C++ Map::GetNumTileLayers方法代码示例

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;
}

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);
    }
}

void ParserMap::LoadMap(ServerMap *drawmap, const std::string &name)
{
	// загрузка карты
	Tmx::Map *map = new Tmx::Map();
	map->ParseFile(Config::Get()["dir.maps"] + name);
	if ( map->HasError() )
	{
		Log::Error("error code: " + std::to_string(map->GetErrorCode()));
		Log::Error("error text: " + map->GetErrorText());
		throw (std::runtime_error("map->GetErrorCode()"));
	}

	for ( int i = 0; i < map->GetNumTileLayers(); ++i )
	{
		const Tmx::TileLayer *tileLayer = map->GetTileLayer(i);
		const std::string tileLayerName = tileLayer->GetName();
		
		for ( int y = 0; y < tileLayer->GetHeight(); ++y )
		{
			for ( int x = 0; x < tileLayer->GetWidth(); ++x )
			{
				if ( tileLayer->GetTileTilesetIndex(x, y) == -1 )
				{
				}
				else
				{
					if ( tileLayerName == "Collision" )
					{
						if ( tileLayer->GetTileGid(x, y) == 50 )
							drawmap->m_tile[0][x][y].SetCollision(1);
					}
					else if ( tileLayerName == "enemy" )
					{
						if ( tileLayer->GetTileGid(x, y) == 52 )
							drawmap->m_tile[0][x][y].SetEnemy(1);
					}
					else
					{
						drawmap->m_tile[i][x][y].SetTileId(tileLayer->GetTileGid(x, y) - 1);
					}
				}
			}
		}
	}

	delete map;
	map = nullptr;
}

//.........这里部分代码省略.........
                    printf("Object Size: (%03d, %03d)\n", object->GetWidth(),
                           object->GetHeight());

                    // Print Polygon points.
                    const Tmx::Polygon *polygon = object->GetPolygon();
                    if (polygon != 0)
                    {
                        for (int i = 0; i < polygon->GetNumPoints(); i++)
                        {
                            const Tmx::Point &point = polygon->GetPoint(i);
                            printf("Object Polygon: Point %d: (%f, %f)\n", i, point.x,
                                   point.y);
                        }
                    }

                    // Print Polyline points.
                    const Tmx::Polyline *polyline = object->GetPolyline();
                    if (polyline != 0)
                    {
                        for (int i = 0; i < polyline->GetNumPoints(); i++)
                        {
                            const Tmx::Point &point = polyline->GetPoint(i);
                            printf("Object Polyline: Point %d: (%f, %f)\n", i, point.x,
                                   point.y);
                        }
                    }
                }

            }
        }
    }

    // Iterate through the tile layers.
    for (int i = 0; i < map->GetNumTileLayers(); ++i)
    {
        printf("                                    \n");
        printf("====================================\n");
        printf("Layer : %02d/%s \n", i, map->GetTileLayer(i)->GetName().c_str());
        printf("====================================\n");

        // Get a layer.
        const Tmx::TileLayer *tileLayer = map->GetTileLayer(i);

        for (int y = 0; y < tileLayer->GetHeight(); ++y)
        {
            for (int x = 0; x < tileLayer->GetWidth(); ++x)
            {
                if (tileLayer->GetTileTilesetIndex(x, y) == -1)
                {
                    printf("........    ");
                }
                else
                {
                    // Get the tile's id and gid.
                    printf("%03d(%03d)", tileLayer->GetTileId(x, y), tileLayer->GetTileGid(x, y));

                    // Find a tileset for that id.
                    //const Tmx::Tileset *tileset = map->FindTileset(layer->GetTileId(x, y));
                    if (tileLayer->IsTileFlippedHorizontally(x, y))
                    {
                        printf("h");
                    }
                    else
                    {
                        printf(" ");
                    }

//.........这里部分代码省略.........
					printf("Object Size: (%03d, %03d)\n", object->GetWidth(),
						   object->GetHeight());

					// Print Polygon points.
					const Tmx::Polygon *polygon = object->GetPolygon();
					if (polygon != 0)
					{
						for (int i = 0; i < polygon->GetNumPoints(); i++)
						{
							const Tmx::Point &point = polygon->GetPoint(i);
							printf("Object Polygon: Point %d: (%f, %f)\n", i, point.x,
								   point.y);
						}
					}

					// Print Polyline points.
					const Tmx::Polyline *polyline = object->GetPolyline();
					if (polyline != 0)
					{
						for (int i = 0; i < polyline->GetNumPoints(); i++)
						{
							const Tmx::Point &point = polyline->GetPoint(i);
							printf("Object Polyline: Point %d: (%f, %f)\n", i, point.x,
								   point.y);
						}
					}
				}

			}
		}
	}

	// Iterate through the tile layers.
	for (int i = 0; i < map->GetNumTileLayers(); ++i)
	{
		printf("                                    \n");
		printf("====================================\n");
		printf("Layer : %02d/%s \n", i, map->GetTileLayer(i)->GetName().c_str());
		printf("====================================\n");

		// Get a layer.
		const Tmx::TileLayer *tileLayer = map->GetTileLayer(i);

		for (int y = 0; y < tileLayer->GetHeight(); ++y)
		{
			for (int x = 0; x < tileLayer->GetWidth(); ++x)
			{
				if (tileLayer->GetTileTilesetIndex(x, y) == -1)
				{
					printf("........    ");
				}
				else
				{
					// Get the tile's id and gid.
					printf("%03d(%03d)", tileLayer->GetTileId(x, y), tileLayer->GetTileGid(x, y));

					// Find a tileset for that id.
					//const Tmx::Tileset *tileset = map->FindTileset(layer->GetTileId(x, y));
					if (tileLayer->IsTileFlippedHorizontally(x, y))
					{
						printf("h");
					}
					else
					{
						printf(" ");
					}

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.........