melterns/metal_melter/caster.lua

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-- Casts molten metals into a solid form
metal_caster = {}
metal_caster.max_coolant = 8000
metal_caster.max_metal = 16000
-- Use melter values
metal_caster.spec = metal_melter.spec
metal_caster.casts = {
ingot = {description = "Ingot", result = "ingot", cost = 1, typenames = {"ingot"}},
lump = {description = "Lump", result = "lump", cost = 2, typenames = {"lump"}},
gem = {description = "Gem", result = "crystal", cost = 1, typenames = {"crystal", "gem"}}
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}
local metal_cache = {}
function metal_caster.get_metal_caster_formspec_default()
return "size[8,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;cast;2.7,0.2;1,1;]"..
"image[2.7,1.35;1,1;gui_furnace_arrow_bg.png^[transformFY]"..
"list[context;output;2.7,2.5;1,1;]"..
"list[context;coolant;0.25,2.5;1,1;]"..
"image[0.08,0;1.4,2.8;melter_gui_barbg.png]"..
"image[0.08,0;1.4,2.8;melter_gui_gauge.png]"..
"label[0.08,3.4;Water: 0/"..metal_caster.max_coolant.." mB]"..
"image[6.68,0;1.4,2.8;melter_gui_barbg.png]"..
"image[6.68,0;1.4,2.8;melter_gui_gauge.png]"..
"label[0.08,3.75;No Molten Metal]"..
"list[context;bucket_in;4.7,0.2;1,1;]"..
"list[context;bucket_out;4.7,1.4;1,1;]"..
"image[5.7,0.2;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
"image[5.7,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
"button[6.68,2.48;1.33,1;dump;Dump]"..
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"list[current_player;main;0,4.25;8,1;]"..
"list[current_player;main;0,5.5;8,3;8]"..
"listring[context;coolant]"..
"listring[current_player;main]"..
"listring[context;cast]"..
"listring[current_player;main]"..
"listring[context;output]"..
"listring[current_player;main]"..
"listring[context;bucket_in]"..
"listring[current_player;main]"..
"listring[context;bucket_out]"..
"listring[current_player;main]"..
default.get_hotbar_bg(0, 4.25)
end
function metal_caster.get_metal_caster_formspec(data)
local water_percent = data.water_level / metal_caster.max_coolant
local metal_percent = data.metal_level / metal_caster.max_metal
local metal_formspec = "label[0.08,3.75;No Molten Metal]"
if data.metal ~= "" then
metal_formspec = "label[0.08,3.75;"..data.metal..": "..data.metal_level.."/"..metal_caster.max_metal.." mB]"
end
return "size[8,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"list[context;cast;2.7,0.2;1,1;]"..
"image[2.7,1.35;1,1;gui_furnace_arrow_bg.png^[transformFY]"..
"list[context;output;2.7,2.5;1,1;]"..
"list[context;coolant;0.25,2.5;1,1;]"..
"image[0.08,0;1.4,2.8;melter_gui_barbg.png]"..
"image[0.08,"..(2.44 - water_percent * 2.44)..";1.4,"..(water_percent * 2.8)..";default_water.png]"..
"image[0.08,0;1.4,2.8;melter_gui_gauge.png]"..
"label[0.08,3.4;Water: "..data.water_level.."/"..metal_caster.max_coolant.." mB]"..
"image[6.68,0;1.4,2.8;melter_gui_barbg.png]"..
"image[6.68,"..(2.44 - metal_percent * 2.44)..";1.4,"..(metal_percent * 2.8)..";"..data.metal_texture.."]"..
"image[6.68,0;1.4,2.8;melter_gui_gauge.png]"..
metal_formspec..
"list[context;bucket_in;4.7,0.2;1,1;]"..
"list[context;bucket_out;4.7,1.4;1,1;]"..
"image[5.7,0.2;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
"image[5.7,1.4;1,1;gui_furnace_arrow_bg.png^[transformR90]"..
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"button[6.68,2.48;1.33,1;dump;Dump]"..
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"list[current_player;main;0,4.25;8,1;]"..
"list[current_player;main;0,5.5;8,3;8]"..
"listring[context;coolant]"..
"listring[current_player;main]"..
"listring[context;cast]"..
"listring[current_player;main]"..
"listring[context;output]"..
"listring[current_player;main]"..
"listring[context;bucket_in]"..
"listring[current_player;main]"..
"listring[context;bucket_out]"..
