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minetest-mods:master minetest-mods:fix_crash minetest-mods:detector_blacklist minetest-mods:mvps-ignore-handling minetest-mods:piston-rotation-rebased minetest-mods:meshes minetest-mods:zefram_doors minetest-mods:patch_#135 minetest-mods:dispenser minetest-mods:server_step minetest-mods:next nalc:master nalc:mvps-ignore-handling nalc:numzero-fix-tablecopy nalc:piston-rotation-rebased nalc:meshes nalc:zefram_doors nalc:patch_#135 nalc:dispenser nalc:server_step nalc:next
minetest-mods:v2022-04-01 minetest-mods:v1.2.1 minetest-mods:v1.2 minetest-mods:2017.03.05 minetest-mods:2016.09.13 minetest-mods:2016.07.09 minetest-mods:2016.05.15 minetest-mods:20130211 minetest-mods:v0.6-stable
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nalc:master nalc:mvps-ignore-handling nalc:numzero-fix-tablecopy nalc:piston-rotation-rebased nalc:meshes nalc:zefram_doors nalc:patch_#135 nalc:dispenser nalc:server_step nalc:next minetest-mods:master minetest-mods:fix_crash minetest-mods:detector_blacklist minetest-mods:mvps-ignore-handling minetest-mods:piston-rotation-rebased minetest-mods:meshes minetest-mods:zefram_doors minetest-mods:patch_#135 minetest-mods:dispenser minetest-mods:server_step minetest-mods:next
minetest-mods:v2022-04-01 minetest-mods:v1.2.1 minetest-mods:v1.2 minetest-mods:2017.03.05 minetest-mods:2016.09.13 minetest-mods:2016.07.09 minetest-mods:2016.05.15 minetest-mods:20130211 minetest-mods:v0.6-stable

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Author SHA1 Message Date
Jeija
2a61e8bea6 Merge branch 'master' of https://github.com/Jeija/minetest-mod-mesecons into next 2013-03-26 15:14:12 +01:00
Jeija
6cf713098a Make pistons use the 6d facedir feature 2013-03-24 20:56:46 +01:00
431 changed files with 3081 additions and 9312 deletions
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COPYING.txt
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The Mesecons Mod for Minetest is
Copyright (C) 2011-2016 Mesecons Mod Developer Team and contributors
See the version control system log for information about other authors.
License of source code
----------------------
Copyright (C) 2011-2016 Mesecons Mod Developer Team and contributors
This program is free software; you can redistribute the Mesecons Mod and/or
modify it under the terms of the GNU Lesser General Public License version 3
published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
License of media (textures, sounds and documentation)
-----------------------------------------------------
Copyright (C) 2011-2016 Mesecons Mod Developer Team and contributors
All textures, sounds and documentation files are licensed under the
Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
http://creativecommons.org/licenses/by-sa/3.0/

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The LGPLv3 applies to all code in this project.
The CC-BY-SA-3.0 license applies to textures and any other content in this project which is not source code.
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-- |\ /| ____ ____ ____ _____ ____ _____
-- | \ / | | | | | | | |\ | |
-- | \/ | |___ ____ |___ | | | | \ | |____
-- | | | | | | | | | \ | |
-- | | |___ ____| |___ |____ |____| | \| ____|
-- by Jeija and contributors
Credits:
Jeija: main developer
VanessaE: Awesome textures & design, coding
sfan5: coding, textures
temperest: coding, textures
Jordach: Sounds for the noteblock
minerd247: Some textures
...other contributors
This is a mod for minetest-c55.
Copy the minetest-mod-mesecons directory into you game's mod folder
(e.g. games/minetest_game/mods/minetest-mod-mesecons)
You can remove modules of this mod by deleting the mesecons_*
folders in the minetest-mod-mesecons directory.
Mod dependencies: none

79
README.md
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@ -1,79 +0,0 @@
########################################################################
## __ __ _____ _____ _____ _____ _____ _ _ _____ ##
## | \ / | | ___| | ___| | ___| | ___| | _ | | \ | | | ___| ##
## | \/ | | |___ | |___ | |___ | | | | | | | \| | | |___ ##
## | |\__/| | | ___| |___ | | ___| | | | | | | | | |___ | ##
## | | | | | |___ ___| | | |___ | |___ | |_| | | |\ | ___| | ##
## |_| |_| |_____| |_____| |_____| |_____| |_____| |_| \_| |_____| ##
## ##
########################################################################
MESECONS by Jeija and contributors
Mezzee-what?
------------
[Mesecons](http://mesecons.net/)! They're yellow, they're conductive, and they'll add a whole new dimension to Minetest's gameplay.
Mesecons is a mod for [Minetest](http://minetest.net/) that implements a ton of items related to digital circuitry, such as wires, buttons, lights, and even programmable controllers. Among other things, there are also pistons, solar panels, pressure plates, and note blocks.
Mesecons has a similar goal to Redstone in Minecraft, but works in its own way, with different rules and mechanics.
OK, I want in.
--------------
Go get it!
[DOWNLOAD IT NOW](https://github.com/minetest-mods/mesecons/archive/master.zip)
Now go ahead and install it like any other Minetest mod. Don't know how? Check out [the wonderful page about it](http://wiki.minetest.com/wiki/Mods) over at the Minetest Wiki. For your convenience, here's a quick summary:
1. If Mesecons is still in a ZIP file, extract the folder inside to somewhere on the computer.
2. Make sure that when you open the folder, you can directly find `README.md` in the listing. If you just see another folder, move that folder up one level and delete the old one.
3. Open up the Minetest mods folder - usually `/mods/`. If you see the `minetest` or folder inside of that, that is your mod folder instead.
4. Copy the Mesecons folder into the mods folder.
Don't like some parts of Mesecons? Open up the Mesecons folder and delete the subfolder containing the mod you don't want. If you didn't want movestones, for example, all you have to do is delete the `mesecons_movestones` folder and they will no longer be available.
There are no dependencies - it will work right after installing!
How do I use this thing?
------------------------
How about a [quick overview video](https://www.youtube.com/watch?v=6kmeQj6iW5k)?
Or maybe a [comprehensive reference](http://mesecons.net/items.html) is your style?
An overview for the very newest of new beginners? How does [this one](http://uberi.mesecons.net/projects/MeseconsBasics/index.html) look?
Want to get more into building? Why not check out the [Mesecons Laboratory](http://uberi.mesecons.net/), a website dedicated to advanced Mesecons builders?
Want to contribute to Mesecons itself? Check out the [source code](https://github.com/minetest-mods/mesecons)!
Who wrote it anyways?
---------------------
These awesome people made Mesecons possible!
| Contributor | Contribution |
| --------------- | -------------------------------- |
| Hawk777 | Code for VoxelManip caching |
| Jat15 | Various tweaks. |
| Jeija | **Main developer! Everything.** |
| Jordach | Noteblock sounds. |
| khonkhortistan | Code, recipes, textures. |
| Kotolegokot | Nodeboxes for items. |
| minerd247 | Textures. |
| Nore/Novatux | Code. |
| RealBadAngel | Fixes, improvements. |
| sfan5 | Code, recipes, textures. |
| suzenako | Piston sounds. |
| Uberi/Temperest | Code, textures, documentation. |
| VanessaE | Code, recipes, textures, design. |
| Whiskers75 | Logic gates implementation. |
There are also a whole bunch of other people helping with everything from code to testing and feedback. Mesecons would also not be possible without their help!
Alright, how can I use it?
--------------------------
All textures in this project are licensed under the CC-BY-SA 3.0 (Creative Commons Attribution-ShareAlike 3.0 Generic). That means you can distribute and remix them as much as you want to, under the condition that you give credit to the authors and the project, and that if you remix and release them, they must be under the same or similar license to this one.
All code in this project is licensed under the LGPL version 3 or later. That means you have unlimited freedom to distribute and modify the work however you see fit, provided that if you decide to distribute it or any modified versions of it, you must also use the same license. The LGPL also grants the additional freedom to write extensions for the software and distribute them without the extensions being subject to the terms of the LGPL, although the software itself retains its license.
No warranty is provided, express or implied, for any part of the project.

12
bower.json
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@ -1,12 +0,0 @@
{
"name": "mesecons",
"description": "Mesecons is a mod for Minetest that implements items related to digital circuitry: wires, buttons, lights, and programmable controllers.",
"homepage": "http://mesecons.net",
"authors": "Jeija",
"license": "LGPL-3.0+",
"keywords": [
"mesecons",
"minetest",
"mod"
]
}

64
documentation.json
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@ -1,64 +0,0 @@
{
"Conductors" : {
"Mesecon" : "mesecons_wires/doc/mesecon",
"Insulated Wire" : "mesecons_insulated/doc/insulated",
"T-Junction" : "mesecons_extrawires/doc/tjunction",
"Crossing" : "mesecons_extrawires/doc/crossing",
"Corner" : "mesecons_extrawires/doc/corner",
"Vertical Wire" : "mesecons_extrawires/doc/vertical",
"Mese" : "mesecons_extrawires/doc/mese"
},
"Receptors" : {
"Power Plant" : "mesecons_powerplant/doc/powerplant",
"Blinky Plant" : "mesecons_blinkyplant/doc/blinkyplant",
"Switch" : "mesecons_switch/doc/switch",
"Object Detector" : "mesecons_detector/doc/objectdetector",
"Node Detector" : "mesecons_detector/doc/nodedetector",
"Wall Lever" : "mesecons_walllever/doc/walllever",
"Pressure Plate" : "mesecons_pressureplates/doc/pressureplate_wood",
"Pressure Plate" : "mesecons_pressureplates/doc/pressureplate_stone",
"Water Turbine" : "mesecons_hydroturbine/doc/waterturbine",
"Solar Panel" : "mesecons_solarpanel/doc/solarpanel",
"Wall Button" : "mesecons_button/doc/button"
},
"Effectors" : {
"Noteblock" : "mesecons_noteblock/doc/noteblock",
"Lamp" : "mesecons_lamp/doc/lamp",
"Piston" : "mesecons_pistons/doc/piston",
"Sticky Piston" : "mesecons_pistons/doc/piston_sticky",
"Movestone" : "mesecons_movestones/doc/movestone",
"Sticky Movestone" : "mesecons_movestones/doc/movestone_sticky",
"Removestone" : "mesecons_random/doc/removestone",
"Ghoststone" : "mesecons_random/doc/ghoststone",
"Command Block" : "mesecons_commandblock/doc/commandblock",
"Lightstones" : {
"Dark Grey" : "mesecons_lightstone/doc/lightstone_darkgrey",
"Light Grey" : "mesecons_lightstone/doc/lightstone_lightgrey",
"Green" : "mesecons_lightstone/doc/lightstone_green",
"Red" : "mesecons_lightstone/doc/lightstone_red",
"Blue" : "mesecons_lightstone/doc/lightstone_blue",
"Yellow" : "mesecons_lightstone/doc/lightstone_yellow"
}
},
"Logic" : {
"Luacontroller" : "mesecons_luacontroller/doc/luacontroller",
"FPGA" : "mesecons_fpga/doc/fpga",
"FPGA Programmer" : "mesecons_fpga/doc/programmer",
"Torch" : "mesecons_torch/doc/torch",
"Delayer" : "mesecons_delayer/doc/delayer",
"Gates" : {
"Diode" : "mesecons_gates/doc/diode",
"NOT Gate" : "mesecons_gates/doc/not",
"AND Gate" : "mesecons_gates/doc/and",
"NAND Gate" : "mesecons_gates/doc/nand",
"OR Gate" : "mesecons_gates/doc/or",
"NOR Gate" : "mesecons_gates/doc/nor",
"XOR Gate" : "mesecons_gates/doc/xor"
}
},
"Crafts" : {
"Silicon" : "mesecons_materials/doc/silicon",
"Glue" : "mesecons_materials/doc/glue",
"Fiber" : "mesecons_materials/doc/fiber"
}
}

1
mesecons/VERSION Normal file
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@ -0,0 +1 @@
0.41 DEV

105
mesecons/actionqueue.lua
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@ -1,105 +0,0 @@
mesecon.queue.actions={} -- contains all ActionQueue actions
function mesecon.queue:add_function(name, func)
mesecon.queue.funcs[name] = func
end
-- If add_action with twice the same overwritecheck and same position are called, the first one is overwritten
-- use overwritecheck nil to never overwrite, but just add the event to the queue
-- priority specifies the order actions are executed within one globalstep, highest first
-- should be between 0 and 1
function mesecon.queue:add_action(pos, func, params, time, overwritecheck, priority)
-- Create Action Table:
time = time or 0 -- time <= 0 --> execute, time > 0 --> wait time until execution
priority = priority or 1
local action = { pos=mesecon.tablecopy(pos),
func=func,
params=mesecon.tablecopy(params or {}),
time=time,
owcheck=(overwritecheck and mesecon.tablecopy(overwritecheck)) or nil,
priority=priority}
local toremove = nil
-- Otherwise, add the action to the queue
if overwritecheck then -- check if old action has to be overwritten / removed:
for i, ac in ipairs(mesecon.queue.actions) do
if(vector.equals(pos, ac.pos)
and mesecon.cmpAny(overwritecheck, ac.owcheck)) then
toremove = i
break
end
end
end
if (toremove ~= nil) then
table.remove(mesecon.queue.actions, toremove)
end
table.insert(mesecon.queue.actions, action)
end
-- execute the stored functions on a globalstep
-- if however, the pos of a function is not loaded (get_node_or_nil == nil), do NOT execute the function
-- this makes sure that resuming mesecons circuits when restarting minetest works fine
-- However, even that does not work in some cases, that's why we delay the time the globalsteps
-- start to be execute by 5 seconds
local get_highest_priority = function (actions)
local highestp = -1
local highesti
for i, ac in ipairs(actions) do
if ac.priority > highestp then
highestp = ac.priority
highesti = i
end
end
return highesti
end
local m_time = 0
local resumetime = mesecon.setting("resumetime", 4)
minetest.register_globalstep(function (dtime)
m_time = m_time + dtime
-- don't even try if server has not been running for XY seconds; resumetime = time to wait
-- after starting the server before processing the ActionQueue, don't set this too low
if (m_time < resumetime) then return end
local actions = mesecon.tablecopy(mesecon.queue.actions)
local actions_now={}
mesecon.queue.actions = {}
-- sort actions into two categories:
-- those toexecute now (actions_now) and those to execute later (mesecon.queue.actions)
for i, ac in ipairs(actions) do
if ac.time > 0 then
ac.time = ac.time - dtime -- executed later
table.insert(mesecon.queue.actions, ac)
else
table.insert(actions_now, ac)
end
end
while(#actions_now > 0) do -- execute highest priorities first, until all are executed
local hp = get_highest_priority(actions_now)
mesecon.queue:execute(actions_now[hp])
table.remove(actions_now, hp)
end
end)
function mesecon.queue:execute(action)
-- ignore if action queue function name doesn't exist,
-- (e.g. in case the action queue savegame was written by an old mesecons version)
if mesecon.queue.funcs[action.func] then
mesecon.queue.funcs[action.func](action.pos, unpack(action.params))
end
end
-- Store and read the ActionQueue to / from a file
-- so that upcoming actions are remembered when the game
-- is restarted
mesecon.queue.actions = mesecon.file2table("mesecon_actionqueue")
minetest.register_on_shutdown(function()
mesecon.table2file("mesecon_actionqueue", mesecon.queue.actions)
end)

