InputCommon: XInput cleanups.

This commit is contained in:
Jordan Woyak 2020-02-08 15:45:01 -06:00
parent 86e8745169
commit e7400cafd2
2 changed files with 134 additions and 171 deletions

View File

@ -10,22 +10,13 @@
namespace ciface::XInput
{
class Battery : public Core::Device::Input
struct ButtonDef
{
public:
Battery(const ControlState* level) : m_level(*level) {}
std::string GetName() const override { return "Battery"; }
ControlState GetState() const override { return m_level; }
private:
const ControlState& m_level;
const char* name;
WORD bitmask;
};
static const struct
{
const char* const name;
const WORD bitmask;
} named_buttons[] = {{"Button A", XINPUT_GAMEPAD_A},
static constexpr std::array<ButtonDef, 15> named_buttons{{
{"Button A", XINPUT_GAMEPAD_A},
{"Button B", XINPUT_GAMEPAD_B},
{"Button X", XINPUT_GAMEPAD_X},
{"Button Y", XINPUT_GAMEPAD_Y},
@ -39,13 +30,99 @@ static const struct
{"Shoulder R", XINPUT_GAMEPAD_RIGHT_SHOULDER},
{"Guide", XINPUT_GAMEPAD_GUIDE},
{"Thumb L", XINPUT_GAMEPAD_LEFT_THUMB},
{"Thumb R", XINPUT_GAMEPAD_RIGHT_THUMB}};
{"Thumb R", XINPUT_GAMEPAD_RIGHT_THUMB},
}};
static const char* const named_triggers[] = {"Trigger L", "Trigger R"};
static constexpr std::array named_triggers{"Trigger L", "Trigger R"};
static const char* const named_axes[] = {"Left X", "Left Y", "Right X", "Right Y"};
static constexpr std::array named_axes{"Left X", "Left Y", "Right X", "Right Y"};
static const char* const named_motors[] = {"Motor L", "Motor R"};
static constexpr std::array named_motors{"Motor L", "Motor R"};
class Button final : public Core::Device::Input
{
public:
Button(u8 index, const WORD& buttons) : m_buttons(buttons), m_index(index) {}
std::string GetName() const override { return named_buttons[m_index].name; }
ControlState GetState() const override
{
return (m_buttons & named_buttons[m_index].bitmask) > 0;
}
private:
const WORD& m_buttons;
const u8 m_index;
};
class Axis final : public Core::Device::Input
{
public:
Axis(u8 index, const SHORT& axis, SHORT range) : m_axis(axis), m_range(range), m_index(index) {}
std::string GetName() const override
{
return std::string(named_axes[m_index]) + (m_range < 0 ? '-' : '+');
}
ControlState GetState() const override { return ControlState(m_axis) / m_range; }
private:
const SHORT& m_axis;
const SHORT m_range;
const u8 m_index;
};
class Trigger final : public Core::Device::Input
{
public:
Trigger(u8 index, const BYTE& trigger, BYTE range)
: m_trigger(trigger), m_range(range), m_index(index)
{
}
std::string GetName() const override { return named_triggers[m_index]; }
ControlState GetState() const override { return ControlState(m_trigger) / m_range; }
private:
const BYTE& m_trigger;
const BYTE m_range;
const u8 m_index;
};
class Motor final : public Core::Device::Output
{
public:
Motor(u8 index, Device* parent, WORD& motor, WORD range)
: m_motor(motor), m_range(range), m_index(index), m_parent(parent)
{
}
std::string GetName() const override { return named_motors[m_index]; }
void SetState(ControlState state) override
{
const auto old_value = m_motor;
m_motor = (WORD)(state * m_range);
// Only update if the state changed.
if (m_motor != old_value)
m_parent->UpdateMotors();
}
private:
WORD& m_motor;
const WORD m_range;
const u8 m_index;
Device* m_parent;
};
class Battery final : public Core::Device::Input
{
public:
Battery(const ControlState* level) : m_level(*level) {}
std::string GetName() const override { return "Battery"; }
ControlState GetState() const override { return m_level; }
bool IsDetectable() override { return false; }
private:
const ControlState& m_level;
};
static HMODULE hXInput = nullptr;
@ -59,7 +136,7 @@ static XInputSetState_t PXInputSetState = nullptr;
static XInputGetState_t PXInputGetState = nullptr;
static XInputGetBatteryInformation_t PXInputGetBatteryInformation = nullptr;
static bool haveGuideButton = false;
static bool s_have_guide_button = false;
void Init()
{
@ -86,9 +163,10 @@ void Init()
// Ordinal 100 is the same as XInputGetState, except it doesn't dummy out the guide
// button info. Try loading it and fall back if needed.
PXInputGetState = (XInputGetState_t)::GetProcAddress(hXInput, (LPCSTR)100);
if (PXInputGetState)
haveGuideButton = true;
else
s_have_guide_button = PXInputGetState != nullptr;
if (!PXInputGetState)
PXInputGetState = (XInputGetState_t)::GetProcAddress(hXInput, "XInputGetState");
if (!PXInputGetCapabilities || !PXInputSetState || !PXInputGetState ||
@ -128,35 +206,33 @@ Device::Device(const XINPUT_CAPABILITIES& caps, u8 index) : m_subtype(caps.SubTy
// XInputGetCaps can be broken on some devices, so we'll just ignore it
// and assume all gamepad + vibration capabilities are supported
// get supported buttons
for (int i = 0; i != sizeof(named_buttons) / sizeof(*named_buttons); ++i)
// Buttons.
for (size_t i = 0; i != size(named_buttons); ++i)
{
// Only add guide button if we have the 100 ordinal XInputGetState
if (!(named_buttons[i].bitmask & XINPUT_GAMEPAD_GUIDE) || haveGuideButton)
AddInput(new Button(i, m_state_in.Gamepad.wButtons));
// Only add guide button if we have the 100 ordinal XInputGetState.
if (named_buttons[i].bitmask == XINPUT_GAMEPAD_GUIDE && !s_have_guide_button)
continue;
AddInput(new Button(u8(i), m_state_in.Gamepad.wButtons));
}
// get supported triggers
for (int i = 0; i != sizeof(named_triggers) / sizeof(*named_triggers); ++i)
{
AddInput(new Trigger(i, (&m_state_in.Gamepad.bLeftTrigger)[i], 255));
}
// Triggers.
for (size_t i = 0; i != size(named_triggers); ++i)
AddInput(new Trigger(u8(i), (&m_state_in.Gamepad.bLeftTrigger)[i], 255));
// get supported axes
for (int i = 0; i != sizeof(named_axes) / sizeof(*named_axes); ++i)
// Axes.
for (size_t i = 0; i != size(named_axes); ++i)
{
const SHORT& ax = (&m_state_in.Gamepad.sThumbLX)[i];
// each axis gets a negative and a positive input instance associated with it
AddInput(new Axis(i, ax, -32768));
AddInput(new Axis(i, ax, 32767));
// Each axis gets a negative and a positive input instance associated with it.
AddInput(new Axis(u8(i), ax, -32768));
AddInput(new Axis(u8(i), ax, 32767));
}
// get supported motors
for (int i = 0; i != sizeof(named_motors) / sizeof(*named_motors); ++i)
{
AddOutput(new Motor(i, this, (&m_state_out.wLeftMotorSpeed)[i], 65535));
}
// Rumble motors.
for (size_t i = 0; i != size(named_motors); ++i)
AddOutput(new Motor(u8(i), this, (&m_state_out.wLeftMotorSpeed)[i], 65535));
AddInput(new Battery(&m_battery_level));
}
@ -189,8 +265,6 @@ std::string Device::GetSource() const
return "XInput";
}
// Update I/O
void Device::UpdateInput()
{
PXInputGetState(m_index, &m_state_in);
@ -217,63 +291,12 @@ void Device::UpdateInput()
void Device::UpdateMotors()
{
// this if statement is to make rumble work better when multiple ControllerInterfaces are using
// the device
// only calls XInputSetState if the state changed
if (memcmp(&m_state_out, &m_current_state_out, sizeof(m_state_out)))
{
m_current_state_out = m_state_out;
PXInputSetState(m_index, &m_state_out);
}
}
std::optional<int> Device::GetPreferredId() const
{
return m_index;
}
// GET name/source/id
std::string Device::Button::GetName() const
{
return named_buttons[m_index].name;
}
std::string Device::Axis::GetName() const
{
return std::string(named_axes[m_index]) + (m_range < 0 ? '-' : '+');
}
std::string Device::Trigger::GetName() const
{
return named_triggers[m_index];
}
std::string Device::Motor::GetName() const
{
return named_motors[m_index];
}
// GET / SET STATES
ControlState Device::Button::GetState() const
{
return (m_buttons & named_buttons[m_index].bitmask) > 0;
}
ControlState Device::Trigger::GetState() const
{
return ControlState(m_trigger) / m_range;
}
ControlState Device::Axis::GetState() const
{
return ControlState(m_axis) / m_range;
}
void Device::Motor::SetState(ControlState state)
{
m_motor = (WORD)(state * m_range);
m_parent->UpdateMotors();
}
} // namespace ciface::XInput

