Merge pull request #38 from kpoppel/master

kpoppel

2013-07-02 053fa59739f4b772174bf0a090969b3395ab3f98

 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]"..
@@ -22,117 +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

register_LV_machine ("technic:geothermal","PR")
register_LV_machine ("technic:geothermal_active","PR")
technic.register_LV_machine ("technic:geothermal","PR")
technic.register_LV_machine ("technic:geothermal_active","PR")