store receive envelope chunks in snapshots

ObjectState/TrackSends.cpp

@@ -30,6 +30,8 @@
 #include "../SnM/SnM_Dlg.h"
 #include "TrackSends.h"
 
+#include "SnM\SnM_ChunkParserPatcher.h"
+
 // Functions for getting/setting track sends
 
 // Resolve missing receive tracks
@@ -212,6 +214,8 @@ void TrackSends::Build(MediaTrack* tr)
 	while ((pDest = (MediaTrack*)GetSetTrackSendInfo(tr, 0, idx++, "P_DESTTRACK", NULL)))
 	{
 		GUID guid = *(GUID*)GetSetMediaTrackInfo(pDest, "GUID", NULL);
+
+		/* // NF: disabled this check for now because we need to parse anyway to get the receive env's chunks
 		// Have we already parsed this particular dest track string?
 		bool bParsed = false;
 		for (int i = 0; i < m_sends.GetSize(); i++)
@@ -222,15 +226,31 @@ void TrackSends::Build(MediaTrack* tr)
 			}
 		if (bParsed)
 			continue;
+		*/
 
 		// We haven't parsed yet!
 		trackStr = SWS_GetSetObjectState(pDest, NULL);
 		pos = 0;
+		WDL_FastString receiveEnvs;
+		SNM_ChunkParserPatcher p(pDest);
+
 		while (GetChunkLine(trackStr, line, 4096, &pos, false))
 		{
 			if (strncmp(line, searchStr, strlen(searchStr)) == 0)
-				m_sends.Add(new TrackSend(&guid, line));
+				receiveEnvs.Append(line);
 		}
+
+		// store the receive env's chunks
+		receiveEnvs.Append("\n");
+		WDL_FastString AUXVOL, AUXPAN, AUXMUTE;
+		if (p.GetSubChunk("AUXVOLENV", 2, 0, &AUXVOL, "MIDIOUT"))
+			receiveEnvs.Append(&AUXVOL);
+		if (p.GetSubChunk("AUXPANENV", 2, 0, &AUXPAN, "MIDIOUT"))
+			receiveEnvs.Append(&AUXPAN);
+		if (p.GetSubChunk("AUXMUTEENV", 2, 0, &AUXMUTE, "MIDIOUT"))
+			receiveEnvs.Append(&AUXMUTE);
+
+		m_sends.Add(new TrackSend(&guid, receiveEnvs.Get()));
 		SWS_FreeHeapPtr(trackStr);
 	}
 }