--[[ TechAge ======= Copyright (C) 2019 Joachim Stolberg LGPLv2.1+ See LICENSE.txt for more information TA2 Steam Engine Flywheel ]]-- -- for lazy programmers local P = minetest.string_to_pos local M = minetest.get_meta local S = techage.S local STANDBY_TICKS = 4 local COUNTDOWN_TICKS = 4 local CYCLE_TIME = 2 local PWR_CAPA = 25 local Axle = techage.Axle local provide_power = techage.power.provide_power local power_switched = techage.power.power_switched local power_distribution = techage.power.power_distribution local function formspec(self, pos, mem) return "size[8,7]".. default.gui_bg.. default.gui_bg_img.. default.gui_slots.. "image[6,0.5;1,2;"..techage.power.formspec_power_bar(PWR_CAPA, mem.provided).."]".. "image_button[5,1;1,1;".. self:get_state_button_image(mem) ..";state_button;]".. "button[2,1.5;2,1;update;"..S("Update").."]".. "list[current_player;main;0,3;8,4;]".. default.get_hotbar_bg(0, 3) end local function can_start(pos, mem, state) return (mem.firebox_trigger or 0) > 0 -- by means of firebox end local function start_node(pos, mem, state) mem.generating = true -- needed for power distribution techage.switch_axles(pos, true) minetest.get_node_timer(pos):start(CYCLE_TIME) mem.handle = minetest.sound_play("techage_steamengine", { pos = pos, gain = 0.5, max_hear_distance = 10}) power_switched(pos) end local function stop_node(pos, mem, state) mem.generating = false techage.switch_axles(pos, false) minetest.get_node_timer(pos):stop() if mem.handle then minetest.sound_stop(mem.handle) mem.handle = nil end power_switched(pos) mem.provided = 0 end local State = techage.NodeStates:new({ node_name_passive = "techage:flywheel", node_name_active = "techage:flywheel_on", cycle_time = CYCLE_TIME, standby_ticks = STANDBY_TICKS, formspec_func = formspec, can_start = can_start, start_node = start_node, stop_node = stop_node, }) local function on_power(pos) local mem = tubelib2.get_mem(pos) if mem.generating then mem.provided = provide_power(pos, PWR_CAPA) else mem.provided = 0 end mem.master_trigger = 2 end local function node_timer(pos, elapsed) local mem = tubelib2.get_mem(pos) if mem.generating then mem.firebox_trigger = (mem.firebox_trigger or 0) - 1 mem.master_trigger = (mem.master_trigger or 0) - 1 if mem.firebox_trigger <= 0 then power_switched(pos) State:nopower(pos, mem) mem.generating = 0 mem.provided = 0 techage.transfer(pos, "L", "stop", nil, nil, {"techage:cylinder_on"}) else power_distribution(pos) State:keep_running(pos, mem, COUNTDOWN_TICKS) mem.handle = minetest.sound_play("techage_steamengine", { pos = pos, gain = 0.5, max_hear_distance = 10}) if mem.master_trigger <= 0 then power_switched(pos) end end end return State:is_active(mem) end local function on_receive_fields(pos, formname, fields, player) if minetest.is_protected(pos, player:get_player_name()) then return end local mem = tubelib2.get_mem(pos) State:state_button_event(pos, mem, fields) if fields.update then M(pos):set_string("formspec", formspec(State, pos, mem)) end end local function on_rightclick(pos) local mem = tubelib2.get_mem(pos) M(pos):set_string("formspec", formspec(State, pos, mem)) if mem.generating then minetest.get_node_timer(pos):start(CYCLE_TIME) end end minetest.register_node("techage:flywheel", { description = S("TA2 Flywheel"), tiles = { -- up, down, right, left, back, front "techage_filling_ta2.png^techage_frame_ta2.png", "techage_filling_ta2.png^techage_frame_ta2.png", "techage_filling_ta2.png^techage_axle_clutch.png^techage_frame_ta2.png", "techage_filling_ta2.png^techage_appl_open.png^techage_frame_ta2.png", "techage_filling_ta2.png^techage_frame_ta2.png^techage_flywheel.png", "techage_filling_ta2.png^techage_frame_ta2.png^techage_flywheel.png^[transformFX]", }, on_construct = tubelib2.init_mem, after_place_node = function(pos, placer) local mem = tubelib2.get_mem(pos) State:node_init(pos, mem, "") on_rightclick(pos) end, on_receive_fields = on_receive_fields, on_rightclick = on_rightclick, on_timer = node_timer, paramtype2 = "facedir", groups = {cracky=2, crumbly=2, choppy=2}, on_rotate = screwdriver.disallow, is_ground_content = false, sounds = default.node_sound_wood_defaults(), }) minetest.register_node("techage:flywheel_on", { description = S("TA2 Flywheel"), tiles = { -- up, down, right, left, back, front "techage_filling_ta2.png^techage_frame_ta2.png", "techage_filling_ta2.png^techage_frame_ta2.png", { image = "techage_filling4_ta2.png^techage_axle_clutch4.png^techage_frame4_ta2.png", backface_culling = false, animation = { type = "vertical_frames", aspect_w = 32, aspect_h = 32, length = 0.6, }, }, "techage_filling_ta2.png^techage_appl_open.png^techage_frame_ta2.png", { image = "techage_filling8_ta2.png^techage_frame8_ta2.png^techage_flywheel8.png", backface_culling = false, animation = { type = "vertical_frames", aspect_w = 32, aspect_h = 32, length = 1.2, }, }, { image = "techage_filling8_ta2.png^techage_frame8_ta2.png^techage_flywheel8.png^[transformFX]", backface_culling = false, animation = { type = "vertical_frames", aspect_w = 32, aspect_h = 32, length = 1.2, }, }, }, on_receive_fields = on_receive_fields, on_rightclick = on_rightclick, on_timer = node_timer, drop = "", paramtype2 = "facedir", groups = {not_in_creative_inventory=1}, diggable = false, on_rotate = screwdriver.disallow, is_ground_content = false, sounds = default.node_sound_wood_defaults(), }) techage.power.register_node({"techage:flywheel", "techage:flywheel_on"}, { conn_sides = {"R"}, power_network = Axle, on_power = on_power, }) techage.register_node({"techage:flywheel", "techage:flywheel_on"}, { on_transfer = function(pos, in_dir, topic, payload) local mem = tubelib2.get_mem(pos) if topic == "trigger" then mem.firebox_trigger = 3 if mem.generating then return math.max((mem.provided or PWR_CAPA) / PWR_CAPA, 0.1) else return 0 end end end }) minetest.register_craft({ output = "techage:flywheel", recipe = { {"basic_materials:steel_bar", "dye:red", "default:wood"}, {"", "basic_materials:gear_steel", "techage:axle"}, {"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"}, }, }) techage.register_entry_page("ta2", "flywheel", S("TA2 Flywheel"), S("Part of the steam engine. Has to be placed side by side with the TA2 Cylinder.@n".. "Used to turn on/off the steam engine. Connect the Flywheel with your TA2 machines ".. "by means of Axles and Gearboxes.@n".. "(see Steam Engine)"), "techage:flywheel")