DEVELOPER MODE v0.1: Dev T-Shirts | SCTV | Creator

[mod1113]

thanks, I need some help. how do you exit spectator mode to go to the clothes store to get the shirts? if I go to storymode and back to online, it puts me in spectator mode again

[kingspaulo]

using this i get many gfs hahahahaha

[Wind Keeper]

thanks, I need some help. how do you exit spectator mode to go to the clothes store to get the shirts? if I go to storymode and back to online, it puts me in spectator mode again

just skip this part. Inject on menu, and go online. No SCTV.

[thecoltster1]

Would it be safe to spawn money on other players with another menue, while in SCTV? :P

[cool_username]

with this you can unlock all special tops that you want right?

Sadly, I don't think so. I'm pretty sure the only reason it unlocks the dev shirts is because it tricks the game into thinking you're a dev. The rest of the special tops are unlocked in other ways...like crate drops, logging in during event weekends, awards, etc. For example, I'm not sure if it's possible to trick the game into thinking it's September 18th 2015 to unlock the Vinewood Zombie shirt.

That being said, you'd think it would at least be possible to edit the shirts onto your character with a skin changer, but I've tried all the mod menus and none of them have any of the special tops.

[erggrege54ty45]

For any developers wondering how I did this, here's the code I wrote to hook into natives. Well actually the following code is an enhanced version, cause the .dll I released doesn't call back to the original native (but always returns something != 0). However that doesn't change anything in terms of functionality, so I won't release a new version of the compiled dll.

#define MAX_HOOKS 1000

typedef struct _HOOK_INFO
{
	ULONG_PTR Function;
	ULONG_PTR Hook;
	ULONG_PTR OrigBytes;
} HOOK_INFO, *PHOOK_INFO;

HOOK_INFO HookInfo[MAX_HOOKS];
UINT NumberOfHooks = 0;

BYTE *pOrigBytesBuffer = NULL; 

HOOK_INFO *GetHookInfoFromFunction(ULONG_PTR OriginalFunction)
{
	if (NumberOfHooks == 0)
		return NULL;

	for (UINT x = 0; x < NumberOfHooks; x++)
	{
		if (HookInfo[x].Function == OriginalFunction)
			return &HookInfo[x];
	}

	return NULL;
}

void WriteJump(void *pAddress, ULONG_PTR JumpTo)
{
	DWORD dwOldProtect = 0;

	VirtualProtect(pAddress, 14, PAGE_EXECUTE_READWRITE, &dwOldProtect);

	BYTE *pCur = (BYTE *)pAddress;

	*pCur = 0xff;		// jmp [rip+addr]
	*(++pCur) = 0x25;
	*((DWORD *) ++pCur) = 0; // addr = 0
	pCur += sizeof(DWORD);
	*((ULONG_PTR *)pCur) = JumpTo;

	DWORD dwBuf = 0;

	VirtualProtect(pAddress, 14, dwOldProtect, &dwBuf);
}

void *BackupOrigBytes(ULONG_PTR originalFunction)
{
	if (pOrigBytesBuffer == NULL) {
		pOrigBytesBuffer = (BYTE *)VirtualAlloc(NULL, MAX_HOOKS * 14, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
	}

	VOID *pOrigBytes = (VOID *)&pOrigBytesBuffer[NumberOfHooks * 14];

	memcpy(&pOrigBytesBuffer[NumberOfHooks * 14], (void *)originalFunction, 14);

	return pOrigBytes;
}

void hookNative(UINT64 hash, ULONG_PTR hookFunction = NULL)
{
	auto originalFunction = GetNativeHandler(hash);

	HOOK_INFO *hinfo = GetHookInfoFromFunction((ULONG_PTR) originalFunction);

	if (hinfo) {
		WriteJump(originalFunction, hinfo->Hook);
	}
	else
	{
		if (NumberOfHooks == (MAX_HOOKS - 1))
			return;

