C++ Map::GetNumTilesets方法代码示例

void TileMap::parseTmx(Tmx::Map &tmxMap) {

    this->width = tmxMap.GetWidth();
    this->height = tmxMap.GetHeight();
    this->tileWidth = tmxMap.GetTileWidth();
    this->tileHeight = tmxMap.GetTileHeight();
    LOG(INFO) << "Number of tilesets: " + std::to_string(tmxMap.GetNumTilesets());

    std::vector<Tileset> tilesets;

    for (int i = 0; i < tmxMap.GetNumTilesets(); ++i) {
        const Tmx::Tileset *tmxTileset = tmxMap.GetTileset(i);
        Tileset tileset;
        tileset.imageSource = tmxTileset->GetImage()->GetSource();
        tileset.imageWidth = tmxTileset->GetImage()->GetWidth();
        tileset.imageHeight = tmxTileset->GetImage()->GetHeight();
        tileset.tileWidth = tmxTileset->GetTileWidth();
        tileset.tileHeight = tmxTileset->GetTileHeight();
        tilesets.push_back(tileset);
    }

    for (int i = 0; i < tmxMap.GetNumTileLayers(); ++i) {
        const Tmx::TileLayer *tmxTileLayer = tmxMap.GetTileLayer(i);
        parseTileLayer(tilesets, tmxTileLayer);
    }
}

bool TileMap::load(const std::string& tmx_path) {

  Tmx::Map map;
  map.ParseFile(tmx_path);

  if (map.HasError()) {
    return false;
  }

  int width = map.GetWidth();
  int height = map.GetHeight();

  m_mapSize = sf::Vector2u(width, height);

  m_tileSize = sf::Vector2u(map.GetTileWidth(), map.GetTileHeight());

  std::string basepath = map.GetFilepath();
  for (int i = 0; i < map.GetNumTilesets(); i++) {
    const Tmx::Tileset *tileset = map.GetTileset(i);
    m_tilesets.emplace_back();
    if (!m_tilesets.back().load(*tileset, basepath))
      return false;
  }

  for (int j = 0; j < map.GetNumTileLayers(); j++) {
    const Tmx::TileLayer *tileLayer = map.GetTileLayer(j);
    m_tilelayers.emplace_back();
    if (!m_tilelayers.back().load(*tileLayer, m_tilesets, width, height))
      return false;
  }

  return true;
}

//-------------------------------------------------------------------------------------
NavTileHandle* NavTileHandle::_create(const std::string& res)
{
	Tmx::Map *map = new Tmx::Map();
	map->ParseFile(res.c_str());

	if (map->HasError()) 
	{
		printf("NavTileHandle::create: open(%s) is error!\n", res.c_str());
		delete map;
		return NULL;
	}
	
	bool mapdir = map->GetProperties().HasProperty("direction8");

	printf("NavTileHandle::create: (%s)\n", res.c_str());
	printf("\t==> map Width : %d\n", map->GetWidth());
	printf("\t==> map Height : %d\n", map->GetHeight());
	printf("\t==> tile Width : %d px\n", map->GetTileWidth());
	printf("\t==> tile Height : %d px\n", map->GetTileHeight());
	printf("\t==> findpath direction : %d\n", (mapdir ? 8 : 4));

	// Iterate through the tilesets.
	for (int i = 0; i < map->GetNumTilesets(); ++i) {

		printf("\t==> tileset %d\n", i);

		// Get a tileset.
		const Tmx::Tileset *tileset = map->GetTileset(i);

		// Print tileset information.
		printf("\t==> name : %s\n", tileset->GetName().c_str());
		printf("\t==> margin : %d\n", tileset->GetMargin());
		printf("\t==> spacing : %d\n", tileset->GetSpacing());
		printf("\t==> image Width : %d\n", tileset->GetImage()->GetWidth());
		printf("\t==> image Height : %d\n", tileset->GetImage()->GetHeight());
		printf("\t==> image Source : %s\n", tileset->GetImage()->GetSource().c_str());
		printf("\t==> transparent Color (hex) : %X\n", tileset->GetImage()->GetTransparentColor());
		printf("\t==> tiles Size : %d\n", tileset->GetTiles().size());
		
		if (tileset->GetTiles().size() > 0) 
		{
			// Get a tile from the tileset.
			const Tmx::Tile *tile = *(tileset->GetTiles().begin());

