techage/steam_engine/cylinder.lua
2019-07-06 20:23:11 +02:00

144 lines
3.8 KiB
Lua

--[[
TechAge
=======
Copyright (C) 2019 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
TA2 Steam Engine Cylinder
]]--
-- for lazy programmers
local P = minetest.string_to_pos
local M = minetest.get_meta
local S = techage.S
local Pipe = techage.SteamPipe
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 with any pipe change
local function after_tube_update(node, pos, out_dir, peer_pos, peer_in_dir)
local mem = tubelib2.get_mem(pos)
mem.running = false
swap_node(pos, "techage:cylinder")
end
minetest.register_node("techage:cylinder", {
description = S("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",
},
on_construct = tubelib2.init_mem,
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 = S("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,
},
},
},
after_tube_update = after_tube_update,
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:cylinder", "techage:cylinder_on"}, {
conn_sides = {"L"},
power_network = Pipe,
})
-- used by firebox
techage.register_node({"techage:cylinder", "techage:cylinder_on"}, {
on_transfer = function(pos, in_dir, topic, payload)
local mem = tubelib2.get_mem(pos)
if topic == "trigger" then
local power = techage.transfer(pos, "R", "trigger", nil, nil, {
"techage:flywheel", "techage:flywheel_on"}) or 0
if not power then
return 0
elseif power > 0 and not mem.running then
swap_node(pos, "techage:cylinder_on")
mem.running = true
return power
elseif power <= 0 and mem.running then
swap_node(pos, "techage:cylinder")
mem.running = false
return 0
else
return power
end
elseif topic == "stop" then
swap_node(pos, "techage:cylinder")
mem.running = false
end
end
})
minetest.register_craft({
output = "techage:cylinder",
recipe = {
{"basic_materials:steel_bar", "techage:iron_ingot", "default:wood"},
{"techage:steam_pipeS", "basic_materials:gear_steel", ""},
{"default:wood", "techage:iron_ingot", "basic_materials:steel_bar"},
},
})
techage.register_entry_page("ta2", "cylinder",
S("TA2 Cylinder"),
S("Part of the steam engine. Has to be placed side by side with the TA2 Flywheel.@n"..
"(see Steam Engine)"),
"techage:cylinder")