elepower/elepower_mining/miner.lua

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local structures = {}
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local ores = {}
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local TIMER = 10
local function determine_structure(controller, player)
local below1 = vector.add(controller, {x=0,y=-1,z=0})
local below2 = vector.add(below1, {x=0,y=-1,z=0})
local miners = 0
local nodes = {}
local cpos = minetest.pos_to_string(controller)
if ele.helpers.node_compare(below1, "elepower_mining:miner_core") and
ele.helpers.node_compare(below2, "elepower_mining:miner_drill") then
table.insert(nodes, below1)
table.insert(nodes, below2)
miners = 1
end
if miners == 0 then
if structures[cpos] then
structures[cpos] = nil
end
return false
end
for x = -1, 1 do
for z = -1, 1 do
if not (x == 0 and z == 0) then
local duct = vector.add(controller, {x=x,y=-1,z=z})
local appr = vector.add(duct, {x=0,y=-1,z=0})
if ele.helpers.node_compare(appr, "elepower_mining:miner_drill") and
ele.helpers.node_compare(duct, "group:fluid_transport") then
table.insert(nodes, duct)
table.insert(nodes, appr)
miners = miners + 1
end
end
end
end
structures[cpos] = {
miners = miners,
nodes = nodes
}
if player then
minetest.chat_send_player(player, string.format("Miner structure complete (detected %d drills)!", miners))
end
local t = minetest.get_node_timer(controller)
if not t:is_started() then
t:start(1.0)
end
return true, miners, nodes
end
local function random_ore()
for ore, probability in pairs(ores) do
if math.random(probability) == 1 then
return ore
end
end
end
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local function get_mining_results(drills)
local results = {}
local amount = math.random(0, drills)
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-- Run mining operations
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for i = 0, amount do
local picked
-- Run three tries trying to find a random ore
for j = 0, 3 do
picked = random_ore()
if picked then
break
end
end
-- If a random ore was found, add it to results
if picked then
local count = math.random(1, 3)
local stack = ItemStack(picked)
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stack:set_count(count)
table.insert(results, stack)
end
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end
return results
end
local function get_formspec(timer, power, buffer, state)
if not timer then
timer = 0
end
return "size[8,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
ele.formspec.power_meter(power)..
ele.formspec.state_switcher(0, 0, state)..
ele.formspec.fluid_bar(7, 0, buffer)..
ele.formspec.create_bar(1, 0, 100 - timer, "#00ff11", true)..
"list[context;dst;1.5,0;5,3;]"..
"list[current_player;main;0,4.25;8,1;]"..
"list[current_player;main;0,5.5;8,3;8]"..
"listring[current_player;main]"..
"listring[context;dst]"..
"listring[current_player;main]"..
default.get_hotbar_bg(0, 4.25)
end
local function on_timer(pos, elapsed)
local refresh = false
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
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local buffer = fluid_lib.get_buffer_data(pos, "water")
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local state = meta:get_int("state")
local work = meta:get_int("work")
local is_enabled = ele.helpers.state_enabled(meta, pos, state)
local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
local usage = ele.helpers.get_node_property(meta, pos, "usage")
local storage = ele.helpers.get_node_property(meta, pos, "storage")
local pow_buffer = {capacity = capacity, storage = storage, usage = 0}
local active = "with Invalid structure - Punch to redetect"
local miners = 0
local pts = minetest.pos_to_string(pos)
while true do
if not structures[pts] then break end
active = "Idle"
miners = structures[pts].miners
usage = usage * miners
if storage < usage then
active = "Out of Power!"
break
end
active = string.format("Mining with %d miners", miners)
pow_buffer.usage = usage
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local coolant = 500 * miners
if buffer.amount < coolant then
active = "Out of Water!"
break
end
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if work < TIMER then
work = work + 1
pow_buffer.storage = pow_buffer.storage - usage
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buffer.amount = buffer.amount - coolant
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break
end
-- Get some lumps
local added = 0
local itms = get_mining_results(miners)
for _,stack in pairs(itms) do
if inv:room_for_item("dst", stack) then
inv:add_item("dst", stack)
added = added + 1
end
end
if added == 0 then
active = "Inventory full!"
