/**************************************************************************** Copyright (c) 2010-2011 cocos2d-x.org Copyright (c) 2011 Максим Аксенов Copyright (c) 2009-2010 Ricardo Quesada Copyright (c) 2011 Zynga 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 in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 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 THE SOFTWARE. ****************************************************************************/ #include #include "CCTMXXMLParser.h" #include "CCTMXTiledMap.h" #include "ccMacros.h" #include "CCFileUtils.h" #include "support/zip_support/ZipUtils.h" #include "CCPointExtension.h" #include "support/base64.h" #include "platform/platform.h" /* #if (CC_TARGET_PLATFORM == CC_PLATFORM_MARMALADE) #include "expat.h" #else #include #include #include #include "CCLibxml2.h" #endf */ namespace cocos2d { /* void tmx_startElement(void *ctx, const xmlChar *name, const xmlChar **atts); void tmx_endElement(void *ctx, const xmlChar *name); void tmx_characters(void *ctx, const xmlChar *ch, int len); */ static const char* valueForKey(const char *key, std::map* dict) { if (dict) { std::map::iterator it = dict->find(key); return it!=dict->end() ? it->second.c_str() : ""; } return ""; } // implementation CCTMXLayerInfo CCTMXLayerInfo::CCTMXLayerInfo() : m_sName("") , m_pTiles(NULL) , m_bOwnTiles(true) , m_uMinGID(100000) , m_uMaxGID(0) , m_tOffset(CCPointZero) { m_pProperties= new CCStringToStringDictionary();; } CCTMXLayerInfo::~CCTMXLayerInfo() { CCLOGINFO("cocos2d: deallocing."); CC_SAFE_RELEASE(m_pProperties); if( m_bOwnTiles && m_pTiles ) { delete [] m_pTiles; m_pTiles = NULL; } } CCStringToStringDictionary * CCTMXLayerInfo::getProperties() { return m_pProperties; } void CCTMXLayerInfo::setProperties(CCStringToStringDictionary* var) { CC_SAFE_RETAIN(var); CC_SAFE_RELEASE(m_pProperties); m_pProperties = var; } // implementation CCTMXTilesetInfo CCTMXTilesetInfo::CCTMXTilesetInfo() :m_uFirstGid(0) ,m_tTileSize(CCSizeZero) ,m_uSpacing(0) ,m_uMargin(0) ,m_tImageSize(CCSizeZero) { } CCTMXTilesetInfo::~CCTMXTilesetInfo() { CCLOGINFO("cocos2d: deallocing."); } CCRect CCTMXTilesetInfo::rectForGID(unsigned int gid) { CCRect rect; rect.size = m_tTileSize; gid = gid - m_uFirstGid; int max_x = (int)((m_tImageSize.width - m_uMargin*2 + m_uSpacing) / (m_tTileSize.width + m_uSpacing)); // int max_y = (imageSize.height - margin*2 + spacing) / (tileSize.height + spacing); rect.origin.x = (gid % max_x) * (m_tTileSize.width + m_uSpacing) + m_uMargin; rect.origin.y = (gid / max_x) * (m_tTileSize.height + m_uSpacing) + m_uMargin; return rect; } // implementation CCTMXMapInfo CCTMXMapInfo * CCTMXMapInfo::formatWithTMXFile(const char *tmxFile) { CCTMXMapInfo *pRet = new CCTMXMapInfo(); if(pRet->initWithTMXFile(tmxFile)) { pRet->autorelease(); return pRet; } CC_SAFE_DELETE(pRet); return NULL; } bool CCTMXMapInfo::initWithTMXFile(const char *tmxFile) { m_pTilesets = new CCMutableArray(); m_pLayers = new CCMutableArray(); m_sTMXFileName = CCFileUtils::fullPathFromRelativePath(tmxFile); m_pObjectGroups = new CCMutableArray(); m_pProperties = new CCStringToStringDictionary(); m_pTileProperties = new CCDictionary(); // tmp vars m_sCurrentString = ""; m_bStoringCharacters = false; m_nLayerAttribs = TMXLayerAttribNone; m_nParentElement = TMXPropertyNone; return parseXMLFile(m_sTMXFileName.c_str()); } CCTMXMapInfo::CCTMXMapInfo() :m_tMapSize(CCSizeZero) ,m_tTileSize(CCSizeZero) ,m_pLayers(NULL) ,m_pTilesets(NULL) ,m_pObjectGroups(NULL) ,m_nLayerAttribs(0) ,m_bStoringCharacters(false) ,m_pProperties(NULL) ,m_pTileProperties(NULL) { } CCTMXMapInfo::~CCTMXMapInfo() { CCLOGINFO("cocos2d: deallocing."); CC_SAFE_RELEASE(m_pTilesets); CC_SAFE_RELEASE(m_pLayers); CC_SAFE_RELEASE(m_pProperties); CC_SAFE_RELEASE(m_pTileProperties); CC_SAFE_RELEASE(m_pObjectGroups); } CCMutableArray * CCTMXMapInfo::getLayers() { return m_pLayers; } void CCTMXMapInfo::setLayers(CCMutableArray* var) { CC_SAFE_RETAIN(var); CC_SAFE_RELEASE(m_pLayers); m_pLayers = var; } CCMutableArray * CCTMXMapInfo::getTilesets() { return m_pTilesets; } void CCTMXMapInfo::setTilesets(CCMutableArray* var) { CC_SAFE_RETAIN(var); CC_SAFE_RELEASE(m_pTilesets); m_pTilesets = var; } CCMutableArray * CCTMXMapInfo::getObjectGroups() { return m_pObjectGroups; } void CCTMXMapInfo::setObjectGroups(CCMutableArray* var) { CC_SAFE_RETAIN(var); CC_SAFE_RELEASE(m_pObjectGroups); m_pObjectGroups = var; } CCStringToStringDictionary * CCTMXMapInfo::getProperties() { return m_pProperties; } void CCTMXMapInfo::setProperties(CCStringToStringDictionary* var) { CC_SAFE_RETAIN(var); CC_SAFE_RELEASE(m_pProperties); m_pProperties = var; } CCDictionary * CCTMXMapInfo::getTileProperties() { return m_pTileProperties; } void CCTMXMapInfo::setTileProperties(CCDictionary * tileProperties) { CC_SAFE_RETAIN(tileProperties); CC_SAFE_RELEASE(m_pTileProperties); m_pTileProperties = tileProperties; } bool CCTMXMapInfo::parseXMLFile(const char *xmlFilename) { CCSAXParser parser; if (false == parser.init("UTF-8") ) { return false; } parser.setDelegator(this); return parser.parse(xmlFilename);; } // the XML parser calls here with all the elements void CCTMXMapInfo::startElement(void *ctx, const char *name, const char **atts) { CC_UNUSED_PARAM(ctx); CCTMXMapInfo *pTMXMapInfo = this; std::string elementName = (char*)name; std::map *attributeDict = new std::map(); if(atts && atts[0]) { for(int i = 0; atts[i]; i += 2) { std::string key = (char*)atts[i]; std::string value = (char*)atts[i+1]; attributeDict->insert(pair(key, value)); } } if(elementName == "map") { std::string version = valueForKey("version", attributeDict); if ( version != "1.0") { CCLOG("cocos2d: TMXFormat: Unsupported TMX version: %s", version.c_str()); } std::string orientationStr = valueForKey("orientation", attributeDict); if( orientationStr == "orthogonal") pTMXMapInfo->setOrientation(CCTMXOrientationOrtho); else if ( orientationStr == "isometric") pTMXMapInfo->setOrientation(CCTMXOrientationIso); else if( orientationStr == "hexagonal") pTMXMapInfo->setOrientation(CCTMXOrientationHex); else CCLOG("cocos2d: TMXFomat: Unsupported orientation: %d", pTMXMapInfo->getOrientation()); CCSize s; s.width = (float)atof(valueForKey("width", attributeDict)); s.height = (float)atof(valueForKey("height", attributeDict)); pTMXMapInfo->setMapSize(s); s.width = (float)atof(valueForKey("tilewidth", attributeDict)); s.height = (float)atof(valueForKey("tileheight", attributeDict)); pTMXMapInfo->setTileSize(s); // The parent element is now "map" pTMXMapInfo->setParentElement(TMXPropertyMap); } else if(elementName == "tileset") { // If this is an external tileset then start parsing that std::string externalTilesetFilename = valueForKey("source", attributeDict); if (externalTilesetFilename != "") { externalTilesetFilename = CCFileUtils::fullPathFromRelativeFile(externalTilesetFilename.c_str(), pTMXMapInfo->getTMXFileName()); pTMXMapInfo->parseXMLFile(externalTilesetFilename.c_str()); } else { CCTMXTilesetInfo *tileset = new CCTMXTilesetInfo(); tileset->m_sName = valueForKey("name", attributeDict); tileset->m_uFirstGid = (unsigned int)atoi(valueForKey("firstgid", attributeDict)); tileset->m_uSpacing = (unsigned int)atoi(valueForKey("spacing", attributeDict)); tileset->m_uMargin = (unsigned int)atoi(valueForKey("margin", attributeDict)); CCSize s; s.width = (float)atof(valueForKey("tilewidth", attributeDict)); s.height = (float)atof(valueForKey("tileheight", attributeDict)); tileset->m_tTileSize = s; pTMXMapInfo->getTilesets()->addObject(tileset); tileset->release(); } } else if(elementName == "tile") { CCTMXTilesetInfo* info = pTMXMapInfo->getTilesets()->getLastObject(); CCStringToStringDictionary *dict = new CCStringToStringDictionary(); pTMXMapInfo->setParentGID(info->m_uFirstGid + atoi(valueForKey("id", attributeDict))); pTMXMapInfo->getTileProperties()->setObject(dict, pTMXMapInfo->getParentGID()); CC_SAFE_RELEASE(dict); pTMXMapInfo->setParentElement(TMXPropertyTile); } else if(elementName == "layer") { CCTMXLayerInfo *layer = new CCTMXLayerInfo(); layer->m_sName = valueForKey("name", attributeDict); CCSize s; s.width = (float)atof(valueForKey("width", attributeDict)); s.height = (float)atof(valueForKey("height", attributeDict)); layer->m_tLayerSize = s; std::string visible = valueForKey("visible", attributeDict); layer->m_bVisible = !