[feat] Added SongManager class.

RhythmGameUtilities/Enums/JudgmentType.cs

@@ -0,0 +1,19 @@
+namespace RhythmGameUtilities
+{
+
+    public enum JudgmentType
+    {
+
+        PERFECT,
+
+        NICE,
+
+        GOOD,
+
+        OK,
+
+        MISS
+
+    }
+
+}

RhythmGameUtilities/Scripts/SongManager.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace RhythmGameUtilities
+{
+
+    public class SongManager
+    {
+
+        public Stats stats { get; protected set; }
+
+        public Song song { get; protected set; }
+
+        protected readonly List<Note> _remainingNotes = new();
+
+        protected int _tick;
+
+        public SongManager(Song song, Difficulty difficulty, float comboStep = Stats.DefaultComboStep)
+        {
+            this.song = song;
+
+            stats = new Stats { difficulty = difficulty, comboStep = comboStep };
+
+            _remainingNotes = GetAllNotes(difficulty).Where(note => note.HandPosition < 5).ToList();
+        }
+
+        public Note[] GetAllNotes(Difficulty difficulty)
+        {
+            if (song.Difficulties?[difficulty] == null)
+            {
+                throw new InvalidOperationException($"{difficulty} difficulty not found in song!");
+            }
+
+            if (!song.Difficulties.TryGetValue(difficulty, out var notes))
+            {
+                throw new InvalidOperationException($"No notes found for the {difficulty} difficulty!");
+            }
+
+            return notes;
+        }
+
+        public List<Note> GetRemainingNotes()
+        {
+            return _remainingNotes.ToList();
+        }
+
+        public List<Note> GetActiveNotes(float tickBuffer)
+        {
+            var activeNotes = GetRemainingNotes().Where(note =>
+                _tick > note.Position - tickBuffer / 2 && _tick < note.Position + tickBuffer / 2).ToList();
+
+            return activeNotes;
+        }
+
+        protected void ClearMissedNotes()
+        {
+            var notesToClear = GetRemainingNotes().Where(note => note.Position + song.BaseBPM / 2 < _tick);
+
+            foreach (var note in notesToClear)
+            {
+                ClearMissedNote(note);
+            }
+        }
+
+        protected virtual void ClearMissedNote(Note note)
+        {
+            stats.AddJudgment(JudgmentType.MISS);
+            stats.ClearCombo();
+        }
+
+        protected virtual void HitNoteHandler(Note note, float accuracy, JudgmentType judgmentType)
+        {
+            Console.WriteLine($"Hit note with {accuracy} accuracy and a hit note type of {judgmentType}!");
+        }
+
+        protected virtual void MissNoteHandler(Note note)
+        {
+            Console.WriteLine("Missed note!");
+        }
+
+        protected virtual JudgmentType CalculateJudgmentTypeFromAccuracy(float accuracy)
+        {
+            return accuracy switch
+            {
+                > 0.8f => JudgmentType.PERFECT,
+                > 0.6f => JudgmentType.NICE,
+                > 0.3f => JudgmentType.GOOD,
+                > 0 => JudgmentType.OK,
+                _ => JudgmentType.MISS
+            };
+        }
+
+        protected virtual int CalculateScoreForHitNoteType(JudgmentType judgmentType)
+        {
+            return judgmentType switch
+            {
+                JudgmentType.PERFECT => 1000,
+                JudgmentType.NICE => 500,
+                JudgmentType.GOOD => 200,
+                JudgmentType.OK => 100,
+                _ => 0
+            };
+        }
+
+        public virtual void Tick(float time)
+        {
+            _tick = Utilities.ConvertSecondsToTicks(time, song.Resolution, song.BaseBPM);
+        }
+
+        public virtual void Cleanup()
+        {
+            ClearMissedNotes();
+        }
+
+    }
+
+}

