390 lines
11 KiB
Lua
390 lines
11 KiB
Lua
-- Melts metals using lava as a heat source
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metal_melter = {}
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metal_melter.max_fuel = 8000
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metal_melter.max_metal = 16000
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metal_melter.spec = {
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ingot = 144,
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crystal = 144,
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block = 1000,
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lump = 288,
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ore = 288
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}
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function metal_melter.get_metal_from_stack(stack)
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local metal = nil
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local metal_type = nil
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-- Find a metal that is in the name
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for v,_ in pairs(fluidity.molten_metals) do
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if stack:find(v) then
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metal = v
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end
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end
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if not metal then
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return nil
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end
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-- Find type
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if stack:find("lump") then
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metal_type = "lump"
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elseif stack:find("ingot") then
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metal_type = "ingot"
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elseif stack:find("ore") then
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metal_type = "ore"
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elseif stack:find("crystal") then
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metal_type = "crystal"
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else
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-- Assume block
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metal_type = "block"
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end
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return metal, metal_type
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end
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function metal_melter.get_metal_melter_formspec_default()
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return "size[8,8.5]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[context;input;2.25,0.2;1,1;]"..
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"list[context;heat;2.25,1.4;1,1;]"..
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"image[1.3,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
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"image[0.08,0;1.4,2.8;melter_gui_barbg.png]"..
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"image[0.08,0;1.4,2.8;melter_gui_gauge.png]"..
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"label[0.08,3.4;Lava: 0/"..metal_melter.max_fuel.." mB]"..
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"image[6.68,0;1.4,2.8;melter_gui_barbg.png]"..
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"image[6.68,0;1.4,2.8;melter_gui_gauge.png]"..
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"label[0.08,3.75;No Molten Metal]"..
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"list[context;bucket_in;4.75,0.2;2,2;]"..
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"list[context;bucket_out;4.75,1.4;2,2;]"..
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"image[5.75,0.2;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
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"image[5.75,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
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"list[current_player;main;0,4.25;8,1;]"..
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"list[current_player;main;0,5.5;8,3;8]"..
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"listring[context;heat]"..
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"listring[current_player;main]"..
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"listring[context;input]"..
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"listring[current_player;main]"..
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"listring[context;bucket_in]"..
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"listring[current_player;main]"..
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"listring[context;bucket_out]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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end
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function metal_melter.get_metal_melter_formspec(data)
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local lava_percent = data.lava_level / metal_melter.max_fuel
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local metal_percent = data.metal_level / metal_melter.max_metal
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local metal_formspec = "label[0.08,3.75;No Molten Metal]"
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if data.metal ~= "" then
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metal_formspec = "label[0.08,3.75;"..data.metal..": "..data.metal_level.."/"..metal_melter.max_metal.." mB]"
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end
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return "size[8,8.5]"..
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default.gui_bg..
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default.gui_bg_img..
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default.gui_slots..
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"list[context;input;2.25,0.2;1,1;]"..
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"list[context;heat;2.25,1.4;1,1;]"..
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"image[1.3,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
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"image[0.08,0;1.4,2.8;melter_gui_barbg.png]"..
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"image[0.08,"..(2.44 - lava_percent * 2.44)..";1.4,"..(lava_percent * 2.8)..";default_lava.png]"..
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"image[0.08,0;1.4,2.8;melter_gui_gauge.png]"..
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"label[0.08,3.4;Lava: "..data.lava_level.."/"..metal_melter.max_fuel.." mB]"..
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"image[6.68,0;1.4,2.8;melter_gui_barbg.png]"..
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"image[6.68,"..(2.44 - metal_percent * 2.44)..";1.4,"..(metal_percent * 2.8)..";"..data.metal_texture.."]"..
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"image[6.68,0;1.4,2.8;melter_gui_gauge.png]"..
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metal_formspec..
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"list[context;bucket_in;4.75,0.2;1,1;]"..
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"list[context;bucket_out;4.75,1.4;1,1;]"..
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"image[5.75,0.2;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
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"image[5.75,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
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"list[current_player;main;0,4.25;8,1;]"..
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"list[current_player;main;0,5.5;8,3;8]"..
