Rim/iw7-mod
Rim/iw7-mod
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custom functions

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This commit is contained in:
m 2024-01-06 14:09:09 -06:00
parent 10c54dd3bf
commit 3d7205d105
1 changed files with 13 additions and 24 deletions
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37
src/client/component/gsc/script_extension.cpp
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@ -92,20 +92,20 @@ namespace gsc
} }
} }
void vm_call_builtin_function_internal(int specific_function_id) void vm_call_builtin_function_internal(int function_id)
{ {
const auto function_id = specific_function_id; const auto custom_function_id = static_cast<std::uint16_t>(function_id); // cast for gsc-tool & our custom func map
const auto custom = functions.contains(static_cast<std::uint16_t>(function_id)); const auto custom = functions.contains(custom_function_id);
if (custom) if (custom)
{ {
execute_custom_function(function_id); execute_custom_function(custom_function_id);
return; return;
} }
builtin_function func = func_table[function_id]; builtin_function func = func_table[function_id - 1]; // game does this for the stock func table
if (func == nullptr) if (func == nullptr)
{ {
printf(utils::string::va("builtin function \"%s\" doesn't exist", gsc_ctx->func_name(function_id).data()), true); // scr_error crashes console::error(utils::string::va("builtin function \"%s\" doesn't exist", gsc_ctx->func_name(custom_function_id).data())); // scr_error crashes
return; return;
} }
@ -119,8 +119,7 @@ namespace gsc
a.pushad64(); a.pushad64();
a.push(rcx); a.push(rcx);
a.mov(rcx, rcx); // function id is already in rcx a.mov(rcx, rcx); // function id is already in rcx
a.dec(rcx); // -1 a.call_aligned(vm_call_builtin_function_internal);
a.call_aligned(vm_call_builtin_function_internal); // call with builtin_function
a.pop(rcx); a.pop(rcx);
a.popad64(); a.popad64();
@ -159,7 +158,7 @@ namespace gsc
if (meth == nullptr) if (meth == nullptr)
{ {
printf(utils::string::va("builtin method \"%s\" doesn't exist", gsc_ctx->meth_name(method_id).data()), true); // scr_error crashes console::error(utils::string::va("builtin method \"%s\" doesn't exist", gsc_ctx->meth_name(method_id).data()), true); // scr_error crashes
return; return;
} }
@ -292,7 +291,7 @@ namespace gsc
else else
{ {
const auto id = ++function_id_start; const auto id = ++function_id_start;
gsc_ctx->func_add(name, static_cast<std::uint16_t>(id)); gsc_ctx->func_add(name, id);
functions[id] = function; functions[id] = function;
} }
} }
@ -349,29 +348,19 @@ 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, func_table_count); // change builtin func count
utils::hook::set<uint32_t>(0xBFD172_b + 4, static_cast<uint32_t>(reverse_b((&func_table))));
utils::hook::set<uint32_t>(0xBFD172_b + 4, utils::hook::nop(0xC0E5CE_b, 12); // nop the call & jmp at the end of call_builtin
static_cast<uint32_t>(reverse_b((&func_table))));
/*
utils::hook::set<uint32_t>(0xC0E5CE_b + 3,
static_cast<uint32_t>(reverse_b((&func_table))));
*/
utils::hook::nop(0xC0E5CE_b, 12); // nop everything from the lea instruction to the jmp
utils::hook::jump(0xC0E5CE_b, vm_call_builtin_function_stub(), true); 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));
function::add("test", [](const function_args& args) function::add("print", [](const function_args& args)
{ {
// return 0 so the game doesn't override the cfg console::info(args[0].as<std::string>().data());
printf("test\n");
console::debug(args[0].as<const char*>());
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 + 3, // could be wrong.. //utils::hook::set<uint32_t>(0xC0E8F2_b + 3, // could be wrong..