remove void arg in func delcaration and reformat (cocos2d#19758)

f(void) is same as f() in C++ (but not in C), hence removing void.
And reformat the code around f(void) a bit.

Author: JohnCoconut

cocos/2d/CCAction.h

@@ -294,7 +294,7 @@ class CC_DLL Speed : public Action
 
 CC_CONSTRUCTOR_ACCESS:
     Speed();
-    virtual ~Speed(void);
+    virtual ~Speed();
     /** Initializes the action. */
     bool initWithAction(ActionInterval *action, float speed);
 

cocos/2d/CCActionEase.cpp

@@ -64,7 +64,7 @@ bool ActionEase::initWithAction(ActionInterval *action)
     return false;
 }
 
-ActionEase::~ActionEase(void)
+ActionEase::~ActionEase()
 {
     CC_SAFE_RELEASE(_inner);
 }
@@ -82,7 +82,7 @@ void ActionEase::startWithTarget(Node *target)
     }
 }
 
-void ActionEase::stop(void)
+void ActionEase::stop()
 {
     if (_inner)
         _inner->stop();

cocos/2d/CCActionGrid.cpp

@@ -131,7 +131,7 @@ Rect Grid3DAction::getGridRect() const
 
 // implementation of TiledGrid3DAction
 
-GridBase* TiledGrid3DAction::getGrid(void)
+GridBase* TiledGrid3DAction::getGrid()
 {
     return TiledGrid3D::create(_gridSize, _gridNodeTarget->getGridRect());
 }

cocos/2d/CCActionInterval.h

@@ -253,12 +253,12 @@ class CC_DLL Repeat : public ActionInterval
     virtual Repeat* clone() const override;
     virtual Repeat* reverse() const override;
     virtual void startWithTarget(Node *target) override;
-    virtual void stop(void) override;
+    virtual void stop() override;
     /**
      * @param dt In seconds.
      */
     virtual void update(float dt) override;
-    virtual bool isDone(void) const override;
+    virtual bool isDone() const override;
 
 CC_CONSTRUCTOR_ACCESS:
     Repeat() {}
@@ -321,13 +321,13 @@ class CC_DLL RepeatForever : public ActionInterval
     // Overrides
     //
     virtual RepeatForever* clone() const override;
-    virtual RepeatForever* reverse(void) const override;
+    virtual RepeatForever* reverse() const override;
     virtual void startWithTarget(Node* target) override;
     /**
      * @param dt In seconds.
      */
     virtual void step(float dt) override;
-    virtual bool isDone(void) const override;
+    virtual bool isDone() const override;
 
 CC_CONSTRUCTOR_ACCESS:
     RepeatForever()

cocos/2d/CCActionTiledGrid.cpp

@@ -566,7 +566,7 @@ TurnOffTiles* TurnOffTiles::clone() const
     return TurnOffTiles::create(_duration, _gridSize, _seed);
 }
 
-TurnOffTiles::~TurnOffTiles(void)
+TurnOffTiles::~TurnOffTiles()
 {
     CC_SAFE_DELETE_ARRAY(_tilesOrder);
 }

cocos/2d/CCAnimation.cpp

@@ -156,7 +156,7 @@ Animation::Animation()
 
 }
 
-Animation::~Animation(void)
+Animation::~Animation()
 {
     CCLOGINFO("deallocing Animation: %p", this);
 }
@@ -185,7 +185,7 @@ void Animation::addSpriteFrameWithTexture(Texture2D *pobTexture, const Rect& rec
     addSpriteFrame(frame);
 }
 
-float Animation::getDuration(void) const
+float Animation::getDuration() const
 {
     return _totalDelayUnits * _delayPerUnit;
 }

cocos/2d/CCAnimation.h

@@ -170,7 +170,7 @@ class CC_DLL Animation : public Ref, public Clonable
     /** Creates an animation.
      * @since v0.99.5
      */
-    static Animation* create(void);
+    static Animation* create();
 
     /* Creates an animation with an array of SpriteFrame and a delay between frames in seconds.
      * The frames will be added with one "delay unit".
@@ -284,7 +284,7 @@ class CC_DLL Animation : public Ref, public Clonable
 
 CC_CONSTRUCTOR_ACCESS:
     Animation();
-    virtual ~Animation(void);
+    virtual ~Animation();
 
     /** Initializes a Animation. */
     bool init();

cocos/2d/CCAnimationCache.h

@@ -81,7 +81,7 @@ class CC_DLL AnimationCache : public Ref
     /** @deprecated Use destroyInstance() instead. */
     CC_DEPRECATED_ATTRIBUTE static void purgeSharedAnimationCache() { return AnimationCache::destroyInstance(); }
 
-    bool init(void);
+    bool init();
 
     /** Adds a Animation with a name.
      *

cocos/2d/CCAtlasNode.h

@@ -85,7 +85,7 @@ class CC_DLL AtlasNode : public Node, public TextureProtocol
     virtual void setTexture(Texture2D *texture) override;
     virtual bool isOpacityModifyRGB() const override;
     virtual void setOpacityModifyRGB(bool isOpacityModifyRGB) override;
-    virtual const Color3B& getColor(void) const override;
+    virtual const Color3B& getColor() const override;
     virtual void setColor(const Color3B& color) override;
     virtual void setOpacity(GLubyte opacity) override;
     /**

cocos/2d/CCFontFNT.cpp

@@ -222,7 +222,7 @@ BMFontConfiguration::~BMFontConfiguration()
     CC_SAFE_DELETE(_characterSet);
 }
 
-std::string BMFontConfiguration::description(void) const
+std::string BMFontConfiguration::description() const
 {
     return StringUtils::format(
         "<BMFontConfiguration = " CC_FORMAT_PRINTF_SIZE_T " | Glphys:%d Kernings:%d | Image = %s>",