axmol/extensions/cocostudio/ActionTimeline/CCActionTimeline.cpp

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2019-2020 simdsoft, @HALX99

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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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THE SOFTWARE.
****************************************************************************/

#include "cocostudio/ActionTimeline/CCActionTimeline.h"

#include "cocostudio/CCComExtensionData.h"

USING_NS_CC;

NS_TIMELINE_BEGIN

// ActionTimeline
ActionTimeline* ActionTimeline::create()
{
    ActionTimeline* object = new (std::nothrow) ActionTimeline();
    if (object && object->init())
    {
        object->autorelease();
        return object;
    }
    CC_SAFE_DELETE(object);
    return nullptr;
}

ActionTimeline::ActionTimeline()
    : _duration(0)
    , _time(0)
    , _timeSpeed(1)
    , _frameInternal(1/60.0f)
    , _playing(false)
    , _currentFrame(0)
    , _startFrame(0)
    , _endFrame(0)
    , _loop(false)
    , _frameEventListener(nullptr)
    , _lastFrameListener(nullptr)
{
}

ActionTimeline::~ActionTimeline()
{
}

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

void ActionTimeline::play(std::string name, bool loop)
{
    if (_animationInfos.find(name) == _animationInfos.end())
    {
        CCLOG("Can't find animation info for %s", name.c_str());
        return;
    }

    AnimationInfo& index = _animationInfos[name];
    gotoFrameAndPlay(index.startIndex, index.endIndex, loop);
}

void ActionTimeline::gotoFrameAndPlay(int startIndex)
{
    gotoFrameAndPlay(startIndex, true);
}

void ActionTimeline::gotoFrameAndPlay(int startIndex, bool loop)
{
    gotoFrameAndPlay(startIndex, _duration, loop);
}

void ActionTimeline::gotoFrameAndPlay(int startIndex, int endIndex, bool loop)
{
    gotoFrameAndPlay(startIndex, endIndex, startIndex, loop);
}

void ActionTimeline::gotoFrameAndPlay(int startIndex, int endIndex, int currentFrameIndex, bool loop)
{
    _startFrame = startIndex;
    _endFrame = endIndex;
    _currentFrame = currentFrameIndex;
    _loop = loop;
    _time = _currentFrame*_frameInternal;

    resume();
    gotoFrame(_currentFrame);
}

void ActionTimeline::gotoFrameAndPause(int startIndex)
{
    _startFrame = _currentFrame = startIndex;
    _time       = _currentFrame * _frameInternal;

    pause();
    gotoFrame(_currentFrame);
}

void ActionTimeline::pause()
{
    _playing = false;
}

void ActionTimeline::resume()
{
    _playing = true;
}

bool ActionTimeline::isPlaying() const
{
    return _playing;
}

void ActionTimeline::setCurrentFrame(int frameIndex)
{
    if (frameIndex >= _startFrame && frameIndex <= _endFrame)
    {
        _currentFrame = frameIndex;
        _time = _currentFrame*_frameInternal;
    }
    else
    {
        CCLOG("frame index is not between start frame and end frame");
    }
}

ActionTimeline* ActionTimeline::clone() const
{
    ActionTimeline* newAction = ActionTimeline::create();
    newAction->_duration = _duration;
    newAction->_timeSpeed = _timeSpeed;

    for (const auto& timelines : _timelineMap)
    {
        for(auto timeline : timelines.second)
        {      
            Timeline* newTimeline = timeline->clone();
            newAction->addTimeline(newTimeline);
        }
    }
    
    for(const auto& info : _animationInfos)
    {
        newAction->addAnimationInfo(info.second);
    }
    return newAction;
}

void ActionTimeline::step(float delta)
{
    if (!_playing || _timelineMap.size() == 0 || _duration == 0)
    {
        return;
    }
    _time += delta * _timeSpeed;
    float deltaCurrFrameTime = std::abs(_time - _currentFrame * _frameInternal);
    if (deltaCurrFrameTime < _frameInternal)
        return;

    const float endtoffset = _time - _endFrame * _frameInternal;
    if (endtoffset < _frameInternal)
    {
        _currentFrame = (int)(_time / _frameInternal);
        stepToFrame(_currentFrame);
        emitFrameEndCallFuncs(_currentFrame);
        if (endtoffset >= 0 && _lastFrameListener != nullptr) // last frame 
            _lastFrameListener();
    }
    else
    {
        _playing = _loop;
        if (!_playing)
        {
            _time = _endFrame * _frameInternal;
            if (_currentFrame != _endFrame)
            {
                _currentFrame = _endFrame;
                stepToFrame(_currentFrame);
                emitFrameEndCallFuncs(_currentFrame);
                if (_lastFrameListener != nullptr)  // last frame 
                    _lastFrameListener();
            }
        }
        else
            gotoFrameAndPlay(_startFrame, _endFrame, _loop);
    }
}

typedef std::function<void(Node*)> tCallBack;
void foreachNodeDescendant(Node* parent, tCallBack callback)
{
    callback(parent);

    auto& children = parent->getChildren();
    for (auto child : children)
    {
        foreachNodeDescendant(child, callback);
    }
}

void ActionTimeline::startWithTarget(Node *target)
{
    Action::startWithTarget(target);
    this->setTag(target->getTag());

    foreachNodeDescendant(target, 
        [this](Node* child)
    {
        ComExtensionData* data = dynamic_cast<ComExtensionData*>(child->getComponent("ComExtensionData"));

