TmpMenu/src/byte_patch_manager.cpp
2023-04-17 00:27:02 +02:00

92 lines
4.1 KiB
C++

#include "byte_patch_manager.hpp"
#include "gta/net_array.hpp"
#include "hooking.hpp"
#include "memory/byte_patch.hpp"
#include "pointers.hpp"
#include "util/police.hpp"
#include "util/toxic.hpp"
#include "util/vehicle.hpp"
extern "C" void sound_overload_detour();
std::uint64_t g_sound_overload_ret_addr;
namespace big
{
static void init()
{
// Restore max wanted level after menu unload
police::m_max_wanted_level =
memory::byte_patch::make(g_pointers->m_gta.m_max_wanted_level.add(5).rip().as<uint32_t*>(), 0).get();
police::m_max_wanted_level_2 =
memory::byte_patch::make(g_pointers->m_gta.m_max_wanted_level.add(14).rip().as<uint32_t*>(), 0).get();
// Patch blocked explosions
toxic::explosion_anti_cheat_bypass::m_can_blame_others =
memory::byte_patch::make(g_pointers->m_gta.m_blame_explode.as<std::uint16_t*>(), 0xE990).get();
toxic::explosion_anti_cheat_bypass::m_can_use_blocked_explosions =
memory::byte_patch::make(g_pointers->m_gta.m_explosion_patch.sub(12).as<uint16_t*>(), 0x9090).get();
// Skip matchmaking session validity checks
memory::byte_patch::make(g_pointers->m_gta.m_is_matchmaking_session_valid.as<void*>(), std::to_array({0xB0, 0x01, 0xC3}))
->apply(); // has no observable side effects
// Bypass netarray buffer cache when enabled
broadcast_net_array::m_patch =
memory::byte_patch::make(g_pointers->m_gta.m_broadcast_patch.as<uint8_t*>(), 0xEB).get();
// Disable cheat activated netevent when creator warping
memory::byte_patch::make(g_pointers->m_gta.m_creator_warp_cheat_triggered_patch.as<uint8_t*>(), 0xEB)->apply();
// PapiSysCallService VFT hook
memory::byte_patch::make(g_pointers->m_gta.m_ntqvm_caller.add(4).rip().sub(32).as<uint64_t*>(), (uint64_t)&hooks::nt_query_virtual_memory)
->apply();
// Setup inline hook for sound overload crash protection
g_sound_overload_ret_addr = g_pointers->m_gta.m_sound_overload_detour.add(13 + 15).as<decltype(g_sound_overload_ret_addr)>();
std::vector<byte> bytes = {0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x90}; // far jump opcode + a nop opcode
*(void**)(bytes.data() + 6) = sound_overload_detour;
memory::byte_patch::make(g_pointers->m_gta.m_sound_overload_detour.add(13).as<void*>(), bytes)->apply();
// Disable collision when enabled
vehicle::disable_collisions::m_patch =
memory::byte_patch::make(g_pointers->m_gta.m_disable_collision.sub(2).as<uint8_t*>(), 0xEB).get();
// Crash Trigger
memory::byte_patch::make(g_pointers->m_gta.m_crash_trigger.add(4).as<uint8_t*>(), 0x00)->apply();
// Script VM patches
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_1.add(2).as<uint32_t*>(), 0xc9310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_1.add(6).as<uint16_t*>(), 0x9090)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_2.add(2).as<uint32_t*>(), 0xc9310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_2.add(6).as<uint16_t*>(), 0x9090)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_3.add(2).as<uint32_t*>(), 0xd2310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_3.add(6).as<uint16_t*>(), 0x9090)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_4.add(2).as<uint32_t*>(), 0xd2310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_4.add(6).as<uint16_t*>(), 0x9090)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_5.add(2).as<uint32_t*>(), 0xd2310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_5.add(6).as<uint16_t*>(), 0x9090)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_6.add(2).as<uint32_t*>(), 0xd2310272)->apply();
memory::byte_patch::make(g_pointers->m_gta.m_script_vm_patch_6.add(6).as<uint16_t*>(), 0x9090)->apply();
}
byte_patch_manager::byte_patch_manager()
{
init();
g_byte_patch_manager = this;
}
byte_patch_manager::~byte_patch_manager()
{
memory::byte_patch::restore_all();
g_byte_patch_manager = nullptr;
}
}