Silent aim?

#define M_RADPI 57.295779513082

typedef void(__stdcall* CreateMoveFn)(int, float, bool);
CreateMoveFn oCreateMove;

typedef void(__cdecl *MsgFn)(char const* pMsg, va_list);
void __cdecl Msg(char const* msg, ...)
{
	static MsgFn oMsg = (MsgFn)GetProcAddress(GetModuleHandle("tier0.dll"), "Msg");
	char buffer[989];
	va_list list;
	va_start(list, msg);
	vsprintf(buffer, msg, list);
	va_end(list);
	oMsg(buffer, list);
}


void LeftClick()
{
	INPUT    Input = { 0 };
	// left down 
	Input.type = INPUT_MOUSE;
	Input.mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
	::SendInput(1, &Input, sizeof(INPUT));

	// left up
	::ZeroMemory(&Input, sizeof(INPUT));
	Input.type = INPUT_MOUSE;
	Input.mi.dwFlags = MOUSEEVENTF_LEFTUP;
	::SendInput(1, &Input, sizeof(INPUT));
}


void CalcAngle(Vector& src, Vector& dst, Vector& angles, CBaseEntity* ent)
{
	Vector MyPunch = ent->Punch();
	double delta[3] = { (src.x - dst.x), (src.y - dst.y), (src.z - dst.z) };
	double hyp = sqrt(delta[0] * delta[0] + delta[1] * delta[1]);
	angles.x = (float)(atan(delta[2] / hyp) * M_RADPI - MyPunch.x  * 2.0f);
	angles.y= (float)(atan(delta[1] / delta[0]) * M_RADPI - MyPunch.y  * 2.0f);
	angles.z = 0.0f;
	if (delta[0] >= 0.0) {
		angles.y += 180.0f;
	}
}

/*
bool GetBonePosition(CBaseEntity* pPlayer, Vector& Hitbox, int Bone)
{
	matrix3x4_t MatrixArray[128];
	float fTime = Interfaces.Globals->curtime;
	if (fTime < 0.001f)
		return false;
	if (!pPlayer->SetupBones(&MatrixArray[0], 128, 0x00000100, fTime))
		return false;
	printf("OK!\n");
	matrix3x4_t HitboxMatrix = MatrixArray[Bone];
	Hitbox = Vector(HitboxMatrix[0][3], HitboxMatrix[1][3], HitboxMatrix[2][3]);
	return true;
}
*/
bool silent;
void __stdcall hkCreateMove(int sequence_number,
	float input_sample_frametime,
	bool active)
{
	oCreateMove(sequence_number, input_sample_frametime, active);
	CUserCmd* cmdlist = *(CUserCmd**)((DWORD)Interfaces.Input + 0xEC);
	CUserCmd* cmd = &cmdlist[sequence_number % 150];
	//Work here
	CBaseEntity* me = Interfaces.ClientEntList->GetClientEntity(Interfaces.Engine->GetLocalPlayer());
	if (!me)
		return;

	if (GetAsyncKeyState(VK_END))
	{
		silent = !silent;
		if (silent)
			Msg("Silent on!\n");
		else
			Msg("Silent off!\n");
	}
	if (me->GetFlags() & FL_ONGROUND && me->GetCrossId() != 0 && me->GetCrossId() <= Interfaces.Globals->maxClients && GetAsyncKeyState(VK_MBUTTON) & 0x8000)
	{
		CBaseEntity* enemy = Interfaces.ClientEntList->GetClientEntity(me->GetCrossId());
		if(enemy->GetTeamNum() != me->GetTeamNum())
			LeftClick();
	}
	if (silent && me->GetFlags() & FL_ONGROUND && me->GetCrossId() != 0 && me->GetCrossId() <= Interfaces.Globals->maxClients && cmd->buttons & IN_ATTACK)
	{
		CBaseEntity* enemy = Interfaces.ClientEntList->GetClientEntity(me->GetCrossId());
		if (enemy->GetTeamNum() != me->GetTeamNum())
		{
			Vector AimAngles;
			Vector HeadPos;
			//GetBonePosition(enemy, HeadPos, 10);
			CalcAngle(me->GetEyePosition(), enemy->GetEyePosition(), AimAngles, me);
			//printf("Headpos: %g, %g, %g\n", HeadPos.x, HeadPos.y, HeadPos.z);
			cmd->viewangles = AimAngles;
		}
	}
	//Stop work here
	CVerifiedUserCmd* verifiedlist = *(CVerifiedUserCmd**)((DWORD)Interfaces.Input + 0xF0);
	CVerifiedUserCmd* verified = &verifiedlist[sequence_number % 150];
	verified->m_cmd = *cmd;
	verified->m_crc = gCRC.CRC32_ProcessSingleBuffer(cmd, sizeof(cmd));
}