mirror of
https://github.com/minetest-mods/mesecons.git
synced 2024-11-11 20:50:38 +01:00
320 lines
9.2 KiB
Lua
320 lines
9.2 KiB
Lua
-- mesecons_scanner
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local digilines_enabled = minetest.get_modpath("digilines") ~= nil
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local scanner_get_output_rules = function(node)
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local rules = {{x = 0, y = 0, z = 1}}
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for i = 0, node.param2 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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local scanner_get_input_rules = function(node)
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local rules = {{x = 0, y = 0, z = -1}}
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for i = 0, node.param2 do
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rules = mesecon.rotate_rules_left(rules)
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end
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return rules
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end
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local function rotated_facedir(node)
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local rules = scanner_get_input_rules(node)
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local dir = rules[1]
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return dir
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end
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local function update_keys(pos, node)
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local meta = minetest.get_meta(pos)
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local dir = rotated_facedir(node)
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local target = { x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z }
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local invs = minetest.get_meta(target):get_inventory():get_lists()
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local keys = {}
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for k,v in pairs(invs) do
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keys[#keys + 1] = k
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if k == meta:get_string("selected_inv") then
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meta:set_string("selected_key", #keys)
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end
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end
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meta:set_string("keys", table.concat(keys, ","))
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end
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local function update_formspec(pos, meta)
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if digilines_enabled then
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meta:set_string("formspec", "size[6,8]"..
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((default and default.gui_bg) or "")..
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((default and default.gui_bg_img) or "")..
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"label[0,0;Inventory Scanner]"..
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"label[5,0;(?)]"..
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"tooltip[5,0;1,1;Watermark values are in percent of slots occupied with one or more items.;black;white]"..
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"label[0,1;Select inventory]"..
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"dropdown[3,1;3,1;inventory;" .. meta:get_string("keys") .. ";" .. meta:get_string("selected_key") .. "]"..
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"label[0,2;Low watermark]"..
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"field[4,2;2,1;low;;" .. meta:get_int("low_pct") .. "]"..
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"label[0,3;High watermark]"..
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"field[4,3;2,1;high;;" .. meta:get_int("high_pct") .. "]"..
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"label[0,4;Presets]"..
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"button[0,4.5;2,1;empty;Empty]"..
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"button[2,4.5;2,1;has_items;Has items]"..
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"button[4,4.5;2,1;full;Full]"..
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"label[0,6;Digiline Channel]"..
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"field[4,6;2,1;channel;;" .. meta:get_string("channel") .. "]"..
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"checkbox[0,7;invert;Invert output;".. meta:get_string("invert") .."]"..
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"button_exit[4,7;2,1;save;Save]"..
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""
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)
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else
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meta:set_string("formspec", "size[6,7]"..
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((default and default.gui_bg) or "")..
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((default and default.gui_bg_img) or "")..
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"label[0,0;Inventory Scanner]"..
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"label[5,0;(?)]"..
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"tooltip[5,0;1,1;Watermark values are in percent of slots occupied with one or more items.;black;white]"..
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"label[0,1;Select inventory]"..
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"dropdown[3,1;3,1;inventory;" .. meta:get_string("keys") .. ";" .. meta:get_string("selected_key") .. "]"..
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"label[0,2;Low watermark]"..
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"field[4,2;2,1;low;;" .. meta:get_int("low_pct") .. "]"..
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"label[0,3;High watermark]"..
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"field[4,3;2,1;high;;" .. meta:get_int("high_pct") .. "]"..
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"label[0,4;Presets]"..
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"button[0,4.5;2,1;empty;Empty]"..
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"button[2,4.5;2,1;has_items;Has items]"..
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"button[4,4.5;2,1;full;Full]"..
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"checkbox[0,6;invert;Invert output;".. meta:get_string("invert") .."]"..
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"button_exit[4,6;2,1;save;Save]"..
