Destroy end portal when surrounding bedrock goes

mods/ITEMS/mcl_portals/portal_end.lua

@@ -6,6 +6,21 @@ local SPAWN_MAX = mcl_vars.mg_end_min+98
 
 local mg_name = minetest.get_mapgen_setting("mg_name")
 
+local destroy_portal = function(pos)
+	local neighbors = {
+		{ x=1, y=0, z=0 },
+		{ x=-1, y=0, z=0 },
+		{ x=0, y=0, z=1 },
+		{ x=0, y=0, z=-1 },
+	}
+	for n=1, #neighbors do
+		local npos = vector.add(pos, neighbors[n])
+		if minetest.get_node(npos).name == "mcl_portals:portal_end" then
+			minetest.remove_node(npos)
+		end
+	end
+end
+
 -- End portal
 minetest.register_node("mcl_portals:portal_end", {
 	description = S("End Portal"),
@@ -46,6 +61,7 @@ minetest.register_node("mcl_portals:portal_end", {
 	light_source = 14,
 	post_effect_color = {a = 192, r = 0, g = 0, b = 0},
 	alpha = 192,
+	after_destruct = destroy_portal,
 	-- This prevents “falling through”
 	collision_box = {
 		type = "fixed",
@@ -398,4 +414,7 @@ minetest.override_item("mcl_end:ender_eye", {
 		return itemstack
 	end,
 })
+minetest.override_item("mcl_core:bedrock", {
+	after_destruct = destroy_portal,
+})