/// <summary>
/// Reads a Game Maker tree node recursively
/// </summary>
private static void ReadNodeRecursive(GMNode parent, GMFileReader reader)
{
// Iterate through child nodes
foreach (GMNode node in parent.Nodes)
{
// Read node data
node.NodeType = (GMNodeType)(reader.ReadGMInt());
node.ResourceType = (GMResourceType)(reader.ReadGMInt());
node.Id = reader.ReadGMInt();
node.Name = reader.ReadGMString();
node.Children = reader.ReadGMInt();
// If the node has child nodes
if (node.Children > 0)
{
// Create a new node array
node.Nodes = new GMNode[node.Children];
// Iterate through children
for (int i = 0; i < node.Children; i++)
{
// Add new node
node.Nodes[i] = new GMNode();
}
// Read in child nodes recursively
ReadNodeRecursive(node, reader);
}
}
}
/// <summary>
/// Reads game packages from GM file.
/// </summary>
public static GMPackage[] ReadPackages(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version
if (version != 700)
{
throw new Exception("Unsupported Extension object version.");
}
// Get the number of packages.
GMPackage[] packages = new GMPackage[reader.ReadGMInt()];
// Read packages.
for (int i = 0; i < packages.Length; i++)
{
// Create a new package.
GMPackage package = new GMPackage();
// Read package name.
package.Name = reader.ReadGMString();
// Set package.
packages[i] = package;
}
return(packages);
}
/// <summary>
/// Reads all data files from GM file reader stream.
/// </summary>
public static GMList <GMDataFile> ReadDataFiles(GMFileReader reader)
{
// Create a new list of data files.
GMList <GMDataFile> dataFiles = new GMList <GMDataFile>();
// Amount of data file ids.
int num = reader.ReadGMInt();
// Iterate through data files.
for (int i = 0; i < num; i++)
{
// If the data file at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
dataFiles.LastId++;
continue;
}
// Create a new data file object.
GMDataFile dataFile = new GMDataFile();
// Set data file id.
dataFile.Id = i;
// Read data file data.
dataFile.Name = reader.ReadGMString();
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 440)
{
throw new Exception("Unsupported Data File object version.");
}
// Read data file data.
dataFile.FileName = reader.ReadGMString();
// If data file exists, read it in.
if (reader.ReadGMBool())
{
dataFile.Data = reader.ReadGMBytes(reader.ReadGMInt());
}
// Read data file data.
dataFile.ExportMode = (ExportType)(reader.ReadGMInt());
dataFile.OverwriteFile = reader.ReadGMBool();
dataFile.FreeDataMemory = reader.ReadGMBool();
dataFile.RemoveAtGameEnd = reader.ReadGMBool();
// Add data file.
dataFiles.Add(dataFile);
}
// Return data files.
return(dataFiles);
}
/// <summary>
/// Reads game information from GM file.
/// </summary>
public static GMGameInformation ReadGameInformation(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 430 && version != 600 && version != 620 && version != 800)
{
throw new Exception("Unsupported Pre-Game Information object version.");
}
// Create new game information.
GMGameInformation gameInfo = new GMGameInformation();
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// Read game information data.
gameInfo.BackgroundColor = reader.ReadGMInt();
gameInfo.MimicGameWindow = reader.ReadGMBool();
// Check version.
if (version > 430)
{
// Read game information data.
gameInfo.FormCaption = reader.ReadGMString();
gameInfo.X = reader.ReadGMInt();
gameInfo.Y = reader.ReadGMInt();
gameInfo.Width = reader.ReadGMInt();
gameInfo.Height = reader.ReadGMInt();
gameInfo.ShowBorder = reader.ReadGMBool();
gameInfo.AllowResize = reader.ReadGMBool();
gameInfo.AlwaysOnTop = reader.ReadGMBool();
gameInfo.PauseGame = reader.ReadGMBool();
}
// If version is 8.0, get last changed.
if (version == 800)
{
gameInfo.LastChanged = reader.ReadGMDouble();
}
// Read game information data.
gameInfo.Information = reader.ReadGMString();
// End object inflate.
reader.EndDecompress();
// Return game information object.
return(gameInfo);
}
/// <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);
}
/// <summary>
/// Reads timelines from GM file.
/// </summary>
public static GMList <GMTimeline> ReadTimelines(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 500 && version != 800)
{
throw new Exception("Unsupported Pre-Timeline object version.");
}
// Create a new timeline list.