			// Print the properties of a tile.
			std::map< std::string, std::string > list = tile->GetProperties().GetList();
			std::map< std::string, std::string >::iterator iter;
			for (iter = list.begin(); iter != list.end(); ++iter) {
				printf("\t==> property: %s : %s\n", iter->first.c_str(), iter->second.c_str());
			}
		}
	}
	
	NavTileHandle* pNavTileHandle = new NavTileHandle(mapdir);
	pNavTileHandle->pTilemap = map;
	pNavTileHandle->resPath = res;
	return pNavTileHandle;
}

const bool MapLoader::load( const std::string filename, MapLoader::callback tile_callback, MapLoader::callback object_callback ){
	auto app = Application::getInstance();
	Tmx::Map map;

	map.ParseFile(filename);

	if( map.HasError() ){
		app->getRenderSystem().getDebugConsole()<<"\n"<<"Error Loading "<<filename<<": "<<map.GetErrorText();
		return false;
	}

	// Load all of the tilesets
	boost::unordered_map< std::string, phoenix::TexturePtr > tileset_textures;
	for (int i = 0; i < map.GetNumTilesets(); ++i) {
		const Tmx::Tileset *tileset = map.GetTileset(i);

		auto t = app->getRenderSystem().loadTexture( tileset->GetImage()->GetSource() );

		tileset_textures.insert( std::pair<std::string, phoenix::TexturePtr>( tileset->GetName(), t) );

		app->getRenderSystem().getDebugConsole()<<"\n"<<"Loaded tileset texture "<<tileset->GetImage()->GetSource()<<" for "<<tileset->GetName();
	}

	// Go through each layer
	for (int i = 0; i < map.GetNumLayers(); ++i) {
		const Tmx::Layer *layer = map.GetLayer(i);
		bea::TilemapPtr tiles = 0;

		for (int x = 0; x < layer->GetWidth(); ++x) {
			for (int y = 0; y < layer->GetHeight(); ++y) {
				auto tile_id = layer->GetTileId(x, y);
				if( tile_id == 0 ) continue;

				const Tmx::Tileset *tileset = map.FindTileset(tile_id);
				if( tileset == 0 ) continue;

				// Create the tileset when we get to the first tile in the map 
				if( !tiles ){
					tiles = new bea::Tilemap( 
						app->getObjectManager() , 
						app->getRenderSystem().getBatchRenderer(), 
						layer->GetWidth(), layer->GetHeight(),
						tileset->GetTileWidth(), tileset->GetTileHeight(),
						tileset_textures[tileset->GetName()]
					);
					app->getRenderSystem().getDebugConsole()<<"\n"<<"Added tilemap layer "<<layer->GetName()<<" with tileset "<<tileset->GetName()<<" W:"<<tiles->getMapWidth()<<" H:"<<tiles->getMapHeight();
				}

				// finally, set the tile
				tile_id -= tileset->GetFirstGid();
				if(tiles) tiles->setTile( x, y, tile_id );

				// callback
				if( tile_callback ){
					bea::PropertyContainer props;
					props["id"] = tile_id;
					props["tilemap"] = tiles;
					props["x"] = x;
					props["y"] = y;
					props["layer"] = layer->GetName();
					props["tile_width"] = tileset->GetTileWidth();
					props["tile_height"] = tileset->GetTileHeight();

					auto tile = tileset->GetTile(tile_id);
					if( tile != 0 ){
						auto tile_props = tile->GetProperties();
						if( !tile_props.Empty() ){
							auto list = tile_props.GetList();
							for( auto pit = list.begin(); pit != list.end(); ++pit ){
								props[ pit->first ] = pit->second;
							}
						}
					}

					tile_callback(props);
				}
			}
		}
		
		if( tiles ) {
			tiles->setDepth( tiles->getDepth() + (float(i)/10.0f) );
			tiles->update();
		}
	}

