From 5940f5bda421add111a881b4df82b793121738a9 Mon Sep 17 00:00:00 2001
From: kpoppel <poulsen.kim@gmail.com>
Date: Wed, 08 May 2013 00:06:54 +0200
Subject: [PATCH] Slope box fixes. From Bas080.

---
 technic/battery_box.lua |  408 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 408 insertions(+), 0 deletions(-)

diff --git a/technic/battery_box.lua b/technic/battery_box.lua
new file mode 100644
index 0000000..9c91821
--- /dev/null
+++ b/technic/battery_box.lua
@@ -0,0 +1,408 @@
+LV_machines = {}
+registered_LV_machines_count=0
+
+function register_LV_machine (string1,string2)
+registered_LV_machines_count=registered_LV_machines_count+1
+LV_machines[registered_LV_machines_count]={}
+LV_machines[registered_LV_machines_count].machine_name=string1
+LV_machines[registered_LV_machines_count].machine_type=string2
+end
+
+power_tools ={}
+registered_power_tools_count=0
+
+function register_power_tool (string1,max_charge)
+registered_power_tools_count=registered_power_tools_count+1
+power_tools[registered_power_tools_count]={}
+power_tools[registered_power_tools_count].tool_name=string1
+power_tools[registered_power_tools_count].max_charge=max_charge
+end
+
+
+register_power_tool ("technic:battery",10000)
+register_power_tool ("technic:red_energy_crystal",100000)
+register_power_tool ("technic:green_energy_crystal",250000)
+register_power_tool ("technic:blue_energy_crystal",500000)
+
+minetest.register_craft({
+	output = 'technic:battery 1',
+	recipe = {
+		{'default:wood', 'moreores:copper_ingot', 'default:wood'},
+		{'default:wood', 'moreores:tin_ingot', 'default:wood'},
+		{'default:wood', 'moreores:copper_ingot', 'default:wood'},
+	}
+}) 
+
+minetest.register_craft({
+	output = 'technic:battery_box 1',
+	recipe = {
+		{'technic:battery', 'default:wood', 'technic:battery'},
+		{'technic:battery', 'moreores:copper_ingot', 'technic:battery'},
+		{'default:steel_ingot', 'default:steel_ingot', 'default:steel_ingot'},
+	}
+}) 
+
+
+minetest.register_tool("technic:battery",
+{description = "RE Battery",
+inventory_image = "technic_battery.png",
+tool_capabilities = {load=0,max_drop_level=0, groupcaps={fleshy={times={}, uses=10000, maxlevel=0}}}}) 
+
+minetest.register_craftitem("technic:battery_box", {
+	description = "Battery box",
+	stack_max = 99,
+}) 
+
+
+
+battery_box_formspec =
+	"invsize[8,9;]"..
+	"image[1,1;1,2;technic_power_meter_bg.png]"..
+	"list[current_name;src;3,1;1,1;]"..
+	"image[4,1;1,1;technic_battery_reload.png]"..
+	"list[current_name;dst;5,1;1,1;]"..
+	"label[0,0;Battery box]"..
+	"label[3,0;Charge]"..
+	"label[5,0;Discharge]"..
+	"label[1,3;Power level]"..
