From d59055dd2b1a03449ff11318a2f210d37dd7e76a Mon Sep 17 00:00:00 2001
From: Zefram <zefram@fysh.org>
Date: Fri, 25 Jul 2014 16:38:40 +0200
Subject: [PATCH] Audible siren to warn of reactor meltdown

---
 technic/machines/LV/water_mill.lua |  138 ++++++++++++++++++++++-----------------------
 1 files changed, 68 insertions(+), 70 deletions(-)

diff --git a/technic/machines/LV/water_mill.lua b/technic/machines/LV/water_mill.lua
index 2a8bb8d..d1584fa 100644
--- a/technic/machines/LV/water_mill.lua
+++ b/technic/machines/LV/water_mill.lua
@@ -15,34 +15,6 @@
 	}
 })
 
-minetest.register_node("technic:water_mill", {
-	description = S("Hydro %s Generator"):format("LV"),
-	tiles = {"technic_water_mill_top.png",  "technic_machine_bottom.png",
-	         "technic_water_mill_side.png", "technic_water_mill_side.png",
-	         "technic_water_mill_side.png", "technic_water_mill_side.png"},
-	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
-	legacy_facedir_simple = true,
-	sounds = default.node_sound_wood_defaults(),
-	on_construct = function(pos)
-		local meta = minetest.get_meta(pos)
-		meta:set_string("infotext", S("Hydro %s Generator"):format("LV"))
-		meta:set_int("LV_EU_supply", 0)
-	end,	
-})
-
-minetest.register_node("technic:water_mill_active", {
-	description = S("Hydro %s Generator"):format("LV"),
-	tiles = {"technic_water_mill_top_active.png", "technic_machine_bottom.png",
-	         "technic_water_mill_side.png",       "technic_water_mill_side.png",
-	         "technic_water_mill_side.png",       "technic_water_mill_side.png"},
-	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
-	legacy_facedir_simple = true,
-	sounds = default.node_sound_wood_defaults(),
-	drop = "technic:water_mill",
-})
-
 local function check_node_around_mill(pos)
 	local node = minetest.get_node(pos)
 	if node.name == "default:water_flowing" or
@@ -52,52 +24,78 @@
 	return false
 end
 
-minetest.register_abm({
-	nodenames = {"technic:water_mill", "technic:water_mill_active"},
-	interval = 1,
-	chance   = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-		local meta             = minetest.get_meta(pos)
-		local water_nodes      = 0
-		local lava_nodes       = 0
-		local production_level = 0
-		local eu_supply        = 0
+local run = function(pos, node)
+	local meta             = minetest.get_meta(pos)
+	local water_nodes      = 0
+	local lava_nodes       = 0
+	local production_level = 0
+	local eu_supply        = 0
 
-		local positions = {
-			{x=pos.x+1, y=pos.y, z=pos.z},
-			{x=pos.x-1, y=pos.y, z=pos.z},
-			{x=pos.x,   y=pos.y, z=pos.z+1},
-			{x=pos.x,   y=pos.y, z=pos.z-1},
-		}
+	local positions = {
+		{x=pos.x+1, y=pos.y, z=pos.z},
+		{x=pos.x-1, y=pos.y, z=pos.z},
+		{x=pos.x,   y=pos.y, z=pos.z+1},
+		{x=pos.x,   y=pos.y, z=pos.z-1},
+	}
 
-		for _, p in pairs(positions) do
-			local check = check_node_around_mill(p)
-			if check then
-				water_nodes = water_nodes + 1
-			end
-		end
-
-		production_level = 25 * water_nodes
-		eu_supply = 30 * water_nodes
-
-		if production_level > 0 then
-			meta:set_int("LV_EU_supply", eu_supply)
-		end
-
-		meta:set_string("infotext",
-			S("Hydro %s Generator"):format("LV").." ("..production_level.."%)")
-
-		if production_level > 0 and
-		   minetest.get_node(pos).name == "technic:water_mill" then
-			technic.swap_node (pos, "technic:water_mill_active")
-			meta:set_int("LV_EU_supply", 0)
-			return
-		end
-		if production_level == 0 then
-			technic.swap_node(pos, "technic:water_mill")
+	for _, p in pairs(positions) do
+		local check = check_node_around_mill(p)
+		if check then
+			water_nodes = water_nodes + 1
 		end
 	end
-}) 
+
+	production_level = 25 * water_nodes
+	eu_supply = 30 * water_nodes
+
+	if production_level > 0 then
+		meta:set_int("LV_EU_supply", eu_supply)
+	end
+
+	meta:set_string("infotext",
+		S("Hydro %s Generator"):format("LV").." ("..production_level.."%)")
+
+	if production_level > 0 and
+	   minetest.get_node(pos).name == "technic:water_mill" then
+		technic.swap_node (pos, "technic:water_mill_active")
+		meta:set_int("LV_EU_supply", 0)
+		return
+	end
+	if production_level == 0 then
+		technic.swap_node(pos, "technic:water_mill")
+	end
+end
+
+minetest.register_node("technic:water_mill", {
+	description = S("Hydro %s Generator"):format("LV"),
+	tiles = {"technic_water_mill_top.png",  "technic_machine_bottom.png",
+	         "technic_water_mill_side.png", "technic_water_mill_side.png",
+	         "technic_water_mill_side.png", "technic_water_mill_side.png"},
+	paramtype2 = "facedir",
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	legacy_facedir_simple = true,
+	sounds = default.node_sound_wood_defaults(),
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("infotext", S("Hydro %s Generator"):format("LV"))
+		meta:set_int("LV_EU_supply", 0)
+	end,
+	technic_run,
+})
+
+minetest.register_node("technic:water_mill_active", {
+	description = S("Hydro %s Generator"):format("LV"),
+	tiles = {"technic_water_mill_top_active.png", "technic_machine_bottom.png",
+	         "technic_water_mill_side.png",       "technic_water_mill_side.png",
+	         "technic_water_mill_side.png",       "technic_water_mill_side.png"},
+	paramtype2 = "facedir",
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, not_in_creative_inventory=1},
+	legacy_facedir_simple = true,
+	sounds = default.node_sound_wood_defaults(),
+	drop = "technic:water_mill",
+	technic_run,
+	technic_disabled_machine_name = "technic:water_mill",
+})
 
 technic.register_machine("LV", "technic:water_mill",        technic.producer)
 technic.register_machine("LV", "technic:water_mill_active", technic.producer)

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