From a189411d26e5ba5fa232a90007c665f1afdf0b13 Mon Sep 17 00:00:00 2001
From: "andres.delikat" <andres.delikat@4bbf4f03-6f44-549e-7e59-35d4b0962838>
Date: Sun, 5 Jun 2011 16:29:09 +0000
Subject: [PATCH] Progress on convertFCM and beginning of convertMMV

---
 BizHawk.MultiClient/movie/MovieConvert.cs | 116 ++++++++++++++++------
 1 file changed, 86 insertions(+), 30 deletions(-)

diff --git a/BizHawk.MultiClient/movie/MovieConvert.cs b/BizHawk.MultiClient/movie/MovieConvert.cs
index 43ab8c9eca..5e2364611c 100644
--- a/BizHawk.MultiClient/movie/MovieConvert.cs
+++ b/BizHawk.MultiClient/movie/MovieConvert.cs
@@ -25,7 +25,7 @@ namespace BizHawk.MultiClient
             for (int x = 0; x < 4; x++)
                 flags[x] = r.ReadByte();
 
-            UInt32 length = r.ReadUInt32();
+            UInt32 InputLength = r.ReadUInt32();
             
             UInt32 rerecords = r.ReadUInt32();
             m.SetHeaderLine(MovieHeader.RERECORDS, rerecords.ToString());
@@ -34,16 +34,12 @@ namespace BizHawk.MultiClient
             UInt32 savestateOffset = r.ReadUInt32();
             UInt32 firstFrameOffset = r.ReadUInt32();
 
-            //TODO: ROM checksum movie header line
             byte[] romCheckSum = r.ReadBytes(16);
-            
+            //TODO: ROM checksum movie header line
+
             UInt32 EmuVersion = r.ReadUInt32();
             m.SetHeaderLine(MovieHeader.EMULATIONVERSION, "FCEU " + EmuVersion.ToString());
 
-            //rom Filename
-            
-
-            
             List<byte> romBytes = new List<byte>();
             while (true)
             {
@@ -69,47 +65,107 @@ namespace BizHawk.MultiClient
             m.SetHeaderLine(MovieHeader.AUTHOR, author);
 
             r.ReadByte(); //Advance past null byte
-
-            int xx = 0;
             
-            //synchack
-            //flags[0] & 16
+            bool movieSyncHackOn = true;
+            if ((int)(flags[0] & 16) > 0)
+                movieSyncHackOn = false;
+
+            bool pal = false;
+            if ((int)(flags[0] & 4) > 0)
+                pal = true;
+
+            m.SetHeaderLine("PAL", pal.ToString());
 
-            //pal
-            //flags[0] & 4
-                
             //Power on vs reset
-            //flags[0] & 8 = power on
+            if ((int)(flags[0] & 8) > 0)
+            { } //Power-on = default
+            else if ((int)(flags[0] & 2) > 0)
+            { } //we don't support start from reset, do some kind of notification here
+            else
+            { } //this movie starts from savestate, freak out here
 
-
-            //flags[0] & 2 = reset
-            
-
-            //else starts from savestate so freak out, this isn't supported
-            
+            //Advance to first byte of input data
+            byte[] throwaway = new byte[firstFrameOffset];
+            r.Read(throwaway, 0, (int)firstFrameOffset);
 
             //moviedatasize stuff
 
             //read frame data
-            byte joopcmd = 0;
-            for (int x = 0; x < length; x++)
-            {
-                joopcmd = 0;
-                //Check for reset or power-on on first frame
+            //TODO: special commands like fds disk switch, etc, and power/reset
 
+            //TODO: use stringbuilder class for speed
+            string ButtonLookup = "RLDUSsBARLDUSsBARLDUSsBARLDUSsBA"; //TODO: This assumes input data is the same in fcm as bizhawk, which it isn't
+            string frame = "|0|"; //TODO: read reset command rather than hard code it off
+            for (int x = 0; x < InputLength; x++)
+            {
+                for (int y = 0; y < 8; y++) //TODO: read all controllers!
+                {
+                    //TODO: Check for reset or power-on on first frame
+                    int z = r.ReadBit();
+                    if (z > 0)
+                        frame += ButtonLookup[y];
+                    else
+                        frame += ".";
+                }
+                frame += "|";
+                for (int y = 0; y < 24; y++)
+                    r.ReadBit();    //lose 3 remaining controllers for now
+                m.AddFrame(frame);
             }
 
 
             //set 4 score flag if necessary
-
+            r.Close();
             return m;
         }
 
-        public static string ConvertMMV(string path)
+        public static Movie ConvertMMV(string path)
         {
-            string converted = Path.ChangeExtension(path, ".tas");
+            Movie m = new Movie(Path.ChangeExtension(path, ".tas"), MOVIEMODE.PLAY);
+
+            FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
+            BinaryReader r = new BinaryReader(fs);
+
+            UInt32 signature = r.ReadUInt32();
+            //4 asci encoded chars, convert.  If not MMV\0 then error
+
+            UInt32 version = r.ReadUInt32();
+            //TODO: 4 ascii encoded chars, format properly
+            m.SetHeaderLine(MovieHeader.MovieVersion, "Dega version " + version.ToString());
+
+            UInt32 framecount = r.ReadUInt32();
             
-            return converted;
+            UInt32 rerecords = r.ReadUInt32();
+            m.SetHeaderLine(MovieHeader.RERECORDS, rerecords.ToString());
+
+            UInt32 IsFromReset = r.ReadUInt32();
+            //TODO: we don't support movies that fail to start from reset
+
+            UInt32 stateOffset = r.ReadUInt32();
+            UInt32 inputDataOffset = r.ReadUInt32();
+            UInt32 inputPacketSize = r.ReadUInt32();
+            
+            byte[] authorBytes = new byte[24];
+            for (int x = 0; x < 24; x++)
+                authorBytes[x] = r.ReadByte();
+
+            string author = System.Text.Encoding.UTF8.GetString(authorBytes.ToArray());
+            //TODO: remove null characters
+            m.SetHeaderLine(MovieHeader.AUTHOR, author);
+
+            //4-byte little endian flags
+            r.ReadBit(); //First bit unused
+
+            int pal = r.ReadBit();
+            int japan = r.ReadBit();
+            int gamegear = r.ReadBit();
+
+            for (int x = 0; x < 28; x++)
+                r.ReadBit();     //Unused
+
+            
+
+            return m;
         }
 
         public static string ConvertMCM(string path)