remove the extra ISettable (non-generic argument) interface and corresponding crud from cores, and replace with a shim class

BizHawk.Client.Common/movie/conversions/MovieConversionExtensions.cs

@@ -186,8 +186,8 @@ namespace BizHawk.Client.Common.MovieConversionExtensions
 			movie.EmulatorVersion = VersionInfo.GetEmuVersion();
 			movie.SystemID = Global.Emulator.SystemId;
 
-			var settable = Global.Emulator as ISettable;
-			if (settable != null)
+			var settable = new SettingsAdapter(Global.Emulator);
+			if (settable.HasSyncSettings)
 			{
 				movie.SyncSettingsJson = ConfigService.SaveWithType(settable.GetSyncSettings());
 			}

BizHawk.Client.EmuHawk/MainForm.cs

@@ -1925,8 +1925,8 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		public void PutCoreSettings(object o)
 		{
-            var settable = Global.Emulator as ISettable;
-            if (settable != null && settable.PutSettings(o))
+            var settable = new SettingsAdapter(Global.Emulator);
+            if (settable.HasSettings && settable.PutSettings(o))
 			{
 				FlagNeedsReboot();
 			}
@@ -1937,12 +1937,12 @@ namespace BizHawk.Client.EmuHawk
 		/// </summary>
 		public void PutCoreSyncSettings(object o)
 		{
-            var settable = Global.Emulator as ISettable;
+			var settable = new SettingsAdapter(Global.Emulator);
 			if (Global.MovieSession.Movie.IsActive)
 			{
 				GlobalWin.OSD.AddMessage("Attempt to change sync-relevant settings while recording BLOCKED.");
 			}
-            else if (settable != null && settable.PutSyncSettings(o))
+            else if (settable.HasSyncSettings && settable.PutSyncSettings(o))
 			{
 				FlagNeedsReboot();
 			}
@@ -3357,16 +3357,17 @@ namespace BizHawk.Client.EmuHawk
 		{
 			// save settings object
 			var t = Global.Emulator.GetType();
-            var settable = Global.Emulator as ISettable;
-            if (settable == null)
-                return;
+			var settable = new SettingsAdapter(Global.Emulator);
 
-            Global.Config.PutCoreSettings(settable.GetSettings(), t);
-
-			// don't trample config with loaded-from-movie settings
-			if (!Global.MovieSession.Movie.IsActive)
+			if (settable.HasSettings)
 			{
-                Global.Config.PutCoreSyncSettings(settable.GetSyncSettings(), t);
+				Global.Config.PutCoreSettings(settable.GetSettings(), t);
+			}
+
+			if (settable.HasSyncSettings && !Global.MovieSession.Movie.IsActive)
+			{
+				// don't trample config with loaded-from-movie settings
+				Global.Config.PutCoreSyncSettings(settable.GetSyncSettings(), t);
 			}
 		}
 

BizHawk.Client.EmuHawk/config/GenericCoreConfig.cs

@@ -22,13 +22,12 @@ namespace BizHawk.Client.EmuHawk
 		{
 			InitializeComponent();
 
-			var settable = Global.Emulator as ISettable;
+			var settable = new SettingsAdapter(Global.Emulator);
 
-			if (settable != null)
-			{
+			if (settable.HasSettings)
 				s = settable.GetSettings();
+			if (settable.HasSyncSettings)
 				ss = settable.GetSyncSettings();
-			}
 
 			if (s != null)
 				propertyGrid1.SelectedObject = s;
@@ -45,8 +44,8 @@ namespace BizHawk.Client.EmuHawk
 
 		private void button1_Click(object sender, EventArgs e)
 		{
-			var settable = Global.Emulator as ISettable;
-			if (s != null && settable != null)
+			var settable = new SettingsAdapter(Global.Emulator);
+			if (s != null && settable.HasSettings)
 			{
 				settable.PutSettings(s);
 			}

