Add Prospect.Client.Loader and update Solution config

src/Prospect.Client.Loader/main.cpp

@@ -0,0 +1,139 @@
+#include <windows.h>
+#include <tlhelp32.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+// Function to create and launch a process with parameters
+HANDLE StartProcess(const wchar_t* exePath, DWORD* processID) {
+    STARTUPINFO si = { 0 };
+    PROCESS_INFORMATION pi = { 0 };
+    si.cb = sizeof(si);
+
+    // Command-line arguments to pass to the process
+    wchar_t commandLine[MAX_PATH] = L""; // Buffer for full command
+    _snwprintf_s(commandLine, sizeof(commandLine) / sizeof(wchar_t), L"\"%s\" -log -steam_auth PF_TITLEID=2EA46", exePath);
+
+    if (CreateProcess(NULL, commandLine, NULL, NULL, FALSE, CREATE_SUSPENDED, NULL, NULL, &si, &pi)) {
+        *processID = pi.dwProcessId;
+        printf("Successfully started process: %ls (PID: %lu)\n", exePath, *processID);
+        ResumeThread(pi.hThread);
+        CloseHandle(pi.hThread);
+        return pi.hProcess;
+    }
+    else {
+        printf("Failed to start process. Error: %lu\n", GetLastError());
+        return NULL;
+    }
+}
+
+// Function to get the base address of the main module (PE Image)
+uintptr_t GetModuleBaseAddress(DWORD processID) {
+    uintptr_t baseAddress = 0;
+    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, processID);
+    if (hSnapshot != INVALID_HANDLE_VALUE) {
+        MODULEENTRY32 moduleEntry;
+        moduleEntry.dwSize = sizeof(MODULEENTRY32);
+        if (Module32First(hSnapshot, &moduleEntry)) {
+            baseAddress = (uintptr_t)moduleEntry.modBaseAddr;
+        }
+        CloseHandle(hSnapshot);
+    }
+    else {
+        printf("Failed to take process snapshot. Error: %lu\n", GetLastError());
+    }
+    return baseAddress;
+}
+
+// Function to get a handle to the target process
+HANDLE OpenTargetProcess(DWORD processID) {
+    HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, processID);
+    if (hProcess == NULL) {
+        printf("Failed to open process. Error: %lu\n", GetLastError());
+    }
+    return hProcess;
+}
+
+bool CheckTutorialActorsOffset(HANDLE hProcess, uintptr_t address) {
+    BYTE buffer[2];
+    SIZE_T bytesRead;
+    if (ReadProcessMemory(hProcess, (LPCVOID)address, buffer, sizeof(buffer), &bytesRead)) {
+        return buffer[0] == 0x32 && buffer[1] == 0xDB;
+    } else {
+        DWORD error = GetLastError();
+        if (error == 299) {
+            printf("Incomplete memory read. Retrying...\n");
+            Sleep(1000);
+            return CheckTutorialActorsOffset(hProcess, address);
+        }
+        printf("Failed to read memory. Error: %lu\n", error);
+        return false;
+    }
+}
+
+bool Patch(const wchar_t* processName) {
+    DWORD processID;
+    uintptr_t imageBase, address;
+    BYTE newValues[2] = { 0xB3, 0x01 };
+    SIZE_T bytesWritten;
+
+    HANDLE hProcess = StartProcess(processName, &processID);
+    if (hProcess == NULL) {
+        return false;
+    }
+
+    // Wait a bit for PE image to load
+    Sleep(5000);
+    // Find the PE Image Base Address
+    imageBase = GetModuleBaseAddress(processID);
+    if (imageBase == 0) {
+        printf("Failed to find PE Image Base Address.\n");
+        return false;
+    }
+    printf("PE Image Base Address: 0x%p\n", (void*)imageBase);
+
+    // Season 3 Patch tutorial actors loader: sub_3DA7520 -> loc_3DA75B6
+    address = imageBase + 0x3DA75B6;
+    bool found = CheckTutorialActorsOffset(hProcess, address);
+    if (!found) {
+        // Season 2 Patch tutorial actors loader: sub_3D19900 -> loc_3D19996
+        address = imageBase + 0x3D19996;
+        found = CheckTutorialActorsOffset(hProcess, address);
+    }
+
+    if (!found) {
+        printf("Failed to find necessary memory chunk!");
+        return false;
+    }
+
+    DWORD oldProtect;
+    if (VirtualProtectEx(hProcess, (LPVOID)address, sizeof(newValues), PAGE_EXECUTE_READWRITE, &oldProtect)) {
+        if (WriteProcessMemory(hProcess, (LPVOID)address, newValues, sizeof(newValues), &bytesWritten)) {
+            printf("Memory Write Success: Wrote 0xB3 0x01 at address 0x%p\n", (void*)address);
+        }
+        else {
+            printf("Failed to write memory. Error: %lu\n", GetLastError());
+        }
+        // Restore original protection
+        VirtualProtectEx(hProcess, (LPVOID)address, sizeof(newValues), oldProtect, &oldProtect);
+    }
+    else {
+        printf("Failed to change memory protection. Error: %lu\n", GetLastError());
+    }
+
+    // Clean up
+    CloseHandle(hProcess);
+    return true;
+}
+
+int main() {
+    bool success = Patch(L"Prospect-Win64-Shipping.exe");
+    if (!success) {
+        // Wait for user input to exit
+        printf("An error occurred when patching the executable! Press any key to exit...\n");
+        getchar();
+        return 1;
+    }
+
+    return 0;
+}