2 files changed, 52 insertions, 8 deletions

diff --git a/src/hid_core/frontend/emulated_controller.cpp b/src/hid_core/frontend/emulated_controller.cpp
index b001cf2fd..f2499502d 100644
--- a/src/hid_core/frontend/emulated_controller.cpp
+++ b/src/hid_core/frontend/emulated_controller.cpp
@@ -145,8 +145,8 @@ void EmulatedController::ReloadColorsFromSettings() {
 
 void EmulatedController::LoadDevices() {
     // TODO(german77): Use more buttons to detect the correct device
-    const auto left_joycon = button_params[Settings::NativeButton::DRight];
-    const auto right_joycon = button_params[Settings::NativeButton::A];
+    const auto& left_joycon = button_params[Settings::NativeButton::DRight];
+    const auto& right_joycon = button_params[Settings::NativeButton::A];
 
     // Triggers for GC controllers
     trigger_params[LeftIndex] = button_params[Settings::NativeButton::ZL];
@@ -1209,20 +1209,43 @@ void EmulatedController::SetNfc(const Common::Input::CallbackStatus& callback) {
     controller.nfc_state = controller.nfc_values;
 }
 
-bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue vibration) {
+bool EmulatedController::SetVibration(bool should_vibrate) {
+    VibrationValue vibration_value = DEFAULT_VIBRATION_VALUE;
+    if (should_vibrate) {
+        vibration_value.high_amplitude = 1.0f;
+        vibration_value.low_amplitude = 1.0f;
+    }
+
+    return SetVibration(DeviceIndex::Left, vibration_value);
+}
+
+bool EmulatedController::SetVibration(u32 slot, Core::HID::VibrationGcErmCommand erm_command) {
+    VibrationValue vibration_value = DEFAULT_VIBRATION_VALUE;
+    if (erm_command == Core::HID::VibrationGcErmCommand::Start) {
+        vibration_value.high_amplitude = 1.0f;
+        vibration_value.low_amplitude = 1.0f;
+    }
+
+    return SetVibration(DeviceIndex::Left, vibration_value);
+}
+
+bool EmulatedController::SetVibration(DeviceIndex device_index, const VibrationValue& vibration) {
     if (!is_initialized) {
         return false;
     }
-    if (device_index >= output_devices.size()) {
+    if (device_index >= DeviceIndex::MaxDeviceIndex) {
         return false;
     }
-    if (!output_devices[device_index]) {
+    const std::size_t index = static_cast<std::size_t>(device_index);
+    if (!output_devices[index]) {
         return false;
     }
     const auto player_index = Service::HID::NpadIdTypeToIndex(npad_id_type);
     const auto& player = Settings::values.players.GetValue()[player_index];
     const f32 strength = static_cast<f32>(player.vibration_strength) / 100.0f;
 
+    last_vibration_value = vibration;
+
     if (!player.vibration_enabled) {
         return false;
     }
@@ -1240,8 +1263,11 @@ bool EmulatedController::SetVibration(std::size_t device_index, VibrationValue v
         .high_frequency = vibration.high_frequency,
         .type = type,
     };
-    return output_devices[device_index]->SetVibration(status) ==
-           Common::Input::DriverResult::Success;
+    return output_devices[index]->SetVibration(status) == Common::Input::DriverResult::Success;
+}
+
+VibrationValue EmulatedController::GetActualVibrationValue(DeviceIndex device_index) const {
+    return last_vibration_value;
 }
 
 bool EmulatedController::IsVibrationEnabled(std::size_t device_index) {
diff --git a/src/hid_core/frontend/emulated_controller.h b/src/hid_core/frontend/emulated_controller.h
index 90e536e07..168abe089 100644
--- a/src/hid_core/frontend/emulated_controller.h
+++ b/src/hid_core/frontend/emulated_controller.h
@@ -356,10 +356,27 @@ public:
     const NfcState& GetNfc() const;
 
     /**
+     * Sends an on/off vibration to the left device
+     * @return true if vibration had no errors
+     */
+    bool SetVibration(bool should_vibrate);
+
+    /**
+     * Sends an GC vibration to the left device
+     * @return true if vibration had no errors
+     */
+    bool SetVibration(u32 slot, Core::HID::VibrationGcErmCommand erm_command);
+
+    /**
      * Sends a specific vibration to the output device
      * @return true if vibration had no errors
      */
-    bool SetVibration(std::size_t device_index, VibrationValue vibration);
+    bool SetVibration(DeviceIndex device_index, const VibrationValue& vibration);
+
+    /**
+     * @return The last sent vibration
+     */
+    VibrationValue GetActualVibrationValue(DeviceIndex device_index) const;
 
     /**
      * Sends a small vibration to the output device
@@ -564,6 +581,7 @@ private:
     f32 motion_sensitivity{Core::HID::MotionInput::IsAtRestStandard};
     u32 turbo_button_state{0};
     std::size_t nfc_handles{0};
+    VibrationValue last_vibration_value{DEFAULT_VIBRATION_VALUE};
 
     // Temporary values to avoid doing changes while the controller is in configuring mode
     NpadStyleIndex tmp_npad_type{NpadStyleIndex::None};