126 lines
3.5 KiB
Lua
126 lines
3.5 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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TA4 Pipe Inlet
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]]--
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-- for lazy programmers
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local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local S2P = minetest.string_to_pos
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local D = techage.Debug
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local M = minetest.get_meta
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local S = techage.S
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local Pipe = techage.BiogasPipe
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minetest.register_node("techage:ta4_pipe_inlet", {
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description = S("TA4 Pipe Inlet"),
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tiles = {
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-- up, down, right, left, back, front
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"basic_materials_concrete_block.png",
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"basic_materials_concrete_block.png",
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"basic_materials_concrete_block.png",
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"basic_materials_concrete_block.png",
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"basic_materials_concrete_block.png^techage_tes_inlet.png",
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"basic_materials_concrete_block.png^techage_tes_inlet.png",
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},
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paramtype2 = "facedir", -- important!
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on_rotate = screwdriver.disallow, -- important!
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groups = {crumbly = 2, cracky = 2, snappy = 2},
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is_ground_content = false,
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sounds = default.node_sound_metal_defaults(),
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})
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-- for mechanical pipe connections
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techage.power.register_node({"techage:ta4_pipe_inlet"}, {
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conn_sides = {"F", "B"},
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power_network = Pipe,
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})
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local Numbers = {
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shell = {
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[2] = 96, -- 5x5x2 + 3x5x2 + 3x3x2 - 2
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[3] = 216, -- 7x7x2 + 5x7x2 + 5x5x2 - 2
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[4] = 384, -- 9x9x2 + 7x9x2 + 7x7x2 - 2
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},
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filling = {
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[2] = 27, -- 3x3x3
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[3] = 125, -- 5x5x5
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[4] = 343, -- 7x7x7
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}
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}
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local function chat(owner, text)
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if owner ~= nil then
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minetest.chat_send_player(owner, string.char(0x1b).."(c@#ff0000)".."[Techage] Error: "..text.."!")
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end
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end
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local function get_radius(pos, in_dir)
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local dir = tubelib2.Dir6dToVector[in_dir]
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local pos2 = vector.add(pos, vector.multiply(dir, 8))
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local poses = minetest.find_nodes_in_area(pos, pos2, {"techage:ta4_pipe_inlet"})
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if #poses == 2 then
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local radius = vector.distance(poses[1], poses[2]) / 2
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if radius == 2 or radius == 3 or radius == 4 then
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return radius
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end
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end
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end
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local function check_volume(pos, in_dir, owner)
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local radius = get_radius(pos, in_dir)
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if radius then
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local dir = tubelib2.Dir6dToVector[in_dir]
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local cpos = vector.add(pos, vector.multiply(dir, radius))
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-- calculate size
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local pos1 = {x = cpos.x - radius, y = cpos.y - radius, z = cpos.z - radius}
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local pos2 = {x = cpos.x + radius, y = cpos.y + radius, z = cpos.z + radius}
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local _, node_tbl = minetest.find_nodes_in_area(pos1, pos2,
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{"default:gravel", "techage:ta4_pipe_inlet",
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"basic_materials:concrete_block", "default:obsidian_glass",
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"techage:glow_gravel"})
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if node_tbl["default:obsidian_glass"] > 1 then
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chat(owner, "one window maximum")
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return false
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elseif node_tbl["default:obsidian_glass"] + node_tbl["basic_materials:concrete_block"] ~= Numbers.shell[radius] then
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chat(owner, "wrong numbers of shell nodes")
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return false
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elseif node_tbl["default:gravel"] + node_tbl["techage:glow_gravel"] ~= Numbers.filling[radius] then
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chat(owner, "wrong numbers of gravel nodes")
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return false
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end
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else
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chat(owner, "wrong diameter (should be 5, 7, or 9)")
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return false
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end
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return true
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end
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-- for logical communication
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techage.register_node({"techage:ta4_pipe_inlet"}, {
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on_transfer = function(pos, in_dir, topic, payload)
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if topic == "radius" then
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return get_radius(pos, in_dir)
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elseif topic == "volume" then
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return check_volume(pos, in_dir, payload)
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end
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return false
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end
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})
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minetest.register_craft({
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type = 'shapeless',
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output = "techage:ta4_pipe_inlet",
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recipe = {"basic_materials:concrete_block", "techage:ta4_pipeS"},
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})
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