82
mesecons/init.lua
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@ -3,7 +3,7 @@
-- | \/ | |___ ____ |___ | | | | \ | |____
-- | | | | | | | | | \ | |
-- | | |___ ____| |___ |____ |____| | \| ____|
-- by Jeija, Uberi (Temperest), sfan5, VanessaE, Hawk777 and contributors
-- by Jeija, Uberi (Temperest), sfan5, VanessaE
--
--
--
@ -11,7 +11,7 @@
-- See the documentation on the forum for additional information, especially about crafting
--
--
-- For basic development resources, see http://mesecons.net/developers.html
-- For developer documentation see the Developers' section on mesecons.TK
--
--
--
@ -39,26 +39,28 @@
-- }
--}
-- PUBLIC VARIABLES
mesecon={} -- contains all functions and all global variables
mesecon.queue={} -- contains the ActionQueue
mesecon.queue.funcs={} -- contains all ActionQueue functions
mesecon.actions_on={} -- Saves registered function callbacks for mesecon on | DEPRECATED
mesecon.actions_off={} -- Saves registered function callbacks for mesecon off | DEPRECATED
mesecon.actions_change={} -- Saves registered function callbacks for mesecon change | DEPRECATED
mesecon.receptors={} -- saves all information about receptors | DEPRECATED
mesecon.effectors={} -- saves all information about effectors | DEPRECATED
mesecon.conductors={} -- saves all information about conductors | DEPRECATED
-- Settings
dofile(minetest.get_modpath("mesecons").."/settings.lua")
-- Presets (eg default rules)
dofile(minetest.get_modpath("mesecons").."/presets.lua");
-- Utilities like comparing positions,
-- adding positions and rules,
-- mostly things that make the source look cleaner
dofile(minetest.get_modpath("mesecons").."/util.lua");
-- Presets (eg default rules)
dofile(minetest.get_modpath("mesecons").."/presets.lua");
-- The ActionQueue
-- Saves all the actions that have to be execute in the future
dofile(minetest.get_modpath("mesecons").."/actionqueue.lua");
-- Internal stuff
-- This is the most important file
-- it handles signal transmission and basically everything else
@ -66,63 +68,47 @@ dofile(minetest.get_modpath("mesecons").."/actionqueue.lua");
-- like calling action_on/off/change
dofile(minetest.get_modpath("mesecons").."/internal.lua");
-- Deprecated stuff
-- To be removed in future releases
-- Currently there is nothing here
dofile(minetest.get_modpath("mesecons").."/legacy.lua");
-- API
-- these are the only functions you need to remember
mesecon.queue:add_function("receptor_on", function (pos, rules)
mesecon.vm_begin()
function mesecon:receptor_on(pos, rules)
rules = rules or mesecon.rules.default
-- Call turnon on all linking positions
for _, rule in ipairs(mesecon.flattenrules(rules)) do
local np = vector.add(pos, rule)
local rulenames = mesecon.rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
mesecon.turnon(np, rulename)
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
local link, rulename = mesecon:rules_link(pos, np, rules)
if link then
mesecon:turnon(np, rulename)
end
end
mesecon.vm_commit()
end)
function mesecon.receptor_on(pos, rules)
mesecon.queue:add_action(pos, "receptor_on", {rules}, nil, rules)
end
mesecon.queue:add_function("receptor_off", function (pos, rules)
function mesecon:receptor_off(pos, rules)
rules = rules or mesecon.rules.default
-- Call turnoff on all linking positions
for _, rule in ipairs(mesecon.flattenrules(rules)) do
local np = vector.add(pos, rule)
local rulenames = mesecon.rules_link_rule_all(pos, rule)
for _, rulename in ipairs(rulenames) do
mesecon.vm_begin()
mesecon.changesignal(np, minetest.get_node(np), rulename, mesecon.state.off, 2)
-- Turnoff returns true if turnoff process was successful, no onstate receptor
-- was found along the way. Commit changes that were made in voxelmanip. If turnoff
-- returns true, an onstate receptor was found, abort voxelmanip transaction.
if (mesecon.turnoff(np, rulename)) then
mesecon.vm_commit()
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
local link, rulename = mesecon:rules_link(pos, np, rules)
if link then
if not mesecon:connected_to_receptor(np) then
mesecon:turnoff(np, rulename)
else
mesecon.vm_abort()
mesecon:changesignal(np, minetest.env:get_node(np), rulename, mesecon.state.off)
end
end
end
end)
function mesecon.receptor_off(pos, rules)
mesecon.queue:add_action(pos, "receptor_off", {rules}, nil, rules)
end
print("[OK] Mesecons")
-- Deprecated stuff
-- To be removed in future releases
dofile(minetest.get_modpath("mesecons").."/legacy.lua");
--The actual wires
dofile(minetest.get_modpath("mesecons").."/wires.lua");
--Services like turnoff receptor on dignode and so on
dofile(minetest.get_modpath("mesecons").."/services.lua");

