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local S = technic.getter
local tube_entry = "^pipeworks_tube_connection_metallic.png"
local cable_entry = "^technic_cable_connection_overlay.png"
minetest.register_craft({
recipe = {
{"technic:carbon_plate", "pipeworks:filter", "technic:composite_plate"},
{"basic_materials:motor", "technic:machine_casing", "technic:diamond_drill_head"},
{"technic:carbon_steel_block", "technic:hv_cable", "technic:carbon_steel_block"}},
output = "technic:quarry",
})
local quarry_dig_above_nodes = 3 -- How far above the quarry we will dig nodes
local quarry_max_depth = 100
local quarry_demand = 10000
local quarry_eject_dir = vector.new(0, 1, 0)
local function set_quarry_formspec(meta)
local radius = meta:get_int("size")
local formspec = "size[6,4.3]"..
"list[context;cache;0,1;4,3;]"..
"item_image[4.8,0;1,1;technic:quarry]"..
"label[0,0.2;"..S("%s Quarry"):format("HV").."]"..
"field[4.3,3.5;2,1;size;"..S("Radius:")..";"..radius.."]"
if meta:get_int("enabled") == 0 then
formspec = formspec.."button[4,1;2,1;enable;"..S("Disabled").."]"
else
formspec = formspec.."button[4,1;2,1;disable;"..S("Enabled").."]"
end
local diameter = radius*2 + 1
local nd = meta:get_int("dug")
local rel_y = quarry_dig_above_nodes - math.floor(nd / (diameter*diameter))
formspec = formspec.."label[0,4;"..minetest.formspec_escape(
nd == 0 and S("Digging not started") or
(rel_y < -quarry_max_depth and S("Digging finished") or
(meta:get_int("purge_on") == 1 and S("Purging cache") or
S("Digging %d m "..(rel_y > 0 and "above" or "below").." machine")
:format(math.abs(rel_y))))
).."]"
formspec = formspec.."button[4,2;2,1;restart;"..S("Restart").."]"
meta:set_string("formspec", formspec)
end
local function set_quarry_demand(meta)
local radius = meta:get_int("size")
local diameter = radius*2 + 1
local machine_name = S("%s Quarry"):format("HV")
if meta:get_int("enabled") == 0 or meta:get_int("purge_on") == 1 then
meta:set_string("infotext", S(meta:get_int("purge_on") == 1 and "%s purging cache" or "%s Disabled"):format(machine_name))
meta:set_int("HV_EU_demand", 0)
elseif meta:get_int("dug") == diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) then
meta:set_string("infotext", S("%s Finished"):format(machine_name))
meta:set_int("HV_EU_demand", 0)
else
meta:set_string("infotext", S(meta:get_int("HV_EU_input") >= quarry_demand and "%s Active" or "%s Unpowered"):format(machine_name))
meta:set_int("HV_EU_demand", quarry_demand)
end
end
local function quarry_receive_fields(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
if fields.size and string.find(fields.size, "^[0-9]+$") then
local size = tonumber(fields.size)
if size >= 2 and size <= 8 and size ~= meta:get_int("size") then
meta:set_int("size", size)
meta:set_int("dug", 0)
end
end
if fields.enable then meta:set_int("enabled", 1) end
if fields.disable then meta:set_int("enabled", 0) end
if fields.restart then
meta:set_int("dug", 0)
meta:set_int("purge_on", 1)
end
set_quarry_formspec(meta)
set_quarry_demand(meta)
end
local function quarry_handle_purge(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local i = 0
for _,stack in ipairs(inv:get_list("cache")) do
i = i + 1
if stack then
local item = stack:to_table()
if item then
technic.tube_inject_item(pos, pos, quarry_eject_dir, item)
stack:clear()
inv:set_stack("cache", i, stack)
break
end
end
end
if inv:is_empty("cache") then
meta:set_int("purge_on", 0)
end
end
local function quarry_run(pos, node)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
-- initialize cache for the case we load an older world
inv:set_size("cache", 12)
-- toss a coin whether we do an automatic purge. Chance 1:200
local purge_rand = math.random()
if purge_rand <= 0.005 then
meta:set_int("purge_on", 1)
end
if meta:get_int("enabled") and meta:get_int("HV_EU_input") >= quarry_demand and meta:get_int("purge_on") == 0 then
local pdir = minetest.facedir_to_dir(node.param2)
if pdir.y ~= 0 then
-- faces up or down, not valid, otherwise depth-check would run endless and hang up the server
return
end
local qdir = pdir.x == 1 and vector.new(0,0,-1) or
(pdir.z == -1 and vector.new(-1,0,0) or
(pdir.x == -1 and vector.new(0,0,1) or
vector.new(1,0,0)))
local radius = meta:get_int("size")
local diameter = radius*2 + 1
local startpos = vector.add(vector.add(vector.add(pos,
vector.new(0, quarry_dig_above_nodes, 0)),
pdir),
vector.multiply(qdir, -radius))
local owner = meta:get_string("owner")
local nd = meta:get_int("dug")
while nd < diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) do
local ry = math.floor(nd / (diameter*diameter))
local ndl = nd % (diameter*diameter)
if ry % 2 == 1 then
ndl = diameter*diameter - 1 - ndl
end
local rq = math.floor(ndl / diameter)
local rp = ndl % diameter
if rq % 2 == 1 then rp = diameter - 1 - rp end
local digpos = vector.add(vector.add(vector.add(startpos,
vector.new(0, -ry, 0)),
vector.multiply(pdir, rp)),
vector.multiply(qdir, rq))
local can_dig = true
if can_dig and minetest.is_protected and minetest.is_protected(digpos, owner) then
can_dig = false
end
local dignode
if can_dig then
dignode = technic.get_or_load_node(digpos) or minetest.get_node(digpos)
local dignodedef = minetest.registered_nodes[dignode.name] or {diggable=false}
-- doors mod among other thing does NOT like a nil digger...
