Mark simple getters and setters as inline

Simple `get_` and `set_` member functions in classes, as well as functions that are meant to simply call another function in the class, have been marked with the `inline` compiler hint, so we can ensure function calls will be eliminated whenever possible.

src/addon/addon.cpp

@@ -232,30 +232,6 @@ Addon::get_filename() const
   return get_id() + ".zip";
 }
 
-const std::string&
-Addon::get_install_filename() const
-{
-  return m_install_filename;
-}
-
-bool
-Addon::is_installed() const
-{
-  return !m_install_filename.empty();
-}
-
-bool
-Addon::is_enabled() const
-{
-  return m_enabled;
-}
-
-bool
-Addon::is_visible() const
-{
-  return true;
-}
-
 bool
 Addon::is_levelset() const
 {
@@ -277,17 +253,4 @@ Addon::requires_restart() const
   return m_type == LANGUAGEPACK || m_type == RESOURCEPACK;
 }
 
-void
-Addon::set_install_filename(const std::string& absolute_filename, const std::string& md5)
-{
-  m_install_filename = absolute_filename;
-  m_md5 = md5;
-}
-
-void
-Addon::set_enabled(bool v)
-{
-  m_enabled = v;
-}
-
 /* EOF */

src/addon/addon.hpp

@@ -62,34 +62,38 @@ class Addon final
   Addon();
 
 public:
-  const std::string& get_id() const { return m_id; }
-  int get_version() const { return m_version; }
-  int get_format() const { return m_format; }
+  inline const std::string& get_id() const { return m_id; }
+  inline int get_version() const { return m_version; }
+  inline int get_format() const { return m_format; }
 
-  Type get_type() const { return m_type; }
-  const std::string& get_title() const { return m_title; }
-  const std::string& get_author() const { return m_author; }
-  const std::string& get_license() const { return m_license; }
+  inline Type get_type() const { return m_type; }
+  inline const std::string& get_title() const { return m_title; }
+  inline const std::string& get_author() const { return m_author; }
+  inline const std::string& get_license() const { return m_license; }
 
-  const std::string& get_description() const { return m_description; }
-  const std::string& get_url() const { return m_url; }
-  const std::string& get_md5() const { return m_md5; }
-  const std::vector<std::string>& get_screenshots() const { return m_screenshots; }
-  const std::vector<std::string>& get_dependencies() const { return m_dependencies; }
+  inline const std::string& get_description() const { return m_description; }
+  inline const std::string& get_url() const { return m_url; }
+  inline const std::string& get_md5() const { return m_md5; }
+  inline const std::vector<std::string>& get_screenshots() const { return m_screenshots; }
+  inline const std::vector<std::string>& get_dependencies() const { return m_dependencies; }
 
   std::string get_filename() const;
-  const std::string& get_install_filename() const;
+  inline const std::string& get_install_filename() const { return m_install_filename; }
 
-  bool is_installed() const;
-  bool is_enabled() const;
-  bool is_visible() const;
+  inline bool is_installed() const { return !m_install_filename.empty(); }
+  inline bool is_enabled() const { return m_enabled; }
+  inline bool is_visible() const { return true; }
 
   bool is_levelset() const;
   bool overrides_data() const;
   bool requires_restart() const;
 
-  void set_install_filename(const std::string& absolute_filename, const std::string& md5);
-  void set_enabled(bool v);
+  inline void set_install_filename(const std::string& absolute_filename, const std::string& md5)
+  {
+    m_install_filename = absolute_filename;
+    m_md5 = md5;
+  }
+  inline void set_enabled(bool v) { m_enabled = v; }
 
 private:
   Addon(const Addon&) = delete;

src/addon/addon_manager.cpp

@@ -259,18 +259,6 @@ AddonManager::get_installed_addons() const
   return get_addons(m_installed_addons);
 }
 
-bool
-AddonManager::has_online_support() const
-{
-  return true;
-}
-
-bool
-AddonManager::has_been_updated() const
-{
-  return m_has_been_updated;
-}
-
 TransferStatusPtr
 AddonManager::request_check_online()
 {

src/addon/addon_manager.hpp

@@ -61,8 +61,8 @@ class AddonManager final : public Currenton<AddonManager>
 
   void empty_cache_directory();
 
-  bool has_online_support() const;
-  bool has_been_updated() const;
+  inline bool has_online_support() const { return true; }
+  inline bool has_been_updated() const { return m_has_been_updated; }
   void check_online();
   TransferStatusPtr request_check_online();
 

src/addon/downloader.hpp

@@ -98,7 +98,7 @@ class TransferStatusList final
 
   int get_download_now() const;
   int get_download_total() const;
-  const std::string& get_error() const { return m_error_msg; }
+  inline const std::string& get_error() const { return m_error_msg; }
 
   bool is_active() const;
 

src/audio/sound_manager.hpp

@@ -90,11 +90,11 @@ class SoundManager final : public Currenton<SoundManager>
   void stop_sounds();
   void set_sound_volume(int volume);
 
