Merge pull request #38 from kpoppel/master

kpoppel

2013-07-02 053fa59739f4b772174bf0a090969b3395ab3f98

 technic/battery_box_mv.lua

@@ -1,323 +1,233 @@
minetest.register_craft({
   output = 'technic:mv_battery_box 1',
   recipe = {
      {'technic:battery_box', 'technic:battery_box', 'technic:battery_box'},
      {'technic:battery_box', 'technic:mv_transformer', 'technic:battery_box'},
      {'', 'technic:mv_cable', ''},
   }
}) 
-- MV Battery box
minetest.register_craft(
   {
      output = 'technic:mv_battery_box 1',
      recipe = {
    {'technic:battery_box', 'technic:battery_box', 'technic:battery_box'},
    {'technic:battery_box', 'technic:mv_transformer', 'technic:battery_box'},
    {'', 'technic:mv_cable', ''},
      }
   })

local 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;MV_Battery box]"..
   "label[3,0;Charge]"..
   "label[5,0;Discharge]"..
   "label[1,3;Power level]"..
   "list[current_player;main;0,5;8,4;]"


mv_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;MV_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:mv_battery_box", {
   description = "MV Battery Box",
   tiles = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png",
      "technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png"},
   groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
   sounds = default.node_sound_wood_defaults(),
   technic_mv_power_machine=1,
   last_side_shown=0,
   drop="technic:mv_battery_box",
   on_construct = function(pos)
      local meta = minetest.env:get_meta(pos)
      meta:set_string("infotext", "MV Battery box")
      meta:set_float("technic_mv_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 = 300000
      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,
})
minetest.register_node(
   "technic:mv_battery_box", {
      description = "MV Battery Box",
      tiles  = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png",
           "technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png"},
      groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
      sounds = default.node_sound_wood_defaults(),
      drop   = "technic:mv_battery_box",
      on_construct = function(pos)
         if pos==nil then return end
         local meta = minetest.env:get_meta(pos);
         local inv = meta:get_inventory()
         meta:set_string("infotext", "MV Battery box")
         meta:set_float("technic_mv_power_machine", 1)
         meta:set_string("formspec", battery_box_formspec)
         meta:set_int("MV_EU_demand", 0) -- How much can this node charge
         meta:set_int("MV_EU_supply", 0) -- How much can this node discharge
         meta:set_int("MV_EU_input",  0) -- How much power is this machine getting.
         meta:set_float("internal_EU_charge", 0)
         inv:set_size("src", 1)
         inv:set_size("dst", 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") or not inv:is_empty("dst") then
            minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
            return false
         else
            return true
         end
      end,
   })


for i=1,8,1 do
minetest.register_node("technic:mv_battery_box"..i, {
   description = "MV Battery Box",
   tiles = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png",
      "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_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:mv_battery_box",
   on_construct = function(pos)
      local meta = minetest.env:get_meta(pos)
      meta:set_string("infotext", "MV Battery box")
      meta:set_float("technic_mv_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 = 300000
      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,
})
   minetest.register_node(
      "technic:mv_battery_box"..i,
      {
    description = "MV Battery Box",
    tiles  = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png",
         "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_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(),
    drop   = "technic:mv_battery_box",
    can_dig = function(pos,player)
            local meta = minetest.env:get_meta(pos);
            local inv = meta:get_inventory()
            if not inv:is_empty("src") or not inv:is_empty("dst") then
          minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
          return false
            else
          return true
            end
         end,
      })
end

local power_tools = technic.MV_power_tools

MV_nodes_visited = {}
local charge_MV_tools = function(meta, charge)
           --charge 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 toolname = src_item["name"]
         if power_tools[toolname] ~= nil then
            -- Set meta data for the tool if it didn't do it itself :-(
            src_meta=get_item_meta(src_item["metadata"])
            if src_meta==nil then
               src_meta={}
               src_meta["technic_mv_power_tool"]=true
               src_meta["charge"]=0
            else
               if src_meta["technic_mv_power_tool"]==nil then
             src_meta["technic_mv_power_tool"]=true
             src_meta["charge"]=0
               end
            end
            -- Do the charging
            local item_max_charge = power_tools[toolname]
            local load            = src_meta["charge"]
            local load_step       = 1000 -- how much to charge per tick
            if load<item_max_charge and charge>0 then
               if charge-load_step<0 then load_step=charge end
               if load+load_step>item_max_charge then load_step=item_max_charge-load end
               load=load+load_step
               charge=charge-load_step
               technic.set_RE_wear(src_item,load,item_max_charge)
               src_meta["charge"]   = load
               src_item["metadata"] = set_item_meta(src_meta)
               inv:set_stack("src", 1, src_item)
            end
         end
           end
           return charge -- return the remaining charge in the battery
        end