BizHawk.Client.EmuHawk/config/ProfileConfig.cs

@@ -355,7 +355,13 @@ namespace BizHawk.Client.EmuHawk
 			where TEmulator : IEmulator
 		{
 			// should we complain if we get a successful object from the config file, but it is the wrong type?
-			return ((ISettable)Global.Emulator).GetSyncSettings() as TSetting
+
+			object fromcore = null;
+			var settable = new SettingsAdapter(Global.Emulator);
+			if (settable.HasSyncSettings)
+				fromcore = settable.GetSyncSettings();
+
+			return fromcore as TSetting
 				?? Global.Config.GetCoreSyncSettings<TEmulator>() as TSetting
 				?? new TSetting(); // guaranteed to give sensible defaults
 		}
@@ -365,7 +371,13 @@ namespace BizHawk.Client.EmuHawk
 			where TEmulator : IEmulator
 		{
 			// should we complain if we get a successful object from the config file, but it is the wrong type?
-			return ((ISettable)Global.Emulator).GetSettings() as TSetting
+
+			object fromcore = null;
+			var settable = new SettingsAdapter(Global.Emulator);
+			if (settable.HasSettings)
+				fromcore = settable.GetSettings();
+
+			return fromcore as TSetting
 				?? Global.Config.GetCoreSettings<TEmulator>() as TSetting
 				?? new TSetting(); // guaranteed to give sensible defaults
 		}
@@ -375,7 +387,8 @@ namespace BizHawk.Client.EmuHawk
 		{
 			if (Global.Emulator is TEmulator)
 			{
-				((ISettable)Global.Emulator).PutSettings(o);
+				var settable = new SettingsAdapter(Global.Emulator);
+				settable.PutSettings(o);
 			}
 			else
 			{

BizHawk.Emulation.Common/BizHawk.Emulation.Common.csproj

@@ -63,6 +63,7 @@
     <Compile Include="Interfaces\ICoreFileProvider.cs" />
     <Compile Include="Interfaces\IEmulator.cs" />
     <Compile Include="Interfaces\IMemoryDomains.cs" />
+    <Compile Include="Interfaces\ISettable.cs" />
     <Compile Include="Interfaces\ISoundProvider.cs" />
     <Compile Include="Interfaces\ISyncSoundProvider.cs" />
     <Compile Include="Interfaces\IVideoProvider.cs" />

BizHawk.Emulation.Common/Interfaces/IEmulator.cs

@@ -144,52 +144,5 @@ namespace BizHawk.Emulation.Common
 		void SetCpuRegister(string register, int value);
 	}
 
-	public interface ISettable : IEmulator
-	{
-		object GetSettings();
-		object GetSyncSettings();
-		bool PutSettings(object o);
-		bool PutSyncSettings(object o);
-	}
-
-	public interface ISettable<TSettings, TSync> : ISettable
-	{
-		// in addition to these methods, it's expected that the constructor or Load() method
-		// will take a Settings and SyncSettings object to set the initial state of the core
-		// (if those are null, default settings are to be used)
-
-		/// <summary>
-		/// get the current core settings, excepting movie settings.  should be a clone of the active in-core object.
-		/// VERY IMPORTANT: changes to the object returned by this function SHOULD NOT have any effect on emulation
-		/// (unless the object is later passed to PutSettings)
-		/// </summary>
-		/// <returns>a json-serializable object</returns>
-		new TSettings GetSettings();
-
-		/// <summary>
-		/// get the current core settings that affect movie sync.  these go in movie 2.0 files, so don't make the JSON too extravagant, please
-		/// should be a clone of the active in-core object.
-		/// VERY IMPORTANT: changes to the object returned by this function MUST NOT have any effect on emulation
-		/// (unless the object is later passed to PutSyncSettings)
-		/// </summary>
-		/// <returns>a json-serializable object</returns>
-		new TSync GetSyncSettings();
-
-		/// <summary>
-		/// change the core settings, excepting movie settings
-		/// </summary>
-		/// <param name="o">an object of the same type as the return for GetSettings</param>
-		/// <returns>true if a core reboot will be required to make the changes effective</returns>
-		new bool PutSettings(TSettings o);
-
-		/// <summary>
-		/// changes the movie-sync relevant settings.  THIS SHOULD NEVER BE CALLED WHILE RECORDING
-		/// if it is called while recording, the core need not guarantee continued determinism
-		/// </summary>
-		/// <param name="o">an object of the same type as the return for GetSyncSettings</param>
-		/// <returns>true if a core reboot will be required to make the changes effective</returns>
-		new bool PutSyncSettings(TSync o);
-	}
-
 	public enum DisplayType { NTSC, PAL, DENDY }
 }

