2024-03-31 19:04:04 +02:00

157 lines
3.7 KiB
C++

#include <std_include.hpp>
#include "loader/component_loader.hpp"
#include "game/game.hpp"
#include "dvars.hpp"
#include <utils/hook.hpp>
namespace dvars
{
struct dvar_base
{
unsigned int flags{};
};
struct dvar_bool : dvar_base
{
bool value{};
};
struct dvar_int : dvar_base
{
int value{};
int min{};
int max{};
};
struct dvar_float : dvar_base
{
float value{};
float min{};
float max{};
};
utils::hook::detour dvar_register_bool_hook;
utils::hook::detour dvar_register_int_hook;
utils::hook::detour dvar_register_float_hook;
template <typename T>
T* find_dvar(std::unordered_map<std::string, T>& map, const std::string& name)
{
auto i = map.find(name);
if (i != map.end())
{
return &i->second;
}
return nullptr;
}
namespace override
{
static std::unordered_map<std::string, dvar_bool> register_bool_overrides;
static std::unordered_map<std::string, dvar_int> register_int_overrides;
static std::unordered_map<std::string, dvar_float> register_float_overrides;
void register_bool(const std::string& name, const bool value, const unsigned int flags)
{
dvar_bool values;
values.value = value;
values.flags = flags;
register_bool_overrides[name] = values;
}
void register_int(const std::string& name, const int value, const int min, const int max, const unsigned int flags)
{
dvar_int values;
values.value = value;
values.min = min;
values.max = max;
values.flags = flags;
register_int_overrides[name] = std::move(values);
}
void register_float(const std::string& name, const float value, const float min, const float max, const unsigned int flags)
{
dvar_float values;
values.value = value;
values.min = min;
values.max = max;
values.flags = flags;
register_float_overrides[name] = std::move(values);
}
}
std::string get_string(const std::string& dvar)
{
const auto* dvar_value = game::Dvar_FindVar(dvar.data());
if (dvar_value)
{
return {dvar_value->current.string};
}
return {};
}
const game::dvar_t* dvar_register_bool_stub(const char* name, bool value, unsigned int flags, const char* description)
{
const auto* var = find_dvar(override::register_bool_overrides, name);
if (var)
{
value = var->value;
flags = var->flags;
}
return dvar_register_bool_hook.invoke<const game::dvar_t*>(name, value, flags, description);
}
game::dvar_t* dvar_register_int_stub(const char* name, int value, int min, int max, unsigned int flags, const char* description)
{
auto* var = find_dvar(override::register_int_overrides, name);
if (var)
{
value = var->value;
min = var->min;
max = var->max;
flags = var->flags;
}
return dvar_register_int_hook.invoke<game::dvar_t*>(name, value, min, max, flags, description);
}
game::dvar_t* dvar_register_float_stub(const char* name, float value, float min, float max, unsigned int flags, const char* description)
{
auto* var = find_dvar(override::register_float_overrides, name);
if (var)
{
value = var->value;
min = var->min;
max = var->max;
flags = var->flags;
}
return dvar_register_float_hook.invoke<game::dvar_t*>(name, value, min, max, flags, description);
}
class component final : public component_interface
{
public:
void post_unpack() override
{
dvar_register_bool_hook.create(game::Dvar_RegisterBool, &dvar_register_bool_stub);
dvar_register_int_hook.create(game::Dvar_RegisterInt, &dvar_register_int_stub);
dvar_register_float_hook.create(game::Dvar_RegisterFloat, &dvar_register_float_stub);
}
void pre_destroy() override
{
dvar_register_bool_hook.clear();
dvar_register_int_hook.clear();
dvar_register_float_hook.clear();
}
};
}
REGISTER_COMPONENT(dvars::component)