GMList <GMTimeline> timelines = new GMList <GMTimeline>();
// Amount of timeline ids.
int num = reader.ReadGMInt();
// Iterate through timelines
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// If the timeline at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
timelines.LastId++;
reader.EndDecompress();
continue;
}
// Create a new timeline object.
GMTimeline timeline = new GMTimeline();
// Set timeline id.
timeline.Id = i;
// Read timeline data.
timeline.Name = reader.ReadGMString();
// If version is 8.0, get last changed.
if (version == 800)
{
timeline.LastChanged = reader.ReadGMDouble();
}
// Get version.
int version2 = reader.ReadGMInt();
// Check version.
if (version2 != 500)
{
throw new Exception("Unsupported Timeline object version.");
}
// Get number of timeline moments.
timeline.Moments = new GMMoment[reader.ReadGMInt()];
// Iterate through moments.
for (int j = 0; j < timeline.Moments.Length; j++)
{
// Create a new timeline moment object.
GMMoment moment = new GMMoment();
// Moment step number
moment.StepIndex = reader.ReadGMInt();
// Read moment actions.
moment.Actions = GMAction.ReadActions(reader);
// Add moment to timeline.
timeline.Moments[j] = moment;
}
// End object inflate.
reader.EndDecompress();
// Add timeline.
timelines.Add(timeline);
}
// Return timelines.
return(timelines);
}
/// <summary>
/// Reads sprites from Game Maker project file.
/// </summary>
public static GMList <GMSprite> ReadSprites(GMFileReader reader)
{
// Get version
int version = reader.ReadGMInt();
// Check version
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Pre-Sprite object version.");
}
// Create a new list of sprites
GMList <GMSprite> sprites = new GMList <GMSprite>();
// Amount of sprite ids
int num = reader.ReadGMInt();
// Iterate through sprites
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate
if (version == 800)
{
reader.Decompress();
}
// If the sprite at index does not exists, continue
if (reader.ReadGMBool() == false)
{
sprites.LastId++;
reader.EndDecompress();
continue;
}
// Create a new sprite object
GMSprite sprite = new GMSprite();
// Set sprite id
sprite.Id = i;
// Read sprite data
sprite.Name = reader.ReadGMString();
// If version is 8.0, get last changed
if (version == 800)
{
sprite.LastChanged = reader.ReadGMDouble();
}
// Get version
version = reader.ReadGMInt();
// Check version
if (version != 400 && version != 542 && version != 800)
{
throw new Exception("Unsupported Sprite object version.");
}
// If less than version 8.0
if (version < 800)
{
// Read sprite data
sprite.Width = reader.ReadGMInt();
sprite.Height = reader.ReadGMInt();
sprite.BoundingBoxLeft = reader.ReadGMInt();
sprite.BoundingBoxRight = reader.ReadGMInt();
sprite.BoundingBoxBottom = reader.ReadGMInt();
sprite.BoundingBoxTop = reader.ReadGMInt();
sprite.Transparent = reader.ReadGMBool();
// Check version
if (version > 400)
{
// Read sprite data
sprite.SmoothEdges = reader.ReadGMBool();
sprite.Preload = reader.ReadGMBool();
}
// Read sprite data
sprite.BoundingBoxMode = reader.ReadGMInt();
sprite.Precise = reader.ReadGMBool();
// Check version
if (version == 400)
{
// Read sprtie data
sprite.UseVideoMemory = reader.ReadGMBool();
sprite.LoadOnlyOnUse = reader.ReadGMBool();
}
// Read sprite data
sprite.OriginX = reader.ReadGMInt();
sprite.OriginY = reader.ReadGMInt();
// Sprite number of sub images
sprite.SubImages = new GMImage[reader.ReadGMInt()];
// Iterate through sub-images
for (int j = 0; j < sprite.SubImages.Length; j++)
{
// If the sub-image at index does not exists, continue
if (reader.ReadGMInt() == -1)
{
continue;
}
// Create a new image object
GMImage image = new GMImage();
// Get size of image data
int size = reader.ReadGMInt();
// Get image data
image.Data = reader.ReadGMBytes(size);
// Insert compressed image data
sprite.SubImages[j] = image;
}
}
else
{
// Read sprite data
sprite.OriginX = reader.ReadGMInt();
sprite.OriginY = reader.ReadGMInt();
// Sprite number of sub images
sprite.SubImages = new GMImage[reader.ReadGMInt()];
// Iterate through sub-images
for (int j = 0; j < sprite.SubImages.Length; j++)
{
// Get version.
