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changes + cleanup

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This commit is contained in:
alice
2026-07-27 03:32:32 +02:00
parent 64c1ab0120
commit 933192724a
3 changed files with 155 additions and 151 deletions
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src/component/gsc.cpp
+104 -127
View File
@@ -39,181 +39,152 @@ namespace gsc
scripting::push_value(value); scripting::push_value(value);
} }
auto field_offset_start = 0xA000; auto field_offset_start = 0xA000u;
struct entity_field std::unordered_map<unsigned int, entity_field_t> custom_fields[class_id_t::class_count];
{
std::string name;
std::function<scripting::script_value(unsigned int entnum)> getter;
std::function<void(unsigned int entnum, scripting::script_value)> setter;
};
std::vector<std::function<void()>> post_load_callbacks;
std::unordered_map<unsigned int, std::unordered_map<unsigned int, entity_field>> custom_fields;
void call_function(const script_function* function, const char* name)
{
try
{
const auto result = function->operator()(get_arguments());
const auto type = result.get_raw().type;
if (type)
{
return_value(result);
}
}
catch (const std::exception& e)
{
printf("************** Script execution error **************");
printf("Error executing function %s:", name);
printf(" %s", e.what());
printf("****************************************************");
}
}
void call_method(const script_method* method, const char* name, game::scr_entref_t ent)
{
try
{
const auto result = method->operator()(ent, get_arguments());
const auto type = result.get_raw().type;
if (type)
{
return_value(result);
}
}
catch (const std::exception& e)
{
printf("************** Script execution error **************");
printf("Error executing method %s:", name);
printf(" %s", e.what());
printf("****************************************************");
}
}
utils::hook::detour scr_get_object_field_hook; utils::hook::detour scr_get_object_field_hook;
utils::hook::detour scr_set_object_field_hook;
utils::hook::detour scr_post_load_scripts_hook;
const char* get_script_loc()
{
return "unknown location";
}
void print_error(const char* fmt, ...)
{
static char buffer[0x1000];
va_list ap;
va_start(ap, fmt);
_vsnprintf_s(buffer, sizeof(buffer), sizeof(buffer), fmt, ap);
va_end(ap);
printf("\n"
"******* script runtime error *******\n"
"%s\n"
"\tat %s\n"
"************************************",
buffer, get_script_loc());
}
const gsc::entity_field_t* find_field(unsigned int classnum, unsigned int offset)
{
const auto& class_map = custom_fields[classnum];
const auto field_iter = class_map.find(offset);
if (field_iter == class_map.end())
{
return nullptr;
}
return &field_iter->second;
}
void scr_get_object_field_stub(unsigned int classnum, int entnum, unsigned int offset) void scr_get_object_field_stub(unsigned int classnum, int entnum, unsigned int offset)
{ {
if (custom_fields[classnum].find(offset) == custom_fields[classnum].end()) const auto field = find_field(classnum, offset);
if (field == nullptr)
{ {
return scr_get_object_field_hook.invoke<void>(classnum, entnum, offset); return scr_get_object_field_hook.invoke<void>(classnum, entnum, offset);
} }
const auto& field = custom_fields[classnum][offset];
try try
{ {
const auto result = field.getter(entnum); const auto result = field->getter(entnum);
return_value(result); return_value(result);
} }
catch (const std::exception& e) catch (const std::exception& e)
{ {
printf("************** Script execution error **************"); print_error("while getting builtin field \"%s\"\n%s", field->name.data(), e.what());
printf("Error getting field %s:", field.name.data());
printf(" %s", e.what());
printf("****************************************************");
} }
} }
utils::hook::detour scr_set_object_field_hook;
void scr_set_object_field_stub(unsigned int classnum, int entnum, unsigned int offset) void scr_set_object_field_stub(unsigned int classnum, int entnum, unsigned int offset)
{ {