refresh = false
break
end
pow_buffer.storage = pow_buffer.storage - usage
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buffer.amount = buffer.amount - coolant
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work = 0
refresh = true
break
end
local wp = math.floor(work / TIMER * 100)
meta:set_string("infotext", ("Miner %s\n%s"):format(active,
ele.capacity_text(capacity, storage)))
meta:set_string("formspec", get_formspec(wp, pow_buffer, buffer, state))
meta:set_int("storage", pow_buffer.storage)
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meta:set_int("water_fluid_storage", buffer.amount)
meta:set_string("water_fluid", "default:water_source")
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meta:set_int("work", work)
return refresh
end
local function recalc_on_break(pos)
for core,data in pairs(structures) do
local cp = minetest.string_to_pos(core)
local match = false
for _,ipos in pairs(data.nodes) do
if vector.equals(pos, ipos) then
match = true
determine_structure(cp)
break
end
end
if match then break end
end
end
ele.register_machine("elepower_mining:miner_controller", {
description = "Miner Controller\nMachine Component",
tiles = {
"elepower_machine_top.png^elepower_power_port.png", "elepower_machine_base.png^elepower_power_port.png",
"elepower_machine_side.png^elepower_power_port.png",
"elepower_machine_side.png^elepower_power_port.png", "elepower_machine_side.png^elepower_power_port.png",
"elepower_machine_side.png^elenuclear_fusion_controller.png",
},
fluid_buffers = {
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water = {
capacity = 16000,
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accepts = {"default:water_source"},
drainable = false,
},
},
ele_capacity = 320000,
ele_inrush = 1200,
ele_usage = 128,
paramtype2 = "facedir",
groups = {fluid_container = 1, oddly_breakable_by_hand = 1, cracky = 1, tube = 1, ele_user = 1},
on_construct = function (pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("dst", 5*3)
meta:set_string("formspec", get_formspec())
end,
on_timer = on_timer,
on_punch = function (pos, node, puncher, pointed_thing)
determine_structure(pos, puncher:get_player_name())
minetest.node_punch(pos, node, puncher, pointed_thing)
end,
})
minetest.register_node("elepower_mining:miner_core", {
description = "Miner Core\nMachine Component",
tiles = {
"elepower_mining_core.png^elepower_power_port.png", "elepower_mining_core.png^elepower_power_port.png",
"elepower_mining_core.png^elepower_power_port.png",
"elepower_mining_core.png^elepower_power_port.png", "elepower_mining_core.png^elepower_power_port.png",
"elepower_mining_core.png^elepower_power_port.png",
},
groups = {fluid_container = 1, oddly_breakable_by_hand = 1, cracky = 1},
after_dig_node = recalc_on_break,
})
minetest.register_node("elepower_mining:miner_drill", {
description = "Miner Drill\nMachine Component",
tiles = {
"elepower_machine_top.png^elepower_power_port.png", "elepower_mining_apparatus_base.png", "elepower_mining_apparatus_side.png",
"elepower_mining_apparatus_side.png", "elepower_mining_apparatus_side.png", "elepower_mining_apparatus_side.png",
},
groups = {fluid_container = 1, oddly_breakable_by_hand = 1, cracky = 1},
after_dig_node = recalc_on_break,
})
minetest.register_lbm({
label = "Enable Miners on load",
name = "elepower_mining:load_miner_controllers",
nodenames = {"elepower_mining:miner_controller"},
run_at_every_load = true,
action = function (pos)
determine_structure(pos)
end,
})
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-- The following code is borrowed from the gravelsieve mod by Joachim Stolberg, licensed under LGPLv2.1+
-- https://github.com/joe7575/techpack/blob/master/gravelsieve/
local PROBABILITY_FACTOR = 3
local ore_rarity = 1.16
local ore_max_elevation = 0
local ore_min_elevation = -30912
local y_spread = math.max(1 + ore_max_elevation - ore_min_elevation, 1)
local function harmonic_sum(a, b)
return 1 / ((1 / a) + (1 / b))
end
local function calculate_probability(item)
local ymax = math.min(item.y_max, ore_max_elevation)
local ymin = math.max(item.y_min, ore_min_elevation)
return (ore_rarity / PROBABILITY_FACTOR) *
item.clust_scarcity / (item.clust_num_ores * ((ymax - ymin) / y_spread))
end
local function add_ores()
for _,item in pairs(minetest.registered_ores) do
if minetest.registered_nodes[item.ore] then
local drop = minetest.registered_nodes[item.ore].drop
if type(drop) == "string"
and drop ~= item.ore
and drop ~= ""
and item.ore_type == "scatter"
and item.wherein == "default:stone"
and item.clust_scarcity ~= nil and item.clust_scarcity > 0
and item.clust_num_ores ~= nil and item.clust_num_ores > 0
and item.y_max ~= nil and item.y_min ~= nil then
local probability = calculate_probability(item)
if probability > 0 then
local cur_probability = ores[drop]
if cur_probability then
ores[drop] = harmonic_sum(cur_probability, probability)
else
ores[drop] = probability
end
end
end
end
end
local overall_probability = 0.0
for name,probability in pairs(ores) do
minetest.log("info", ("[elepower_mining] %-32s %.02f"):format(name, probability))
overall_probability = overall_probability + 1.0/probability
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end
minetest.log("info", ("[elepower_mining] Overall probability %f"):format(overall_probability))
end
minetest.after(1, add_ores)