RhythmGameUtilities/Structs/Stats.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Text;
+using Newtonsoft.Json;
+
+namespace RhythmGameUtilities
+{
+
+    public class Stats
+    {
+
+        public const float DefaultComboStep = 0.25f;
+
+        public Difficulty difficulty { get; internal set; }
+
+        public float comboStep { get; internal set; } = DefaultComboStep;
+
+        public int score { get; private set; }
+
+        public float combo { get; private set; } = 1;
+
+        public int comboMultiplier => (int)Math.Floor(combo);
+
+        private readonly Dictionary<JudgmentType, int> _judgmentTypeCount = new();
+
+        public ReadOnlyDictionary<JudgmentType, int> judgmentTypeCount => new(_judgmentTypeCount);
+
+        public void AddToScore(int points)
+        {
+            combo += comboStep;
+            score += points * comboMultiplier;
+        }
+
+        public void ClearCombo()
+        {
+            combo = 1;
+        }
+
+        public void AddJudgment(JudgmentType judgmentType, int count = 1)
+        {
+            if (!_judgmentTypeCount.TryAdd(judgmentType, count))
+            {
+                _judgmentTypeCount[judgmentType] += count;
+            }
+        }
+
+        public string ToJSON()
+        {
+            return JsonConvert.SerializeObject(this);
+        }
+
+        public static Song FromJSON(string input)
+        {
+            return JsonConvert.DeserializeObject<Song>(input);
+        }
+
+        public override string ToString()
+        {
+            var output = new StringBuilder();
+
+            foreach (var judgment in Enum.GetValues(typeof(JudgmentType)))
+            {
+                if (_judgmentTypeCount.TryGetValue((JudgmentType)judgment, out var count))
+                {
+                    output.AppendLine($"{(JudgmentType)judgment}: {count}");
+                }
+            }
+
+            return output.ToString().Trim();
+        }
+
+    }
+
+}

UnityPackage/Enums/JudgmentType.cs

@@ -0,0 +1,19 @@
+namespace RhythmGameUtilities
+{
+
+    public enum JudgmentType
+    {
+
+        PERFECT,
+
+        NICE,
+
+        GOOD,
+
+        OK,
+
+        MISS
+
+    }
+
+}

UnityPackage/Scripts/SongManager.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace RhythmGameUtilities
+{
+
+    public class SongManager
+    {
+
+        public Stats stats { get; protected set; }
+
+        public Song song { get; protected set; }
+
+        protected readonly List<Note> _remainingNotes = new();
+
+        protected int _tick;
+
+        public SongManager(Song song, Difficulty difficulty, float comboStep = Stats.DefaultComboStep)
+        {
+            this.song = song;
+
+            stats = new Stats { difficulty = difficulty, comboStep = comboStep };
+
+            _remainingNotes = GetAllNotes(difficulty).Where(note => note.HandPosition < 5).ToList();
+        }
+
+        public Note[] GetAllNotes(Difficulty difficulty)
+        {
+            if (song.Difficulties?[difficulty] == null)
+            {
+                throw new InvalidOperationException($"{difficulty} difficulty not found in song!");
+            }
+
+            if (!song.Difficulties.TryGetValue(difficulty, out var notes))
+            {
+                throw new InvalidOperationException($"No notes found for the {difficulty} difficulty!");
+            }
+
+            return notes;
+        }
+
+        public List<Note> GetRemainingNotes()
+        {
+            return _remainingNotes.ToList();
+        }
+
+        public List<Note> GetActiveNotes(float tickBuffer)
+        {
+            var activeNotes = GetRemainingNotes().Where(note =>
+                _tick > note.Position - tickBuffer / 2 && _tick < note.Position + tickBuffer / 2).ToList();
+
+            return activeNotes;
+        }
+
+        protected void ClearMissedNotes()
+        {
+            var notesToClear = GetRemainingNotes().Where(note => note.Position + song.BaseBPM / 2 < _tick);
+
+            foreach (var note in notesToClear)
+            {
+                ClearMissedNote(note);
+            }
+        }
+
+        protected virtual void ClearMissedNote(Note note)
+        {
+            stats.AddJudgment(JudgmentType.MISS);
+            stats.ClearCombo();
+        }
+
+        protected virtual void HitNoteHandler(Note note, float accuracy, JudgmentType judgmentType)
+        {
+            Console.WriteLine($"Hit note with {accuracy} accuracy and a hit note type of {judgmentType}!");
+        }
+
+        protected virtual void MissNoteHandler(Note note)
+        {
+            Console.WriteLine("Missed note!");
+        }
+
+        protected virtual JudgmentType CalculateJudgmentTypeFromAccuracy(float accuracy)
+        {
+            return accuracy switch
+            {
+                > 0.8f => JudgmentType.PERFECT,
+                > 0.6f => JudgmentType.NICE,
+                > 0.3f => JudgmentType.GOOD,
+                > 0 => JudgmentType.OK,
+                _ => JudgmentType.MISS
+            };
+        }
+
+        protected virtual int CalculateScoreForHitNoteType(JudgmentType judgmentType)
+        {
+            return judgmentType switch
+            {
+                JudgmentType.PERFECT => 1000,
+                JudgmentType.NICE => 500,
+                JudgmentType.GOOD => 200,
+                JudgmentType.OK => 100,
+                _ => 0
+            };
+        }
+
+        public virtual void Tick(float time)
+        {
+            _tick = Utilities.ConvertSecondsToTicks(time, song.Resolution, song.BaseBPM);
+        }
+
+        public virtual void Cleanup()
+        {
+            ClearMissedNotes();
+        }
+
+    }
+
+}