Развитие гоночек

Assets/Code/Example/Race/RaceScores.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Code.Example.Race.Track;
+using Code.Infrastructure.EventBus;
+
+namespace Code.Example.Race
+{
+    public class RaceScores : IRacerPassedCheckpointHandler, IDisposable
+    {
+        private Dictionary<int, int> _scores = new();
+        private EventBus _eventBus;
+
+        public RaceScores(EventBus eventBus)
+        {
+            _eventBus = eventBus;
+            _eventBus.Subscribe(this);
+        }
+        public void SubscribeRacer(int racer)
+        {
+            _scores.Add(racer, 0);
+        }
+
+        public void ChangeScore(int racer, int additionalScore)
+        {
+            _scores[racer] += additionalScore;
+            _eventBus.RaiseEvent<IScoreChangedHandle>(x=> x.ScoreChanged(racer,additionalScore, GetScores()));
+        }
+        
+        public void UnsubscribeRacer(int racer)
+        {
+            _scores.Remove(racer);
+        }
+
+        public List<KeyValuePair<int, int>> GetScores()
+        {
+            return _scores.OrderByDescending(x => x.Value).ToList();
+        }
+
+        public void OnRacerPassedCheckpoint(Racer.AI.Racer racer) => ChangeScore(racer.Id,1);
+
+        public void Dispose()
+        {
+            _eventBus.Unsubscribe(this);
+        }
+    }
+
+    public interface IScoreChangedHandle : IGlobalSubscriber
+    {
+        void ScoreChanged(int racer, int additionalScore, List<KeyValuePair<int, int>> scores);
+    }
+}