	// Go through the object groups
	if( object_callback ){

		for (int i = 0; i < map.GetNumObjectGroups(); ++i) {
			const Tmx::ObjectGroup *objectGroup = map.GetObjectGroup(i);
			for (int j = 0; j < objectGroup->GetNumObjects(); ++j) {

				const Tmx::Object *object = objectGroup->GetObject(j);

				bea::PropertyContainer props;
				props["name"] = object->GetName();
				props["group"] = objectGroup->GetName();
				props["type"] = object->GetType();
				props["x"] = object->GetX();
				props["y"] = object->GetY();
//.........这里部分代码省略.........

int main(int argc, char * argv[])
{
    Tmx::Map *map = new Tmx::Map();
    std::string fileName = (argc > 1) ? argv[1] : "./example/example.tmx";
    map->ParseFile(fileName);

    if (map->HasError())
    {
        printf("error code: %d\n", map->GetErrorCode());
        printf("error text: %s\n", map->GetErrorText().c_str());

        return map->GetErrorCode();
    }

    printf("====================================\n");
    printf("Map\n");
    printf("====================================\n");

    printf("Version: %1.1f\n", map->GetVersion());
    printf("Orientation: %d\n", map->GetOrientation());
    if (!map->GetBackgroundColor().IsTransparent())
        printf("Background Color (hex): %s\n",
               map->GetBackgroundColor().ToString().c_str());
    printf("Render Order: %d\n", map->GetRenderOrder());
    if (map->GetStaggerAxis())
        printf("Stagger Axis: %d\n", map->GetStaggerAxis());
    if (map->GetStaggerIndex())
        printf("Stagger Index: %d\n", map->GetStaggerIndex());
    printf("Width: %d\n", map->GetWidth());
    printf("Height: %d\n", map->GetHeight());
    printf("Tile Width: %d\n", map->GetTileWidth());
    printf("Tile Height: %d\n", map->GetTileHeight());

    // Iterate through map properties and print the type, name and value of each property.
    const std::unordered_map<std::string, Tmx::Property> &mapProperties = map->GetProperties().GetPropertyMap();
    for (auto &pair : mapProperties)
    {
        const Tmx::Property &property = pair.second;

        std::string type;

        if (property.GetType() == Tmx::TMX_PROPERTY_STRING)
        {
            type = "String";
        }
        else if (property.GetType() == Tmx::TMX_PROPERTY_FLOAT)
        {
            type = "Float";
        }
        else if (property.GetType() == Tmx::TMX_PROPERTY_INT)
        {
            type = "Integer";
        }
        else if (property.GetType() == Tmx::TMX_PROPERTY_BOOL)
        {
            type = "Boolean";
        }
        else if (property.GetType() == Tmx::TMX_PROPERTY_COLOR)
        {
            type = "Color";
        }
        else if (property.GetType() == Tmx::TMX_PROPERTY_FILE)
        {
            type = "File";
        }
        else
        {
            type = "Unknown";
        }

        printf("Map property %s (%s) = %s\n", pair.first.c_str(), type.c_str(),  property.GetValue().c_str());
    }

    // Make sure property parsing works correctly across the library.
    assert(mapProperties.at("StringProperty").GetValue() == map->GetProperties().GetStringProperty("StringProperty"));
    assert(mapProperties.at("IntProperty").GetIntValue() == map->GetProperties().GetIntProperty("IntProperty"));
    assert(mapProperties.at("NegativeIntProperty").GetIntValue() == map->GetProperties().GetIntProperty("NegativeIntProperty"));
    assert(mapProperties.at("FloatProperty").GetFloatValue() == map->GetProperties().GetFloatProperty("FloatProperty"));
    assert(mapProperties.at("NegativeFloatProperty").GetFloatValue() == map->GetProperties().GetFloatProperty("NegativeFloatProperty"));
    assert(mapProperties.at("BigInteger").GetIntValue() == map->GetProperties().GetIntProperty("BigInteger"));
    assert(mapProperties.at("FalseProperty").GetBoolValue() == map->GetProperties().GetBoolProperty("FalseProperty"));
    assert(mapProperties.at("TrueProperty").GetBoolValue() == map->GetProperties().GetBoolProperty("TrueProperty"));
    assert(mapProperties.at("YellowProperty").GetColorValue() == map->GetProperties().GetColorProperty("YellowProperty"));
    assert(mapProperties.at("FileProperty").GetBoolValue() == map->GetProperties().GetBoolProperty("FileProperty"));