-  bool is_music_enabled() const { return m_music_enabled; }
-  bool is_sound_enabled() const { return m_sound_enabled; }
+  inline bool is_music_enabled() const { return m_music_enabled; }
+  inline bool is_sound_enabled() const { return m_sound_enabled; }
 
-  bool is_audio_enabled() const { return m_device != nullptr && m_context != nullptr; }
-  const std::string& get_current_music() const { return m_current_music; }
+  inline bool is_audio_enabled() const { return m_device != nullptr && m_context != nullptr; }
+  inline const std::string& get_current_music() const { return m_current_music; }
   void update();
 
   /** Tell soundmanager to call update() for stream_sound_source. */

src/audio/stream_sound_source.hpp

@@ -42,8 +42,8 @@ class StreamSoundSource final : public OpenALSoundSource
   void set_sound_file(std::unique_ptr<SoundFile> newfile);
 
   void set_fading(FadeState state, float fadetime);
-  FadeState get_fade_state() const { return m_fade_state; }
-  bool get_looping() const { return m_looping; }
+  inline FadeState get_fade_state() const { return m_fade_state; }
+  inline bool get_looping() const { return m_looping; }
 
 private:
   bool fillBufferAndQueue(ALuint buffer);

src/badguy/badguy.hpp

@@ -102,8 +102,8 @@ class BadGuy : public MovingSprite,
       current form. */
   virtual bool can_break() const { return false; }
 
-  Vector get_start_position() const { return m_start_position; }
-  void set_start_position(const Vector& vec) { m_start_position = vec; }
+  inline Vector get_start_position() const { return m_start_position; }
+  inline void set_start_position(const Vector& vec) { m_start_position = vec; }
 
   virtual void grab(MovingObject& object, const Vector& pos, Direction dir) override;
   virtual void ungrab(MovingObject& object, Direction dir) override;
@@ -157,7 +157,7 @@ class BadGuy : public MovingSprite,
   /** Adds velocity from wind */
   virtual void add_wind_velocity(const Vector& velocity, const Vector& end_speed);
 
-  Physic& get_physic() { return m_physic; }
+  inline Physic& get_physic() { return m_physic; }
 
 protected:
   enum State {
@@ -216,7 +216,7 @@ class BadGuy : public MovingSprite,
   void kill_squished(GameObject& object);
 
   void set_state(State state);
-  State get_state() const { return m_state; }
+  inline State get_state() const { return m_state; }
 
   bool check_state_timer() {
     return m_state_timer.check();

src/badguy/crusher.hpp

@@ -64,7 +64,7 @@ class Crusher final : public MovingSprite
   virtual void draw(DrawingContext& context) override;
 
   virtual void after_editor_set() override;
-  virtual bool is_sideways() const { return m_sideways; }
+  inline bool is_sideways() const { return m_sideways; }
 
   static std::string class_name() { return "crusher"; }
   virtual std::string get_class_name() const override { return class_name(); }
@@ -78,9 +78,9 @@ class Crusher final : public MovingSprite
 
   virtual void on_flip(float height) override;
 
-  Physic& get_physic() { return m_physic; }
-  bool is_big() const { return m_ic_size == LARGE; }
-  CrusherState get_state() const { return m_state; }
+  inline Physic& get_physic() { return m_physic; }
+  inline bool is_big() const { return m_ic_size == LARGE; }
+  inline CrusherState get_state() const { return m_state; }
 
 private:
   void spawn_roots(Direction direction);
@@ -123,7 +123,7 @@ class CrusherRoot : public MovingSprite
 
 private:
   void start_animation();
-  bool delay_gone() const { return m_delay_remaining <= 0.f; }
+  inline bool delay_gone() const { return m_delay_remaining <= 0.f; }
 
 private:
   Vector m_original_pos;

src/badguy/dart.cpp

@@ -149,12 +149,6 @@ Dart::play_looping_sounds()
   }
 }
 
-void
-Dart::set_flip(Flip flip)
-{
-  m_flip = flip;
-}
-
 std::vector<Direction>
 Dart::get_allowed_directions() const
 {

src/badguy/dart.hpp

@@ -54,7 +54,7 @@ class Dart final : public BadGuy
 
   virtual void on_flip(float height) override;
 