BizHawk.Emulation.Common/Interfaces/ISettable.cs

@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Reflection;
+
+namespace BizHawk.Emulation.Common
+{
+	public class SettingsAdapter
+	{
+		public SettingsAdapter(IEmulator e)
+		{
+			emu = e;
+
+			Type impl = e.GetType().GetInterfaces()
+				.Where(t => t.IsGenericType && t.GetGenericTypeDefinition() == typeof(ISettable<,>)).FirstOrDefault();
+			if (impl == null)
+			{
+				HasSettings = false;
+				HasSyncSettings = false;
+			}
+			else
+			{
+				var tt = impl.GetGenericArguments();
+				settingtype = tt[0];
+				synctype = tt[1];
+				HasSettings = settingtype != typeof(object); // object is used for a placeholder where an emu doesn't have both s and ss
+				HasSyncSettings = synctype != typeof(object);
+
+				if (HasSettings)
+				{
+					gets = impl.GetMethod("GetSettings");
+					puts = impl.GetMethod("PutSettings");
+				}
+				if (HasSyncSettings)
+				{
+					getss = impl.GetMethod("GetSyncSettings");
+					putss = impl.GetMethod("PutSyncSettings");
+				}
+			}
+		}
+
+		private IEmulator emu;
+
+		public bool HasSettings { get; private set; }
+		public bool HasSyncSettings { get; private set; }
+
+		private object[] tmp1 = new object[1];
+		private object[] tmp0 = new object[0];
+
+		private Type settingtype;
+		private Type synctype;
+
+		private MethodInfo gets;
+		private MethodInfo puts;
+		private MethodInfo getss;
+		private MethodInfo putss;
+
+		public object GetSettings()
+		{
+			if (!HasSettings)
+				throw new InvalidOperationException();
+			return gets.Invoke(emu, tmp0);
+		}
+
+		public object GetSyncSettings()
+		{
+			if (!HasSyncSettings)
+				throw new InvalidOperationException();
+			return (getss.Invoke(emu, tmp0));
+		}
+
+		public bool PutSettings(object o)
+		{
+			if (!HasSettings)
+				throw new InvalidOperationException();
+			tmp1[0] = o;
+			return (bool)puts.Invoke(emu, tmp1);
+		}
+
+		public bool PutSyncSettings(object o)
+		{
+			if (!HasSyncSettings)
+				throw new InvalidOperationException();
+			tmp1[0] = o;
+			return (bool)putss.Invoke(emu, tmp1);
+		}
+	}
+
+	public interface ISettable<TSettings, TSync> : IEmulator
+	{
+		// in addition to these methods, it's expected that the constructor or Load() method
+		// will take a Settings and SyncSettings object to set the initial state of the core
+		// (if those are null, default settings are to be used)
+
+		/// <summary>
+		/// get the current core settings, excepting movie settings.  should be a clone of the active in-core object.
+		/// VERY IMPORTANT: changes to the object returned by this function SHOULD NOT have any effect on emulation
+		/// (unless the object is later passed to PutSettings)
+		/// </summary>
+		/// <returns>a json-serializable object</returns>
+		TSettings GetSettings();
+
+		/// <summary>
+		/// get the current core settings that affect movie sync.  these go in movie 2.0 files, so don't make the JSON too extravagant, please
+		/// should be a clone of the active in-core object.
+		/// VERY IMPORTANT: changes to the object returned by this function MUST NOT have any effect on emulation
+		/// (unless the object is later passed to PutSyncSettings)
+		/// </summary>
+		/// <returns>a json-serializable object</returns>
+		TSync GetSyncSettings();
+
+		/// <summary>
+		/// change the core settings, excepting movie settings
+		/// </summary>
+		/// <param name="o">an object of the same type as the return for GetSettings</param>
+		/// <returns>true if a core reboot will be required to make the changes effective</returns>
+		bool PutSettings(TSettings o);
+
+		/// <summary>
+		/// changes the movie-sync relevant settings.  THIS SHOULD NEVER BE CALLED WHILE RECORDING
+		/// if it is called while recording, the core need not guarantee continued determinism
+		/// </summary>
+		/// <param name="o">an object of the same type as the return for GetSyncSettings</param>
+		/// <returns>true if a core reboot will be required to make the changes effective</returns>
+		bool PutSyncSettings(TSync o);
+	}
+}

BizHawk.Emulation.Cores/Calculator/TI83.cs

@@ -1005,15 +1005,6 @@ namespace BizHawk.Emulation.Cores.Calculators
 			return false;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o) {
-			return PutSettings((TI83Settings)o);
-		}
-
 		public object GetSyncSettings() { return null; }
 		public bool PutSyncSettings(object o) { return false; }
 

BizHawk.Emulation.Cores/Consoles/Atari/2600/Atari2600.Settings.cs

@@ -37,26 +37,6 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 			return false;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((A2600Settings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((A2600SyncSettings)o);
-		}
-
 		public class A2600Settings
 		{
 			[JsonIgnore]

BizHawk.Emulation.Cores/Consoles/Coleco/ColecoVision.cs

@@ -248,16 +248,6 @@ namespace BizHawk.Emulation.Cores.ColecoVision
 			return ret;
 		}
 
