Bug fix for children of folder tracks

Routing/Toggle routing and solo to master.lua

@@ -4,9 +4,9 @@
   @link
     Author     https://www.bensmithsound.uk
     Repository https://github.com/bsmith96/Reaper-Scripts
-  @version 1.3
+  @version 1.4
   @changelog
-    # Added user identifier to provided file names
+    # Bug fix: successfully routes tracks in folders to master by routing and soloing the folder too
   @metapackage
   @provides
     [main] . > bsmith96_Toggle routing and solo to master.lua
@@ -20,35 +20,90 @@
 ]]
 
 
+-- =========================================================
+-- =================  GLOBAL VARIABLES  ====================
+-- =========================================================
+
+local r = reaper
+
+-- get the script's name and directory
+local scriptName = ({r.get_action_context()})[2]:match("([^/\\_]+)%.lua$")
+local scriptDirectory = ({r.get_action_context()})[2]:sub(1, ({r.get_action_context()})[2]:find("\\[^\\]*$"))
+
+
+-- =========================================================
+-- ======================  FUNCTIONS  ======================
+-- =========================================================
+
+function getParent(track)
+  parents = {}
+
+  parent = r.GetParentTrack(track)
+
+  while( parent ~= nil )
+  do
+    table.insert(parents, parent)
+    parent = r.GetParentTrack(parent)
+  end
+  return parents
+end
+
+function toggleRouteAndSolo(track)
+  if r.GetMediaTrackInfo_Value(track, "B_MAINSEND") == 1 then
+    r.SetMediaTrackInfo_Value(track, "B_MAINSEND", 0)
+    r.SetMediaTrackInfo_Value(track, "I_SOLO", 0)
+  else
+    r.SetMediaTrackInfo_Value(track, "B_MAINSEND", 1)
+    r.SetMediaTrackInfo_Value(track, "I_SOLO", 1)
+  end
+end
+
+
+-- =========================================================
+-- ======================  UTILITIES  ======================
+-- =========================================================
+
+-- Deliver messages and add new line in console
+function dbg(dbg)
+  r.ShowConsoleMsg(tostring(dbg) .. "\n")
+end
+
+-- Deliver messages using message box
+function msg(msg, title)
+  local title = title or scriptName
+  r.MB(tostring(msg), title, 0)
+end
+
+
 -- ==============================================
 -- ===============  MAIN ROUTINE  ===============
 -- ==============================================
 
 -- count selected tracks
-selectedCount = reaper.CountSelectedTracks(0)
+selectedCount = r.CountSelectedTracks(0)
 
 -- create a table for selected tracks
 tracks = {}
 
 -- get selected tracks
 for i = selectedCount, 0, -1
 do
-  track = reaper.GetSelectedTrack2(0, i, false)
+  track = r.GetSelectedTrack2(0, i, false)
   table.insert(tracks,track)
 end
 
-reaper.Undo_BeginBlock()
-
+r.Undo_BeginBlock()
   -- toggle master routing + solo
   for _, eachTrack in ipairs(tracks) do
-    -- toggle both based on the current state of the master send
-    if reaper.GetMediaTrackInfo_Value(eachTrack, "B_MAINSEND") == 1 then
-      reaper.SetMediaTrackInfo_Value(eachTrack, "B_MAINSEND", 0)
-      reaper.SetMediaTrackInfo_Value(eachTrack, "I_SOLO", 0)
-    else
-      reaper.SetMediaTrackInfo_Value(eachTrack, "B_MAINSEND", 1)
-      reaper.SetMediaTrackInfo_Value(eachTrack, "I_SOLO", 1)
+    eachParents = getParent(eachTrack)
+    -- toggle based on the current state of the master send
+    toggleRouteAndSolo(eachTrack)
+    -- toggle all parent tracks
+    if eachParents[1] ~= nil then
+      for __, eachParent in ipairs(eachParents) do
+        toggleRouteAndSolo(eachParent)
+      end
     end
   end
 
-reaper.Undo_EndBlock("Route tracks to master", -1)
+r.Undo_EndBlock(scriptName, -1)