custom class TMXTiledMap, for example class MyMap
//- MyMap.h ----------------------------------------
class MyMap : public TMXTiledMap
{
public:
static MyMap* create(const std::string& tmxFile);
protected:
bool initWithTMXFile(const std::string& tmxFile);
void editInfo(TMXMapInfo* mapInfo);
};
//- MyMap.cpp ---------------------------------------
MyMap * MyMap::create(const std::string& tmxFile)
{
MyMap *ret = new MyMap();
if (ret->initWithTMXFile(tmxFile))
{
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
bool MyMap::initWithTMXFile(const std::string& tmxFile)
{
// //////////////////////////////
// // 1. super init first
// if ( !TMXTiledMap::initWithTMXFile(tmxFile) )
// {
// return false;
// }
// return true;
//--------------------------------------------------
// rewrite initWithTMXFile and add editInfo inside
//--------------------------------------------------
CCASSERT(tmxFile.size()>0, "TMXTiledMap: tmx file should not be empty");
setContentSize(Size::ZERO);
TMXMapInfo *mapInfo = TMXMapInfo::create(tmxFile);
if (! mapInfo)
{
return false;
}
CCASSERT( !mapInfo->getTilesets().empty(), "TMXTiledMap: Map not found. Please check the filename.");
//EDIT MAP INFO FOR MULTI RESOLUTION....
editInfo(mapInfo);
buildWithMapInfo(mapInfo);
//-----------------------------
// all tiles are aliased by default, let's set them anti-aliased
for (const auto& child : getChildren())
{
static_cast<SpriteBatchNode*>(child)->getTexture()->setAntiAliasTexParameters();
static_cast<SpriteBatchNode*>(child)->setBlendFunc(BlendFunc::ALPHA_PREMULTIPLIED);
}
return true;
}
void MyMap::editInfo(TMXMapInfo* mapInfo)
{
//detect for seting scaleMap and dirMap for each resolution
//for example
string dirMap;
float scaleMap;
Size frameSize = Director::getInstance()->getOpenGLView()->getFrameSize();
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
dirMap = "medium";
scaleMap = 1;
#else
if (frameSize.width <= 320) //iphone 2G,3G
{
dirMap = "medium";
scaleMap = 1;
}
else if (frameSize.width == 750)// iphone 6
{
dirMap = "iphone6";
scaleMap = 1.15;
}
else if (frameSize.width <= 768) //iphone4, iphone 5, ipad
{
dirMap = "medium";
scaleMap = 1;
}
else //iphone 6+, ipad hd
{
dirMap = "large";
scaleMap = 2;
}
#endif
Size tilesize = mapInfo->getTileSize();
tilesize.width *= scaleMap;
tilesize.height *= scaleMap;
mapInfo->setTileSize(tilesize);
auto& tilesets = mapInfo->getTilesets();
if (tilesets.size()>0)
{
TMXTilesetInfo* tileset = nullptr;
for (auto iter = tilesets.crbegin(); iter != tilesets.crend(); ++iter)
{
tileset = *iter;
if (tileset)
{
string str = tileset->_sourceImage;
string dir = str.substr(0, str.find_last_of("/") + 1);
string imagename = str.substr(str.find_last_of("/1"));
tileset->_sourceImage = dir + dirMap + "/maps" + imagename;
tileset->_margin *= scaleMap;
tileset->_spacing *= scaleMap;
tileset->_tileSize.width *= scaleMap;
tileset->_tileSize.height *= scaleMap;
}
}
}
}
…
with the Objects Layer => remember multi with scaleMap after get x,y.
…
//--------------------------------------------------------------------------------
And now you only need only one .tmx (but with multi tileset .png for best graphic performance).