version = reader.ReadGMInt();
// Check version
if (version != 800)
{
throw new Exception("Unsupported Sprite object version.");
}
// Get width and height of image
int width = reader.ReadGMInt();
int height = reader.ReadGMInt();
// If the sprite size is not zero
if (width != 0 && height != 0)
{
// Create a new image object
GMImage image = new GMImage();
image.Compressed = false;
// Set image data
image.Width = width;
image.Height = height;
// Get size of image data
int size = reader.ReadGMInt();
// Get image data
image.Data = reader.ReadGMBytes(size);
// Insert compressed image data
sprite.SubImages[j] = image;
}
}
// Read sprite data
sprite.ShapeMode = reader.ReadGMInt();
sprite.AlphaTolerance = reader.ReadGMInt();
sprite.UseSeperateCollisionMasks = reader.ReadGMBool();
sprite.BoundingBoxMode = reader.ReadGMInt();
sprite.BoundingBoxLeft = reader.ReadGMInt();
sprite.BoundingBoxRight = reader.ReadGMInt();
sprite.BoundingBoxBottom = reader.ReadGMInt();
sprite.BoundingBoxTop = reader.ReadGMInt();
}
// End object inflate
reader.EndDecompress();
// Add sprite
sprites.Add(sprite);
}
// Return sprites
return(sprites);
}
/// <summary>
/// Reads a Game Maker project file
/// </summary>
public void ReadProject(string file)
{
// If the file does not exist, throw exception
if (File.Exists(file) == false)
{
throw new Exception("The Game Maker project file does not exist.");
}
// Get file extension
string ext = file.Substring(file.LastIndexOf('.')).ToLower();
// If a GMS project file
if (ext == ".gmx")
{
// Read in the project as a Game Maker Studio project and return
ReadProjectGMS(file);
return;
}
// Get file size
FileInfo info = new FileInfo(file);
long length = info.Length;
// Create a new GM file reader
using (GMFileReader reader = new GMFileReader(new FileStream(file, FileMode.Open, FileAccess.Read)))
{
// Progress event
ProgressChanged("Starting project read...", reader.BaseStream.Position, length);
// Read the magic number
int id = reader.ReadGMInt();
// 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 = reader.ReadGMInt();
// Check version
switch (version)
{
case 500: this.GameMakerVersion = GMVersionType.GameMaker50; break;
case 510: this.GameMakerVersion = GMVersionType.GameMaker51; break;
case 520: this.GameMakerVersion = GMVersionType.GameMaker52; break;
case 530: this.GameMakerVersion = GMVersionType.GameMaker53; break;
case 600: this.GameMakerVersion = GMVersionType.GameMaker60; break;
case 701: this.GameMakerVersion = GMVersionType.GameMaker70; break;
case 800: this.GameMakerVersion = GMVersionType.GameMaker80; break;
case 810: this.GameMakerVersion = GMVersionType.GameMaker81; break;
}
// Skip over reserved bytes
if (version < 600)
{
reader.ReadGMBytes(4);
}
// Game Maker 7 project file encryption
if (version == 701)
{
// Bill and Fred, psssttt they like each other ;)
int bill = reader.ReadGMInt();
int fred = reader.ReadGMInt();
// Skip bytes to treasure.
reader.ReadGMBytes(bill * 4);
// Get the seed for swap table
int seed = reader.ReadGMInt();
// Skip bytes to get out of the junk yard
reader.ReadGMBytes(fred * 4);
// Read first byte of Game id (Not encrypted)
byte b = reader.ReadByte();
// Set the seed
reader.SetSeed(seed);
// Read game id
id = reader.ReadGMInt(b);
}
else // Read game id normally
{
id = reader.ReadGMInt();
}
// Skip unknown bytes
reader.ReadGMBytes(16);
// Read settings
ProgressChanged("Reading Settings...", reader.BaseStream.Position, length);
// Read main project objects
this.Settings = GMSettings.ReadSettings(reader);
this.Settings.GameIdentifier = id;
// If the version is greater than Game Maker 7.0
if (version > 701)
{
// Read triggers and constants.
