Fix bug with coconut-milk craft

When crafting, tool used was fully repaired.
Now crafting will do damages on tool used instead.

crafts.lua

@@ -117,10 +117,39 @@ for i in ipairs(moretrees.cutting_tools) do
 		},
 		replacements = {
 			{ "moretrees:coconut", "moretrees:raw_coconut" },
-			{ tool, tool }
 		}
 	})
 end
+-- give tool back with wear preserved
+minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
+	if (itemstack:get_name() == "moretrees:coconut_milk") then
+		for i, j in pairs(old_craft_grid) do
+			-- find tool used to do the craft
+			local ocg_name = j:get_name()
+			if ((ocg_name ~= "") and (ocg_name ~= "moretrees:coconut") and (ocg_name ~= "vessels:drinking_glass")) then
+				-- create a new tool and set wear
+				local t = ItemStack(ocg_name)
+				local w = j:get_wear()
+				-- works if tool used is an axe
+				local uses = j:get_tool_capabilities().groupcaps.choppy.uses or 0
+				if (w == 0 and uses ~= 0) then
+					-- tool has never been used
+					-- use tool once
+					t:set_wear(65535/(9*(uses - 1)))
+				else
+					-- set wear back
+					t:set_wear(w)
+					-- use tool once
+					if (uses ~= 0) then
+						t:add_wear(65535/(9*(uses - 1)))
+					end
+				end
+				-- add to craft inventory
+				craft_inv:add_item("craft", t)
+			end
+		end
+  	end
+end)
 
 minetest.register_craft({
 	type = "shapeless",

mod.conf

@@ -1 +1,3 @@
 name = moretrees
+depends = default, biome_lib, vessels
+optional_depends = doors stairs, moreblocks, intllib, farming