From d65c4916ceaeed6eec5fe3f344d4e71b3c96a80b Mon Sep 17 00:00:00 2001
From: rubenwardy <rubenwardy@gmail.com>
Date: Wed, 20 Sep 2017 17:05:04 +0100
Subject: Remove zip release files, move mod to root, exclude assets from
 Makefile (#92)

---
 advtrains_luaautomation/interrupt.lua | 46 +++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 advtrains_luaautomation/interrupt.lua

(limited to 'advtrains_luaautomation/interrupt.lua')

diff --git a/advtrains_luaautomation/interrupt.lua b/advtrains_luaautomation/interrupt.lua
new file mode 100644
index 0000000..718b8c7
--- /dev/null
+++ b/advtrains_luaautomation/interrupt.lua
@@ -0,0 +1,46 @@
+-- interrupt.lua
+-- implements interrupt queue
+
+--to be saved: pos and evtdata
+local iq={}
+local queue={}
+local timer=0
+local run=false
+
+function iq.load(data)
+	local d=data or {}
+	queue = d.queue or {}
+	timer = d.timer or 0
+end
+function iq.save()
+	return {queue = queue, timer=timer}
+end
+
+function iq.add(t, pos, evtdata)
+	queue[#queue+1]={t=t+timer, p=pos, e=evtdata}
+	run=true
+end
+
+function iq.mainloop(dtime)
+	timer=timer + math.min(dtime, 0.2)
+	for i=1,#queue do
+		local qe=queue[i]
+		if not qe then
+			table.remove(queue, i)
+			i=i-1
+		elseif timer>qe.t then
+			local pos, evtdata=queue[i].p, queue[i].e
+			local node=advtrains.ndb.get_node(pos)
+			local ndef=minetest.registered_nodes[node.name]
+			if ndef and ndef.luaautomation and ndef.luaautomation.fire_event then
+				ndef.luaautomation.fire_event(pos, evtdata)
+			end
+			table.remove(queue, i)
+			i=i-1
+		end
+	end
+end
+
+
+
+atlatc.interrupt=iq
-- 
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