    // Make sure color can be converted from and to string
    assert(map->GetProperties().GetColorProperty("YellowProperty").ToString() == map->GetProperties().GetStringProperty("YellowProperty"));
    assert(Tmx::Color("#ffffff") == Tmx::Color("#ffffffff"));

    // Iterate through the tilesets.
    for (int i = 0; i < map->GetNumTilesets(); ++i)
    {
        printf("                                    \n");
        printf("====================================\n");
        printf("Tileset : %02d\n", i);
        printf("====================================\n");

        // Get a tileset.
        const Tmx::Tileset *tileset = map->GetTileset(i);

//.........这里部分代码省略.........

int main(int argc, char * argv[])
{
	Tmx::Map *map = new Tmx::Map();
	//std::string fileName = (argc > 1) ? argv[1] : "./example/example.tmx";
	std::string fileName = (argc > 1) ? argv[1] : "1.tmx";
	map->ParseFile(fileName);

	if (map->HasError())
	{
		printf("error code: %d\n", map->GetErrorCode());
		printf("error text: %s\n", map->GetErrorText().c_str());

		return map->GetErrorCode();
	}

	printf("====================================\n");
	printf("Map\n");
	printf("====================================\n");

	printf("Version: %1.1f\n", map->GetVersion());
	printf("Orientation: %d\n", map->GetOrientation());
	if (!map->GetBackgroundColor().empty())
		printf("Background Color (hex): %s\n",
			   map->GetBackgroundColor().c_str());
	printf("Render Order: %d\n", map->GetRenderOrder());
	if (map->GetStaggerAxis())
		printf("Stagger Axis: %d\n", map->GetStaggerAxis());
	if (map->GetStaggerIndex())
		printf("Stagger Index: %d\n", map->GetStaggerIndex());
	printf("Width: %d\n", map->GetWidth());
	printf("Height: %d\n", map->GetHeight());
	printf("Tile Width: %d\n", map->GetTileWidth());
	printf("Tile Height: %d\n", map->GetTileHeight());

	// Iterate through the tilesets.
	for (int i = 0; i < map->GetNumTilesets(); ++i)
	{
		printf("                                    \n");
		printf("====================================\n");
		printf("Tileset : %02d\n", i);
		printf("====================================\n");

		// Get a tileset.
		const Tmx::Tileset *tileset = map->GetTileset(i);

		// Print tileset information.
		printf("Name: %s\n", tileset->GetName().c_str());
		printf("Margin: %d\n", tileset->GetMargin());
		printf("Spacing: %d\n", tileset->GetSpacing());
		printf("First gid: %d\n", tileset->GetFirstGid());
		printf("Image Width: %d\n", tileset->GetImage()->GetWidth());
		printf("Image Height: %d\n", tileset->GetImage()->GetHeight());
		printf("Image Source: %s\n", tileset->GetImage()->GetSource().c_str());
		if (!tileset->GetImage()->GetTransparentColor().empty())
			printf("Transparent Color (hex): %s\n",
				   tileset->GetImage()->GetTransparentColor().c_str());

		if (tileset->GetTiles().size() > 0)
		{
			// Get a tile from the tileset.
			const Tmx::Tile *tile = *(tileset->GetTiles().begin());