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mesecons/internal.lua
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@ -1,53 +1,62 @@
-- Internal.lua - The core of mesecons
--
-- For more practical developer resources see http://mesecons.net/developers.php
-- For more practical developer resources see mesecons.tk
--
-- Function overview
-- mesecon.get_effector(nodename) --> Returns the mesecons.effector -specifictation in the nodedef by the nodename
-- mesecon.get_receptor(nodename) --> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
-- mesecon.get_conductor(nodename) --> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
-- mesecon.get_any_inputrules (node) --> Returns the rules of a node if it is a conductor or an effector
-- mesecon.get_any_outputrules (node) --> Returns the rules of a node if it is a conductor or a receptor
-- mesecon:get_effector(nodename) --> Returns the mesecons.effector -specifictation in the nodedef by the nodename
-- mesecon:get_receptor(nodename) --> Returns the mesecons.receptor -specifictation in the nodedef by the nodename
-- mesecon:get_conductor(nodename) --> Returns the mesecons.conductor-specifictation in the nodedef by the nodename
-- mesecon:get_any_inputrules (node) --> Returns the rules of a node if it is a conductor or an effector
-- mesecon:get_any_outputrules (node) --> Returns the rules of a node if it is a conductor or a receptor
-- RECEPTORS
-- mesecon.is_receptor(nodename) --> Returns true if nodename is a receptor
-- mesecon.is_receptor_on(nodename --> Returns true if nodename is an receptor with state = mesecon.state.on
-- mesecon.is_receptor_off(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.off
-- mesecon.receptor_get_rules(node) --> Returns the rules of the receptor (mesecon.rules.default if none specified)
-- mesecon:is_receptor(nodename) --> Returns true if nodename is a receptor
-- mesecon:is_receptor_on(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.on
-- mesecon:is_receptor_off(nodename) --> Returns true if nodename is an receptor with state = mesecon.state.off
-- mesecon:receptor_get_rules(node) --> Returns the rules of the receptor (mesecon.rules.default if none specified)
-- EFFECTORS
-- mesecon.is_effector(nodename) --> Returns true if nodename is an effector
-- mesecon.is_effector_on(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
-- mesecon.is_effector_off(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
-- mesecon.effector_get_rules(node) --> Returns the input rules of the effector (mesecon.rules.default if none specified)
-- mesecon:is_effector(nodename) --> Returns true if nodename is an effector
-- mesecon:is_effector_on(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_off
-- mesecon:is_effector_off(nodename) --> Returns true if nodename is an effector with nodedef.mesecons.effector.action_on
-- mesecon:effector_get_rules(node) --> Returns the input rules of the effector (mesecon.rules.default if none specified)
-- SIGNALS
-- mesecon.activate(pos, node, depth) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on), higher depths are executed later
-- mesecon.deactivate(pos, node, depth) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off), higher depths are executed later
-- mesecon.changesignal(pos, node, rulename, newstate, depth) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change), higher depths are executed later
-- mesecon:activate(pos, node) --> Activates the effector node at the specific pos (calls nodedef.mesecons.effector.action_on)
-- mesecon:deactivate(pos, node) --> Deactivates the effector node at the specific pos (calls nodedef.mesecons.effector.action_off)
-- mesecon:changesignal(pos, node, rulename, newstate) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change)
-- RULES
-- mesecon:add_rules(name, rules) | deprecated? --> Saves rules table by name
-- mesecon:get_rules(name, rules) | deprecated? --> Loads rules table with name
-- CONDUCTORS
-- mesecon.is_conductor(nodename) --> Returns true if nodename is a conductor
-- mesecon.is_conductor_on(node --> Returns true if node is a conductor with state = mesecon.state.on
-- mesecon.is_conductor_off(node) --> Returns true if node is a conductor with state = mesecon.state.off
-- mesecon.get_conductor_on(node_off) --> Returns the onstate nodename of the conductor
-- mesecon.get_conductor_off(node_on) --> Returns the offstate nodename of the conductor
-- mesecon.conductor_get_rules(node) --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
-- mesecon:is_conductor(nodename) --> Returns true if nodename is a conductor
-- mesecon:is_conductor_on(nodename) --> Returns true if nodename is a conductor with state = mesecon.state.on
-- mesecon:is_conductor_off(nodename) --> Returns true if nodename is a conductor with state = mesecon.state.off
-- mesecon:get_conductor_on(offstate) --> Returns the onstate nodename of the conductor with the name offstate
-- mesecon:get_conductor_off(onstate) --> Returns the offstate nodename of the conductor with the name onstate
-- mesecon:conductor_get_rules(node) --> Returns the input+output rules of a conductor (mesecon.rules.default if none specified)
-- HIGH-LEVEL Internals
-- mesecon.is_power_on(pos) --> Returns true if pos emits power in any way
-- mesecon.is_power_off(pos) --> Returns true if pos does not emit power in any way
-- mesecon.is_powered(pos) --> Returns true if pos is powered by a receptor or a conductor
-- mesecon:is_power_on(pos) --> Returns true if pos emits power in any way
-- mesecon:is_power_off(pos) --> Returns true if pos does not emit power in any way
-- mesecon:turnon(pos, rulename) --> Returns true whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnon
-- mesecon:turnoff(pos, rulename) --> Turns off whatever there is at pos. Calls itself for connected nodes (if pos is a conductor) --> recursive, the rulename is the name of the input rule that caused calling turnoff
-- mesecon:connected_to_receptor(pos) --> Returns true if pos is connected to a receptor directly or via conductors; calls itself if pos is a conductor --> recursive
-- mesecon:rules_link(output, input, dug_outputrules) --> Returns true if outputposition + outputrules = inputposition and inputposition + inputrules = outputposition (if the two positions connect)
-- mesecon:rules_link_anydir(outp., inp., d_outpr.) --> Same as rules mesecon:rules_link but also returns true if output and input are swapped
-- mesecon:is_powered(pos) --> Returns true if pos is powered by a receptor or a conductor
-- RULES ROTATION helpers
-- mesecon.rotate_rules_right(rules)
-- mesecon.rotate_rules_left(rules)
-- mesecon.rotate_rules_up(rules)
-- mesecon.rotate_rules_down(rules)
-- RULES ROTATION helpsers
-- mesecon:rotate_rules_right(rules)
-- mesecon:rotate_rules_left(rules)
-- mesecon:rotate_rules_up(rules)
-- mesecon:rotate_rules_down(rules)
-- These functions return rules that have been rotated in the specific direction
-- General
function mesecon.get_effector(nodename)
function mesecon:get_effector(nodename)
if minetest.registered_nodes[nodename]
and minetest.registered_nodes[nodename].mesecons
and minetest.registered_nodes[nodename].mesecons.effector then
@ -55,7 +64,7 @@ function mesecon.get_effector(nodename)
end
end
function mesecon.get_receptor(nodename)
function mesecon:get_receptor(nodename)
if minetest.registered_nodes[nodename]
and minetest.registered_nodes[nodename].mesecons
and minetest.registered_nodes[nodename].mesecons.receptor then
@ -63,7 +72,7 @@ function mesecon.get_receptor(nodename)
end
end
function mesecon.get_conductor(nodename)
function mesecon:get_conductor(nodename)
if minetest.registered_nodes[nodename]
and minetest.registered_nodes[nodename].mesecons
and minetest.registered_nodes[nodename].mesecons.conductor then
@ -71,59 +80,52 @@ function mesecon.get_conductor(nodename)
end
end
function mesecon.get_any_outputrules(node)
if not node then return nil end
if mesecon.is_conductor(node.name) then
return mesecon.conductor_get_rules(node)
elseif mesecon.is_receptor(node.name) then
return mesecon.receptor_get_rules(node)
function mesecon:get_any_outputrules (node)
if mesecon:is_conductor(node.name) then
return mesecon:conductor_get_rules(node)
elseif mesecon:is_receptor(node.name) then
return mesecon:receptor_get_rules(node)
end
return false
end
function mesecon.get_any_inputrules(node)
if not node then return nil end
if mesecon.is_conductor(node.name) then
return mesecon.conductor_get_rules(node)
elseif mesecon.is_effector(node.name) then
return mesecon.effector_get_rules(node)
function mesecon:get_any_inputrules (node)
if mesecon:is_conductor(node.name) then
return mesecon:conductor_get_rules(node)
elseif mesecon:is_effector(node.name) then
return mesecon:effector_get_rules(node)
end
end
function mesecon.get_any_rules(node)
return mesecon.mergetable(mesecon.get_any_inputrules(node) or {},
mesecon.get_any_outputrules(node) or {})
return false
end
-- Receptors
-- Nodes that can power mesecons
function mesecon.is_receptor_on(nodename)
local receptor = mesecon.get_receptor(nodename)
function mesecon:is_receptor_on(nodename)
local receptor = mesecon:get_receptor(nodename)
if receptor and receptor.state == mesecon.state.on then
return true
end
return false
end
function mesecon.is_receptor_off(nodename)
local receptor = mesecon.get_receptor(nodename)
function mesecon:is_receptor_off(nodename)
local receptor = mesecon:get_receptor(nodename)
if receptor and receptor.state == mesecon.state.off then
return true
end
return false
end
function mesecon.is_receptor(nodename)
local receptor = mesecon.get_receptor(nodename)
function mesecon:is_receptor(nodename)
local receptor = mesecon:get_receptor(nodename)
if receptor then
return true
end
return false
end
function mesecon.receptor_get_rules(node)
local receptor = mesecon.get_receptor(node.name)
function mesecon:receptor_get_rules(node)
local receptor = mesecon:get_receptor(node.name)
if receptor then
local rules = receptor.rules
if type(rules) == 'function' then
@ -138,32 +140,32 @@ end
-- Effectors
-- Nodes that can be powered by mesecons
function mesecon.is_effector_on(nodename)
local effector = mesecon.get_effector(nodename)
function mesecon:is_effector_on(nodename)
local effector = mesecon:get_effector(nodename)
if effector and effector.action_off then
return true
end
return false
end
function mesecon.is_effector_off(nodename)
local effector = mesecon.get_effector(nodename)
function mesecon:is_effector_off(nodename)
local effector = mesecon:get_effector(nodename)
if effector and effector.action_on then
return true
end
return false
end
function mesecon.is_effector(nodename)
local effector = mesecon.get_effector(nodename)
function mesecon:is_effector(nodename)
local effector = mesecon:get_effector(nodename)
if effector then
return true
end
return false
end
function mesecon.effector_get_rules(node)
local effector = mesecon.get_effector(node.name)
function mesecon:effector_get_rules(node)
local effector = mesecon:get_effector(node.name)
if effector then
local rules = effector.rules
if type(rules) == 'function' then
@ -175,168 +177,83 @@ function mesecon.effector_get_rules(node)
return mesecon.rules.default
end
-- #######################
-- # Signals (effectors) #
-- #######################
-- Activation:
mesecon.queue:add_function("activate", function (pos, rulename)
local node = mesecon.get_node_force(pos)
if not node then return end
local effector = mesecon.get_effector(node.name)
--Signals
function mesecon:activate(pos, node, rulename)
local effector = mesecon:get_effector(node.name)
if effector and effector.action_on then
effector.action_on(pos, node, rulename)
effector.action_on (pos, node, rulename)
end
end)
function mesecon.activate(pos, node, rulename, depth)
if rulename == nil then
for _,rule in ipairs(mesecon.effector_get_rules(node)) do
mesecon.activate(pos, node, rule, depth + 1)
end
return
end
mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename, 1 / depth)
end
-- Deactivation
mesecon.queue:add_function("deactivate", function (pos, rulename)
local node = mesecon.get_node_force(pos)
if not node then return end
local effector = mesecon.get_effector(node.name)
function mesecon:deactivate(pos, node, rulename)
local effector = mesecon:get_effector(node.name)
if effector and effector.action_off then
effector.action_off(pos, node, rulename)
effector.action_off (pos, node, rulename)
end
end)
function mesecon.deactivate(pos, node, rulename, depth)
if rulename == nil then
for _,rule in ipairs(mesecon.effector_get_rules(node)) do
mesecon.deactivate(pos, node, rule, depth + 1)
end
return
end
mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename, 1 / depth)
end
-- Change
mesecon.queue:add_function("change", function (pos, rulename, changetype)
local node = mesecon.get_node_force(pos)
if not node then return end
local effector = mesecon.get_effector(node.name)
function mesecon:changesignal(pos, node, rulename, newstate)
local effector = mesecon:get_effector(node.name)
if effector and effector.action_change then
effector.action_change(pos, node, rulename, changetype)
effector.action_change (pos, node, rulename, newstate)
end
end)
end
function mesecon.changesignal(pos, node, rulename, newstate, depth)
if rulename == nil then
for _,rule in ipairs(mesecon.effector_get_rules(node)) do
mesecon.changesignal(pos, node, rule, newstate, depth + 1)
end
return
end
--Rules
-- Include "change" in overwritecheck so that it cannot be overwritten
-- by "active" / "deactivate" that will be called upon the node at the same time.
local overwritecheck = {"change", rulename}
mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, overwritecheck, 1 / depth)
function mesecon:add_rules(name, rules)
mesecon.rules[name] = rules
end
function mesecon:get_rules(name)
return mesecon.rules[name]
end
-- Conductors
function mesecon.is_conductor_on(node, rulename)
if not node then return false end
local conductor = mesecon.get_conductor(node.name)
if conductor then
if conductor.state then
return conductor.state == mesecon.state.on
function mesecon:is_conductor_on(nodename)
local conductor = mesecon:get_conductor(nodename)
if conductor and conductor.state == mesecon.state.on then
return true
end
if conductor.states then
if not rulename then
return mesecon.getstate(node.name, conductor.states) ~= 1
end
local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node))
local binstate = mesecon.getbinstate(node.name, conductor.states)
return mesecon.get_bit(binstate, bit)
end
end
return false
end
function mesecon.is_conductor_off(node, rulename)
if not node then return false end
local conductor = mesecon.get_conductor(node.name)
if conductor then
if conductor.state then
return conductor.state == mesecon.state.off
function mesecon:is_conductor_off(nodename)
local conductor = mesecon:get_conductor(nodename)
if conductor and conductor.state == mesecon.state.off then
return true
end
if conductor.states then
if not rulename then
return mesecon.getstate(node.name, conductor.states) == 1
end
local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node))
local binstate = mesecon.getbinstate(node.name, conductor.states)
return not mesecon.get_bit(binstate, bit)
end
end
return false
end
function mesecon.is_conductor(nodename)
local conductor = mesecon.get_conductor(nodename)
function mesecon:is_conductor(nodename)
local conductor = mesecon:get_conductor(nodename)
if conductor then
return true
end
return false
end
function mesecon.get_conductor_on(node_off, rulename)
local conductor = mesecon.get_conductor(node_off.name)
function mesecon:get_conductor_on(offstate)
local conductor = mesecon:get_conductor(offstate)
if conductor then
if conductor.onstate then
return conductor.onstate
end
if conductor.states then
local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node_off))
local binstate = mesecon.getbinstate(node_off.name, conductor.states)
binstate = mesecon.set_bit(binstate, bit, "1")
return conductor.states[tonumber(binstate,2)+1]
end
end
return offstate
return false
end
function mesecon.get_conductor_off(node_on, rulename)
local conductor = mesecon.get_conductor(node_on.name)
function mesecon:get_conductor_off(onstate)
local conductor = mesecon:get_conductor(onstate)
if conductor then
if conductor.offstate then
return conductor.offstate
end
if conductor.states then
local bit = mesecon.rule2bit(rulename, mesecon.conductor_get_rules(node_on))
local binstate = mesecon.getbinstate(node_on.name, conductor.states)
binstate = mesecon.set_bit(binstate, bit, "0")
return conductor.states[tonumber(binstate,2)+1]
end
end
return onstate
return false
end
function mesecon.conductor_get_rules(node)
local conductor = mesecon.get_conductor(node.name)
function mesecon:conductor_get_rules(node)
local conductor = mesecon:get_conductor(node.name)
if conductor then
local rules = conductor.rules
if type(rules) == 'function' then
@ -350,201 +267,206 @@ end
-- some more general high-level stuff
function mesecon.is_power_on(pos, rulename)
local node = mesecon.get_node_force(pos)
if node and (mesecon.is_conductor_on(node, rulename) or mesecon.is_receptor_on(node.name)) then
function mesecon:is_power_on(pos)
local node = minetest.env:get_node(pos)
if mesecon:is_conductor_on(node.name) or mesecon:is_receptor_on(node.name) then
return true
end
return false
end
function mesecon.is_power_off(pos, rulename)
local node = mesecon.get_node_force(pos)
if node and (mesecon.is_conductor_off(node, rulename) or mesecon.is_receptor_off(node.name)) then
function mesecon:is_power_off(pos)
local node = minetest.env:get_node(pos)
if mesecon:is_conductor_off(node.name) or mesecon:is_receptor_off(node.name) then
return true
end
return false
end
-- Turn off an equipotential section starting at `pos`, which outputs in the direction of `link`.
-- Breadth-first search. Map is abstracted away in a voxelmanip.
-- Follow all all conductor paths replacing conductors that were already
-- looked at, activating / changing all effectors along the way.
function mesecon.turnon(pos, link)
local frontiers = {{pos = pos, link = link}}
function mesecon:turnon(pos, rulename)
local node = minetest.env:get_node(pos)
local depth = 1
while frontiers[1] do
local f = table.remove(frontiers, 1)
local node = mesecon.get_node_force(f.pos)
if mesecon:is_conductor_off(node.name) then
local rules = mesecon:conductor_get_rules(node)
minetest.env:add_node(pos, {name = mesecon:get_conductor_on(node.name), param2 = node.param2})
if not node then
-- Area does not exist; do nothing
elseif mesecon.is_conductor_off(node, f.link) then
local rules = mesecon.conductor_get_rules(node)
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
local link, rulename = mesecon:rules_link(pos, np)
-- Call turnon on neighbors
for _, r in ipairs(mesecon.rule2meta(f.link, rules)) do
local np = vector.add(f.pos, r)
for _, l in ipairs(mesecon.rules_link_rule_all(f.pos, r)) do
table.insert(frontiers, {pos = np, link = l})
if link then
mesecon:turnon(np, rulename)
end
end
mesecon.swap_node_force(f.pos, mesecon.get_conductor_on(node, f.link))
elseif mesecon.is_effector(node.name) then
mesecon.changesignal(f.pos, node, f.link, mesecon.state.on, depth)
if mesecon.is_effector_off(node.name) then
mesecon.activate(f.pos, node, f.link, depth)
elseif mesecon:is_effector(node.name) then
mesecon:changesignal(pos, node, rulename, mesecon.state.on)
if mesecon:is_effector_off(node.name) then
mesecon:activate(pos, node, rulename)
end
end
depth = depth + 1
end
end
-- Turn on an equipotential section starting at `pos`, which outputs in the direction of `link`.
-- Breadth-first search. Map is abstracted away in a voxelmanip.
-- Follow all all conductor paths replacing conductors that were already
-- looked at, deactivating / changing all effectors along the way.
-- In case an onstate receptor is discovered, abort the process by returning false, which will
-- cause `receptor_off` to discard all changes made in the voxelmanip.
-- Contrary to turnon, turnoff has to cache all change and deactivate signals so that they will only
-- be called in the very end when we can be sure that no conductor was found along the path.
--
-- Signal table entry structure:
-- {
-- pos = position of effector,
-- node = node descriptor (name, param1 and param2),
-- link = link the effector is connected to,
-- depth = indicates order in which signals wire fired, higher is later
-- }
function mesecon.turnoff(pos, link)
local frontiers = {{pos = pos, link = link}}
local signals = {}
function mesecon:turnoff(pos, rulename)
local node = minetest.env:get_node(pos)
local depth = 1
while frontiers[1] do
local f = table.remove(frontiers, 1)
local node = mesecon.get_node_force(f.pos)
if mesecon:is_conductor_on(node.name) then
local rules = mesecon:conductor_get_rules(node)
minetest.env:add_node(pos, {name = mesecon:get_conductor_off(node.name), param2 = node.param2})
if not node then
-- Area does not exist; do nothing
elseif mesecon.is_conductor_on(node, f.link) then
local rules = mesecon.conductor_get_rules(node)
for _, r in ipairs(mesecon.rule2meta(f.link, rules)) do
local np = vector.add(f.pos, r)
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
local link, rulename = mesecon:rules_link(pos, np)
-- Check if an onstate receptor is connected. If that is the case,
-- abort this turnoff process by returning false. `receptor_off` will
-- discard all the changes that we made in the voxelmanip:
for _, l in ipairs(mesecon.rules_link_rule_all_inverted(f.pos, r)) do
if mesecon.is_receptor_on(mesecon.get_node_force(np).name) then
return false
if link then
mesecon:turnoff(np, rulename)
end
end
-- Call turnoff on neighbors
for _, l in ipairs(mesecon.rules_link_rule_all(f.pos, r)) do
table.insert(frontiers, {pos = np, link = l})
elseif mesecon:is_effector(node.name) then
mesecon:changesignal(pos, node, rulename, mesecon.state.off)
if mesecon:is_effector_on(node.name)
and not mesecon:is_powered(pos) then
mesecon:deactivate(pos, node, rulename)
end
end
mesecon.swap_node_force(f.pos, mesecon.get_conductor_off(node, f.link))
elseif mesecon.is_effector(node.name) then
table.insert(signals, {
pos = f.pos,
node = node,
link = f.link,
depth = depth
})
end
depth = depth + 1
end
for _, sig in ipairs(signals) do
mesecon.changesignal(sig.pos, sig.node, sig.link, mesecon.state.off, sig.depth)
if mesecon.is_effector_on(sig.node.name) and not mesecon.is_powered(sig.pos) then
mesecon.deactivate(sig.pos, sig.node, sig.link, sig.depth)
end
end
return true
end
-- Get all linking inputrules of inputnode (effector or conductor) that is connected to
-- outputnode (receptor or conductor) at position `output` and has an output in direction `rule`
function mesecon.rules_link_rule_all(output, rule)
local input = vector.add(output, rule)
local inputnode = mesecon.get_node_force(input)
local inputrules = mesecon.get_any_inputrules(inputnode)
if not inputrules then
return {}
end
local rules = {}
for _, inputrule in ipairs(mesecon.flattenrules(inputrules)) do
-- Check if input accepts from output
if vector.equals(vector.add(input, inputrule), output) then
table.insert(rules, inputrule)
end
end
function mesecon:connected_to_receptor(pos)
local node = minetest.env:get_node(pos)
return rules
end
-- Get all linking outputnodes of outputnode (receptor or conductor) that is connected to
-- inputnode (effector or conductor) at position `input` and has an input in direction `rule`
function mesecon.rules_link_rule_all_inverted(input, rule)
local output = vector.add(input, rule)
local outputnode = mesecon.get_node_force(output)
local outputrules = mesecon.get_any_outputrules(outputnode)
if not outputrules then
return {}
end
local rules = {}
for _, outputrule in ipairs(mesecon.flattenrules(outputrules)) do
if vector.equals(vector.add(output, outputrule), input) then
table.insert(rules, mesecon.invertRule(outputrule))
end
end
return rules
end
function mesecon.is_powered(pos, rule)
local node = mesecon.get_node_force(pos)
local rules = mesecon.get_any_inputrules(node)
-- Check if conductors around are connected
local rules = mesecon:get_any_inputrules(node)
if not rules then return false end
-- List of nodes that send out power to pos
local sourcepos = {}
if not rule then
for _, rule in ipairs(mesecon.flattenrules(rules)) do
local rulenames = mesecon.rules_link_rule_all_inverted(pos, rule)
for _, rname in ipairs(rulenames) do
local np = vector.add(pos, rname)
local nn = mesecon.get_node_force(np)
if (mesecon.is_conductor_on(nn, mesecon.invertRule(rname))
or mesecon.is_receptor_on(nn.name)) then
table.insert(sourcepos, np)
end
end
end
else
local rulenames = mesecon.rules_link_rule_all_inverted(pos, rule)
for _, rname in ipairs(rulenames) do
local np = vector.add(pos, rname)
local nn = mesecon.get_node_force(np)
if (mesecon.is_conductor_on (nn, mesecon.invertRule(rname))
or mesecon.is_receptor_on (nn.name)) then
table.insert(sourcepos, np)
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
if mesecon:rules_link(np, pos) then
if mesecon:find_receptor_on(np, {}) then
return true
end
end
end
-- Return FALSE if not powered, return list of sources if is powered
if (#sourcepos == 0) then return false
else return sourcepos end
return false
end
function mesecon:find_receptor_on(pos, checked)
-- find out if node has already been checked (to prevent from endless loop)
for _, cp in ipairs(checked) do
if mesecon:cmpPos(cp, pos) then
return false, checked
end
end
-- add current position to checked
table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
local node = minetest.env:get_node(pos)
if mesecon:is_receptor_on(node.name) then
return true
end
if mesecon:is_conductor(node.name) then
local rules = mesecon:conductor_get_rules(node)
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
if mesecon:rules_link(np, pos) then
if mesecon:find_receptor_on(np, checked) then
return true
end
end
end
end
return false
end
function mesecon:rules_link(output, input, dug_outputrules) --output/input are positions (outputrules optional, used if node has been dug), second return value: the name of the affected input rule
local outputnode = minetest.env:get_node(output)
local inputnode = minetest.env:get_node(input)
local outputrules = dug_outputrules or mesecon:get_any_outputrules (outputnode)
local inputrules = mesecon:get_any_inputrules (inputnode)
if not outputrules or not inputrules then
return
end
for _, outputrule in ipairs(outputrules) do
-- Check if output sends to input
if mesecon:cmpPos(mesecon:addPosRule(output, outputrule), input) then
for _, inputrule in ipairs(inputrules) do
-- Check if input accepts from output
if mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
return true, inputrule.name
end
end
end
end
return false
end
function mesecon:rules_link_anydir(pos1, pos2)
return mesecon:rules_link(pos1, pos2) or mesecon:rules_link(pos2, pos1)
end
function mesecon:is_powered(pos)
local node = minetest.env:get_node(pos)
local rules = mesecon:get_any_inputrules(node)
if not rules then return false end
for _, rule in ipairs(rules) do
local np = mesecon:addPosRule(pos, rule)
local nn = minetest.env:get_node(np)
if (mesecon:is_conductor_on (nn.name) or mesecon:is_receptor_on (nn.name))
and mesecon:rules_link(np, pos) then
return true
end
end
return false
end
--Rules rotation Functions:
function mesecon:rotate_rules_right(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = -rule.z,
y = rule.y,
z = rule.x})
end
return nr
end
function mesecon:rotate_rules_left(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = rule.z,
y = rule.y,
z = -rule.x})
end
return nr
end
function mesecon:rotate_rules_down(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = -rule.y,
y = rule.x,
z = rule.z})
end
return nr
end
function mesecon:rotate_rules_up(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = rule.y,
y = -rule.x,
z = rule.z})
end
return nr
end

