Fix dead ongen saplings due to biome_lib secession

default_settings.txt

@@ -130,6 +130,10 @@ moretrees.dates_item_drop_ichance	= 10 		-- inverse probability of ripe dates dr
 moretrees.sapling_interval		= 100
 moretrees.sapling_chance		= 5
 
+-- Enable this only if you have used an old moretrees version which was using biome_lib
+-- and when you notice large areas with ongen saplings that don't grow
+moretrees.grow_legacy_saplings	= false
+
 -- If this variable is set to true, drop leaves out as entities during leaf
 -- decay, rather than just disappearing them.
 

init.lua

@@ -383,4 +383,17 @@ function moretrees.grow_fir_snow(pos)
 	minetest.spawn_tree(pos,moretrees.fir_model)
 end
 
-print("[Moretrees] Loaded (2013-02-11)")
+if moretrees.grow_legacy_saplings then
+	minetest.register_lbm({
+		name = "moretrees:grow_ongen_saplings",
+		label = "Grow legacy ongen saplings",
+		nodenames = {"group:moretrees_ongen"},
+		run_at_every_load = true,
+		action = function(pos)
+			minetest.log("info", "[moretrees] Starting growth timer for legacy ongen sapling at "..minetest.pos_to_string(pos, 0))
+			minetest.get_node_timer(pos):start(math.random(2, 10))
+		end
+	})
+end
+
+minetest.log("info", "[moretrees] Loading done")

node_defs.lua

@@ -471,7 +471,15 @@ for i in ipairs(moretrees.treelist) do
 		})
 	end
 
-	local ongen_groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1,not_in_creative_inventory=1}
+	local ongen_groups = {
+		snappy = 2,
+		dig_immediate = 3,
+		flammable = 2,
+		attached_node = 1,
+		sapling = 1,
+		moretrees_ongen = 1,
+		not_in_creative_inventory = 1
+	}
 	if minetest.settings:get_bool("creative_mode", false) then
 		ongen_groups["not_in_creative_inventory"]=nil
 	end

settings.lua

@@ -74,6 +74,10 @@ moretrees.dates_item_drop_ichance	= tonumber(stg:get("moretrees.dates_item_drop_
 moretrees.sapling_interval		= 100
 moretrees.sapling_chance		= 5
 
+-- Enable this only if you have used an old moretrees version which was using biome_lib
+-- and when you notice large areas with ongen saplings that don't grow
+moretrees.grow_legacy_saplings	= stg:get_bool("moretrees.grow_legacy_saplings", false)
+
 -- If this variable is set to true, drop leaves out as entities during leaf
 -- decay, rather than just disappearing them.
 moretrees.decay_leaves_as_items = stg:get_bool("moretrees.decay_leaves_as_items", false)