public GridMapLoader(string filePath, int mapID, int x, int y)
{
MapID = mapID;
X = x;
Y = y;
var file = Path.Combine(filePath, $"{MapID:D3}{y:D2}{x:D2}.map");
if (!(FileExists = File.Exists(file)))
{
return;
}
using (var reader = new BinaryReader(File.OpenRead(file)))
{
FileHeader = reader.Read <MapFileHeader>();
// if (header.AreaMapOffset != 0 && !LoadAreaData(reader, header.AreaMapOffset, header.AreaMapSize))
// throw new InvalidOperationException();
// if (FileHeader.LiquidMapOffset != 0 && !LoadLiquidData(reader, FileHeader.LiquidMapOffset, FileHeader.LiquidMapSize))
// throw new InvalidOperationException();
if (FileHeader.HeightMapOffset != 0 && !LoadHeightData(reader, FileHeader.HeightMapOffset, FileHeader.HeightMapSize))
{
throw new InvalidOperationException();
}
if (FileHeader.HolesOffset != 0 && !LoadHolesData(reader, FileHeader.HolesOffset, FileHeader.HolesSize))
{
throw new InvalidOperationException();
}
}
}
/**
* Opens the given map file, reads its header data and validates them.
*
* @param mapFile
* the map file.
* @return a FileOpenResult containing an error message in case of a failure.
* @throws ArgumentException
* if the given map file is null.
*/
public void OpenFile(FileInfo mapFile)
{
try {
if (mapFile == null)
{
throw new ArgumentException("mapFile must not be null", "mapFile");
}
// make sure to close any previously opened file first
CloseFile();
// check if the file exists and is readable
if (!mapFile.Exists)
{
throw new System.IO.InvalidDataException("file does not exist: " + mapFile);
}
// open the file in read only mode
this.inputFile = mapFile.OpenRead();
this.fileSize = this.inputFile.Length;
this.readBuffer = new BufferStream(this.inputFile);
this.mapFileHeader = new MapFileHeader();
this.mapFileHeader.ReadHeader(this.readBuffer, this.fileSize);
} catch (IOException e) {
// make sure that the file is closed
CloseFile();
throw new System.IO.InvalidDataException(e.Message);
}
}
private MapFile()
{
// only to create a dummy empty file.
databaseIndexCache = null;
fileSize = 0;
inputStream = null;
mapFileHeader = null;
timestamp = DateTime.Now;
}
private MapFile()
{
// only to create a dummy empty file.
databaseIndexCache = null;
fileSize = 0;
inputFile = null;
mapFileHeader = null;
readBuffer = null;
timestamp = DateTimeHelperClass.CurrentUnixTimeMillis();
}
private MapFile GenerateMapFile(CachedTagInstance scenarioTag, Blf mapInfo = null)
{
MapFile map = new MapFile();
var header = new MapFileHeader();
Scenario scnr;
using (var stream = CacheContext.OpenTagCacheRead())
{
var deserializer = new TagDeserializer(CacheContext.Version);
scnr = (Scenario)CacheContext.Deserialize(stream, scenarioTag);
}
map.Version = CacheContext.Version;
map.EndianFormat = EndianFormat.LittleEndian;
map.MapVersion = MapFileVersion.HaloOnline;
header.HeadTag = new Tag("head");
header.FootTag = new Tag("foot");
header.Version = (int)map.MapVersion;
header.Build = CacheVersionDetection.GetBuildName(CacheContext.Version);
switch (scnr.MapType)
{
case ScenarioMapType.MainMenu:
header.CacheType = CacheFileType.MainMenu;
break;
case ScenarioMapType.SinglePlayer:
header.CacheType = CacheFileType.Campaign;
break;
case ScenarioMapType.Multiplayer:
header.CacheType = CacheFileType.Multiplayer;
break;
}
header.SharedType = CacheFileSharedType.None;
header.MapId = scnr.MapId;
header.ScenarioTagIndex = scenarioTag.Index;
header.Name = scenarioTag.Name.Split('\\').Last();
header.ScenarioPath = scenarioTag.Name;
map.Header = header;
header.FileLength = 0x3390;
if (mapInfo != null)
{
if (mapInfo.ContentFlags.HasFlag(BlfFileContentFlags.StartOfFile) && mapInfo.ContentFlags.HasFlag(BlfFileContentFlags.EndOfFile) && mapInfo.ContentFlags.HasFlag(BlfFileContentFlags.Scenario))
{
map.MapFileBlf = mapInfo;
}
}
return(map);
}
/**
* Closes the map file and destroys all internal caches. Has no effect if no map file is currently opened.
