From 1dc0febd8c971282438dddaa6547c7a26556272d Mon Sep 17 00:00:00 2001
From: Vanessa Dannenberg <vanessa.e.dannenberg@gmail.com>
Date: Wed, 7 Apr 2021 05:26:31 -0400
Subject: [PATCH] print a message when the queue goes idle.

---
 init.lua | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/init.lua b/init.lua
index 0a9945a..0d0c47b 100644
--- a/init.lua
+++ b/init.lua
@@ -770,6 +770,11 @@ if DEBUG_LEVEL >= 3 then
 		if biome_lib.last_count ~= #biome_lib.block_log then
 			biome_lib.dbg("Pending block count: "..(#biome_lib.block_log + #biome_lib.block_recheck_list), 3)
 			biome_lib.last_count = #biome_lib.block_log
+			biome_lib.queue_idle_flag = false
+		elseif not biome_lib.queue_idle_flag then
+			biome_lib.dbg("Mapblock queue only contains blocks that can't yet be processed.",  3)
+			biome_lib.dbg("Idling the queue until new mapblocks show up.",  3)
+			biome_lib.queue_idle_flag = true
 		end
 		minetest.after(1, biome_lib.show_pending_block_count)
 	end