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"listring[context;heat]"..
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"listring[current_player;main]"..
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"listring[context;input]"..
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"listring[current_player;main]"..
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"listring[context;bucket_in]"..
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"listring[current_player;main]"..
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"listring[context;bucket_out]"..
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"listring[current_player;main]"..
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default.get_hotbar_bg(0, 4.25)
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end
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local function allow_metadata_inventory_put (pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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if listname == "bucket_out" then
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if stack:get_name() ~= "bucket:bucket_empty" then
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return 0
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end
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return 1
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end
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if listname == "heat" then
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if stack:get_name() ~= "bucket:bucket_lava" then
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return 0
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end
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end
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return stack:get_count()
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end
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local function allow_metadata_inventory_move (pos, from_list, from_index, to_list, to_index, count, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local stack = inv:get_stack(from_list, from_index)
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return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
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end
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local function allow_metadata_inventory_take (pos, listname, index, stack, player)
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if minetest.is_protected(pos, player:get_player_name()) then
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return 0
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end
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return stack:get_count()
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end
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local function take_from_stack(stack, count)
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-- Take count from stack, return nil if the item count reaches 0
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local newcount = stack:get_count() - count
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if newcount <= 0 then
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return nil
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end
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stack:set_count(newcount)
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return stack
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end
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local function swap_node(pos, name)
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local node = minetest.get_node(pos)
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if node.name == name then
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return
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end
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node.name = name
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minetest.swap_node(pos, node)
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end
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local function melter_node_timer(pos, elapsed)
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local refresh = false
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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-- Current amount of lava in the block
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local heat_count = meta:get_int("lava_level")
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-- Current amount of metal in the block
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local metal_count = meta:get_int("metal_level")
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-- Current metal used
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local metal = meta:get_string("metal")
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-- Insert lava bucket into tank, return empty bucket
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if inv:get_stack("heat", 1):get_name() == "bucket:bucket_lava" then
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if heat_count + 1000 <= metal_melter.max_fuel then
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heat_count = heat_count + 1000
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inv:set_list("heat", {"bucket:bucket_empty"})
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refresh = true
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end
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end
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-- Handle input bucket, only allow a molten metal
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local bucket_in = inv:get_stack("bucket_in", 1):get_name()
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if bucket_in:find("bucket") and bucket_in ~= "bucket:bucket_empty" then
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local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_in)
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local fluid_is_metal = fluidity.get_metal_for_fluid(bucket_fluid) ~= nil
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local empty_bucket = false
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if fluid_is_metal then
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if metal ~= "" and metal == bucket_fluid then
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if metal_count + 1000 <= metal_melter.max_metal then
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metal_count = metal_count + 1000
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empty_bucket = true
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end
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elseif metal == "" then
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metal_count = 1000
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metal = bucket_fluid
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empty_bucket = true
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end
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end
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if empty_bucket then
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inv:set_list("bucket_in", {"bucket:bucket_empty"})
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refresh = true
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end
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end
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-- Handle bucket output, only allow empty buckets in this slot
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local bucket_out = inv:get_stack("bucket_out", 1):get_name()
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if bucket_out == "bucket:bucket_empty" and metal ~= "" then
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local bucket = fluidity.get_bucket_for_fluid(metal)
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if metal_count >= 1000 then
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metal_count = metal_count - 1000
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inv:set_list("bucket_out", {bucket})
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refresh = true
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if metal_count == 0 then
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metal = ""
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end
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end
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end
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-- Handle metal input. Must be a: ingot, lump, block or ore.
