98 lines
2.5 KiB
C#
98 lines
2.5 KiB
C#
using System;
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using System.IO;
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using Newtonsoft.Json;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Emulation.Cores.Atari.Lynx
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{
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public partial class Lynx : ITextStatable
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{
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public void SaveStateText(TextWriter writer)
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{
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var s = new TextState<TextStateData>();
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s.Prepare();
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var ff = s.GetFunctionPointersSave();
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LibLynx.TxtStateSave(Core, ref ff);
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s.ExtraData.IsLagFrame = IsLagFrame;
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s.ExtraData.LagCount = LagCount;
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s.ExtraData.Frame = Frame;
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_ser.Serialize(writer, s);
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}
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public void LoadStateText(TextReader reader)
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{
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var s = (TextState<TextStateData>)_ser.Deserialize(reader, typeof(TextState<TextStateData>));
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s.Prepare();
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var ff = s.GetFunctionPointersLoad();
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LibLynx.TxtStateLoad(Core, ref ff);
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IsLagFrame = s.ExtraData.IsLagFrame;
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LagCount = s.ExtraData.LagCount;
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Frame = s.ExtraData.Frame;
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}
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public void SaveStateBinary(BinaryWriter writer)
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{
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if (!LibLynx.BinStateSave(Core, _saveBuff, _saveBuff.Length))
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{
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throw new InvalidOperationException($"Core's {nameof(LibLynx.BinStateSave)}() returned false!");
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}
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writer.Write(_saveBuff.Length);
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writer.Write(_saveBuff);
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// other variables
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writer.Write(IsLagFrame);
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writer.Write(LagCount);
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writer.Write(Frame);
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}
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public void LoadStateBinary(BinaryReader reader)
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{
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int length = reader.ReadInt32();
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if (length != _saveBuff.Length)
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{
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throw new InvalidOperationException("Save buffer size mismatch!");
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}
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reader.Read(_saveBuff, 0, length);
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if (!LibLynx.BinStateLoad(Core, _saveBuff, _saveBuff.Length))
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{
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throw new InvalidOperationException($"Core's {nameof(LibLynx.BinStateLoad)}() returned false!");
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}
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// other variables
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IsLagFrame = reader.ReadBoolean();
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LagCount = reader.ReadInt32();
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Frame = reader.ReadInt32();
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}
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public byte[] SaveStateBinary()
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{
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using var ms = new MemoryStream(_saveBuff2, true);
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using var bw = new BinaryWriter(ms);
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SaveStateBinary(bw);
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bw.Flush();
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if (ms.Position != _saveBuff2.Length)
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{
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throw new InvalidOperationException();
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}
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ms.Close();
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return _saveBuff2;
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}
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private readonly JsonSerializer _ser = new JsonSerializer { Formatting = Formatting.Indented };
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private readonly byte[] _saveBuff;
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private readonly byte[] _saveBuff2;
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private class TextStateData
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{
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public int Frame;
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public int LagCount;
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public bool IsLagFrame;
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}
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}
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}
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