+ collection and level specific folder backgrounds

scripts/songselect/filterwheel.lua

@@ -3,8 +3,9 @@ local Easing = require('common.easings');
 local SongSelectHeader = require('components.headers.songSelectHeader')
 local Footer = require('components.footer');
 
-local defaultFolderBgImage = gfx.CreateSkinImage(
-                                 'song_select/filter_wheel/bg.png', 0)
+local defaultFolderBgImage = gfx.CreateSkinImage('song_select/filter_wheel/bg.png', 0)
+local collectionFolderBgImage = gfx.CreateSkinImage('song_select/filter_wheel/col_bg.png', 0)
+local subFolderBgImage = gfx.CreateSkinImage('song_select/filter_wheel/sub_bg.png', 0)
 
 local cursorImages = {
     gfx.CreateSkinImage("song_select/cursor.png", 1), -- Effective rate or fallback
@@ -115,9 +116,21 @@ end
 
 function getFolderData(folderLabel)
     local folderType = 'unknown';
+    local isSpecial = false;
+
+    local folderBgImage = defaultFolderBgImage;
+    if selectionMode == 'levels' then
+        folderBgImage = subFolderBgImage
+    end
+    
+
     if (string.find(folderLabel, 'Folder: ')) then
         folderType = 'folder';
         folderLabel = folderLabel:gsub('Folder: ', '') -- Delete default prefix
+    elseif (string.find(folderLabel, 'Collection: ')) then
+        folderType = 'collection';
+        folderLabel = folderLabel:gsub('Collection: ', '') -- Delete default prefix
+        folderBgImage = collectionFolderBgImage;
     elseif (string.find(folderLabel, 'Level: ')) then
         folderType = 'level';
         folderLabel = folderLabel:gsub('Level: ', '') -- Delete default prefix
@@ -125,8 +138,6 @@ function getFolderData(folderLabel)
     end
 
     local labelMatcherString = string.upper(folderLabel)
-    local folderBgImage = defaultFolderBgImage;
-    local isSpecial = false;
 
     for i, specialFolder in ipairs(specialFolders) do
         for i, specialFolderKey in ipairs(specialFolder.keys) do