			// Print the properties of a tile.
			std::map<std::string, std::string> list =
				tile->GetProperties().GetList();
			std::map<std::string, std::string>::iterator iter;
			for (iter = list.begin(); iter != list.end(); ++iter)
			{
				printf("%s = %s\n", iter->first.c_str(), iter->second.c_str());
			}

			if (tile->IsAnimated())
			{
				printf(
					"Tile is animated: %d frames with total duration of %dms.\n",
					tile->GetFrameCount(), tile->GetTotalDuration());

				const std::vector<Tmx::AnimationFrame> &frames =
					tile->GetFrames();

				int i = 0;
				for (std::vector<Tmx::AnimationFrame>::const_iterator it =
					 frames.begin(); it != frames.end(); it++, i++)
				{
					printf("\tFrame %d: Tile ID = %d, Duration = %dms\n", i,
						   it->GetTileID(), it->GetDuration());
				}
			}

			if (tile->HasObjects())
			{
				printf(
					"Tile has objects.\n");


				// Iterate through all Collision objects in the tile.
				for (int j = 0; j < tile->GetNumObjects(); ++j)
				{
					// Get an object.
					const Tmx::Object *object = tile->GetObject(j);
//.........这里部分代码省略.........

std::unique_ptr<Map> MapLoader::Load(const std::string& path)
{
	Tmx::Map* map = new Tmx::Map();
	map->ParseFile(RESOURCE_FOLDER + path);

	auto ThrowError = [&]() {
		Logger::Log("Unable to load map: \"" + path + "\"", licesium::Logger::Error);
		throw map->GetErrorCode();
	};

	if (map->HasError() || map->GetOrientation() != Tmx::TMX_MO_ISOMETRIC)
	{
		ThrowError();
	}

	auto resultMap = std::unique_ptr<Map>(new Map(map->GetFilename()));

	size_t tileWidth = static_cast<size_t>(map->GetTileWidth());
	size_t tileHeight = static_cast<size_t>(map->GetTileHeight());
	float tileRatio = static_cast<float>(tileWidth) / static_cast<float>(tileHeight);

	resultMap->m_mapSize = sf::Vector2u(map->GetWidth(), map->GetHeight());
	resultMap->m_tileSize = sf::Vector2u(tileWidth, tileHeight);
	resultMap->m_tileRatio = tileRatio;
	resultMap->m_renderOrder = map->GetRenderOrder();
	
	for (int i = 0; i < map->GetNumTilesets(); ++i)
	{
		const Tmx::Tileset* tileset = map->GetTileset(i);

		std::unique_ptr<sf::Texture> tilesetTexture(new sf::Texture);
		if (!tilesetTexture->loadFromFile(RESOURCE_FOLDER + tileset->GetImage()->GetSource()))
		{
			ThrowError();
		}

		int spacing = tileset->GetSpacing();
		int margin = tileset->GetMargin();

		int columns = (tilesetTexture->getSize().x - 2u * margin + spacing) / (tileWidth + spacing);
		int rows = (tilesetTexture->getSize().y - 2u * margin + spacing) / (tileHeight + spacing);

		for (int y = 0; y < rows; y++)
		{
			for (int x = 0; x < columns; x++)
			{
				sf::IntRect rect;
				rect.top = y * (tileHeight + spacing);
				rect.top += margin;
				rect.height = tileHeight;
				rect.left = x * (tileWidth + spacing);
				rect.left += margin;
				rect.width = tileWidth;

				int id = resultMap->m_tileInfo.size();

				resultMap->m_tileInfo.push_back(licesium::Map::TileInfo(rect,
					sf::Vector2f(static_cast<float>(rect.width), static_cast<float>(rect.height)),
					static_cast<sf::Uint16>(resultMap->m_tilesetTextures.size() - 1u)));

				const Tmx::Tile* tile = tileset->GetTile(id);
				if (tile->IsAnimated())
				{
					auto& resultTile = resultMap->m_tileInfo.back();
					resultTile.animated = true;
					resultTile.animationDuration = static_cast<float>(tile->GetTotalDuration());
					
					const auto& frames = tile->GetFrames();
					for (const auto& frame : frames)
					{
						resultTile.frames.push_back(std::make_pair(frame.GetTileID(), static_cast<float>(frame.GetDuration())));
					}
				}
			}
		}

		resultMap->m_tilesetTextures.push_back(std::move(tilesetTexture));
	}

	for (int i = 0; i < map->GetNumTileLayers(); ++i)
	{
		const Tmx::TileLayer* tileLayer = map->GetTileLayer(i);

