C++ TileMap::GetRowsCount方法代码示例

std::vector<Polygon2d> GenerateHitboxes(TileSet &tileSet, TileMap &tileMap)
{
    std::vector<Polygon2d> hitboxes;
    const int tileWidth = tileSet.tileSize.x;
    const int tileHeight = tileSet.tileSize.y;

    if(tileSet.IsDirty())
        return hitboxes;

    for(int layer = 0; layer < 3; layer++)
    {
        for(int col = 0; col < tileMap.GetColumnsCount(); col++)
        {
            for(int row = 0; row < tileMap.GetRowsCount(); row++)
            {
                //Note : a hitbox is also added for empty/non-collidable tiles to ease the hitbox update when changing a tile
                Polygon2d newPolygon;

                if(tileMap.GetTile(layer, col, row) != -1 && tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).collidable)
                {
                    newPolygon = tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).hitbox;
                }

                newPolygon.Move(col * tileWidth, row * tileHeight);
                hitboxes.push_back(newPolygon);
            }
        }
    }

    return hitboxes;
}

sf::VertexArray GenerateVertexArray(TileSet &tileSet, TileMap &tileMap)
{
    sf::VertexArray vertexArray(sf::Quads);
    int tileWidth = tileSet.tileSize.x;
    int tileHeight = tileSet.tileSize.y;

    if(tileSet.IsDirty())
        return vertexArray;

    for(int layer = 0; layer < 3; layer++)
    {
        for(int col = 0; col < tileMap.GetColumnsCount(); col++)
        {
            for(int row = 0; row < tileMap.GetRowsCount(); row++)
            {
                TileTextureCoords coords;
                if(tileMap.GetTile(layer, col, row) != -1)
                {
                    coords = tileSet.GetTileTextureCoords(tileMap.GetTile(layer, col, row));
                }
                else
                {
                    coords = tileSet.GetTileTextureCoords(0);
                }

                {
                    sf::Vertex vertex(sf::Vector2f(col * tileWidth, row * tileHeight), coords.topLeft);
                    if(tileMap.GetTile(layer, col, row) == -1)
                        vertex.color.a = 0;
                    vertexArray.append(vertex);
                }
                {
                    sf::Vertex vertex(sf::Vector2f(col * tileWidth, (row + 1) * tileHeight), coords.bottomLeft);
                    if(tileMap.GetTile(layer, col, row) == -1)
                        vertex.color.a = 0;
                    vertexArray.append(vertex);
                }
                {
                    sf::Vertex vertex(sf::Vector2f((col + 1) * tileWidth, (row + 1) * tileHeight), coords.bottomRight);
                    if(tileMap.GetTile(layer, col, row) == -1)
                        vertex.color.a = 0;
                    vertexArray.append(vertex);
                }
                {
                    sf::Vertex vertex(sf::Vector2f((col + 1) * tileWidth, row * tileHeight), coords.topRight);
                    if(tileMap.GetTile(layer, col, row) == -1)
                        vertex.color.a = 0;
                    vertexArray.append(vertex);
                }
            }
        }
    }

    return vertexArray;
}

void UpdateHitboxes(std::vector<Polygon2d> &polygons, sf::Vector2f position, int layer, int col, int row, TileSet &tileSet, TileMap &tileMap)
{
    if(tileSet.IsDirty())
        return;

    const int vertexPos = layer * tileMap.GetColumnsCount() * tileMap.GetRowsCount() + col * tileMap.GetRowsCount() + row;

    const int tileWidth = tileSet.tileSize.x;
    const int tileHeight = tileSet.tileSize.y;

    if(tileMap.GetTile(layer, col, row) != -1 && tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).collidable)
    {
        polygons[vertexPos] = tileSet.GetTileHitbox(tileMap.GetTile(layer, col, row)).hitbox;
    }
    else
    {
        polygons[vertexPos] = Polygon2d();
    }

    polygons[vertexPos].Move(position.x + col * tileWidth, position.y + row * tileHeight);
}

void UpdateVertexArray(sf::VertexArray &vertexArray, int layer, int col, int row, TileSet &tileSet, TileMap &tileMap)
{
    if(tileSet.IsDirty())
        return;

    const int vertexPos = 4 * (layer * tileMap.GetColumnsCount() * tileMap.GetRowsCount() + col * tileMap.GetRowsCount() + row);

