From ae3e8eff08f9dc5861935929ef5b88dad41d4366 Mon Sep 17 00:00:00 2001
From: Duane <duane@duanerobertson.com>
Date: Fri, 15 Jul 2016 04:35:39 -0500
Subject: [PATCH] Prevent giant trees from being breached by fungal trees.

---
 abms.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/abms.lua b/abms.lua
index 6acdccf..74fd235 100644
--- a/abms.lua
+++ b/abms.lua
@@ -846,7 +846,7 @@ local function destroy(pos, cid)
 	end
 
 	local def = cid_data[cid]
-	if not def or minetest.is_protected(pos, "") then
+	if not (def and def.flammable and def.flammable > 0 and not minetest.is_protected(pos, "")) then
 		return
 	end