if (custom_fields[classnum].find(offset) == custom_fields[classnum].end()) const auto field = find_field(classnum, offset);
if (field == nullptr)
{ {
return scr_set_object_field_hook.invoke<void>(classnum, entnum, offset); return scr_set_object_field_hook.invoke<void>(classnum, entnum, offset);
} }
const auto args = get_arguments(); const auto args = get_arguments();
const auto& field = custom_fields[classnum][offset];
try try
{ {
field.setter(entnum, args[0]); field->setter(entnum, args[0]);
} }
catch (const std::exception& e) catch (const std::exception& e)
{ {
printf("************** Script execution error **************"); print_error("while setting builtin field \"%s\"\n%s", field->name.data(), e.what());
printf("Error setting field %s:", field.name.data());
printf(" %s", e.what());
printf("****************************************************");
} }
} }
utils::hook::detour scr_post_load_scripts_hook;
void scr_post_load_scripts_stub() void scr_post_load_scripts_stub()
{ {
for (const auto& callback : post_load_callbacks) for (auto i = 0; i < class_id_t::class_count; i++)
{ {
callback(); const auto& class_map = custom_fields[i];
for (const auto& [offset, field] : class_map)
{
const auto str_id = game::SL_GetString(field.name.data(), 0);
const auto canon_str = game::SL_GetCanonicalString(field.name.data());
game::Scr_AddClassField(i, str_id, canon_str, offset);
}
} }
return scr_post_load_scripts_hook.invoke<void>(); return scr_post_load_scripts_hook.invoke<void>();
} }
} }
void* make_function_thunk(const char* name, const script_function* func) void call_function(const script_function& function, const std::string& name)
{ {
static std::uint8_t bytes[] = try
{ {
0x68, 0x44, 0x33, 0x22, 0x11, // push const auto result = function.operator()(get_arguments());
0x68, 0x44, 0x33, 0x22, 0x11, // push const auto type = result.get_raw().type;
0x00, 0x00, 0x00, 0x00, 0x00, // call
0x83, 0xC4, 0x08, // add esp, 8
0xC3 // ret
};
const auto stub = utils::memory::allocate_array<std::uint8_t>(sizeof(bytes)); if (type)
std::memcpy(stub, bytes, sizeof(bytes)); {
return_value(result);
utils::hook::unprotect(stub, sizeof(bytes)); }
}
*reinterpret_cast<std::size_t*>(stub + 1) = reinterpret_cast<size_t>(name); catch (const std::exception& e)
*reinterpret_cast<std::size_t*>(stub + 6) = reinterpret_cast<size_t>(func); {
utils::hook::call(stub + 10, call_function); print_error("in call to builtin function \"%s\"\n%s", name.data(), e.what());
}
return stub;
} }
void* make_method_thunk(const char* name, const script_method* func) void call_method(const script_method& method, const std::string& name, game::scr_entref_t ent)
{ {
static std::uint8_t bytes[] = try
{ {
0xFF, 0x74, 0x24, 0x04, // push [esp+4] const auto result = method.operator()(ent, get_arguments());
0x68, 0x44, 0x33, 0x22, 0x11, // push const auto type = result.get_raw().type;
0x68, 0x44, 0x33, 0x22, 0x11, // push
0x00, 0x00, 0x00, 0x00, 0x00, // call
0x83, 0xC4, 0x0C, // add esp, 8
0xC3 // ret
};
const auto stub = utils::memory::allocate_array<std::uint8_t>(sizeof(bytes)); if (type)
std::memcpy(stub, bytes, sizeof(bytes)); {
return_value(result);
utils::hook::unprotect(stub, sizeof(bytes)); }
}
*reinterpret_cast<std::size_t*>(stub + 5) = reinterpret_cast<size_t>(name); catch (const std::exception& e)
*reinterpret_cast<std::size_t*>(stub + 10) = reinterpret_cast<size_t>(func); {
utils::hook::call(stub + 14, call_method); print_error("in call to builtin method \"%s\"\n%s", name.data(), e.what());
}
return stub;
} }
namespace field namespace field
{ {
void add(const classid classnum, const std::string& name, void add(const class_id_t classnum, const std::string& name, const field_getter_t getter, const field_setter_t& setter)
const std::function<scripting::script_value(unsigned int entnum)>& getter,
const std::function<void(unsigned int entnum, const scripting::script_value&)>& setter)
{ {
const auto offset = field_offset_start++; const auto offset = field_offset_start++;