		VOID *pOrigBytes = BackupOrigBytes((ULONG_PTR)originalFunction);

		HookInfo[NumberOfHooks].Function = (ULONG_PTR)originalFunction;
		HookInfo[NumberOfHooks].OrigBytes = (ULONG_PTR)pOrigBytes;
		HookInfo[NumberOfHooks].Hook = hookFunction;

		NumberOfHooks++;

		WriteJump(originalFunction, hookFunction);
	}
}

void unhookNative(UINT64 hash) {
	auto originalFunction = GetNativeHandler(hash);

	HOOK_INFO *hinfo = GetHookInfoFromFunction((ULONG_PTR)originalFunction);

	DWORD dwOldProtect = 0;

	VirtualProtect(originalFunction, 14, PAGE_EXECUTE_READWRITE, &dwOldProtect);

	memcpy((void *)hinfo->Function, (void *)hinfo->OrigBytes, 14);

	DWORD dwBuf = 0;
	VirtualProtect(originalFunction, 14, dwOldProtect, &dwBuf);
}

void* __cdecl MY_IS_DLC_PRESENT(NativeContext *cxt) {
	
	Hash DlcHash = cxt->GetArgument<Hash>(0);

	if (DlcHash == 2532323046) { // DEV
		// game game requested dev dlc -> return true;
		cxt->SetResult(0, true);
		return cxt;
	}

	// restore original function
	unhookNative(0x2D6859674806FDCE); 
	
	// get result of original function
	BOOL result = DLC2::IS_DLC_PRESENT(cxt->GetArgument<Hash>(0)); 
	cxt->SetResult(0, result);

	// hook us up again
	hookNative(0x2D6859674806FDCE);

	return cxt;
}

void HookNatives() {
	hookNative(0x2D6859674806FDCE, (ULONG_PTR) &MY_IS_DLC_PRESENT);
}

Adding this code in a new cpp to m0d-s0beit-v Redux and calling HookNatives() in dllmain actually makes the client think you are a developer (Dev T-Shirts, SCTV and something in the Creator). The game just checks for a specific DLC to set the dev flag.

I got many ideas from Daniel Pistelli's NtHookEngine, but decided to leave out the disassambly and bridge/trampoline part and instead just create a simple unhook/hook. So my code isn't thread-safe and theoretically another thread could call the native when it's unhooked/rehooked to call the original function, resulting in an unhooked call. However, my tests showed that only one thread is calling the natives anyway.

Should work for any native this way! Arguments may need to be fetched in reversed order for functions with multiple parameters. Didn't try yet though.

Obviously there aren't many error checks and you probably want to create a new thread that's waiting for the natives to be ready and checks the result of GetNativeHandler before blindly writing into GTA's memory to avoid game crashes when injecting prior to the game menu. But I just wrote that code quick&dirty when I had a bit of spare time at work yesterday + today. So feel free to make this bulletproof, use for your menu bases and build new interesting features using hooked natives!

Verry nice thanks for this

[JhamaicanHD]

what ddl injetcor to use for this mod? pls reply

[Amicu19]

Sadly, I don't think so. I'm pretty sure the only reason it unlocks the dev shirts is because it tricks the game into thinking you're a dev. The rest of the special tops are unlocked in other ways...like crate drops, logging in during event weekends, awards, etc. For example, I'm not sure if it's possible to trick the game into thinking it's September 18th 2015 to unlock the Vinewood Zombie shirt.

That being said, you'd think it would at least be possible to edit the shirts onto your character with a skin changer, but I've tried all the mod menus and none of them have any of the special tops.

yeah i tried all menus and chose unlock all clothing but nothing happened.
hope someday the creator have ways to make this come. like this tool, no one ever published this before and kinda impossible to have dev t-shirt but now we have it. what a genius! lol

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what ddl injetcor to use for this mod? pls reply

i use extreme injector v3 and it works perfectly.