From 8be389e774a99ec5d08ca86b3902bb98310fd58d Mon Sep 17 00:00:00 2001
From: Konstantin Oblaukhov <oblaukhov.konstantin@gmail.com>
Date: Sat, 06 Jul 2013 15:52:41 +0200
Subject: [PATCH] Enriched Uranium.

---
 technic/tool_workshop.lua |  185 ++++++++++++++++++++++++++--------------------
 1 files changed, 105 insertions(+), 80 deletions(-)

diff --git a/technic/tool_workshop.lua b/technic/tool_workshop.lua
index f47469e..9351c0e 100644
--- a/technic/tool_workshop.lua
+++ b/technic/tool_workshop.lua
@@ -1,9 +1,11 @@
+-- LV Tool workshop
+-- This machine repairs tools.
 minetest.register_alias("tool_workshop", "technic:tool_workshop")
 minetest.register_craft({
 	output = 'technic:tool_workshop',
 	recipe = {
 		{'default:wood', 'default:wood', 'default:wood'},
-		{'default:wood', 'technic:diamond', 'default:wood'},
+		{'default:wood', 'default:diamond', 'default:wood'},
 		{'default:stone', 'moreores:copper_ingot', 'default:stone'},
 	}
 })
@@ -13,85 +15,108 @@
 	stack_max = 99,
 }) 
 
-workshop_formspec =
-	"invsize[8,9;]"..
-	"image[1,1;1,2;technic_power_meter_bg.png]"..
-	"list[current_name;src;3,1;1,1;]"..
-	"label[0,0;Tool Workshop]"..
-	"label[1,3;Power level]"..
-	"list[current_player;main;0,5;8,4;]"
+local workshop_formspec =
+   "invsize[8,9;]"..
+   "list[current_name;src;3,1;1,1;]"..
+   "label[0,0;Tool Workshop]"..
+   "list[current_player;main;0,5;8,4;]"
 
-minetest.register_node("technic:tool_workshop", {
-	description = "Tool Workshop",
-	tiles = {"technic_workshop_top.png", "technic_machine_bottom.png", "technic_workshop_side.png",
-		"technic_workshop_side.png", "technic_workshop_side.png", "technic_workshop_side.png"},
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
-	sounds = default.node_sound_wood_defaults(),
-	technic_power_machine=1,
-	internal_EU_buffer=0;
-	internal_EU_buffer_size=2000;
+minetest.register_node(
+   "technic:tool_workshop",
+   {
+      description = "Tool Workshop",
+      tiles = {"technic_workshop_top.png", "technic_machine_bottom.png", "technic_workshop_side.png",
+	       "technic_workshop_side.png", "technic_workshop_side.png", "technic_workshop_side.png"},
+      groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+      sounds = default.node_sound_wood_defaults(),
+      on_construct = function(pos)
+			local meta = minetest.env:get_meta(pos)
+			meta:set_string("infotext", "Tool Workshop")
+			meta:set_float("technic_power_machine", 1)
+			meta:set_string("formspec", workshop_formspec)
+			local inv = meta:get_inventory()
+			inv:set_size("src", 1)
+		     end,	
+      can_dig = function(pos,player)
+		   local meta = minetest.env:get_meta(pos);
+		   local inv = meta:get_inventory()
+		   if not inv:is_empty("src") then
+		      minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
+		      return false
+		   end
+		   return true
+		end,
+   })
 
-	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
-		meta:set_string("infotext", "Tool Workshop")
-		meta:set_float("technic_power_machine", 1)
-		meta:set_float("internal_EU_buffer", 1)
-		meta:set_float("internal_EU_buffer_size", 2000)
-		meta:set_string("formspec", workshop_formspec)
-		local inv = meta:get_inventory()
-		inv:set_size("src", 1)
-		end,	
-	can_dig = function(pos,player)
-		local meta = minetest.env:get_meta(pos);
-		local inv = meta:get_inventory()
-		if not inv:is_empty("src") then
-			return false
-		end
-		return true
-	end,
-})
+minetest.register_abm(
+   { nodenames = {"technic:tool_workshop"},
+     interval = 1,
+     chance   = 1,
+     action = function(pos, node, active_object_count, active_object_count_wider)
+		 local meta         = minetest.env:get_meta(pos)
+		 local eu_input     = meta:get_int("LV_EU_input")
+		 local state        = meta:get_int("state")
+		 local next_state   = state
 
