More settings in config.lua, inc. minimum items

Moved all new settings into config, bumped declared version number, made
minimum number of items in a chest configurable.

abms.lua

@@ -23,7 +23,9 @@ minetest.register_abm({
 	end,
 })
 
-local MAX_ITEMS = 5 --maximum number of items to put in chests - do not set to less than 2
+local MIN_ITEMS = caverealms.config.min_items--2 --minimum number of items to put in chests - do not set to greater than MAX_ITEMS
+local MAX_ITEMS = caverealms.config.max_items--5 --maximum number of items to put in chests - do not set to less than MIN_ITEMS
+
 --table of itemstrings
 local ITEMS = {
 	"default:diamond",
@@ -46,7 +48,7 @@ minetest.register_abm({
 		minetest.set_node(pos, {name="default:chest", param2=oldparam})
 		minetest.after(1.0, function()
 			local inv = minetest.get_inventory({type="node", pos=pos})
-			local item_num = math.random(1, MAX_ITEMS)
+			local item_num = math.random(MIN_ITEMS, MAX_ITEMS)
 			for i = 1, item_num do
 				item_i = math.random(8) --if you add or subtract items from ITEMS, be sure to change this value to reflect it
 				inv:add_item("main", ITEMS[item_i])

config.lua

@@ -43,3 +43,15 @@ setting("number", "myccha", 0.03) --chance of mycena mushrooms
 setting("number", "wormcha", 0.02) --chance of glow worms
 setting("number", "giantcha", 0.001) --chance of giant mushrooms
 setting("number", "icicha", 0.035) --chance of icicles
+setting("number", "flacha", 0.04) --chance of constant flames
+setting("number", "founcha", 0.001) --chance of fountains
+setting("number", "fortcha", 0.0003) --chance of fortresses
+
+--realm limits for Dungeon Masters' Lair
+setting("number", "dm_top", -4000) --upper limit 
+setting("number", "dm_bot", -5000) --lower limit 
+
+--minimum number of items in chests found in fortresses
+setting("number", "min_items", 2)
+--maximum number of items in chests found in fortresses
+setting("number", "max_items", 5)
\ No newline at end of file

init.lua

--- caverealms v.0.3 by HeroOfTheWinds
+-- caverealms v.0.4 by HeroOfTheWinds
 -- original cave code modified from paramat's subterrain
 -- For Minetest 0.4.8 stable
 -- Depends default
@@ -38,12 +38,12 @@ local MYCCHA = caverealms.config.myccha --0.03 --chance of mycena mushrooms
 local WORMCHA = caverealms.config.wormcha --0.03 --chance of glow worms
 local GIANTCHA = caverealms.config.giantcha --0.001 -- chance of giant mushrooms
 local ICICHA = caverealms.config.icicha --0.035 -- chance of icicles
-local FLACHA = 0.04 --chance of constant flames
-local FOUNCHA = 0.001 --chance of statue + fountain
-local FORTCHA = 0.0003 --chance of DM Fortresses
+local FLACHA = caverealms.config.flacha --0.04 --chance of constant flames
+local FOUNCHA = caverealms.config.founcha --0.001 --chance of statue + fountain
+local FORTCHA = caverealms.config.fortcha --0.0003 --chance of DM Fortresses
 
-local DM_TOP = -4000 --level at which Dungeon Master Realms start to appear
-local DM_BOT = -5000 --level at which "" ends
+local DM_TOP = caverealms.config.dm_top -- -4000 --level at which Dungeon Master Realms start to appear
+local DM_BOT = caverealms.config.dm_bot -- -5000 --level at which "" ends
 
 -- 3D noise for caves