/**************************************************************************** Copyright (c) 2008-2010 Ricardo Quesada Copyright (c) 2010-2012 cocos2d-x.org Copyright (c) 2011 Zynga Inc. Copyright (c) 2013-2014 Chukong Technologies Inc. http://www.cocos2d-x.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ****************************************************************************/ #include #include "2d/CCLayer.h" #include "base/CCScriptSupport.h" #include "platform/CCDevice.h" #include "renderer/CCRenderer.h" #include "renderer/ccGLStateCache.h" #include "renderer/CCGLProgramState.h" #include "base/CCDirector.h" #include "base/CCEventDispatcher.h" #include "base/CCEventListenerTouch.h" #include "base/CCEventTouch.h" #include "base/CCEventKeyboard.h" #include "base/CCEventListenerKeyboard.h" #include "base/CCEventAcceleration.h" #include "base/CCEventListenerAcceleration.h" #include "deprecated/CCString.h" NS_CC_BEGIN // Layer Layer::Layer() : _touchEnabled(false) , _accelerometerEnabled(false) , _keyboardEnabled(false) , _touchListener(nullptr) , _keyboardListener(nullptr) , _accelerationListener(nullptr) , _touchMode(Touch::DispatchMode::ALL_AT_ONCE) , _swallowsTouches(true) { _ignoreAnchorPointForPosition = true; setAnchorPoint(Vec2(0.5f, 0.5f)); } Layer::~Layer() { } bool Layer::init() { Director * director = Director::getInstance(); setContentSize(director->getWinSize()); return true; } Layer *Layer::create() { Layer *ret = new (std::nothrow) Layer(); if (ret && ret->init()) { ret->autorelease(); return ret; } else { CC_SAFE_DELETE(ret); return nullptr; } } int Layer::executeScriptTouchHandler(EventTouch::EventCode eventType, Touch* touch, Event* event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { TouchScriptData data(eventType, this, touch, event); ScriptEvent scriptEvent(kTouchEvent, &data); return ScriptEngineManager::getInstance()->getScriptEngine()->sendEvent(&scriptEvent); } #endif //can not reach it return 0; } int Layer::executeScriptTouchesHandler(EventTouch::EventCode eventType, const std::vector& touches, Event* event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { TouchesScriptData data(eventType, this, touches, event); ScriptEvent scriptEvent(kTouchesEvent, &data); return ScriptEngineManager::getInstance()->getScriptEngine()->sendEvent(&scriptEvent); } #endif return 0; } #if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))) #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #elif _MSC_VER >= 1400 //vs 2005 or higher #pragma warning (push) #pragma warning (disable: 4996) #endif /// isTouchEnabled getter bool Layer::isTouchEnabled() const { return _touchEnabled; } /// isTouchEnabled setter void Layer::setTouchEnabled(bool enabled) { if (_touchEnabled != enabled) { _touchEnabled = enabled; if (enabled) { if (_touchListener != nullptr) return; if( _touchMode == Touch::DispatchMode::ALL_AT_ONCE ) { // Register Touch Event auto listener = EventListenerTouchAllAtOnce::create(); listener->onTouchesBegan = CC_CALLBACK_2(Layer::onTouchesBegan, this); listener->onTouchesMoved = CC_CALLBACK_2(Layer::onTouchesMoved, this); listener->onTouchesEnded = CC_CALLBACK_2(Layer::onTouchesEnded, this); listener->onTouchesCancelled = CC_CALLBACK_2(Layer::onTouchesCancelled, this); _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); _touchListener = listener; } else { // Register Touch Event auto listener = EventListenerTouchOneByOne::create(); listener->setSwallowTouches(_swallowsTouches); listener->onTouchBegan = CC_CALLBACK_2(Layer::onTouchBegan, this); listener->onTouchMoved = CC_CALLBACK_2(Layer::onTouchMoved, this); listener->onTouchEnded = CC_CALLBACK_2(Layer::onTouchEnded, this); listener->onTouchCancelled = CC_CALLBACK_2(Layer::onTouchCancelled, this); _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); _touchListener = listener; } } else { _eventDispatcher->removeEventListener(_touchListener); _touchListener = nullptr; } } } void Layer::setTouchMode(Touch::DispatchMode mode) { if(_touchMode != mode) { _touchMode = mode; if( _touchEnabled) { setTouchEnabled(false); setTouchEnabled(true); } } } void Layer::setSwallowsTouches(bool swallowsTouches) { if (_swallowsTouches != swallowsTouches) { _swallowsTouches = swallowsTouches; if( _touchEnabled) { setTouchEnabled(false); setTouchEnabled(true); } } } Touch::DispatchMode Layer::getTouchMode() const { return _touchMode; } bool Layer::isSwallowsTouches() const { return _swallowsTouches; } /// isAccelerometerEnabled getter bool Layer::isAccelerometerEnabled() const { return _accelerometerEnabled; } /// isAccelerometerEnabled setter void Layer::setAccelerometerEnabled(bool enabled) { if (enabled != _accelerometerEnabled) { _accelerometerEnabled = enabled; Device::setAccelerometerEnabled(enabled); _eventDispatcher->removeEventListener(_accelerationListener); _accelerationListener = nullptr; if (enabled) { _accelerationListener = EventListenerAcceleration::create(CC_CALLBACK_2(Layer::onAcceleration, this)); _eventDispatcher->addEventListenerWithSceneGraphPriority(_accelerationListener, this); } } } void Layer::setAccelerometerInterval(double interval) { if (_accelerometerEnabled) { if (_running) { Device::setAccelerometerInterval(interval); } } } void Layer::onAcceleration(Acceleration* acc, Event* unused_event) { CC_UNUSED_PARAM(acc); CC_UNUSED_PARAM(unused_event); #if CC_ENABLE_SCRIPT_BINDING if(kScriptTypeNone != _scriptType) { BasicScriptData data(this,(void*)acc); ScriptEvent event(kAccelerometerEvent,&data); ScriptEngineManager::getInstance()->getScriptEngine()->sendEvent(&event); } #endif } void Layer::onKeyPressed(EventKeyboard::KeyCode keyCode, Event* unused_event) { CC_UNUSED_PARAM(keyCode); CC_UNUSED_PARAM(unused_event); } void Layer::onKeyReleased(EventKeyboard::KeyCode keyCode, Event* unused_event) { CC_UNUSED_PARAM(unused_event); #if CC_ENABLE_SCRIPT_BINDING if(kScriptTypeNone != _scriptType) { KeypadScriptData data(keyCode, this); ScriptEvent event(kKeypadEvent,&data); ScriptEngineManager::getInstance()->getScriptEngine()->sendEvent(&event); } #endif } /// isKeyboardEnabled getter bool Layer::isKeyboardEnabled() const { return _keyboardEnabled; } /// isKeyboardEnabled setter void Layer::setKeyboardEnabled(bool enabled) { if (enabled != _keyboardEnabled) { _keyboardEnabled = enabled; _eventDispatcher->removeEventListener(_keyboardListener); _keyboardListener = nullptr; if (enabled) { auto listener = EventListenerKeyboard::create(); listener->onKeyPressed = CC_CALLBACK_2(Layer::onKeyPressed, this); listener->onKeyReleased = CC_CALLBACK_2(Layer::onKeyReleased, this); _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this); _keyboardListener = listener; } } } void Layer::setKeypadEnabled(bool enabled) { setKeyboardEnabled(enabled); } /// Callbacks bool Layer::onTouchBegan(Touch *touch, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { return executeScriptTouchHandler(EventTouch::EventCode::BEGAN, touch, event) == 