109 lines
2.8 KiB
C#
109 lines
2.8 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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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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using System.Runtime.InteropServices;
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namespace BizHawk.Emulation.Cores.WonderSwan
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{
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partial class WonderSwan: IStatable
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{
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void InitIStatable()
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{
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savebuff = new byte[BizSwan.bizswan_binstatesize(Core)];
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savebuff2 = new byte[savebuff.Length + 13];
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}
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JsonSerializer ser = new JsonSerializer() { Formatting = Formatting.Indented };
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[StructLayout(LayoutKind.Sequential)]
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class TextStateData
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{
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public bool IsLagFrame;
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public int LagCount;
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public int Frame;
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}
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private void LoadTextStateData(TextStateData d)
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{
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IsLagFrame = d.IsLagFrame;
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LagCount = d.LagCount;
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Frame = d.Frame;
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}
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private void SaveTextStateData(TextStateData d)
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{
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d.IsLagFrame = IsLagFrame;
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d.LagCount = LagCount;
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d.Frame = Frame;
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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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BizSwan.bizswan_txtstatesave(Core, ref ff);
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SaveTextStateData(s.ExtraData);
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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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BizSwan.bizswan_txtstateload(Core, ref ff);
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LoadTextStateData(s.ExtraData);
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}
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byte[] savebuff;
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byte[] savebuff2;
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public void SaveStateBinary(BinaryWriter writer)
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{
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if (!BizSwan.bizswan_binstatesave(Core, savebuff, savebuff.Length))
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throw new InvalidOperationException("bizswan_binstatesave() returned false!");
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writer.Write(savebuff.Length);
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writer.Write(savebuff);
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var d = new TextStateData();
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SaveTextStateData(d);
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BinaryQuickSerializer.Write(d, writer);
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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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throw new InvalidOperationException("Save buffer size mismatch!");
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reader.Read(savebuff, 0, length);
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if (!BizSwan.bizswan_binstateload(Core, savebuff, savebuff.Length))
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throw new InvalidOperationException("bizswan_binstateload() returned false!");
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var d = BinaryQuickSerializer.Create<TextStateData>(reader);
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LoadTextStateData(d);
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}
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public byte[] SaveStateBinary()
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{
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var ms = new MemoryStream(savebuff2, true);
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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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throw new InvalidOperationException();
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ms.Close();
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return savebuff2;
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}
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public bool BinarySaveStatesPreferred
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{
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get { return true; }
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}
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}
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}
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