axmol/core/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.

https://axis-project.github.io/

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all copies or substantial portions of the Software.

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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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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
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****************************************************************************/
#include "2d/CCAnimationCache.h"
#include "2d/CCSpriteFrameCache.h"
#include "platform/CCFileUtils.h"

using namespace std;

NS_AX_BEGIN

AnimationCache* AnimationCache::s_sharedAnimationCache = nullptr;

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

    return s_sharedAnimationCache;
}

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

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

AnimationCache::AnimationCache() {}

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

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

void AnimationCache::removeAnimation(std::string_view name)
{
    if (name.empty())
        return;

    _animations.erase(name);
}

Animation* AnimationCache::getAnimation(std::string_view 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").asFloat();
        Animation* animation          = nullptr;

        if (frameNames.empty())
        {
            AXLOG(
                "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)
            {
                AXLOG(
                    "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())
        {
            AXLOG(
                "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)
        {
            AXLOG(
                "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"].asBool();

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

        if (frameArray.empty())
        {
            AXLOG(
                "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)
            {
                AXLOG(
                    "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"].asFloat();
            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"].asFloat();
        Animation* animation =
            Animation::create(array, delayPerUnit, loops.getType() != Value::Type::NONE ? loops.asInt() : 1);

        animation->setRestoreOriginalFrame(restoreOriginalFrame);

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

void AnimationCache::addAnimationsWithDictionary(const ValueMap& dictionary, std::string_view plist)
{
    auto anisItr = dictionary.find("animations");
    if (anisItr == dictionary.end())
    {
        AXLOG("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").asInt();
        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:
        AXASSERT(false, "Invalid animation format");
    }
}

/** Read an NSDictionary from a plist file and parse it automatically for animations */
void AnimationCache::addAnimationsWithFile(std::string_view plist)
{
    AXASSERT(!plist.empty(), "Invalid texture file name");
    if (plist.empty())
    {
        log("%s error:file name is empty!", __FUNCTION__);
        return;
    }

    ValueMap dict = FileUtils::getInstance()->getValueMapFromFile(plist);

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

    addAnimationsWithDictionary(dict, plist);
}

NS_AX_END