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local input = inv:get_stack("input", 1):get_name()
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if input ~= "" then
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local mt, t = metal_melter.get_metal_from_stack(input)
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if mt then
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local cnt = metal_melter.spec[t]
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local heat_consume = math.floor(cnt / 2)
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if metal_count + cnt <= metal_melter.max_metal and heat_count >= heat_consume then
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local metal_name = fluidity.molten_metals[mt]
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metal = metal_name
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metal_count = metal_count + cnt
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heat_count = heat_count - heat_consume
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inv:set_stack("input", 1, take_from_stack(inv:get_stack("input", 1), 1))
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refresh = true
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end
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end
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end
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-- Refresh metadata and formspec
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if refresh then
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meta:set_int("lava_level", heat_count)
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meta:set_int("metal_level", metal_count)
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meta:set_string("metal", metal)
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local metal_texture = "default_lava.png"
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local metal_name = ""
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local infotext = "Metal Melter\n"
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infotext = infotext.."Lava: "..heat_count.."/"..metal_melter.max_fuel.." mB \n"
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if metal ~= "" then
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metal_texture = "fluidity_"..fluidity.get_metal_for_fluid(metal)..".png"
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local metal_node = minetest.registered_nodes[metal]
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metal_name = fluidity.fluid_name(metal_node.description)
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infotext = infotext..metal_name..": "..metal_count.."/"..metal_melter.max_metal.." mB"
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else
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infotext = infotext.."No Molten Metal"
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end
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if heat_count > 144 then
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swap_node(pos, "metal_melter:metal_melter_filled")
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else
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swap_node(pos, "metal_melter:metal_melter")
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end
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meta:set_string("infotext", infotext)
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meta:set_string("formspec", metal_melter.get_metal_melter_formspec(
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{lava_level=heat_count, metal_level=metal_count, metal_texture=metal_texture, metal=metal_name}))
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end
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-- If true, calls for another clock cycle.
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return refresh
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end
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local function on_construct(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", metal_melter.get_metal_melter_formspec_default())
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-- Create inventory
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local inv = meta:get_inventory()
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inv:set_size('input', 1)
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inv:set_size('heat', 1)
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inv:set_size('bucket_in', 1)
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inv:set_size('bucket_out', 1)
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-- Fluid buffers
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meta:set_int('lava_level', 0)
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meta:set_int('metal_level', 0)
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-- Metal source block
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meta:set_string('metal', '')
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-- Default infotext
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meta:set_string("infotext", "Metal Melter Inactive")
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end
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local function can_dig(pos, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:is_empty("input") and inv:is_empty("heat") and inv:is_empty("bucket_in") and inv:is_empty("bucket_out")
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end
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minetest.register_node("metal_melter:metal_melter", {
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description = "Metal Melter",
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tiles = {
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"melter_side.png", "melter_side.png",
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"melter_side.png", "melter_side.png",
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"melter_side.png", "melter_front.png"
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},
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paramtype2 = "facedir",
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groups = {cracky=2},
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legacy_facedir_simple = true,
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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can_dig = can_dig,
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on_timer = melter_node_timer,
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on_construct = on_construct,
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on_metadata_inventory_move = function(pos)
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_metadata_inventory_put = function(pos)
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_blast = function(pos)
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local drops = {}
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default.get_inventory_drops(pos, "input", drops)
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default.get_inventory_drops(pos, "heat", drops)
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default.get_inventory_drops(pos, "bucket_in", drops)
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default.get_inventory_drops(pos, "bucket_out", drops)
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drops[#drops+1] = "metal_melter:metal_melter"
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minetest.remove_node(pos)
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return drops
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end,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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minetest.register_node("metal_melter:metal_melter_filled", {
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tiles = {
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"melter_side.png", "melter_side.png",
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"melter_side.png", "melter_side.png",
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"melter_side.png", "melter_front.png^melter_front_lava.png"
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},
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paramtype2 = "facedir",
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groups = {cracky=2,not_in_creative_inventory=1},
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legacy_facedir_simple = true,
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is_ground_content = false,
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sounds = default.node_sound_stone_defaults(),
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drop = "metal_melter:metal_melter",
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light_source = 8,
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can_dig = can_dig,
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on_timer = melter_node_timer,
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on_construct = on_construct,
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on_metadata_inventory_move = function(pos)
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minetest.get_node_timer(pos):start(1.0)
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end,
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on_metadata_inventory_put = function(pos)
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minetest.get_node_timer(pos):start(1.0)
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end,
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allow_metadata_inventory_put = allow_metadata_inventory_put,
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allow_metadata_inventory_move = allow_metadata_inventory_move,
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allow_metadata_inventory_take = allow_metadata_inventory_take,
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})
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