elepower/elepower_machines/machines/accumulator.lua

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-- see elepower_papi >> external_nodes_items.lua for explanation
-- shorten table ref
local epr = ele.external.ref
local CAPACITY = 8000
minetest.register_node("elepower_machines:accumulator", {
description = "Water Accumulator",
groups = {fluid_container = 1, oddly_breakable_by_hand = 1, cracky = 1},
tiles = {
"elepower_machine_top.png^elepower_power_port.png", "elepower_machine_base.png", "elepower_machine_side.png^elepower_machine_accumulator.png",
"elepower_machine_side.png^elepower_machine_accumulator.png", "elepower_machine_side.png^elepower_machine_accumulator.png",
"elepower_machine_side.png^elepower_machine_accumulator.png",
},
fluid_buffers = {
water = {
capacity = CAPACITY,
drainable = true,
}
},
on_construct = function ( pos )
local meta = minetest.get_meta(pos)
meta:set_string("water_fluid", epr.water_source)
end
})
minetest.register_node("elepower_machines:accumulator_heavy", {
description = "Water Accumulator (Heavy Water)",
groups = {fluid_container = 1, oddly_breakable_by_hand = 1, cracky = 1, not_in_creative_inventory = 1},
tiles = {
"elepower_machine_top.png^elepower_power_port.png", "elepower_machine_base.png", "elepower_machine_side.png^elepower_machine_accumulator.png",
"elepower_machine_side.png^elepower_machine_accumulator.png", "elepower_machine_side.png^elepower_machine_accumulator.png",
"elepower_machine_side.png^elepower_machine_accumulator.png",
},
drop = {
max_items = 2,
items = { { items = {"elepower_machines:accumulator", "elepower_machines:heavy_filter"}, rarity = 1 } }
},
fluid_buffers = {
water = {
capacity = CAPACITY,
drainable = true,
}
},
on_construct = function ( pos )
local meta = minetest.get_meta(pos)
meta:set_string("water_fluid", "elepower_nuclear:heavy_water_source")
end,
_heavy = true
})
minetest.register_abm({
nodenames = {"elepower_machines:accumulator", "elepower_machines:accumulator_heavy"},
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label = "elefluidAccumulator",
interval = 2,
chance = 1/5,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = minetest.get_meta(pos)
local buffer = fluid_lib.get_buffer_data(pos, "water")
if not buffer or buffer.amount == buffer.capacity then return end
local positions = {
{x=pos.x+1,y=pos.y,z=pos.z},
{x=pos.x-1,y=pos.y,z=pos.z},
{x=pos.x, y=pos.y,z=pos.z+1},
{x=pos.x, y=pos.y,z=pos.z-1},
}
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local amount = 0
for _,fpos in pairs(positions) do
local node = minetest.get_node(fpos)
if node.name == epr.water_source then
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amount = amount + 1000
end
end
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if amount == 0 then
meta:set_string("infotext", "Submerge me in water!")
return
end
local ndef = minetest.registered_nodes[node.name]
local src = epr.water_source
if ndef and ndef._heavy then
src = "elepower_nuclear:heavy_water_source"
if amount > 1000 then
amount = math.floor(amount / 8)
end
end
local give = 0
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if buffer.amount + amount > buffer.capacity then
give = buffer.capacity - buffer.amount
else
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give = amount
end
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buffer.amount = buffer.amount + give
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meta:set_int("water_fluid_storage", buffer.amount)
meta:set_string("water_fluid", src)
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meta:set_string("infotext", fluid_lib.buffer_to_string(buffer))
end
})
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fluid_lib.register_node("elepower_machines:accumulator")
fluid_lib.register_node("elepower_machines:accumulator_heavy")