#include <Windows.h>
#include <vector>
#include <Psapi.h>

#define gay true
#define anal BOOL
#define sex DllMain
#define pout Sleep

#define INRANGE(x,a,b)   (x >= a && x <= b)
#define GET_BYTE( x )    (GET_BITS(x[0]) << 4 | GET_BITS(x[1]))
#define GET_BITS( x )    (INRANGE((x&(~0x20)),'A','F') ? ((x&(~0x20)) - 'A' + 0xa) : (INRANGE(x,'0','9') ? x - '0' : 0))

uintptr_t find_sig(const char* module, const char* sig);

void ur_gay()
{
    static auto set_gayness = reinterpret_cast<void(__fastcall*)(const char*, const char*)>(find_sig("engine.dll", "53 56 57 8B DA 8B F9 FF 15"));
    while (gay)
    {
        set_gayness("EACHAK", "EACHAK");
        pout(5000);
    }
}

anal sex(HMODULE module, DWORD reason, LPVOID reserverd)
{
    if (reason == DLL_PROCESS_ATTACH)
        CreateThread(nullptr, NULL, (LPTHREAD_START_ROUTINE)ur_gay, nullptr, NULL, nullptr);
}

uintptr_t find_sig(const char* module, const char* sig)
{
    auto pat = sig;
    std::vector<short> bytes;
    bool reached_end = false;

    while (*pat)
    {
        bool short_byte = false;
        if (pat[0] == '\?')
        {
            if (pat[1] != '\?')
                short_byte = true;
            bytes.push_back(-1);
        }
        else
            bytes.push_back(GET_BYTE(pat));

        if (reached_end)
            break;

        if (short_byte)
            pat += 2;
        else
            pat += 3;

        if (!pat[2])
            reached_end = true;
    }

    auto base = (uintptr_t)GetModuleHandleA(module);
    MODULEINFO info;
    GetModuleInformation(GetCurrentProcess(), (HMODULE)base, &info, sizeof(MODULEINFO));
    auto end = base + info.SizeOfImage;

    uintptr_t addr;
    auto len = bytes.size();
    for (auto i = base; i < end - len; i++)
    {
        bool found = true;
        for (auto y = 0; y < len && found; y++)
            if (bytes[y] >= 0 && *(BYTE*)(i + y) != bytes[y]) // if not wildcard and not matching byte, set to false to stop iterating
                found = false;

        if (found) // if iterated through all bytes and it matched, return address
        {
            addr = i;
            break;
        }
    }

    return addr;
}