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/geothermal.lua |  229 +++++++++++++++++++++++++++++++--------------------------
 1 files changed, 125 insertions(+), 104 deletions(-)

diff --git a/technic/geothermal.lua b/technic/geothermal.lua
index 8f3a7d7..5ba7a23 100644
--- a/technic/geothermal.lua
+++ b/technic/geothermal.lua
@@ -1,11 +1,15 @@
+-- A geothermal EU generator
+-- Using hot lava and water this device can create energy from steam
+-- The machine is only producing LV EUs and can thus not drive more advanced equipment
+-- The output is a little more than the coal burning generator (max 300EUs)
 minetest.register_alias("geothermal", "technic:geothermal")
 
 minetest.register_craft({
 	output = 'technic:geothermal',
 	recipe = {
 		{'default:stone', 'default:stone', 'default:stone'},
-		{'moreores:copper_ingot', 'technic:diamond', 'moreores:copper_ingot'},
-		{'default:stone', 'moreores:copper_ingot', 'default:stone'},
+		{'default:copper_ingot', 'default:diamond', 'default:copper_ingot'},
+		{'default:stone', 'default:copper_ingot', 'default:stone'},
 	}
 })
 
@@ -14,7 +18,7 @@
 	stack_max = 99,
 }) 
 
-geothermal_formspec =
+local geothermal_formspec =
 	"invsize[8,4;]"..
 	"image[1,1;1,2;technic_power_meter_bg.png]"..
 	"label[0,0;Geothermal Generator]"..
@@ -22,114 +26,131 @@
 	"list[current_player;main;0,5;8,4;]"
 	
 
-minetest.register_node("technic:geothermal", {
-	description = "Geothermal Generator",
-	tiles = {"technic_geothermal_top.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
-		"technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"},
-	paramtype2 = "facedir",
-	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
-	legacy_facedir_simple = true,
-	sounds = default.node_sound_wood_defaults(),
-	technic_power_machine=1,
-	internal_EU_buffer=0;
-	internal_EU_buffer_size=5000;
-	burn_time=0;
-	on_construct = function(pos)
-		local meta = minetest.env:get_meta(pos)
-		meta:set_string("infotext", "Geothermal Generator")
-		meta:set_float("technic_power_machine", 1)
-		meta:set_float("internal_EU_buffer", 0)
-		meta:set_float("internal_EU_buffer_size", 2000)
-		meta:set_string("formspec", geothermal_formspec)	
-		end,	
+minetest.register_node(
+   "technic:geothermal",
+   {
+      description = "Geothermal Generator",
+      tiles = {"technic_geothermal_top.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
+	       "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_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.env:get_meta(pos)
+			meta:set_string("infotext", "Geothermal Generator")
+			meta:set_float("technic_power_machine", 1)
+			meta:set_int("LV_EU_supply", 0)
+			meta:set_string("formspec", geothermal_formspec)	
+		     end,	
+   })
 
-})
+minetest.register_node(
+   "technic:geothermal_active",
+   {
+      description = "Geothermal Generator",
+      tiles = {"technic_geothermal_top_active.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
+	       "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_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:geothermal",
+   })
 
-minetest.register_node("technic:geothermal_active", {
-	description = "Geothermal Generator",
-	tiles = {"technic_geothermal_top_active.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
-		"technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_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:geothermal",
-	technic_power_machine=1,
-	internal_EU_buffer=0;
-	internal_EU_buffer_size=0;
-})
+local check_node_around = function(pos)
+			     local node=minetest.env:get_node(pos)
+			     if node.name=="default:water_source" or node.name=="default:water_flowing" then return 1 end
+			     if node.name=="default:lava_source" or node.name=="default:lava_flowing" then return 2 end	
+			     return 0
+			  end
 
-minetest.register_abm({
-	nodenames = {"technic:geothermal","technic:geothermal_active"},
-	interval = 1,
-	chance = 1,
-	action = function(pos, node, active_object_count, active_object_count_wider)
+minetest.register_abm(
+   {
+      nodenames = {"technic:geothermal","technic:geothermal_active"},
+      interval = 1,
+      chance   = 1,
+      action = function(pos, node, active_object_count, active_object_count_wider)
+		  local meta             = minetest.env:get_meta(pos)
+		  local water_nodes      = 0
+		  local lava_nodes       = 0
+		  local production_level = 0
+		  local eu_supply        = 0
 
-	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 water_nodes = 0
-	local lava_nodes = 0
-	local production_level=0
-	local load_step=0
+		  -- Correct positioning is water on one side and lava on the other.
+		  -- The two cannot be adjacent because the lava the turns into obsidian or rock.
+		  -- To get to 100% production stack the water and lava one extra block down as well:
+		  --    WGL (W=Water, L=Lava, G=the generator, |=an LV cable)
+                  --    W|L
+		  pos.x=pos.x+1
+		  local check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+		  pos.y=pos.y-1
+		  local check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
 