"listring[current_player;main]"..
default.get_hotbar_bg(0, 4.25)
end
-- Check to see if this cast is able to cast this metal type
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local function can_dig(pos, player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return inv:is_empty("cast") and inv:is_empty("coolant") and inv:is_empty("bucket_in") and inv:is_empty("bucket_out") and
inv:is_empty("output")
end
local function allow_metadata_inventory_put (pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
if listname == "bucket_out" then
if stack:get_name() ~= "bucket:bucket_empty" and not fluidity.florbs.get_is_florb(stack) then
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return 0
end
return 1
end
if listname == "coolant" then
if stack:get_name() ~= "bucket:bucket_water" then
return 0
end
end
if listname == "output" then
return 0
end
return stack:get_count()
end
local function allow_metadata_inventory_move (pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local stack = inv:get_stack(from_list, from_index)
return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
end
local function allow_metadata_inventory_take (pos, listname, index, stack, player)
if minetest.is_protected(pos, player:get_player_name()) then
return 0
end
return stack:get_count()
end
-- Increment a stack by one
local function increment_stack(stack, appendix)
if stack:is_empty() then
return appendix
end
if stack:get_name() ~= appendix:get_name() then
return stack
end
stack:set_count(stack:get_count() + 1)
return stack
end
-- Decrement a stack by one
local function decrement_stack(stack)
if stack:get_count() == 1 then
return nil
end
stack:set_count(stack:get_count() - 1)
return stack
end
local function in_table(t, n)
local found = nil
for _, v in pairs(t) do
if v == n then
found = v
end
end
return found
end
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-- Get the corresponding cast for an item
local function get_cast_for(item)
local cast = nil
local typename = nil
for metal, types in pairs(metal_melter.melts) do
if typename ~= nil then break end
for t, items in pairs(types) do
if in_table(items, item) then
typename = t
break
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end
end
end
for cname,v in pairs(metal_caster.casts) do
if v.result == typename then
cast = cname
break
end
end
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return typename, cast
end
local function find_castable(metal_name, cast_name)
local cast = metal_caster.casts[cast_name]
if not cast then return nil end
local types = metal_melter.melts[metal_name]
if not types then return nil end
local typeres = types[cast.result]
if not typeres then return nil end
if #typeres > 0 then
return typeres[1]
end
return nil
end
local function get_cast_for_name(name)
for index, value in pairs(metal_caster.casts) do
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local mod = value.mod_name or "metal_melter"
if name == mod..":"..index.."_cast" then
return index
end
end
return nil
end
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local function caster_node_timer(pos, elapsed)
local refresh = false
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
-- Current amount of water (coolant) in the block
local coolant_count = meta:get_int("water_level")
-- Current amount of metal in the block
local metal_count = meta:get_int("metal_level")
-- Current metal used
local metal = meta:get_string("metal")
local metal_type = ""
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local dumping = meta:get_int("dump")
if dumping and dumping == 1 then
metal_count = 0
metal = ""
refresh = true
meta:set_int("dump", 0)
end
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-- Insert water bucket into tank, return empty bucket
if inv:get_stack("coolant", 1):get_name() == "bucket:bucket_water" then
if coolant_count + 1000 <= metal_caster.max_coolant then
coolant_count = coolant_count + 1000
inv:set_list("coolant", {"bucket:bucket_empty"})
refresh = true
end
end
-- Handle input bucket, only allow a molten metal
local bucket_in = inv:get_stack("bucket_in", 1)
local bucket_name = bucket_in:get_name()
if (bucket_name:find("bucket") and bucket_name ~= "bucket:bucket_empty") or (not fluidity.florbs.get_is_empty_florb(bucket_in) and fluidity.florbs.get_is_florb(bucket_in)) then
local is_florb = fluidity.florbs.get_is_florb(bucket_in)
if is_florb then
local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_in)
local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
if fluid_metal and (fluid_name == metal or metal == "") then
local take = 1000
if metal_count + take > metal_melter.max_metal then
take = metal_melter.max_metal - metal_count
end
-- Attempt to take 1000 millibuckets from the florb
local stack,res = fluidity.florbs.take_fluid(bucket_in, take)
if res > 0 then
take = take - res
end
metal = fluid_name
