Merge branch 'master' of https://github.com/orwell96/advtrains

1 files changed, 37 insertions, 0 deletions

diff --git a/advtrains/advtrains_luaautomation/passive.lua b/advtrains/advtrains_luaautomation/passive.lua
new file mode 100644
index 0000000..e32bee9
--- /dev/null
+++ b/advtrains/advtrains_luaautomation/passive.lua
@@ -0,0 +1,37 @@
+-- passive.lua
+-- API to passive components, as described in passive_api.txt
+
+local function getstate(pos)
+	if not type(pos)=="table" or not pos.x or not pos.y or not pos.z then
+		debug.sethook()
+		error("Invalid position supplied to getstate")
+	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
+		local st=ndef.luaautomation.getstate
+		if type(st)=="function" then
+			return st(pos, node)
+		else
+			return st
+		end
+	end
+	return nil
+end
+
+local function setstate(pos, newstate)
+	if not type(pos)=="table" or not pos.x or not pos.y or not pos.z then
+		debug.sethook()
+		error("Invalid position supplied to setstate")
+	end
+	local node=advtrains.ndb.get_node(pos)
+	local ndef=minetest.registered_nodes[node.name]
+	if ndef and ndef.luaautomation and ndef.luaautomation.setstate then
+		local st=ndef.luaautomation.setstate
+		st(pos, node, newstate)
+	end
+end
+
+-- gets called from environment.lua
+-- return the values here to keep them local
+return getstate, setstate