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Add encoding and import support

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This commit is contained in:
Dean Herbert
2020-03-24 14:13:46 +09:00
parent 68ebe98fde
commit 022465f546
9 changed files with 220 additions and 18 deletions
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91
osu.Game/Scoring/Legacy/LegacyScoreEncoder.cs
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@ -3,6 +3,14 @@
using System;
using System.IO;
using System.Linq;
using System.Text;
using osu.Framework.Extensions;
using osu.Game.Beatmaps;
using osu.Game.IO.Legacy;
using osu.Game.Replays.Legacy;
using osu.Game.Rulesets.Replays.Types;
using SharpCompress.Compressors.LZMA;
namespace osu.Game.Scoring.Legacy
{
@ -11,25 +19,96 @@ namespace osu.Game.Scoring.Legacy
public const int LATEST_VERSION = 128;
private readonly Score score;
private readonly IBeatmap beatmap;
public LegacyScoreEncoder(Score score)
public LegacyScoreEncoder(Score score, IBeatmap beatmap)
{
this.score = score;
this.beatmap = beatmap;
if (score.ScoreInfo.Beatmap.RulesetID < 0 || score.ScoreInfo.Beatmap.RulesetID > 3)
throw new ArgumentException("Only scores in the osu, taiko, catch, or mania rulesets can be encoded to the legacy score format.", nameof(score));
}
public void Encode(TextWriter writer)
public void Encode(Stream stream)
{
writer.WriteLine($"osu file format v{LATEST_VERSION}");
using (SerializationWriter sw = new SerializationWriter(stream))
{
sw.Write((byte)score.ScoreInfo.RulesetID);
sw.Write(LATEST_VERSION);
sw.Write(score.ScoreInfo.Beatmap.MD5Hash);
sw.Write(score.ScoreInfo.UserString);
sw.Write($"lazer-{score.ScoreInfo.UserString}-{score.ScoreInfo.Date}".ComputeMD5Hash());
sw.Write((ushort)(score.ScoreInfo.GetCount300() ?? 0));
sw.Write((ushort)(score.ScoreInfo.GetCount100() ?? 0));
sw.Write((ushort)(score.ScoreInfo.GetCount50() ?? 0));
sw.Write((ushort)(score.ScoreInfo.GetCountGeki() ?? 0));
sw.Write((ushort)(score.ScoreInfo.GetCountKatu() ?? 0));
sw.Write((ushort)(score.ScoreInfo.GetCountMiss() ?? 0));
sw.Write((int)(score.ScoreInfo.TotalScore));
sw.Write((ushort)score.ScoreInfo.MaxCombo);
sw.Write(score.ScoreInfo.Combo == score.ScoreInfo.MaxCombo);
sw.Write((int)score.ScoreInfo.Ruleset.CreateInstance().ConvertToLegacyMods(score.ScoreInfo.Mods));
writer.WriteLine();
handleGeneral(writer);
sw.Write(getHpGraphFormatted());
sw.Write(score.ScoreInfo.Date.DateTime);
sw.WriteByteArray(createReplayData());
sw.Write((long)0);
writeModSpecificData(score.ScoreInfo, sw);
}
}
private void handleGeneral(TextWriter writer)
private void writeModSpecificData(ScoreInfo score, SerializationWriter sw)
{
}
private byte[] createReplayData()
{
var content = new ASCIIEncoding().GetBytes(replayStringContent);
using (var outStream = new MemoryStream())
{
using (var lzma = new LzmaStream(new LzmaEncoderProperties(false, 1 << 21, 255), false, outStream))
{
outStream.Write(lzma.Properties);
long fileSize = content.Length;
for (int i = 0; i < 8; i++)
outStream.WriteByte((byte)(fileSize >> (8 * i)));
lzma.Write(content);
}
return outStream.ToArray();
}
}
private string replayStringContent
{
get
{
StringBuilder replayData = new StringBuilder();
if (score.Replay != null)
{
LegacyReplayFrame lastF = new LegacyReplayFrame(0, 0, 0, ReplayButtonState.None);
foreach (var f in score.Replay.Frames.OfType<IConvertibleReplayFrame>().Select(f => f.ConvertTo(beatmap)))
{
replayData.Append(FormattableString.Invariant($"{f.Time - lastF.Time}|{f.MouseX}|{f.MouseY}|{(int)f.ButtonState},"));
lastF = f;
}
}
replayData.AppendFormat(@"{0}|{1}|{2}|{3},", -12345, 0, 0, 0);
return replayData.ToString();
}
}
private string getHpGraphFormatted()
{
// todo: implement, maybe?
return string.Empty;
}
}
}