14
mesecons/legacy.lua
View File

@ -1,14 +0,0 @@
-- Un-forceload any forceloaded mapblocks from older versions of Mesecons which
-- used forceloading instead of VoxelManipulators.
local BLOCKSIZE = 16
-- convert block hash --> node position
local function unhash_blockpos(hash)
return vector.multiply(minetest.get_position_from_hash(hash), BLOCKSIZE)
end
local old_forceloaded_blocks = mesecon.file2table("mesecon_forceloaded")
for hash, _ in pairs(old_forceloaded_blocks) do
minetest.forceload_free_block(unhash_blockpos(hash))
end
os.remove(minetest.get_worldpath()..DIR_DELIM.."mesecon_forceloaded")

8
mesecons/oldwires.lua
View File

@ -4,7 +4,7 @@ minetest.register_node("mesecons:mesecon_off", {
inventory_image = "jeija_mesecon_off.png",
wield_image = "jeija_mesecon_off.png",
paramtype = "light",
is_ground_content = false,
is_ground_content = true,
walkable = false,
selection_box = {
type = "fixed",
@ -22,15 +22,15 @@ minetest.register_node("mesecons:mesecon_on", {
drawtype = "raillike",
tiles = {"jeija_mesecon_on.png", "jeija_mesecon_curved_on.png", "jeija_mesecon_t_junction_on.png", "jeija_mesecon_crossing_on.png"},
paramtype = "light",
is_ground_content = false,
is_ground_content = true,
walkable = false,
selection_box = {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, -0.45, 0.5},
},
groups = {dig_immediate=3, not_in_creaive_inventory=1, mesecon=1},
drop = "mesecons:mesecon_off 1",
light_source = default.LIGHT_MAX-11,
drop = '"mesecons:mesecon_off" 1',
light_source = LIGHT_MAX-11,
mesecons = {conductor={
state = mesecon.state.on,
offstate = "mesecons:mesecon_off"

107
mesecons/presets.lua
View File

@ -1,85 +1,44 @@
mesecon.rules = {}
mesecon.state = {}
mesecon.rules.default = {
{x = 0, y = 0, z = -1},
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
mesecon.rules.default =
{{x=0, y=0, z=-1},
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=1, y=1, z=0},
{x=1, y=-1, z=0},
{x=-1, y=1, z=0},
{x=-1, y=-1, z=0},
{x=0, y=1, z=1},
{x=0, y=-1, z=1},
{x=0, y=1, z=-1},
{x=0, y=-1, z=-1}}
mesecon.rules.buttonlike =
{{x = 1, y = 0, z = 0},
{x = 1, y = 1, z = 0},
{x = 1, y = -1, z = 0},
{x = -1, y = 1, z = 0},
{x = -1, y = -1, z = 0},
{x = 0, y = 1, z = 1},
{x = 0, y = -1, z = 1},
{x = 0, y = 1, z = -1},
{x = 0, y = -1, z = -1},
}
{x = 1, y =-1, z = 0},
{x = 1, y =-1, z = 1},
{x = 1, y =-1, z =-1},
{x = 2, y = 0, z = 0}}
mesecon.rules.floor = mesecon.mergetable(mesecon.rules.default, {{x = 0, y = -1, z = 0}})
mesecon.rules.pplate = mesecon.mergetable(mesecon.rules.floor, {{x = 0, y = -2, z = 0}})
mesecon.rules.buttonlike = {
{x = 1, y = 0, z = 0},
{x = 1, y = 1, z = 0},
{x = 1, y = -1, z = 0},
{x = 1, y = -1, z = 1},
{x = 1, y = -1, z = -1},
{x = 2, y = 0, z = 0},
}
mesecon.rules.flat = {
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
mesecon.rules.flat =
{{x = 1, y = 0, z = 0},
{x =-1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z = -1},
}
mesecon.rules.alldirs = {
{x = 1, y = 0, z = 0},
{x = -1, y = 0, z = 0},
{x = 0, y = 1, z = 0},
{x = 0, y = -1, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z = -1},
}
local rules_wallmounted = {
xp = mesecon.rotate_rules_down(mesecon.rules.floor),
xn = mesecon.rotate_rules_up(mesecon.rules.floor),
yp = mesecon.rotate_rules_up(mesecon.rotate_rules_up(mesecon.rules.floor)),
yn = mesecon.rules.floor,
zp = mesecon.rotate_rules_left(mesecon.rotate_rules_up(mesecon.rules.floor)),
zn = mesecon.rotate_rules_right(mesecon.rotate_rules_up(mesecon.rules.floor)),
}
local rules_buttonlike = {
xp = mesecon.rules.buttonlike,
xn = mesecon.rotate_rules_right(mesecon.rotate_rules_right(mesecon.rules.buttonlike)),
yp = mesecon.rotate_rules_down(mesecon.rules.buttonlike),
yn = mesecon.rotate_rules_up(mesecon.rules.buttonlike),
zp = mesecon.rotate_rules_right(mesecon.rules.buttonlike),
zn = mesecon.rotate_rules_left(mesecon.rules.buttonlike),
}
local function rules_from_dir(ruleset, dir)
if dir.x == 1 then return ruleset.xp end
if dir.y == 1 then return ruleset.yp end
if dir.z == 1 then return ruleset.zp end
if dir.x == -1 then return ruleset.xn end
if dir.y == -1 then return ruleset.yn end
if dir.z == -1 then return ruleset.zn end
end
mesecon.rules.wallmounted_get = function(node)
local dir = minetest.wallmounted_to_dir(node.param2)
return rules_from_dir(rules_wallmounted, dir)
end
{x = 0, y = 0, z =-1}}
mesecon.rules.buttonlike_get = function(node)
local dir = minetest.facedir_to_dir(node.param2)
return rules_from_dir(rules_buttonlike, dir)
local rules = mesecon.rules.buttonlike
if node.param2 == 2 then
rules=mesecon:rotate_rules_left(rules)
elseif node.param2 == 3 then
rules=mesecon:rotate_rules_right(mesecon:rotate_rules_right(rules))
elseif node.param2 == 0 then
rules=mesecon:rotate_rules_right(rules)
end
return rules
end
mesecon.state.on = "on"

144
mesecons/services.lua
View File

@ -1,136 +1,28 @@
-- Dig and place services
mesecon.on_placenode = function(pos, node)
mesecon.execute_autoconnect_hooks_now(pos, node)
-- Receptors: Send on signal when active
if mesecon.is_receptor_on(node.name) then
mesecon.receptor_on(pos, mesecon.receptor_get_rules(node))
end
-- Conductors: Send turnon signal when powered or replace by respective offstate conductor
-- if placed conductor is an onstate one
if mesecon.is_conductor(node.name) then
local sources = mesecon.is_powered(pos)
if sources then
-- also call receptor_on if itself is powered already, so that neighboring
-- conductors will be activated (when pushing an on-conductor with a piston)
for _, s in ipairs(sources) do
local rule = vector.subtract(pos, s)
mesecon.turnon(pos, rule)
end
--mesecon.receptor_on (pos, mesecon.conductor_get_rules(node))
elseif mesecon.is_conductor_on(node) then
node.name = mesecon.get_conductor_off(node)
minetest.swap_node(pos, node)
end
end
-- Effectors: Send changesignal and activate or deactivate
if mesecon.is_effector(node.name) then
local powered_rules = {}
local unpowered_rules = {}
-- for each input rule, check if powered
for _, r in ipairs(mesecon.effector_get_rules(node)) do
local powered = mesecon.is_powered(pos, r)
if powered then table.insert(powered_rules, r)
else table.insert(unpowered_rules, r) end
local state = powered and mesecon.state.on or mesecon.state.off
mesecon.changesignal(pos, node, r, state, 1)
end
if (#powered_rules > 0) then
for _, r in ipairs(powered_rules) do
mesecon.activate(pos, node, r, 1)
end
mesecon.on_placenode = function (pos, node)
if mesecon:is_receptor_on(node.name) then
mesecon:receptor_on(pos, mesecon:receptor_get_rules(node))
elseif mesecon:is_powered(pos) then
if mesecon:is_conductor(node.name) then
mesecon:turnon (pos)
mesecon:receptor_on (pos, mesecon:conductor_get_rules(node))
else
for _, r in ipairs(unpowered_rules) do
mesecon.deactivate(pos, node, r, 1)
end
mesecon:changesignal(pos, node)
mesecon:activate(pos, node)
end
elseif mesecon:is_conductor_on(node.name) then
mesecon:swap_node(pos, mesecon:get_conductor_off(node.name))
elseif mesecon:is_effector_on (node.name) then
mesecon:deactivate(pos, node)
end
end
mesecon.on_dignode = function(pos, node)
if mesecon.is_conductor_on(node) then
mesecon.receptor_off(pos, mesecon.conductor_get_rules(node))
elseif mesecon.is_receptor_on(node.name) then
mesecon.receptor_off(pos, mesecon.receptor_get_rules(node))
mesecon.on_dignode = function (pos, node)
if mesecon:is_conductor_on(node.name) then
mesecon:receptor_off(pos, mesecon:conductor_get_rules(node))
elseif mesecon:is_receptor_on(node.name) then
mesecon:receptor_off(pos, mesecon:receptor_get_rules(node))
end
mesecon.execute_autoconnect_hooks_queue(pos, node)
end
function mesecon.on_blastnode(pos, intensity)
local node = minetest.get_node(pos)
minetest.remove_node(pos)
mesecon.on_dignode(pos, node)
return minetest.get_node_drops(node.name, "")
end
minetest.register_on_placenode(mesecon.on_placenode)
minetest.register_on_dignode(mesecon.on_dignode)
-- Overheating service for fast circuits
local OVERHEAT_MAX = mesecon.setting("overheat_max", 20)
local COOLDOWN_TIME = mesecon.setting("cooldown_time", 2.0)
local COOLDOWN_STEP = mesecon.setting("cooldown_granularity", 0.5)
local COOLDOWN_MULTIPLIER = OVERHEAT_MAX / COOLDOWN_TIME
local cooldown_timer = 0.0
local object_heat = {}
-- returns true if heat is too high
function mesecon.do_overheat(pos)
local id = minetest.hash_node_position(pos)
local heat = (object_heat[id] or 0) + 1
object_heat[id] = heat
if heat >= OVERHEAT_MAX then
minetest.log("action", "Node overheats at " .. minetest.pos_to_string(pos))
object_heat[id] = nil
return true
end
return false
end
function mesecon.do_cooldown(pos)
local id = minetest.hash_node_position(pos)
object_heat[id] = nil
end
function mesecon.get_heat(pos)
local id = minetest.hash_node_position(pos)
return object_heat[id] or 0
end
function mesecon.move_hot_nodes(moved_nodes)
local new_heat = {}
for _, n in ipairs(moved_nodes) do
local old_id = minetest.hash_node_position(n.oldpos)
local new_id = minetest.hash_node_position(n.pos)
new_heat[new_id] = object_heat[old_id]
object_heat[old_id] = nil
end
for id, heat in pairs(new_heat) do
object_heat[id] = heat
end
end
local function global_cooldown(dtime)
cooldown_timer = cooldown_timer + dtime
if cooldown_timer < COOLDOWN_STEP then
return -- don't overload the CPU
end
local cooldown = COOLDOWN_MULTIPLIER * cooldown_timer
cooldown_timer = 0
for id, heat in pairs(object_heat) do
heat = heat - cooldown
if heat <= 0 then
object_heat[id] = nil -- free some RAM
else
object_heat[id] = heat
end
end
end
minetest.register_globalstep(global_cooldown)

20
mesecons/settings.lua
View File

@ -1,15 +1,7 @@
-- SETTINGS
function mesecon.setting(setting, default)
if type(default) == "boolean" then
local read = minetest.settings:get_bool("mesecon."..setting)
if read == nil then
return default
else
return read
end
elseif type(default) == "string" then
return minetest.settings:get("mesecon."..setting) or default
elseif type(default) == "number" then
return tonumber(minetest.settings:get("mesecon."..setting) or default)
end
end
BLINKY_PLANT_INTERVAL = 3
NEW_STYLE_WIRES = true -- true = new nodebox wires, false = old raillike wires
PRESSURE_PLATE_INTERVAL = 0.1
OBJECT_DETECTOR_RADIUS = 6
PISTON_MAXIMUM_PUSH = 15
MOVESTONE_MAXIMUM_PUSH = 100

