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il2cpp header for C Code

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Frouk
Grandmaster Cheater

Reputation: 5

Joined: 22 Jun 2021
Posts: 515

Posted: Mon Mar 02, 2026 2:40 am Post subject: il2cpp header for C Code

I wrote a quick header for using IL2CPP easier, without need of writing il2cpp objects
Make sure to rename the extension to .h, and move it into Cheat Engine/include/ directory

Code:

{$c}
#define UNITY_VERSION_2022_3_8F1 // if later or this build
#include <il2cpp.h>
{$asm}

This should be used before any code
Examples:

Code:

{$ccode}
Il2CppClass *kl = FindClass("Example", "MyClass");
if (!kl)
return;

void *(__fastcall *GetNewMethod)(Il2CppString *arg1, int arg2) = Class_GetMethod(kl, "GetNewMethod", -1)->m_pMethodPointer;

Il2CppString *str = StringUTF16_NoGC_New(L"SomethingSomething");
GetNewMethod(str, 0);
il2cpp_free(str); // On any allocation make sure to use il2cpp_free
{$asm}

Code:

{$ccode}
Il2CppClass *kl = FindClass("Example", "MyClass");
if (!kl)
return;

Il2CppFieldInfo *instField = il2cpp_class_get_field_from_name(kl, "_instance");
void *instance = NULL;
il2cpp_field_static_get_value(instField, &instance);

if (instance)
...

il2cpp.lua

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il2cpp.lua

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