-	pos.x=pos.x+1
-	local check=check_node_around (pos)
-	if check==1 then water_nodes=water_nodes+1 end
-	if check==2 then lava_nodes=lava_nodes+1 end
-	pos.x=pos.x-2
-	check=check_node_around (pos)
-	if check==1 then water_nodes=water_nodes+1 end
-	if check==2 then lava_nodes=lava_nodes+1 end
-	pos.x=pos.x+1
-	pos.z=pos.z+1
-	check=check_node_around (pos)
-	if check==1 then water_nodes=water_nodes+1 end
-	if check==2 then lava_nodes=lava_nodes+1 end
-	pos.z=pos.z-2
-	check=check_node_around (pos)
-	if check==1 then water_nodes=water_nodes+1 end
-	if check==2 then lava_nodes=lava_nodes+1 end
-	pos.z=pos.z+1
+		  pos.x=pos.x-2
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+		  pos.y=pos.y+1
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+
+		  pos.x=pos.x+1
+		  pos.z=pos.z+1
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+		  pos.y=pos.y-1
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+
+		  pos.z=pos.z-2
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+		  pos.y=pos.y+1
+		  check=check_node_around(pos)
+		  if check==1 then water_nodes=water_nodes+1 end
+		  if check==2 then lava_nodes=lava_nodes+1 end
+
+		  -- Back to (0,0,0)
+		  pos.z=pos.z+1
 	
-	if water_nodes==1 and lava_nodes==1 then production_level=50 load_step=30 end
-	if water_nodes==2 and lava_nodes==1 then production_level=75 load_step=45 end
-	if water_nodes==1 and lava_nodes==2 then production_level=75 load_step=45 end
-	if water_nodes==2 and lava_nodes==2 then production_level=100 load_step=60 end
-	if water_nodes==3 and lava_nodes==1 then production_level=25 load_step=15 end
-	if water_nodes==1 and lava_nodes==3 then production_level=25 load_step=15 end
+		  if water_nodes==1 and lava_nodes==1 then production_level =  25; eu_supply = 50 end
+		  if water_nodes==2 and lava_nodes==1 then production_level =  50; eu_supply = 100 end
+		  if water_nodes==1 and lava_nodes==2 then production_level =  75; eu_supply = 200 end
+		  if water_nodes==2 and lava_nodes==2 then production_level = 100; eu_supply = 300 end
 
-        if production_level>0 then
-		if charge+load_step>max_charge then
-		load_step=max_charge-charge
-		end
-		if load_step>0 then 
-		charge=charge+load_step
-		meta:set_float("internal_EU_buffer",charge)
-		end
-	end
+		  if production_level>0 then
+		     meta:set_int("LV_EU_supply", eu_supply)
+		  end
 
-	local load = math.floor((charge/max_charge)*100)
-	meta:set_string("formspec",
-				"invsize[8,4;]"..
-				"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
-						(load)..":technic_power_meter_fg.png]"..
-				"label[0,0;Geothermal Generator]"..
-				"label[1,3;Power level]"..
-				"label[4,0;Production at "..tostring(production_level).."%]"
-				)
+		  local load = 1 -- math.floor((charge/max_charge)*100)
+		  meta:set_string("formspec",
+				  "invsize[8,4;]"..
+				     "image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
+				     (load)..":technic_power_meter_fg.png]"..
+				  "label[0,0;Geothermal Generator]"..
+				  "label[1,3;Power level]"..
+				  "label[4,0;Production at "..tostring(production_level).."%]"
+			    )
 				
-	if production_level>0 and minetest.env:get_node(pos).name=="technic:geothermal" then
-		hacky_swap_node (pos,"technic:geothermal_active")
-		return
-	end
-	if production_level==0 then hacky_swap_node (pos,"technic:geothermal") end
-end
-}) 
+		  if production_level>0 and minetest.env:get_node(pos).name=="technic:geothermal" then
+		     hacky_swap_node (pos,"technic:geothermal_active")
+		     return
+		  end
+		  if production_level==0 then
+		     hacky_swap_node (pos,"technic:geothermal")
+		     meta:set_int("LV_EU_supply", 0)
+		  end
+	       end
+   }) 
 
-function check_node_around (pos)
-local node=minetest.env:get_node(pos)
-if node.name=="default:water_source" or node.name=="default:water_flowing"  then return 1 end
-if node.name=="default:lava_source" or node.name=="default:lava_flowing"  then return 2 end	
-return 0
-end
\ No newline at end of file
+technic.register_LV_machine ("technic:geothermal","PR")
+technic.register_LV_machine ("technic:geothermal_active","PR")

--
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