/// <summary>
/// Function to remove an item from the collection by index.
/// </summary>
/// <param name="provider">The provider to remove.</param>
protected override void RemoveItem(GorgonFileSystemProvider provider)
{
// Perform any special clean up.
provider.OnUnload();
// Remove any files attached to this provider.
var files = _fileSystem.FindFiles("*", true).Where(file => file.Provider == provider);
foreach (GorgonFileSystemFileEntry file in files)
{
file.Directory.Files.Remove(file);
}
base.RemoveItem(provider);
}
/// <summary>
/// Function to open the editor file.
/// </summary>
/// <param name="path">Path to the editor file.</param>
public static void Open(string path)
{
var packFileSystem = new GorgonFileSystem();
FileChanged = false;
// Add the new file system as a mount point.
var plugIns = from plugIn in Gorgon.PlugIns
where plugIn is GorgonFileSystemProviderPlugIn &&
!PlugIns.IsDisabled(plugIn)
select plugIn;
foreach (var plugIn in plugIns)
{
packFileSystem.Providers.LoadProvider(plugIn.Name);
}
if (!packFileSystem.Providers.Any(item => item.CanReadFile(path)))
{
throw new FileLoadException(string.Format(APIResources.GOREDIT_ERR_NO_READ_PROVIDERS,
Path.GetFileName(path)));
}
packFileSystem.Mount(path);
try
{
// Remove our previous scratch data.
ResetFile();
// At this point we should have a clean scratch area, so all files will exist in the packed file.
// Unpack the file structure so we can work with it.
var directories = packFileSystem.FindDirectories("*", true);
var files = packFileSystem.FindFiles("*", true);
// Create our directories.
foreach (var directory in directories)
{
ScratchArea.ScratchFiles.CreateDirectory(directory.FullPath);
}
// Copy our files.
foreach (var file in files)
{
using (var inputStream = packFileSystem.OpenStream(file, false))
{
using (var outputStream = ScratchArea.ScratchFiles.OpenStream(file.FullPath, true))
{
inputStream.CopyTo(outputStream);
}
}
}
FilePath = string.Empty;
Filename = Path.GetFileName(path);
// Load the meta data if it exists.
EditorMetaDataFile.Load();
// If we can't write the file, then leave the editor file path as blank.
// If the file path is blank, then the Save As function will be triggered if we attempt to save so we
// can save it in a format that we DO understand. This is of course assuming we have any plug-ins loaded
// that will allow us to save.
if (GetWriterPlugIn(path) != null)
{
FilePath = path;
}
}
catch
{
// We have a problem, reset whatever changes we've made.
ResetFile();
throw;
}
finally
{
// At this point we don't need this file system any more. We'll
// be using our scratch system instead.
packFileSystem.Clear();
}
}
/// <summary>
/// Function to copy the file system data from a file system file.
/// </summary>
/// <param name="fileSystemFile">The file system file to copy.</param>
/// <param name="provider">The provider to use.</param>
/// <param name="fileSystemDir">The workspace directory to copy the files into.</param>
/// <returns>The path to the metadata file.</returns>
private async Task <FileInfo> CopyFileSystemAsync(FileInfo fileSystemFile, IGorgonFileSystemProvider provider, DirectoryInfo fileSystemDir)
{
IGorgonFileSystem fileSystem = new GorgonFileSystem(provider, Program.Log);
fileSystem.Mount(fileSystemFile.FullName);
IGorgonVirtualFile metaData = fileSystem.GetFile(Path.Combine("/", CommonEditorConstants.EditorMetadataFileName));
// Get all directories and replicate them.
