From 22df02d25bb1ddb1de48e645c5256621ce9a9ed9 Mon Sep 17 00:00:00 2001
From: you <ovvv@web.de>
Date: Sun, 20 May 2018 14:51:50 +0200
Subject: Fix missing ignore textures (#7326)

---
 builtin/game/register.lua     | 10 +---------
 src/nodedef.cpp               |  8 +-------
 src/script/lua_api/l_item.cpp |  9 +++++++--
 3 files changed, 9 insertions(+), 18 deletions(-)

diff --git a/builtin/game/register.lua b/builtin/game/register.lua
index 43bb9e067..15c08b045 100644
--- a/builtin/game/register.lua
+++ b/builtin/game/register.lua
@@ -116,8 +116,6 @@ function core.register_item(name, itemdef)
 	end
 	itemdef.name = name
 
-	local is_overriding = core.registered_items[name]
-
 	-- Apply defaults and add to registered_* table
 	if itemdef.type == "node" then
 		-- Use the nodebox as selection box if it's not set manually
@@ -179,13 +177,7 @@ function core.register_item(name, itemdef)
 	--core.log("Registering item: " .. itemdef.name)
 	core.registered_items[itemdef.name] = itemdef
 	core.registered_aliases[itemdef.name] = nil
-
-	-- Used to allow builtin to register ignore to registered_items
-	if name ~= "ignore" then
-		register_item_raw(itemdef)
-	elseif is_overriding then
-		core.log("warning", "Attempted redefinition of \"ignore\"")
-	end
+	register_item_raw(itemdef)
 end
 
 function core.unregister_item(name)
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index e40a45f97..c3f2ccd60 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -1228,15 +1228,9 @@ content_t NodeDefManager::set(const std::string &name, const ContentFeatures &de
 {
 	// Pre-conditions
 	assert(name != "");
+	assert(name != "ignore");
 	assert(name == def.name);
 
-	// Don't allow redefining ignore (but allow air and unknown)
-	if (name == "ignore") {
-		warningstream << "NodeDefManager: Ignoring "
-			"CONTENT_IGNORE redefinition"<<std::endl;
-		return CONTENT_IGNORE;
-	}
-
 	content_t id = CONTENT_IGNORE;
 	if (!m_name_id_mapping.getId(name, id)) { // ignore aliases
 		// Get new id
diff --git a/src/script/lua_api/l_item.cpp b/src/script/lua_api/l_item.cpp
index d7e9f0a5b..46c1c98a0 100644
--- a/src/script/lua_api/l_item.cpp
+++ b/src/script/lua_api/l_item.cpp
@@ -536,11 +536,16 @@ int ModApiItemMod::l_register_item_raw(lua_State *L)
 	idef->registerItem(def);
 
 	// Read the node definition (content features) and register it
-	if(def.type == ITEM_NODE){
+	if (def.type == ITEM_NODE) {
 		ContentFeatures f = read_content_features(L, table);
+		// when a mod reregisters ignore, only texture changes and such should
+		// be done
+		if (f.name == "ignore")
+			return 0;
+
 		content_t id = ndef->set(f.name, f);
 
-		if(id > MAX_REGISTERED_CONTENT){
+		if (id > MAX_REGISTERED_CONTENT) {
 			throw LuaError("Number of registerable nodes ("
 					+ itos(MAX_REGISTERED_CONTENT+1)
 					+ ") exceeded (" + name + ")");
-- 
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