custom_fields[classnum][offset] = {name, getter, setter}; auto& class_map = custom_fields[classnum];
post_load_callbacks.push_back([=]() entity_field_t field{};
{ field.name = name;
const auto name_str = game::SL_GetString(name.data(), 0); field.getter = getter;
game::Scr_AddClassField(classnum, name_str, game::SL_GetCanonicalString(name.data()), offset); field.setter = setter;
}); class_map.insert(std::make_pair(offset, field));
} }
} }
@@ -251,7 +222,7 @@ namespace gsc
scr_set_object_field_hook.create(0x52BCC0, scr_set_object_field_stub); scr_set_object_field_hook.create(0x52BCC0, scr_set_object_field_stub);
scr_post_load_scripts_hook.create(0x628B50, scr_post_load_scripts_stub); scr_post_load_scripts_hook.create(0x628B50, scr_post_load_scripts_stub);
field::add(classid::entity, "entityflags", field::add(class_id_t::class_entity, "entityflags",
[](unsigned int entnum) -> scripting::script_value [](unsigned int entnum) -> scripting::script_value
{ {
const auto entity = &game::g_entities[entnum]; const auto entity = &game::g_entities[entnum];
@@ -264,7 +235,7 @@ namespace gsc
} }
); );
field::add(classid::entity, "clientflags", field::add(class_id_t::class_entity, "clientflags",
[](unsigned int entnum) -> scripting::script_value [](unsigned int entnum) -> scripting::script_value
{ {
const auto entity = &game::g_entities[entnum]; const auto entity = &game::g_entities[entnum];
@@ -277,13 +248,15 @@ namespace gsc
} }
); );
function::add("executecommand", [](const function_args& args) -> scripting::script_value function::add("executecommand", [](const function_args& args)
-> scripting::script_value
{ {
game::Cbuf_AddText(0, args[0].as<const char*>()); game::Cbuf_AddText(0, args[0].as<const char*>());
return {}; return {};
}); });
function::add("addcommand", [](const function_args& args) -> scripting::script_value function::add("addcommand", [](const function_args& args)
-> scripting::script_value
{ {
const auto name = args[0].as<std::string>(); const auto name = args[0].as<std::string>();
const auto function = args[1].as<scripting::function>(); const auto function = args[1].as<scripting::function>();
@@ -301,7 +274,8 @@ namespace gsc
return {}; return {};
}); });
function::add("dropallbots", [](const function_args&) -> scripting::script_value function::add("dropallbots", [](const function_args&)
-> scripting::script_value
{ {
for (auto i = 0; i < *game::svs_clientCount; i++) for (auto i = 0; i < *game::svs_clientCount; i++)
{ {
@@ -315,7 +289,8 @@ namespace gsc
return {}; return {};
}); });
method::add("specialtymarathon", [](const game::scr_entref_t ent, const function_args& args) -> scripting::script_value method::add("specialtymarathon", [](const game::scr_entref_t ent, const function_args& args)
-> scripting::script_value
{ {
if (ent.classnum != 0) if (ent.classnum != 0)
{ {
@@ -339,7 +314,8 @@ namespace gsc
return {}; return {};
}); });
method::add("isbot", [](const game::scr_entref_t ent, const function_args&) -> scripting::script_value method::add("isbot", [](const game::scr_entref_t ent, const function_args&)
-> scripting::script_value
{ {
if (ent.classnum != 0) if (ent.classnum != 0)
{ {
@@ -356,7 +332,8 @@ namespace gsc
return game::svs_clients[client].bIsTestClient; return game::svs_clients[client].bIsTestClient;
}); });
method::add("arecontrolsfrozen", [](const game::scr_entref_t ent, const function_args&) -> scripting::script_value method::add("arecontrolsfrozen", [](const game::scr_entref_t ent, const function_args&)
-> scripting::script_value
{ {
if (ent.classnum != 0) if (ent.classnum != 0)
{ {
@@ -370,7 +347,7 @@ namespace gsc
throw std::runtime_error("not a player entity"); throw std::runtime_error("not a player entity");
} }
return {(game::g_entities[client].client->flags & 4) != 0}; return (game::g_entities[client].client->flags & 4) != 0;
}); });
} }
}; };
src/component/gsc.hpp
+50 -24
View File
@@ -4,13 +4,23 @@
namespace gsc namespace gsc
{ {
enum classid enum class_id_t
{ {
entity, class_entity,
hudelem, class_hudelem,
pathnode, class_pathnode,
