Developer knowledge network ยท moderated exchange

Komunitas Kode Tidak Dapat Diandalkan

Riset Pengembang, Rekayasa Terbalik & Komunitas Pengkodean

Knowledge indexHidup
4Categories
919Threads
2.8KPostingan
Tutorial

CitizenFX FiveM Native Invoker architecture in modern C++

fivem_native_guru
CitizenFX Dev
MEMBER
Reputasi: 182
Tanggal Bergabung: May 2021
Postingan: 8
Terima kasih: 69
1 bulan yang lalu ยท Jun 28, 2026 8:47 AM
#1

How to execute native game functions inside FiveM's runtime:

CPP
class NativeContext {
public:
    uint64_t* m_pReturn;
    uint32_t  m_nArgCount;
    uint64_t* m_pArgs;
    uint32_t  m_nDataCount;
    uint8_t   m_vectorSpace[128];
    
    template <typename T>
    void Push(T val) {
        *(T*)(m_pArgs + m_nArgCount) = val;
        m_nArgCount++;
    }
    
    template <typename T>
    T GetResult() {
        return *(T*)m_pReturn;
    }
};

void CallNative(uint64_t hash, NativeContext* ctx) {
    auto fnHandler = GetNativeHandler(hash);
    if (fnHandler) fnHandler((scrNativeCallContext*)ctx);
}

Allows calling GET_PLAYER_PED(), SET_ENTITY_COORDS(), and CREATE_VEHICLE() effortlessly.

fivem_native_coder
Lua Scripter
MEMBER
Reputasi: 64
Tanggal Bergabung: Jun 2019
Postingan: 20
Terima kasih: 48
1 bulan yang lalu ยท Jun 28, 2026 12:45 PM
#2

Clean NativeContext wrapper. Always ensure vector return types write back to m_vectorSpace to prevent buffer overflows.

vtable_slayer
Senior Reverser
MEMBER
Reputasi: 215
Tanggal Bergabung: Mar 2018
Postingan: 86
Terima kasih: 61
1 bulan yang lalu ยท Jun 28, 2026 8:15 PM
#3

Works on both FiveM Release and Canary channels.