-minetest.register_abm({
-	nodenames = {"technic:tool_workshop"},
-	interval = 1,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
-	local meta = minetest.env:get_meta(pos)
-	local charge= meta:get_float("internal_EU_buffer")
-	local max_charge= meta:get_float("internal_EU_buffer_size")
-	local load_step=2000
-	local load_cost=200
-		local inv = meta:get_inventory()
-		if inv:is_empty("src")==false  then 
-			srcstack = inv:get_stack("src", 1)
-			src_item=srcstack:to_table()
-			if (src_item["name"]=="technic:water_can" or src_item["name"]=="technic:lava_can") then
-				load_step=0
-				load_cost=0
-				end
-			local load1=tonumber((src_item["wear"])) 
-			if charge>load_cost then
-				if load1>1 then 
-					if load1-load_step<0 then load_step=load1 load1=1
-					else load1=load1-load_step end
-					charge=charge-load_cost
-					src_item["wear"]=tostring(load1)
-					inv:set_stack("src", 1, src_item)
-				end
-			end
-		end
-	
-	meta:set_float("internal_EU_buffer",charge)
-	
-	
-	local load = math.floor((charge/max_charge)*100)
-	meta:set_string("formspec",
-				"invsize[8,9;]"..
-				"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
-						(load)..":technic_power_meter_fg.png]"..
-				"list[current_name;src;3,1;1,1;]"..
-				"label[0,0;Tool Workshop]"..
-				"label[1,3;Power level]"..
-				"list[current_player;main;0,5;8,4;]")
-	end
-}) 
+		 -- Machine information
+		 local machine_name         = "Tool Workshop"
+		 local machine_node         = "technic:tool_workshop"
+		 local machine_state_demand = { 50, 150 }
+			 
+		 -- Setup meta data if it does not exist. state is used as an indicator of this
+		 if state == 0 then
+		    meta:set_int("state", 1)
+		    meta:set_int("LV_EU_demand", machine_state_demand[1])
+		    meta:set_int("LV_EU_input", 0)
+		    return
+		 end
+			 
+		 -- Power off automatically if no longer connected to a switching station
+		 technic.switching_station_timeout_count(pos, "LV")
+			 
+		 -- State machine
+		 if eu_input == 0 then
+		    -- Unpowered - go idle
+		    --hacky_swap_node(pos, machine_node)
+		    meta:set_string("infotext", machine_name.." Unpowered")
+		    next_state = 1
+		 elseif eu_input == machine_state_demand[state] then
+		    -- Powered - do the state specific actions
+		    local inv = meta:get_inventory()
+			    
+		    if state == 1 then
+		       --hacky_swap_node(pos, machine_node)
+		       meta:set_string("infotext", machine_name.." Idle")
+		       if not inv:is_empty("src") then
+			  next_state = 2
+		       end
+		    elseif state == 2 then
+		       --hacky_swap_node(pos, machine_node.."_active")
+		       meta:set_string("infotext", machine_name.." Active")
+
+		       if inv:is_empty("src") then
+			  next_state = 1
+		       else
+			  srcstack = inv:get_stack("src", 1)
+			  src_item=srcstack:to_table()
+			  -- Cannot charge cans
+			  if (src_item["name"]=="technic:water_can" or src_item["name"]=="technic:lava_can") then
+			     return
+			  end
+			  local wear=tonumber(src_item["wear"])
+			  wear = math.max(1, wear-2000) -- Improve the tool this much every tick
+			  src_item["wear"]=tostring(wear)
+			  inv:set_stack("src", 1, src_item)
+		       end
+		    end
+		 end
+		 -- Change state?
+		 if next_state ~= state then
+		    meta:set_int("LV_EU_demand", machine_state_demand[next_state])
+		    meta:set_int("state", next_state)
+		 end
+	      end
+   }) 
+
+technic.register_LV_machine ("technic:tool_workshop","RE")
+

--
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