node, class_node,
count class_count
};
using field_getter_t = std::function<scripting::script_value(unsigned int entnum)>;
using field_setter_t = std::function<void(unsigned int entnum, const scripting::script_value&)>;
struct entity_field_t
{
std::string name;
field_getter_t getter;
field_setter_t setter;
}; };
class function_args class function_args
@@ -36,39 +46,55 @@ namespace gsc
using script_function = std::function<scripting::script_value(const function_args&)>; using script_function = std::function<scripting::script_value(const function_args&)>;
using script_method = std::function<scripting::script_value(const game::scr_entref_t, const function_args&)>; using script_method = std::function<scripting::script_value(const game::scr_entref_t, const function_args&)>;
void* make_function_thunk(const char* name, const script_function* func); void call_function(const script_function& function, const std::string& name);
void* make_method_thunk(const char* name, const script_method* meth); void call_method(const script_method& method, const std::string& name, game::scr_entref_t ent);
namespace function namespace function
{ {
template <typename F> template <typename F>
void add(const std::string& name, F&& f) void add(const std::string& n, F&& f)
{ {
const auto name_str = utils::memory::duplicate_string(name); static auto done = false;
const auto func = new script_function(std::forward<F>(f)); assert(!done);
const auto thunk = reinterpret_cast< done = true;
plutonium::sdk::interfaces::gsc::function_callback>(make_function_thunk(name_str, func));
plugin::get()->get_interface()->gsc()->register_function(name, thunk); static struct
{
std::string name;
script_function function;
} ctx{n, f};
plugin::get()->get_interface()->gsc()->register_function(n, []()
{
call_function(ctx.function, ctx.name);
});
} }
} }
namespace method namespace method
{ {
template <typename F> template <typename F>
void add(const std::string& name, F&& f) void add(const std::string& n, F&& f)
{ {
const auto name_str = utils::memory::duplicate_string(name); static auto done = false;
const auto func = new script_method(std::forward<F>(f)); assert(!done);
const auto thunk = reinterpret_cast< done = true;
plutonium::sdk::interfaces::gsc::method_callback>(make_method_thunk(name_str, func));
plugin::get()->get_interface()->gsc()->register_method(name, thunk); static struct
{
std::string name;
script_method function;
} ctx{n, f};
plugin::get()->get_interface()->gsc()->register_method(n, [](plutonium::sdk::types::entref entref)
{
call_method(ctx.function, ctx.name, *reinterpret_cast<game::scr_entref_t*>(&entref));
});
} }
} }
namespace field namespace field
{ {
void add(const classid classnum, const std::string& name, void add(const class_id_t classnum, const std::string& name, const field_getter_t getter, const field_setter_t& setter);
const std::function<scripting::script_value(unsigned int entnum)>& getter,
const std::function<void(unsigned int entnum, const scripting::script_value&)>& setter);
} }
} }
src/game/symbols.hpp
+1
View File
@@ -48,6 +48,7 @@ namespace game
WEAK symbol<void()> Scr_MakeArray{0x56ADE0}; WEAK symbol<void()> Scr_MakeArray{0x56ADE0};
WEAK symbol<void(unsigned int stringValue)> Scr_AddArrayStringIndexed{0x56AE70}; WEAK symbol<void(unsigned int stringValue)> Scr_AddArrayStringIndexed{0x56AE70};
WEAK symbol<void(unsigned int classnum, unsigned int name, unsigned int canonicalString, unsigned int offset)> Scr_AddClassField{0x567CD0}; WEAK symbol<void(unsigned int classnum, unsigned int name, unsigned int canonicalString, unsigned int offset)> Scr_AddClassField{0x567CD0};
WEAK symbol<void()> Scr_ErrorInternal{0x568FD0};
WEAK symbol<unsigned int(const char* str, unsigned int user)> SL_GetString{0x5649E0}; WEAK symbol<unsigned int(const char* str, unsigned int user)> SL_GetString{0x5649E0};
WEAK symbol<unsigned int(const char* str)> SL_GetCanonicalString{0x5619A0}; WEAK symbol<unsigned int(const char* str)> SL_GetCanonicalString{0x5619A0};