From da9c95c38e5a7c73eff9c39d1a3665bc43f61893 Mon Sep 17 00:00:00 2001
From: taotao54321 <taotao54321@gmail.com>
Date: Fri, 9 Mar 2012 09:24:47 +0000
Subject: [PATCH] Implemented ImportMCM()
---
BizHawk.MultiClient/movie/MovieImport.cs | 88 +++++++++++++++++++++++-
1 file changed, 87 insertions(+), 1 deletion(-)
diff --git a/BizHawk.MultiClient/movie/MovieImport.cs b/BizHawk.MultiClient/movie/MovieImport.cs
index 6a3c5c2191..1272beba4c 100644
--- a/BizHawk.MultiClient/movie/MovieImport.cs
+++ b/BizHawk.MultiClient/movie/MovieImport.cs
@@ -851,12 +851,98 @@ namespace BizHawk.MultiClient
}
// MCM file format: http://code.google.com/p/mednafen-rr/wiki/MCM
+ // Mednafen-rr switched to MC2 from r261, so see r260 for details.
private static Movie ImportMCM(string path, out string errorMsg, out string warningMsg)
{
+ const string SIGNATURE = "MDFNMOVI";
+ const int MOVIE_VERSION = 1;
+ const string CONSOLE_PCE = "pce";
+ const string CTRL_TYPE_PCE = "PC Engine Controller";
+ string[] CTRL_BUTTONS = {
+ "B1", "B2", "Select", "Run", "Up", "Right", "Down", "Left"
+ };
+ const int INPUT_SIZE_PCE = 11;
+ const int INPUT_PORT_COUNT = 5;
+
errorMsg = "";
warningMsg = "";
Movie m = new Movie(Path.ChangeExtension(path, ".tas"), MOVIEMODE.PLAY);
+
+ // Unless otherwise noted, all values are little-endian.
+ FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
+ BinaryReader r = new BinaryReader(fs);
+ // 000 8-byte signature: 4D 44 46 4E 4D 4F 56 49 "MDFNMOVI"
+ string signature = r.ReadStringFixedAscii(SIGNATURE.Length);
+ if (signature != SIGNATURE)
+ {
+ errorMsg = "This is not a valid .MCM file.";
+ goto FAIL;
+ }
+ // 008 uint32: emulator version, current is 0x0000080A
+ uint emuVersion = r.ReadUInt32();
+ m.Header.Comments.Add(EMULATIONORIGIN + " Mednafen " + emuVersion.ToString());
+ // 00C uint32: movie format version, must be 1
+ uint version = r.ReadUInt32();
+ if (version != MOVIE_VERSION)
+ {
+ errorMsg = ".MCM movie version must always be 1.";
+ goto FAIL;
+ }
+ m.Header.Comments.Add(MOVIEORIGIN + " .MCM version " + version);
+ // 010 32-byte (actually, 16-byte) md5sum of the ROM used
+ byte[] MD5 = r.ReadBytes(16);
+ r.ReadBytes(16); // discard
+ m.Header.SetHeaderLine("MD5", BizHawk.Util.BytesToHexString(MD5).ToLower());
+ // 030 64-byte filename of ROM used (with extension)
+ string gameName = RemoveNull(r.ReadStringFixedAscii(64));
+ m.Header.SetHeaderLine(MovieHeader.GAMENAME, gameName);
+ // 070 uint32: re-record count
+ uint rerecordCount = r.ReadUInt32();
+ m.SetRerecords((int)rerecordCount);
+ // 074 5-byte console indicator (pce, ngp, pcfx, wswan)
+ string console = RemoveNull(r.ReadStringFixedAscii(5));
+ if (console != CONSOLE_PCE) // for now, bizhawk does not support ngp, pcfx, wswan
+ {
+ errorMsg = "Only PCE movies are supported.";
+ goto FAIL;
+ }
+ string platform = "PCE";
+ m.Header.SetHeaderLine(MovieHeader.PLATFORM, platform);
+ // 079 32-byte author name
+ string author = RemoveNull(r.ReadStringFixedAscii(32));
+ m.Header.SetHeaderLine(MovieHeader.AUTHOR, author);
+ // 099 103-byte padding 0s
+ r.ReadBytes(103); // discard
+
+ // 100 variable: input data
+ // For PCE, BizHawk does not have any control command. So I ignore any command.
+ for (byte[] input = r.ReadBytes(INPUT_SIZE_PCE);
+ input.Length == INPUT_SIZE_PCE;
+ input = r.ReadBytes(INPUT_SIZE_PCE))
+ {
+ SimpleController controllers = new SimpleController();
+ controllers.Type = new ControllerDefinition();
+ controllers.Type.Name = CTRL_TYPE_PCE;
+ for (int player = 1; player <= INPUT_PORT_COUNT; ++player)
+ {
+ byte pad = input[1+2*(player-1)];
+ for(int i = 0; i < 8; ++i)
+ {
+ if ((pad & (1<<i)) != 0)
+ controllers["P" + player + " " + CTRL_BUTTONS[i]] = true;
+ }
+ }
+ MnemonicsGenerator mg = new MnemonicsGenerator();
+ mg.SetSource(controllers);
+ m.AppendFrame(mg.GetControllersAsMnemonic());
+ }
+
return m;
+
+FAIL:
+ r.Close();
+ fs.Close();
+ return null;
}
// MC2 file format: http://code.google.com/p/pcejin/wiki/MC2
@@ -1354,4 +1440,4 @@ namespace BizHawk.MultiClient
return m;
}
}
-}
\ No newline at end of file
+}