106 lines
2.5 KiB
C#
106 lines
2.5 KiB
C#
using System;
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using System.IO;
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using BizHawk.Emulation.Common;
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namespace BizHawk.Client.Common
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{
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public class CoreFileProvider : ICoreFileProvider
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{
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public string SubfileDirectory;
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public FirmwareManager FirmwareManager;
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Action<string> ShowWarning;
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public CoreFileProvider(Action<string> showWarning)
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{
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ShowWarning = showWarning;
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}
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public Stream OpenFirmware(string sysId, string key)
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{
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var fn = PathFirmware(sysId, key);
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return new FileStream(fn, FileMode.Open, FileAccess.Read, FileShare.Read);
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}
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public string PathFirmware(string sysId, string key)
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{
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return FirmwareManager.Request(sysId, key);
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}
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public string PathSubfile(string fname)
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{
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return Path.Combine(Path.GetDirectoryName(SubfileDirectory) ?? String.Empty, fname);
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}
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public string DllPath()
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{
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return Path.Combine(PathManager.GetExeDirectoryAbsolute(), "dll");
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}
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#region EmuLoadHelper api
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void FirmwareWarn(string sysID, string firmwareID, bool required, string msg = null)
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{
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if (required)
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{
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string fullmsg = string.Format(
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"Couldn't find required firmware \"{0}:{1}\". This is fatal{2}", sysID, firmwareID, msg != null ? ": " + msg : ".");
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throw new Exception(fullmsg);
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}
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else
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{
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if (msg != null)
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{
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string fullmsg = string.Format(
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"Couldn't find firmware \"{0}:{1}\". Will attempt to continue: {2}", sysID, firmwareID, msg);
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ShowWarning(msg);
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}
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}
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}
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public string GetFirmwarePath(string sysID, string firmwareID, bool required, string msg = null)
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{
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string path = FirmwareManager.Request(sysID, firmwareID);
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if (path != null && !File.Exists(path))
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path = null;
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if (path == null)
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FirmwareWarn(sysID, firmwareID, required, msg);
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return path;
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}
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public byte[] GetFirmware(string sysID, string firmwareID, bool required, string msg = null)
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{
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byte[] ret = null;
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string path = GetFirmwarePath(sysID, firmwareID, required, msg);
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if (path != null && File.Exists(path))
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{
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try
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{
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ret = File.ReadAllBytes(path);
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}
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catch (IOException) { }
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}
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if (ret == null && path != null)
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FirmwareWarn(sysID, firmwareID, required, msg);
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return ret;
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}
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#endregion
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public static void SyncCoreCommInputSignals(CoreComm target = null)
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{
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if (target == null)
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{
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target = Global.CoreComm;
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}
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var cfp = new CoreFileProvider(target.ShowMessage);
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target.CoreFileProvider = cfp;
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cfp.FirmwareManager = Global.FirmwareManager;
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}
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}
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} |