Fun/Yae
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lib update

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HolographicHat
2022-08-12 23:34:04 +08:00
parent 41863c32f7
commit 10dd03335f
8 changed files with 67 additions and 4 deletions
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29
lib/src/dllmain.cpp
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@@ -8,7 +8,7 @@ using std::to_string;
HWND unityWnd = 0;
HANDLE hPipe = 0;
std::set<UINT16> PacketWhitelist = { 172, 198, 112, 2676, 7, 21 }; // ping, token, loginreq
std::set<UINT16> PacketWhitelist = { 172, 198, 112, 2676, 7, 21, 135 }; // ping, token, loginreq
bool OnPacket(KcpPacket* pkt) {
if (pkt->data == nullptr) return true;
@@ -22,12 +22,13 @@ bool OnPacket(KcpPacket* pkt) {
return true;
}
if (!PacketWhitelist.contains(ReadMapped<UINT16>(data->vector, 2))) {
#ifdef _DEBUG
//ifdef _DEBUG
printf("Blocked cmdid: %d\n", ReadMapped<UINT16>(data->vector, 2));
#endif
//endif
delete[] data;
return false;
}
printf("Passed cmdid: %d\n", ReadMapped<UINT16>(data->vector, 2));
if (ReadMapped<UINT16>(data->vector, 2) == 2676) {
auto headLength = ReadMapped<UINT16>(data->vector, 4);
auto dataLength = ReadMapped<UINT32>(data->vector, 6);
@@ -47,6 +48,12 @@ namespace Hook {
return OnPacket(pkt) ? CALL_ORIGIN(Kcp_Send, client, pkt, method) : 0;
}
void MonoLoginMainPage__set_version(void* obj, Il2CppString* value, void* method) {
auto version = IlStringToString(value);
value = string_new(version + " YaeAchievement");
CALL_ORIGIN(MonoLoginMainPage__set_version, obj, value, method);
}
bool Kcp_Recv(void* client, ClientKcpEvent* evt, void* method) {
auto result = CALL_ORIGIN(Kcp_Recv, client, evt, method);
if (result == 0 || evt->fields.type != KcpEventType::EventRecvMsg) {
@@ -54,6 +61,17 @@ namespace Hook {
}
return OnPacket(evt->fields.packet) ? result : false;
}
std::map<INT, UINT> signatures;
ByteArray* UnityEngine_RecordUserData(INT type) {
if (signatures.count(type)) {
return GCHandle_GetObject<ByteArray>(signatures[type]);
}
auto result = CALL_ORIGIN(UnityEngine_RecordUserData, type);
signatures[type] = GCHandle_New(result, true);
return result;
}
}
void Run(HMODULE* phModule) {
@@ -66,8 +84,13 @@ void Run(HMODULE* phModule) {
Sleep(1000);
}
InitIL2CPP();
HookManager::install(Genshin::UnityEngine_RecordUserData, Hook::UnityEngine_RecordUserData);
for (int i = 0; i < 4; i++) {
Genshin::Application_RecordUserData(i, nullptr);
}
HookManager::install(Genshin::Kcp_Send, Hook::Kcp_Send);
HookManager::install(Genshin::Kcp_Recv, Hook::Kcp_Recv);
HookManager::install(Genshin::MonoLoginMainPage__set_version, Hook::MonoLoginMainPage__set_version);
hPipe = CreateFile(R"(\\.\pipe\YaeAchievementPipe)", GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, nullptr);
if (hPipe == INVALID_HANDLE_VALUE) {
Win32ErrorDialog(1001);