        if(data)
        {
            int actionTag = data->getActionTag();
            if(_timelineMap.find(actionTag) != _timelineMap.end())
            {
                auto timelines = this->_timelineMap[actionTag];
                for (auto timeline : timelines)
                {
                    timeline->setNode(child);
                }
            }
        }
    });
}

void ActionTimeline::addTimeline(Timeline* timeline)
{
    int tag = timeline->getActionTag();
    if (_timelineMap.find(tag) == _timelineMap.end())
    {
        _timelineMap[tag] = Vector<Timeline*>();
    }

    if (!_timelineMap[tag].contains(timeline))
    {
        _timelineList.pushBack(timeline);
        _timelineMap[tag].pushBack(timeline);
        timeline->setActionTimeline(this);
    }
}

void ActionTimeline::removeTimeline(Timeline* timeline)
{
    int tag = timeline->getActionTag();
    if (_timelineMap.find(tag) != _timelineMap.end())
    {
        if(_timelineMap[tag].contains(timeline))
        {
            _timelineMap[tag].eraseObject(timeline);
            _timelineList.eraseObject(timeline);
            timeline->setActionTimeline(nullptr);
        }
    }
}


void ActionTimeline::addAnimationInfo(const AnimationInfo& animationInfo)
{
    if (_animationInfos.find(animationInfo.name) != _animationInfos.end())
    {
        CCLOG("Animation (%s) already exists.", animationInfo.name.c_str());
        return;
    }

    _animationInfos[animationInfo.name] = animationInfo;
    addFrameEndCallFunc(animationInfo.endIndex, animationInfo.name, animationInfo.clipEndCallBack);
}

void ActionTimeline::removeAnimationInfo(std::string animationName)
{
    auto clipIter = _animationInfos.find(animationName);
    if (clipIter == _animationInfos.end())
    {
        CCLOG("AnimationInfo (%s) not exists.", animationName.c_str());
        return;
    }

    removeFrameEndCallFunc((*clipIter).second.endIndex, animationName);
    _animationInfos.erase(animationName);
}

bool ActionTimeline::IsAnimationInfoExists(const std::string& animationName)
{
    return _animationInfos.find(animationName) != _animationInfos.end();
}

const AnimationInfo& ActionTimeline::getAnimationInfo(const std::string &animationName)
{
    return _animationInfos.find(animationName)->second;
}

void ActionTimeline::setAnimationEndCallFunc(const std::string animationName, std::function<void()> func)
{
    auto clipIter = _animationInfos.find(animationName);
    if (clipIter == _animationInfos.end())
    {
        CCLOG("AnimationInfo (%s) not exists.", animationName.c_str());
        return;
    }
    clipIter->second.clipEndCallBack = func;
    addFrameEndCallFunc(clipIter->second.endIndex, animationName, func);
}

void ActionTimeline::setFrameEventCallFunc(std::function<void(Frame *)> listener)
{
    _frameEventListener = listener;
}

void ActionTimeline::clearFrameEventCallFunc()
{
    _frameEventListener = nullptr;
}

void ActionTimeline::setLastFrameCallFunc(std::function<void()> listener)
{
    _lastFrameListener = listener;
}

void ActionTimeline::clearLastFrameCallFunc()
{
    _lastFrameListener = nullptr;
}

void ActionTimeline::emitFrameEvent(Frame* frame)
{
    if(_frameEventListener)
    {
        _frameEventListener(frame);
    }
}

void ActionTimeline::addFrameEndCallFunc(int frameIndex, const std::string& funcKey, std::function<void()> func)
{
    if (func != nullptr)
    {
        _frameEndCallFuncs[frameIndex][funcKey] = func;
    }
}

void ActionTimeline::removeFrameEndCallFunc(int frameIndex, const std::string& funcKey)
{
    auto endClipCallsIter = _frameEndCallFuncs.find(frameIndex);
    if (endClipCallsIter != _frameEndCallFuncs.end())
    {
        auto funcIter = (*endClipCallsIter).second.find(funcKey);
        if (funcIter != (*endClipCallsIter).second.end())
            (*endClipCallsIter).second.erase(funcKey);
        if ((*endClipCallsIter).second.empty())
            _frameEndCallFuncs.erase(endClipCallsIter);
    }
}

void ActionTimeline::removeFrameEndCallFuncs(int frameIndex)
{
    auto endClipCallsIter = _frameEndCallFuncs.find(frameIndex);
    if (endClipCallsIter != _frameEndCallFuncs.end())
    {
        _frameEndCallFuncs.erase(endClipCallsIter);
    }
}

void ActionTimeline::clearFrameEndCallFuncs()
{
    _frameEndCallFuncs.clear();
}

void ActionTimeline::emitFrameEndCallFuncs(int frameIndex)
{
    auto clipEndCallsIter = _frameEndCallFuncs.find(frameIndex);
    if (clipEndCallsIter != _frameEndCallFuncs.end())
    {
        auto clipEndCalls = (*clipEndCallsIter).second;
        for (const auto& call : clipEndCalls)
            (call).second();
    }
}

void ActionTimeline::gotoFrame(int frameIndex)
{
    if(_target == nullptr)
        return;

    ssize_t size = _timelineList.size();
    for(ssize_t i = 0; i < size; i++)
    {      
        _timelineList.at(i)->gotoFrame(frameIndex);
    }
}

void ActionTimeline::stepToFrame(int frameIndex)
{
    ssize_t size = _timelineList.size();
    for(ssize_t i = 0; i < size; i++)
    {      
        _timelineList.at(i)->stepToFrame(frameIndex);
    }
}

void ActionTimeline::start()
{
    gotoFrameAndPlay(0);
}

void ActionTimeline::stop()
{
    pause();
}
NS_TIMELINE_END