Add custom entity field support

This commit is contained in:
Federico Cecchetto 2021-11-07 23:42:56 +01:00
parent 7526de9b76
commit eee68760e4
7 changed files with 176 additions and 37 deletions

View File

@ -102,6 +102,18 @@ namespace gsc
auto function_map_start = 0x200;
auto method_map_start = 0x8400;
auto token_map_start = 0x8000;
auto field_offset_start = 0xA000;
struct field
{
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, field>> custom_fields;
void call_function(unsigned int id)
{
@ -199,6 +211,65 @@ namespace gsc
retn
}
}
utils::hook::detour scr_get_object_field_hook;
void scr_get_object_field_stub(unsigned int classnum, int entnum, unsigned int offset)
{
if (custom_fields[classnum].find(offset) == custom_fields[classnum].end())
{
return scr_get_object_field_hook.invoke<void>(classnum, entnum, offset);
}
const auto field = custom_fields[classnum][offset];
try
{
const auto result = field.getter(entnum);
return_value(result);
}
catch (const std::exception& e)
{
printf("************** Script execution error **************\n");
printf("Error getting field %s\n", field.name.data());
printf("%s\n", e.what());
printf("****************************************************\n");
}
}
utils::hook::detour scr_set_object_field_hook;
void scr_set_object_field_stub(unsigned int classnum, int entnum, unsigned int offset)
{
if (custom_fields[classnum].find(offset) == custom_fields[classnum].end())
{
return scr_set_object_field_hook.invoke<void>(classnum, entnum, offset);
}
const auto args = get_arguments();
const auto field = custom_fields[classnum][offset];
try
{
field.setter(entnum, args[0]);
}
catch (const std::exception& e)
{
printf("************** Script execution error **************\n");
printf("Error setting field %s\n", field.name.data());
printf("%s\n", e.what());
printf("****************************************************\n");
}
}
utils::hook::detour scr_post_load_scripts_hook;
void scr_post_load_scripts_stub()
{
for (const auto& callback : post_load_callbacks)
{
callback();
}
return scr_post_load_scripts_hook.invoke<void>();
}
}
namespace function
@ -223,11 +294,61 @@ namespace gsc
}
}
namespace field
{
void add(classid classnum, const std::string& name,
const std::function<scripting::script_value(unsigned int entnum)>& getter,
const std::function<void(unsigned int entnum, const scripting::script_value&)>& setter)
{
const auto token_id = token_map_start++;
const auto offset = field_offset_start++;
custom_fields[classnum][offset] = {name, getter, setter};
(*game::plutonium::token_map_rev)[name] = token_id;
post_load_callbacks.push_back([classnum, name, token_id, offset]()
{
const auto name_str = game::SL_GetString(name.data(), 0);
game::Scr_AddClassField(classnum, name_str, token_id, offset);
});
}
}
class component final : public component_interface
{
public:
void post_unpack() override
{
scr_get_object_field_hook.create(0x52BDB0, scr_get_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);
gsc::field::add(classid::entity, "flags",
[](unsigned int entnum) -> scripting::script_value
{
const auto entity = &game::g_entities[entnum];
return entity->flags;
},
[](unsigned int entnum, const scripting::script_value& value)
{
const auto entity = &game::g_entities[entnum];
entity->flags = value.as<int>();
}
);
gsc::field::add(classid::entity, "clientflags",
[](unsigned int entnum) -> scripting::script_value
{
const auto entity = &game::g_entities[entnum];
return entity->client->flags;
},
[](unsigned int entnum, const scripting::script_value& value)
{
const auto entity = &game::g_entities[entnum];
entity->client->flags = value.as<int>();
}
);
function::add("executecommand", [](const function_args& args) -> scripting::script_value
{
game::Cbuf_AddText(0, args[0].as<const char*>());

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@ -2,6 +2,15 @@
namespace gsc
{
enum classid
{
entity,
hudelem,
pathnode,
node,
count
};
class function_args
{
public:
@ -34,4 +43,11 @@ namespace gsc
{
void add(const std::string& name, const script_method& func);
}
namespace field
{
void add(classid classnum, const std::string& name,
const std::function<scripting::script_value(unsigned int entnum)>& getter,
const std::function<void(unsigned int entnum, const scripting::script_value&)>& setter);
}
}

View File

@ -28,18 +28,23 @@ namespace json
const auto keys = array.get_keys();
for (auto i = 0; i < keys.size(); i++)
{
const auto is_int = keys[i].is<int>();
const auto is_string = keys[i].is<std::string>();
if (string_indexed == -1)
{
string_indexed = keys[i].is_string;
string_indexed = is_string;
}
if (!string_indexed && keys[i].is_integer)
if (!string_indexed && is_int)
{
obj[keys[i].index] = gsc_to_json(array[keys[i].index]);
const auto index = keys[i].as<int>();
obj[index] = gsc_to_json(array[index]);
}
else if (string_indexed && keys[i].is_string)
else if (string_indexed && is_string)
{
obj.emplace(keys[i].key, gsc_to_json(array[keys[i].key]));
const auto key = keys[i].as<std::string>();
obj.emplace(key, gsc_to_json(array[key]));
}
}

