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Scripting changes

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This commit is contained in:
Federico Cecchetto 2022-06-19 21:21:09 +02:00
parent 6d3f032ae8
commit 6c15fa7b25
8 changed files with 141 additions and 102 deletions
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49
src/client/component/scripting.cpp
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@ -33,7 +33,10 @@ namespace scripting
utils::hook::detour scr_set_thread_position_hook;
utils::hook::detour process_script_hook;
utils::hook::detour sl_get_canonical_string_hook;
std::string current_file;
unsigned int current_file_id{};
void vm_notify_stub(const unsigned int notify_list_owner_id, const game::scr_string_t string_value,
game::VariableValue* top)
@ -82,23 +85,47 @@ namespace scripting
void process_script_stub(const char* filename)
{
current_file = filename;
const auto file_id = atoi(filename);
if (file_id)
{
current_file = scripting::find_token(file_id);
current_file_id = file_id;
}
else
{
current_file_id = 0;
current_file = filename;
}
process_script_hook.invoke<void>(filename);
}
void scr_set_thread_position_stub(unsigned int threadName, const char* codePos)
void add_function(const std::string& file, unsigned int id, const char* pos)
{
const auto function_name = scripting::find_token(threadName);
script_function_table[current_file][function_name] = codePos;
scr_set_thread_position_hook.invoke<void>(threadName, codePos);
const auto function_names = scripting::find_token(id);
for (const auto& name : function_names)
{
script_function_table[file][name] = pos;
}
}
void scr_set_thread_position_stub(unsigned int thread_name, const char* code_pos)
{
if (current_file_id)
{
const auto names = scripting::find_token(current_file_id);
for (const auto& name : names)
{
add_function(name, thread_name, code_pos);
}
}
else
{
add_function(current_file, thread_name, code_pos);
}
scr_set_thread_position_hook.invoke<void>(thread_name, code_pos);
}
char sv_check_load_level_stub(void* save_game)
{
@ -109,6 +136,13 @@ namespace scripting
}
return result;
}
unsigned int sl_get_canonical_string_stub(const char* str)
{
const auto result = sl_get_canonical_string_hook.invoke<unsigned int>(str);
scripting::token_map[str] = result;
return result;
}
}
class component final : public component_interface
@ -125,6 +159,7 @@ namespace scripting
scr_add_class_field_hook.create(0x1405C2C30, scr_add_class_field_stub);
scr_set_thread_position_hook.create(0x1405BC7E0, scr_set_thread_position_stub);
process_script_hook.create(0x1405C6160, process_script_stub);
sl_get_canonical_string_hook.create(game::SL_GetCanonicalString, sl_get_canonical_string_stub);
scheduler::loop([]()
{

88
src/client/game/scripting/execution.cpp
View File

@ -145,47 +145,6 @@ namespace scripting
return exec_ent_thread(entity, pos, arguments);
}
static std::unordered_map<unsigned int, std::unordered_map<std::string, script_value>> custom_fields;
script_value get_custom_field(const entity& entity, const std::string& field)
{
auto& fields = custom_fields[entity.get_entity_id()];
const auto _field = fields.find(field);
if (_field != fields.end())
{
return _field->second;
}
return {};
}
void set_custom_field(const entity& entity, const std::string& field, const script_value& value)
{
const auto id = entity.get_entity_id();
if (custom_fields[id].find(field) != custom_fields[id].end())
{
custom_fields[id][field] = value;
return;
}
custom_fields[id].insert(std::make_pair(field, value));
}
void clear_entity_fields(const entity& entity)
{
const auto id = entity.get_entity_id();
if (custom_fields.find(id) != custom_fields.end())
{
custom_fields[id].clear();
}
}
void clear_custom_fields()
{
custom_fields.clear();
}
void set_entity_field(const entity& entity, const std::string& field, const script_value& value)
{
const auto entref = entity.get_entity_reference();
@ -206,7 +165,7 @@ namespace scripting
}
else
{
set_custom_field(entity, field, value);
set_object_variable(entity.get_entity_id(), field, value);
}
}
@ -233,7 +192,7 @@ namespace scripting
return value;
}
return get_custom_field(entity, field);
return get_object_variable(entity.get_entity_id(), field);
}
unsigned int make_array()
@ -246,4 +205,47 @@ namespace scripting
return index;
}
void set_object_variable(const unsigned int parent_id, const unsigned int id, const script_value& value)
{
const auto offset = 0xA000 * (parent_id & 3);
const auto variable_id = game::GetVariable(parent_id, id);
const auto variable = &game::scr_VarGlob->childVariableValue[variable_id + offset];
const auto& raw_value = value.get_raw();
game::AddRefToValue(raw_value.type, raw_value.u);
game::RemoveRefToValue(variable->type, variable->u.u);
variable->type = static_cast<char>(raw_value.type);
variable->u.u = raw_value.u;
}
void set_object_variable(const unsigned int parent_id, const std::string& name, const script_value& value)
{
const auto id = scripting::find_token_id(name);
set_object_variable(parent_id, id, value);
}
script_value get_object_variable(const unsigned int parent_id, const unsigned int id)
{
const auto offset = 0xA000 * (parent_id & 3);
const auto variable_id = game::FindVariable(parent_id, id);
if (!variable_id)
{
return {};
}
const auto variable = &game::scr_VarGlob->childVariableValue[variable_id + offset];
game::VariableValue value{};
value.type = static_cast<int>(variable->type);
value.u = variable->u.u;
return value;
}
script_value get_object_variable(const unsigned int parent_id, const std::string& name)
{
const auto id = scripting::find_token_id(name);
return get_object_variable(parent_id, id);
}
}