0 ? false : true; } #endif CC_UNUSED_PARAM(event); CCASSERT(false, "Layer#ccTouchBegan override me"); return true; } void Layer::onTouchMoved(Touch *touch, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchHandler(EventTouch::EventCode::MOVED, touch, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchEnded(Touch *touch, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchHandler(EventTouch::EventCode::ENDED, touch, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchCancelled(Touch *touch, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchHandler(EventTouch::EventCode::CANCELLED, touch, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchesBegan(const std::vector& touches, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchesHandler(EventTouch::EventCode::BEGAN, touches, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchesMoved(const std::vector& touches, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchesHandler(EventTouch::EventCode::MOVED, touches, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchesEnded(const std::vector& touches, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchesHandler(EventTouch::EventCode::ENDED, touches, event); return; } #endif CC_UNUSED_PARAM(event); } void Layer::onTouchesCancelled(const std::vector& touches, Event *event) { #if CC_ENABLE_SCRIPT_BINDING if (kScriptTypeLua == _scriptType) { executeScriptTouchesHandler(EventTouch::EventCode::CANCELLED, touches, event); return; } #endif CC_UNUSED_PARAM(event); } std::string Layer::getDescription() const { return StringUtils::format("", _tag); } __LayerRGBA::__LayerRGBA() { CCLOG("LayerRGBA deprecated."); } #if defined(__GNUC__) && ((__GNUC__ >= 4) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 1))) #pragma GCC diagnostic warning "-Wdeprecated-declarations" #elif _MSC_VER >= 1400 //vs 2005 or higher #pragma warning (pop) #endif /// LayerColor LayerColor::LayerColor() { // default blend function _blendFunc = BlendFunc::ALPHA_PREMULTIPLIED; } LayerColor::~LayerColor() { } /// blendFunc getter const BlendFunc &LayerColor::getBlendFunc() const { return _blendFunc; } /// blendFunc setter void LayerColor::setBlendFunc(const BlendFunc &var) { _blendFunc = var; } LayerColor* LayerColor::create() { LayerColor* ret = new (std::nothrow) LayerColor(); if (ret && ret->init()) { ret->autorelease(); } else { CC_SAFE_DELETE(ret); } return ret; } LayerColor * LayerColor::create(const Color4B& color, GLfloat width, GLfloat height) { LayerColor * layer = new (std::nothrow) LayerColor(); if( layer && layer->initWithColor(color,width,height)) { layer->autorelease(); return layer; } CC_SAFE_DELETE(layer); return nullptr; } LayerColor * LayerColor::create(const Color4B& color) { LayerColor * layer = new (std::nothrow) LayerColor(); if(layer && layer->initWithColor(color)) { layer->autorelease(); return layer; } CC_SAFE_DELETE(layer); return nullptr; } bool LayerColor::init() { Size s = Director::getInstance()->getWinSize(); return initWithColor(Color4B(0,0,0,0), s.width, s.height); } bool LayerColor::initWithColor(const Color4B& color, GLfloat w, GLfloat h) { if (Layer::init()) { // default blend function _blendFunc = BlendFunc::ALPHA_NON_PREMULTIPLIED; _displayedColor.r = _realColor.r = color.r; _displayedColor.g = _realColor.g = color.g; _displayedColor.b = _realColor.b = color.b; _displayedOpacity = _realOpacity = color.a; for (size_t i = 