-  void set_flip(Flip flip);
+  inline void set_flip(Flip flip) { m_flip = flip; }
 
 protected:
   virtual std::vector<Direction> get_allowed_directions() const override;

src/badguy/granito.hpp

@@ -133,7 +133,7 @@ class Granito : public WalkingBadguy
    * @scripting
    * @description Gets the current Granito state. Value is any of the ""GRANITO_STATE"" enumerators.
    */
-  int get_state() const { return static_cast<int>(m_state); }
+  inline int get_state() const { return static_cast<int>(m_state); }
 
   /**
    * @scripting

src/badguy/granito_big.hpp

@@ -49,7 +49,7 @@ class GranitoBig final : public Granito
   virtual GameObjectTypes get_types() const override;
 
   void carry(Granito* granito);
-  Granito* get_carrying() const { return m_carrying; }
+  inline Granito* get_carrying() const { return m_carrying; }
 
   /**
    * @scripting

src/badguy/mrbomb.hpp

@@ -44,7 +44,7 @@ class MrBomb : public WalkingBadguy
   virtual void freeze() override;
   virtual bool is_freezable() const override;
 
-  bool is_ticking() const { return m_state == MB_STATE_TICKING; }
+  inline bool is_ticking() const { return m_state == MB_STATE_TICKING; }
   virtual void trigger(Player* player);
   virtual void explode();
 

src/badguy/treewillowisp.cpp

@@ -154,12 +154,6 @@ TreeWillOWisp::set_color(const Color& color_)
   m_sprite->set_color(color_);
 }
 
-Color
-TreeWillOWisp::get_color() const
-{
-  return color;
-}
-
 void TreeWillOWisp::stop_looping_sounds()
 {
   if (sound_source) {

src/badguy/treewillowisp.hpp

@@ -46,7 +46,7 @@ class TreeWillOWisp final : public BadGuy
   void start_sucking(const Vector& suck_target);
 
   void set_color(const Color& color);
-  Color get_color() const;
+  inline Color get_color() const { return color; }
 
 protected:
   virtual bool collides(GameObject& other, const CollisionHit& hit) const override;

src/badguy/walking_badguy.cpp

@@ -255,10 +255,4 @@ WalkingBadguy::unfreeze(bool melt)
   WalkingBadguy::initialize();
 }
 
-void
-WalkingBadguy::set_velocity_y(float vy)
-{
-  m_physic.set_velocity_y(vy);
-}
-
 /* EOF */

src/badguy/walking_badguy.hpp

@@ -65,16 +65,17 @@ class WalkingBadguy : public BadGuy
   /** used by objects that should make badguys not turn around when they are walking on them */
   void override_stay_on_platform() { m_stay_on_platform_overridden = true; }
 
-  float get_velocity_x() const { return m_physic.get_velocity_x(); }
-  float get_velocity_y() const { return m_physic.get_velocity_y(); }
-  void set_velocity_y(float vy);
+  inline float get_velocity_x() const { return m_physic.get_velocity_x(); }
+  inline float get_velocity_y() const { return m_physic.get_velocity_y(); }
+  inline void set_velocity_x(float vx) { m_physic.set_velocity_x(vx); }
+  inline void set_velocity_y(float vy) { m_physic.set_velocity_y(vy); }
 
   /** Adds velocity to the badguy (be careful when using this) */
   void add_velocity(const Vector& velocity);
 
-  float get_walk_speed() const { return walk_speed; }
+  inline float get_walk_speed() const { return walk_speed; }
   void set_walk_speed (float);
-  bool is_active() const { return BadGuy::is_active(); }
+  inline bool is_active() const { return BadGuy::is_active(); }
 
   /** Set max_drop_height depending on the given behavior */
   void set_ledge_behavior(LedgeBehavior behavior);

src/badguy/willowisp.hpp

@@ -78,7 +78,7 @@ class WillOWisp final : public BadGuy,
   /** make WillOWisp vanish */
   void vanish();
 
-  Color get_color() const { return m_color; }
+  inline Color get_color() const { return m_color; }
 
 protected:
   virtual std::vector<Direction> get_allowed_directions() const override;

src/collision/collision.hpp

@@ -86,12 +86,12 @@ class Constraints final
   float get_position_left   () const { return position_left;   }
   float get_position_right  () const { return position_right;  }
   float get_position_top    () const { return position_top;    }
-  float get_position_bottom () const { return position_bottom; }
+  inline float get_position_bottom () const { return position_bottom; }
 
-  float get_height () const { return (position_bottom - position_top); }
-  float get_width  () const { return (position_right - position_left); }
+  inline float get_height () const { return (position_bottom - position_top); }
+  inline float get_width  () const { return (position_right - position_left); }
 
-  float get_x_midpoint () const { return (.5f * (position_left + position_right)); }
+  inline float get_x_midpoint () const { return (.5f * (position_left + position_right)); }
 
   CollisionHit hit;