/// <summary>
/// Reads all the libraries in a GM file reader stream.
/// </summary>
public static GMList <GMLibrary> ReadLibraries(GMFileReader reader)
{
// Create a new list of libraries.
GMList <GMLibrary> libraries = new GMList <GMLibrary>();
// Get number of libraries.
int num = reader.ReadGMInt();
// Read libraries.
for (int j = 0; j < num; j++)
{
// Create a new library.
GMLibrary library = new GMLibrary();
// Read the library code.
library.Code = reader.ReadGMString();
// Add the library.
libraries.Add(library);
}
// Return libraries.
return(libraries);
}
private MemoryStream _zipStream = null; // A zip stream used for decompressing data.
#endregion Fields
#region Methods
/// <summary>
/// Reads a Game Maker project file.
/// </summary>
public GMProject ReadProject(string filePath)
{
// Create a new stream decoder.
using (_reader = new BinaryReader(new FileStream(filePath, FileMode.Open, FileAccess.Read)))
{
// Create a new project.
GMProject project = new GMProject();
// Read the magic number.
int id = ReadInt();
// If the magic number was incorrect, not a Game Maker project file
if (id != 1234321)
throw new Exception("Not a valid Game Maker project file.");
// Get Game Maker project file version.
int version = ReadInt();
// Check version.
switch (version)
{
case 500: project.GameMakerVersion = GMVersionType.GameMaker50; break;
case 510: project.GameMakerVersion = GMVersionType.GameMaker51; break;
case 520: project.GameMakerVersion = GMVersionType.GameMaker52; break;
case 530: project.GameMakerVersion = GMVersionType.GameMaker53; break;
case 600: project.GameMakerVersion = GMVersionType.GameMaker60; break;
case 701: project.GameMakerVersion = GMVersionType.GameMaker70; break;
case 800: project.GameMakerVersion = GMVersionType.GameMaker80; break;
}
// Skip over reserved bytes.
if (version < 600)
ReadBytes(4);
// Game Maker 7 project file encryption.
if (version == 701)
{
// Bill and Fred, psssttt they like each other ;).
int bill = ReadInt();
int fred = ReadInt();
// Skip bytes to treasure.
ReadBytes(bill * 4);
// Get the seed for swap table.
int seed = ReadInt();
// Skip bytes to get out of the junk yard.
ReadBytes(fred * 4);
// Read first byte of Game id. (Not encrypted).
byte b = ReadByte();
// Set the seed.
SetSeed(seed);
// Read game id.
id = ReadInt(b);
}
else // Read game id normally.
id = ReadInt();
// Skip unknown bytes.
ReadBytes(16);
// Read main project objects.
project.Settings = ReadSettings();
project.Settings.GameIdentifier = id;
// If the version is greater than Game Maker 7.0.
if (version > 701)
{
// Read triggers and constants.
project.Triggers = ReadTriggers();
project.Settings.Constants = ReadConstants();
}
project.Sounds = ReadSounds();
project.Sprites = ReadSprites();
project.Backgrounds = ReadBackgrounds();
project.Paths = ReadPaths();
project.Scripts = ReadScripts();
// Get version.
int version2 = ReadInt();
// Check version.
if (version2 != 440 && version2 != 540 && version2 != 800)
throw new Exception("Unsupported Pre-Font/Pre-Data File object version.");
// If version is old, read data files else, read fonts.
if (version2 == 440)
project.DataFiles = ReadDataFiles();
else
project.Fonts = ReadFonts(version);
project.Timelines = ReadTimelines();
project.Objects = ReadObjects();
project.Rooms = ReadRooms(project.Objects);
// Read last ids for instances and tiles.
project.LastInstanceId = ReadInt();
project.LastTileId = ReadInt();
// If the version is above 6.1, read include files and packages.
if (version >= 700)
{
// Get include files.
project.Settings.Includes = ReadIncludes();
// Get packages.
project.Packages.AddRange(ReadPackages());
}
// Read game information.
project.GameInformation = ReadGameInformation();
// Get version.
version = ReadInt();
// Check version.
if (version != 500)
throw new Exception("Unsupported Post-Game Information object version.");
// Get number of libraries.
int libNum = ReadInt();
// Read libraries.
for (int j = 0; j < libNum; j++)
{
// Create a new library.
GMLibrary library = new GMLibrary();
// Read the library code.
library.Code = ReadString();
// Add the library.
project.Libraries.Add(library);
}
// Read project tree.
project.ProjectTree = ReadTree(filePath.Substring(filePath.LastIndexOf(@"\") + 1));
// Return the project.
return project;
}
}
