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119 lines
4.0 KiB
C#
119 lines
4.0 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Linq;
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using Newtonsoft.Json.Linq;
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using osu.Framework.Logging;
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using osu.Framework.Platform;
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using osu.Game.Beatmaps;
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using osu.Game.Beatmaps.Legacy;
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using osu.Game.Rulesets;
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using osu.Game.Rulesets.Catch;
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using osu.Game.Rulesets.Mania;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.Osu;
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using osu.Game.Rulesets.Taiko;
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namespace osu.Desktop.LegacyIpc
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{
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/// <summary>
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/// Provides IPC to legacy osu! clients.
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/// </summary>
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public class LegacyTcpIpcProvider : TcpIpcProvider
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{
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private static readonly Logger logger = Logger.GetLogger("legacy-ipc");
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public LegacyTcpIpcProvider()
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: base(45357)
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{
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MessageReceived += msg =>
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{
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try
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{
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logger.Add("Processing legacy IPC message...");
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logger.Add($" {msg.Value}", LogLevel.Debug);
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// See explanation in LegacyIpcMessage for why this is done this way.
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var legacyData = ((JObject)msg.Value).ToObject<LegacyIpcMessage.Data>();
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object value = parseObject((JObject)legacyData!.MessageData, legacyData.MessageType);
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return new LegacyIpcMessage
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{
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Value = onLegacyIpcMessageReceived(value)
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};
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}
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catch (Exception ex)
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{
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logger.Add($"Processing IPC message failed: {msg.Value}", exception: ex);
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return null;
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}
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};
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}
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private object parseObject(JObject value, string type)
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{
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switch (type)
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{
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case nameof(LegacyIpcDifficultyCalculationRequest):
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return value.ToObject<LegacyIpcDifficultyCalculationRequest>()
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?? throw new InvalidOperationException($"Failed to parse request {value}");
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case nameof(LegacyIpcDifficultyCalculationResponse):
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return value.ToObject<LegacyIpcDifficultyCalculationResponse>()
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?? throw new InvalidOperationException($"Failed to parse request {value}");
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default:
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throw new ArgumentException($"Unsupported object type {type}");
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}
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}
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private object onLegacyIpcMessageReceived(object message)
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{
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switch (message)
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{
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case LegacyIpcDifficultyCalculationRequest req:
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try
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{
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WorkingBeatmap beatmap = new FlatFileWorkingBeatmap(req.BeatmapFile);
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var ruleset = beatmap.BeatmapInfo.Ruleset.CreateInstance();
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Mod[] mods = ruleset.ConvertFromLegacyMods((LegacyMods)req.Mods).ToArray();
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return new LegacyIpcDifficultyCalculationResponse
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{
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StarRating = ruleset.CreateDifficultyCalculator(beatmap).Calculate(mods).StarRating
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};
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}
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catch
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{
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return new LegacyIpcDifficultyCalculationResponse();
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}
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default:
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throw new ArgumentException($"Unsupported message type {message}");
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}
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}
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private static Ruleset getLegacyRulesetFromID(int rulesetId)
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{
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switch (rulesetId)
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{
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case 0:
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return new OsuRuleset();
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case 1:
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return new TaikoRuleset();
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case 2:
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return new CatchRuleset();
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case 3:
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return new ManiaRuleset();
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default:
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throw new ArgumentException("Invalid ruleset id");
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}
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}
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}
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}
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