metal_count = metal_count + take
inv:set_list("bucket_in", {stack})
refresh = true
end
else
local bucket_fluid = fluidity.get_fluid_for_bucket(bucket_name)
local fluid_is_metal = fluidity.get_metal_for_fluid(bucket_fluid) ~= nil
local empty_bucket = false
if fluid_is_metal then
if metal ~= "" and metal == bucket_fluid then
if metal_count + 1000 <= metal_melter.max_metal then
metal_count = metal_count + 1000
empty_bucket = true
end
elseif metal == "" then
metal_count = 1000
metal = bucket_fluid
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empty_bucket = true
end
end
if empty_bucket then
inv:set_list("bucket_in", {"bucket:bucket_empty"})
refresh = true
end
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end
end
-- Handle bucket output, only allow empty buckets in this slot
local bucket_out = inv:get_stack("bucket_out", 1)
bucket_name = bucket_out:get_name()
if (bucket_name == "bucket:bucket_empty" or fluidity.florbs.get_is_florb(bucket_out)) and metal ~= "" and bucket_out:get_count() == 1 then
local is_florb = fluidity.florbs.get_is_florb(bucket_out)
if is_florb then
local contents, fluid_name, capacity = fluidity.florbs.get_florb_contents(bucket_out)
local fluid_metal = fluidity.get_metal_for_fluid(fluid_name)
if not fluid_name or fluid_name == metal then
local take = 1000
if metal_count < take then
take = metal_count
end
-- Attempt to put 1000 millibuckets into the florb
local stack,res = fluidity.florbs.add_fluid(bucket_out, metal, take)
if res > 0 then
take = take - res
end
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metal_count = metal_count - take
inv:set_list("bucket_out", {stack})
refresh = true
if metal_count == 0 then
metal = ""
end
end
else
local bucket = fluidity.get_bucket_for_fluid(metal)
if metal_count >= 1000 then
metal_count = metal_count - 1000
inv:set_list("bucket_out", {bucket})
refresh = true
if metal_count == 0 then
metal = ""
end
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end
end
end
-- If we have a cast, check if we can cast right now.
if metal ~= "" then
metal_type = fluidity.get_metal_for_fluid(metal)
local caststack = inv:get_stack("cast", 1):get_name()
local castname = get_cast_for_name(caststack)
if castname ~= nil then
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-- Cast metal using a cast
local cast = metal_caster.casts[castname]
local result_name = find_castable(metal_type, castname)
if result_name ~= nil then
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local result_cost = cast.cost * metal_caster.spec.ingot
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local coolant_cost = result_cost / 4
if metal_count >= result_cost and coolant_count >= coolant_cost then
local stack = ItemStack(result_name)
local output_stack = inv:get_stack("output", 1)
if output_stack:item_fits(stack) then
inv:set_stack("output", 1, increment_stack(output_stack, stack))
metal_count = metal_count - result_cost
coolant_count = coolant_count - coolant_cost
if metal_count == 0 then
metal = ""
end
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refresh = true
end
end
end
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else
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-- Create a new cast
local result_cost = metal_caster.spec.cast
local coolant_cost = result_cost / 4
if metal_count >= result_cost and coolant_count >= coolant_cost then
local mtype, ctype = get_cast_for(caststack)
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if mtype and ctype then
local cmod = metal_caster.casts[ctype].mod_name or "metal_melter"
local stack = ItemStack(cmod..":"..ctype.."_cast")
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local output_stack = inv:get_stack("output", 1)
local cast_stack = inv:get_stack("cast", 1)
if output_stack:item_fits(stack) then
inv:set_stack("output", 1, increment_stack(output_stack, stack))
inv:set_stack("cast", 1, decrement_stack(cast_stack))
metal_count = metal_count - result_cost
coolant_count = coolant_count - coolant_cost
if metal_count == 0 then
metal = ""
end
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refresh = true
end
end
end
end
end
if refresh then
meta:set_int("water_level", coolant_count)
meta:set_int("metal_level", metal_count)
meta:set_string("metal", metal)
local metal_texture = "default_lava.png"
local metal_name = ""
local infotext = "Metal Caster\n"
infotext = infotext.."Water: "..coolant_count.."/"..metal_caster.max_coolant.." mB \n"
if metal ~= "" then
metal_texture = "fluidity_"..fluidity.get_metal_for_fluid(metal)..".png"
local metal_node = minetest.registered_nodes[metal]
metal_name = fluidity.fluid_name(metal_node.description)
infotext = infotext..metal_name..": "..metal_count.."/"..metal_caster.max_metal.." mB"
else
infotext = infotext.."No Molten Metal"
end
meta:set_string("infotext", infotext)
meta:set_string("formspec", metal_caster.get_metal_caster_formspec(