IEnumerable <IGorgonVirtualDirectory> directories = fileSystem.FindDirectories("/", "*")
.OrderBy(item => item.FullPath.Length);
foreach (IGorgonVirtualDirectory directory in directories)
{
var dirInfo = new DirectoryInfo(Path.Combine(fileSystemDir.FullName, directory.FullPath.FormatDirectory(Path.DirectorySeparatorChar).Substring(1)));
if (dirInfo.Exists)
{
continue;
}
dirInfo.Create();
}
// Copy all files into the directories we just created.
var files = fileSystem.FindFiles("/", "*")
.Where(item => item != metaData)
.OrderByDescending(item => item.Size)
.ToList();
int maxJobCount = (Environment.ProcessorCount * 2).Min(32).Max(1);
int filesPerJob = (int)((float)files.Count / maxJobCount).FastCeiling();
var jobs = new List <Task>();
if ((files.Count <= 100) || (maxJobCount < 2))
{
filesPerJob = files.Count;
}
Program.Log.Print($"Copying file system. {filesPerJob} files will be copied in a single job.", LoggingLevel.Verbose);
void CopyFile(FileCopyJob job)
{
foreach (IGorgonVirtualFile file in job.Files)
{
var fileInfo = new FileInfo(Path.Combine(fileSystemDir.FullName, file.Directory.FullPath.FormatDirectory(Path.DirectorySeparatorChar).Substring(1), file.Name));
using (Stream readStream = file.OpenStream())
using (Stream writeStream = fileInfo.OpenWrite())
{
readStream.CopyToStream(writeStream, (int)readStream.Length, job.ReadBuffer);
}
}
}
// Build up the tasks for our jobs.
while (files.Count > 0)
{
var jobData = new FileCopyJob();
// Copy the file information to the file copy job data.
int length = filesPerJob.Min(files.Count);
for (int i = 0; i < length; ++i)
{
jobData.Files.Add(files[i]);
}
files.RemoveRange(0, length);
jobs.Add(Task.Run(() => CopyFile(jobData)));
}
Program.Log.Print($"{jobs.Count} jobs running for file copy from '{fileSystemFile.FullName}'.", LoggingLevel.Verbose);
// Wait for the file copy to finish.
await Task.WhenAll(jobs);
var metaDataOutput = new FileInfo(Path.Combine(fileSystemDir.FullName, CommonEditorConstants.EditorMetadataFileName));
if (metaData == null)
{
Program.Log.Print($"'{fileSystemFile.FullName}' has no metadata. A new metadata index will be generated.", LoggingLevel.Verbose);
return(metaDataOutput);
}
Program.Log.Print($"'{fileSystemFile.FullName}' has metadata. Copying to the .", LoggingLevel.Verbose);
byte[] writeBuffer = new byte[81920];
using (Stream readStream = metaData.OpenStream())
using (Stream writeStream = metaDataOutput.OpenWrite())
{
readStream.CopyToStream(writeStream, (int)readStream.Length, writeBuffer);
}
metaDataOutput.Attributes = FileAttributes.Archive | FileAttributes.Normal;
metaDataOutput.Refresh();
return(metaDataOutput);
}
/// <summary>
/// Function to initialize the application.
/// </summary>
/// <returns>The main window for the application.</returns>
private static FormMain Initialize()
{
GorgonExample.ResourceBaseDirectory = new DirectoryInfo(Settings.Default.ResourceLocation);
GorgonExample.PlugInLocationDirectory = new DirectoryInfo(Settings.Default.PlugInLocation);
FormMain window = GorgonExample.Initialize(new DX.Size2(Settings.Default.Resolution.Width, Settings.Default.Resolution.Height), "Depth");
try
{
IReadOnlyList <IGorgonVideoAdapterInfo> videoDevices = GorgonGraphics.EnumerateAdapters(log: GorgonApplication.Log);
if (videoDevices.Count == 0)
{
throw new GorgonException(GorgonResult.CannotCreate,
"Gorgon requires at least a Direct3D 11.4 capable video device.\nThere is no suitable device installed on the system.");
}
// Find the best video device.
