railscaff: add variable lightblock

clientmods/scaffold/railscaffold.lua

@@ -16,16 +16,20 @@ local rails = {
 
 local tunnelmaterial = {
     'mcl_core:glass_light_blue',
+    'mcl_core:glass',
     'mcl_core:cobble',
     'mcl_core:stone',
     'mcl_nether:netherrack',
     'mcl_core:dirt',
     'mcl_core:andesite',
     'mcl_core:diorite',
-    'mcl_core:granite'
-    --"mesecons_torch:redstoneblock"
+    'mcl_core:granite',
+    "mesecons_torch:redstoneblock"
 }
 
+local lightblock = "mcl_ocean:sea_lantern"
+--local lightblock = "mcl_nether:glowstone"
+
 local function is_rail(pos)
     pos=vector.round(pos)
     if pos.y ~= 1 then return false end