From a01a02f7a1ec915c207632085cd5f24eab28da17 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Sat, 30 Jan 2021 12:41:27 +0100
Subject: Preserve immortal group for players when damage is disabled

---
 src/script/lua_api/l_object.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/script/lua_api')

diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index ba201a9d3..07aa3f7c9 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -355,6 +355,15 @@ int ObjectRef::l_set_armor_groups(lua_State *L)
 	ItemGroupList groups;
 
 	read_groups(L, 2, groups);
+	if (sao->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
+		if (!g_settings->getBool("enable_damage") && !itemgroup_get(groups, "immortal")) {
+			warningstream << "Mod tried to enable damage for a player, but it's "
+				"disabled globally. Ignoring." << std::endl;
+			infostream << script_get_backtrace(L) << std::endl;
+			groups["immortal"] = 1;
+		}
+	}
+
 	sao->setArmorGroups(groups);
 	return 0;
 }
-- 
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