broken ass fuck shit

This commit is contained in:
quaK 2024-01-06 19:25:46 +02:00
parent 5bda17ffbf
commit 67ef32b54d

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@ -19,8 +19,11 @@ namespace gsc
std::uint16_t function_id_start = 0x326; std::uint16_t function_id_start = 0x326;
std::uint16_t method_id_start = 0x85DB; std::uint16_t method_id_start = 0x85DB;
builtin_function func_table[0x1000]; constexpr size_t func_table_count = 0x1000;
builtin_method meth_table[0x1000]; constexpr size_t meth_table_count = 0x1000;
builtin_function func_table[func_table_count]{};
builtin_method meth_table[meth_table_count]{};
const game::dvar_t* developer_script = nullptr; const game::dvar_t* developer_script = nullptr;
@ -92,6 +95,7 @@ namespace gsc
void vm_call_builtin_function_internal(int specific_function_id) void vm_call_builtin_function_internal(int specific_function_id)
{ {
const auto function_id = get_function_id(); const auto function_id = get_function_id();
printf("test %d : %d\n", function_id, specific_function_id);
const auto custom = functions.contains(static_cast<std::uint16_t>(function_id)); const auto custom = functions.contains(static_cast<std::uint16_t>(function_id));
if (custom) if (custom)
{ {
@ -99,29 +103,30 @@ namespace gsc
return; return;
} }
builtin_function func = func_table[specific_function_id]; builtin_function func = func_table[function_id];
if (func == nullptr) if (func == nullptr)
{ {
scr_error(utils::string::va("builtin function \"%s\" doesn't exist", gsc_ctx->func_name(function_id).data()), true); printf(utils::string::va("builtin function \"%s\" doesn't exist", gsc_ctx->func_name(function_id).data()), true);
return; return;
} }
printf("test\n");
func(); func();
} }
void vm_call_builtin_function_stub(utils::hook::assembler& a) void* vm_call_builtin_function_stub()
{
return utils::hook::assemble([](utils::hook::assembler& a)
{ {
a.mov(rax, qword_ptr(0x6B22918_b)); // 7
a.mov(qword_ptr(0x6B183D0_b), rax); // 7
a.lea(eax, dword_ptr(rcx, -1)); // 3
a.mov(qword_ptr(0x6B22908_b), rsi); // 7
a.pushad64(); a.pushad64();
a.mov(rcx, rax); // TODO: pass builtin_function or id, but is this the right ID??? a.push(rdx);
a.mov(rdx, rax); // TODO: pass builtin_function or id, but is this the right ID???
a.call_aligned(vm_call_builtin_function_internal); // call with builtin_function a.call_aligned(vm_call_builtin_function_internal); // call with builtin_function
a.pop(rdx);
a.popad64(); a.popad64();
a.jmp(0xC0E8F9_b); a.jmp(0xC0E8F9_b);
});
} }
void execute_custom_method(const std::uint16_t id) void execute_custom_method(const std::uint16_t id)
@ -344,18 +349,17 @@ namespace gsc
{ {
developer_script = game::Dvar_RegisterBool("developer_script", true, 0, "Enable developer script comments"); // enable by default for now developer_script = game::Dvar_RegisterBool("developer_script", true, 0, "Enable developer script comments"); // enable by default for now
/* utils::hook::set<uint32_t>(0xBFD16B_b + 1, func_table_count); // change builtin func count
utils::hook::set<uint32_t>(0xBFD16B_b + 1, 0x1000); // change builtin func count
utils::hook::set<uint32_t>(0xBFD172_b + 4, utils::hook::set<uint32_t>(0xBFD172_b + 4,
static_cast<uint32_t>(reverse_b((&func_table)))); static_cast<uint32_t>(reverse_b((&func_table))));
*/
/* /*
utils::hook::set<uint32_t>(0xC0E5CE_b + 3, utils::hook::set<uint32_t>(0xC0E5CE_b + 3,
static_cast<uint32_t>(reverse_b((&func_table)))); static_cast<uint32_t>(reverse_b((&func_table))));
*/ */
utils::hook::nop(0xC0E5BD_b, 24); // nop everything from the lea instruction to the jmp utils::hook::nop(0xC0E5CE_b, 12); // nop everything from the lea instruction to the jmp
utils::hook::far_jump<0x140000000>(0xC0E5BD_b, utils::hook::assemble(vm_call_builtin_function_stub)); utils::hook::jump(0xC0E5CE_b, vm_call_builtin_function_stub(), true);
utils::hook::inject(0xBFD5A1_b + 3, &func_table); utils::hook::inject(0xBFD5A1_b + 3, &func_table);
utils::hook::set<uint32_t>(0xBFD595_b + 2, sizeof(func_table)); utils::hook::set<uint32_t>(0xBFD595_b + 2, sizeof(func_table));
@ -367,14 +371,13 @@ namespace gsc
return scripting::script_value{}; return scripting::script_value{};
}); });
/*
utils::hook::set<uint32_t>(0xBFD182_b + 4, //utils::hook::set<uint32_t>(0xBFD182_b + 4,
static_cast<uint32_t>(reverse_b((&meth_table)))); // static_cast<uint32_t>(reverse_b((&meth_table))));
utils::hook::set<uint32_t>(0xC0E8F2_b + 4, // could be wrong.. //utils::hook::set<uint32_t>(0xC0E8F2_b + 3, // could be wrong..
static_cast<uint32_t>(reverse_b(&meth_table))); // static_cast<uint32_t>(reverse_b(&meth_table)));
utils::hook::inject(0xBFD5AF_b + 3, &meth_table); //utils::hook::inject(0xBFD5AF_b + 3, &meth_table);
utils::hook::set<uint32_t>(0xBFD5B6_b + 2, sizeof(meth_table)); //utils::hook::set<uint32_t>(0xBFD5B6_b + 2, sizeof(meth_table));
*/
/* /*
utils::hook::call(SELECT_VALUE(0x3CBA12_b, 0x512A72_b), get_entity_id_stub); utils::hook::call(SELECT_VALUE(0x3CBA12_b, 0x512A72_b), get_entity_id_stub);
@ -493,4 +496,4 @@ namespace gsc
}; };
} }
REGISTER_COMPONENT(gsc::extension) //REGISTER_COMPONENT(gsc::extension)