From 797c2389f1ce017a28ad7c2f1b77f60e064a581b Mon Sep 17 00:00:00 2001
From: Extremelyd1 <10898310+Extremelyd1@users.noreply.github.com>
Date: Sat, 20 Jul 2024 20:37:54 +0200
Subject: [PATCH] Initial work for sound/music networking

---
 .../Client/Entity/Component/MusicComponent.cs | 148 ++++++++++++++++++
 HKMP/HKMP.csproj                              |   1 +
 HKMP/Resource/music-data.json                 | 104 ++++++++++++
 3 files changed, 253 insertions(+)
 create mode 100644 HKMP/Game/Client/Entity/Component/MusicComponent.cs
 create mode 100644 HKMP/Resource/music-data.json

diff --git a/HKMP/Game/Client/Entity/Component/MusicComponent.cs b/HKMP/Game/Client/Entity/Component/MusicComponent.cs
new file mode 100644
index 0000000..dc1cfbc
--- /dev/null
+++ b/HKMP/Game/Client/Entity/Component/MusicComponent.cs
@@ -0,0 +1,148 @@
+using System;
+using System.Collections.Generic;
+using Hkmp.Networking.Client;
+using Hkmp.Networking.Packet.Data;
+using Hkmp.Util;
+using HutongGames.PlayMaker.Actions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using UnityEngine;
+using UnityEngine.Audio;
+using Logger = Hkmp.Logging.Logger;
+
+namespace Hkmp.Game.Client.Entity.Component;
+
+// TODO: document all fields and methods
+/// <inheritdoc />
+/// This component manages the music that plays for boss fights.
+internal class MusicComponent : EntityComponent {
+    /// <summary>
+    /// The file path of the embedded resource file for music data.
+    /// </summary>
+    private const string MusicDataFilePath = "Hkmp.Resource.music-data.json";
+    
+    private static readonly List<MusicCueData> MusicCueDataList;
+    private static readonly List<AudioMixerSnapshotData> SnapshotDataList;
+
+    static MusicComponent() {
+        var dataPair = FileUtil.LoadObjectFromEmbeddedJson<
+            (List<MusicCueData>, List<AudioMixerSnapshotData>)
+        >(MusicDataFilePath);
+        
+        MusicCueDataList = dataPair.Item1;
+        SnapshotDataList = dataPair.Item2;
+
+        On.PlayMakerFSM.OnEnable += OnFsmEnable;
+    }
+
+    public MusicComponent(
+        NetClient netClient,
+        ushort entityId,
+        HostClientPair<GameObject> gameObject
+    ) : base(netClient, entityId, gameObject) {
+        // TODO: register hooks for entering ApplyMusicCue and TransitionToAudioSnapshot actions
+        // TODO: these hooks should network changes in Music and Audio to the server if the player is scene host
+    }
+
+    /// <inheritdoc />
+    public override void InitializeHost() {
+    }
+
+    /// <inheritdoc />
+    public override void Update(EntityNetworkData data) {
+        // TODO: handle receiving Music and Audio updates from the server and applying them
+    }
+
+    /// <inheritdoc />
+    public override void Destroy() {
+    }
+
+    private static void OnFsmEnable(On.PlayMakerFSM.orig_OnEnable orig, PlayMakerFSM self) {
+        orig(self);
+        
+        foreach (var state in self.FsmStates) {
+            foreach (var action in state.Actions) {
+                if (action is ApplyMusicCue applyMusicCue) {
+                    var musicCue = applyMusicCue.musicCue.Value as MusicCue;
+                    if (musicCue == null) {
+                        continue;
+                    }
+                    
+                    Logger.Debug($"Found music cue '{musicCue.name}' in FSM '{self.Fsm.Name}', '{state.Name}'");
+
+                    if (GetMusicCueData(
+                        data => data.Name.Equals(musicCue.name), 
+                        out var musicCueData
+                    )) {
+                        Logger.Debug($"  Adding to data with type: {musicCueData.Type}");
+                        musicCueData.MusicCue = musicCue;
+                    }
+                } else if (action is TransitionToAudioSnapshot snapshotAction) {
+                    var snapshot = snapshotAction.snapshot.Value as AudioMixerSnapshot;
+                    if (snapshot == null) {
+                        continue;
+                    }
+                    
+                    Logger.Debug($"Found audio mixer snapshot '{snapshot.name}' in FSM '{self.Fsm.Name}', '{state.Name}'");
+                }
+            }
+        }
+    }
+
+    private static bool GetMusicCueData(Func<MusicCueData, bool> predicate, out MusicCueData musicCueData) {
