256) break;
char nameBuf[257] = {};
if (nameLen > 0 && fread(nameBuf, 1, nameLen, dbFile) != nameLen) break;
migEntries.push_back({std::string(ipBuf), p, std::string(nameBuf)});
}
} }
if (!srvIP.empty() && srvPort > 0)
migEntries.push_back({srvIP, srvPort, srvName});
} }
fclose(txtFile); fclose(dbFile);
if (!migEntries.empty()) if (!migEntries.empty())
{ {
FILE* dbFile = nullptr; FILE* txtFile = nullptr;
if (fopen_s(&dbFile, "servers.db", "wb") == 0 && dbFile) if (fopen_s(&txtFile, "servers.txt", "w") == 0 && txtFile)
{ {
fwrite("MCSV", 1, 4, dbFile);
uint32_t ver = 1;
uint32_t cnt = (uint32_t)migEntries.size();
fwrite(&ver, sizeof(uint32_t), 1, dbFile);
fwrite(&cnt, sizeof(uint32_t), 1, dbFile);
for (size_t i = 0; i < migEntries.size(); i++) for (size_t i = 0; i < migEntries.size(); i++)
{ fprintf(txtFile, "%s:%s:%u\n", migEntries[i].name.c_str(), migEntries[i].ip.c_str(), migEntries[i].port);
uint16_t ipLen = (uint16_t)migEntries[i].ip.length(); fclose(txtFile);
fwrite(&ipLen, sizeof(uint16_t), 1, dbFile);
fwrite(migEntries[i].ip.c_str(), 1, ipLen, dbFile);
fwrite(&migEntries[i].port, sizeof(uint16_t), 1, dbFile);
uint16_t nameLen = (uint16_t)migEntries[i].name.length();
fwrite(&nameLen, sizeof(uint16_t), 1, dbFile);
fwrite(migEntries[i].name.c_str(), 1, nameLen, dbFile);
}
fclose(dbFile);
} }
} }
} }

14
README.md
View File

@@ -35,7 +35,7 @@ Basic LAN multiplayer is available on the Windows build
- Other players on the same LAN can discover the session from the in-game Join Game menu - Other players on the same LAN can discover the session from the in-game Join Game menu
- Game connections use TCP port `25565` by default - Game connections use TCP port `25565` by default
- LAN discovery uses UDP port `25566` - LAN discovery uses UDP port `25566`
- Add servers to your server list with `servers.txt` (temp solution) - Add servers to your server list with `servers.txt`
- Rename yourself without losing data by keeping your `uid.dat` - Rename yourself without losing data by keeping your `uid.dat`
Parts of this feature are based on code from [LCEMP](https://github.com/LCEMP/LCEMP) (thanks!) Parts of this feature are based on code from [LCEMP](https://github.com/LCEMP/LCEMP) (thanks!)
@@ -44,19 +44,13 @@ Parts of this feature are based on code from [LCEMP](https://github.com/LCEMP/LC
To add a server to your game, create the `servers.txt` file in the same directory as you have `Minecraft.Client.exe`. Inside, follow this format: To add a server to your game, create the `servers.txt` file in the same directory as you have `Minecraft.Client.exe`. Inside, follow this format:
``` ```
serverip.example.com name:ip:port
25565
The name of your server in UI!
``` ```
For example, here's a valid servers.txt For example, here's a valid servers.txt
``` ```
1.1.1.1 Cloudflare's Very Own LCE Server:1.1.1.1:25565
25565 Localhost Test Crap:127.0.0.1:25565
Cloudflare's Very Own LCE Server
127.0.0.1
25565
Localhost Test Crap
``` ```
### Launch Arguments ### Launch Arguments