Add digiline interface and is_passive function to LuaATC

1 files changed, 14 insertions, 1 deletions

diff --git a/advtrains_luaautomation/passive.lua b/advtrains_luaautomation/passive.lua
index 774df8a..e0902f5 100644
--- a/advtrains_luaautomation/passive.lua
+++ b/advtrains_luaautomation/passive.lua
@@ -34,6 +34,19 @@ local function setstate(parpos, newstate)
 	end
 end
 
+local function is_passive(parpos)
+	local pos=atlatc.pcnaming.resolve_pos(parpos)
+	if type(pos)~="table" or (not pos.x or not pos.y or not pos.z) then
+		return false
+	end
+	local node=advtrains.ndb.get_node(pos)
+	local ndef=minetest.registered_nodes[node.name]
+	if ndef and ndef.luaautomation and ndef.luaautomation.getstate then
+		return true
+	end
+	return false
+end
+
 -- gets called from environment.lua
 -- return the values here to keep them local
-return getstate, setstate
+return getstate, setstate, is_passive