113 lines
2.6 KiB
Lua
113 lines
2.6 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019-2021 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Demo for a electrical power consuming node
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]]--
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-- for lazy programmers
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local P2S = minetest.pos_to_string
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local M = minetest.get_meta
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local S = techage.S
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local PWR_NEEDED = 5
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local CYCLE_TIME = 2
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local Cable = techage.ElectricCable
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--local Cable = techage.Axle
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local power = networks.power
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local function swap_node(pos, name)
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local node = techage.get_node_lvm(pos)
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if node.name == name then
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return
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end
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node.name = name
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minetest.swap_node(pos, node)
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end
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local function on_rightclick(pos, node, clicker)
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local nvm = techage.get_nvm(pos)
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if not nvm.running and power.power_available(pos, Cable) then
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nvm.running = true
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swap_node(pos, "techage:sink_on")
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M(pos):set_string("infotext", "on")
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minetest.get_node_timer(pos):start(CYCLE_TIME)
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else
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nvm.running = false
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swap_node(pos, "techage:sink")
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M(pos):set_string("infotext", "off")
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minetest.get_node_timer(pos):stop()
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end
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end
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local function after_place_node(pos)
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local nvm = techage.get_nvm(pos)
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M(pos):set_string("infotext", "off")
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Cable:after_place_node(pos)
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end
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local function after_dig_node(pos, oldnode)
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Cable:after_dig_node(pos)
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techage.del_mem(pos)
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end
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minetest.register_node("techage:sink", {
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description = "Sink",
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tiles = {'techage_electric_button.png^[colorize:#000000:50'},
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on_timer = function(pos, elapsed)
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local consumed = power.consume_power(pos, Cable, nil, PWR_NEEDED)
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if consumed == PWR_NEEDED then
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swap_node(pos, "techage:sink_on")
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M(pos):set_string("infotext", "on")
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end
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return true
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end,
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on_rightclick = on_rightclick,
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after_place_node = after_place_node,
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after_dig_node = after_dig_node,
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paramtype = "light",
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light_source = 0,
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paramtype2 = "facedir",
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groups = {choppy = 2, cracky = 2, crumbly = 2},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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minetest.register_node("techage:sink_on", {
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description = "Sink",
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tiles = {'techage_electric_button.png'},
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on_timer = function(pos, elapsed)
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local consumed = power.consume_power(pos, Cable, nil, PWR_NEEDED)
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if consumed < PWR_NEEDED then
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swap_node(pos, "techage:sink")
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M(pos):set_string("infotext", "off")
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end
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return true
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end,
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on_rightclick = on_rightclick,
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after_place_node = after_place_node,
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after_dig_node = after_dig_node,
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paramtype = "light",
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light_source = minetest.LIGHT_MAX,
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paramtype2 = "facedir",
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diggable = false,
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drop = "",
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groups = {not_in_creative_inventory = 1},
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is_ground_content = false,
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sounds = default.node_sound_wood_defaults(),
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})
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power.register_nodes({"techage:sink", "techage:sink_on"}, Cable, "con")
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