InputCommon/ControllerEmu: Break out functionality of EmulatedController

to eliminate redundant unused members in Wii Remote extension objects.
This commit is contained in:
Jordan Woyak 2025-01-20 23:19:56 -06:00
parent 225039f742
commit ddb82a5e8c
26 changed files with 312 additions and 245 deletions

View file

@ -172,29 +172,83 @@ struct RawValue
}
};
class EmulatedController
// Maps a float from -1.0..+1.0 to an integer in the provided range.
template <typename T, typename F>
T MapFloat(F input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
T pos_1_value = std::numeric_limits<T>::max())
{
static_assert(std::is_integral<T>(), "T is only sane for int types.");
static_assert(std::is_floating_point<F>(), "F is only sane for float types.");
static_assert(std::numeric_limits<long long>::min() <= std::numeric_limits<T>::min() &&
std::numeric_limits<long long>::max() >= std::numeric_limits<T>::max(),
"long long is not a superset of T. use of std::llround is not sane.");
// Here we round when converting from float to int.
// After applying our deadzone, resizing, and reshaping math
// we sometimes have a near-zero value which is slightly negative. (e.g. -0.0001)
// Casting would round down but rounding will yield our "zero_value".
if (input_value > 0)
return T(std::llround((pos_1_value - zero_value) * input_value + zero_value));
else
return T(std::llround((zero_value - neg_1_value) * input_value + zero_value));
}
// The inverse of the function above.
// Maps an integer in the provided range to a float in the range -1.0..1.0.
template <typename F, typename T>
F MapToFloat(T input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
T pos_1_value = std::numeric_limits<T>::max())
{
static_assert(std::is_integral<T>(), "T is only sane for int types.");
static_assert(std::is_floating_point<F>(), "F is only sane for float types.");
if (input_value >= zero_value)
return F(input_value - zero_value) / F(pos_1_value - zero_value);
else
return -F(zero_value - input_value) / F(zero_value - neg_1_value);
}
class ControlGroupContainer
{
public:
virtual ~EmulatedController();
virtual ~ControlGroupContainer();
virtual void LoadGroupsConfig(Common::IniFile::Section* sec, const std::string& base);
virtual void SaveGroupsConfig(Common::IniFile::Section* sec, const std::string& base);
virtual std::string GetName() const = 0;
virtual std::string GetDisplayName() const;
void UpdateGroupsReferences(ciface::ExpressionParser::ControlEnvironment& env);
void SetInputOverrideFunction(InputOverrideFunction override_func);
void ClearInputOverrideFunction();
std::vector<std::unique_ptr<ControlGroup>> groups;
protected:
InputOverrideFunction m_input_override_function;
};
class EmulatedController : public ControlGroupContainer
{
public:
virtual ~EmulatedController();
virtual InputConfig* GetConfig() const = 0;
virtual void LoadDefaults(const ControllerInterface& ciface);
virtual void LoadConfig(Common::IniFile::Section* sec, const std::string& base = "");
virtual void SaveConfig(Common::IniFile::Section* sec, const std::string& base = "");
void LoadConfig(Common::IniFile::Section* sec);
void SaveConfig(Common::IniFile::Section* sec);
bool IsDefaultDeviceConnected() const;
const ciface::Core::DeviceQualifier& GetDefaultDevice() const;
void SetDefaultDevice(const std::string& device);
void SetDefaultDevice(ciface::Core::DeviceQualifier devq);
void SetInputOverrideFunction(InputOverrideFunction override_func);
void ClearInputOverrideFunction();
void UpdateReferences(const ControllerInterface& devi);
void UpdateSingleControlReference(const ControllerInterface& devi, ControlReference* ref);
@ -209,55 +263,9 @@ public:
// Resets the values while keeping the list.
void ResetExpressionVariables();
std::vector<std::unique_ptr<ControlGroup>> groups;
// Maps a float from -1.0..+1.0 to an integer in the provided range.
template <typename T, typename F>
static T MapFloat(F input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
T pos_1_value = std::numeric_limits<T>::max())
{
static_assert(std::is_integral<T>(), "T is only sane for int types.");
static_assert(std::is_floating_point<F>(), "F is only sane for float types.");
static_assert(std::numeric_limits<long long>::min() <= std::numeric_limits<T>::min() &&
std::numeric_limits<long long>::max() >= std::numeric_limits<T>::max(),
"long long is not a superset of T. use of std::llround is not sane.");
// Here we round when converting from float to int.
// After applying our deadzone, resizing, and reshaping math
// we sometimes have a near-zero value which is slightly negative. (e.g. -0.0001)
// Casting would round down but rounding will yield our "zero_value".
if (input_value > 0)
return T(std::llround((pos_1_value - zero_value) * input_value + zero_value));
else
return T(std::llround((zero_value - neg_1_value) * input_value + zero_value));
}
// The inverse of the function above.
// Maps an integer in the provided range to a float in the range -1.0..1.0.
template <typename F, typename T>
static F MapToFloat(T input_value, T zero_value, T neg_1_value = std::numeric_limits<T>::min(),
T pos_1_value = std::numeric_limits<T>::max())
{
static_assert(std::is_integral<T>(), "T is only sane for int types.");
static_assert(std::is_floating_point<F>(), "F is only sane for float types.");
if (input_value >= zero_value)
return F(input_value - zero_value) / F(pos_1_value - zero_value);
else
return -F(zero_value - input_value) / F(zero_value - neg_1_value);
}
protected:
// TODO: Wiimote attachments actually end up using their parent controller value for this,
// so theirs won't be used (and thus shouldn't even exist).
ciface::ExpressionParser::ControlEnvironment::VariableContainer m_expression_vars;
InputOverrideFunction m_input_override_function;
void UpdateReferences(ciface::ExpressionParser::ControlEnvironment& env);
private:
ciface::Core::DeviceQualifier m_default_device;
bool m_default_device_is_connected{false};