449
mesecons/util.lua
View File

@ -1,441 +1,24 @@
function mesecon.move_node(pos, newpos)
local node = minetest.get_node(pos)
local meta = minetest.get_meta(pos):to_table()
minetest.remove_node(pos)
minetest.set_node(newpos, node)
minetest.get_meta(pos):from_table(meta)
end
-- Rules rotation Functions:
function mesecon.rotate_rules_right(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = -rule.z,
y = rule.y,
z = rule.x,
name = rule.name})
end
return nr
end
function mesecon.rotate_rules_left(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = rule.z,
y = rule.y,
z = -rule.x,
name = rule.name})
end
return nr
end
function mesecon.rotate_rules_down(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = -rule.y,
y = rule.x,
z = rule.z,
name = rule.name})
end
return nr
end
function mesecon.rotate_rules_up(rules)
local nr = {}
for i, rule in ipairs(rules) do
table.insert(nr, {
x = rule.y,
y = -rule.x,
z = rule.z,
name = rule.name})
end
return nr
end
--
function mesecon.flattenrules(allrules)
--[[
{
{
{xyz},
{xyz},
},
{
{xyz},
{xyz},
},
}
--]]
if allrules[1] and
allrules[1].x then
return allrules
end
local shallowrules = {}
for _, metarule in ipairs( allrules) do
for _, rule in ipairs(metarule ) do
table.insert(shallowrules, rule)
end
end
return shallowrules
--[[
{
{xyz},
{xyz},
{xyz},
{xyz},
}
--]]
end
function mesecon.rule2bit(findrule, allrules)
--get the bit of the metarule the rule is in, or bit 1
if (allrules[1] and
allrules[1].x) or
not findrule then
return 1
end
for m,metarule in ipairs( allrules) do
for _, rule in ipairs(metarule ) do
if vector.equals(findrule, rule) then
return m
end
end
end
end
function mesecon.rule2metaindex(findrule, allrules)
--get the metarule the rule is in, or allrules
if allrules[1].x then
return nil
end
if not(findrule) then
return mesecon.flattenrules(allrules)
end
for m, metarule in ipairs( allrules) do
for _, rule in ipairs(metarule ) do
if vector.equals(findrule, rule) then
return m
end
end
end
end
function mesecon.rule2meta(findrule, allrules)
if #allrules == 0 then return {} end
local index = mesecon.rule2metaindex(findrule, allrules)
if index == nil then
if allrules[1].x then
return allrules
else
return {}
end
end
return allrules[index]
end
function mesecon.dec2bin(n)
local x, y = math.floor(n / 2), n % 2
if (n > 1) then
return mesecon.dec2bin(x)..y
else
return ""..y
end
end
function mesecon.getstate(nodename, states)
for state, name in ipairs(states) do
if name == nodename then
return state
end
end
error(nodename.." doesn't mention itself in "..dump(states))
end
function mesecon.getbinstate(nodename, states)
return mesecon.dec2bin(mesecon.getstate(nodename, states)-1)
end
function mesecon.get_bit(binary,bit)
bit = bit or 1
local c = binary:len()-(bit-1)
return binary:sub(c,c) == "1"
end
function mesecon.set_bit(binary,bit,value)
if value == "1" then
if not mesecon.get_bit(binary,bit) then
return mesecon.dec2bin(tonumber(binary,2)+math.pow(2,bit-1))
end
elseif value == "0" then
if mesecon.get_bit(binary,bit) then
return mesecon.dec2bin(tonumber(binary,2)-math.pow(2,bit-1))
end
end
return binary
end
function mesecon.invertRule(r)
return vector.multiply(r, -1)
end
function mesecon.tablecopy(table) -- deep table copy
if type(table) ~= "table" then return table end -- no need to copy
local newtable = {}
for idx, item in pairs(table) do
if type(item) == "table" then
newtable[idx] = mesecon.tablecopy(item)
else
newtable[idx] = item
end
end
return newtable
end
function mesecon.cmpAny(t1, t2)
if type(t1) ~= type(t2) then return false end
if type(t1) ~= "table" and type(t2) ~= "table" then return t1 == t2 end
for i, e in pairs(t1) do
if not mesecon.cmpAny(e, t2[i]) then return false end
end
return true
end
-- does not overwrite values; number keys (ipairs) are appended, not overwritten
function mesecon.mergetable(source, dest)
local rval = mesecon.tablecopy(dest)
for k, v in pairs(source) do
rval[k] = dest[k] or mesecon.tablecopy(v)
end
for i, v in ipairs(source) do
table.insert(rval, mesecon.tablecopy(v))
end
return rval
end
function mesecon.register_node(name, spec_common, spec_off, spec_on)
spec_common.drop = spec_common.drop or name .. "_off"
spec_common.on_blast = spec_common.on_blast or mesecon.on_blastnode
spec_common.__mesecon_basename = name
spec_on.__mesecon_state = "on"
spec_off.__mesecon_state = "off"
spec_on = mesecon.mergetable(spec_common, spec_on);
spec_off = mesecon.mergetable(spec_common, spec_off);
minetest.register_node(name .. "_on", spec_on)
minetest.register_node(name .. "_off", spec_off)
end
-- swap onstate and offstate nodes, returns new state
function mesecon.flipstate(pos, node)
local nodedef = minetest.registered_nodes[node.name]
local newstate
if (nodedef.__mesecon_state == "on") then newstate = "off" end
if (nodedef.__mesecon_state == "off") then newstate = "on" end
minetest.swap_node(pos, {name = nodedef.__mesecon_basename .. "_" .. newstate,
param2 = node.param2})
return newstate
end
-- File writing / reading utilities
local wpath = minetest.get_worldpath()
function mesecon.file2table(filename)
local f = io.open(wpath..DIR_DELIM..filename, "r")
if f == nil then return {} end
local t = f:read("*all")
f:close()
if t == "" or t == nil then return {} end
return minetest.deserialize(t)
end
function mesecon.table2file(filename, table)
local f = io.open(wpath..DIR_DELIM..filename, "w")
f:write(minetest.serialize(table))
f:close()
end
-- Block position "hashing" (convert to integer) functions for voxelmanip cache
local BLOCKSIZE = 16
-- convert node position --> block hash
local function hash_blockpos(pos)
return minetest.hash_node_position({
x = math.floor(pos.x/BLOCKSIZE),
y = math.floor(pos.y/BLOCKSIZE),
z = math.floor(pos.z/BLOCKSIZE)
})
end
-- Maps from a hashed mapblock position (as returned by hash_blockpos) to a
-- table.
--
-- Contents of the table are:
-- “vm” → the VoxelManipulator
-- “va” → the VoxelArea
-- “data” → the data array
-- “param1” → the param1 array
-- “param2” → the param2 array
-- “dirty” → true if data has been modified
--
-- Nil if no VM-based transaction is in progress.
local vm_cache = nil
-- Starts a VoxelManipulator-based transaction.
--
-- During a VM transaction, calls to vm_get_node and vm_swap_node operate on a
-- cached copy of the world loaded via VoxelManipulators. That cache can later
-- be committed to the real map by means of vm_commit or discarded by means of
-- vm_abort.
function mesecon.vm_begin()
vm_cache = {}
end
-- Finishes a VoxelManipulator-based transaction, freeing the VMs and map data
-- and writing back any modified areas.
function mesecon.vm_commit()
for hash, tbl in pairs(vm_cache) do
if tbl.dirty then
local vm = tbl.vm
vm:set_data(tbl.data)
vm:write_to_map()
vm:update_map()
end
end
vm_cache = nil
end
-- Finishes a VoxelManipulator-based transaction, freeing the VMs and throwing
-- away any modified areas.
function mesecon.vm_abort()
vm_cache = nil
end
-- Gets the cache entry covering a position, populating it if necessary.
local function vm_get_or_create_entry(pos)
local hash = hash_blockpos(pos)
local tbl = vm_cache[hash]
if not tbl then
local vm = minetest.get_voxel_manip(pos, pos)
local min_pos, max_pos = vm:get_emerged_area()
local va = VoxelArea:new{MinEdge = min_pos, MaxEdge = max_pos}
tbl = {vm = vm, va = va, data = vm:get_data(), param1 = vm:get_light_data(), param2 = vm:get_param2_data(), dirty = false}
vm_cache[hash] = tbl
end
return tbl
end
-- Gets the node at a given position during a VoxelManipulator-based
-- transaction.
function mesecon.vm_get_node(pos)
local tbl = vm_get_or_create_entry(pos)
local index = tbl.va:indexp(pos)
local node_value = tbl.data[index]
if node_value == core.CONTENT_IGNORE then
return nil
else
local node_param1 = tbl.param1[index]
local node_param2 = tbl.param2[index]
return {name = minetest.get_name_from_content_id(node_value), param1 = node_param1, param2 = node_param2}
end
end
-- Sets a node’s name during a VoxelManipulator-based transaction.
--
-- Existing param1, param2, and metadata are left alone.
function mesecon.vm_swap_node(pos, name)
local tbl = vm_get_or_create_entry(pos)
local index = tbl.va:indexp(pos)
tbl.data[index] = minetest.get_content_id(name)
tbl.dirty = true
end
-- Gets the node at a given position, regardless of whether it is loaded or
-- not, respecting a transaction if one is in progress.
--
-- Outside a VM transaction, if the mapblock is not loaded, it is pulled into
-- the server’s main map data cache and then accessed from there.
--
-- Inside a VM transaction, the transaction’s VM cache is used.
function mesecon.get_node_force(pos)
if vm_cache then
return mesecon.vm_get_node(pos)
else
local node = minetest.get_node_or_nil(pos)
if node == nil then
-- Node is not currently loaded; use a VoxelManipulator to prime
-- the mapblock cache and try again.
minetest.get_voxel_manip(pos, pos)
node = minetest.get_node_or_nil(pos)
end
return node
end
end
-- Swaps the node at a given position, regardless of whether it is loaded or
-- not, respecting a transaction if one is in progress.
--
-- Outside a VM transaction, if the mapblock is not loaded, it is pulled into
-- the server’s main map data cache and then accessed from there.
--
-- Inside a VM transaction, the transaction’s VM cache is used.
--
-- This function can only be used to change the node’s name, not its parameters
-- or metadata.
function mesecon.swap_node_force(pos, name)
if vm_cache then
return mesecon.vm_swap_node(pos, name)
else
-- This serves to both ensure the mapblock is loaded and also hand us
-- the old node table so we can preserve param2.
local node = mesecon.get_node_force(pos)
function mesecon:swap_node(pos, name)
local node = minetest.env:get_node(pos)
local data = minetest.env:get_meta(pos):to_table()
node.name = name
minetest.swap_node(pos, node)
end
minetest.env:add_node(pos, node)
minetest.env:get_meta(pos):from_table(data)
end
-- Autoconnect Hooks
-- Nodes like conductors may change their appearance and their connection rules
-- right after being placed or after being dug, e.g. the default wires use this
-- to automatically connect to linking nodes after placement.
-- After placement, the update function will be executed immediately so that the
-- possibly changed rules can be taken into account when recalculating the circuit.
-- After digging, the update function will be queued and executed after
-- recalculating the circuit. The update function must take care of updating the
-- node at the given position itself, but also all of the other nodes the given
-- position may have (had) a linking connection to.
mesecon.autoconnect_hooks = {}
-- name: A unique name for the hook, e.g. "foowire". Used to name the actionqueue function.
-- fct: The update function with parameters function(pos, node)
function mesecon.register_autoconnect_hook(name, fct)
mesecon.autoconnect_hooks[name] = fct
mesecon.queue:add_function("autoconnect_hook_"..name, fct)
function mesecon:move_node(pos, newpos)
local node = minetest.env:get_node(pos)
local meta = minetest.env:get_meta(pos):to_table()
minetest.env:remove_node(pos)
minetest.env:add_node(newpos, node)
minetest.env:get_meta(pos):from_table(meta)
end
function mesecon.execute_autoconnect_hooks_now(pos, node)
for _, fct in pairs(mesecon.autoconnect_hooks) do
fct(pos, node)
end
function mesecon:addPosRule(p, r)
return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z}
end
function mesecon.execute_autoconnect_hooks_queue(pos, node)
for name in pairs(mesecon.autoconnect_hooks) do
mesecon.queue:add_action(pos, "autoconnect_hook_"..name, {node})
end
function mesecon:cmpPos(p1, p2)
return (p1.x == p2.x and p1.y == p2.y and p1.z == p2.z)
end

281
mesecons/wires.lua Normal file
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@ -0,0 +1,281 @@
-- naming scheme: wire:(xp)(zp)(xm)(zm)_on/off
-- The conditions in brackets define whether there is a mesecon at that place or not
-- 1 = there is one; 0 = there is none
-- y always means y+
box_center = {-1/16, -.5, -1/16, 1/16, -.5+1/16, 1/16}
box_bump1 = { -2/16, -8/16, -2/16, 2/16, -13/32, 2/16 }
box_xp = {1/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
box_zp = {-1/16, -.5, 1/16, 1/16, -.5+1/16, 8/16}
box_xm = {-8/16, -.5, -1/16, -1/16, -.5+1/16, 1/16}
box_zm = {-1/16, -.5, -8/16, 1/16, -.5+1/16, -1/16}
box_xpy = {.5-1/16, -.5+1/16, -1/16, .5, .4999+1/16, 1/16}
box_zpy = {-1/16, -.5+1/16, .5-1/16, 1/16, .4999+1/16, .5}
box_xmy = {-.5, -.5+1/16, -1/16, -.5+1/16, .4999+1/16, 1/16}
box_zmy = {-1/16, -.5+1/16, -.5, 1/16, .4999+1/16, -.5+1/16}
-- Registering the wires
for xp=0, 1 do
for zp=0, 1 do
for xm=0, 1 do
for zm=0, 1 do
for xpy=0, 1 do
for zpy=0, 1 do
for xmy=0, 1 do
for zmy=0, 1 do
if (xpy == 1 and xp == 0) or (zpy == 1 and zp == 0)
or (xmy == 1 and xm == 0) or (zmy == 1 and zm == 0) then break end
local groups
local nodeid = tostring(xp )..tostring(zp )..tostring(xm )..tostring(zm )..
tostring(xpy)..tostring(zpy)..tostring(xmy)..tostring(zmy)
if nodeid == "00000000" then
groups = {dig_immediate = 3, mesecon_conductor_craftable=1}
wiredesc = "Mesecon"
else
groups = {dig_immediate = 3, not_in_creative_inventory = 1}
wiredesc = "Mesecons Wire (ID: "..nodeid..")"
end
local nodebox = {}
local adjx = false
local adjz = false
if xp == 1 then table.insert(nodebox, box_xp) adjx = true end
if zp == 1 then table.insert(nodebox, box_zp) adjz = true end
if xm == 1 then table.insert(nodebox, box_xm) adjx = true end
if zm == 1 then table.insert(nodebox, box_zm) adjz = true end
if xpy == 1 then table.insert(nodebox, box_xpy) end
if zpy == 1 then table.insert(nodebox, box_zpy) end
if xmy == 1 then table.insert(nodebox, box_xmy) end
if zmy == 1 then table.insert(nodebox, box_zmy) end
if adjx and adjz and (xp + zp + xm + zm > 2) then
table.insert(nodebox, box_bump1)
tiles_off = {
"wires_bump_off.png",
"wires_bump_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png"
}
tiles_on = {
"wires_bump_on.png",
"wires_bump_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png"
}
else
table.insert(nodebox, box_center)
tiles_off = {
"wires_off.png",
"wires_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png",
"wires_vertical_off.png"
}
tiles_on = {
"wires_on.png",
"wires_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png",
"wires_vertical_on.png"
}
end
if nodeid == "00000000" then
nodebox = {-8/16, -.5, -1/16, 8/16, -.5+1/16, 1/16}
end
minetest.register_node("mesecons:wire_"..nodeid.."_off", {
description = wiredesc,
drawtype = "nodebox",
tiles = tiles_off,
-- inventory_image = "wires_inv.png",
-- wield_image = "wires_inv.png",
inventory_image = "jeija_mesecon_off.png",
wield_image = "jeija_mesecon_off.png",
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
selection_box = {
type = "fixed",
fixed = {-.5, -.5, -.5, .5, -.5+1/16, .5}
},
node_box = {
type = "fixed",
fixed = nodebox
},
groups = groups,
walkable = false,
stack_max = 99,
drop = "mesecons:wire_00000000_off",
mesecons = {conductor={
state = mesecon.state.off,
onstate = "mesecons:wire_"..nodeid.."_on"
}}
})
minetest.register_node("mesecons:wire_"..nodeid.."_on", {
description = "Wire ID:"..nodeid,
drawtype = "nodebox",
tiles = tiles_on,
-- inventory_image = "wires_inv.png",
-- wield_image = "wires_inv.png",
inventory_image = "jeija_mesecon_off.png",
wield_image = "jeija_mesecon_off.png",
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
selection_box = {
type = "fixed",
fixed = {-.5, -.5, -.5, .5, -.5+1/16, .5}
},
node_box = {
type = "fixed",
fixed = nodebox
},
groups = {dig_immediate = 3, mesecon = 2, not_in_creative_inventory = 1},
walkable = false,
stack_max = 99,
drop = "mesecons:wire_00000000_off",
mesecons = {conductor={
state = mesecon.state.on,
offstate = "mesecons:wire_"..nodeid.."_off"
}}
})
end
end
end
end
end
end
end
end
-- Updating the wires:
-- Place the right connection wire
local update_on_place_dig = function (pos, node)
if minetest.registered_nodes[node.name]
and minetest.registered_nodes[node.name].mesecons then
mesecon:update_autoconnect(pos)
end
end
minetest.register_on_placenode(update_on_place_dig)
minetest.register_on_dignode(update_on_place_dig)
function mesecon:update_autoconnect(pos, secondcall, replace_old)
local xppos = {x=pos.x+1, y=pos.y, z=pos.z}
local zppos = {x=pos.x, y=pos.y, z=pos.z+1}
local xmpos = {x=pos.x-1, y=pos.y, z=pos.z}
local zmpos = {x=pos.x, y=pos.y, z=pos.z-1}
local xpympos = {x=pos.x+1, y=pos.y-1, z=pos.z}
local zpympos = {x=pos.x, y=pos.y-1, z=pos.z+1}
local xmympos = {x=pos.x-1, y=pos.y-1, z=pos.z}
local zmympos = {x=pos.x, y=pos.y-1, z=pos.z-1}
local xpypos = {x=pos.x+1, y=pos.y+1, z=pos.z}
local zpypos = {x=pos.x, y=pos.y+1, z=pos.z+1}
local xmypos = {x=pos.x-1, y=pos.y+1, z=pos.z}
local zmypos = {x=pos.x, y=pos.y+1, z=pos.z-1}
if secondcall == nil then
mesecon:update_autoconnect(xppos, true)
mesecon:update_autoconnect(zppos, true)
mesecon:update_autoconnect(xmpos, true)
mesecon:update_autoconnect(zmpos, true)
mesecon:update_autoconnect(xpypos, true)
mesecon:update_autoconnect(zpypos, true)
mesecon:update_autoconnect(xmypos, true)
mesecon:update_autoconnect(zmypos, true)
mesecon:update_autoconnect(xpympos, true)
mesecon:update_autoconnect(zpympos, true)
mesecon:update_autoconnect(xmympos, true)
mesecon:update_autoconnect(zmympos, true)
end
nodename = minetest.env:get_node(pos).name
if string.find(nodename, "mesecons:wire_") == nil and not replace_old then return nil end
if mesecon:rules_link_anydir(pos, xppos) then xp = 1 else xp = 0 end
if mesecon:rules_link_anydir(pos, xmpos) then xm = 1 else xm = 0 end
if mesecon:rules_link_anydir(pos, zppos) then zp = 1 else zp = 0 end
if mesecon:rules_link_anydir(pos, zmpos) then zm = 1 else zm = 0 end
if mesecon:rules_link_anydir(pos, xpympos) then xp = 1 end
if mesecon:rules_link_anydir(pos, xmympos) then xm = 1 end
if mesecon:rules_link_anydir(pos, zpympos) then zp = 1 end
if mesecon:rules_link_anydir(pos, zmympos) then zm = 1 end
if mesecon:rules_link_anydir(pos, xpypos) then xpy = 1 else xpy = 0 end
if mesecon:rules_link_anydir(pos, zpypos) then zpy = 1 else zpy = 0 end
if mesecon:rules_link_anydir(pos, xmypos) then xmy = 1 else xmy = 0 end
if mesecon:rules_link_anydir(pos, zmypos) then zmy = 1 else zmy = 0 end
if xpy == 1 then xp = 1 end
if zpy == 1 then zp = 1 end
if xmy == 1 then xm = 1 end
if zmy == 1 then zm = 1 end
local nodeid = tostring(xp )..tostring(zp )..tostring(xm )..tostring(zm )..
tostring(xpy)..tostring(zpy)..tostring(xmy)..tostring(zmy)
if string.find(nodename, "_off") ~= nil then
minetest.env:set_node(pos, {name = "mesecons:wire_"..nodeid.."_off"})
else
minetest.env:set_node(pos, {name = "mesecons:wire_"..nodeid.."_on" })
end
end
if minetest.registered_nodes["default:stone_with_mese"] == nil then
minetest.register_craft({
output = "mesecons:wire_00000000_off 18",
recipe = {
{"default:mese"},
}
})
else
minetest.register_craft({
type = "cooking",
output = "mesecons:wire_00000000_off 2",
recipe = "default:mese_crystal_fragment",
cooktime = 3,
})
minetest.register_craft({
type = "cooking",
output = "mesecons:wire_00000000_off 18",
recipe = "default:mese_crystal",
cooktime = 15,
})
minetest.register_craft({
type = "cooking",
output = "mesecons:wire_00000000_off 162",
recipe = "default:mese",
cooktime = 30,
})
end
minetest.register_craft({
type = "cooking",
output = '"mesecons:wire_00000000_off" 16',
recipe = "default:mese_crystal",
})

