// In this case, we make an asset reader for our ExampleAsset.
public static ExampleAsset ExampleAssetOf(IFileHandle file)
{
// Open a raw stream to the file
using var raw = file.OpenRead();
// Wrap it in a StreamReader, so we can read text
using var text = new StreamReader(raw);
// Iterate through each line in the file
string?line;
var lineNumber = 0;
while ((line = text.ReadLine()) != null)
{
const string selector = "> ";
++lineNumber;
// Ignore all lines without the selector
if (!line.StartsWith(selector))
{
continue;
}
// Trim off the selector
var selected = line.Substring(selector.Length);
// Return the trimmed line
return(new ExampleAsset
{
Line = lineNumber,
Message = selected
});
}
// Return an empty asset as a last resort
return(new ExampleAsset
{
Line = 0,
Message = string.Empty
});
}
/// <summary>
/// Loads a texture2D from the sent file. Source: https://stackoverflow.com/questions/1080442/how-to-convert-an-stream-into-a-byte-in-c
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static Texture2D LoadTexture(IFileHandle file)
{
// Load a PNG or JPG file from disk to a Texture2D
// Returns null if load fails
Stream fileStream = file.OpenRead();
MemoryStream mem = new MemoryStream();
CopyStream(fileStream, mem);
byte[] fileData = mem.ToArray();
Texture2D tex2D = new Texture2D(2, 2);
if (tex2D.LoadImage(fileData))
{
return(tex2D);
}
return(null);
}
public static void EnsureLegacyFolderExists(IFileHandle legacyManifest)
{
if (legacyManifest is null)
{
return;
}
var manifest = Path.Combine(Constants.LegacyLevelsDirectory, "manifest.json");
if (File.Exists(manifest))
{
return;
}
Directory.CreateDirectory(Constants.LegacyLevelsDirectory);
Directory.CreateDirectory(Path.Combine(Constants.LegacyLevelsDirectory, "TakeAndHold"));
Directory.CreateDirectory(Path.Combine(Constants.LegacyLevelsDirectory, "Other"));
var stream = legacyManifest.OpenRead();
var buffer = new byte[stream.Length];
stream.Read(buffer, 0, buffer.Length);
File.WriteAllBytes(manifest, buffer);
}
/// <inheritdoc cref="IFileHandle.OpenRead"/>
public Stream OpenRead()
{
this.ThrowIfDead();
return(_handle.OpenRead());
}