View File

@ -24,82 +24,22 @@ void Init();
void PopulateDevices();
void DeInit();
class Device : public Core::Device
{
private:
class Button : public Core::Device::Input
class Device final : public Core::Device
{
public:
Button(u8 index, const WORD& buttons) : m_buttons(buttons), m_index(index) {}
std::string GetName() const override;
ControlState GetState() const override;
private:
const WORD& m_buttons;
u8 m_index;
};
class Axis : public Core::Device::Input
{
public:
Axis(u8 index, const SHORT& axis, SHORT range) : m_axis(axis), m_range(range), m_index(index) {}
std::string GetName() const override;
ControlState GetState() const override;
private:
const SHORT& m_axis;
const SHORT m_range;
const u8 m_index;
};
class Trigger : public Core::Device::Input
{
public:
Trigger(u8 index, const BYTE& trigger, BYTE range)
: m_trigger(trigger), m_range(range), m_index(index)
{
}
std::string GetName() const override;
ControlState GetState() const override;
private:
const BYTE& m_trigger;
const BYTE m_range;
const u8 m_index;
};
class Motor : public Core::Device::Output
{
public:
Motor(u8 index, Device* parent, WORD& motor, WORD range)
: m_motor(motor), m_range(range), m_index(index), m_parent(parent)
{
}
std::string GetName() const override;
void SetState(ControlState state) override;
private:
WORD& m_motor;
const WORD m_range;
const u8 m_index;
Device* m_parent;
};
public:
void UpdateInput() override;
Device(const XINPUT_CAPABILITIES& capabilities, u8 index);
std::string GetName() const final override;
std::string GetSource() const final override;
std::optional<int> GetPreferredId() const final override;
std::string GetName() const override;
std::string GetSource() const override;
std::optional<int> GetPreferredId() const override;
void UpdateInput() override;
void UpdateMotors();
private:
XINPUT_STATE m_state_in{};
XINPUT_VIBRATION m_state_out{};
XINPUT_VIBRATION m_current_state_out{};
ControlState m_battery_level{};
const BYTE m_subtype;
const u8 m_index;