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mesecons_blinkyplant/doc/blinkyplant/description.html
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@ -1 +0,0 @@
The blinky plants toggles between on and off state every three seconds. Can be used to make clocks. Also works after having restarted the game.

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96
mesecons_blinkyplant/init.lua
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@ -1,52 +1,74 @@
-- The BLINKY_PLANT
local toggle_timer = function (pos)
local timer = minetest.get_node_timer(pos)
if timer:is_started() then
timer:stop()
else
timer:start(mesecon.setting("blinky_plant_interval", 3))
end
end
local on_timer = function (pos)
local node = minetest.get_node(pos)
if(mesecon.flipstate(pos, node) == "on") then
mesecon.receptor_on(pos)
else
mesecon.receptor_off(pos)
end
toggle_timer(pos)
end
mesecon.register_node("mesecons_blinkyplant:blinky_plant", {
description="Blinky Plant",
minetest.register_node("mesecons_blinkyplant:blinky_plant_off", {
drawtype = "plantlike",
visual_scale = 1,
tiles = {"jeija_blinky_plant_off.png"},
inventory_image = "jeija_blinky_plant_off.png",
paramtype = "light",
is_ground_content = false,
walkable = false,
groups = {dig_immediate=3, mesecon = 2},
description="Blinky Plant",
sounds = default.node_sound_leaves_defaults(),
selection_box = {
type = "fixed",
fixed = {-0.3, -0.5, -0.3, 0.3, -0.5+0.7, 0.3},
fixed = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
},
on_timer = on_timer,
on_rightclick = toggle_timer,
on_construct = toggle_timer
},{
tiles = {"jeija_blinky_plant_off.png"},
groups = {dig_immediate=3},
mesecons = {receptor = { state = mesecon.state.off }}
},{
mesecons = {receptor = {
state = mesecon.state.off
}}
})
minetest.register_node("mesecons_blinkyplant:blinky_plant_on", {
drawtype = "plantlike",
visual_scale = 1,
tiles = {"jeija_blinky_plant_on.png"},
groups = {dig_immediate=3, not_in_creative_inventory=1},
mesecons = {receptor = { state = mesecon.state.on }}
inventory_image = "jeija_blinky_plant_off.png",
paramtype = "light",
walkable = false,
groups = {dig_immediate=3, not_in_creative_inventory=1, mesecon = 2},
drop='"mesecons_blinkyplant:blinky_plant_off" 1',
light_source = LIGHT_MAX-7,
description = "Blinky Plant",
sounds = default.node_sound_leaves_defaults(),
selection_box = {
type = "fixed",
fixed = {-0.1, -0.5, -0.1, 0.1, -0.5+0.6, 0.1},
},
mesecons = {receptor = {
state = mesecon.state.on
}}
})
minetest.register_craft({
output = "mesecons_blinkyplant:blinky_plant_off 1",
recipe = { {"","group:mesecon_conductor_craftable",""},
{"","group:mesecon_conductor_craftable",""},
{"group:sapling","group:sapling","group:sapling"}}
output = '"mesecons_blinkyplant:blinky_plant_off" 1',
recipe = {
{'','"group:mesecon_conductor_craftable"',''},
{'','"group:mesecon_conductor_craftable"',''},
{'"default:sapling"','"default:sapling"','"default:sapling"'},
}
})
minetest.register_abm(
{nodenames = {"mesecons_blinkyplant:blinky_plant_off"},
interval = BLINKY_PLANT_INTERVAL,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
--minetest.env:remove_node(pos)
minetest.env:add_node(pos, {name="mesecons_blinkyplant:blinky_plant_on"})
nodeupdate(pos)
mesecon:receptor_on(pos)
end,
})
minetest.register_abm({
nodenames = {"mesecons_blinkyplant:blinky_plant_on"},
interval = BLINKY_PLANT_INTERVAL,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
--minetest.env:remove_node(pos)
minetest.env:add_node(pos, {name="mesecons_blinkyplant:blinky_plant_off"})
nodeupdate(pos)
mesecon:receptor_off(pos)
end,
})

1
mesecons_button/doc/button/description.html
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This receptor can be attached to walls. It turns on for 1 second if it's punched.

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38
mesecons_button/init.lua
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@ -3,14 +3,13 @@
-- and then turns off again
mesecon.button_turnoff = function (pos)
local node = minetest.get_node(pos)
if node.name ~= "mesecons_button:button_on" then -- has been dug
return
end
minetest.swap_node(pos, {name = "mesecons_button:button_off", param2 = node.param2})
minetest.sound_play("mesecons_button_pop", {pos = pos})
local node = minetest.env:get_node(pos)
if node.name=="mesecons_button:button_on" then --has not been dug
mesecon:swap_node(pos, "mesecons_button:button_off")
minetest.sound_play("mesecons_button_pop", {pos=pos})
local rules = mesecon.rules.buttonlike_get(node)
mesecon.receptor_off(pos, rules)
mesecon:receptor_off(pos, rules)
end
end
minetest.register_node("mesecons_button:button_off", {
@ -25,10 +24,8 @@ minetest.register_node("mesecons_button:button_off", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
legacy_wallmounted = true,
walkable = false,
on_rotate = mesecon.buttonlike_onrotate,
sunlight_propagates = true,
selection_box = {
type = "fixed",
@ -43,18 +40,17 @@ minetest.register_node("mesecons_button:button_off", {
},
groups = {dig_immediate=2, mesecon_needs_receiver = 1},
description = "Button",
on_rightclick = function (pos, node)
minetest.swap_node(pos, {name = "mesecons_button:button_on", param2=node.param2})
mesecon.receptor_on(pos, mesecon.rules.buttonlike_get(node))
on_punch = function (pos, node)
mesecon:swap_node(pos, "mesecons_button:button_on")
mesecon:receptor_on(pos, mesecon.rules.buttonlike_get(node))
minetest.sound_play("mesecons_button_push", {pos=pos})
minetest.get_node_timer(pos):start(1)
minetest.after(1, mesecon.button_turnoff, pos)
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {receptor = {
state = mesecon.state.off,
rules = mesecon.rules.buttonlike_get
}},
on_blast = mesecon.on_blastnode,
}}
})
minetest.register_node("mesecons_button:button_on", {
@ -69,11 +65,9 @@ minetest.register_node("mesecons_button:button_on", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
legacy_wallmounted = true,
walkable = false,
on_rotate = false,
light_source = default.LIGHT_MAX-7,
light_source = LIGHT_MAX-7,
sunlight_propagates = true,
selection_box = {
type = "fixed",
@ -93,14 +87,12 @@ minetest.register_node("mesecons_button:button_on", {
mesecons = {receptor = {
state = mesecon.state.on,
rules = mesecon.rules.buttonlike_get
}},
on_timer = mesecon.button_turnoff,
on_blast = mesecon.on_blastnode,
}}
})
minetest.register_craft({
output = "mesecons_button:button_off 2",
output = '"mesecons_button:button_off" 2',
recipe = {
{"group:mesecon_conductor_craftable","default:stone"},
{'"group:mesecon_conductor_craftable"','"default:stone"'},
}
})

1
mesecons_commandblock/doc/commandblock/description.html
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There is no crafting recipe as this should only be available for server admins. Quite similar to the Minecraft counterpart. Executes server commands.

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mesecons_commandblock/init.lua
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@ -16,10 +16,7 @@ minetest.register_chatcommand("tell", {
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
if not minetest.get_player_by_name(target) then
minetest.chat_send_player(name, "Invalid target: " .. target)
end
minetest.chat_send_player(target, name .. " whispers: " .. message, false)
minetest.chat_send_player(target, name .. " whispers: " .. message)
end
})
@ -33,22 +30,20 @@ minetest.register_chatcommand("hp", {
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
local player = minetest.get_player_by_name(target)
if player then
player:set_hp(value)
else
minetest.chat_send_player(name, "Invalid target: " .. target)
end
minetest.get_player_by_name(target):set_hp(value)
end
})
local function initialize_data(meta)
local commands = minetest.formspec_escape(meta:get_string("commands"))
local initialize_data = function(meta, player, command, param)
meta:set_string("formspec",
"invsize[9,5;]" ..
"textarea[0.5,0.5;8.5,4;commands;Commands;"..commands.."]" ..
"label[1,3.8;@nearest, @farthest, and @random are replaced by the respective player names]" ..
"button_exit[3.3,4.5;2,1;submit;Submit]")
"invsize[9,6;]" ..
"field[1,1;7.5,1;player;Player;" .. player .. "]" ..
"button[1.3,2;2,1;nearest;Nearest]" ..
"button[3.3,2;2,1;farthest;Farthest]" ..
"button[5.3,2;2,1;random;Random]" ..
"field[1,4;2,1;command;Command;" .. command .. "]" ..
"field[3,4;5.5,1;param;Parameter;" .. param .. "]" ..
"button_exit[3.3,5;2,1;submit;Submit]")
local owner = meta:get_string("owner")
if owner == "" then
owner = "not owned"
@ -57,156 +52,140 @@ local function initialize_data(meta)
end
meta:set_string("infotext", "Command Block\n" ..
"(" .. owner .. ")\n" ..
"Commands: "..commands)
"Command: /" .. command .. " " .. param)
end
local function construct(pos)
local meta = minetest.get_meta(pos)
local construct = function(pos)
local meta = minetest.env:get_meta(pos)
meta:set_string("commands", "tell @nearest Commandblock unconfigured")
meta:set_string("player", "@nearest")
meta:set_string("command", "time")
meta:set_string("param", "7000")
meta:set_string("owner", "")
initialize_data(meta)
initialize_data(meta, "@nearest", "time", "7000")
end
local function after_place(pos, placer)
local after_place = function(pos, placer)
if placer then
local meta = minetest.get_meta(pos)
local meta = minetest.env:get_meta(pos)
meta:set_string("owner", placer:get_player_name())
initialize_data(meta)
initialize_data(meta, "@nearest", "time", "7000")
end
end
local function receive_fields(pos, formname, fields, sender)
if not fields.submit then
return
end
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if owner ~= "" and sender:get_player_name() ~= owner then
return
end
meta:set_string("commands", fields.commands)
local receive_fields = function(pos, formname, fields, sender)
local meta = minetest.env:get_meta(pos)
if fields.nearest then
initialize_data(meta, "@nearest", fields.command, fields.param)
elseif fields.farthest then
initialize_data(meta, "@farthest", fields.command, fields.param)
elseif fields.random then
initialize_data(meta, "@random", fields.command, fields.param)
else --fields.submit or pressed enter
meta:set_string("player", fields.player)
meta:set_string("command", fields.command)
meta:set_string("param", fields.param)
initialize_data(meta)
initialize_data(meta, fields.player, fields.command, fields.param)
end
end
local function resolve_commands(commands, pos)
local players = minetest.get_connected_players()
-- No players online: remove all commands containing
-- @nearest, @farthest and @random
if #players == 0 then
commands = commands:gsub("[^\r\n]+", function (line)
if line:find("@nearest") then return "" end
if line:find("@farthest") then return "" end
if line:find("@random") then return "" end
return line
end)
return commands
local resolve_player = function(name, pos)
local get_distance = function(pos1, pos2)
return math.sqrt((pos1.x - pos2.x) ^ 2 + (pos1.y - pos2.y) ^ 2 + (pos1.z - pos2.z) ^ 2)
end
local nearest, farthest = nil, nil
local min_distance, max_distance = math.huge, -1
for index, player in pairs(players) do
local distance = vector.distance(pos, player:getpos())
if name == "@nearest" then
local min_distance = math.huge
for index, player in ipairs(minetest.get_connected_players()) do
local distance = get_distance(pos, player:getpos())
if distance < min_distance then
min_distance = distance
nearest = player:get_player_name()
name = player:get_player_name()
end
end
elseif name == "@farthest" then
local max_distance = -1
for index, player in ipairs(minetest.get_connected_players()) do
local distance = get_distance(pos, player:getpos())
if distance > max_distance then
max_distance = distance
farthest = player:get_player_name()
name = player:get_player_name()
end
end
local random = players[math.random(#players)]:get_player_name()
commands = commands:gsub("@nearest", nearest)
commands = commands:gsub("@farthest", farthest)
commands = commands:gsub("@random", random)
return commands
elseif name == "@random" then
local players = minetest.get_connected_players()
local player = players[math.random(#players)]
name = player:get_player_name()
end
return name
end
local function commandblock_action_on(pos, node)
local commandblock_action_on = function(pos, node)
if node.name ~= "mesecons_commandblock:commandblock_off" then
return
end
minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
mesecon:swap_node(pos, "mesecons_commandblock:commandblock_on")
local meta = minetest.get_meta(pos)
local meta = minetest.env:get_meta(pos)
local command = minetest.chatcommands[meta:get_string("command")]
if command == nil then
return
end
local owner = meta:get_string("owner")
if owner == "" then
return
end
local commands = resolve_commands(meta:get_string("commands"), pos)
for _, command in pairs(commands:split("\n")) do
local pos = command:find(" ")
local cmd, param = command, ""
if pos then
cmd = command:sub(1, pos - 1)
param = command:sub(pos + 1)
end
local cmddef = minetest.chatcommands[cmd]
if not cmddef then
minetest.chat_send_player(owner, "The command "..cmd.." does not exist")
return
end
local has_privs, missing_privs = minetest.check_player_privs(owner, cmddef.privs)
local has_privs, missing_privs = minetest.check_player_privs(owner, command.privs)
if not has_privs then
minetest.chat_send_player(owner, "You don't have permission "
.."to run "..cmd
.." (missing privileges: "
..table.concat(missing_privs, ", ")..")")
minetest.chat_send_player(owner, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
return
end
cmddef.func(owner, param)
end
local player = resolve_player(meta:get_string("player"), pos)
command.func(player, meta:get_string("param"))
end
local function commandblock_action_off(pos, node)
local commandblock_action_off = function(pos, node)
if node.name == "mesecons_commandblock:commandblock_on" then
minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_off"})
mesecon:swap_node(pos, "mesecons_commandblock:commandblock_off")
end
end
local function can_dig(pos, player)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
return owner == "" or owner == player:get_player_name()
end
minetest.register_node("mesecons_commandblock:commandblock_off", {
description = "Command Block",
tiles = {"jeija_commandblock_off.png"},
inventory_image = minetest.inventorycube("jeija_commandblock_off.png"),
is_ground_content = false,
groups = {cracky=2, mesecon_effector_off=1},
on_construct = construct,
after_place_node = after_place,
on_receive_fields = receive_fields,
can_dig = can_dig,
can_dig = function(pos,player)
local owner = minetest.env:get_meta(pos):get_string("owner")
return owner == "" or owner == player:get_player_name()
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_on = commandblock_action_on
}},
on_blast = mesecon.on_blastnode,
}}
})
minetest.register_node("mesecons_commandblock:commandblock_on", {
tiles = {"jeija_commandblock_on.png"},
is_ground_content = false,
groups = {cracky=2, mesecon_effector_on=1, not_in_creative_inventory=1},
light_source = 10,
drop = "mesecons_commandblock:commandblock_off",
on_construct = construct,
after_place_node = after_place,
on_receive_fields = receive_fields,
can_dig = can_dig,
can_dig = function(pos,player)
local owner = minetest.env:get_meta(pos):get_string("owner")
return owner == "" or owner == player:get_player_name()
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_off = commandblock_action_off
}},
on_blast = mesecon.on_blastnode,
}}
})