		MapLayer mapLayer;

		mapLayer.m_name = tileLayer->GetName();
		mapLayer.m_opacity = tileLayer->GetOpacity();
		mapLayer.m_visible = tileLayer->IsVisible();

		for (int y = 0; y < tileLayer->GetHeight(); ++y)
		{
			for (int x = 0; x < tileLayer->GetWidth(); ++x)
			{
				if (tileLayer->GetTileTilesetIndex(x, y) != -1)
				{
					sf::Uint8 opacity = static_cast<sf::Uint8>(255.f * tileLayer->GetOpacity());
					sf::Color color = sf::Color(255u, 255u, 255u, opacity);

					sf::Vertex v0, v1, v2, v3;

//.........这里部分代码省略.........

//-------------------------------------------------------------------------------------
NavigationHandle* NavTileHandle::create(std::string name)
{
	if(name == "")
		return NULL;

	std::string path = Resmgr::getSingleton().matchRes("spaces/" + name + "/" + name + ".tmx");

	Tmx::Map *map = new Tmx::Map();
	map->ParseFile(path.c_str());

	if (map->HasError()) 
	{
		ERROR_MSG(fmt::format("NavTileHandle::create: open({}) is error!\n", path));
		delete map;
		return NULL;
	}
	
	bool mapdir = map->GetProperties().HasProperty("direction8");

	DEBUG_MSG(fmt::format("NavTileHandle::create: ({})\n", name));
	DEBUG_MSG(fmt::format("\t==> map Width : {}\n", map->GetWidth()));
	DEBUG_MSG(fmt::format("\t==> map Height : {}\n", map->GetHeight()));
	DEBUG_MSG(fmt::format("\t==> tile Width : {} px\n", map->GetTileWidth()));
	DEBUG_MSG(fmt::format("\t==> tile Height : {} px\n", map->GetTileHeight()));
	DEBUG_MSG(fmt::format("\t==> findpath direction : {}\n", (mapdir ? 8 : 4)));

	// Iterate through the tilesets.
	for (int i = 0; i < map->GetNumTilesets(); ++i) {

		DEBUG_MSG(fmt::format("\t==> tileset {:02d}\n", i));

		// Get a tileset.
		const Tmx::Tileset *tileset = map->GetTileset(i);

		// Print tileset information.
		DEBUG_MSG(fmt::format("\t==> name : {}\n", tileset->GetName()));
		DEBUG_MSG(fmt::format("\t==> margin : {}\n", tileset->GetMargin()));
		DEBUG_MSG(fmt::format("\t==> spacing : {}\n", tileset->GetSpacing()));
		DEBUG_MSG(fmt::format("\t==> image Width : {}\n", tileset->GetImage()->GetWidth()));
		DEBUG_MSG(fmt::format("\t==> image Height : {}\n", tileset->GetImage()->GetHeight()));
		DEBUG_MSG(fmt::format("\t==> image Source : {}\n", tileset->GetImage()->GetSource().c_str()));
		DEBUG_MSG(fmt::format("\t==> transparent Color (hex) : {}\n", tileset->GetImage()->GetTransparentColor()));
		DEBUG_MSG(fmt::format("\t==> tiles Size : {}\n", tileset->GetTiles().size()));
		if (tileset->GetTiles().size() > 0) 
		{
			// Get a tile from the tileset.
			const Tmx::Tile *tile = *(tileset->GetTiles().begin());

			// Print the properties of a tile.
			std::map< std::string, std::string > list = tile->GetProperties().GetList();
			std::map< std::string, std::string >::iterator iter;
			for (iter = list.begin(); iter != list.end(); ++iter) {
				DEBUG_MSG(fmt::format("\t==> property: {} : {}\n", iter->first.c_str(), iter->second.c_str()));
			}
		}
	}

	NavTileHandle* pNavTileHandle = new NavTileHandle(mapdir);
	pNavTileHandle->pTilemap = map;
	return pNavTileHandle;
}

bool Level::Load(const std::string& filename) {
  Tmx::Map map;
  map.ParseFile(filename);

  if(map.HasError()) {
    Debug::logger->message("Error while loading level %s: %s\n", filename.c_str(), map.GetErrorText().c_str());
    return false;
  }