+	"list[current_player;main;0,5;8,4;]"
+
+minetest.register_node("technic:battery_box", {
+	description = "Battery box",
+	tiles = {"technic_battery_box_top.png", "technic_battery_box_bottom.png", "technic_battery_box_side0.png",
+		"technic_battery_box_side0.png", "technic_battery_box_side0.png", "technic_battery_box_side0.png"},
+	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+	sounds = default.node_sound_wood_defaults(),
+	technic_power_machine=1,
+	last_side_shown=0,
+	drop="technic:battery_box",
+	on_construct = function(pos)
+		local meta = minetest.env:get_meta(pos)
+		meta:set_string("infotext", "Battery box")
+		meta:set_float("technic_power_machine", 1)
+		meta:set_string("formspec", battery_box_formspec)
+		local inv = meta:get_inventory()
+		inv:set_size("src", 1)
+		inv:set_size("dst", 1)
+		battery_charge = 0
+		max_charge = 60000
+		last_side_shown=0
+		end,	
+	can_dig = function(pos,player)
+		local meta = minetest.env:get_meta(pos);
+		local inv = meta:get_inventory()
+		if not inv:is_empty("dst") then
+			return false
+		elseif not inv:is_empty("src") then
+			return false
+		end
+		return true
+	end,
+})
+
+
+for i=1,8,1 do
+minetest.register_node("technic:battery_box"..i, {
+	description = "Battery box",
+	tiles = {"technic_battery_box_top.png", "technic_battery_box_bottom.png", "technic_battery_box_side0.png^technic_power_meter"..i..".png",
+		"technic_battery_box_side0.png^technic_power_meter"..i..".png", "technic_battery_box_side0.png^technic_power_meter"..i..".png", "technic_battery_box_side0.png^technic_power_meter"..i..".png"},
+	groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,not_in_creative_inventory=1},
+	sounds = default.node_sound_wood_defaults(),
+	technic_power_machine=1,
+	last_side_shown=0,
+	drop="technic:battery_box",
+	on_construct = function(pos)
+		local meta = minetest.env:get_meta(pos)
+		meta:set_string("infotext", "Battery box")
+		meta:set_float("technic_power_machine", 1)
+		meta:set_string("formspec", battery_box_formspec)
+		local inv = meta:get_inventory()
+		inv:set_size("src", 1)
+		inv:set_size("dst", 1)
+		battery_charge = 0
+		max_charge = 60000
+		last_side_shown=0
+		end,	
+	can_dig = function(pos,player)
+		local meta = minetest.env:get_meta(pos);
+		local inv = meta:get_inventory()
+		if not inv:is_empty("dst") then
+			return false
+		elseif not inv:is_empty("src") then
+			return false
+		end
+		return true
+	end,
+})
+end
+
+LV_nodes_visited = {}
+
+function get_RE_item_load (load1,max_load)
+if load1==0 then load1=65535 end
+local temp = 65536-load1
+temp= temp/65535*max_load
+return math.floor(temp + 0.5)
+end
+
+function set_RE_item_load (load1,max_load)
+if load1 == 0 then return 65535 end
+local temp=load1/max_load*65535
+temp=65536-temp
+return math.floor(temp)
+end
+
+function set_RE_wear (item_stack,load1,max_load)
+local temp=65536-math.floor(load1/max_load*65535)
+item_stack["wear"]=tostring(temp)
+return item_stack
+end
+
+minetest.register_abm({
+	nodenames = {"technic:battery_box","technic:battery_box1","technic:battery_box2","technic:battery_box3","technic:battery_box4",
+		"technic:battery_box5","technic:battery_box6","technic:battery_box7","technic:battery_box8"},
