diff options
Diffstat (limited to 'Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp')
| -rw-r--r-- | Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp | 94 |
1 files changed, 78 insertions, 16 deletions
diff --git a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp index 4402b286c3..a1fd428a0d 100644 --- a/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp +++ b/Source/Core/InputCommon/ControllerInterface/SDL/SDL.cpp @@ -18,6 +18,11 @@ namespace ciface namespace SDL { +// 10ms = 100Hz which homebrew docs very roughly imply is within WiiMote normal +// range, used for periodic haptic effects though often ignored by devices +static const u16 RUMBLE_PERIOD = 10; +static const u16 RUMBLE_LENGTH_MAX = 500; // ms: enough to span multiple frames at low FPS, but still finite + static std::string GetJoystickName(int index) { #if SDL_VERSION_ATLEAST(2, 0, 0) @@ -126,6 +131,18 @@ Joystick::Joystick(SDL_Joystick* const joystick, const int sdl_index, const unsi // ramp effect if (supported_effects & SDL_HAPTIC_RAMP) AddOutput(new RampEffect(m_haptic)); + + // sine effect + if (supported_effects & SDL_HAPTIC_SINE) + AddOutput(new SineEffect(m_haptic)); + + // triangle effect + if (supported_effects & SDL_HAPTIC_TRIANGLE) + AddOutput(new TriangleEffect(m_haptic)); + + // left-right effect + if (supported_effects & SDL_HAPTIC_LEFTRIGHT) + AddOutput(new LeftRightEffect(m_haptic)); } #endif @@ -178,36 +195,81 @@ std::string Joystick::RampEffect::GetName() const return "Ramp"; } -void Joystick::ConstantEffect::SetState(ControlState state) +std::string Joystick::SineEffect::GetName() const { - if (state) - { - m_effect.type = SDL_HAPTIC_CONSTANT; - m_effect.constant.length = SDL_HAPTIC_INFINITY; - } - else - { - m_effect.type = 0; - } + return "Sine"; +} - m_effect.constant.level = (Sint16)(state * 0x7FFF); - Update(); +std::string Joystick::TriangleEffect::GetName() const +{ + return "Triangle"; +} + +std::string Joystick::LeftRightEffect::GetName() const +{ + return "LeftRight"; } -void Joystick::RampEffect::SetState(ControlState state) +void Joystick::HapticEffect::SetState(ControlState state) { + memset(&m_effect, 0, sizeof(m_effect)); if (state) { - m_effect.type = SDL_HAPTIC_RAMP; - m_effect.ramp.length = SDL_HAPTIC_INFINITY; + SetSDLHapticEffect(state); } else { + // this module uses type==0 to indicate 'off' m_effect.type = 0; } + Update(); +} +void Joystick::ConstantEffect::SetSDLHapticEffect(ControlState state) +{ + m_effect.type = SDL_HAPTIC_CONSTANT; + m_effect.constant.length = RUMBLE_LENGTH_MAX; + m_effect.constant.level = (Sint16)(state * 0x7FFF); +} + +void Joystick::RampEffect::SetSDLHapticEffect(ControlState state) +{ + m_effect.type = SDL_HAPTIC_RAMP; + m_effect.ramp.length = RUMBLE_LENGTH_MAX; m_effect.ramp.start = (Sint16)(state * 0x7FFF); - Update(); +} + +void Joystick::SineEffect::SetSDLHapticEffect(ControlState state) +{ + m_effect.type = SDL_HAPTIC_SINE; + m_effect.periodic.period = RUMBLE_PERIOD; + m_effect.periodic.magnitude = (Sint16)(state * 0x7FFF); + m_effect.periodic.offset = 0; + m_effect.periodic.phase = 18000; + m_effect.periodic.length = RUMBLE_LENGTH_MAX; + m_effect.periodic.delay = 0; + m_effect.periodic.attack_length = 0; +} + +void Joystick::TriangleEffect::SetSDLHapticEffect(ControlState state) +{ + m_effect.type = SDL_HAPTIC_TRIANGLE; + m_effect.periodic.period = RUMBLE_PERIOD; + m_effect.periodic.magnitude = (Sint16)(state * 0x7FFF); + m_effect.periodic.offset = 0; + m_effect.periodic.phase = 18000; + m_effect.periodic.length = RUMBLE_LENGTH_MAX; + m_effect.periodic.delay = 0; + m_effect.periodic.attack_length = 0; +} + +void Joystick::LeftRightEffect::SetSDLHapticEffect(ControlState state) +{ + m_effect.type = SDL_HAPTIC_LEFTRIGHT; + m_effect.leftright.length = RUMBLE_LENGTH_MAX; + // max ranges tuned to 'feel' similar in magnitude to triangle/sine on xbox360 controller + m_effect.leftright.large_magnitude = (Uint16)(state * 0x4000); + m_effect.leftright.small_magnitude = (Uint16)(state * 0xFFFF); } #endif |