9
src/client/game/scripting/execution.hpp
View File

@ -30,13 +30,16 @@ namespace scripting
script_value call_script_function(const entity& entity, const std::string& filename,
const std::string& function, const std::vector<script_value>& arguments);
void clear_entity_fields(const entity& entity);
void clear_custom_fields();
void set_entity_field(const entity& entity, const std::string& field, const script_value& value);
script_value get_entity_field(const entity& entity, const std::string& field);
void notify(const entity& entity, const std::string& event, const std::vector<script_value>& arguments);
unsigned int make_array();
script_value get_object_variable(const unsigned int parent_id, const unsigned int id);
script_value get_object_variable(const unsigned int parent_id, const std::string& name);
void set_object_variable(const unsigned int parent_id, const std::string& name, const script_value& value);
void set_object_variable(const unsigned int parent_id, const unsigned int id, const script_value& value);
}

35
src/client/game/scripting/functions.cpp
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@ -69,19 +69,40 @@ namespace scripting
return reinterpret_cast<script_function*>(method_table)[index - 0x8000];
}
unsigned int parse_token_id(const std::string& name)
{
if (name.starts_with("_ID"))
{
return static_cast<unsigned int>(std::strtol(name.substr(3).data(), nullptr, 10));
}
std::string find_token(unsigned int id)
if (name.starts_with("_id_"))
{
return static_cast<unsigned int>(std::strtol(name.substr(4).data(), nullptr, 16));
}
return 0;
}
}
std::vector<std::string> find_token(unsigned int id)
{
std::vector<std::string> results;
results.push_back(utils::string::va("_id_%X", id));
results.push_back(utils::string::va("_ID%i", id));
for (const auto& token : token_map)
{
if (token.second == id)
{
return token.first;
results.push_back(token.first);
break;
}
}
return utils::string::va("_ID%i", id);
return results;
}
unsigned int find_token_id(const std::string& name)
@ -93,7 +114,13 @@ namespace scripting
return result->second;
}
return 0;
const auto parsed_id = parse_token_id(name);
if (parsed_id)
{
return parsed_id;
}
return game::SL_GetCanonicalString(name.data());
}
script_function find_function(const std::string& name, const bool prefer_global)

3
src/client/game/scripting/functions.hpp
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@ -10,7 +10,8 @@ namespace scripting
using script_function = void(*)(game::scr_entref_t);
std::string find_token(unsigned int id);
std::vector<std::string> find_token(unsigned int id);
unsigned int find_token_id(const std::string& name);
script_function find_function(const std::string& name, const bool prefer_global);
}

1
src/client/game/scripting/lua/engine.cpp
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@ -45,7 +45,6 @@ namespace scripting::lua::engine
void start()
{
clear_custom_fields();
get_scripts().clear();
load_generic_script();

55
src/client/game/scripting/lua/value_conversion.cpp
View File

@ -176,62 +176,33 @@ namespace scripting::lua
auto table = sol::table::create(state);
auto metatable = sol::table::create(state);
const auto offset = 0xA000 * (parent_id & 3);
metatable[sol::meta_function::new_index] = [offset, parent_id](const sol::table t, const sol::this_state s,
metatable[sol::meta_function::new_index] = [parent_id](const sol::table t, const sol::this_state s,
const sol::lua_value& field, const sol::lua_value& value)
{
const auto id = field.is<std::string>()
? scripting::find_token_id(field.as<std::string>())
: field.as<int>();
if (!id)
const auto new_variable = convert({s, value});
if (field.is<unsigned int>())
{
return;
scripting::set_object_variable(parent_id, field.as<unsigned int>(), new_variable);
}
const auto variable_id = game::FindVariable(parent_id, id);
if (!variable_id)
else if (field.is<std::string>())
{
return;
scripting::set_object_variable(parent_id, field.as<std::string>(), new_variable);
}
const auto variable = &game::scr_VarGlob->childVariableValue[variable_id + offset];
const auto new_variable = convert({s, value}).get_raw();
game::AddRefToValue(new_variable.type, new_variable.u);
game::RemoveRefToValue(variable->type, variable->u.u);
variable->type = (char)new_variable.type;
variable->u.u = new_variable.u;
};
metatable[sol::meta_function::index] = [offset, parent_id](const sol::table t, const sol::this_state s,
metatable[sol::meta_function::index] = [parent_id](const sol::table t, const sol::this_state s,
const sol::lua_value& field)
{
const auto id = field.is<std::string>()
? scripting::find_token_id(field.as<std::string>())
: field.as<int>();
if (!id)
if (field.is<unsigned int>())
{
return sol::lua_value{s, sol::lua_nil};
return convert(s, scripting::get_object_variable(parent_id, field.as<unsigned int>()));
}
else if (field.is<std::string>())
{
return convert(s, scripting::get_object_variable(parent_id, field.as<std::string>()));
}
const auto variable_id = game::FindVariable(parent_id, id);
if (!variable_id)
{
return sol::lua_value{s, sol::lua_nil};
}
const auto variable = game::scr_VarGlob->childVariableValue[variable_id + offset];
game::VariableValue result{};
result.u = variable.u.u;
result.type = (game::scriptType_e)variable.type;
return convert(s, result);
};
table[sol::metatable_key] = metatable;

1
src/client/game/symbols.hpp
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@ -136,6 +136,7 @@ namespace game
WEAK symbol<const char*(scr_string_t stringValue)> SL_ConvertToString{0x1405BFBB0};
WEAK symbol<scr_string_t(const char* str, unsigned int user)> SL_GetString{0x1405C0170};
WEAK symbol<unsigned int(const char* str)> SL_GetCanonicalString{0x1405BC970};
WEAK symbol<bool()> SV_Loaded{0x1406B3860};