0
mesecons_doors/depends.txt → mesecons_compatibility/depends.txt
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167
mesecons_compatibility/init.lua Normal file
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@ -0,0 +1,167 @@
doors = {}
-- Registers a door - REDEFINITION ONLY | DOORS MOD MUST HAVE BEEN LOADED BEFORE
-- name: The name of the door
-- def: a table with the folowing fields:
-- description
-- inventory_image
-- groups
-- tiles_bottom: the tiles of the bottom part of the door {front, side}
-- tiles_top: the tiles of the bottom part of the door {front, side}
-- If the following fields are not defined the default values are used
-- node_box_bottom
-- node_box_top
-- selection_box_bottom
-- selection_box_top
-- only_placer_can_open: if true only the player who placed the door can
-- open it
function doors:register_door(name, def)
def.groups.not_in_creative_inventory = 1
local box = {{-0.5, -0.5, -0.5, 0.5, 0.5, -0.5+1.5/16}}
if not def.node_box_bottom then
def.node_box_bottom = box
end
if not def.node_box_top then
def.node_box_top = box
end
if not def.selection_box_bottom then
def.selection_box_bottom= box
end
if not def.selection_box_top then
def.selection_box_top = box
end
local tt = def.tiles_top
local tb = def.tiles_bottom
local function after_dig_node(pos, name)
if minetest.env:get_node(pos).name == name then
minetest.env:remove_node(pos)
end
end
local function on_rightclick(pos, dir, check_name, replace, replace_dir, params)
pos.y = pos.y+dir
if not minetest.env:get_node(pos).name == check_name then
return
end
local p2 = minetest.env:get_node(pos).param2
p2 = params[p2+1]
local meta = minetest.env:get_meta(pos):to_table()
minetest.env:set_node(pos, {name=replace_dir, param2=p2})
minetest.env:get_meta(pos):from_table(meta)
pos.y = pos.y-dir
meta = minetest.env:get_meta(pos):to_table()
minetest.env:set_node(pos, {name=replace, param2=p2})
minetest.env:get_meta(pos):from_table(meta)
end
local function on_mesecons_signal_open (pos, node)
on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
end
local function on_mesecons_signal_close (pos, node)
on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
end
local function check_player_priv(pos, player)
if not def.only_placer_can_open then
return true
end
local meta = minetest.env:get_meta(pos)
local pn = player:get_player_name()
return meta:get_string("doors_owner") == pn
end
minetest.register_node(":"..name.."_b_1", {
tiles = {tb[2], tb[2], tb[2], tb[2], tb[1], tb[1].."^[transformfx"},
paramtype = "light",
paramtype2 = "facedir",
drop = name,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = def.node_box_bottom
},
selection_box = {
type = "fixed",
fixed = def.selection_box_bottom
},
groups = def.groups,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
pos.y = pos.y+1
after_dig_node(pos, name.."_t_1")
end,
on_rightclick = function(pos, node, puncher)
if check_player_priv(pos, puncher) then
on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
end
end,
mesecons = {effector = {
action_on = on_mesecons_signal_open
}},
can_dig = check_player_priv,
})
minetest.register_node(":"..name.."_b_2", {
tiles = {tb[2], tb[2], tb[2], tb[2], tb[1].."^[transformfx", tb[1]},
paramtype = "light",
paramtype2 = "facedir",
drop = name,
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = def.node_box_bottom
},
selection_box = {
type = "fixed",
fixed = def.selection_box_bottom
},
groups = def.groups,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
pos.y = pos.y+1
after_dig_node(pos, name.."_t_2")
end,
on_rightclick = function(pos, node, puncher)
if check_player_priv(pos, puncher) then
on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
end
end,
mesecons = {effector = {
action_off = on_mesecons_signal_close
}},
can_dig = check_player_priv,
})
end
doors:register_door("doors:door_wood", {
description = "Wooden Door",
inventory_image = "door_wood.png",
groups = {snappy=1,choppy=2,oddly_breakable_by_hand=2,flammable=2,door=1},
tiles_bottom = {"door_wood_b.png", "door_brown.png"},
tiles_top = {"door_wood_a.png", "door_brown.png"},
sounds = default.node_sound_wood_defaults(),
})
doors:register_door("doors:door_steel", {
description = "Steel Door",
inventory_image = "door_steel.png",
groups = {snappy=1,bendy=2,cracky=1,melty=2,level=2,door=1},
tiles_bottom = {"door_steel_b.png", "door_grey.png"},
tiles_top = {"door_steel_a.png", "door_grey.png"},
only_placer_can_open = true,
sounds = default.node_sound_stone_defaults(),
})

1
mesecons_delayer/doc/delayer/description.html
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@ -1 +0,0 @@
The delayer delays the signal from the input for a determined time. The time can be set by punching the delayer. Possible delays are: 0.1 seconds, 0.3 seconds, 0.5 seconds and 1 second. You may try to use it for creating songs with the noteblock.

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55
mesecons_delayer/init.lua
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@ -2,7 +2,7 @@
local delayer_get_output_rules = function(node)
local rules = {{x = 0, y = 0, z = 1}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
rules = mesecon:rotate_rules_left(rules)
end
return rules
end
@ -10,25 +10,35 @@ end
local delayer_get_input_rules = function(node)
local rules = {{x = 0, y = 0, z = -1}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
rules = mesecon:rotate_rules_left(rules)
end
return rules
end
-- Functions that are called after the delay time
local delayer_turnon = function(params)
local rules = delayer_get_output_rules(params.node)
mesecon:receptor_on(params.pos, rules)
end
local delayer_turnoff = function(params)
local rules = delayer_get_output_rules(params.node)
mesecon:receptor_off(params.pos, rules)
end
local delayer_activate = function(pos, node)
local def = minetest.registered_nodes[node.name]
local time = def.delayer_time
minetest.swap_node(pos, {name = def.delayer_onstate, param2=node.param2})
mesecon.queue:add_action(pos, "receptor_on", {delayer_get_output_rules(node)}, time, nil)
mesecon:swap_node(pos, def.delayer_onstate)
minetest.after(time, delayer_turnon , {pos = pos, node = node})
end
local delayer_deactivate = function(pos, node)
local def = minetest.registered_nodes[node.name]
local time = def.delayer_time
minetest.swap_node(pos, {name = def.delayer_offstate, param2=node.param2})
mesecon.queue:add_action(pos, "receptor_off", {delayer_get_output_rules(node)}, time, nil)
mesecon:swap_node(pos, def.delayer_offstate)
minetest.after(time, delayer_turnoff, {pos = pos, node = node})
end
-- Register the 2 (states) x 4 (delay times) delayers
@ -47,8 +57,7 @@ elseif i == 2 then delaytime = 0.3
elseif i == 3 then delaytime = 0.5
elseif i == 4 then delaytime = 1.0 end
local boxes = {
{ -6/16, -8/16, -6/16, 6/16, -7/16, 6/16 }, -- the main slab
boxes = {{ -6/16, -8/16, -6/16, 6/16, -7/16, 6/16 }, -- the main slab
{ -2/16, -7/16, -4/16, 2/16, -26/64, -3/16 }, -- the jeweled "on" indicator
{ -3/16, -7/16, -3/16, 3/16, -26/64, -2/16 },
@ -58,8 +67,7 @@ local boxes = {
{ -6/16, -7/16, -6/16, -4/16, -27/64, -4/16 }, -- the timer indicator
{ -8/16, -8/16, -1/16, -6/16, -7/16, 1/16 }, -- the two wire stubs
{ 6/16, -8/16, -1/16, 8/16, -7/16, 1/16 }
}
{ 6/16, -8/16, -1/16, 8/16, -7/16, 1/16 }}
minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
description = "Delayer",
@ -87,17 +95,17 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
is_ground_content = false,
is_ground_content = true,
drop = 'mesecons_delayer:delayer_off_1',
on_punch = function (pos, node)
if node.name=="mesecons_delayer:delayer_off_1" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_2", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_off_2")
elseif node.name=="mesecons_delayer:delayer_off_2" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_3", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_off_3")
elseif node.name=="mesecons_delayer:delayer_off_3" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_4", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_off_4")
elseif node.name=="mesecons_delayer:delayer_off_4" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_off_1", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_off_1")
end
end,
delayer_time = delaytime,
@ -114,8 +122,7 @@ minetest.register_node("mesecons_delayer:delayer_off_"..tostring(i), {
rules = delayer_get_input_rules,
action_on = delayer_activate
}
},
on_blast = mesecon.on_blastnode,
}
})
@ -143,22 +150,21 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
paramtype = "light",
paramtype2 = "facedir",
sunlight_propagates = true,
is_ground_content = false,
is_ground_content = true,
drop = 'mesecons_delayer:delayer_off_1',
on_punch = function (pos, node)
if node.name=="mesecons_delayer:delayer_on_1" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_2", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_on_2")
elseif node.name=="mesecons_delayer:delayer_on_2" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_3", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_on_3")
elseif node.name=="mesecons_delayer:delayer_on_3" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_4", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_on_4")
elseif node.name=="mesecons_delayer:delayer_on_4" then
minetest.swap_node(pos, {name = "mesecons_delayer:delayer_on_1", param2=node.param2})
mesecon:swap_node(pos,"mesecons_delayer:delayer_on_1")
end
end,
delayer_time = delaytime,
delayer_offstate = "mesecons_delayer:delayer_off_"..tostring(i),
sounds = default.node_sound_stone_defaults(),
mesecons = {
receptor =
{
@ -170,8 +176,7 @@ minetest.register_node("mesecons_delayer:delayer_on_"..tostring(i), {
rules = delayer_get_input_rules,
action_off = delayer_deactivate
}
},
on_blast = mesecon.on_blastnode,
}
})
end

7
mesecons_detector/doc/nodedetector/description.html
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@ -1,7 +0,0 @@
The node detector is a receptor. It changes its state when either any node
or a specific node is detected. Right-click it to set a nodename to scan for.
It can also receive digiline signals. You can either send "GET" and it will
respond with the detected nodename or you can send any other string and it will
set this string as the node to scan for.
Nodenames must include the mod they reside in, so for instance default:dirt, not just dirt.
The distance parameter specifies how many blocks are between the node detector and the node to detect.

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4
mesecons_detector/doc/objectdetector/description.html
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@ -1,4 +0,0 @@
The object detector is a receptor. It changes its state when a player approaches.
Right-click it to set a name to scan for.
You can also search for comma-separated lists of players where the detector gets activated if any of the names in the list are found.
It can also receive digiline signals which are the name to scan for on the specified channel in the right-click menu.

