/// <summary>
/// Write a Game Maker GMX formatted background
/// </summary>
/// <param name="background">The given background to write</param>
/// <param name="directory">The room directory</param>
public static void WriteBackgroundGMX(GMBackground background, string directory)
{
// Write a single room
WriteBackgroundsGMX(new List <GMBackground>()
{
background
}, directory);
}
/// <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 backgrounds from a background XML file
/// </summary>
/// <param name="directory">The XML (.GMX) file path</param>
/// <param name="assets">A list of assets listed in the project GMX</param>
/// <returns>A GM background</returns>
public static GMList <GMBackground> ReadBackgroundsGMX(string directory, ref List <string> assets)
{
// A list of backgrounds
GMList <GMBackground> backgrounds = new GMList <GMBackground>();
backgrounds.AutoIncrementIds = false;
// Iterate through .gmx files in the directory
foreach (string file in Directory.GetFiles(directory, "*.gmx"))
{
// Set name of the background
string name = GetResourceName(file);
// If the file is not in the asset list, it has been orphaned, continue
if (!assets.Contains(name))
{
continue;
}
// Create a dictionary of room properties
Dictionary <string, string> properties = new Dictionary <string, string>();
foreach (GMXBackgroundProperty property in Enum.GetValues(typeof(GMXBackgroundProperty)))
{
properties.Add(GMXEnumString(property), "");
}
// Background image and texture group strings
GMImage image = null;
string textureGroup = GMXEnumString(GMXBackgroundProperty.TextureGroup);
string textureGroup0 = GMXEnumString(GMXBackgroundProperty.TextureGroup0);
// Create an XMLReader to read in the resource elements
using (XmlReader reader = XmlReader.Create(file))
{
// Move to a content node
reader.MoveToContent();
// Read XML file
while (reader.Read())
{
// If the node is not an element, continue
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
// Get the element name
string nodeName = reader.Name;
// Read
reader.Read();
// If the element value is null or empty, continue
if (string.IsNullOrEmpty(reader.Value))
{
continue;
}
// If the element is a frame element create subimage, else normal property
if (nodeName.ToLower() == GMXEnumString(GMXBackgroundProperty.Data))
{
// Create an image and set the image path
image = new GMImage();
image.Compressed = false;
image.FilePath = reader.Value;
image.Data = GMUtilities.LoadBytesFromBitmap(directory + "\\" + image.FilePath);
}
else
{
// Set the property value
properties[nodeName] = reader.Value;
}
}
}
// Create a new background and set its properties
GMBackground background = new GMBackground();
background.Id = GetIdFromName(name);
background.Name = name;
background.UseAsTileSet = GMXBool(properties[GMXEnumString(GMXBackgroundProperty.IsTileset)], background.UseAsTileSet);
background.TileWidth = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileWidth)], background.TileWidth);
background.TileHeight = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileHeight)], background.TileHeight);
background.HorizontalOffset = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileXOff)], background.HorizontalOffset);
background.VerticalOffset = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileYOff)], background.VerticalOffset);
background.HorizontalSeperation = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileHSep)], background.HorizontalSeperation);
background.VerticalSeperation = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.TileVSep)], background.VerticalSeperation);
background.TileHorizontally = GMXBool(properties[GMXEnumString(GMXBackgroundProperty.HTile)], background.TileHorizontally);
background.TileVertically = GMXBool(properties[GMXEnumString(GMXBackgroundProperty.VTile)], background.TileVertically);
background.UsedFor3D = GMXBool(properties[GMXEnumString(GMXBackgroundProperty.For3D)], background.UsedFor3D);
background.Width = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.Width)], background.Width);
background.Height = GMXInt(properties[GMXEnumString(GMXBackgroundProperty.Height)], background.Height);
properties[textureGroup] = properties[textureGroup] == "" ? "0" : properties[textureGroup];
properties[textureGroup0] = properties[textureGroup0] == "" ? "0" : properties[textureGroup0];
image.Width = background.Width;
image.Height = background.Height;
background.Image = image;
// The texture group does not equal zero set texture group 0 to the texture group value
if (properties[textureGroup] != "0")
{
properties[textureGroup0] = properties[textureGroup];
}
// The texture group zero does not equal zero set texture group to the texture group 0 value
else if (properties[textureGroup0] != "0")
{
properties[textureGroup] = properties[textureGroup0];
}
// Create a list of texture groups
List <int> textureGroups = new List <int>();
for (int i = 0; properties.ContainsKey(string.Concat(textureGroup, i)); i++)
{
textureGroups.Add(Convert.ToInt32(properties[string.Concat(textureGroup, i)]));
}
background.TextureGroups = textureGroups.ToArray();
// Add the background
backgrounds.Add(background);
}
// Return the list of backgrounds
return(backgrounds);
}