+	interval = 1,
+	chance = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+	local meta = minetest.env:get_meta(pos)
+	charge= meta:get_int("battery_charge")
+	max_charge= 60000
+	local i=math.ceil((charge/max_charge)*8)
+	if i>8 then i=8 end
+	j=meta:get_float("last_side_shown")
+	if i~=j then
+	if i>0 then hacky_swap_node(pos,"technic:battery_box"..i)  
+	elseif i==0 then hacky_swap_node(pos,"technic:battery_box") end 
+	meta:set_float("last_side_shown",i)
+	end
+
+--loading registered power tools
+	local inv = meta:get_inventory()
+	if inv:is_empty("src")==false  then 
+		local srcstack = inv:get_stack("src", 1)
+		local src_item=srcstack:to_table()
+		local src_meta=get_item_meta(src_item["metadata"])
+
+		local item_max_charge=nil
+		for i=1,registered_power_tools_count,1 do
+			if power_tools[i].tool_name==src_item["name"] then
+				src_meta=get_item_meta(src_item["metadata"])
+				if src_meta==nil then 
+					src_meta={}
+					src_meta["technic_power_tool"]=true
+					src_meta["charge"]=0
+				else 
+					if src_meta["technic_power_tool"]==nil then
+						src_meta["technic_power_tool"]=true
+						src_meta["charge"]=0
+					end
+				end
+				item_max_charge=power_tools[i].max_charge
+			end
+		end
+		
+		if item_max_charge then
+			load1=src_meta["charge"] 
+			load_step=1000
+			if load1<item_max_charge and charge>0 then 
+				if charge-load_step<0 then load_step=charge end
+				if load1+load_step>item_max_charge then load_step=item_max_charge-load1 end
+				load1=load1+load_step
+				charge=charge-load_step
+				set_RE_wear(src_item,load1,item_max_charge)
+				src_meta["charge"]=load1
+				src_item["metadata"]=set_item_meta(src_meta)
+				inv:set_stack("src", 1, src_item)
+			end
+			meta:set_int("battery_charge",charge)
+		end	
+	end
+	
+-- discharging registered power tools
+		if inv:is_empty("dst") == false then 
+		srcstack = inv:get_stack("dst", 1)
+		src_item=srcstack:to_table()
+		local src_meta=get_item_meta(src_item["metadata"])
+		local item_max_charge=nil
+		for i=1,registered_power_tools_count,1 do
+			if power_tools[i].tool_name==src_item["name"] then
+				src_meta=get_item_meta(src_item["metadata"])
+				if src_meta==nil then 
+					src_meta={}
+					src_meta["technic_power_tool"]=true
+					src_meta["charge"]=0
+				else 
+					if src_meta["technic_power_tool"]==nil then
+						src_meta["technic_power_tool"]=true
+						src_meta["charge"]=0
+					end
+				end
+				item_max_charge=power_tools[i].max_charge
+			end
+		end
+
+		if item_max_charge then
+		local load1=src_meta["charge"] 
+		load_step=1000
+		if load1>0 and charge<max_charge then 
+			 if charge+load_step>max_charge then load_step=max_charge-charge end
+		  	 if load1-load_step<0 then load_step=load1 end
+		load1=load1-load_step
+		charge=charge+load_step
+		set_RE_wear(src_item,load1,item_max_charge)
+		src_meta["charge"]=load1
+		src_item["metadata"]=set_item_meta(src_meta)
+		inv:set_stack("dst", 1, src_item)
+		end		
+		end
+		end
+		
+	meta:set_int("battery_charge",charge)
+
+	local load = math.floor(charge/60000 * 100)
+	meta:set_string("formspec",
+				battery_box_formspec..