this.Triggers = GMTrigger.ReadTriggers(reader);
this.Settings.Constants = GMConstant.ReadConstants(reader);
}
// Read sounds
ProgressChanged("Reading Sounds...", reader.BaseStream.Position, length);
this.Sounds = GMSound.ReadSounds(reader);
// Read sprites
ProgressChanged("Reading Sprites...", reader.BaseStream.Position, length);
this.Sprites = GMSprite.ReadSprites(reader);
// Read backgrounds
ProgressChanged("Reading Backgrounds...", reader.BaseStream.Position, length);
this.Backgrounds = GMBackground.ReadBackgrounds(reader);
// Read paths
ProgressChanged("Reading Paths...", reader.BaseStream.Position, length);
this.Paths = GMPath.ReadPaths(reader);
// Read scripts
ProgressChanged("Reading Scripts...", reader.BaseStream.Position, length);
this.Scripts = GMScript.ReadScripts(reader);
// Get version
int version2 = reader.ReadGMInt();
// 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)
{
// Read data files
ProgressChanged("Reading Data Files...", reader.BaseStream.Position, length);
this.DataFiles = GMDataFile.ReadDataFiles(reader);
}
else
{
// Read fonts
ProgressChanged("Reading Fonts...", reader.BaseStream.Position, length);
this.Fonts = GMFont.ReadFonts(version2, reader);
}
// Read timelines
ProgressChanged("Reading Timelines...", reader.BaseStream.Position, length);
this.Timelines = GMTimeline.ReadTimelines(reader);
// Read objects
ProgressChanged("Reading Objects...", reader.BaseStream.Position, length);
this.Objects = GMObject.ReadObjects(reader);
// Read rooms
ProgressChanged("Reading Rooms...", reader.BaseStream.Position, length);
this.Rooms = GMRoom.ReadRooms(this.Objects, reader);
// Read last ids for instances and tiles
this.LastInstanceId = reader.ReadGMInt();
this.LastTileId = reader.ReadGMInt();
// If the version is above 6.1, read include files and packages
if (version >= 700)
{
// Read includes
ProgressChanged("Reading Includes...", reader.BaseStream.Position, length);
this.Settings.Includes = GMInclude.ReadIncludes(reader);
// Read packages
ProgressChanged("Reading Packages...", reader.BaseStream.Position, length);
this.Packages.AddRange(GMPackage.ReadPackages(reader));
}
// Read game information
ProgressChanged("Reading Game Information...", reader.BaseStream.Position, length);
this.GameInformation = GMGameInformation.ReadGameInformation(reader);
// Get version
version = reader.ReadGMInt();
// Check version
if (version != 500)
{
throw new Exception("Unsupported Post-Game Information object version.");
}
// Read libraries
ProgressChanged("Reading Libraries...", reader.BaseStream.Position, length);
this.Libraries = GMLibrary.ReadLibraries(reader);
// Read project tree
ProgressChanged("Reading Project Tree...", reader.BaseStream.Position, length);
this.ProjectTree = GMNode.ReadTree(file.Substring(file.LastIndexOf(@"\") + 1), reader);
// Progress event
ProgressChanged("Finished Reading Project.", reader.BaseStream.Position, length);
}
}
/// <summary>
/// Reads all sounds from Game Maker project file stream.
/// </summary>
public static GMList <GMSound> ReadSounds(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Pre-Sound object version.");
}
// Create a new sound list.
GMList <GMSound> sounds = new GMList <GMSound>();
// Amount of sound ids.
int num = reader.ReadGMInt();
// Iterate through sounds.
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// If the sound at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
sounds.LastId++;
reader.EndDecompress();
continue;
}
// Create sound object.
GMSound sound = new GMSound();
// Set sound id.
sound.Id = i;
// Read sound data.
sound.Name = reader.ReadGMString();
// If version is 8.0, get last changed.
if (version == 800)
{
sound.LastChanged = reader.ReadGMDouble();
}
// Get version.
version = reader.ReadGMInt();
// Check version.
if (version != 440 && version != 600 && version != 800)
{
throw new Exception("Unsupported Sound object version.");
}
// Check version.
if (version == 440)
{
sound.Kind = reader.ReadGMInt();
}
else
{
// Read sound data.
sound.Type = reader.ReadGMInt();
}
// Read sound data.
sound.FileType = reader.ReadGMString();
// Check version.
if (version == 440)
{
// If sound data exists, read it.
