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libretro: Add rumble interface

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This commit is contained in:
Connor McLaughlin
2020-08-19 00:04:37 +10:00
parent c9c2c00c1a
commit de388d342f
3 changed files with 35 additions and 10 deletions
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24
src/duckstation-libretro/libretro_host_interface.cpp
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@ -63,6 +63,14 @@ LibretroHostInterface::~LibretroHostInterface()
}
}
void LibretroHostInterface::InitInterfaces()
{
SetCoreOptions();
InitLogging();
InitDiskControlInterface();
InitRumbleInterface();
}
void LibretroHostInterface::InitLogging()
{
if (s_libretro_log_callback_registered)
@ -650,6 +658,11 @@ void LibretroHostInterface::CheckForSettingsChanges(const Settings& old_settings
UpdateLogging();
}
void LibretroHostInterface::InitRumbleInterface()
{
m_rumble_interface_valid = g_retro_environment_callback(RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE, &m_rumble_interface);
}
void LibretroHostInterface::UpdateControllers()
{
g_retro_input_poll_callback();
@ -745,6 +758,17 @@ void LibretroHostInterface::UpdateControllersAnalogController(u32 index)
const int16_t state = g_retro_input_state_callback(index, RETRO_DEVICE_ANALOG, it.second.first, it.second.second);
controller->SetAxisState(static_cast<s32>(it.first), std::clamp(static_cast<float>(state) / 32767.0f, -1.0f, 1.0f));
}
if (m_rumble_interface_valid)
{
const u32 motor_count = controller->GetVibrationMotorCount();
for (u32 i = 0; i < motor_count; i++)
{
const float strength = controller->GetVibrationMotorStrength(i);
m_rumble_interface.set_rumble_state(index, RETRO_RUMBLE_STRONG,
static_cast<u16>(static_cast<u32>(strength * 65565.0f)));
}
}
}
static std::optional<GPURenderer> RetroHwContextToRenderer(retro_hw_context_type type)