(visible == "0"); std::string opacity = valueForKey("opacity", attributeDict); if( opacity != "" ) { layer->m_cOpacity = (unsigned char)(255 * atof(opacity.c_str())); } else { layer->m_cOpacity = 255; } float x = (float)atof(valueForKey("x", attributeDict)); float y = (float)atof(valueForKey("y", attributeDict)); layer->m_tOffset = ccp(x,y); pTMXMapInfo->getLayers()->addObject(layer); layer->release(); // The parent element is now "layer" pTMXMapInfo->setParentElement(TMXPropertyLayer); } else if(elementName == "objectgroup") { CCTMXObjectGroup *objectGroup = new CCTMXObjectGroup(); objectGroup->setGroupName(valueForKey("name", attributeDict)); CCPoint positionOffset; positionOffset.x = (float)atof(valueForKey("x", attributeDict)) * pTMXMapInfo->getTileSize().width; positionOffset.y = (float)atof(valueForKey("y", attributeDict)) * pTMXMapInfo->getTileSize().height; objectGroup->setPositionOffset(positionOffset); pTMXMapInfo->getObjectGroups()->addObject(objectGroup); objectGroup->release(); // The parent element is now "objectgroup" pTMXMapInfo->setParentElement(TMXPropertyObjectGroup); } else if(elementName == "image") { CCTMXTilesetInfo *tileset = pTMXMapInfo->getTilesets()->getLastObject(); // build full path std::string imagename = valueForKey("source", attributeDict); tileset->m_sSourceImage = CCFileUtils::fullPathFromRelativeFile(imagename.c_str(), pTMXMapInfo->getTMXFileName()); } else if(elementName == "data") { std::string encoding = valueForKey("encoding", attributeDict); std::string compression = valueForKey("compression", attributeDict); if( encoding == "base64" ) { int layerAttribs = pTMXMapInfo->getLayerAttribs(); pTMXMapInfo->setLayerAttribs(layerAttribs | TMXLayerAttribBase64); pTMXMapInfo->setStoringCharacters(true); if( compression == "gzip" ) { layerAttribs = pTMXMapInfo->getLayerAttribs(); pTMXMapInfo->setLayerAttribs(layerAttribs | TMXLayerAttribGzip); } else if (compression == "zlib") { layerAttribs = pTMXMapInfo->getLayerAttribs(); pTMXMapInfo->setLayerAttribs(layerAttribs | TMXLayerAttribZlib); } CCAssert( compression == "" || compression == "gzip" || compression == "zlib", "TMX: unsupported compression method" ); } CCAssert( pTMXMapInfo->getLayerAttribs() != TMXLayerAttribNone, "TMX tile map: Only base64 and/or gzip/zlib maps are supported" ); } else if(elementName == "object") { char buffer[32]; CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject(); // The value for "type" was blank or not a valid class name // Create an instance of TMXObjectInfo to store the object and its properties CCStringToStringDictionary *dict = new CCStringToStringDictionary(); // Set the name of the object to the value for "name" std::string key = "name"; CCString *value = new CCString(valueForKey("name", attributeDict)); dict->setObject(value, key); value->release(); // Assign all the attributes as key/name pairs in the properties dictionary key = "type"; value = new CCString(valueForKey("type", attributeDict)); dict->setObject(value, key); value->release(); int x = atoi(valueForKey("x", attributeDict)) + (int)objectGroup->getPositionOffset().x; key = "x"; sprintf(buffer, "%d", x); value = new CCString(buffer); dict->setObject(value, key); value->release(); int y = atoi(valueForKey("y", attributeDict)) + (int)objectGroup->getPositionOffset().y; // Correct y position. (Tiled uses Flipped, cocos2d uses Standard) y = (int)(pTMXMapInfo->getMapSize().height * pTMXMapInfo->getTileSize().height) - y - atoi(valueForKey("height", attributeDict)); key = "y"; sprintf(buffer, "%d", y); value = new CCString(buffer); dict->setObject(value, key); value->release(); key = "width"; value = new CCString(valueForKey("width", attributeDict)); dict->setObject(value, key); value->release(); key = "height"; value = new CCString(valueForKey("height", attributeDict)); dict->setObject(value, key); value->release(); // Add the object to the objectGroup objectGroup->getObjects()->addObject(dict); dict->release(); // The parent element is now "object" pTMXMapInfo->setParentElement(TMXPropertyObject); } else if(elementName == "property") { if ( pTMXMapInfo->getParentElement() == TMXPropertyNone ) { CCLOG( "TMX tile map: Parent element is unsupported. Cannot add property named '%s' with value '%s'", valueForKey("name", attributeDict), valueForKey("value",attributeDict) ); } else if ( pTMXMapInfo->getParentElement() == TMXPropertyMap ) { // The parent element is the map CCString *value = new CCString(valueForKey("value", attributeDict)); std::string key = valueForKey("name", attributeDict); pTMXMapInfo->getProperties()->setObject(value, key); value->release(); } else if ( pTMXMapInfo->getParentElement() == TMXPropertyLayer ) { // The parent element is the last layer CCTMXLayerInfo *layer = pTMXMapInfo->getLayers()->getLastObject(); CCString *value = new CCString(valueForKey("value", attributeDict)); std::string key = valueForKey("name", attributeDict); // Add the property to the layer layer->getProperties()->setObject(value, key); value->release(); } else if ( pTMXMapInfo->getParentElement() == TMXPropertyObjectGroup ) { // The parent element is the last object group CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject(); CCString *value = new CCString(valueForKey("value", attributeDict)); std::string key = valueForKey("name", attributeDict); objectGroup->getProperties()->setObject(value, key); value->release(); } else if ( pTMXMapInfo->getParentElement() == TMXPropertyObject ) { // The parent element is the last object CCTMXObjectGroup *objectGroup = pTMXMapInfo->getObjectGroups()->getLastObject(); CCStringToStringDictionary *dict = objectGroup->getObjects()->getLastObject(); std::string propertyName = valueForKey("name", attributeDict); CCString *propertyValue = new CCString(valueForKey("value", attributeDict)); dict->setObject(propertyValue, propertyName); propertyValue->release(); } else if ( pTMXMapInfo->getParentElement() == TMXPropertyTile ) { CCStringToStringDictionary *dict; dict = pTMXMapInfo->getTileProperties()->objectForKey(pTMXMapInfo->getParentGID()); std::string propertyName = valueForKey("name", attributeDict); CCString *propertyValue = new CCString(valueForKey("value", attributeDict)); dict->setObject(propertyValue, propertyName); propertyValue->release(); } } if (attributeDict) { attributeDict->clear(); delete attributeDict; } } void CCTMXMapInfo::endElement(void *ctx, const char *name) { CC_UNUSED_PARAM(ctx); CCTMXMapInfo *pTMXMapInfo = this; 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(), (unsigned int)currentString.length(), &buffer); if( ! buffer ) { CCLOG("cocos2d: TiledMap: decode data error"); return; } if( pTMXMapInfo->getLayerAttribs() & (TMXLayerAttribGzip | TMXLayerAttribZlib) ) { unsigned char *deflated; CCSize s = layer->m_tLayerSize; // int sizeHint = s.width * s.height * sizeof(uint32_t); int sizeHint = (int)(s.width * s.height * sizeof(unsigned int)); int inflatedLen = ZipUtils::ccInflateMemoryWithHint(buffer, len, &deflated, sizeHint); CCAssert(inflatedLen == sizeHint, ""); inflatedLen = (size_t)&inflatedLen; // XXX: to avoid warings in compiler 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 CCTMXMapInfo::textHandler(void *ctx, const char *ch, int len) { CC_UNUSED_PARAM(ctx); CCTMXMapInfo *pTMXMapInfo = this; std::string pText((char*)ch,0,len); if (pTMXMapInfo->getStoringCharacters()) { std::string currentString = pTMXMapInfo->getCurrentString(); currentString += pText; pTMXMapInfo->setCurrentString(currentString.c_str()); } } }//namespace cocos2d