    TileTextureCoords newCoords = tileMap.GetTile(layer, col, row) != -1 ? tileSet.GetTileTextureCoords(tileMap.GetTile(layer, col, row)) : tileSet.GetTileTextureCoords(0);
    vertexArray[vertexPos].texCoords = newCoords.topLeft;
    vertexArray[vertexPos + 1].texCoords = newCoords.bottomLeft;
    vertexArray[vertexPos + 2].texCoords = newCoords.bottomRight;
    vertexArray[vertexPos + 3].texCoords = newCoords.topRight;
    for(int i = 0; i < 4; i++)
    {
        if(tileMap.GetTile(layer, col, row) == -1)
        {
            vertexArray[vertexPos + i].color.a = 0;
        }
        else
        {
            vertexArray[vertexPos + i].color.a = 255;
        }
    }
}

bool TileMapImporter::ImportTileMap(TileSet &tileSet, TileMap &tileMap,
                                    bool importTileMap, bool importTileSetConf, bool importTileSetImage,
                                    bool importHitboxes, gd::Project &project)
{
    //Checks the map type
    if(m_map->GetOrientation() != Tmx::TMX_MO_ORTHOGONAL)
    {
        gd::LogError(_("Only orthogonal maps are supported !"));
        return false;
    }

    //Get the tileset list
    if(m_map->GetNumTilesets() < 1)
    {
        gd::LogError(_("There are no tilesets in this file !"));
        return false;
    }
    else if(m_map->GetNumTilesets() > 1)
    {
        gd::LogWarning(_("Only the first tileset will be taken into account. Tiles from supplementary tilesets may be lost."));
    }

    //Import the tileset image if needed
    if(importTileSetImage)
    {
        const Tmx::Image *importedImage = m_map->GetTileset(0)->GetImage();
        wxFileName imageFileName(importedImage->GetSource());
        imageFileName.MakeAbsolute(wxFileName(m_filePath).GetPath());

        if(!imageFileName.FileExists())
        {
            gd::LogError(_("The image can't be found !"));
            return false;
        }

        gd::String newResourceName = gd::NewNameGenerator::Generate(
                                         u8"imported_" + imageFileName.GetFullName(),
                                         [&project](const gd::String &name) -> bool { return project.GetResourcesManager().HasResource(name); }
                                     );

        gd::LogMessage(_("The image is imported as ") + "\"" + newResourceName + "\".");

        imageFileName.MakeRelativeTo(wxFileName(project.GetProjectFile()).GetPath());
        project.GetResourcesManager().AddResource(newResourceName, imageFileName.GetFullPath(), "image");

        tileSet.textureName = newResourceName;

        //Reload the texture
        tileSet.LoadResources(project);

        gd::LogStatus(_("Tileset image importation completed."));
    }

    //Import the tileset configuration if wanted
    if(importTileSetConf)
    {
        const Tmx::Tileset *importedTileset = m_map->GetTileset(0);

        if(importedTileset->GetImage()->GetWidth() != tileSet.GetWxBitmap().GetWidth() ||
                importedTileset->GetImage()->GetHeight() != tileSet.GetWxBitmap().GetHeight())
        {
            gd::LogWarning(_("Tileset image size is not the same. Some tiles may not be rendered correctly."));
        }

        tileSet.tileSize.x = importedTileset->GetTileWidth();
        tileSet.tileSize.y = importedTileset->GetTileHeight();
        tileSet.tileSpacing.x = tileSet.tileSpacing.y = importedTileset->GetSpacing();

        if(importedTileset->GetMargin() > 0)
        {
            gd::LogWarning(_("Tilemap objects don't handle tilesets with margins around the images. Consider cutting the picture."));
        }

        gd::LogStatus(_("Tileset configuration importation completed."));
    }

    //Import the tilemap tiles if wanted
    if(importTileMap)
    {
        //Tilemap size
        if(tileMap.GetColumnsCount() != m_map->GetWidth() || tileMap.GetRowsCount() != m_map->GetHeight())
            gd::LogMessage(_("Tilemap size is different."));
        tileMap.SetSize(0, 0);
        tileMap.SetSize(m_map->GetWidth(), m_map->GetHeight());

        if(!importTileSetConf && !importTileSetImage)
            CheckTilesCount(tileSet);

        //Import layers and tiles
        if(m_map->GetNumTileLayers() > 3)
        {
            gd::LogWarning(_("There are more than 3 tiles layers. Only the 3 firsts will be imported."));
        }
        else if(m_map->GetNumTileLayers() < 3)
        {
            gd::LogMessage(_("There are less than 3 tiles layers. Upper layer(s) will be empty."));
        }

        for(std::size_t i = 0; i < std::min(3, m_map->GetNumTileLayers()); i++)
        {
//.........这里部分代码省略.........