BizHawk/BizHawk.Client.Common/Api/Classes/MemorySaveStateApi.cs

52 lines
1.2 KiB
C#

using System;
using System.Collections.Generic;
using System.IO;
using BizHawk.Emulation.Common;
namespace BizHawk.Client.Common
{
public sealed class MemorySaveStateApi : IMemorySaveState
{
[RequiredService]
private IStatable StatableCore { get; set; }
public MemorySaveStateApi(Action<string> logCallback)
{
LogCallback = logCallback;
}
public MemorySaveStateApi() : this(Console.WriteLine) {}
private readonly Action<string> LogCallback;
private readonly Dictionary<Guid, byte[]> _memorySavestates = new Dictionary<Guid, byte[]>();
public string SaveCoreStateToMemory()
{
var guid = Guid.NewGuid();
_memorySavestates.Add(guid, (byte[]) StatableCore.SaveStateBinary().Clone());
return guid.ToString();
}
public void LoadCoreStateFromMemory(string identifier)
{
var guid = new Guid(identifier);
try
{
using var ms = new MemoryStream(_memorySavestates[guid]);
using var br = new BinaryReader(ms);
StatableCore.LoadStateBinary(br);
}
catch
{
LogCallback("Unable to find the given savestate in memory");
}
}
public void DeleteState(string identifier) => _memorySavestates.Remove(new Guid(identifier));
public void ClearInMemoryStates() => _memorySavestates.Clear();
}
}