techage/coal_power_station/generator.lua

229 lines
6.2 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019 Joachim Stolberg
GPL v3
See LICENSE.txt for more information
TA3 Power Station Generator
]]--
-- for lazy programmers
local M = minetest.get_meta
local S = techage.S
local STANDBY_TICKS = 4
local COUNTDOWN_TICKS = 4
local CYCLE_TIME = 2
local PWR_CAPA = 80
local Cable = techage.ElectricCable
local power = techage.power
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;"..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
power.generator_start(pos, mem, PWR_CAPA)
end
local function stop_node(pos, mem, state)
mem.generating = false
power.generator_stop(pos, mem)
mem.provided = 0
end
local State = techage.NodeStates:new({
node_name_passive = "techage:generator",
node_name_active = "techage:generator_on",
cycle_time = CYCLE_TIME,
standby_ticks = STANDBY_TICKS,
formspec_func = formspec,
infotext_name = S("TA3 Generator"),
can_start = can_start,
start_node = start_node,
stop_node = stop_node,
})
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
if mem.firebox_trigger <= 0 then
State:nopower(pos, mem)
mem.generating = false
power.generator_stop(pos, mem)
mem.provided = 0
else
mem.provided = power.generator_alive(pos, mem)
State:keep_running(pos, mem, COUNTDOWN_TICKS)
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:generator", {
description = S("TA3 Generator"),
tiles = {
-- up, down, right, left, back, front
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_hole_electric.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_open.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_generator.png",
"techage_filling_ta3.png^techage_frame_ta3.png^techage_appl_generator.png^[transformFX]",
},
on_construct = tubelib2.init_mem,
after_place_node = function(pos, placer)
-- secondary 'after_place_node', called by power. Don't use tubelib2.init_mem(pos)!!!
local mem = tubelib2.get_mem(pos)
local number = techage.add_node(pos, "techage:generator")
State:node_init(pos, mem, number)
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:generator_on", {
description = S("TA3 Generator"),
tiles = {
-- up, down, right, left, back, front
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_hole_electric.png^techage_frame_ta3.png",
"techage_filling_ta3.png^techage_appl_open.png^techage_frame_ta3.png",
{
image = "techage_filling4_ta3.png^techage_appl_generator4.png^techage_frame4_ta3.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 0.3,
},
},
{
image = "techage_filling4_ta3.png^techage_appl_generator4.png^[transformFX]^techage_frame4_ta3.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 0.3,
},
},
},
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(),
})
minetest.register_craft({
output = "techage:generator",
recipe = {
{"basic_materials:steel_bar", "dye:green", "default:wood"},
{"", "basic_materials:gear_steel", "techage:electric_cableS"},
{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
},
})
techage.power.register_node({"techage:generator", "techage:generator_on"}, {
conn_sides = {"R"},
power_network = Cable,
})
-- for logical communication
techage.register_node({"techage:generator", "techage:generator_on"}, {
on_transfer = function(pos, in_dir, topic, payload)
local mem = tubelib2.get_mem(pos)
if topic == "power_level" then
local mem = tubelib2.get_mem(pos)
mem.power_level = payload
elseif topic == "trigger" then
mem.firebox_trigger = 3
mem.power_level = payload
if mem.generating then
return math.max((mem.provided or PWR_CAPA) / PWR_CAPA, 0.02)
else
return 0
end
end
end,
on_recv_message = function(pos, src, topic, payload)
local mem = tubelib2.get_mem(pos)
if topic == "load" then
return techage.power.percent(PWR_CAPA, mem.provided)
else
return State:on_receive_message(pos, topic, payload)
end
end,
on_node_load = function(pos)
State:on_node_load(pos)
end,
})
techage.register_entry_page("ta3ps", "generator",
S("TA3 Generator"),
S("Part of the Power Station. Has to be placed side by side with the TA3 Turbine. "..
"Connect the Generator with your TA3 machines by means of Electric Cables and Junction Boxes@n"..
"(see TA3 Power Station)"),
"techage:generator")