if ((int)sound.Kind != -1)
{
sound.Data = reader.ReadGMBytes(reader.ReadGMInt());
}
// Read sound data.
sound.AllowSoundEffects = reader.ReadGMBool();
sound.Buffers = reader.ReadGMInt();
sound.LoadOnlyOnUse = reader.ReadGMBool();
}
else
{
// Read sound data.
sound.FileName = reader.ReadGMString();
// If sound data exists, read it.
if (reader.ReadGMBool() == true)
{
sound.Data = reader.ReadGMBytes(reader.ReadGMInt());
}
// Read sound data.
sound.Effects = reader.ReadGMInt();
sound.Volume = reader.ReadGMDouble();
sound.Pan = reader.ReadGMDouble();
sound.Preload = reader.ReadGMBool();
}
// End object inflate.
reader.EndDecompress();
// Add sound.
sounds.Add(sound);
}
// Return sounds.
return(sounds);
}
/// <summary>
/// Reads all fonts from a GM file reader stream.
/// </summary>
public static GMList <GMFont> ReadFonts(int version, GMFileReader reader)
{
// Create a new list of fonts.
GMList <GMFont> fonts = new GMList <GMFont>();
// Amount of font ids.
int num = reader.ReadGMInt();
// Iterate through fonts.
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// If the font at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
fonts.LastId++;
reader.EndDecompress();
continue;
}
// Create a new font object.
GMFont font = new GMFont();
// Set font id.
font.Id = i;
// Read font data.
font.Name = reader.ReadGMString();
// If version is 8.0, get last changed.
if (version == 800)
{
font.LastChanged = reader.ReadGMDouble();
}
// Get version.
version = reader.ReadGMInt();
// Check version.
if (version != 540 && version != 800)
{
throw new Exception("Unsupported Font object version.");
}
// Read font data.
font.FontName = reader.ReadGMString();
font.Size = reader.ReadGMInt();
font.Bold = reader.ReadGMBool();
font.Italic = reader.ReadGMBool();
font.CharacterRangeMin = reader.ReadGMShort();
font.CharacterSet = reader.ReadGMByte();
font.AntiAliasing = reader.ReadGMByte();
font.CharacterRangeMax = reader.ReadGMInt();
// End object inflate.
reader.EndDecompress();
// Add font.
fonts.Add(font);
}
// Return fonts.
return(fonts);
}
/// <summary>
/// Reads an object Tree from a GM file reader stream
/// </summary>
public static GMNode ReadTree(string name, GMFileReader reader)
{
// Get version
int version = reader.ReadGMInt();
// Check version
if (version != 500 && version != 540 && version != 700)
{
throw new Exception("Unsupported Project Tree object version.");
}
// Room execution Order
reader.ReadGMBytes(reader.ReadGMInt() * 4);
// Set the number of main resource nodes
int rootNum = (version > 540) ? 12 : 11;
// Create a project node
GMNode projectTree = new GMNode();
projectTree.Nodes = new GMNode[rootNum];
projectTree.Name = name;
projectTree.NodeType = GMNodeType.Parent;
projectTree.Children = projectTree.Nodes.Length;
// Iterate through Game Maker project root nodes
for (int i = 0; i < rootNum; i++)
{
// Create new node
GMNode node = new GMNode();
// Read node data
node.NodeType = (GMNodeType)(reader.ReadGMInt());
node.ResourceType = (GMResourceType)(reader.ReadGMInt());
node.Id = reader.ReadGMInt();
node.Name = reader.ReadGMString();
node.Children = reader.ReadGMInt();
// If there is at least one child node
if (node.Children > 0)
{
// Create a new node array
node.Nodes = new GMNode[node.Children];
// Iterate through children
for (int j = 0; j < node.Children; j++)
{
// Add new node
node.Nodes[j] = new GMNode();
}
// Read in child nodes recursively
ReadNodeRecursive(node, reader);
}
// Add new main node
projectTree.Nodes[i] = node;
}
// Return project tree
return(projectTree);
}
/// <summary>
/// Reads all backgrounds from a GM file reader
/// </summary>
public static GMList <GMBackground> ReadBackgrounds(GMFileReader reader)
{
// Get version
int version = reader.ReadGMInt();
// Check version
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Pre-Background object version.");
}
// Create a new list of backgrounds
GMList <GMBackground> backgrounds = new GMList <GMBackground>();
// Amount of background ids
int num = reader.ReadGMInt();
// Iterate through backgrounds
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate
if (version == 800)
{
reader.Decompress();
}
// If the background at index does not exists, continue
if (reader.ReadGMBool() == false)
{
backgrounds.LastId++;
reader.EndDecompress();
continue;
}
// Create a new background object
GMBackground background = new GMBackground();
// Set background id
background.Id = i;
// Get background data
background.Name = reader.ReadGMString();
// If version is 8.0, get last changed
if (version == 800)
{
background.LastChanged = reader.ReadGMDouble();
}
// Get version
version = reader.ReadGMInt();
// Check version
if (version != 400 && version != 543 && version != 710)
{
throw new Exception("Unsupported Background object version.");
}
// If version is less than 7.1
if (version < 710)
{
// Background data
background.Width = reader.ReadGMInt();
background.Height = reader.ReadGMInt();
background.Transparent = reader.ReadGMBool();
// Check version
if (version > 400)
{
// Read background data
background.SmoothEdges = reader.ReadGMBool();
background.Preload = reader.ReadGMBool();
background.UseAsTileSet = reader.ReadGMBool();
background.TileWidth = reader.ReadGMInt();
background.TileHeight = reader.ReadGMInt();
background.HorizontalOffset = reader.ReadGMInt();
background.VerticalOffset = reader.ReadGMInt();
background.HorizontalSeperation = reader.ReadGMInt();
background.VerticalSeperation = reader.ReadGMInt();
}
else
{
// Read background data
background.UseVideoMemory = reader.ReadGMBool();
background.LoadOnlyOnUse = reader.ReadGMBool();
}
// If image data exists
if (reader.ReadGMBool())
{
// If pixel data does not exist
if (reader.ReadGMInt() == -1)
{
continue;
}
// Create a new image
GMImage image = new GMImage();
// Set image data
image.Width = background.Width;
image.Height = background.Height;
// Get size of image data
int size = reader.ReadGMInt();
// Get compressed image data
image.Data = reader.ReadGMBytes(size);
// Set background image
background.Image = image;
}
}
else
{
// Get background data
background.UseAsTileSet = reader.ReadGMBool();
background.TileWidth = reader.ReadGMInt();
background.TileHeight = reader.ReadGMInt();
background.HorizontalOffset = reader.ReadGMInt();
background.VerticalOffset = reader.ReadGMInt();
background.HorizontalSeperation = reader.ReadGMInt();
background.VerticalSeperation = reader.ReadGMInt();
// Get version
version = reader.ReadGMInt();
// Check version
if (version != 800)
{
throw new Exception("Unsupported Background object version.");
}
// Get image data
background.Width = reader.ReadGMInt();
background.Height = reader.ReadGMInt();
// If the sprite size is not zero
if (background.Width != 0 && background.Height != 0)
{
// Create a new image object
GMImage image = new GMImage();
image.Compressed = false;
// Set image data
image.Width = background.Width;
image.Height = background.Height;
// Get size of image data
int size = reader.ReadGMInt();
// Get image data
image.Data = reader.ReadGMBytes(size);
// Insert compressed image data
background.Image = image;
}
}
// End object inflate
reader.EndDecompress();
// Add background
backgrounds.Add(background);
}
// Return backgrounds
return(backgrounds);
}
/// <summary>
/// Reads all actions from a GM file reader stream.
/// </summary>
public static GMAction[] ReadActions(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 400)
{
throw new Exception("Unsupported Pre-Action object version.");
}
// Create an array of actions.
GMAction[] actions = new GMAction[reader.ReadGMInt()];
// Iterate through actions.
for (int i = 0; i < actions.Length; i++)
{
// Create new action
actions[i] = new GMAction();
// Get version.
version = reader.ReadGMInt();
// Check version.
if (version != 440)
{
throw new Exception("Unsupported Action object version.");
}
// Get action properties.
actions[i].LibraryId = reader.ReadGMInt();
actions[i].ActionId = reader.ReadGMInt();
actions[i].ActionKind = reader.ReadGMInt();
actions[i].AllowRelative = reader.ReadGMBool();
actions[i].Question = reader.ReadGMBool();
actions[i].CanApplyTo = reader.ReadGMBool();
actions[i].ExecuteMode = reader.ReadGMInt();
// If the execute mode is a prefabbed function.
