RedCore/cocos2d/cocos/3d/CCAnimation3D.cpp

/****************************************************************************
 Copyright (c) 2014-2017 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
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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 THE SOFTWARE.
 ****************************************************************************/

#include "3d/CCAnimation3D.h"
#include "3d/CCBundle3D.h"
#include "platform/CCFileUtils.h"

NS_CC_BEGIN

Animation3D* Animation3D::create(const std::string& fileName, const std::string& animationName)
{
    std::string fullPath = FileUtils::getInstance()->fullPathForFilename(fileName);
    std::string key = fullPath + "#" + animationName;
    auto animation = Animation3DCache::getInstance()->getAnimation(key);
    if (animation != nullptr)
        return animation;
    
    animation = new (std::nothrow) Animation3D();
    if(animation->initWithFile(fileName, animationName))
    {
        animation->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(animation);
    }
    
    return animation;
}

bool Animation3D::initWithFile(const std::string& filename, const std::string& animationName)
{
    std::string fullPath = FileUtils::getInstance()->fullPathForFilename(filename);
    
    //load animation here
    auto bundle = Bundle3D::createBundle();
    Animation3DData animationdata;
    if (bundle->load(fullPath) && bundle->loadAnimationData(animationName, &animationdata) && init(animationdata))
    {
        std::string key = fullPath + "#" + animationName;
        Animation3DCache::getInstance()->addAnimation(key, this);
        Bundle3D::destroyBundle(bundle);
        return true;
    }
    
    Bundle3D::destroyBundle(bundle);
    
    return false;
}

Animation3D::Curve* Animation3D::getBoneCurveByName(const std::string& name) const
{
    auto it = _boneCurves.find(name);
    if (it != _boneCurves.end())
        return it->second;
    
    return nullptr;
}

Animation3D::Animation3D()
: _duration(0)
{
    
}

Animation3D::~Animation3D()
{
    for (auto itor : _boneCurves) {
        CC_SAFE_DELETE(itor.second);
    }
}

Animation3D::Curve::Curve()
: translateCurve(nullptr)
, rotCurve(nullptr)
, scaleCurve(nullptr)
{
    
}
Animation3D::Curve::~Curve()
{
    CC_SAFE_RELEASE_NULL(translateCurve);
    CC_SAFE_RELEASE_NULL(rotCurve);
    CC_SAFE_RELEASE_NULL(scaleCurve);
}

bool Animation3D::init(const Animation3DData &data)
{
    _duration = data._totalTime;

    for(const auto& iter : data._translationKeys)
    {
        Curve* curve = _boneCurves[iter.first];
        if( curve == nullptr)
        {
            curve = new (std::nothrow) Curve();
            _boneCurves[iter.first] = curve;
        }
        
        if(iter.second.size() == 0) continue;
        std::vector<float> keys;
        std::vector<float> values;
        for(const auto& keyIter : iter.second)
        {
            keys.push_back(keyIter._time);
            values.push_back(keyIter._key.x);
            values.push_back(keyIter._key.y);
            values.push_back(keyIter._key.z);
        }
        
        curve->translateCurve = Curve::AnimationCurveVec3::create(&keys[0], &values[0], (int)keys.size());
        if(curve->translateCurve) curve->translateCurve->retain();
    }
    
    for(const auto& iter : data._rotationKeys)
    {
        Curve* curve = _boneCurves[iter.first];
        if( curve == nullptr)
        {
            curve = new (std::nothrow) Curve();
            _boneCurves[iter.first] = curve;
        }
        
        if(iter.second.size() == 0) continue;
        std::vector<float> keys;
        std::vector<float> values;
        for(const auto& keyIter : iter.second)
        {
            keys.push_back(keyIter._time);
            values.push_back(keyIter._key.x);
            values.push_back(keyIter._key.y);
            values.push_back(keyIter._key.z);
            values.push_back(keyIter._key.w);
        }
        
        curve->rotCurve = Curve::AnimationCurveQuat::create(&keys[0], &values[0], (int)keys.size());
        if(curve->rotCurve) curve->rotCurve->retain();
    }
    
    for(const auto& iter : data._scaleKeys)
    {
        Curve* curve = _boneCurves[iter.first];
        if( curve == nullptr)
        {
            curve = new (std::nothrow) Curve();
            _boneCurves[iter.first] = curve;
        }
        
        if(iter.second.size() == 0) continue;
        std::vector<float> keys;
        std::vector<float> values;
        for(const auto& keyIter : iter.second)
        {
            keys.push_back(keyIter._time);
            values.push_back(keyIter._key.x);
            values.push_back(keyIter._key.y);
            values.push_back(keyIter._key.z);
        }
        
        curve->scaleCurve = Curve::AnimationCurveVec3::create(&keys[0], &values[0], (int)keys.size());
        if(curve->scaleCurve) curve->scaleCurve->retain();
    }
    
    return true;
}

////////////////////////////////////////////////////////////////
Animation3DCache* Animation3DCache::_cacheInstance = nullptr;

Animation3DCache* Animation3DCache::getInstance()
{
    if (_cacheInstance == nullptr)
        _cacheInstance = new (std::nothrow) Animation3DCache();
    
    return _cacheInstance;
}
void Animation3DCache::destroyInstance()
{
    CC_SAFE_DELETE(_cacheInstance);
}

Animation3D* Animation3DCache::getAnimation(const std::string& key)
{
    auto it = _animations.find(key);
    if (it != _animations.end())
        return it->second;
    return nullptr;
}

void Animation3DCache::addAnimation(const std::string& key, Animation3D* animation)
{
    const auto& it = _animations.find(key);
    if (it != _animations.end())
    {
        return; // already have this key
    }
    _animations[key] = animation;
    animation->retain();
}

void Animation3DCache::removeAllAnimations()
{
    for (auto itor : _animations) {
        CC_SAFE_RELEASE(itor.second);
    }
    _animations.clear();
}
void Animation3DCache::removeUnusedAnimation()
{
    for (auto itor = _animations.begin(); itor != _animations.end(); ) {
        if (itor->second->getReferenceCount() == 1)
        {
            itor->second->release();
            itor = _animations.erase(itor);
        }
        else
            ++itor;
    }
}

Animation3DCache::Animation3DCache()
{
    
}
Animation3DCache::~Animation3DCache()
{
    removeAllAnimations();
}

NS_CC_END