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSettings((ColecoSyncSettings)o);
-		}
-
 		ColecoSyncSettings SyncSettings;
 
 		public class ColecoSyncSettings

BizHawk.Emulation.Cores/Consoles/Nintendo/GBA/VBANext.cs

@@ -24,7 +24,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 		{
 			CoreComm = comm;
 			byte[] biosfile = CoreComm.CoreFileProvider.GetFirmware("GBA", "Bios", true, "GBA bios file is mandatory.");
-
 			if (file.Length > 32 * 1024 * 1024)
 				throw new ArgumentException("ROM is too big to be a GBA ROM!");
 			if (biosfile.Length != 16 * 1024)
@@ -330,7 +329,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			mm.Add(MemoryDomain.FromIntPtr("VRAM", 96 * 1024, l, s.vram));
 			mm.Add(MemoryDomain.FromIntPtr("OAM", 1024, l, s.oam));
 			mm.Add(MemoryDomain.FromIntPtr("ROM", 32 * 1024 * 1024, l, s.rom));
-			
+
 			mm.Add(new MemoryDomain("BUS", 0x10000000, l,
 				delegate(int addr)
 				{
@@ -420,26 +419,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.GBA
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings(o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((SyncSettings)o);
-		}
-
 		public class SyncSettings
 		{
 			[DisplayName("Skip BIOS")]

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.cs

@@ -1006,26 +1006,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((GambatteSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((GambatteSyncSettings)o);
-		}
-
 		public class GambatteSettings
 		{
 			private static readonly int[] DefaultPalette = new[]

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/GambatteLink.cs

@@ -542,26 +542,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 			return L.PutSyncSettings(o.L) || R.PutSyncSettings(o.R);
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((GambatteLinkSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((GambatteLinkSyncSettings)o);
-		}
-
 		public class GambatteLinkSettings
 		{
 			public Gameboy.GambatteSettings L;

BizHawk.Emulation.Cores/Consoles/Nintendo/N64/N64.cs

@@ -505,26 +505,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.N64
 			return true;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((N64Settings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((N64SyncSettings)o);
-		}
-
 		private void SetControllerButtons()
 		{
 			ControllerDefinition.BoolButtons.Clear();

BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.cs

@@ -967,26 +967,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((NESSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((NESSyncSettings)o);
-		}
-
 		public class NESSettings
 		{
 			public bool AllowMoreThanEightSprites = false;

BizHawk.Emulation.Cores/Consoles/Nintendo/QuickNES/QuickNES.cs

@@ -539,26 +539,6 @@ namespace BizHawk.Emulation.Cores.Consoles.Nintendo.QuickNES
 			return false;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((QuickNESSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((QuickNESSyncSettings)o);
-		}
-
 		#endregion
 
 		public void Dispose()

BizHawk.Emulation.Cores/Consoles/Nintendo/SNES/LibsnesCore.cs

@@ -1201,26 +1201,6 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((SnesSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((SnesSyncSettings)o);
-		}
-
 		public class SnesSettings
 		{
 			public bool ShowBG1_0 = true;

BizHawk.Emulation.Cores/Consoles/PC Engine/PCEngine.cs

@@ -591,26 +591,6 @@ namespace BizHawk.Emulation.Cores.PCEngine
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((PCESettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((PCESyncSettings)o);
-		}
-
 		public class PCESettings
 		{
 			public bool ShowBG1 = true;

BizHawk.Emulation.Cores/Consoles/Sega/SMS/SMS.cs

@@ -609,26 +609,6 @@ namespace BizHawk.Emulation.Cores.Sega.MasterSystem
 			return ret;	
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((SMSSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((SMSSyncSettings)o);
-		}
-
 		public SMSSettings Settings;
 		public SMSSyncSettings SyncSettings;
 

BizHawk.Emulation.Cores/Consoles/Sega/Saturn/Yabause.cs

@@ -724,26 +724,6 @@ namespace BizHawk.Emulation.Cores.Sega.Saturn
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((object)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((SaturnSyncSettings)o);
-		}
-
 		public class SaturnSyncSettings
 		{
 			[DisplayName("Open GL Mode")]

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

@@ -802,26 +802,6 @@ namespace BizHawk.Emulation.Cores.Consoles.Sega.gpgx
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((GPGXSettings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((GPGXSyncSettings)o);
-		}
-
 		public class GPGXSettings
 		{
 			[DisplayName("Background Layer A")]

BizHawk.Emulation.Cores/Consoles/WonderSwan/WonderSwan.cs

@@ -522,26 +522,6 @@ namespace BizHawk.Emulation.Cores.WonderSwan
 			return ret;
 		}
 
-		object ISettable.GetSettings()
-		{
-			return GetSettings();
-		}
-
-		bool ISettable.PutSettings(object o)
-		{
-			return PutSettings((Settings)o);
-		}
-
-		object ISettable.GetSyncSettings()
-		{
-			return GetSyncSettings();
-		}
-
-		bool ISettable.PutSyncSettings(object o)
-		{
-			return PutSyncSettings((SyncSettings)o);
-		}
-
 		#endregion
 
 		#region IVideoProvider