local fakedigger = pipeworks.create_fake_player({
name = owner
})
if not dignodedef.diggable or (dignodedef.can_dig and not dignodedef.can_dig(digpos, fakedigger)) then
can_dig = false
end
end
if can_dig then
for ay = startpos.y, digpos.y+1, -1 do
local checkpos = {x=digpos.x, y=ay, z=digpos.z}
local checknode = technic.get_or_load_node(checkpos) or minetest.get_node(checkpos)
if checknode.name ~= "air" then
can_dig = false
break
end
end
end
nd = nd + 1
if can_dig then
minetest.remove_node(digpos)
local drops = minetest.get_node_drops(dignode.name, "")
for _, dropped_item in ipairs(drops) do
local left = inv:add_item("cache", dropped_item)
while not left:is_empty() do
meta:set_int("purge_on", 1)
quarry_handle_purge(pos)
left = inv:add_item("cache", left)
end
end
break
end
end
if nd == diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) then
-- if a quarry is finished, we enable purge mode
meta:set_int("purge_on", 1)
end
meta:set_int("dug", nd)
else
-- if a quarry is disabled or has no power, we enable purge mode
meta:set_int("purge_on", 1)
end
-- if something triggered a purge, we handle it
if meta:get_int("purge_on") == 1 then
quarry_handle_purge(pos)
end
set_quarry_formspec(meta)
set_quarry_demand(meta)
end
local function send_move_error(player)
minetest.chat_send_player(player:get_player_name(),
S("Manually taking/removing from cache by hand is not possible. "..
"If you can't wait, restart or disable the quarry to start automatic purge."))
return 0
end
minetest.register_node("technic:quarry", {
description = S("%s Quarry"):format("HV"),
tiles = {
"technic_carbon_steel_block.png"..tube_entry,
"technic_carbon_steel_block.png"..cable_entry,
"technic_carbon_steel_block.png"..cable_entry,
"technic_carbon_steel_block.png"..cable_entry,
"technic_carbon_steel_block.png^default_tool_mesepick.png",
"technic_carbon_steel_block.png"..cable_entry
},
paramtype2 = "facedir",
groups = {cracky=2, tubedevice=1, technic_machine=1, technic_hv=1},
connect_sides = {"bottom", "front", "left", "right"},
tube = {
connect_sides = {top = 1},
-- lower priority than other tubes, so that quarries will prefer any
-- other tube to another quarry, which could lead to server freezes
-- in certain quarry placements (2x2 for example would never eject)
priority = 10,
can_go = function(pos, node, velocity, stack)
-- always eject the same, even if items came in another way
-- this further mitigates loops and generally avoids random sideway movement
-- that can be expected in certain quarry placements
return { quarry_eject_dir }
end
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
meta:set_string("infotext", S("%s Quarry"):format("HV"))
meta:set_int("size", 4)
set_quarry_formspec(meta)
set_quarry_demand(meta)
end,
after_place_node = function(pos, placer, itemstack)
local meta = minetest.get_meta(pos)
meta:set_string("owner", placer:get_player_name())
pipeworks.scan_for_tube_objects(pos)
end,
can_dig = function(pos,player)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
return inv:is_empty("cache")
end,
after_dig_node = pipeworks.scan_for_tube_objects,
on_receive_fields = quarry_receive_fields,
technic_run = quarry_run,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
return send_move_error(player)
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
return send_move_error(player)
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
return send_move_error(player)
end
})
technic.register_machine("HV", "technic:quarry", technic.receiver)
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