  _width = map.GetWidth();
  _height = map.GetHeight();
  _tileWidth = map.GetTileWidth();
  _tileHeight = map.GetTileHeight();

  std::map<const Tmx::Tileset*, Tileset*> tilesetMap;

  for(int i = 0; i < map.GetNumTilesets(); i++) {
    const Tmx::Tileset* tmxTileset = map.GetTileset(i);

    Tileset* tileset = new Tileset(_tileWidth, _tileHeight);
    tileset->LoadImage(map.GetFilepath() + tmxTileset->GetImage()->GetSource());

    _tilesets.push_back(tileset);

    tilesetMap.insert(std::pair<const Tmx::Tileset*, Tileset*>(tmxTileset, tileset));
  }

  _collisions = new bool[_width * _height];
  for(int i = 0; i < (_width * _height); i++) {
    _collisions[i] = false;
  }

  for(int i = 0; i < map.GetNumLayers(); i++) {
    const Tmx::Layer* tmxLayer = map.GetLayer(i);

    if(!strcasecmp(tmxLayer->GetName().c_str(), "collision")) {
      for(int x = 0; x < _width; x++) {
        for(int y = 0; y < _height; y++) {
          Tmx::MapTile tile = tmxLayer->GetTile(x, y);
          _collisions[y * _width + x] = tile.tilesetId > -1;
        }
      }
      continue;
    }
    else if(!strcasecmp(tmxLayer->GetName().c_str(), "middle")) {
      _middleLayer = i;
    }

    Layer* layer = new Layer(
      tmxLayer->GetWidth(), tmxLayer->GetHeight(),
      _tileWidth, _tileHeight);

    for(int x = 0; x < layer->GetWidth(); x++) {
      for(int y = 0; y < layer->GetHeight(); y++) {
        Tmx::MapTile tmxTile = tmxLayer->GetTile(x, y);

        MapTile tile;
        if(tmxTile.tilesetId != -1) {
          const Tmx::Tileset* tmxTileset = map.GetTileset(tmxTile.tilesetId);
          tile.id = tmxTile.id;
          tile.tileset = tilesetMap.find(tmxTileset)->second;
        } else {
          tile.id = 0;
          tile.tileset = NULL;
        }
        layer->SetTile(x, y, tile);
      }
    }

    _layers.push_back(layer);
  }

  if(_middleLayer == -1) {
    _middleLayer = int(floor(float(_layers.size()) / 2.0f)); // <-- nasty
  }

  for(int i = 0; i < map.GetNumObjectGroups(); i++) {
    const Tmx::ObjectGroup* tmxGroup = map.GetObjectGroup(i);
    for(int j = 0; j < tmxGroup->GetNumObjects(); j++) {
      const Tmx::Object* tmxObject = tmxGroup->GetObject(j);
      if(!strncasecmp(tmxObject->GetName().c_str(), "NPC", 3)) {
        NPC* npc = new NPC(this);
        npc->LoadSprites(tmxObject->GetProperties().GetLiteralProperty("image").c_str());
        npc->SetXY(tmxObject->GetX(), tmxObject->GetY());
        _npcs.push_back(npc);
      }
      else if(!strncasecmp(tmxObject->GetName().c_str(), "Warp", 4)) {
        Warp* warp = new Warp();
        warp->SetXY(tmxObject->GetX(), tmxObject->GetY());
        warp->SetWidthHeight(tmxObject->GetWidth(), tmxObject->GetHeight());
        warp->SetTargetMap(tmxObject->GetProperties().GetLiteralProperty("map").c_str());
        warp->SetTargetX(tmxObject->GetProperties().GetNumericProperty("x") * 32);
        warp->SetTargetY(tmxObject->GetProperties().GetNumericProperty("y") * 32);
        _warps.push_back(warp);
      }
    }
  }

  std::map<std::string, std::string> mapProps = map.GetProperties().GetList();
  for(std::map<std::string, std::string>::iterator i = mapProps.begin(); i != mapProps.end(); ++i) {
//.........这里部分代码省略.........