+				"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
+						(load)..":technic_power_meter_fg.png]")
+
+	local pos1={}
+
+	pos1.y=pos.y-1
+	pos1.x=pos.x
+	pos1.z=pos.z
+
+
+	meta1 = minetest.env:get_meta(pos1)
+	if meta1:get_float("cablelike")~=1 then return end
+
+	local LV_nodes = {}
+	local PR_nodes = {}
+	local RE_nodes = {}
+
+	LV_nodes[1]={}
+	LV_nodes[1].x=pos1.x
+	LV_nodes[1].y=pos1.y
+	LV_nodes[1].z=pos1.z
+	LV_nodes[1].visited=false
+
+
+table_index=1
+	repeat
+	check_LV_node (PR_nodes,RE_nodes,LV_nodes,table_index)
+	table_index=table_index+1
+	if LV_nodes[table_index]==nil then break end
+	until false
+
+
+local pos1={}
+i=1
+	repeat
+	if PR_nodes[i]==nil then break end -- getting power from all connected producers
+		pos1.x=PR_nodes[i].x
+		pos1.y=PR_nodes[i].y
+		pos1.z=PR_nodes[i].z
+	local meta1 = minetest.env:get_meta(pos1)
+	local internal_EU_buffer=meta1:get_float("internal_EU_buffer")
+	if charge<max_charge then 
+	charge_to_take=200	
+	if internal_EU_buffer-charge_to_take<=0 then
+		charge_to_take=internal_EU_buffer
+	end
+	if charge_to_take>0 then 
+	charge=charge+charge_to_take 
+	internal_EU_buffer=internal_EU_buffer-charge_to_take
+	meta1:set_float("internal_EU_buffer",internal_EU_buffer)
+	end
+	end
+	i=i+1
+	until false
+
+if charge>max_charge then charge=max_charge end
+
+i=1
+	repeat
+	if RE_nodes[i]==nil then break end
+		pos1.x=RE_nodes[i].x         -- loading all conected machines buffers
+		pos1.y=RE_nodes[i].y
+		pos1.z=RE_nodes[i].z
+	local meta1 = minetest.env:get_meta(pos1)
+	local internal_EU_buffer=meta1:get_float("internal_EU_buffer")
+	local internal_EU_buffer_size=meta1:get_float("internal_EU_buffer_size")
+
+	local charge_to_give=200
+	if internal_EU_buffer+charge_to_give>internal_EU_buffer_size then
+		charge_to_give=internal_EU_buffer_size-internal_EU_buffer
+	end
+	if charge-charge_to_give<0 then charge_to_give=charge end
+
+	internal_EU_buffer=internal_EU_buffer+charge_to_give
+	meta1:set_float("internal_EU_buffer",internal_EU_buffer)
+	charge=charge-charge_to_give;
+	
+	i=i+1
+	until false
+	charge=math.floor(charge)
+	charge_string=tostring(charge)
+	meta:set_string("infotext", "Battery box: "..charge_string.."/"..max_charge);
+	meta:set_int("battery_charge",charge)
+
+end
+})
+
+function add_new_cable_node (LV_nodes,pos1)
+	local i=1
+	repeat
+		if LV_nodes[i]==nil then break end
+		if pos1.x==LV_nodes[i].x and pos1.y==LV_nodes[i].y and pos1.z==LV_nodes[i].z then return false end
+		i=i+1
+	until false
+	LV_nodes[i]={}
+	LV_nodes[i].x=pos1.x
+	LV_nodes[i].y=pos1.y
+	LV_nodes[i].z=pos1.z
+	LV_nodes[i].visited=false
+	return true
+end
+
+function check_LV_node (PR_nodes,RE_nodes,LV_nodes,i)
+	local pos1={}
+	pos1.x=LV_nodes[i].x
+	pos1.y=LV_nodes[i].y
+	pos1.z=LV_nodes[i].z
+	LV_nodes[i].visited=true
+	new_node_added=false
+
+	pos1.x=pos1.x+1
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.x=pos1.x-2
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.x=pos1.x+1
+
+	pos1.y=pos1.y+1
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.y=pos1.y-2
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.y=pos1.y+1
+
+	pos1.z=pos1.z+1
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.z=pos1.z-2
+	check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+	pos1.z=pos1.z+1
+return new_node_added
+end
+
+function check_LV_node_subp (PR_nodes,RE_nodes,LV_nodes,pos1)
+meta = minetest.env:get_meta(pos1)
+if meta:get_float("cablelike")==1 then new_node_added=add_new_cable_node(LV_nodes,pos1) end
+for i in ipairs(LV_machines) do
+	if minetest.env:get_node(pos1).name == LV_machines[i].machine_name then 
+		if LV_machines[i].machine_type == "PR" then
+			new_node_added=add_new_cable_node(PR_nodes,pos1) 
+			end
+		if LV_machines[i].machine_type == "RE" then
+			new_node_added=add_new_cable_node(RE_nodes,pos1) 
+			end
+	end
+end
+end

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