BizHawk/BizHawk.Emulation.Cores/Consoles/Sega/gpgx/GPGX.IStatable.cs

80 lines
1.8 KiB
C#

using System;
using System.IO;
using BizHawk.Common.BufferExtensions;
using BizHawk.Emulation.Common;
namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
{
public partial class GPGX : IStatable
{
public bool BinarySaveStatesPreferred
{
get { return true; }
}
public void SaveStateText(TextWriter writer)
{
var temp = SaveStateBinary();
temp.SaveAsHexFast(writer);
// write extra copy of stuff we don't use
writer.WriteLine("Frame {0}", Frame);
}
public void LoadStateText(TextReader reader)
{
string hex = reader.ReadLine();
byte[] state = new byte[hex.Length / 2];
state.ReadFromHexFast(hex);
LoadStateBinary(new BinaryReader(new MemoryStream(state)));
}
public byte[] SaveStateBinary()
{
var ms = new MemoryStream(_savebuff2, true);
var bw = new BinaryWriter(ms);
SaveStateBinary(bw);
bw.Flush();
ms.Close();
return _savebuff2;
}
public void LoadStateBinary(BinaryReader reader)
{
int newlen = reader.ReadInt32();
if (newlen != _savebuff.Length)
{
throw new Exception("Unexpected state size");
}
reader.Read(_savebuff, 0, _savebuff.Length);
if (!LibGPGX.gpgx_state_load(_savebuff, _savebuff.Length))
{
throw new Exception("gpgx_state_load() returned false");
}
// other variables
Frame = reader.ReadInt32();
LagCount = reader.ReadInt32();
IsLagFrame = reader.ReadBoolean();
UpdateVideo();
}
public void SaveStateBinary(BinaryWriter writer)
{
if (!LibGPGX.gpgx_state_save(_savebuff, _savebuff.Length))
throw new Exception("gpgx_state_save() returned false");
writer.Write(_savebuff.Length);
writer.Write(_savebuff);
// other variables
writer.Write(Frame);
writer.Write(LagCount);
writer.Write(IsLagFrame);
}
private byte[] _savebuff;
private byte[] _savebuff2;
}
}