+        foreach (var data in MusicCueDataList) {
+            if (predicate.Invoke(data)) {
+                musicCueData = data;
+                return true;
+            }
+        }
+
+        musicCueData = null;
+        return false;
+    }
+    
+    private class MusicCueData {
+        public MusicCueType Type { get; set; }
+        public string Name { get; set; }
+        public byte Index { get; set; }
+        [JsonIgnore]
+        public MusicCue MusicCue { get; set; }
+    }
+
+    private class AudioMixerSnapshotData {
+        public AudioMixerSnapshotType Type { get; set; }
+        public string Name { get; set; }
+        public byte Index { get; set; }
+        [JsonIgnore]
+        public AudioMixerSnapshot Snapshot { get; set; }
+    }
+
+    [JsonConverter(typeof(StringEnumConverter))]
+    private enum MusicCueType {
+        None,
+        FalseKnight,
+        Hornet,
+        GGHornet,
+        MantisLords,
+        SoulMaster,
+        SoulMaster2,
+        GGHeavy,
+        EnemyBattle,
+        DreamFight,
+        Hive,
+        HiveKnight,
+        DungDefender,
+        BrokenVessel,
+        Nosk,
+        TheHollowKnight,
+        Greenpath,
+        Waterways
+    }
+
+    [JsonConverter(typeof(StringEnumConverter))]
+    private enum AudioMixerSnapshotType {
+        Silent,
+        None,
+        Off,
+    }
+}
diff --git a/HKMP/HKMP.csproj b/HKMP/HKMP.csproj
index 76902f0..dc66cd4 100644
--- a/HKMP/HKMP.csproj
+++ b/HKMP/HKMP.csproj
@@ -23,6 +23,7 @@
         <EmbeddedResource Include="Resource\action-registry.json" />
         <EmbeddedResource Include="Resource\save-data.json" />
         <EmbeddedResource Include="Resource\scene-data.json" />
+        <EmbeddedResource Include="Resource\music-data.json" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/HKMP/Resource/music-data.json b/HKMP/Resource/music-data.json
new file mode 100644
index 0000000..e9669f4
--- /dev/null
+++ b/HKMP/Resource/music-data.json
@@ -0,0 +1,104 @@
+{
+    "Item1": [
+        {
+            "Type": "None",
+            "Name": "None",
+            "Index": 0
+        },
+        {
+            "Type": "FalseKnight",
+            "Name": "Boss1",
+            "Index": 1
+        },
+        {
+            "Type": "Hornet",
+            "Name": "BossHornet",
+            "Index": 2
+        },
+        {
+            "Type": "GGHornet",
+            "Name": "GGHornet",
+            "Index": 3
+        },
+        {
+            "Type": "MantisLords",
+            "Name": "BossMantisLords",
+            "Index": 4
+        },
+        {
+            "Type": "SoulMaster",
+            "Name": "BossMageLord",
+            "Index": 5
+        },
+        {
+            "Type": "SoulMaster2",
+            "Name": "MageLord2",
+            "Index": 6
+        },
+        {
+            "Type": "GGHeavy",
+            "Name": "GG Heavy",
+            "Index": 7
+        },{
+            "Type": "DreamFight",
+            "Name": "DreamFight",
+            "Index": 8
+        },
+        {
+            "Type": "Hive",
+            "Name": "Hive",
+            "Index": 9
+        },
+        {
+            "Type": "HiveKnight",
+            "Name": "HiveKnight",
+            "Index": 10
+        },
+        {
+            "Type": "DungDefender",
+            "Name": "DungDefender",
+            "Index": 11
+        },
+        {
+            "Type": "BrokenVessel",
+            "Name": "BossIK",
+            "Index": 12
+        },
+        {
+            "Type": "Nosk",
+            "Name": "MimicSpider",
+            "Index": 13
+        },{
+            "Type": "TheHollowKnight",
+            "Name": "HKBattle",
+            "Index": 14
+        },
+        {
+            "Type": "Greenpath",
+            "Name": "Greenpath",
+            "Index": 15
+        },
+        {
+            "Type": "Waterways",
+            "Name": "Waterways",
+            "Index": 16
+        }
+    ],
+    "Item2": [
+        {
+            "Type": "Silent",
+            "Name": "Silent",
+            "Index": 0
+        },
+        {
+            "Type": "None",
+            "Name": "None",
+            "Index": 1
+        },
+        {
+            "Type": "Off",
+            "Name": "Off",
+            "Index": 2
+        }
+    ]
+}