Added a rotation controller

Well that was a lot of work. Also, switched the "waiting" timer
management to the actual on_timer system - I noticed that minetest.after
wasn't persisting through server shutdown and restart, that could put a
controller in a "broken" state.

1 files changed, 17 insertions, 15 deletions

diff --git a/node_controllers.lua b/node_controllers.lua
index 323b8f2..7dc1e7f 100644
--- a/node_controllers.lua
+++ b/node_controllers.lua
@@ -58,11 +58,11 @@ minetest.register_node("digtron:controller", {
 		
 		-- Start the delay before digtron can run again.
 		minetest.get_meta(newpos):set_string("waiting", "true")
-		minetest.after(digtron.cycle_time,
-				function (pos)
-					minetest.get_meta(pos):set_string("waiting", nil)
-				end, newpos
-			)
+		minetest.get_node_timer(newpos):start(digtron.cycle_time)
+	end,
+	
+	on_timer = function(pos, elapsed)
+		minetest.get_meta(pos):set_string("waiting", nil)
 	end,
 })
 
@@ -180,6 +180,11 @@ minetest.register_node("digtron:auto_controller", {
 		meta:set_string("waiting", "true")
 		meta:set_string("formspec", auto_formspec)
 	end,
+	
+	on_timer = function(pos, elapsed)
+		minetest.get_meta(pos):set_string("waiting", nil)
+	end,
+
 })
 
 ---------------------------------------------------------------------------------------------------------------
@@ -250,11 +255,7 @@ minetest.register_node("digtron:pusher", {
 		if not can_move then
 			-- mark this node as waiting, will clear this flag in digtron.cycle_time seconds
 			meta:set_string("waiting", "true")
-			minetest.after(digtron.cycle_time,
-				function (pos)
-					minetest.get_meta(pos):set_string("waiting", nil)
-				end, pos
-			)
+			minetest.get_node_timer(pos):start(digtron.cycle_time)
 			minetest.sound_play("squeal", {gain=1.0, pos=pos})
 			minetest.sound_play("buzzer", {gain=0.5, pos=pos})
 			meta:set_string("infotext", "Digtron is obstructed.")
@@ -283,10 +284,11 @@ minetest.register_node("digtron:pusher", {
 		
 		-- Start the delay before digtron can run again. Do this after moving the array or pos will be wrong.
 		minetest.get_meta(pos):set_string("waiting", "true")
-		minetest.after(digtron.cycle_time,
-			function (pos)
-				minetest.get_meta(pos):set_string("waiting", nil)
-			end, pos
-		)
+		minetest.get_node_timer(pos):start(digtron.cycle_time)
+	end,
+	
+	on_timer = function(pos, elapsed)
+		minetest.get_meta(pos):set_string("waiting", nil)
 	end,
+
 })
\ No newline at end of file