issue #3162: Add layer cascade color and cascade opacity test, fix bugs

cocos/2d/CCNode.cpp

@@ -1441,6 +1441,7 @@ void Node::setOpacity(GLubyte opacity)
 void Node::updateDisplayedOpacity(GLubyte parentOpacity)
 {
 	_displayedOpacity = _realOpacity * parentOpacity/255.0;
+    updateColor();
     
     if (_cascadeOpacityEnabled)
     {
@@ -1457,7 +1458,7 @@ bool Node::isCascadeOpacityEnabled(void) const
 
 void Node::setCascadeOpacityEnabled(bool cascadeOpacityEnabled)
 {
-    if (_cascadeColorEnabled == cascadeOpacityEnabled)
+    if (_cascadeOpacityEnabled == cascadeOpacityEnabled)
     {
         return;
     }
@@ -1491,7 +1492,7 @@ void Node::disableCascadeOpacity()
     _displayedOpacity = _realOpacity;
     
     _children.forEach([this](Node* child){
-        child->disableCascadeOpacity();
+        child->updateDisplayedOpacity(255);
     });
 }
 
@@ -1517,6 +1518,7 @@ void Node::updateDisplayedColor(const Color3B& parentColor)
 	_displayedColor.r = _realColor.r * parentColor.r/255.0;
 	_displayedColor.g = _realColor.g * parentColor.g/255.0;
 	_displayedColor.b = _realColor.b * parentColor.b/255.0;
+    updateColor();
     
     if (_cascadeColorEnabled)
     {
@@ -1564,7 +1566,7 @@ void Node::updateCascadeColor()
 void Node::disableCascadeColor()
 {
     _children.forEach([this](Node* child){
-        child->disableCascadeColor();
+        child->updateDisplayedColor(Color3B::WHITE);
     });
 }
 

cocos/2d/CCNode.h

@@ -1428,6 +1428,7 @@ protected:
     virtual void disableCascadeOpacity();
     virtual void updateCascadeColor();
     virtual void disableCascadeColor();
+    virtual void updateColor() {}
 
 
     float _rotationX;                 ///< rotation angle on x-axis

samples/Cpp/TestCpp/Classes/LayerTest/LayerTest.cpp

@@ -22,7 +22,9 @@ static std::function<Layer*()> createFunctions[] = {
     CL(LayerIgnoreAnchorPointPos),
     CL(LayerIgnoreAnchorPointRot),
     CL(LayerIgnoreAnchorPointScale),
-    CL(LayerExtendedBlendOpacityTest)
+    CL(LayerExtendedBlendOpacityTest),
+    CL(LayerBug3162A),
+    CL(LayerBug3162B),
 };
 
 static int sceneIdx=-1;
@@ -863,3 +865,91 @@ string LayerExtendedBlendOpacityTest::subtitle()
     return "You should see 3 layers";
 }
 
+// LayerBug3162A
+void LayerBug3162A::onEnter()
+{
+    LayerTest::onEnter();
+    
+    Size size = VisibleRect::getVisibleRect().size;
+    size.width = size.width / 2;
+    size.height = size.height / 3;
+    Color4B color[3] = {Color4B(255, 0, 0, 255), Color4B(0, 255, 0, 255), Color4B(0, 0, 255, 255)};
+    
+    for (int i = 0; i < 3; ++i)
+    {
+        _layer[i] = LayerColor::create(color[i]);
+        _layer[i]->setContentSize(size);
+        _layer[i]->setPosition(Point(size.width/2, size.height/2) - Point(20, 20));
+        _layer[i]->setOpacity(150);
+        _layer[i]->setCascadeOpacityEnabled(true);
+        if (i > 0)
+        {
+            _layer[i-1]->addChild(_layer[i]);
+        }
+    }
+    
+    this->addChild(_layer[0]);
+    
+    schedule(schedule_selector(LayerBug3162A::step), 0.5, kRepeatForever, 0);
+}
+
+void LayerBug3162A::step(float dt)
+{
+    _layer[0]->setCascadeOpacityEnabled(!_layer[0]->isCascadeOpacityEnabled());
+}
+
+std::string LayerBug3162A::title()
+{
+    return "Bug 3162 red layer cascade opacity eable/disable";
+}
+
+std::string LayerBug3162A::subtitle()
+{
+    return "g and b layer opacity is effected/diseffected with r layer";
+}
+
+// LayerBug3162B
+void LayerBug3162B::onEnter()
+{
+    LayerTest::onEnter();
+    
+    Size size = VisibleRect::getVisibleRect().size;
+    size.width = size.width / 2;
+    size.height = size.height / 3;
+    Color4B color[3] = {Color4B(200, 0, 0, 255), Color4B(150, 0, 0, 255), Color4B(100, 0, 0, 255)};
+    
+    for (int i = 0; i < 3; ++i)
+    {
+        _layer[i] = LayerColor::create(color[i]);
+        _layer[i]->setContentSize(size);
+        _layer[i]->setPosition(Point(size.width/2, size.height/2) - Point(20, 20));
+        //_layer[i]->setOpacity(150);
+        if (i > 0)
+        {
+            _layer[i-1]->addChild(_layer[i]);
+        }
+    }
+    
+    this->addChild(_layer[0]);
+    
+    _layer[0]->setCascadeColorEnabled(true);
+    _layer[1]->setCascadeColorEnabled(true);
+    _layer[2]->setCascadeColorEnabled(true);
+    
+    schedule(schedule_selector(LayerBug3162B::step), 0.5, kRepeatForever, 0);
+}
+
+void LayerBug3162B::step(float dt)
+{
+    _layer[0]->setCascadeColorEnabled(!_layer[0]->isCascadeColorEnabled());
+}
+
+std::string LayerBug3162B::title()
+{
+    return "Bug 3162 bottom layer cascade opacity eable/disable";
+}
+
+std::string LayerBug3162B::subtitle()
+{
+    return "u and m layer opacity is effected/diseffected with b layer";
+}

samples/Cpp/TestCpp/Classes/LayerTest/LayerTest.h

@@ -174,6 +174,34 @@ public:
     virtual std::string subtitle();
 };
 
+class LayerBug3162A : public LayerTest
+{
+public:
+    CREATE_FUNC(LayerBug3162A);
+    virtual void onEnter();
+    virtual std::string title();
+    virtual std::string subtitle();
+    
+    void step(float dt);
+    
+private:
+    LayerColor* _layer[3];
+};
+
+class LayerBug3162B : public LayerTest
+{
+public:
+    CREATE_FUNC(LayerBug3162B);
+    virtual void onEnter();
+    virtual std::string title();
+    virtual std::string subtitle();
+    
+    void step(float dt);
+    
+private:
+    LayerColor* _layer[3];
+};
+
 class LayerTestScene : public TestScene
 {
 public: