mirror of https://github.com/axmolengine/axmol.git
584 lines
18 KiB
C++
584 lines
18 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include <libxml/parser.h>
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#include <libxml/tree.h>
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#include <libxml/xmlmemory.h>
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#include "CCTMXXMLParser.h"
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#include "CCTMXTiledMap.h"
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#include "ccMacros.h"
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#include "CCXFileUtils.h"
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#include "CGPointExtension.h"
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#include "support/base64.h"
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#include "platform/platform.h"
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namespace cocos2d {
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void tmx_startElement(void *ctx, const xmlChar *name, const xmlChar **atts);
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void tmx_endElement(void *ctx, const xmlChar *name);
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void tmx_characters(void *ctx, const xmlChar *ch, int len);
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// implementation CCTMXLayerInfo
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CCTMXLayerInfo::CCTMXLayerInfo()
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:m_bOwnTiles(true)
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,m_uMinGID(100000)
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,m_uMaxGID(0)
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,m_sName("")
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,m_pTiles(NULL)
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,m_tOffset(CGPointZero)
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{
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m_pProperties= new StringToStringDictionary();;
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}
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CCTMXLayerInfo::~CCTMXLayerInfo()
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{
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CCLOGINFO("cocos2d: deallocing.");
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if (m_pProperties)
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{
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m_pProperties->clear();
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delete m_pProperties;
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m_pProperties = NULL;
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}
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if( m_bOwnTiles && m_pTiles )
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{
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delete [] m_pTiles;
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m_pTiles = NULL;
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}
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}
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// implementation CCTMXTilesetInfo
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CCTMXTilesetInfo::CCTMXTilesetInfo()
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:m_uFirstGid(0)
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,m_tTileSize(CGSizeZero)
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,m_uSpacing(0)
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,m_uMargin(0)
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,m_tImageSize(CGSizeZero)
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{
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}
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CCTMXTilesetInfo::~CCTMXTilesetInfo()
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{
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CCLOGINFO("cocos2d: deallocing.");
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}
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CGRect CCTMXTilesetInfo::rectForGID(unsigned int gid)
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{
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CGRect rect;
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rect.size = m_tTileSize;
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gid = gid - m_uFirstGid;
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int max_x = (int)((m_tImageSize.width - m_uMargin*2 + m_uSpacing) / (m_tTileSize.width + m_uSpacing));
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// int max_y = (imageSize.height - margin*2 + spacing) / (tileSize.height + spacing);
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rect.origin.x = (gid % max_x) * (m_tTileSize.width + m_uSpacing) + m_uMargin;
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rect.origin.y = (gid / max_x) * (m_tTileSize.height + m_uSpacing) + m_uMargin;
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return rect;
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}
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// implementation CCTMXMapInfo
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CCTMXMapInfo * CCTMXMapInfo::formatWithTMXFile(const char *tmxFile)
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{
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CCTMXMapInfo *pRet = new CCTMXMapInfo();
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if(pRet->initWithTMXFile(tmxFile))
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{
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pRet->autorelease();
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return pRet;
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}
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CCX_SAFE_DELETE(pRet);
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return NULL;
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}
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bool CCTMXMapInfo::initWithTMXFile(const char *tmxFile)
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{
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m_pTilesets = new NSMutableArray<CCTMXTilesetInfo*>();
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m_pLayers = new NSMutableArray<CCTMXLayerInfo*>();
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m_sFilename = CCFileUtils::fullPathFromRelativePath(tmxFile);
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m_pObjectGroups = new NSMutableArray<CCTMXObjectGroup*>();
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m_pProperties = new StringToStringDictionary();
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m_pTileProperties = new std::map<int, StringToStringDictionary*>();
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// tmp vars
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m_sCurrentString = "";
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m_bStoringCharacters = false;
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m_nLayerAttribs = TMXLayerAttribNone;
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m_nParentElement = TMXPropertyNone;
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return parseXMLFile(m_sFilename.c_str());
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}
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CCTMXMapInfo::CCTMXMapInfo()
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:m_bStoringCharacters(false)
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,m_nLayerAttribs(0)
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,m_tMapSize(CGSizeZero)
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,m_tTileSize(CGSizeZero)
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,m_pLayers(NULL)
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,m_pTilesets(NULL)
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{
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}
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CCTMXMapInfo::~CCTMXMapInfo()
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{
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CCLOGINFO("cocos2d: deallocing.");
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m_pTilesets->release();
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m_pLayers->release();
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m_pObjectGroups->release();
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if (m_pProperties)
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{
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m_pProperties->clear();
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delete m_pProperties;
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m_pProperties = NULL;
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}
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if (m_pTileProperties)
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{
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std::map<int, StringToStringDictionary*>::iterator it;
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for (it = m_pTileProperties->begin(); it != m_pTileProperties->end(); ++it)
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{
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if (it->second)
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{
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it->second->clear();
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delete it->second;
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}
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}
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m_pTileProperties->clear();
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delete m_pTileProperties;
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m_pTileProperties = NULL;
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}
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}
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NSMutableArray<CCTMXLayerInfo*> * CCTMXMapInfo::getLayers()
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{
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return m_pLayers;
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}
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void CCTMXMapInfo::setLayers(NSMutableArray<CCTMXLayerInfo*>* var)
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{
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CCX_SAFE_RELEASE(m_pLayers);
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m_pLayers = var;
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CCX_SAFE_RETAIN(m_pLayers);
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}
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NSMutableArray<CCTMXTilesetInfo*> * CCTMXMapInfo::getTilesets()
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{
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return m_pTilesets;
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}
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void CCTMXMapInfo::setTilesets(NSMutableArray<CCTMXTilesetInfo*>* var)
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{
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CCX_SAFE_RELEASE(m_pTilesets);
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m_pTilesets = var;
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CCX_SAFE_RETAIN(m_pTilesets);
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}
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NSMutableArray<CCTMXObjectGroup*> * CCTMXMapInfo::getObjectGroups()
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{
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return m_pObjectGroups;
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}
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void CCTMXMapInfo::setObjectGroups(NSMutableArray<CCTMXObjectGroup*>* var)
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{
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CCX_SAFE_RELEASE(m_pObjectGroups);
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m_pObjectGroups = var;
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CCX_SAFE_RETAIN(m_pObjectGroups);
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}
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bool CCTMXMapInfo::parseXMLFile(const char *xmlFilename)
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{
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FILE *fp = NULL;
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if( !(fp = fopen(xmlFilename, "r")) )
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{
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return NULL;
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}
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fseek(fp,0,SEEK_END);
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int size = ftell(fp);
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fseek(fp,0,SEEK_SET);
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char *buffer = new char[size+1];
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fread(buffer,sizeof(char),size,fp);
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fclose(fp);
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/*
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* this initialize the library and check potential ABI mismatches
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* between the version it was compiled for and the actual shared
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* library used.
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*/
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LIBXML_TEST_VERSION
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xmlSAXHandler saxHandler;
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memset( &saxHandler, 0, sizeof(saxHandler) );
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// Using xmlSAXVersion( &saxHandler, 2 ) generate crash as it sets plenty of other pointers...
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saxHandler.initialized = XML_SAX2_MAGIC; // so we do this to force parsing as SAX2.
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saxHandler.startElement = &tmx_startElement;
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saxHandler.endElement = &tmx_endElement;
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saxHandler.characters = &tmx_characters;
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int result = xmlSAXUserParseMemory( &saxHandler, this, buffer, size );
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if ( result != 0 )
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{
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return false;
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}
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/*
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* Cleanup function for the XML library.
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*/
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xmlCleanupParser();
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/*
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* this is to debug memory for regression tests
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*/
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xmlMemoryDump();
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delete []buffer;
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return true;
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}
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// the XML parser calls here with all the elements
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void tmx_startElement(void *ctx, const xmlChar *name, const xmlChar **atts)
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{
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CCTMXMapInfo *pTMXMapInfo = (CCTMXMapInfo*)(ctx);
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std::string elementName = (char*)name;
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StringToStringDictionary *attributeDict = new StringToStringDictionary();
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if(atts && atts[0])
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{
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for(int i = 0; atts[i]; i += 2)
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{
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std::string key = (char*)atts[i];
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std::string value = (char*)atts[i+1];
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attributeDict->insert(StringToStringPair(key, value));
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}
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}
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if(elementName == "map")
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{
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std::string version = valueForKey("version", attributeDict);
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if ( version != "1.0")
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{
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CCLOG("cocos2d: TMXFormat: Unsupported TMX version: %@", version);
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}
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std::string orientationStr = valueForKey("orientation", attributeDict);
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if( orientationStr == "orthogonal")
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pTMXMapInfo->setOrientation(CCTMXOrientationOrtho);
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else if ( orientationStr == "isometric")
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pTMXMapInfo->setOrientation(CCTMXOrientationIso);
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else if( orientationStr == "hexagonal")
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pTMXMapInfo->setOrientation(CCTMXOrientationHex);
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else
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CCLOG("cocos2d: TMXFomat: Unsupported orientation: %d", pTMXMapInfo->getOrientation());
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CGSize s;
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s.width = (float)atof(valueForKey("width", attributeDict));
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s.height = (float)atof(valueForKey("height", attributeDict));
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pTMXMapInfo->setMapSize(s);
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s.width = (float)atof(valueForKey("tilewidth", attributeDict));
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s.height = (float)atof(valueForKey("tileheight", attributeDict));
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pTMXMapInfo->setTileSize(s);
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// The parent element is now "map"
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pTMXMapInfo->setParentElement(TMXPropertyMap);
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}
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else if(elementName == "tileset")
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{
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// If this is an external tileset then start parsing that
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std::string externalTilesetFilename = valueForKey("source", attributeDict);
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if (externalTilesetFilename != "")
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{
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externalTilesetFilename = CCFileUtils::fullPathFromRelativePath(externalTilesetFilename.c_str());
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pTMXMapInfo->parseXMLFile(externalTilesetFilename.c_str());
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}
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else
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{
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CCTMXTilesetInfo *tileset = new CCTMXTilesetInfo();
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tileset->m_sName = valueForKey("name", attributeDict);
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tileset->m_uFirstGid = (unsigned int)atoi(valueForKey("firstgid", attributeDict));
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tileset->m_uSpacing = (unsigned int)atoi(valueForKey("spacing", attributeDict));
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tileset->m_uMargin = (unsigned int)atoi(valueForKey("margin", attributeDict));
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CGSize s;
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s.width = (float)atof(valueForKey("tilewidth", attributeDict));
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s.height = (float)atof(valueForKey("tileheight", attributeDict));
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tileset->m_tTileSize = s;
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pTMXMapInfo->getTilesets()->addObject(tileset);
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tileset->release();
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}
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}
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else if(elementName == "tile")
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{
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CCTMXTilesetInfo* info = pTMXMapInfo->getTilesets()->getLastObject();
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StringToStringDictionary *dict = new StringToStringDictionary();
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pTMXMapInfo->setParentGID(info->m_uFirstGid + atoi(valueForKey("id", attributeDict)));
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pTMXMapInfo->getTileProperties()->insert(std::pair<int, StringToStringDictionary*>(pTMXMapInfo->getParentGID(), dict));
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pTMXMapInfo->setParentElement(TMXPropertyTile);
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}
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else if(elementName == "layer")
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{
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CCTMXLayerInfo *layer = new CCTMXLayerInfo();
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layer->m_sName = valueForKey("name", attributeDict);
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CGSize s;
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s.width = (float)atof(valueForKey("width", attributeDict));
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s.height = (float)atof(valueForKey("height", attributeDict));
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layer->m_tLayerSize = s;
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std::string visible = valueForKey("visible", attributeDict);
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layer->m_bVisible = !(visible == "0");
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std::string opacity = valueForKey("opacity", attributeDict);
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if( opacity != "" )
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{
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layer->m_cOpacity = (unsigned char)(255 * atof(opacity.c_str()));
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}
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else
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{
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layer->m_cOpacity = 255;
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}
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float x = (float)atof(valueForKey("x", attributeDict));
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float y = (float)atof(valueForKey("y", attributeDict));
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layer->m_tOffset = ccp(x,y);
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pTMXMapInfo->getLayers()->addObject(layer);
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layer->release();
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// The parent element is now "layer"
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pTMXMapInfo->setParentElement(TMXPropertyLayer);
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}
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else if(elementName == "objectgroup")
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{
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CCTMXObjectGroup *objectGroup = new CCTMXObjectGroup();
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objectGroup->setGroupName(valueForKey("name", attributeDict));
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CGPoint positionOffset;
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positionOffset.x = (float)atof(valueForKey("x", attributeDict)) * pTMXMapInfo->getTileSize().width;
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positionOffset.y = (float)atof(valueForKey("y", attributeDict)) * pTMXMapInfo->getTileSize().height;
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objectGroup->setPositionOffset(positionOffset);
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pTMXMapInfo->getObjectGroups()->addObject(objectGroup);
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objectGroup->release();
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// The parent element is now "objectgroup"
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pTMXMapInfo->setParentElement(TMXPropertyObjectGroup);
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}
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else if(elementName == "image")
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{
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CCTMXTilesetInfo *tileset = pTMXMapInfo->getTilesets()->getLastObject();
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// build full path
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std::string imagename = valueForKey("source", attributeDict);
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tileset->m_sSourceImage = CCFileUtils::fullPathFromRelativePath(imagename.c_str());
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}
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else if(elementName == "data")
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{
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std::string encoding = valueForKey("encoding", attributeDict);
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std::string compression = valueForKey("compression", attributeDict);
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if( encoding == "base64" )
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{
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int layerAttribs = pTMXMapInfo->getLayerAttribs();
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pTMXMapInfo->setLayerAttribs(layerAttribs | TMXLayerAttribBase64);
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pTMXMapInfo->setStoringCharacters(true);
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if( compression == "gzip" )
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{
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layerAttribs = pTMXMapInfo->getLayerAttribs();
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pTMXMapInfo->setLayerAttribs(layerAttribs | TMXLayerAttribGzip);
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}
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NSAssert( compression == "" || compression == "gzip", "TMX: unsupported compression method" );
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}
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NSAssert( pTMXMapInfo->getLayerAttribs() != TMXLayerAttribNone, "TMX tile map: Only base64 and/or gzip maps are supported" );
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}
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else if(elementName == "object")
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{
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char buffer[32];
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CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject();
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// The value for "type" was blank or not a valid class name
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// Create an instance of TMXObjectInfo to store the object and its properties
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StringToStringDictionary *dict = new StringToStringDictionary();
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// Set the name of the object to the value for "name"
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std::string key = "name";
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std::string value = valueForKey("name", attributeDict);
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dict->insert(StringToStringPair(key, value));
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// Assign all the attributes as key/name pairs in the properties dictionary
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key = "type";
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value = valueForKey("type", attributeDict);
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dict->insert(StringToStringPair(key, value));
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int x = atoi(valueForKey("x", attributeDict)) + (int)objectGroup->getPositionOffset().x;
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key = "x";
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/*value = itoa(x, buffer, 10);*/
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sprintf(buffer, "%d", x);
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value = buffer;
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dict->insert(StringToStringPair(key, value));
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int y = atoi(valueForKey("y", attributeDict)) + (int)objectGroup->getPositionOffset().y;
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// Correct y position. (Tiled uses Flipped, cocos2d uses Standard)
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y = (int)(pTMXMapInfo->getMapSize().height * pTMXMapInfo->getTileSize().height) - y - atoi(valueForKey("height", attributeDict));
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key = "y";
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/*value = itoa(y, buffer, 10);*/
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sprintf(buffer, "%d", y);
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value = buffer;
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dict->insert(StringToStringPair(key, value));
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key = "width";
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value = valueForKey("width", attributeDict);
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dict->insert(StringToStringPair(key, value));
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key = "height";
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value = valueForKey("height", attributeDict);
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dict->insert(StringToStringPair(key, value));
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// Add the object to the objectGroup
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objectGroup->getObjects()->insert(objectGroup->getObjects()->begin(), dict);
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// The parent element is now "object"
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pTMXMapInfo->setParentElement(TMXPropertyObject);
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}
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else if(elementName == "property")
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{
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if ( pTMXMapInfo->getParentElement() == TMXPropertyNone )
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{
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CCLOG( "TMX tile map: Parent element is unsupported. Cannot add property named '%s' with value '%s'",
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valueForKey("name", attributeDict), valueForKey("value",attributeDict) );
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}
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else if ( pTMXMapInfo->getParentElement() == TMXPropertyMap )
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{
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// The parent element is the map
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std::string value = valueForKey("value", attributeDict);
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std::string key = valueForKey("name", attributeDict);
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pTMXMapInfo->getProperties()->insert(StringToStringPair(key, value));
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}
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else if ( pTMXMapInfo->getParentElement() == TMXPropertyLayer )
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{
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// The parent element is the last layer
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CCTMXLayerInfo *layer = pTMXMapInfo->getLayers()->getLastObject();
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std::string value = valueForKey("value", attributeDict);
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std::string key = valueForKey("name", attributeDict);
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// Add the property to the layer
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layer->m_pProperties->insert(StringToStringPair(key, value));
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}
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else if ( pTMXMapInfo->getParentElement() == TMXPropertyObjectGroup )
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{
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// The parent element is the last object group
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CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject();
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std::string key = valueForKey("name", attributeDict);
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std::string value = valueForKey("value", attributeDict);
|
|
objectGroup->getProperties()->insert(StringToStringPair(key, value));
|
|
|
|
}
|
|
else if ( pTMXMapInfo->getParentElement() == TMXPropertyObject )
|
|
{
|
|
// The parent element is the last object
|
|
CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject();
|
|
StringToStringDictionary *dict = *objectGroup->getObjects()->begin();
|
|
|
|
std::string propertyName = valueForKey("name", attributeDict);
|
|
std::string propertyValue = valueForKey("value", attributeDict);
|
|
|
|
dict->insert(StringToStringPair(propertyName, propertyValue));
|
|
}
|
|
else if ( pTMXMapInfo->getParentElement() == TMXPropertyTile )
|
|
{
|
|
StringToStringDictionary *dict;
|
|
dict = pTMXMapInfo->getTileProperties()->find(pTMXMapInfo->getParentGID())->second;
|
|
std::string propertyName = valueForKey("name", attributeDict);
|
|
std::string propertyValue = valueForKey("value", attributeDict);
|
|
dict->insert(StringToStringPair(propertyName, propertyValue));
|
|
}
|
|
}
|
|
if (attributeDict)
|
|
{
|
|
attributeDict->clear();
|
|
delete attributeDict;
|
|
}
|
|
}
|
|
|
|
void tmx_endElement(void *ctx, const xmlChar *name)
|
|
{
|
|
CCTMXMapInfo *pTMXMapInfo = (CCTMXMapInfo*)(ctx);
|
|
std::string elementName = (char*)name;
|
|
|
|
int len = 0;
|
|
|
|
if(elementName == "data" && pTMXMapInfo->getLayerAttribs()&TMXLayerAttribBase64)
|
|
{
|
|
pTMXMapInfo->setStoringCharacters(false);
|
|
|
|
CCTMXLayerInfo *layer = pTMXMapInfo->getLayers()->getLastObject();
|
|
|
|
std::string currentString = pTMXMapInfo->getCurrentString();
|
|
unsigned char *buffer;
|
|
len = base64Decode((unsigned char*)currentString.c_str(), currentString.length(), &buffer);
|
|
if( ! buffer )
|
|
{
|
|
CCLOG("cocos2d: TiledMap: decode data error");
|
|
return;
|
|
}
|
|
|
|
if( pTMXMapInfo->getLayerAttribs() & TMXLayerAttribGzip )
|
|
{
|
|
unsigned char *deflated;
|
|
ZipUtils::inflateMemory(buffer, len, &deflated);
|
|
delete [] buffer;
|
|
buffer = NULL;
|
|
|
|
if( ! deflated )
|
|
{
|
|
CCLOG("cocos2d: TiledMap: inflate data error");
|
|
return;
|
|
}
|
|
|
|
layer->m_pTiles = (unsigned int*) deflated;
|
|
}
|
|
else
|
|
{
|
|
layer->m_pTiles = (unsigned int*) buffer;
|
|
}
|
|
|
|
pTMXMapInfo->setCurrentString("");
|
|
|
|
}
|
|
else if (elementName == "map")
|
|
{
|
|
// The map element has ended
|
|
pTMXMapInfo->setParentElement(TMXPropertyNone);
|
|
}
|
|
else if (elementName == "layer")
|
|
{
|
|
// The layer element has ended
|
|
pTMXMapInfo->setParentElement(TMXPropertyNone);
|
|
}
|
|
else if (elementName == "objectgroup")
|
|
{
|
|
// The objectgroup element has ended
|
|
pTMXMapInfo->setParentElement(TMXPropertyNone);
|
|
}
|
|
else if (elementName == "object")
|
|
{
|
|
// The object element has ended
|
|
pTMXMapInfo->setParentElement(TMXPropertyNone);
|
|
}
|
|
}
|
|
void tmx_characters(void *ctx, const xmlChar *ch, int len)
|
|
{
|
|
CCTMXMapInfo *pTMXMapInfo = (CCTMXMapInfo*)(ctx);
|
|
std::string pText((char*)ch,0,len);
|
|
|
|
if (pTMXMapInfo->getStoringCharacters())
|
|
{
|
|
std::string currentString = pTMXMapInfo->getCurrentString();
|
|
currentString += pText;
|
|
pTMXMapInfo->setCurrentString(currentString);
|
|
}
|
|
}
|
|
|
|
}//namespace cocos2d
|