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

134 lines
3.1 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)));
}
#if true
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 (!Core.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 (!Core.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;
private void InitStateBuffers()
{
byte[] tmp = new byte[Core.gpgx_state_max_size()];
int size = Core.gpgx_state_size(tmp, tmp.Length);
if (size <= 0)
throw new Exception("Couldn't Determine GPGX internal state size!");
_savebuff = new byte[size];
_savebuff2 = new byte[_savebuff.Length + 13];
Console.WriteLine("GPGX Internal State Size: {0}", size);
}
#else
public void LoadStateBinary(BinaryReader reader)
{
var elf = (ElfRunner)NativeData;
elf.LoadStateBinary(reader);
// other variables
Frame = reader.ReadInt32();
LagCount = reader.ReadInt32();
IsLagFrame = reader.ReadBoolean();
// any managed pointers that we sent to the core need to be resent now!
// TODO: sega cd won't work until we fix that!
Core.gpgx_set_input_callback(InputCallback);
RefreshMemCallbacks();
UpdateVideo();
}
public void SaveStateBinary(BinaryWriter writer)
{
var elf = (ElfRunner)NativeData;
elf.SaveStateBinary(writer);
// other variables
writer.Write(Frame);
writer.Write(LagCount);
writer.Write(IsLagFrame);
}
public byte[] SaveStateBinary()
{
var ms = new MemoryStream();
var bw = new BinaryWriter(ms);
SaveStateBinary(bw);
bw.Flush();
ms.Close();
return ms.ToArray();
}
private void InitStateBuffers()
{
}
#endif
}
}