From fa70413c82c78a9624c7d2af5d9c33e12fcde745 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Sat, 10 Mar 2012 01:57:59 +0200
Subject: [PATCH] Add a small bunch of notes about groups in
 mods/default/init.lua

---
 data/mods/default/init.lua | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/data/mods/default/init.lua b/data/mods/default/init.lua
index c37f0e815..09648699d 100644
--- a/data/mods/default/init.lua
+++ b/data/mods/default/init.lua
@@ -429,6 +429,18 @@
 --     chance = 1, -- (chance of trigger is 1.0/this)
 --     action = func(pos, node, active_object_count, active_object_count_wider),
 -- }
+--
+-- Item groups:
+-- - Groups always have a rating associated with them. If there is no
+--   useful meaning for a rating for a given group, it shall be 1.
+-- - When not defined, the rating of a group defaults to 0.
+--
+-- Special groups:
+-- - dig_immediate:
+--   - 2: node is removed without tool wear after 1 second or so
+--   - 3: node is removed without tool wear immediately (like a torch)
+-- - level: Can be used to give an additional sense of progression in the game.
+--   - 0 is something that is directly accessible at the start of gameplay
 
 WATER_ALPHA = 160
 WATER_VISC = 1
-- 
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