if (actions[i].ExecuteMode == (int)ExecutionType.Function)
{
actions[i].ExecuteCode = reader.ReadGMString();
}
else
{
reader.ReadGMBytes(reader.ReadGMInt());
}
// If the execute mode is a script.
if (actions[i].ExecuteMode == (int)ExecutionType.Code)
{
actions[i].ExecuteCode = reader.ReadGMString();
}
else
{
reader.ReadGMBytes(reader.ReadGMInt());
}
// Create an array of arguments.
actions[i].Arguments = new GMArgument[reader.ReadGMInt()];
// Number of argument types.
int[] argTypes = new int[reader.ReadGMInt()];
// Iterate through argument types
for (int j = 0; j < argTypes.Length; j++)
{
// Read in argument type.
argTypes[j] = reader.ReadGMInt();
}
// Read action data.
actions[i].AppliesTo = reader.ReadGMInt();
actions[i].Relative = reader.ReadGMBool();
// Get actual number of arguments, most likely 8.
int argsNum = reader.ReadGMInt();
// Iterate through argument types.
for (int k = 0; k < argsNum; k++)
{
// If the index is greater than or equal to the number of arguments, continue.
if (k >= actions[i].Arguments.Length)
{
reader.ReadGMBytes(reader.ReadGMInt());
continue;
}
// Create a new argument object.
actions[i].Arguments[k] = new GMArgument();
// Set what kind of argument.
actions[i].Arguments[k].Type = argTypes[k];
// Resource value.
actions[i].Arguments[k].Value = reader.ReadGMString();
}
// If not checkbox has been checked.
actions[i].Not = reader.ReadGMBool();
}
// Return action object.
return(actions);
}
/// <summary>
/// Reads all paths from a GM file reader stream.
/// </summary>
public static GMList <GMPath> ReadPaths(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 420 && version != 800)
{
throw new Exception("Unsupported Pre-Path object version.");
}
// Create a new list of paths.
GMList <GMPath> paths = new GMList <GMPath>();
// Amount of path indexes.
int num = reader.ReadGMInt();
// Iterate through paths.
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// If the path at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
paths.LastId++;
reader.EndDecompress();
continue;
}
// Create a new path object.
GMPath path = new GMPath();
// Set path id.
path.Id = i;
// Read path data.
path.Name = reader.ReadGMString();
// If version is 8.0, get last changed.
if (version == 800)
{
path.LastChanged = reader.ReadGMDouble();
}
// Get version.
int version2 = reader.ReadGMInt();
// Check version.
if (version2 != 420 && version2 != 530)
{
throw new Exception("Unsupported Path object version.");
}
// Check version.
if (version2 > 420)
{
// Read path data.
path.Smooth = reader.ReadGMBool();
path.Closed = reader.ReadGMBool();
path.Precision = reader.ReadGMInt();
path.RoomId = reader.ReadGMInt();
path.SnapX = reader.ReadGMInt();
path.SnapY = reader.ReadGMInt();
}
else
{
// Read path data.
path.Smooth = reader.ReadGMBool();
path.ActionAtTheEnd = (ActionAtTheEnd)reader.ReadGMInt();
reader.ReadGMBytes(4);
}
// Number of path points.
path.Points = new GMPoint[reader.ReadGMInt()];
// Iterate through path points.
for (int j = 0; j < path.Points.Length; j++)
{
// Create a new point.
GMPoint point = new GMPoint();
// Read point data.
point.X = reader.ReadGMDouble();
point.Y = reader.ReadGMDouble();
point.Speed = reader.ReadGMDouble();
// Set point.
path.Points[j] = point;
}
// End object inflate.
reader.EndDecompress();
// Add path.
paths.Add(path);
}
// Return paths.
return(paths);
}
/// <summary>
/// Reads all scripts from a GM file reader stream.
/// </summary>
public static GMList <GMScript> ReadScripts(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Pre-Script object version.");
}
// Create a new list of scripts.
GMList <GMScript> scripts = new GMList <GMScript>();
// Amount of script ids.
int num = reader.ReadGMInt();
// Iterate through scripts.
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate.
if (version == 800)
{
reader.Decompress();
}
// If the script at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
scripts.LastId++;
reader.EndDecompress();
continue;
}
// Create a new script object.
GMScript script = new GMScript();
// Set script id.
script.Id = i;
// Read script data.
script.Name = reader.ReadGMString();
// If version is 8.0, get last changed.
if (version == 800)
{
script.LastChanged = reader.ReadGMDouble();
}
// Get version.
version = reader.ReadGMInt();
// Check version.
