techage/coal_power_station/firebox.lua
2020-02-27 22:33:42 +01:00

227 lines
5.7 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019-2020 Joachim Stolberg
GPL v3
See LICENSE.txt for more information
TA3 Coal Power Station Firebox
]]--
-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local S = techage.S
local firebox = techage.firebox
local CYCLE_TIME = 2
local BURN_CYCLE_FACTOR = 0.5
local function firehole(pos, on)
local param2 = techage.get_node_lvm(pos).param2
local pos2 = techage.get_pos(pos, 'F')
if on == true then
minetest.swap_node(pos2, {name="techage:coalfirehole_on", param2 = param2})
elseif on == false then
minetest.swap_node(pos2, {name="techage:coalfirehole", param2 = param2})
else
minetest.swap_node(pos2, {name="air"})
end
end
local function node_timer(pos, elapsed)
local nvm = techage.get_nvm(pos)
local power = techage.transfer(
{x=pos.x, y=pos.y+2, z=pos.z},
nil, -- outdir
"trigger", -- topic
nil, -- payload
nil, -- network
{"techage:coalboiler_top"} -- nodenames
)
nvm.burn_cycles = (nvm.burn_cycles or 0) - math.max((power or 0.02), 0.02)
if nvm.burn_cycles <= 0 then
local taken = firebox.get_fuel(pos)
if taken then
nvm.burn_cycles = (firebox.Burntime[taken:get_name()] or 1) / CYCLE_TIME * BURN_CYCLE_FACTOR
nvm.burn_cycles_total = nvm.burn_cycles
else
nvm.running = false
firehole(pos, false)
M(pos):set_string("formspec", firebox.formspec(nvm))
return false
end
end
if techage.is_activeformspec(pos) then
M(pos):set_string("formspec", firebox.formspec(nvm))
end
return true
end
local function start_firebox(pos, nvm)
if not nvm.running then
nvm.running = true
node_timer(pos, 0)
firehole(pos, true)
minetest.get_node_timer(pos):start(CYCLE_TIME)
end
end
minetest.register_node("techage:coalfirebox", {
description = S("TA3 Power Station Firebox"),
inventory_image = "techage_coal_boiler_inv.png",
tiles = {"techage_coal_boiler_mesh_top.png"},
drawtype = "mesh",
mesh = "techage_cylinder_12.obj",
selection_box = {
type = "fixed",
fixed = {-13/32, -16/32, -13/32, 13/32, 16/32, 13/32},
},
paramtype = "light",
paramtype2 = "facedir",
on_rotate = screwdriver.disallow,
groups = {cracky=2},
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
on_timer = node_timer,
can_dig = firebox.can_dig,
allow_metadata_inventory_put = firebox.allow_metadata_inventory_put,
allow_metadata_inventory_take = firebox.allow_metadata_inventory_take,
on_rightclick = firebox.on_rightclick,
on_construct = function(pos)
techage.add_node(pos, "techage:coalfirebox")
local nvm = techage.get_nvm(pos)
nvm.running = false
nvm.burn_cycles = 0
local meta = M(pos)
meta:set_string("formspec", firebox.formspec(nvm))
local inv = meta:get_inventory()
inv:set_size('fuel', 1)
firehole(pos, false)
end,
on_destruct = function(pos)
firehole(pos, nil)
end,
on_metadata_inventory_put = function(pos, listname, index, stack, player)
local nvm = techage.get_nvm(pos)
start_firebox(pos, nvm)
M(pos):set_string("formspec", firebox.formspec(nvm))
end,
})
minetest.register_node("techage:coalfirehole", {
description = S("TA3 Coal Power Station Firebox"),
tiles = {
-- up, down, right, left, back, front
"techage_coal_boiler.png",
"techage_coal_boiler.png",
"techage_coal_boiler.png",
"techage_coal_boiler.png",
"techage_coal_boiler.png",
"techage_coal_boiler.png^techage_appl_firehole.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-6/16, -6/16, 6/16, 6/16, 6/16, 12/16},
},
},
paramtype = "light",
paramtype2 = "facedir",
pointable = false,
diggable = false,
is_ground_content = false,
groups = {not_in_creative_inventory=1},
})
minetest.register_node("techage:coalfirehole_on", {
description = S("TA3 Coal Power Station Firebox"),
tiles = {
-- up, down, right, left, back, front
"techage_coal_boiler.png^[colorize:black:80",
"techage_coal_boiler.png^[colorize:black:80",
"techage_coal_boiler.png^[colorize:black:80",
"techage_coal_boiler.png^[colorize:black:80",
"techage_coal_boiler.png^[colorize:black:80",
{
image = "techage_coal_boiler4.png^[colorize:black:80^techage_appl_firehole4.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 0.4,
},
},
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{-6/16, -6/16, 6/16, 6/16, 6/16, 12/16},
},
},
paramtype = "light",
paramtype2 = "facedir",
light_source = 8,
pointable = false,
diggable = false,
is_ground_content = false,
groups = {not_in_creative_inventory=1},
})
techage.register_node({"techage:coalfirebox"}, {
on_pull_item = function(pos, in_dir, num)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return techage.get_items(inv, "fuel", num)
end,
on_push_item = function(pos, in_dir, stack)
if firebox.Burntime[stack:get_name()] then
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
local nvm = techage.get_nvm(pos)
start_firebox(pos, nvm)
return techage.put_items(inv, "fuel", stack)
end
return false
end,
on_unpull_item = function(pos, in_dir, stack)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
return techage.put_items(inv, "fuel", stack)
end,
on_recv_message = function(pos, src, topic, payload)
local nvm = techage.get_nvm(pos)
if topic == "state" then
return nvm.running and "running" or "stopped"
elseif topic == "fuel" then
return techage.fuel.get_fuel_amount(nvm)
else
return "unsupported"
end
end,
})
minetest.register_craft({
output = "techage:coalfirebox",
recipe = {
{'default:stone', 'default:stone', 'default:stone'},
{'default:steel_ingot', '', 'default:steel_ingot'},
{'default:stone', 'default:stone', 'default:stone'},
},
})