Implemented ImportMCM()

This commit is contained in:
taotao54321 2012-03-09 09:24:47 +00:00
parent 78c13395a2
commit da9c95c38e
1 changed files with 87 additions and 1 deletions

View File

@ -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;
}
}
}
}