axmol/cocos/2d/CCAnimationCache.cpp

/****************************************************************************
Copyright (c) 2008-2010 Ricardo Quesada
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2011      Zynga Inc.
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

http://www.cocos2d-x.org

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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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****************************************************************************/
#include "2d/CCAnimationCache.h"
#include "2d/CCSpriteFrameCache.h"
#include "platform/CCFileUtils.h"

using namespace std;

NS_CC_BEGIN

AnimationCache* AnimationCache::s_sharedAnimationCache = nullptr;

AnimationCache* AnimationCache::getInstance()
{
    if (! s_sharedAnimationCache)
    {
        s_sharedAnimationCache = new (std::nothrow) AnimationCache();
        s_sharedAnimationCache->init();
    }

    return s_sharedAnimationCache;
}

void AnimationCache::destroyInstance()
{
    CC_SAFE_RELEASE_NULL(s_sharedAnimationCache);
}

bool AnimationCache::init()
{
    return true;
}

AnimationCache::AnimationCache()
{
}

AnimationCache::~AnimationCache()
{
    CCLOGINFO("deallocing AnimationCache: %p", this);
}

void AnimationCache::addAnimation(Animation *animation, const std::string& name)
{
    _animations.insert(name, animation);
}

void AnimationCache::removeAnimation(const std::string& name)
{
    if (name.empty())
        return;

    _animations.erase(name);
}

Animation* AnimationCache::getAnimation(const std::string& name)
{
    return _animations.at(name);
}

void AnimationCache::parseVersion1(const ValueMap& animations)
{
    SpriteFrameCache *frameCache = SpriteFrameCache::getInstance();

    for (const auto& anim : animations)
    {
        const ValueMap& animationDict = anim.second.asValueMap();
        const ValueVector& frameNames = animationDict.at("frames").asValueVector();
        float delay = animationDict.at("delay").toFloat();
        Animation* animation = nullptr;

        if ( frameNames.empty() )
        {
            CCLOG("cocos2d: AnimationCache: Animation '%s' found in dictionary without any frames - cannot add to animation cache.", anim.first.c_str());
            continue;
        }

        ssize_t frameNameSize = frameNames.size();
        Vector<AnimationFrame*> frames(frameNameSize);

        for (auto& frameName : frameNames)
        {
            SpriteFrame* spriteFrame = frameCache->getSpriteFrameByName(frameName.asString());

            if ( ! spriteFrame ) {
                CCLOG("cocos2d: AnimationCache: Animation '%s' refers to frame '%s' which is not currently in the SpriteFrameCache. This frame will not be added to the animation.", anim.first.c_str(), frameName.asString().c_str());

                continue;
            }

            AnimationFrame* animFrame = AnimationFrame::create(spriteFrame, 1, ValueMap());
            frames.pushBack(animFrame);
        }

        if ( frames.empty() )
        {
            CCLOG("cocos2d: AnimationCache: None of the frames for animation '%s' were found in the SpriteFrameCache. Animation is not being added to the Animation Cache.", anim.first.c_str());
            continue;
        }
        else if ( frames.size() != frameNameSize )
        {
            CCLOG("cocos2d: AnimationCache: An animation in your dictionary refers to a frame which is not in the SpriteFrameCache. Some or all of the frames for the animation '%s' may be missing.", anim.first.c_str());
        }

        animation = Animation::create(frames, delay, 1);

        AnimationCache::getInstance()->addAnimation(animation, anim.first);
    }
}

void AnimationCache::parseVersion2(const ValueMap& animations)
{
    SpriteFrameCache *frameCache = SpriteFrameCache::getInstance();

    for (const auto& anim : animations)
    {
        std::string name = anim.first;
        ValueMap& animationDict = const_cast<ValueMap&>(anim.second.asValueMap());

        const Value& loops = animationDict["loops"];
        bool restoreOriginalFrame = animationDict["restoreOriginalFrame"].toBool();

        ValueVector& frameArray = animationDict["frames"].asValueVector();

        if ( frameArray.empty() )
        {
            CCLOG("cocos2d: AnimationCache: Animation '%s' found in dictionary without any frames - cannot add to animation cache.", name.c_str());
            continue;
        }

        // Array of AnimationFrames
        Vector<AnimationFrame*> array(static_cast<int>(frameArray.size()));

        for (auto& obj : frameArray)
        {
            ValueMap& entry = obj.asValueMap();
            std::string spriteFrameName = entry["spriteframe"].asString();
            SpriteFrame *spriteFrame = frameCache->getSpriteFrameByName(spriteFrameName);

            if( ! spriteFrame ) {
                CCLOG("cocos2d: AnimationCache: Animation '%s' refers to frame '%s' which is not currently in the SpriteFrameCache. This frame will not be added to the animation.", name.c_str(), spriteFrameName.c_str());

                continue;
            }

            float delayUnits = entry["delayUnits"].toFloat();
            Value& userInfo = entry["notification"];

            AnimationFrame *animFrame = AnimationFrame::create(spriteFrame, delayUnits, userInfo.getType() == Value::Type::MAP ? userInfo.asValueMap() : ValueMapNull);

            array.pushBack(animFrame);
        }

        float delayPerUnit = animationDict["delayPerUnit"].toFloat();
        Animation *animation = Animation::create(array, delayPerUnit, loops.getType() != Value::Type::NONE ? loops.toInt() : 1);

        animation->setRestoreOriginalFrame(restoreOriginalFrame);

        AnimationCache::getInstance()->addAnimation(animation, name);
    }
}

void AnimationCache::addAnimationsWithDictionary(const ValueMap& dictionary,const std::string& plist)
{
    auto anisItr = dictionary.find("animations");
    if (anisItr == dictionary.end() )
    {
        CCLOG("cocos2d: AnimationCache: No animations were found in provided dictionary.");
        return;
    }
    
    const Value& animations = anisItr->second;
    unsigned int version = 1;

    auto propsItr = dictionary.find("properties");
    if(propsItr != dictionary.end() )
    {
        const ValueMap& properties = propsItr->second.asValueMap();
        version = properties.at("format").toInt();
        const ValueVector& spritesheets = properties.at("spritesheets").asValueVector();

        for(const auto &value : spritesheets) {
            std::string path = FileUtils::getInstance()->fullPathFromRelativeFile(value.asString(),plist);
            SpriteFrameCache::getInstance()->addSpriteFramesWithFile(path);
        }
    }

    switch (version) {
        case 1:
            parseVersion1(animations.asValueMap());
            break;
        case 2:
            parseVersion2(animations.asValueMap());
            break;
        default:
            CCASSERT(false, "Invalid animation format");
    }
}

/** Read an NSDictionary from a plist file and parse it automatically for animations */
void AnimationCache::addAnimationsWithFile(const std::string& plist)
{
    CCASSERT(!plist.empty(), "Invalid texture file name");
    if (plist.empty()) {
        log("%s error:file name is empty!", __FUNCTION__);
        return;
    }
    
    ValueMap dict = FileUtils::getInstance()->getValueMapFromFile(plist);

    CCASSERT( !dict.empty(), "CCAnimationCache: File could not be found");
    if (dict.empty()) {
        log("AnimationCache::addAnimationsWithFile error:%s not exist!", plist.c_str());
    }

    addAnimationsWithDictionary(dict,plist);
}


NS_CC_END