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yuge cleanup

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ineed bots 2023-04-29 16:48:23 -06:00
parent 599bc5664f
commit e433a29005
1 changed files with 52 additions and 73 deletions
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123
src/component/gsc.cpp
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@ -11,58 +11,27 @@
namespace gsc
{
std::unordered_map<std::string, game::BuiltinFunction> functions;
std::unordered_map<std::string, game::BuiltinMethod> methods;
utils::hook::detour scr_getmethod_hook;
void* scr_getfunction_stub_ret_loc;
namespace
{
void* original_scr_get_gsc_funcs_jump_loc;
void* original_scr_get_method_funcs_call_loc;
game::BuiltinFunction find_function(const std::string& name)
game::BuiltinFunction scr_getfunction_call(const char** pName, int* pType)
{
auto itr = functions.find(name);
auto itr = functions.find(*pName);
if (itr == functions.end())
{
return 0;
return nullptr;
}
*pType = 0;
return itr->second;
}
game::BuiltinMethod find_method(const std::string& name)
{
auto itr = methods.find(name);
if (itr == methods.end())
{
return 0;
}
return itr->second;
}
game::BuiltinFunction scr_get_funcs_stub(const char** pName, int* type)
{
const auto func = find_function(*pName);
if (func)
{
return func;
}
return 0;
}
game::BuiltinMethod scr_get_methods_stub(const char** pName, int* type)
{
const auto meth = find_method(*pName);
if (meth)
{
return meth;
}
return 0;
}
void __declspec(naked) original_scr_get_gsc_funcs_hook()
game::BuiltinFunction __declspec(naked) scr_getfunction_stub()
{
__asm
{
@ -72,55 +41,62 @@ namespace gsc
lea eax, [esp + 0x24 + 0x2C - 0x1C];
push eax;
push edx;
call scr_get_funcs_stub;
call scr_getfunction_call;
add esp, 8;
mov [esp + 0x20], eax;
popad;
pop eax;
test eax, eax;
jnz just_ret;
jnz og;
// go do original code
push scr_getfunction_stub_ret_loc;
ret;
// pluto
push original_scr_get_gsc_funcs_jump_loc;
retn;
og:
// retn
just_ret:
add esp, 4;
push 0x682DC8;
retn;
ret;
}
}
void __declspec(naked) original_scr_get_method_funcs_hook()
game::BuiltinMethod scr_getmethod_call(const char** pName, int* pType)
{
auto itr = methods.find(*pName);
if (itr == methods.end())
{
// call og
const auto og_addr = scr_getmethod_hook.get_original();
game::BuiltinMethod answer;
__asm
{
mov edi, pType;
mov esi, pName;
call og_addr;
mov answer, eax;
}
return answer;
}
*pType = 0;
return itr->second;
}
game::BuiltinMethod __declspec(naked) scr_getmethod_stub()
{
__asm
{
push eax;
pushad;
push edi;
push esi;
call scr_get_methods_stub;
call scr_getmethod_call;
add esp, 8;
mov[esp + 0x20], eax; // move answer into eax when pop happens
popad;
pop eax;
test eax, eax;
jz pluto_code;
retn;
pluto_code:
push original_scr_get_method_funcs_call_loc;
retn;
ret;
}
}
@ -170,10 +146,13 @@ namespace gsc
public:
void post_unpack() override
{
original_scr_get_gsc_funcs_jump_loc = utils::hook::get_displacement_addr(0x682D99);
original_scr_get_method_funcs_call_loc = utils::hook::get_displacement_addr(0x683043);
utils::hook::jump(0x682D99, original_scr_get_gsc_funcs_hook);
utils::hook::call(0x683043, original_scr_get_method_funcs_hook);
// custom gsc methods
scr_getmethod_hook.create(utils::hook::get_displacement_addr(SELECT(0x0, 0x683043)), scr_getmethod_stub);
// custom gsc funcs
scr_getfunction_stub_ret_loc = utils::hook::get_displacement_addr(SELECT(0x0, 0x682D99));
utils::hook::jump(SELECT(0x0, 0x682D99), scr_getfunction_stub);
//Add support for codecallback_hudelemspawned GSC callback
//utils::hook::call(0x4FA40B, hudelem_alloc_stub);