APM!

ReplayFile/Replay.cs

@@ -1,6 +1,7 @@
 using AnotherReplayReader.Utils;
 using System;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -23,6 +24,8 @@ namespace AnotherReplayReader.ReplayFile
             { ReplayType.Lan, "局域网录像" },
             { ReplayType.Online, "官网录像" },
         };
+        public const double FrameRate = 15.0;
+        public const string PostCommentator = "post Commentator";
 
         private readonly byte _replaySaverIndex;
         private readonly byte[]? _rawHeader;
@@ -31,7 +34,7 @@ namespace AnotherReplayReader.ReplayFile
         public DateTime Date { get; }
         public string MapName { get; }
         public string MapPath { get; }
-        public IReadOnlyList<Player> Players { get; }
+        public ImmutableArray<Player> Players { get; }
         public int NumberOfPlayingPlayers { get; }
         public Mod Mod { get; }
         public ReplayType Type { get; }
@@ -39,7 +42,7 @@ namespace AnotherReplayReader.ReplayFile
 
         public long Size { get; }
         public ReplayFooter? Footer { get; }
-        public IReadOnlyList<ReplayChunk>? Body { get; }
+        public ImmutableArray<ReplayChunk>? Body { get; }
 
         public string FileName => System.IO.Path.GetFileNameWithoutExtension(Path);
         public Player ReplaySaver => Players[_replaySaverIndex];
@@ -119,7 +122,7 @@ namespace AnotherReplayReader.ReplayFile
                 Players = entries["S"].Split(':')
                     .TakeWhile(x => !string.IsNullOrWhiteSpace(x) && x[0] != 'X')
                     .Select(x => new Player(x.Split(',')))
-                    .ToList();
+                    .ToImmutableArray();
             }
             catch (Exception exception)
             {
@@ -219,40 +222,7 @@ namespace AnotherReplayReader.ReplayFile
             }
 
             _rawHeader = rawHeader;
-            Body = body;
-        }
-
-        public Dictionary<byte, int[]> GetCommandCounts()
-        {
-            if (Body is null)
-            {
-                throw new InvalidOperationException("Replay body must be parsed before retrieving command chunks");
-            }
-
-            var playerCommands = new Dictionary<byte, int[]>();
-
-            foreach (var chunk in Body)
-            {
-                if (chunk.Type != 1)
-                {
-                    continue;
-                }
-
-                foreach (var command in CommandChunk.Parse(chunk))
-                {
-                    var commandCount = playerCommands.TryGetValue(command.CommandId, out var current) ? current : new int[Players.Count];
-                    if (command.PlayerIndex >= commandCount.Length) // unknown or unparsable command?
-                    {
-                        commandCount = commandCount
-                            .Concat(new int[command.PlayerIndex - commandCount.Length + 1])
-                            .ToArray();
-                    }
-                    commandCount[command.PlayerIndex] = commandCount[command.PlayerIndex] + 1;
-                    playerCommands[command.CommandId] = commandCount;
-                }
-            }
-
-            return playerCommands;
+            Body = body.ToImmutableArray();
         }
 
         public Replay CloneHeader()
@@ -283,7 +253,7 @@ namespace AnotherReplayReader.ReplayFile
             string size = GetSizeString(Size);
             string length = Length?.ToString() ?? "录像已损坏，请先修复录像";
 
-            var replaySaver = _replaySaverIndex < Players.Count
+            var replaySaver = _replaySaverIndex < Players.Length
                 ? ReplaySaver.PlayerName
                 : "[无法获取保存录像的玩家]";
 
@@ -298,7 +268,7 @@ namespace AnotherReplayReader.ReplayFile
             writer.WriteLine("玩家列表：");
             foreach (var player in Players)
             {
-                if (player == Players.Last() && player.PlayerName.Equals("post Commentator"))
+                if (player == Players.Last() && player.PlayerName.Equals(PostCommentator))
                 {
                     break;
                 }