Add mouse as a gyro input source (#720)

* Add mouse as a gyro input source

* Revisions

* Grammar

include/dusk/gyro.h

@@ -12,6 +12,7 @@ void rollgoalTableOffset(s16& out_ax, s16& out_az);
 extern bool s_sensor_keep_alive;
 bool get_sensor_keep_alive();
 void set_sensor_keep_alive(bool value);
+bool rollgoal_gyro_enabled();
 }  // namespace dusk::gyro
 
 #endif

include/dusk/settings.h

@@ -27,6 +27,11 @@ enum class DiscVerificationState : u8 {
     HashMismatch,
 };
 
+enum class GyroMode : u8 {
+    Sensor = 0,
+    Mouse = 1,
+};
+
 namespace config {
 template <>
 struct ConfigEnumRange<BloomMode> {
@@ -45,6 +50,12 @@ struct ConfigEnumRange<DiscVerificationState> {
     static constexpr auto min = DiscVerificationState::Unknown;
     static constexpr auto max = DiscVerificationState::HashMismatch;
 };
+
+template <>
+struct ConfigEnumRange<GyroMode> {
+    static constexpr auto min = GyroMode::Sensor;
+    static constexpr auto max = GyroMode::Mouse;
+};
 }
 
 // Persistent user settings
@@ -120,6 +131,7 @@ struct UserSettings {
         ConfigVar<bool> midnasLamentNonStop;
 
         // Input
+        ConfigVar<GyroMode> gyroMode;
         ConfigVar<bool> enableGyroAim;
         ConfigVar<bool> enableGyroRollgoal;
         ConfigVar<float> gyroSensitivityX;