コード例 #1
0
ファイル: BeatmapManager.cs プロジェクト: changeGithub/osu
        /// <summary>
        /// Create all required <see cref="BeatmapInfo"/>s for the provided archive.
        /// </summary>
        private List <BeatmapInfo> createBeatmapDifficulties(BeatmapSetInfo model, ArchiveReader reader)
        {
            var beatmapInfos = new List <BeatmapInfo>();

            foreach (var name in reader.Filenames.Where(f => f.EndsWith(".osu")))
            {
                using (var raw = reader.GetStream(name))
                    using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
                        using (var sr = new StreamReader(ms))
                        {
                            raw.CopyTo(ms);
                            ms.Position = 0;

                            var      decoder = Decoder.GetDecoder <Beatmap>(sr);
                            IBeatmap beatmap = decoder.Decode(sr);

                            beatmap.BeatmapInfo.Path    = name;
                            beatmap.BeatmapInfo.Hash    = ms.ComputeSHA2Hash();
                            beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();

                            // ensure we have the same online set ID as the set itself.
                            beatmap.BeatmapInfo.OnlineBeatmapSetID          = model.OnlineBeatmapSetID;
                            beatmap.BeatmapInfo.Metadata.OnlineBeatmapSetID = model.OnlineBeatmapSetID;

                            // check that no existing beatmap exists that is imported with the same online beatmap ID. if so, give it precedence.
                            if (beatmap.BeatmapInfo.OnlineBeatmapID.HasValue && QueryBeatmap(b => b.OnlineBeatmapID.Value == beatmap.BeatmapInfo.OnlineBeatmapID.Value) != null)
                            {
                                beatmap.BeatmapInfo.OnlineBeatmapID = null;
                            }

                            RulesetInfo ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);

                            beatmap.BeatmapInfo.Ruleset = ruleset;

                            if (ruleset != null)
                            {
                                // TODO: this should be done in a better place once we actually need to dynamically update it.
                                var converted = new DummyConversionBeatmap(beatmap).GetPlayableBeatmap(ruleset);
                                beatmap.BeatmapInfo.StarDifficulty = ruleset.CreateInstance().CreateDifficultyCalculator(converted).Calculate();
                            }
                            else
                            {
                                beatmap.BeatmapInfo.StarDifficulty = 0;
                            }

                            beatmapInfos.Add(beatmap.BeatmapInfo);
                        }
            }

            return(beatmapInfos);
        }
コード例 #2
0
        /// <summary>
        /// Create all required <see cref="BeatmapInfo"/>s for the provided archive.
        /// </summary>
        private List <BeatmapInfo> createBeatmapDifficulties(ArchiveReader reader)
        {
            var beatmapInfos = new List <BeatmapInfo>();

            foreach (var name in reader.Filenames.Where(f => f.EndsWith(".osu")))
            {
                using (var raw = reader.GetStream(name))
                    using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
                        using (var sr = new StreamReader(ms))
                        {
                            raw.CopyTo(ms);
                            ms.Position = 0;

                            var      decoder = Decoder.GetDecoder <Beatmap>(sr);
                            IBeatmap beatmap = decoder.Decode(sr);

                            beatmap.BeatmapInfo.Path    = name;
                            beatmap.BeatmapInfo.Hash    = ms.ComputeSHA2Hash();
                            beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();

                            RulesetInfo ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);

                            beatmap.BeatmapInfo.Ruleset = ruleset;

                            if (ruleset != null)
                            {
                                // TODO: this should be done in a better place once we actually need to dynamically update it.
                                var converted = new DummyConversionBeatmap(beatmap).GetPlayableBeatmap(ruleset);
                                beatmap.BeatmapInfo.StarDifficulty = ruleset.CreateInstance().CreateDifficultyCalculator(converted).Calculate();
                            }
                            else
                            {
                                beatmap.BeatmapInfo.StarDifficulty = 0;
                            }

                            beatmapInfos.Add(beatmap.BeatmapInfo);
                        }
            }

            return(beatmapInfos);
        }