ObjectDatLoader.cpp

#include <Windows.h>
#include <stdio.h>

void(*LoadObjectData)(const char*) = (void(*)(const char*))0x5B5360;

void Thread(void *param)
{
    Sleep(3000);
    HMODULE hModule = GetModuleHandle(NULL);
    
    HANDLE dir;
    WIN32_FIND_DATA file_data;

    if ((dir = FindFirstFile("./ObjectDat/*", &file_data)) == INVALID_HANDLE_VALUE)
        return;

    do {
        const CHAR* file_name = file_data.cFileName;
        CHAR full_file_name[128];
        sprintf_s(full_file_name, "./ObjectDat/%s", file_name);

        const BOOL is_directory = (file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;

        if (!(file_name[0] == '.' && is_directory))
            LoadObjectData(full_file_name);

    } while (FindNextFile(dir, &file_data));

    FreeLibraryAndExitThread(hModule, 0);
}

BOOL WINAPI DllMain(HINSTANCE hDllHandle, DWORD nReason, LPVOID Reserved)
{
    if (nReason == DLL_PROCESS_ATTACH)
        CreateThread(NULL,NULL,(LPTHREAD_START_ROUTINE)&Thread,NULL,NULL,NULL);

    return TRUE;
}