Merge pull request #29 from flightlex/master

gd options and other (check desc)

Author: Folleach

GeometryDashAPI.Benchmarks/Benchmarks/GameDataBenchmark.cs

@@ -0,0 +1,22 @@
+using BenchmarkDotNet.Attributes;
+using GeometryDashAPI.Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeometryDashAPI.Benchmarks.Benchmarks
+{
+    [MemoryDiagnoser]
+    public class GameDataBenchmark
+    {
+        private GameManager manager;
+        
+        [Benchmark]
+        public void ParseSplit()
+        {
+            manager = GameManager.LoadFile(null);
+        }
+    }
+}

GeometryDashAPI.Benchmarks/Program.cs

@@ -4,4 +4,4 @@
 
 BenchmarkSwitcher.FromAssembly(Assembly.GetAssembly(typeof(Program))).Run(args,
     ManualConfig.Create(DefaultConfig.Instance)
-        .With(ConfigOptions.DisableOptimizationsValidator));
+        .With(ConfigOptions.DisableOptimizationsValidator));

GeometryDashAPI.Tests/GeometryDashAPI.Tests.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
     <PackageReference Include="FluentAssertions" Version="6.0.0-alpha0002" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.2.0" />
-    <PackageReference Include="NUnit" Version="3.13.0" />
+    <PackageReference Include="NUnit" Version="3.13.3" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

GeometryDashAPI/Attributes/GamePropertyAttribute.cs

@@ -6,12 +6,12 @@ namespace GeometryDashAPI.Attributes
     public class GamePropertyAttribute : Attribute
     {
         public string Key { get; }
-        public object DefaultValue { get; }
+        public object? DefaultValue { get; }
         public bool AlwaysSet { get; }
         public int KeyOverride { get; set; }
         public int Order { get; set; } = int.MaxValue;
 
-        public GamePropertyAttribute(string key, object defaultValue = null, bool alwaysSet = false)
+        public GamePropertyAttribute(string key, object? defaultValue = null, bool alwaysSet = false)
         {
             Key = key;
             DefaultValue = defaultValue;

GeometryDashAPI/Data/GameData.cs

@@ -28,20 +28,21 @@ public virtual async Task LoadAsync(string fileName)
             if (!File.Exists(fileName))
                 throw new FileNotFoundException($"file does not exists: '{fileName}'");
 
-            // File > Bytes > XOR > ToString > Replace > Base64 > Gzip
 #if NETSTANDARD2_1
-            var data = await File.ReadAllBytesAsync(fileName);
+            await using var file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, useAsync: true);
 #else
             using var file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, useAsync: true);
-            var data = new byte[file.Length];
-            var read = await file.ReadAsync(data, 0, data.Length);
 #endif
-            var dataZip = Encoding.ASCII.GetString(Crypt.XOR(data, 0xB)).Split('\0')[0];
-            var resultPlist = Crypt.GZipDecompress(GameConvert.FromBase64(dataZip));
+            var data = new byte[file.Length];
+            await file.ReadAsync(data, 0, data.Length);
 
-            DataPlist = new Plist(Encoding.ASCII.GetBytes(resultPlist));
-        }
+            var xor = Crypt.XOR(data, 0xB);
+            var index = xor.AsSpan().IndexOf((byte)0);
+            var gZipDecompress = Crypt.GZipDecompress(GameConvert.FromBase64(Encoding.ASCII.GetString(xor, 0, index >= 0 ? index : xor.Length)));
 
+            DataPlist = new Plist(Encoding.ASCII.GetBytes(gZipDecompress));
+        }
+    
         /// <summary>
         /// Saves class data to a file as a game save<br/><br/>
         /// Before saving, make sure that you have closed the game. Otherwise, after closing, the game will overwrite the file<br/>