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Script object version.");
}
// Read script data.
script.Code = reader.ReadGMString();
// End object inflate.
reader.EndDecompress();
// Add script.
scripts.Add(script);
}
// Return scripts.
return(scripts);
}
/// <summary>
/// Reads all triggers from GM file reader stream.
/// </summary>
public static GMList <GMTrigger> ReadTriggers(GMFileReader reader)
{
// Get version.
int version = reader.ReadGMInt();
// Check version.
if (version != 800)
{
throw new Exception("Unsupported Pre-Trigger object version.");
}
// Create a new trigger list.
GMList <GMTrigger> triggers = new GMList <GMTrigger>();
// Amount of trigger ids.
int num = reader.ReadGMInt();
// Iterate through triggers.
for (int i = 0; i < num; i++)
{
// Start inflate.
reader.Decompress();
// If the trigger at index does not exists, continue.
if (reader.ReadGMBool() == false)
{
triggers.LastId++;
reader.EndDecompress();
continue;
}
// Get version.
version = reader.ReadGMInt();
// Check version.
if (version != 800)
{
throw new Exception("Unsupported trigger object version.");
}
// Create a new trigger.
GMTrigger trigger = new GMTrigger();
// Read trigger data.
trigger.Name = reader.ReadGMString();
trigger.Condition = reader.ReadGMString();
trigger.Moment = (MomentType)reader.ReadGMInt();
trigger.Constant = reader.ReadGMString();
// End object inflate.
reader.EndDecompress();
// Add trigger.
triggers.Add(trigger);
}
// Get last changed.
GMTrigger.TriggerLastChanged = reader.ReadGMDouble();
// Return triggers.
return(triggers);
}
/// <summary>
/// Reads objects from GM file
/// </summary>
public static GMList <GMObject> ReadObjects(GMFileReader reader)
{
// Get version
int version = reader.ReadGMInt();
// Check version
if (version != 400 && version != 800)
{
throw new Exception("Unsupported Pre-Object object version.");
}
// The number of objects
GMList <GMObject> objects = new GMList <GMObject>();
// Amount of object ids
int num = reader.ReadGMInt();
// Iterate through objects
for (int i = 0; i < num; i++)
{
// If version is 8.0, start inflate
if (version == 800)
{
reader.Decompress();
}
// If the object at index does not exists, continue
if (reader.ReadGMBool() == false)
{
objects.LastId++;
reader.EndDecompress();
continue;
}
// Create a new script object
GMObject obj = new GMObject();
// Set script id
obj.Id = i;
// Read script data.
obj.Name = reader.ReadGMString();
// If version is 8.0, get last changed
if (version == 800)
{
obj.LastChanged = reader.ReadGMDouble();
}
// Get version
int version2 = reader.ReadGMInt();
// Check version
if (version2 != 430)
{
throw new Exception("Unsupported Object object version.");
}
// Read object data
obj.SpriteId = reader.ReadGMInt();
obj.Solid = reader.ReadGMBool();
obj.Visible = reader.ReadGMBool();
obj.Depth = reader.ReadGMInt();
obj.Persistent = reader.ReadGMBool();
obj.Parent = reader.ReadGMInt();
obj.Mask = reader.ReadGMInt();
// Skip data
reader.ReadGMBytes(4);
// The amount of main event types
int amount = 11;
// If version 8.0, there are 12 main event types
if (version == 800)
{
amount = 12;
}
// Iterate through events
for (int j = 0; j < amount; j++)
{
// Not done processing
bool done = false;
// While not done processing events
while (!done)
{
// Check for event
int eventNum = reader.ReadGMInt();
// If the event exists
if (eventNum != -1)
{
// Create new event
GMEvent ev = new GMEvent();
// Set type of event
ev.MainType = j;
// If a collision type of event set other object id
if (ev.MainType == (int)EventType.Collision)
{
ev.OtherId = eventNum;
}
else
{
ev.SubType = eventNum;
}
// Read event actions
ev.Actions = GMAction.ReadActions(reader);
// Add new event
obj.Events[j].Add(ev);
}
else
{
done = true;
}
}
}
// End object inflate
reader.EndDecompress();
// Add object to list
objects.Add(obj);
}
// Return objects
return(objects);
}
