Rim/iw4x-client
Rim/iw4x-client
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Bitwise operator patching

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This commit is contained in:
momo5502 2015-12-23 15:00:01 +01:00
parent 3d10c578e0
commit 0bbdba60f3
4 changed files with 41 additions and 7 deletions
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3
iw4/Components/Console.cpp
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@ -5,8 +5,7 @@ namespace Components
void Console::ToggleConsole() void Console::ToggleConsole()
{ {
// possibly cls.keyCatchers? // possibly cls.keyCatchers?
DWORD catcher = 0xB2C538; Utils::Hook::Xor<DWORD>(0xB2C538, 1);
Utils::Hook::Set<DWORD>(catcher, Utils::Hook::Get<DWORD>(catcher) ^ 1);
// g_consoleField // g_consoleField
Game::Field_Clear((void*)0xA1B6B0); Game::Field_Clear((void*)0xA1B6B0);

8
iw4/Components/Dvar.cpp
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@ -116,16 +116,16 @@ namespace Components
Dvar::Dvar() Dvar::Dvar()
{ {
// set flags of cg_drawFPS to archive // set flags of cg_drawFPS to archive
*(BYTE*)0x4F8F69 |= Game::dvar_flag::DVAR_FLAG_SAVED; Utils::Hook::Or<BYTE>(0x4F8F69, Game::dvar_flag::DVAR_FLAG_SAVED);
// un-cheat cg_fov and add archive flags // un-cheat cg_fov and add archive flags
*(BYTE*)0x4F8E35 ^= Game::dvar_flag::DVAR_FLAG_CHEAT | Game::dvar_flag::DVAR_FLAG_SAVED; Utils::Hook::Xor<BYTE>(0x4F8E35, Game::dvar_flag::DVAR_FLAG_CHEAT | Game::dvar_flag::DVAR_FLAG_SAVED);
// set cg_fov max to 90.0 // set cg_fov max to 90.0
static float cgFov90 = 90.0f; static float cgFov90 = 90.0f;
*(DWORD*)0x4F8E28 = (DWORD)&cgFov90; Utils::Hook::Set<float*>(0x4F8E28, &cgFov90);
Dvar::Var::Register<bool>("zob", true, Game::dvar_flag::DVAR_FLAG_NONE, "test dvar"); //Dvar::Var::Register<bool>("zob", true, Game::dvar_flag::DVAR_FLAG_NONE, "test dvar");
//Dvar::Var::Register<const char*>("zob2", "test", Game::dvar_flag::DVAR_FLAG_NONE, "test dvar3"); //Dvar::Var::Register<const char*>("zob2", "test", Game::dvar_flag::DVAR_FLAG_NONE, "test dvar3");
} }
} }

4
iw4/Main.cpp
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@ -1,9 +1,10 @@
#include "STDInclude.hpp" #include "STDInclude.hpp"
Utils::Hook EntryPointHook;
BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{ {
static Utils::Hook EntryPointHook;
if (ul_reason_for_call == DLL_PROCESS_ATTACH) if (ul_reason_for_call == DLL_PROCESS_ATTACH)
{ {
FreeConsole(); FreeConsole();
@ -16,6 +17,7 @@ BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReser
EntryPointHook.Uninstall(); EntryPointHook.Uninstall();
Components::Loader::Initialize(); Components::Loader::Initialize();
__asm jmp EntryPointHook.Place __asm jmp EntryPointHook.Place
}))->Install(); }))->Install();
} }
else if (ul_reason_for_call == DLL_PROCESS_DETACH) else if (ul_reason_for_call == DLL_PROCESS_DETACH)

33
iw4/Utils/Hooking.hpp
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@ -36,6 +36,39 @@ namespace Utils
return Set<T>((void*)place, value); return Set<T>((void*)place, value);
} }
template <typename T> static void Xor(void* place, T value)
{
*(T*)place ^= value;
FlushInstructionCache(GetCurrentProcess(), place, sizeof(T));
}
template <typename T> static void Xor(DWORD place, T value)
{
return Xor<T>((void*)place, value);
}
template <typename T> static void Or(void* place, T value)
{
*(T*)place |= value;
FlushInstructionCache(GetCurrentProcess(), place, sizeof(T));
}
template <typename T> static void Or(DWORD place, T value)
{
return Or<T>((void*)place, value);
}
template <typename T> static void And(void* place, T value)
{
*(T*)place &= value;
FlushInstructionCache(GetCurrentProcess(), place, sizeof(T));
}
template <typename T> static void And(DWORD place, T value)
{
return And<T>((void*)place, value);
}
template <typename T> static T Get(void* place) template <typename T> static T Get(void* place)
{ {
return *(T*)place; return *(T*)place;