ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Preliminary VBM conversion.

This commit is contained in:
andrewjpritchard 2011-07-04 13:54:17 +00:00
parent b6bd94242f
commit 968c07e7d3
2 changed files with 156 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
BizHawk.MultiClient/movie/InputAdapters.cs
View File

@ -71,7 +71,7 @@ namespace BizHawk.MultiClient
if (ControlType == "Gameboy Controller")
{
input.Append("|");
input.Append(".|"); //TODO: reset goes here
input.Append(IsBasePressed("Right") ? "R" : ".");
input.Append(IsBasePressed("Left") ? "L" : ".");
input.Append(IsBasePressed("Down") ? "D" : ".");
@ -80,6 +80,9 @@ namespace BizHawk.MultiClient
input.Append(IsBasePressed("Select") ? "s" : ".");
input.Append(IsBasePressed("B") ? "B" : ".");
input.Append(IsBasePressed("A") ? "A" : ".");
input.Append("|");
return input.ToString();
}
if (ControlType == "NES Controls")

152
BizHawk.MultiClient/movie/MovieConvert.cs
View File

@ -362,8 +362,160 @@ namespace BizHawk.MultiClient
public static Movie ConvertVBM(string path)
{
//Converts vbm to native text based format.
Movie m = new Movie(Path.ChangeExtension(path, ".tas"), MOVIEMODE.PLAY);
FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader r = new BinaryReader(fs);
//0xoffset
//0x00
UInt32 signature = r.ReadUInt32(); //always 56 42 4D 1A (VBM\x1A)
if (signature != 0x56424D1A) { } //TODO Throw exception: file is not VBM
UInt32 versionno = r.ReadUInt32(); //always 1
UInt32 uid = r.ReadUInt32(); //time of recording
m.SetHeaderLine(MovieHeader.GUID, uid.ToString());
UInt32 framecount = r.ReadUInt32();
m.Frames = (int) framecount;
//0x10
UInt32 rerecordcount = r.ReadUInt32();
m.rerecordCount = (int)rerecordcount;
m.SetHeaderLine(MovieHeader.RERECORDS, m.rerecordCount.ToString());
Byte moviestartflags = r.ReadByte();
bool startfromquicksave = false;
bool startfromsram = false;
if ((moviestartflags & 0x01) > 0) startfromquicksave = true;
if ((moviestartflags & 0x02) > 0) startfromsram = true;
if (startfromquicksave & startfromsram)
{
//TODO: Throw exception: movie file invalid
}
//0x15
Byte controllerflags = r.ReadByte();
int numControllers; //number of controllers changes for SGB
if ((controllerflags & 0x08) > 0) numControllers = 4;
else if ((controllerflags & 0x04) > 0) numControllers = 3;
else if ((controllerflags & 0x02) > 0) numControllers = 2;
else numControllers = 1;
//0x16
Byte systemflags = r.ReadByte(); //what system is it?
bool is_gba = false;
bool is_gbc = false;
bool is_sgb = false;
bool is_gb = false;
if ((systemflags & 0x04) > 0) is_sgb = true;
if ((systemflags & 0x02) > 0) is_gbc = true;
if ((systemflags & 0x01) > 0) is_gba = true;
else is_gb = true;
if (is_gb & is_gbc & is_gba & is_sgb)
{
//TODO: throw exception: movie file invalid
}
//TODO: set platform in header
//0x17
Byte flags = r.ReadByte(); //emulation flags
//placeholder for reserved bit (set to 0)
bool echoramfix = false;
bool gbchdma5fix = false;
bool lagreduction = false;
//placeholder for unsupported bit
bool rtcenable = false;
bool skipbiosfile = false;
bool usebiosfile = false;
if ((flags & 0x40) > 0) echoramfix = true;
if ((flags & 0x20) > 0) gbchdma5fix = true;
if ((flags & 0x10) > 0) lagreduction = true;
if ((flags & 0x08) > 0) { } //TODO: Throw exception: movie file invalid
if ((flags & 0x04) > 0) rtcenable = true;
if ((flags & 0x02) > 0) skipbiosfile = true;
if ((flags & 0x01) > 0) usebiosfile = true;
//0x18
UInt32 winsavetype = r.ReadUInt32();
UInt32 winflashsize = r.ReadUInt32();
//0x20
UInt32 gbemulatortype = r.ReadUInt32();
char[] internalgamename = r.ReadChars(0x0C);
string gamename = new String(internalgamename);
m.SetHeaderLine(MovieHeader.GAMENAME, gamename);
//0x30
Byte minorversion = r.ReadByte();
Byte internalcrc = r.ReadByte();
UInt16 internalchacksum = r.ReadUInt16();
UInt32 unitcode = r.ReadUInt32();
UInt32 saveoffset = r.ReadUInt32(); //set to 0 if unused
UInt32 controllerdataoffset = r.ReadUInt32();
//0x40 start info.
char[] authorsname = r.ReadChars(0x40); //vbm specification states these strings
string author = new String(authorsname); //are locale dependant.
m.SetHeaderLine(MovieHeader.AUTHOR, author);
//0x80
char[] moviedescription = r.ReadChars(0x80);
//0x0100
//End of VBM header
//if there is no SRAM or savestate, the controller data should start at 0x0100 by default,
//but this is not buaranteed
//TODO: implement start data. There are no specifics on the googlecode page as to how long
//the SRAM or savestate should be.
UInt32 framesleft = framecount;
r.BaseStream.Position = controllerdataoffset; //advances to controller data.
int currentoffset = (int)controllerdataoffset;
for (int i = 1; i <= framecount; i++)
{
UInt16 controllerstate = r.ReadUInt16();
string frame = "|.|"; //TODO: reset goes here
if ((controllerstate & 0x0010) > 0) frame += "R"; else frame += ".";
if ((controllerstate & 0x0020) > 0) frame += "L"; else frame += ".";
if ((controllerstate & 0x0080) > 0) frame += "D"; else frame += ".";
if ((controllerstate & 0x0040) > 0) frame += "U"; else frame += ".";
if ((controllerstate & 0x0008) > 0) frame += "S"; else frame += ".";
if ((controllerstate & 0x0004) > 0) frame += "s"; else frame += ".";
if ((controllerstate & 0x0002) > 0) frame += "B"; else frame += ".";
if ((controllerstate & 0x0001) > 0) frame += "A"; else frame += ".";
frame += "|";
m.AppendFrame(frame);
}
m.WriteMovie();
//format: |.|RLDUSsBA| according to "GetControllersAsMnemonic()"
//note: this is GBC or less ONLY, not GBA (no L or R button)
//we need to change this when we add reset or whatever.
//VBM file format: http://code.google.com/p/vba-rerecording/wiki/VBM
return m;
}
}