Move duck method into class

src/openrct2-ui/interface/ViewportInteraction.cpp

@@ -208,7 +208,7 @@ bool ViewportInteractionLeftClick(const ScreenCoordsXY& screenCoords)
                         auto duck = entity->As<Duck>();
                         if (duck != nullptr)
                         {
-                            duck_press(duck);
+                            duck->Press();
                         }
                     }
                 }

src/openrct2/actions/SetCheatAction.cpp

@@ -232,7 +232,7 @@ GameActions::Result::Ptr SetCheatAction::Execute() const
             CreateDucks(_param1);
             break;
         case CheatType::RemoveDucks:
-            duck_remove_all();
+            Duck::RemoveAll();
             break;
         case CheatType::AllowTrackPlaceInvalidHeights:
             gCheatsAllowTrackPlaceInvalidHeights = _param1 != 0;

src/openrct2/scenario/Scenario.cpp

@@ -153,7 +153,7 @@ void scenario_begin()
     award_reset();
     reset_all_ride_build_dates();
     date_reset();
-    duck_remove_all();
+    Duck::RemoveAll();
     park_calculate_size();
     map_count_remaining_land_rights();
     Staff::ResetStats();
@@ -478,7 +478,7 @@ bool scenario_create_ducks()
         CoordsXY targetPos{ centrePos.x + innerPos.x - SquareRadiusSize, centrePos.y + innerPos.y - SquareRadiusSize };
 
         Guard::Assert(map_is_location_valid(targetPos));
-        create_duck(targetPos);
+        Duck::Create(targetPos);
     }
 
     return true;

src/openrct2/world/Duck.cpp

@@ -279,7 +279,7 @@ uint32_t Duck::GetFrameImage(int32_t direction) const
     return imageId;
 }
 
-void create_duck(const CoordsXY& pos)
+void Duck::Create(const CoordsXY& pos)
 {
     auto* duck = CreateEntity<Duck>();
     if (duck == nullptr)
@@ -340,12 +340,12 @@ void Duck::Update()
     }
 }
 
-void duck_press(Duck* duck)
+void Duck::Press()
 {
-    OpenRCT2::Audio::Play3D(OpenRCT2::Audio::SoundId::Quack, { duck->x, duck->y, duck->z });
+    OpenRCT2::Audio::Play3D(OpenRCT2::Audio::SoundId::Quack, { x, y, z });
 }
 
-void duck_remove_all()
+void Duck::RemoveAll()
 {
     for (auto duck : EntityList<Duck>())
     {

src/openrct2/world/Duck.h

@@ -29,6 +29,9 @@ struct Duck : MiscEntity
     int16_t target_y;
     DuckState state;
 
+    static void Create(const CoordsXY& pos);
+    static void RemoveAll();
+    void Press();
     void Update();
     uint32_t GetFrameImage(int32_t direction) const;
     bool IsFlying();
@@ -42,7 +45,3 @@ private:
     void UpdateDoubleDrink();
     void UpdateFlyAway();
 };
-
-void create_duck(const CoordsXY& pos);
-void duck_press(Duck* duck);
-void duck_remove_all();