From e332c64d2ada9aa5c09f8bb591c7adf17b1632c6 Mon Sep 17 00:00:00 2001
From: Wuzzy <Wuzzy2@mail.ru>
Date: Mon, 18 Feb 2019 23:55:18 +0100
Subject: [PATCH] Respawn armor entity of armor stand on load

---
 .../minetest-3d_armor/3d_armor_stand/init.lua | 23 +++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/mods/ITEMS/minetest-3d_armor/3d_armor_stand/init.lua b/mods/ITEMS/minetest-3d_armor/3d_armor_stand/init.lua
index 76dcec55e4..02eb0bcbdf 100644
--- a/mods/ITEMS/minetest-3d_armor/3d_armor_stand/init.lua
+++ b/mods/ITEMS/minetest-3d_armor/3d_armor_stand/init.lua
@@ -125,6 +125,12 @@ minetest.register_node("3d_armor_stand:armor_stand", {
 			minetest.record_protection_violation(pos, protname)
 			return itemstack
 		end
+
+		local inv = minetest.get_inventory({type = "node", pos = pos})
+		if not inv then
+			return itemstack
+		end
+
 		-- Check if player wields armor
 		local name = itemstack:get_name()
 		local list
@@ -135,11 +141,8 @@ minetest.register_node("3d_armor_stand:armor_stand", {
 				break
 			end
 		end
-
 		-- If player wields armor, put it on armor stand
-		local inv = minetest.get_inventory({type = "node", pos = pos})
 		local wielditem = clicker:get_wielded_item()
-		if not inv then return itemstack end
 		if list then
 			-- ... but only if the slot is free
 			local single_item = ItemStack(itemstack)
@@ -172,11 +175,12 @@ minetest.register_node("3d_armor_stand:armor_stand", {
 				if taken then
 					stand_armor:take_item()
 					inv:set_stack("armor_" .. elements[e], 1, stand_armor)
-					update_entity(pos)
 				end
+				update_entity(pos)
 				return clicker:get_wielded_item()
 			end
 		end
+		update_entity(pos)
 		return itemstack
 	end,
 	after_place_node = function(pos)
@@ -264,6 +268,17 @@ minetest.register_entity("3d_armor_stand:armor_entity", {
 	end,
 })
 
+-- FIXME: Armor helper entity can get destroyed by /clearobjects
+minetest.register_lbm({
+	label = "Respawn armor stand entities",
+	name = "3d_armor_stand:respawn_entities",
+	nodenames = {"3d_armor_stand:armor_stand"},
+	run_at_every_load = true,
+	action = function(pos, node)
+		update_entity(pos, node)
+	end,
+})
+
 if minetest.get_modpath("doc_identifier") ~= nil then
 	doc.sub.identifier.register_object("3d_armor_stand:armor_entity", "nodes", "3d_armor_stand:armor_stand")
 end