From e1901631823d9ab5ec3562c35dbc1a2f2b337de5 Mon Sep 17 00:00:00 2001
From: superfloh247 <superfloh@gmx.net>
Date: Sun, 30 May 2021 17:40:26 +0200
Subject: [PATCH] enable underch cobble nodes

---
 tubelib_addons1/grinder.lua | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tubelib_addons1/grinder.lua b/tubelib_addons1/grinder.lua
index 466a4a1..3ea7c22 100644
--- a/tubelib_addons1/grinder.lua
+++ b/tubelib_addons1/grinder.lua
@@ -29,6 +29,19 @@ local CYCLE_TIME = 2
 -- Grinder recipes
 local Recipes = {}
 
+function dump(o)
+	if type(o) == 'table' then
+	   local s = '{ '
+	   for k,v in pairs(o) do
+		  if type(k) ~= 'number' then k = '"'..k..'"' end
+		  s = s .. '['..k..'] = ' .. dump(v) .. ','
+	   end
+	   return s .. '} '
+	else
+	   return tostring(o)
+	end
+ end
+
 local function formspec(self, pos, meta)
 	return "size[8,8]"..
 	default.gui_bg..
@@ -337,6 +350,17 @@ else
 	tubelib.add_grinder_recipe({input="default:sand", output="default:clay"})
 end
 
+if minetest.get_modpath("underch") then
+	for regnodename,v in pairs(minetest.registered_nodes) do
+		if string.find(regnodename, "underch:") then
+			if string.find(regnodename, "_cobble") and not string.find(regnodename, "_wall") then
+				print("tubelib.add_grinder_recipe: " .. regnodename)
+				tubelib.add_grinder_recipe({input=regnodename, output="default:gravel"})
+			end
+		end
+	end
+end
+
 tubelib.add_grinder_recipe({input="default:sandstone", output="default:sand 4"})
 tubelib.add_grinder_recipe({input="default:desert_sandstone", output="default:desert_sand 4"})
 tubelib.add_grinder_recipe({input="default:silver_sandstone", output="default:silver_sand 4"})