text: /******************************************************************************
   * Spine Runtimes License Agreement
   * Last updated May 1, 2019. Replaces all prior versions.
   *
   * Copyright (c) 2013-2019, Esoteric Software LLC
   *
   * Integration of the Spine Runtimes into software or otherwise creating
   * derivative works of the Spine Runtimes is permitted under the terms and
   * conditions of Section 2 of the Spine Editor License Agreement:
   * http://esotericsoftware.com/spine-editor-license
   *
   * Otherwise, it is permitted to integrate the Spine Runtimes into software
   * or otherwise create derivative works of the Spine Runtimes (collectively,
   * "Products"), provided that each user of the Products must obtain their own
   * Spine Editor license and redistribution of the Products in any form must
   * include this license and copyright notice.
   *
   * THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY EXPRESS
   * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
   * NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
   * INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
   * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *****************************************************************************/
  
  #include "SkeletonDataMgr.h"
  #include <algorithm>
  #include <vector>
  
  using namespace spine;
  
  class SkeletonDataInfo;
  static std::map<std::string, SkeletonDataInfo*> _dataMap;
  
  class SkeletonDataInfo : public cocos2d::Ref {
  public:
      SkeletonDataInfo (const std::string& uuid) {
          _uuid = uuid;
      }
      
      ~SkeletonDataInfo () {
          if (data) {
              delete data;
              data = nullptr;
          }
          
          if (atlas) {
              delete atlas;
              atlas = nullptr;
          }
          
          if (attachmentLoader) {
              delete attachmentLoader;
              attachmentLoader = nullptr;
          }
      }
      
      SkeletonData* data = nullptr;
      Atlas* atlas = nullptr;
      AttachmentLoader* attachmentLoader = nullptr;
      std::vector<int> texturesIndex;
      std::string _uuid;
  };
  
  SkeletonDataMgr* SkeletonDataMgr::_instance = nullptr;
  
  bool SkeletonDataMgr::hasSkeletonData (const std::string& uuid) {
      auto it = _dataMap.find(uuid);
      return it != _dataMap.end();
  }
  
  void SkeletonDataMgr::setSkeletonData (const std::string& uuid, SkeletonData* data, Atlas* atlas, AttachmentLoader* attachmentLoader, const std::vector<int>& texturesIndex) {
      auto it = _dataMap.find(uuid);
      if (it != _dataMap.end()) {
          releaseByUUID(uuid);
      }
      SkeletonDataInfo* info = new SkeletonDataInfo(uuid);
      info->data = data;
      info->atlas = atlas;
      info->attachmentLoader = attachmentLoader;
      info->texturesIndex = texturesIndex;
      _dataMap[uuid] = info;
  }
  
  SkeletonData* SkeletonDataMgr::retainByUUID (const std::string& uuid) {
      auto dataIt = _dataMap.find(uuid);
      if (dataIt == _dataMap.end()) {
          return nullptr;
      }
      dataIt->second->retain();
      return dataIt->second->data;
  }
  
  void SkeletonDataMgr::releaseByUUID (const std::string& uuid) {
      auto dataIt = _dataMap.find(uuid);
      if (dataIt == _dataMap.end()) {
          return;
      }
      SkeletonDataInfo* info = dataIt->second;
      // If info reference count is 1, then info will be destroy.
      if (info->getReferenceCount() == 1) {
          _dataMap.erase(dataIt);
          if (_destroyCallback) {
              auto& texturesIndex = info->texturesIndex;
              for (auto it = texturesIndex.begin(); it != texturesIndex.end(); it++) {
                  _destroyCallback(*it);
              }
          }
      }
      info->release();
  }
  