local discharge_MV_tools = function(meta, charge, max_charge)
         -- discharging registered power tools
         local inv = meta:get_inventory()
         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 toolname = src_item["name"]
            if power_tools[toolname] ~= nil then
               -- Set meta data for the tool if it didn't do it itself :-(
               src_meta=get_item_meta(src_item["metadata"])
               if src_meta==nil then
             src_meta={}
             src_meta["technic_mv_power_tool"]=true
             src_meta["charge"]=0
               else
             if src_meta["technic_mv_power_tool"]==nil then
                src_meta["technic_mv_power_tool"]=true
                src_meta["charge"]=0
             end
               end
               -- Do the discharging
               local item_max_charge = power_tools[toolname]
               local load            = src_meta["charge"]
               local load_step       = 4000 -- how much to discharge per tick
               if load>0 and charge<max_charge then
             if charge+load_step>max_charge then load_step=max_charge-charge end
             if load-load_step<0 then load_step=load end
             load=load-load_step
             charge=charge+load_step
             technic.set_RE_wear(src_item,load,item_max_charge)
             src_meta["charge"]=load
             src_item["metadata"]=set_item_meta(src_meta)
             inv:set_stack("dst", 1, src_item)
               end
            end
         end
         return charge -- return the remaining charge in the battery
           end

minetest.register_abm({
   nodenames = {"technic:mv_battery_box","technic:mv_battery_box1","technic:mv_battery_box2","technic:mv_battery_box3","technic:mv_battery_box4",
           "technic:mv_battery_box5","technic:mv_battery_box6","technic:mv_battery_box7","technic:mv_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= 300000
   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:mv_battery_box"..i)  
   elseif i==0 then hacky_swap_node(pos,"technic:mv_battery_box") end 
   meta:set_float("last_side_shown",i)
   end
minetest.register_abm(
   {
      nodenames = {"technic:mv_battery_box","technic:mv_battery_box1","technic:mv_battery_box2","technic:mv_battery_box3","technic:mv_battery_box4",
         "technic:mv_battery_box5","technic:mv_battery_box6","technic:mv_battery_box7","technic:mv_battery_box8"
      },
      interval = 1,
      chance   = 1,
      action = function(pos, node, active_object_count, active_object_count_wider)
      local meta               = minetest.env:get_meta(pos)
      local max_charge         = 300000 -- Set maximum charge for the device here
      local max_charge_rate    = 2000   -- Set maximum rate of charging (4000)
      local max_discharge_rate = 3000   -- Set maximum rate of discharging
      local eu_input           = meta:get_int("MV_EU_input")
      local current_charge     = meta:get_int("internal_EU_charge") -- Battery charge right now

--loading registered power tools	
   local inv = meta:get_inventory()
   if inv:is_empty("src")==false  then 
      srcstack = inv:get_stack("src", 1)
      src_item=srcstack:to_table()
      item_meta=srcstack:get_metadata()
      if src_item["metadata"]=="" then src_item["metadata"]="0" end --create meta for not used before tool/item
      -- Power off automatically if no longer connected to a switching station
      technic.switching_station_timeout_count(pos, "MV")

   local item_max_charge = nil
   local counter=registered_power_tools_count-1
   for i=1, counter,1 do
      if power_tools[i].tool_name==src_item["name"] then
      item_max_charge=power_tools[i].max_charge	
      -- Charge/discharge the battery with the input EUs
      if eu_input >=0 then
         current_charge = math.min(current_charge+eu_input, max_charge)
      else
         current_charge = math.max(current_charge+eu_input, 0)
      end

      -- Charging/discharging tools here
      current_charge = charge_MV_tools(meta, current_charge)
      current_charge = discharge_MV_tools(meta, current_charge, max_charge)

      -- Set a demand (we allow batteries to charge on less than the demand though)
      meta:set_int("MV_EU_demand", math.min(max_charge_rate, max_charge-current_charge))

      -- Set how much we can supply
      meta:set_int("MV_EU_supply", math.min(max_discharge_rate, current_charge))

      meta:set_int("internal_EU_charge", current_charge)
      --dprint("BA: input:"..eu_input.." supply="..meta:get_int("MV_EU_supply").." demand="..meta:get_int("MV_EU_demand").." current:"..current_charge)