*/
public void CloseFile()
{
this.mapFileHeader = null;
if (this.databaseIndexCache != null)
{
this.databaseIndexCache = null;
}
if (this.inputFile != null)
{
this.inputFile.Close();
this.inputFile = null;
}
this.readBuffer = null;
}
/// <summary>
/// Opens the given map file, reads its header data and validates them.
/// </summary>
/// <param name="mapFile"> the map file. </param>
/// <param name="language"> the language to use (may be null). </param>
/// <exception cref="MapFileException"> if the given map file is null or invalid. </exception>
public MapFile(IFile mapFile, string language) : base(language)
{
if (mapFile == null)
{
throw new MapFileException("mapFile must not be null");
}
try
{
// open the file in read only mode
try
{
this.inputFile = mapFile.OpenAsync(FileAccess.Read).Result;
if (this.inputFile == null)
{
throw new MapFileException("cannot read file: " + mapFile);
}
}
catch
{
throw new MapFileException("cannot read file: " + mapFile);
}
this.fileSize = this.inputFile.Length;
this.readBuffer = new ReadBuffer(this.inputFile);
this.mapFileHeader = new MapFileHeader();
this.mapFileHeader.ReadHeader(this.readBuffer, this.fileSize);
this.databaseIndexCache = new IndexCache(this.inputFile, INDEX_CACHE_SIZE);
// TODO: Find the creation date of file
this.timestamp = DateTimeHelperClass.CurrentUnixTimeMillis(); // mapFile.lastModified();
}
catch (Exception e)
{
LOGGER.Log(LogLevel.Fatal, e.Message, e);
// make sure that the file is closed
CloseFile();
throw new MapFileException(e.Message);
}
}
/// <summary>
/// Opens the given map file, reads its header data and validates them.
/// </summary>
/// <param name="stream"> the map file. </param>
/// <param name="language"> the language to use (may be null). </param>
/// <exception cref="MapFileException"> if the given map file is null or invalid. </exception>
public MapFile(Stream stream, string language)
{
this.preferredLanguage = language;
if (stream == null)
{
throw new MapFileException("map file must not be null");
}
this.inputStream = stream;
this.fileSize = this.inputStream.Length;
ReadBuffer readBuffer = new ReadBuffer(this.inputStream);
this.mapFileHeader = new MapFileHeader();
this.mapFileHeader.ReadHeader(readBuffer, this.fileSize);
this.databaseIndexCache = new IndexCache(this.inputStream, INDEX_CACHE_SIZE);
// TODO: Find the creation date of file
this.timestamp = DateTime.Now; // mapFile.lastModified();
}
public void GetTile()
{
// arrange
var names = Assembly.GetExecutingAssembly().GetManifestResourceNames();
var mapsforgeStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("mapsforge_tests.testdata.140.map");
var readBuffer = new ReadBuffer(mapsforgeStream);
var mapFileHeader = new MapFileHeader();
mapFileHeader.ReadHeader(readBuffer, mapsforgeStream.Length);
// assert
Assert.IsTrue(mapsforgeStream != null);
Assert.IsTrue(mapFileHeader.MapFileInfo.FileVersion == 3);
Assert.IsTrue(mapFileHeader.MapFileInfo.PoiTags.Length == 4);
Assert.IsTrue(mapFileHeader.MapFileInfo.PoiTags[0] == "place=village");
Assert.IsTrue(mapFileHeader.MapFileInfo.WayTags.Length == 18);
Assert.IsTrue(mapFileHeader.MapFileInfo.WayTags[0] == "natural=coastline");
// todo: read poi's and ways
}
