techage/steam_engine/cylinder.lua

152 lines
4.0 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
TA2 Steam Engine Cylinder
]]--
-- for lazy programmers
local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local P = minetest.string_to_pos
local M = minetest.get_meta
local TP = function(pos) return (minetest.registered_nodes[minetest.get_node(pos).name] or {}).techage end
local TN = function(node) return (minetest.registered_nodes[node.name] or {}).techage end
-- Load support for intllib.
local MP = minetest.get_modpath("tubelib2")
local I,_ = dofile(MP.."/intllib.lua")
local POWER_CONSUMPTION = 8
local Pipe = techage.SteamPipe
local consumer = techage.consumer
local function swap_node(pos, name)
local node = minetest.get_node(pos)
if node.name == name then
return
end
node.name = name
minetest.swap_node(pos, node)
end
-- called from pipe network
local function valid_power_dir(pos, mem, in_dir)
return mem.power_dir == in_dir
end
-- called from pipe network
local function turn_power_on_clbk(pos, in_dir, sum)
local mem = tubelib2.get_mem(pos)
-- Simply store state to be prepared, when flywheel wants to start.
mem.running = sum > 0
end
-- called from flywheel
local function start_cylinder(pos, on)
local mem = tubelib2.get_mem(pos)
if on and mem.running then
consumer.turn_power_on(pos, POWER_CONSUMPTION)
swap_node(pos, "techage:cylinder_on")
return true
else
consumer.turn_power_on(pos, 0)
swap_node(pos, "techage:cylinder")
end
return false
end
minetest.register_node("techage:cylinder", {
description = I("TA2 Cylinder"),
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_appl_open.png^techage_frame_ta2.png",
"techage_filling_ta2.png^techage_frame_ta2.png^techage_steam_hole.png",
"techage_filling_ta2.png^techage_cylinder.png^techage_frame_ta2.png",
"techage_filling_ta2.png^techage_cylinder.png^techage_frame_ta2.png",
},
techage = {
turn_on = turn_power_on_clbk,
read_power_consumption = consumer.read_power_consumption,
power_network = Pipe,
power_side = "L",
valid_power_dir = valid_power_dir,
start_cylinder = start_cylinder,
},
after_place_node = function(pos, placer)
local mem = consumer.after_place_node(pos, placer)
mem.power_consume = 0 -- needed power to run
mem.power_supply = false -- power available?
end,
after_tube_update = consumer.after_tube_update,
after_dig_node = consumer.after_dig_node,
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:cylinder_on", {
description = I("TA2 Cylinder"),
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_appl_open.png^techage_frame_ta2.png",
"techage_filling_ta2.png^techage_frame_ta2.png^techage_steam_hole.png",
{
image = "techage_filling4_ta2.png^techage_cylinder4.png^techage_frame4_ta2.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 0.4,
},
},
{
image = "techage_filling4_ta2.png^techage_cylinder4.png^techage_frame4_ta2.png",
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 32,
aspect_h = 32,
length = 0.4,
},
},
},
techage = {
turn_on = turn_power_on_clbk,
read_power_consumption = consumer.read_power_consumption,
power_network = Pipe,
power_side = "L",
valid_power_dir = valid_power_dir,
start_cylinder = start_cylinder,
},
after_tube_update = consumer.after_tube_update,
after_dig_node = consumer.after_dig_node,
paramtype2 = "facedir",
groups = {not_in_creative_inventory=1},
diggable = false,
on_rotate = screwdriver.disallow,
is_ground_content = false,
sounds = default.node_sound_wood_defaults(),
})