0; igetWinSize(); this->initWithColor(color, s.width, s.height); return true; } /// override contentSize void LayerColor::setContentSize(const Size & size) { _squareVertices[1].x = size.width; _squareVertices[2].y = size.height; _squareVertices[3].x = size.width; _squareVertices[3].y = size.height; Layer::setContentSize(size); } void LayerColor::changeWidthAndHeight(GLfloat w ,GLfloat h) { this->setContentSize(Size(w, h)); } void LayerColor::changeWidth(GLfloat w) { this->setContentSize(Size(w, _contentSize.height)); } void LayerColor::changeHeight(GLfloat h) { this->setContentSize(Size(_contentSize.width, h)); } void LayerColor::updateColor() { for( unsigned int i=0; i < 4; i++ ) { _squareColors[i].r = _displayedColor.r / 255.0f; _squareColors[i].g = _displayedColor.g / 255.0f; _squareColors[i].b = _displayedColor.b / 255.0f; _squareColors[i].a = _displayedOpacity / 255.0f; } } void LayerColor::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags) { _customCommand.init(_globalZOrder, transform, flags); _customCommand.func = CC_CALLBACK_0(LayerColor::onDraw, this, transform, flags); renderer->addCommand(&_customCommand); for(int i = 0; i < 4; ++i) { Vec4 pos; pos.x = _squareVertices[i].x; pos.y = _squareVertices[i].y; pos.z = _positionZ; pos.w = 1; _modelViewTransform.transformVector(&pos); _noMVPVertices[i] = Vec3(pos.x,pos.y,pos.z)/pos.w; } } void LayerColor::onDraw(const Mat4& transform, uint32_t flags) { getGLProgram()->use(); getGLProgram()->setUniformsForBuiltins(transform); GL::enableVertexAttribs( GL::VERTEX_ATTRIB_FLAG_POSITION | GL::VERTEX_ATTRIB_FLAG_COLOR ); // // Attributes // glBindBuffer(GL_ARRAY_BUFFER, 0); glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 3, GL_FLOAT, GL_FALSE, 0, _noMVPVertices); glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_FLOAT, GL_FALSE, 0, _squareColors); GL::blendFunc( _blendFunc.src, _blendFunc.dst ); glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1,4); } std::string LayerColor::getDescription() const { return StringUtils::format("", _tag); } // // LayerGradient // LayerGradient::LayerGradient() : _startColor(Color4B::BLACK) , _endColor(Color4B::BLACK) , _startOpacity(255) , _endOpacity(255) , _alongVector(Vec2(0, -1)) , _compressedInterpolation(true) { } LayerGradient::~LayerGradient() { } LayerGradient* LayerGradient::create(const Color4B& start, const Color4B& end) { LayerGradient * layer = new (std::nothrow) LayerGradient(); if( layer && layer->initWithColor(start, end)) { layer->autorelease(); return layer; } CC_SAFE_DELETE(layer); return nullptr; } LayerGradient* LayerGradient::create(const Color4B& start, const Color4B& end, const Vec2& v) { LayerGradient * layer = new (std::nothrow) LayerGradient(); if( layer && layer->initWithColor(start, end, v)) { layer->autorelease(); return layer; } CC_SAFE_DELETE(layer); return nullptr; } LayerGradient* LayerGradient::create() { LayerGradient* ret = new (std::nothrow) LayerGradient(); if (ret && ret->init()) { ret->autorelease(); } else { CC_SAFE_DELETE(ret); } return ret; } bool LayerGradient::init() { return initWithColor(Color4B(0, 0, 0, 255), Color4B(0, 0, 0, 255)); } bool LayerGradient::initWithColor(const Color4B& start, const Color4B& end) { return initWithColor(start, end, Vec2(0, -1)); } bool LayerGradient::initWithColor(const Color4B& start, const Color4B& end, const Vec2& v) { _endColor.r = end.r; _endColor.g = end.g; _endColor.b = end.b; _endOpacity = end.a; _startOpacity = start.a; _alongVector = v; _compressedInterpolation = true; return LayerColor::initWithColor(Color4B(start.r, start.g, start.b, 255)); } void LayerGradient::updateColor() { LayerColor::updateColor(); float h = _alongVector.getLength(); if (h == 0) return; float c = sqrtf(2.0f); Vec2 u(_alongVector.x / h, _alongVector.y / h); // Compressed Interpolation mode if (_compressedInterpolation) { float h2 = 1 / ( fabsf(u.x) + fabsf(u.y) ); u = u * (h2 * (float)c); } float opacityf = (float)_displayedOpacity / 255.0f; Color4F S( _displayedColor.r / 255.0f, _displayedColor.g / 255.0f, _displayedColor.b / 255.0f, _startOpacity * opacityf / 255.0f ); Color4F E( _endColor.r / 255.0f, _endColor.g / 255.0f, _endColor.b / 255.0f, _endOpacity * opacityf / 255.0f ); // (-1, -1) _squareColors[0].r = E.r + (S.r - E.r) * ((c + u.x + u.y) / (2.0f * c)); _squareColors[0].g = E.g + (S.g - E.g) * ((c + u.x + u.y) / (2.0f * c)); _squareColors[0].b = E.b + (S.b - E.b) * ((c + u.x + u.y) / (2.0f * c)); _squareColors[0].a = E.a + (S.a - E.a) * ((c + u.x + u.y) / (2.0f * c)); // (1, -1) _squareColors[1].r = E.r + (S.r - E.r) * ((c - u.x + u.y) / (2.0f * c)); _squareColors[1].g = E.g + (S.g - E.g) * ((c - u.x + u.y) / (2.0f * c)); _squareColors[1].b = E.b + (S.b - E.b) * ((c - u.x + u.y) / (2.0f * c)); _squareColors[1].a = E.a + (S.a - E.a) * ((c - u.x + u.y) / (2.0f * c)); // (-1, 1) _squareColors[2].r = E.r + (S.r - E.r) * ((c + u.x - u.y) / (2.0f * c)); _squareColors[2].g = E.g + (S.g - E.g) * ((c + u.x - u.y) / (2.0f * c)); _squareColors[2].b = E.b + (S.b - E.b) * ((c + u.x - u.y) / (2.0f * c)); _squareColors[2].a = E.a + (S.a - E.a) * ((c + u.x - u.y) / (2.0f * c)); // (1, 1) _squareColors[3].r = E.r + (S.r - E.r) * ((c - u.x - u.y) / (2.0f * c)); _squareColors[3].g = E.g + (S.g - E.g) * ((c - u.x - u.y) / (2.0f * c)); _squareColors[3].b = E.b + (S.b - E.b) * ((c - u.x - u.y) / (2.0f * c)); _squareColors[3].a = E.a + (S.a - E.a) * ((c - u.x - u.y) / (2.0f * c)); } const Color3B& LayerGradient::getStartColor() const { return _realColor; } void LayerGradient::setStartColor(const Color3B& color) { setColor(color); } void LayerGradient::setEndColor(const Color3B& color) { _endColor = color; updateColor(); } const Color3B& LayerGradient::getEndColor() const { return _endColor; } void LayerGradient::setStartOpacity(GLubyte o) { _startOpacity = o; updateColor(); } GLubyte LayerGradient::getStartOpacity() const { return _startOpacity; } void LayerGradient::setEndOpacity(GLubyte o) { _endOpacity = o; updateColor(); } GLubyte LayerGradient::getEndOpacity() const { return _endOpacity; } void LayerGradient::setVector(const Vec2& var) { _alongVector = var; updateColor(); } const Vec2& LayerGradient::getVector() const { return _alongVector; } bool LayerGradient::isCompressedInterpolation() const { return _compressedInterpolation; } void LayerGradient::setCompressedInterpolation(bool compress) { _compressedInterpolation = compress; updateColor(); } std::string LayerGradient::getDescription() const { return StringUtils::format("", _tag); } /// MultiplexLayer LayerMultiplex::LayerMultiplex() : _enabledLayer(0) { } LayerMultiplex::~LayerMultiplex() { for(const auto &layer : _layers) { layer->cleanup(); } } #if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT) LayerMultiplex * LayerMultiplex::createVariadic(Layer * layer, ...) { va_list args; va_start(args,layer); LayerMultiplex * multiplexLayer = new (std::nothrow) LayerMultiplex(); if(multiplexLayer && multiplexLayer->initWithLayers(layer, args)) { multiplexLayer->autorelease(); va_end(args); return multiplexLayer; } va_end(args); CC_SAFE_DELETE(multiplexLayer); return nullptr; } #else LayerMultiplex * LayerMultiplex::create(Layer * layer, ...) { va_list args; va_start(args,layer); LayerMultiplex * multiplexLayer = new (std::nothrow) LayerMultiplex(); if(multiplexLayer && multiplexLayer->initWithLayers(layer, args)) { multiplexLayer->autorelease(); va_end(args); return multiplexLayer; } va_end(args); CC_SAFE_DELETE(multiplexLayer); return nullptr; } #endif LayerMultiplex * LayerMultiplex::createWithLayer(Layer* layer) { return LayerMultiplex::create(layer, nullptr); } LayerMultiplex* LayerMultiplex::create() { LayerMultiplex* ret = new (std::nothrow) LayerMultiplex(); if (ret && ret->init()) { ret->autorelease(); } else { CC_SAFE_DELETE(ret); } return ret; } LayerMultiplex* LayerMultiplex::createWithArray(const Vector& arrayOfLayers) { LayerMultiplex* ret = new (std::nothrow) LayerMultiplex(); if (ret && ret->initWithArray(arrayOfLayers)) { ret->autorelease(); } else { CC_SAFE_DELETE(ret); } return ret; } void LayerMultiplex::addLayer(Layer* layer) { #if CC_ENABLE_GC_FOR_NATIVE_OBJECTS ScriptEngineManager::getInstance()->getScriptEngine()->retainScriptObject(this, layer); #endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS _layers.pushBack(layer); } bool LayerMultiplex::init() { if (Layer::init()) { _enabledLayer = 0; return true; } return false; } bool LayerMultiplex::initWithLayers(Layer *layer, va_list params) { if (Layer::init()) { _layers.reserve(5); #if CC_ENABLE_GC_FOR_NATIVE_OBJECTS ScriptEngineManager::getInstance()->getScriptEngine()->retainScriptObject(this, layer); #endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS _layers.pushBack(layer); Layer *l = va_arg(params,Layer*); while( l ) { #if CC_ENABLE_GC_FOR_NATIVE_OBJECTS ScriptEngineManager::getInstance()->getScriptEngine()->retainScriptObject(this, l); #endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS _layers.pushBack(l); l = va_arg(params,Layer*); } _enabledLayer = 0; this->addChild(_layers.at(_enabledLayer)); return true; } return false; } bool LayerMultiplex::initWithArray(const Vector& arrayOfLayers) { if (Layer::init()) { #if CC_ENABLE_GC_FOR_NATIVE_OBJECTS for (const auto &layer : arrayOfLayers) { if (layer) ScriptEngineManager::getInstance()->getScriptEngine()->retainScriptObject(this, layer); } #endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS _layers.reserve(arrayOfLayers.size()); _layers.pushBack(arrayOfLayers); _enabledLayer = 0; this->addChild(_layers.at(_enabledLayer)); return true; } return false; } void LayerMultiplex::switchTo(int n) { CCASSERT( n < _layers.size(), "Invalid index in MultiplexLayer switchTo message" ); this->removeChild(_layers.at(_enabledLayer), true); _enabledLayer = n; this->addChild(_layers.at(n)); } void LayerMultiplex::switchToAndReleaseMe(int n) { CCASSERT( n < _layers.size(), "Invalid index in MultiplexLayer switchTo message" ); this->removeChild(_layers.at(_enabledLayer), true); #if CC_ENABLE_GC_FOR_NATIVE_OBJECTS ScriptEngineManager::getInstance()->getScriptEngine()->releaseScriptObject(this, _layers.at(_enabledLayer)); #endif // CC_ENABLE_GC_FOR_NATIVE_OBJECTS _layers.replace(_enabledLayer, nullptr); _enabledLayer = n; this->addChild(_layers.at(n)); } std::string LayerMultiplex::getDescription() const { return StringUtils::format("(_children.size())); } NS_CC_END