      -- Select node textures
      local i=math.ceil((current_charge/max_charge)*8)
      if i > 8 then i = 8 end
      local j = meta:get_float("last_side_shown")
      if i~=j then
         if i>0 then hacky_swap_node(pos,"technic:mv_battery_box"..i)
         elseif i==0 then hacky_swap_node(pos,"technic:mv_battery_box") end
         meta:set_float("last_side_shown",i)
      end
   if item_max_charge then
      load1=tonumber((src_item["metadata"])) 
      load_step=4000
      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_item["metadata"]=tostring(load1)
      inv:set_stack("src", 1, src_item)

      local load = math.floor(current_charge/max_charge * 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]"
              )

      if eu_input == 0 then
         meta:set_string("infotext", "MV Battery box: "..current_charge.."/"..max_charge.." (idle)")
      else
         meta:set_string("infotext", "MV Battery box: "..current_charge.."/"..max_charge)
      end
      meta:set_int("battery_charge",charge)
   end	
   end
	
-- dischargin registered power tools
      if inv:is_empty("dst") == false then 
      srcstack = inv:get_stack("dst", 1)
      src_item=srcstack:to_table()
      local item_max_charge = nil
      local counter=registered_power_tools_count-1
      for i=1, counter,1 do
      if power_tools[i].tool_name==src_item["name"] then
      item_max_charge=power_tools[i].max_charge	
      end
      end
      if item_max_charge then
      if src_item["metadata"]=="" then src_item["metadata"]="0" end --create meta for not used before battery/crystal
      local load1=tonumber((src_item["metadata"])) 
      load_step=4000
      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_item["metadata"]=tostring(load1)	
      inv:set_stack("dst", 1, src_item)
      end		
      end
      end
		
   meta:set_int("battery_charge",charge)
        end
   })

   local load = math.floor(charge/300000 * 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;]"..
            "image[4,1;1,1;technic_battery_reload.png]"..
            "list[current_name;dst;5,1;1,1;]"..
            "label[0,0;MV Battery box]"..
            "label[3,0;Charge]"..
            "label[5,0;Discharge]"..
            "label[1,3;Power level]"..
            "list[current_player;main;0,5;8,4;]")
		
   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("mv_cablelike")~=1 then return end

      local MV_nodes = {}
      local PR_nodes = {}
      local RE_nodes = {}

       MV_nodes[1]={}
       MV_nodes[1].x=pos1.x
      MV_nodes[1].y=pos1.y
      MV_nodes[1].z=pos1.z
      MV_nodes[1].visited=false
	
table_index=1
   repeat
   check_MV_node (PR_nodes,RE_nodes,MV_nodes,table_index)
   table_index=table_index+1
   if MV_nodes[table_index]==nil then break end
   until false


local pos1={}
i=1
   repeat
   if PR_nodes[i]==nil then break end -- gettin 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=1000	
   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=1000
   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)

-- Register as a battery type
-- Battery type machines function as power reservoirs and can both receive and give back power
technic.register_MV_machine("technic:mv_battery_box","BA")
for i=1,8,1 do
   technic.register_MV_machine("technic:mv_battery_box"..i,"BA")
end
})

function add_new_MVcable_node (MV_nodes,pos1)
local i=1
   repeat
      if MV_nodes[i]==nil then break end
      if pos1.x==MV_nodes[i].x and pos1.y==MV_nodes[i].y and pos1.z==MV_nodes[i].z then return false end
      i=i+1
   until false
MV_nodes[i]={}
MV_nodes[i].x=pos1.x
MV_nodes[i].y=pos1.y
MV_nodes[i].z=pos1.z
MV_nodes[i].visited=false
return true
end

function check_MV_node (PR_nodes,RE_nodes,MV_nodes,i)
      local pos1={}
      pos1.x=MV_nodes[i].x
      pos1.y=MV_nodes[i].y
      pos1.z=MV_nodes[i].z
      MV_nodes[i].visited=true
      new_node_added=false
	
      pos1.x=pos1.x+1
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.x=pos1.x-2
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.x=pos1.x+1
		
      pos1.y=pos1.y+1
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.y=pos1.y-2
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.y=pos1.y+1

      pos1.z=pos1.z+1
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.z=pos1.z-2
      check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
      pos1.z=pos1.z+1
return new_node_added
end

function check_MV_node_subp (PR_nodes,RE_nodes,MV_nodes,pos1)
meta = minetest.env:get_meta(pos1)
if meta:get_float("mv_cablelike")==1 then new_node_added=add_new_MVcable_node(MV_nodes,pos1) end
if minetest.env:get_node(pos1).name == "technic:solar_panel_mv"          then    new_node_added=add_new_MVcable_node(PR_nodes,pos1) end
if minetest.env:get_node(pos1).name == "technic:mv_electric_furnace"       then    new_node_added=add_new_MVcable_node(RE_nodes,pos1) end
if minetest.env:get_node(pos1).name == "technic:mv_electric_furnace_active" then    new_node_added=add_new_MVcable_node(RE_nodes,pos1) end
end