Added bindable key to hold for switching from looking to the sides to rolling

src/input/input_handler.cpp

@@ -66,6 +66,7 @@ auto output_array = std::array{
     ControllerOutput(LEFTJOYSTICK_HALFMODE),
     ControllerOutput(RIGHTJOYSTICK_HALFMODE),
     ControllerOutput(KEY_TOGGLE),
+    ControllerOutput(MOUSE_GYRO_ROLL_MODE),
 
     // Button mappings
     ControllerOutput(SDL_GAMEPAD_BUTTON_NORTH),           // Triangle
@@ -534,6 +535,9 @@ void ControllerOutput::FinalizeUpdate() {
         // to do it, and it would be inconvenient to force it here, when AddUpdate does the job just
         // fine, and a toggle doesn't have to checked against every input that's bound to it, it's
         // enough that one is pressed
+        case MOUSE_GYRO_ROLL_MODE:
+            SetMouseGyroRollMode(new_button_state);
+            break;
         default: // is a normal key (hopefully)
             controller->CheckButton(0, SDLGamepadToOrbisButton(button), new_button_state);
             break;

src/input/input_handler.h

@@ -35,6 +35,7 @@
 #define BACK_BUTTON 0x00040000
 
 #define KEY_TOGGLE 0x00200000
+#define MOUSE_GYRO_ROLL_MODE 0x00400000
 
 #define SDL_UNMAPPED UINT32_MAX - 1
 
@@ -114,6 +115,7 @@ const std::map<std::string, u32> string_to_cbutton_map = {
     {"lpaddle_low", SDL_GAMEPAD_BUTTON_LEFT_PADDLE2},
     {"rpaddle_high", SDL_GAMEPAD_BUTTON_RIGHT_PADDLE1},
     {"rpaddle_low", SDL_GAMEPAD_BUTTON_RIGHT_PADDLE2},
+    {"mouse_gyro_roll_mode", MOUSE_GYRO_ROLL_MODE},
 };
 
 const std::map<std::string, AxisMapping> string_to_axis_map = {

src/input/input_mouse.cpp

@@ -14,6 +14,7 @@ namespace Input {
 
 int mouse_joystick_binding = 0;
 float mouse_deadzone_offset = 0.5, mouse_speed = 1, mouse_speed_offset = 0.1250;
+bool mouse_gyro_roll_mode = false;
 Uint32 mouse_polling_id = 0;
 MouseMode mouse_mode = MouseMode::Off;
 
@@ -38,6 +39,10 @@ void SetMouseParams(float mdo, float ms, float mso) {
     mouse_speed_offset = mso;
 }
 
+void SetMouseGyroRollMode(bool mode) {
+    mouse_gyro_roll_mode = mode;
+}
+
 void EmulateJoystick(GameController* controller, u32 interval) {
 
     Axis axis_x, axis_y;
@@ -80,6 +85,10 @@ void EmulateGyro(GameController* controller, u32 interval) {
     SDL_GetRelativeMouseState(&d_x, &d_y);
     controller->Acceleration(1, constant_down_accel);
     float gyro_from_mouse[3] = {-d_y / 100, -d_x / 100, 0.0f};
+    if (mouse_gyro_roll_mode) {
+        gyro_from_mouse[1] = 0.0f;
+        gyro_from_mouse[2] = -d_x / 100;
+    }
     controller->Gyro(1, gyro_from_mouse);
 }
 

src/input/input_mouse.h

@@ -17,6 +17,7 @@ enum MouseMode {
 bool ToggleMouseModeTo(MouseMode m);
 void SetMouseToJoystick(int joystick);
 void SetMouseParams(float mouse_deadzone_offset, float mouse_speed, float mouse_speed_offset);
+void SetMouseGyroRollMode(bool mode);
 
 void EmulateJoystick(GameController* controller, u32 interval);
 void EmulateGyro(GameController* controller, u32 interval);