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Stream installer copy and raw extraction.

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This commit is contained in:
Paul Chote
2016-06-16 21:10:32 +01:00
parent 63782aad2e
commit f1758e9559
1 changed files with 31 additions and 14 deletions
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45
OpenRA.Mods.Common/Widgets/Logic/Installation/InstallFromDiscLogic.cs
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@@ -172,10 +172,18 @@ namespace OpenRA.Mods.Common.Widgets.Logic
}
Log.Write("install", "Copying {0} -> {1}".F(sourcePath, targetPath));
message = "Copying " + Path.GetFileName(sourcePath);
extracted.Add(targetPath);
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
File.Copy(sourcePath, targetPath);
using (var source = File.OpenRead(sourcePath))
using (var target = File.OpenWrite(targetPath))
{
var displayFilename = Path.GetFileName(targetPath);
var length = source.Length;
Action<long> onProgress = b => message = "Copying " + displayFilename + " ({0}%)".F(100 * b / length);
CopyStream(source, target, length, onProgress);
}
}
break;
@@ -226,6 +234,22 @@ namespace OpenRA.Mods.Common.Widgets.Logic
}).Start();
}
static void CopyStream(Stream input, Stream output, long length, Action<long> onProgress = null)
{
var buffer = new byte[4096];
var copied = 0L;
while (copied < length)
{
var read = (int)Math.Min(buffer.Length, length - copied);
var write = input.Read(buffer, 0, read);
output.Write(buffer, 0, write);
copied += write;
if (onProgress != null)
onProgress(copied);
}
}
enum ExtractionType { Raw, Blast }
static void ExtractFromPackage(ExtractionType type, string path, MiniYaml actionYaml, List<string> extractedFiles, Action<string> updateMessage)
@@ -258,27 +282,20 @@ namespace OpenRA.Mods.Common.Widgets.Logic
}
var length = FieldLoader.GetValue<int>("Length", lengthNode.Value.Value);
source.Position = FieldLoader.GetValue<int>("Offset", offsetNode.Value.Value);
extractedFiles.Add(targetPath);
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
var displayFilename = Path.GetFileName(Path.GetFileName(targetPath));
Action<long> onProgress = b => updateMessage("Extracting " + displayFilename + " ({0}%)".F(100 * b / length));
using (var target = File.OpenWrite(targetPath))
{
Log.Write("install", "Extracting {0} -> {1}".F(sourcePath, targetPath));
var displayFilename = Path.GetFileName(Path.GetFileName(targetPath));
if (type == ExtractionType.Blast)
{
Action<long, long> onProgress = (read, _) =>
updateMessage("Extracting " + displayFilename + " ({0}%)".F(100 * read / length));
Blast.Decompress(source, target, onProgress);
}
Blast.Decompress(source, target, (read, _) => onProgress(read));
else
{
updateMessage("Extracting " + displayFilename);
// This is a bit dumb memory-wise, but we load the whole thing when running the game anyway
target.Write(source.ReadBytes(length));
}
CopyStream(source, target, length, onProgress);
}
}
}