_graphics = new GorgonGraphics(videoDevices.OrderByDescending(item => item.FeatureSet).First());
_screen = new GorgonSwapChain(_graphics,
window,
new GorgonSwapChainInfo("Gorgon2D Depth Buffer Example")
{
Width = Settings.Default.Resolution.Width,
Height = Settings.Default.Resolution.Height,
Format = BufferFormat.R8G8B8A8_UNorm
});
_depthBuffer = GorgonDepthStencil2DView.CreateDepthStencil(_graphics, new GorgonTexture2DInfo(_screen.RenderTargetView)
{
Binding = TextureBinding.DepthStencil,
Format = BufferFormat.D24_UNorm_S8_UInt
});
// Tell the graphics API that we want to render to the "screen" swap chain.
_graphics.SetRenderTarget(_screen.RenderTargetView, _depthBuffer);
// Initialize the renderer so that we are able to draw stuff.
_renderer = new Gorgon2D(_graphics);
GorgonExample.LoadResources(_graphics);
// Load our packed file system plug in.
_assemblyCache = new GorgonMefPlugInCache(GorgonApplication.Log);
_assemblyCache.LoadPlugInAssemblies(GorgonExample.GetPlugInPath().FullName, "Gorgon.FileSystem.GorPack.dll");
IGorgonPlugInService plugIns = new GorgonMefPlugInService(_assemblyCache);
// Load the file system containing our application data (sprites, images, etc...)
IGorgonFileSystemProviderFactory providerFactory = new GorgonFileSystemProviderFactory(plugIns, GorgonApplication.Log);
IGorgonFileSystemProvider provider = providerFactory.CreateProvider("Gorgon.IO.GorPack.GorPackProvider");
IGorgonFileSystem fileSystem = new GorgonFileSystem(provider, GorgonApplication.Log);
// We can load the editor file system directly.
// This is handy for switching a production environment where your data may be stored
// as a compressed file, and a development environment where your data consists of loose
// files.
// fileSystem.Mount(@"D:\unpak\scratch\DeepAsAPuddle.gorPack\fs\");
// For now though, we'll load the packed file.
fileSystem.Mount(Path.Combine(GorgonExample.GetResourcePath(@"FileSystems").FullName, "Depth.gorPack"));
// Get our sprites. These make up the frames of animation for our Guy.
// If and when there's an animation editor, we'll only need to create a single sprite and load the animation.
IGorgonVirtualFile[] spriteFiles = fileSystem.FindFiles("/Sprites/", "*", true).ToArray();
// Load our sprite data (any associated textures will be loaded as well).
Dictionary <string, GorgonSprite> sprites = new Dictionary <string, GorgonSprite>(StringComparer.OrdinalIgnoreCase);
for (int i = 0; i < spriteFiles.Length; i++)
{
IGorgonVirtualFile file = spriteFiles[i];
(GorgonSprite sprite, GorgonTexture2D texture) = fileSystem.LoadSprite(_renderer, file.FullPath);
// The LoadSprite extension method will automatically find and load your associated texture if you're using
// a Gorgon editor file system. So it's important that you leep track of your textures, disposing of just
// the associated GorgonTexture2DView won't cut it here, so you'll need to dispose the actual texture resource
// when you're done with it.
if (!_textures.Contains(texture))
{
_textures.Add(texture);
}
// At super duper resolution, the example graphics would be really hard to see, so we'll scale them up.
sprite.Scale = new DX.Vector2((_screen.Width / (_screen.Height / 2)) * 2.0f);
sprites[file.Name] = sprite;
}
_snowTile = sprites["Snow"];
_snowTile.Depth = 0.5f;
_icicle = sprites["Icicle"];
_icicle.Depth = 0.2f;
_guySprite = sprites["Guy_Up_0"];
_guySprite.Depth = 0.1f;
_guyPosition = new DX.Vector2(_screen.Width / 2 + _guySprite.ScaledSize.Width * 1.25f, _screen.Height / 2 + _guySprite.ScaledSize.Height);
BuildAnimations(sprites);
}
finally
{
GorgonExample.EndInit();
}
return(window);
}