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""
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)
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end
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end
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-- Convert input percent to actual inventory slot counts and cache the values
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local function update_watermarks(pos, meta)
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local node = minetest.get_node(pos)
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local dir = rotated_facedir(node)
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local i_pos = { x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z }
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local i_meta = minetest.get_meta(i_pos)
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local i_name = meta:get_string("selected_inv")
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local i_inv = i_meta:get_inventory()
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local i_size = i_inv:get_size(i_name)
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local low_pct = meta:get_int("low_pct")
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local high_pct = meta:get_int("high_pct")
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local low = math.ceil(i_size * (low_pct / 100.0))
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local high = math.floor(i_size * (high_pct / 100.0))
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meta:set_int("low", low)
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meta:set_int("high", high)
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end
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local function on_receive_fields(pos, form_name, fields, sender)
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local meta = minetest.get_meta(pos)
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if fields.inventory then
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meta:set_string("selected_inv", fields.inventory)
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end
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if fields.channel then
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meta:set_string("channel", fields.channel)
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end
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if fields.low then
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meta:set_int("low_pct", fields.low)
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end
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if fields.high then
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meta:set_int("high_pct", fields.high)
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end
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if fields.invert then
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meta:set_string("invert", fields.invert)
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end
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-- Buttons
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if fields.empty then
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meta:set_int("low_pct", 0)
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meta:set_int("high_pct", 0)
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meta:set_string("invert", "false")
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elseif fields.has_items then
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meta:set_int("low_pct", 1)
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meta:set_int("high_pct", 100)
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meta:set_string("invert", "false")
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elseif fields.full then
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meta:set_int("low_pct", 100)
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meta:set_int("high_pct", 100)
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meta:set_string("invert", "false")
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end
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update_formspec(pos, meta)
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update_watermarks(pos, meta)
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end
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local function set_receptor(pos, output, rules)
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if output then
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mesecon.receptor_on(pos, rules)
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else
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mesecon.receptor_off(pos, rules)
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end
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end
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local boxes = {
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{ -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }, -- the bottom slab
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{ -7/16, -7/16, -4/16, 4/16, -4/16, 4/16 }, -- the "box"
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{ -8/16, -7/16, -5/16, -7/16, -3/16, 5/16 }, -- the back plate in YZ plane
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}
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mesecon.register_node("mesecons_scanner:mesecon_scanner", {
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paramtype2="facedir",
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description = "Inventory scanner",
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is_ground_content = false,
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sunlight_propagates = true,
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inventory_image = "mesecons_scanner_preview.png",
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drawtype = "nodebox",
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wield_image = "mesecons_scanner_preview.png",
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selection_box = {
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type = "fixed",
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fixed = {
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{ -8/16, -8/16, -8/16, 8/16, -3/16, 8/16 },
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}
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},
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node_box = {
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type = "fixed",
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fixed = boxes
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},
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after_dig_node = function (pos, node)
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mesecon.do_cooldown(pos)
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mesecon.receptor_off(pos, output_rules)
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end,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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meta:set_string("selected_inv", "main")
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-- Default behavior is output signal on "has items"
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meta:set_int("low_pct", 1)
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meta:set_int("high_pct", 100)
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meta:set_string("invert", "false")
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meta:set_string("output", "off")
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meta:set_string("channel", "channel")
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update_keys(pos, node)
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update_watermarks(pos, meta)
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update_formspec(pos, meta)
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minetest.get_node_timer(pos):start(1)
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end,
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on_receive_fields = on_receive_fields,
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on_rightclick = function(pos, node, player, itemstack, pointed_thing)
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local meta = minetest.get_meta(pos)
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-- Update in case the node behind the scanner has changed
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update_keys(pos, node)
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update_formspec(pos, meta)
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end,
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on_timer = function (pos, elapsed)
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local meta = minetest.get_meta(pos)
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local node = minetest.get_node(pos)
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local dir = rotated_facedir(node)
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local invert = meta:get_string("invert") == "true"
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local old_output = meta:get_string("output") == "on"
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-- Get watermark values in converted from percent to # slots
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local low = meta:get_int("low")
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local high = meta:get_int("high")
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-- Get the inventory of the node behind our scanner
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local i_pos = { x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z }
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local i_meta = minetest.get_meta(i_pos)
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local i_inv = i_meta:get_inventory()
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local output = false
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local i_name = meta:get_string("selected_inv")
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local i_size = i_inv:get_size(i_name)
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if i_size > 0 then
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-- Get number of slots with items in them
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local count = 0
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for i = 1, i_size do
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if not i_inv:get_stack(i_name, i):is_empty() then count = count + 1 end
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end
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-- Calculate our output
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output = (count >= low and count <= high)
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if invert then
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output = not output
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end
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end
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-- Update if there's a change
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if old_output ~= output then
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local output_string = (output and "on") or "off"
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-- Save the new state
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meta:set_string("output", output_string)
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-- Update node
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set_receptor(pos, output, {scanner_get_output_rules(node)})
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mesecon.setstate(pos, node, output_string)
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-- Send digiline message
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if digilines_enabled then
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digilines.receptor_send(pos, digilines.rules.default,
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meta:get_string("channel"),
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{ output = output_string }
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)
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end
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end
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return true
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end,
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digiline = {
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receptor = {action = function() end},
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effector = {
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action = function(pos, node, channel, msg)
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if msg ~= "GET" and msg ~= "get" then
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return
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end
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local meta = minetest.get_meta(pos)
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if channel ~= meta:get_string("channel") then
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return
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end
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digilines.receptor_send(pos, digilines.rules.default, channel, {
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output = meta:get_string("output"),
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})
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end
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},
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},
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},{
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groups = { dig_immediate=2 },
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tiles = {
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-- top
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"mesecons_scanner_top_off.png",
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-- bottom
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"mesecons_scanner_bottom.png",
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-- side 1 (since we are rotated names don't match)
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"mesecons_scanner_front_off.png",
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-- side 2
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"mesecons_scanner_back.png",
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-- front
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"mesecons_scanner_right_off.png",
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-- back
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"mesecons_scanner_left_off.png",
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},
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mesecons = { receptor = { state = mesecon.state.off } }
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},{
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groups = { dig_immediate=2, not_in_creative_inventory=1 },
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tiles = {
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"mesecons_scanner_top_on.png",
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"mesecons_scanner_bottom.png",
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"mesecons_scanner_front_on.png",
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"mesecons_scanner_back.png",
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"mesecons_scanner_right_on.png",
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"mesecons_scanner_left_on.png",
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},
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mesecons = { receptor = { state = mesecon.state.off } }
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})
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minetest.register_craft({
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output = "mesecons_scanner:mesecon_scanner_off 1",
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recipe = {
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{"", "group:mesecon_conductor_craftable", ""},
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{"", "mesecons_microcontroller:microcontroller0000", ""},
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{"default:stone", "default:stone", "default:stone"},
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}
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})
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