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@ -129,9 +129,9 @@ namespace scripting
}
}
std::vector<array_key> array::get_keys() const
std::vector<script_value> array::get_keys() const
{
std::vector<array_key> result;
std::vector<script_value> result;
const auto offset = 0xC800 * (this->id_ & 1);
auto current = game::scr_VarGlob->objectVariableChildren[this->id_].firstChild;
@ -149,16 +149,14 @@ namespace scripting
const auto string_value = (unsigned int)((unsigned __int8)var.name_lo + (var.k.keys.name_hi << 8));
const auto* str = game::SL_ConvertToString(string_value);
array_key key;
script_value key;
if (string_value < 0x40000 && str)
{
key.is_string = true;
key.key = str;
key = str;
}
else
{
key.is_integer = true;
key.index = (string_value - 0x800000) & 0xFFFFFF;
key = (string_value - 0x800000) & 0xFFFFFF;
}
result.push_back(key);
@ -206,16 +204,18 @@ namespace scripting
return value;
}
script_value array::get(const array_key& key) const
script_value array::get(const script_value& key) const
{
if (key.is_integer)
if (key.is<int>())
{
return this->get(key.index);
return this->get(key.as<int>());
}
else
{
return this->get(key.key);
return this->get(key.as<std::string>());
}
return {};
}
script_value array::get(const std::string& key) const
@ -253,15 +253,15 @@ namespace scripting
return variable;
}
void array::set(const array_key& key, const script_value& value) const
void array::set(const script_value& key, const script_value& value) const
{
if (key.is_integer)
if (key.is<int>())
{
this->set(key.index, value);
this->set(key.as<int>(), value);
}
else
{
this->set(key.key, value);
this->set(key.as<std::string>(), value);
}
}

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@ -3,14 +3,6 @@
namespace scripting
{
struct array_key
{
bool is_string = false;
bool is_integer = false;
unsigned int index{};
std::string key{};
};
class array_value : public script_value
{
public:
@ -38,7 +30,7 @@ namespace scripting
array& operator=(const array& other);
array& operator=(array&& other) noexcept;
std::vector<array_key> get_keys() const;
std::vector<script_value> get_keys() const;
unsigned int size() const;
unsigned int push(script_value) const;
@ -46,11 +38,11 @@ namespace scripting
void erase(const std::string&) const;
script_value pop() const;
script_value get(const array_key&) const;
script_value get(const script_value&) const;
script_value get(const std::string&) const;
script_value get(const unsigned int) const;
void set(const array_key&, const script_value&) const;
void set(const script_value&, const script_value&) const;
void set(const std::string&, const script_value&) const;
void set(const unsigned int, const script_value&) const;
@ -71,15 +63,17 @@ namespace scripting
return {this->id_, this->get_value_id(key)};
}
array_value operator[](const array_key& key) const
template <typename I = int, typename S = std::string>
array_value operator[](const script_value& key) const
{
if (key.is_integer)
if (key.is<I>())
{
return {this->id_, this->get_value_id(key.index)};
return { this->id_, this->get_value_id(key.as<I>()) };
}
else
if (key.is<S>())
{
return {this->id_, this->get_value_id(key.key)};
return { this->id_, this->get_value_id(key.as<S>()) };
}
}

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@ -314,7 +314,7 @@ namespace game
struct gclient_s
{
playerState_s ps;
char __pad0[0x2ED];
char __pad0[0x2CC];
int flags;
};

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@ -49,8 +49,10 @@ namespace game
WEAK symbol<unsigned int(unsigned int threadId)> Scr_GetSelf{0x5655E0};
WEAK symbol<void()> Scr_MakeArray{0x56ADE0};
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<unsigned int(const char* str, unsigned int user)> SL_GetString{0x5649E0};
WEAK symbol<unsigned int(const char* str)> SL_GetCanonicalString{0x5619A0};
WEAK symbol<const char*(unsigned int stringValue)> SL_ConvertToString{0x564270};
WEAK symbol<void(int clientNum, int type, const char* command)> SV_GameSendServerCommand{0x573220};
@ -81,5 +83,6 @@ namespace game
{
WEAK symbol<std::unordered_map<std::string, std::uint16_t>> function_map_rev{0x20691228};
WEAK symbol<std::unordered_map<std::string, std::uint16_t>> method_map_rev{0x20691248};
WEAK symbol<std::unordered_map<std::string, std::uint16_t>> token_map_rev{0x20691288};
}
}