From 9294e770ca1360f3d90edd4afc02730b87b0765e Mon Sep 17 00:00:00 2001
From: orwell96 <orwell@bleipb.de>
Date: Tue, 31 Oct 2017 13:52:32 +0100
Subject: [PATCH] Change name of the node database group in order to clone node
 database code into a library mod advtrains will keep its own node database
 code for reasons of crash recovery, with the handicap that improvements to
 nplib need to be manually backported.

---
 advtrains/nodedb.lua  |  8 ++++----
 advtrains/signals.lua | 10 +++++-----
 advtrains/tracks.lua  |  2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/advtrains/nodedb.lua b/advtrains/nodedb.lua
index 947c92a..45a51fe 100644
--- a/advtrains/nodedb.lua
+++ b/advtrains/nodedb.lua
@@ -1,5 +1,5 @@
 --nodedb.lua
---database of all nodes that have 'save_in_nodedb' field set to true in node definition
+--database of all nodes that have 'save_in_at_nodedb' field set to true in node definition
 
 
 --serialization format:
@@ -140,7 +140,7 @@ end
 function ndb.update(pos, pnode)
 	local node = pnode or minetest.get_node_or_nil(pos)
 	if not node or node.name=="ignore" then return end
-	if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].groups.save_in_nodedb then
+	if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].groups.save_in_at_nodedb then
 		local nid
 		for tnid, nname in pairs(ndb_nodeids) do
 			if nname==node.name then
@@ -235,7 +235,7 @@ end
 
 minetest.register_lbm({
         name = "advtrains:nodedb_on_load_update",
-        nodenames = {"group:save_in_nodedb"},
+        nodenames = {"group:save_in_at_nodedb"},
         run_at_every_load = true,
         run_on_every_load = true,
         action = ndb.run_lbm,
@@ -255,7 +255,7 @@ ndb.restore_all = function()
 				if node then
 					local ori_ndef=minetest.registered_nodes[node.name]
 					local ndbnode=ndb.get_node_raw(pos)
-					if ori_ndef and ori_ndef.groups.save_in_nodedb then --check if this node has been worldedited, and don't replace then
+					if ori_ndef and ori_ndef.groups.save_in_at_nodedb then --check if this node has been worldedited, and don't replace then
 						if (ndbnode.name~=node.name or ndbnode.param2~=node.param2) then
 							minetest.swap_node(pos, ndbnode)
 							atwarn("Replaced",node.name,"@",pos,"with",ndbnode.name)
diff --git a/advtrains/signals.lua b/advtrains/signals.lua
index 5c6e484..62b9f03 100644
--- a/advtrains/signals.lua
+++ b/advtrains/signals.lua
@@ -32,7 +32,7 @@ for r,f in pairs({on={as="off", ls="green", als="red"}, off={as="on", ls="red",
 				cracky=3,
 				not_blocking_trains=1,
 				not_in_creative_inventory=crea,
-				save_in_nodedb=1,
+				save_in_at_nodedb=1,
 			},
 			mesecons = {effector = {
 				rules=advtrains.meseconrules,
@@ -65,7 +65,7 @@ for r,f in pairs({on={as="off", ls="green", als="red"}, off={as="on", ls="red",
 				cracky=3,
 				not_blocking_trains=1,
 				not_in_creative_inventory=crea,
-				save_in_nodedb=1,
+				save_in_at_nodedb=1,
 			},
 			light_source = 1,
 			sunlight_propagates=true,
@@ -114,7 +114,7 @@ for r,f in pairs({on={as="off", ls="green", als="red"}, off={as="on", ls="red",
 				cracky=3,
 				not_blocking_trains=1,
 				not_in_creative_inventory=crea,
-				save_in_nodedb=1,
+				save_in_at_nodedb=1,
 			},
 			light_source = 1,
 			sunlight_propagates=true,
@@ -159,7 +159,7 @@ minetest.register_node("advtrains:across_off", {
 	groups = {
 		cracky=3,
 		not_blocking_trains=1,
-		save_in_nodedb=1,
+		save_in_at_nodedb=1,
 		not_in_creative_inventory=nil,
 	},
 	light_source = 1,
@@ -200,7 +200,7 @@ minetest.register_node("advtrains:across_on", {
 	groups = {
 		cracky=3,
 		not_blocking_trains=1,
-		save_in_nodedb=1,
+		save_in_at_nodedb=1,
 		not_in_creative_inventory=1,
 	},
 	light_source = 1,
diff --git a/advtrains/tracks.lua b/advtrains/tracks.lua
index 3771090..fdc8ae9 100644
--- a/advtrains/tracks.lua
+++ b/advtrains/tracks.lua
@@ -303,7 +303,7 @@ function advtrains.register_tracks(tracktype, def, preset)
 			groups = {
 				attached_node=1,
 				["advtrains_track_"..tracktype]=1,
-				save_in_nodedb=1,
+				save_in_at_nodedb=1,
 				dig_immediate=2,
 				not_in_creative_inventory=(not in_creative_inv and 1 or nil),
 				not_blocking_trains=1,