{water_level=coolant_count, metal_level=metal_count, metal_texture=metal_texture, metal=metal_name}))
end
return refresh
end
local function on_construct(pos)
local meta = minetest.get_meta(pos)
meta:set_string("formspec", metal_caster.get_metal_caster_formspec_default())
-- Create inventory
local inv = meta:get_inventory()
inv:set_size('cast', 1)
inv:set_size('output', 1)
inv:set_size('coolant', 1)
inv:set_size('bucket_in', 1)
inv:set_size('bucket_out', 1)
-- Fluid buffers
meta:set_int('water_level', 0)
meta:set_int('metal_level', 0)
-- Metal source block
meta:set_string('metal', '')
-- Default infotext
meta:set_string("infotext", "Metal Caster Inactive")
end
-- Register a new cast
function metal_caster.register_cast(name, data)
local mod = data.mod_name or minetest.get_current_modname()
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local castname = mod..":"..name.."_cast"
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minetest.register_craftitem(castname, {
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description = data.description.." Cast\n\nMaterial Cost: "..data.cost,
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inventory_image = "caster_"..name.."_cast.png",
stack_max = 1,
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groups = {tinker_cast=1}
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})
if not metal_caster.casts[name] then
data.mod_name = mod
metal_caster.casts[name] = data
end
metal_melter.register_melt(castname, "gold", "cast")
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end
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local function on_receive_fields(pos, formname, fields, sender)
if sender and minetest.is_protected(pos, sender:get_player_name()) then
return 0
end
local meta = minetest.get_meta(pos)
if fields["dump"] then
meta:set_int('dump', 1)
minetest.get_node_timer(pos):start(1.0)
end
end
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-- Pipeworks integration
local pipeworks = {}
local tube_entry = ""
if minetest.get_modpath("pipeworks") ~= nil then
tube_entry = "^pipeworks_tube_connection_metallic.png"
local function insert_object(pos, node, stack, direction, owner)
local stack_name = stack:get_name()
local inv = minetest.get_meta(pos):get_inventory()
minetest.get_node_timer(pos):start(1.0)
if stack_name == "bucket:bucket_empty" or fluidity.florbs.get_is_empty_florb(stack) then
return inv:add_item("bucket_out", stack)
elseif stack_name == "bucket:bucket_water" then
return inv:add_item("coolant", stack)
elseif stack_name:find(":bucket_") ~= nil or fluidity.florbs.get_is_florb(stack) then
return inv:add_item("bucket_in", stack)
end
return ItemStack(nil)
end
pipeworks = {
connect_sides = {left = 1, right = 1, back = 1, bottom = 1, top = 1},
insert_object = insert_object,
input_inventory = "output",
}
end
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-- Register the caster
minetest.register_node("metal_melter:metal_caster", {
description = "Metal Caster",
tiles = {
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"melter_side.png"..tube_entry, "melter_side.png"..tube_entry,
"melter_side.png"..tube_entry, "melter_side.png"..tube_entry,
"melter_side.png"..tube_entry, "caster_front.png"
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},
paramtype2 = "facedir",
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groups = {
cracky=2,
tubedevice = 1,
tubedevice_receiver = 1,
},
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legacy_facedir_simple = true,
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
can_dig = can_dig,
on_timer = caster_node_timer,
on_construct = on_construct,
on_metadata_inventory_move = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
on_metadata_inventory_put = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
on_metadata_inventory_take = function(pos)
minetest.get_node_timer(pos):start(1.0)
end,
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on_receive_fields = on_receive_fields,
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on_blast = function(pos)
local drops = {}
default.get_inventory_drops(pos, "cast", drops)
default.get_inventory_drops(pos, "output", drops)
default.get_inventory_drops(pos, "coolant", drops)
default.get_inventory_drops(pos, "bucket_in", drops)
default.get_inventory_drops(pos, "bucket_out", drops)
drops[#drops+1] = "metal_melter:metal_caster"
minetest.remove_node(pos)
return drops
end,
allow_metadata_inventory_put = allow_metadata_inventory_put,
allow_metadata_inventory_move = allow_metadata_inventory_move,
allow_metadata_inventory_take = allow_metadata_inventory_take,
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tube = pipeworks,
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})
for i,v in pairs(metal_caster.casts) do
metal_caster.register_cast(i, v)
end