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278
mesecons_detector/init.lua
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@ -1,61 +1,41 @@
local GET_COMMAND = "GET"
-- Object detector
-- Detects players in a certain radius
-- The radius can be specified in mesecons/settings.lua
local function object_detector_make_formspec(pos)
local meta = minetest.get_meta(pos)
local object_detector_make_formspec = function (pos)
local meta = minetest.env:get_meta(pos)
meta:set_string("formspec", "size[9,2.5]" ..
"field[0.3, 0;9,2;scanname;Name of player to scan for (empty for any):;${scanname}]"..
"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
"button_exit[7,0.75;2,3;;Save]")
"field[0.3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]")
end
local function object_detector_on_receive_fields(pos, formname, fields, sender)
if not fields.scanname or not fields.digiline_channel then return end
if minetest.is_protected(pos, sender:get_player_name()) then return end
local meta = minetest.get_meta(pos)
local object_detector_on_receive_fields = function (pos, formname, fields)
local meta = minetest.env:get_meta(pos)
meta:set_string("scanname", fields.scanname)
meta:set_string("digiline_channel", fields.digiline_channel)
object_detector_make_formspec(pos)
end
-- returns true if player was found, false if not
local function object_detector_scan(pos)
local objs = minetest.get_objects_inside_radius(pos, mesecon.setting("detector_radius", 6))
-- abort if no scan results were found
if next(objs) == nil then return false end
local scanname = minetest.get_meta(pos):get_string("scanname")
local scan_for = {}
for _, str in pairs(string.split(scanname:gsub(" ", ""), ",")) do
scan_for[str] = true
end
local every_player = scanname == ""
for _, obj in pairs(objs) do
-- "" is returned if it is not a player; "" ~= nil; so only handle objects with foundname ~= ""
local foundname = obj:get_player_name()
if foundname ~= "" then
if every_player or scan_for[foundname] then
local object_detector_scan = function (pos)
local objs = minetest.env:get_objects_inside_radius(pos, OBJECT_DETECTOR_RADIUS)
for k, obj in pairs(objs) do
local isname = obj:get_player_name() -- "" is returned if it is not a player; "" ~= nil!
local scanname = minetest.env:get_meta(pos):get_string("scanname")
if (isname == scanname and isname ~= "") or (isname ~= "" and scanname == "") then -- player with scanname found or not scanname specified
return true
end
end
end
return false
end
-- set player name when receiving a digiline signal on a specific channel
local object_detector_digiline = {
object_detector_digiline = {
effector = {
action = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
if channel == meta:get_string("digiline_channel") then
action = function (pos, node, channel, msg)
local meta = minetest.env:get_meta(pos)
local active_channel = meta:get_string("digiline_channel")
if channel == active_channel then
meta:set_string("scanname", msg)
object_detector_make_formspec(pos)
end
@ -66,37 +46,31 @@ local object_detector_digiline = {
minetest.register_node("mesecons_detector:object_detector_off", {
tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png", "jeija_object_detector_off.png"},
paramtype = "light",
is_ground_content = false,
walkable = true,
groups = {cracky=3},
description="Player Detector",
mesecons = {receptor = {
state = mesecon.state.off,
rules = mesecon.rules.pplate
state = mesecon.state.off
}},
on_construct = object_detector_make_formspec,
on_receive_fields = object_detector_on_receive_fields,
sounds = default.node_sound_stone_defaults(),
digiline = object_detector_digiline,
on_blast = mesecon.on_blastnode,
digiline = object_detector_digiline
})
minetest.register_node("mesecons_detector:object_detector_on", {
tiles = {"default_steel_block.png", "default_steel_block.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png", "jeija_object_detector_on.png"},
paramtype = "light",
is_ground_content = false,
walkable = true,
groups = {cracky=3,not_in_creative_inventory=1},
drop = 'mesecons_detector:object_detector_off',
mesecons = {receptor = {
state = mesecon.state.on,
rules = mesecon.rules.pplate
state = mesecon.state.on
}},
on_construct = object_detector_make_formspec,
on_receive_fields = object_detector_on_receive_fields,
sounds = default.node_sound_stone_defaults(),
digiline = object_detector_digiline,
on_blast = mesecon.on_blastnode,
digiline = object_detector_digiline
})
minetest.register_craft({
@ -108,208 +82,26 @@ minetest.register_craft({
}
})
minetest.register_craft({
output = 'mesecons_detector:object_detector_off',
recipe = {
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
{"default:steel_ingot", "mesecons_microcontroller:microcontroller0000", "default:steel_ingot"},
{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
}
})
minetest.register_abm({
nodenames = {"mesecons_detector:object_detector_off"},
interval = 1,
minetest.register_abm(
{nodenames = {"mesecons_detector:object_detector_off"},
interval = 1.0,
chance = 1,
action = function(pos, node)
if not object_detector_scan(pos) then return end
node.name = "mesecons_detector:object_detector_on"
minetest.swap_node(pos, node)
mesecon.receptor_on(pos, mesecon.rules.pplate)
end,
})
minetest.register_abm({
nodenames = {"mesecons_detector:object_detector_on"},
interval = 1,
chance = 1,
action = function(pos, node)
if object_detector_scan(pos) then return end
node.name = "mesecons_detector:object_detector_off"
minetest.swap_node(pos, node)
mesecon.receptor_off(pos, mesecon.rules.pplate)
end,
})
-- Node detector
-- Detects the node in front of it
local function node_detector_make_formspec(pos)
local meta = minetest.get_meta(pos)
if meta:get_string("distance") == "" then meta:set_string("distance", "0") end
meta:set_string("formspec", "size[9,2.5]" ..
"field[0.3, 0;9,2;scanname;Name of node to scan for (empty for any):;${scanname}]"..
"field[0.3,1.5;2.5,2;distance;Distance (0-"..mesecon.setting("node_detector_distance_max", 10).."):;${distance}]"..
"field[3,1.5;4,2;digiline_channel;Digiline Channel (optional):;${digiline_channel}]"..
"button_exit[7,0.75;2,3;;Save]")
end
local function node_detector_on_receive_fields(pos, fieldname, fields, sender)
if not fields.scanname or not fields.digiline_channel then return end
if minetest.is_protected(pos, sender:get_player_name()) then return end
local meta = minetest.get_meta(pos)
meta:set_string("scanname", fields.scanname)
meta:set_string("distance", fields.distance or "0")
meta:set_string("digiline_channel", fields.digiline_channel)
node_detector_make_formspec(pos)
end
-- returns true if node was found, false if not
local function node_detector_scan(pos)
local node = minetest.get_node_or_nil(pos)
if not node then return end
local meta = minetest.get_meta(pos)
local distance = meta:get_int("distance")
local distance_max = mesecon.setting("node_detector_distance_max", 10)
if distance < 0 then distance = 0 end
if distance > distance_max then distance = distance_max end
local frontname = minetest.get_node(
vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
).name
local scanname = meta:get_string("scanname")
return (frontname == scanname) or
(frontname ~= "air" and frontname ~= "ignore" and scanname == "")
end
-- set player name when receiving a digiline signal on a specific channel
local node_detector_digiline = {
effector = {
action = function(pos, node, channel, msg)
local meta = minetest.get_meta(pos)
local distance = meta:get_int("distance")
local distance_max = mesecon.setting("node_detector_distance_max", 10)
if distance < 0 then distance = 0 end
if distance > distance_max then distance = distance_max end
if channel ~= meta:get_string("digiline_channel") then return end
if msg == GET_COMMAND then
local nodename = minetest.get_node(
vector.subtract(pos, vector.multiply(minetest.facedir_to_dir(node.param2), distance + 1))
).name
digiline:receptor_send(pos, digiline.rules.default, channel, nodename)
else
meta:set_string("scanname", msg)
node_detector_make_formspec(pos)
action = function(pos)
if object_detector_scan(pos) then
mesecon:swap_node(pos, "mesecons_detector:object_detector_on")
mesecon:receptor_on(pos)
end
end,
},
receptor = {}
}
local function after_place_node_detector(pos, placer)
local placer_pos = placer:getpos()
if not placer_pos then
return
end
--correct for the player's height
if placer:is_player() then
placer_pos.y = placer_pos.y + 1.625
end
--correct for 6d facedir
local node = minetest.get_node(pos)
node.param2 = minetest.dir_to_facedir(vector.subtract(pos, placer_pos), true)
minetest.set_node(pos, node)
end
minetest.register_node("mesecons_detector:node_detector_off", {
tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_off.png"},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = true,
groups = {cracky=3},
description="Node Detector",
mesecons = {receptor = {
state = mesecon.state.off
}},
on_construct = node_detector_make_formspec,
on_receive_fields = node_detector_on_receive_fields,
sounds = default.node_sound_stone_defaults(),
digiline = node_detector_digiline,
on_blast = mesecon.on_blastnode,
})
minetest.register_node("mesecons_detector:node_detector_on", {
tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "default_steel_block.png", "jeija_node_detector_on.png"},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = true,
groups = {cracky=3,not_in_creative_inventory=1},
drop = 'mesecons_detector:node_detector_off',
mesecons = {receptor = {
state = mesecon.state.on
}},
on_construct = node_detector_make_formspec,
on_receive_fields = node_detector_on_receive_fields,
sounds = default.node_sound_stone_defaults(),
digiline = node_detector_digiline,
on_blast = mesecon.on_blastnode,
})
minetest.register_craft({
output = 'mesecons_detector:node_detector_off',
recipe = {
{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
{"default:steel_ingot", "mesecons_luacontroller:luacontroller0000", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
}
})
minetest.register_craft({
output = 'mesecons_detector:node_detector_off',
recipe = {
{"default:steel_ingot", "group:mesecon_conductor_craftable", "default:steel_ingot"},
{"default:steel_ingot", "mesecons_microcontroller:microcontroller0000", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
}
})
minetest.register_abm({
nodenames = {"mesecons_detector:node_detector_off"},
interval = 1,
minetest.register_abm(
{nodenames = {"mesecons_detector:object_detector_on"},
interval = 1.0,
chance = 1,
action = function(pos, node)
if not node_detector_scan(pos) then return end
node.name = "mesecons_detector:node_detector_on"
minetest.swap_node(pos, node)
mesecon.receptor_on(pos)
end,
})
minetest.register_abm({
nodenames = {"mesecons_detector:node_detector_on"},
interval = 1,
chance = 1,
action = function(pos, node)
if node_detector_scan(pos) then return end
node.name = "mesecons_detector:node_detector_off"
minetest.swap_node(pos, node)
mesecon.receptor_off(pos)
action = function(pos)
if not object_detector_scan(pos) then
mesecon:swap_node(pos, "mesecons_detector:object_detector_off")
mesecon:receptor_off(pos)
end
end,
})

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129
mesecons_doors/init.lua
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@ -1,129 +0,0 @@
-- Modified, from minetest_game/mods/doors/init.lua
local function on_rightclick(pos, dir, check_name, replace, replace_dir, params)
pos.y = pos.y + dir
if not minetest.get_node(pos).name == check_name then
return
end
local p2 = minetest.get_node(pos).param2
p2 = params[p2 + 1]
minetest.swap_node(pos, {name = replace_dir, param2 = p2})
pos.y = pos.y - dir
minetest.swap_node(pos, {name = replace, param2 = p2})
if (minetest.get_meta(pos):get_int("right") ~= 0) == (params[1] ~= 3) then
minetest.sound_play("doors_door_close", {pos = pos, gain = 0.3, max_hear_distance = 10})
else
minetest.sound_play("doors_door_open", {pos = pos, gain = 0.3, max_hear_distance = 10})
end
end
local function meseconify_door(name)
if minetest.registered_items[name .. "_b_1"] then
-- old style double-node doors
local function toggle_state1 (pos, node)
on_rightclick(pos, 1, name.."_t_1", name.."_b_2", name.."_t_2", {1,2,3,0})
end
local function toggle_state2 (pos, node)
on_rightclick(pos, 1, name.."_t_2", name.."_b_1", name.."_t_1", {3,0,1,2})
end
minetest.override_item(name.."_b_1", {
mesecons = {effector = {
action_on = toggle_state1,
action_off = toggle_state1,
rules = mesecon.rules.pplate
}}
})
minetest.override_item(name.."_b_2", {
mesecons = {effector = {
action_on = toggle_state2,
action_off = toggle_state2,
rules = mesecon.rules.pplate
}}
})
elseif minetest.registered_items[name .. "_a"] then
-- new style mesh node based doors
local override = {
mesecons = {effector = {
action_on = function(pos, node)
local door = doors.get(pos)
if door then
door:open()
end
end,
action_off = function(pos, node)
local door = doors.get(pos)
if door then
door:close()
end
end,
rules = mesecon.rules.pplate
}}
}
minetest.override_item(name .. "_a", override)
minetest.override_item(name .. "_b", override)
end
end
meseconify_door("doors:door_wood")
meseconify_door("doors:door_steel")
meseconify_door("doors:door_glass")
meseconify_door("doors:door_obsidian_glass")
-- Trapdoor
local function trapdoor_switch(pos, node)
local state = minetest.get_meta(pos):get_int("state")
if state == 1 then
minetest.sound_play("doors_door_close", {pos = pos, gain = 0.3, max_hear_distance = 10})
minetest.set_node(pos, {name="doors:trapdoor", param2 = node.param2})
else
minetest.sound_play("doors_door_open", {pos = pos, gain = 0.3, max_hear_distance = 10})
minetest.set_node(pos, {name="doors:trapdoor_open", param2 = node.param2})
end
minetest.get_meta(pos):set_int("state", state == 1 and 0 or 1)
end
if doors and doors.get then
local override = {
mesecons = {effector = {
action_on = function(pos, node)
local door = doors.get(pos)
if door then
door:open()
end
end,
action_off = function(pos, node)
local door = doors.get(pos)
if door then
door:close()
end
end,
}},
}
minetest.override_item("doors:trapdoor", override)
minetest.override_item("doors:trapdoor_open", override)
minetest.override_item("doors:trapdoor_steel", override)
minetest.override_item("doors:trapdoor_steel_open", override)
else
if minetest.registered_nodes["doors:trapdoor"] then
minetest.override_item("doors:trapdoor", {
mesecons = {effector = {
action_on = trapdoor_switch,
action_off = trapdoor_switch
}},
})
minetest.override_item("doors:trapdoor_open", {
mesecons = {effector = {
action_on = trapdoor_switch,
action_off = trapdoor_switch
}},
})
end
end

20
mesecons_extrawires/corner.lua
View File

@ -1,5 +1,3 @@
local screwdriver_exists = minetest.global_exists("screwdriver")
local corner_nodebox = {
type = "fixed",
fixed = {{ -16/32-0.001, -17/32, -3/32, 0, -13/32, 3/32 },
@ -17,7 +15,7 @@ local corner_get_rules = function (node)
{x = 0, y = 0, z = -1}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
rules = mesecon:rotate_rules_left(rules)
end
return rules
@ -35,27 +33,23 @@ minetest.register_node("mesecons_extrawires:corner_on", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = false,
sunlight_propagates = true,
selection_box = corner_selectionbox,
node_box = corner_nodebox,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
drop = "mesecons_extrawires:corner_off",
sounds = default.node_sound_defaults(),
mesecons = {conductor =
{
state = mesecon.state.on,
rules = corner_get_rules,
offstate = "mesecons_extrawires:corner_off"
}},
on_blast = mesecon.on_blastnode,
on_rotate = screwdriver_exists and screwdriver.rotate_simple,
}}
})
minetest.register_node("mesecons_extrawires:corner_off", {
drawtype = "nodebox",
description = "Insulated Mesecon Corner",
description = "Mesecon Corner",
tiles = {
"jeija_insulated_wire_curved_tb_off.png",
"jeija_insulated_wire_curved_tb_off.png^[transformR270",
@ -66,25 +60,21 @@ minetest.register_node("mesecons_extrawires:corner_off", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = false,
sunlight_propagates = true,
selection_box = corner_selectionbox,
node_box = corner_nodebox,
groups = {dig_immediate = 3},
sounds = default.node_sound_defaults(),
mesecons = {conductor =
{
state = mesecon.state.off,
rules = corner_get_rules,
onstate = "mesecons_extrawires:corner_on"
}},
on_blast = mesecon.on_blastnode,
on_rotate = screwdriver_exists and screwdriver.rotate_simple,
}}
})
minetest.register_craft({
output = "mesecons_extrawires:corner_off 3",
output = '"mesecons_extrawires:corner_off" 3',
recipe = {
{"", "", ""},
{"mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off", ""},

49
mesecons_extrawires/crossing.lua Normal file
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@ -0,0 +1,49 @@
-- CODE NOT ACTIVE
local crossing_get_rules = function(node)
--TODO: calculate the real port states and use rules to link to them only if
end
minetest.register_node("mesecons_extrawires:crossing_on", {
drawtype = "nodebox",
tiles = {"jeija_insulated_wire_sides_on.png"},
paramtype = "light",
walkable = false,
stack_max = 99,
selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
node_box = {
type = "fixed",
fixed = {
{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
{ -3/32, -17/32, -16/32-0.001, 3/32, -13/32, -6/32 },
{ -3/32, -13/32, -9/32, 3/32, -6/32, -6/32 },
{ -3/32, -9/32, -9/32, 3/32, -6/32, 9/32 },
{ -3/32, -13/32, 6/32, 3/32, -6/32, 9/32 },
{ -3/32, -17/32, 6/32, 3/32, -13/32, 16/32+0.001 },
},
},
groups = {dig_immediate=3, mesecon=3, mesecon_conductor_craftable=1, not_in_creative_inventory=1},
mesecons = {
receptor = {
state = mesecon.state.on,
rules = crossing_get_rules,
}
},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_extrawires:crossing",
recipe = {
"mesecons_insulated:insulated_off",
"mesecons_insulated:insulated_off",
},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_insulated:insulated_off 2",
recipe = {
"mesecons_extrawires:crossing",
},
})

143
mesecons_extrawires/crossover.lua
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@ -1,143 +0,0 @@
local function crossover_get_rules(node)
return {
{--first wire
{x=-1,y=0,z=0},
{x=1,y=0,z=0},
},
{--second wire
{x=0,y=0,z=-1},
{x=0,y=0,z=1},
},
}
end
local crossover_states = {
"mesecons_extrawires:crossover_off",
"mesecons_extrawires:crossover_01",
"mesecons_extrawires:crossover_10",
"mesecons_extrawires:crossover_on",
}
minetest.register_node("mesecons_extrawires:crossover_off", {
description = "Insulated Mesecon Crossover",
drawtype = "mesh",
mesh = "mesecons_extrawires_crossover.b3d",
tiles = {
"jeija_insulated_wire_ends_off.png",
"jeija_insulated_wire_sides_off.png",
"jeija_insulated_wire_sides_off.png",
"jeija_insulated_wire_ends_off.png"
},
paramtype = "light",
is_ground_content = false,
walkable = false,
stack_max = 99,
selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
groups = {dig_immediate=3, mesecon=3},
sounds = default.node_sound_defaults(),
mesecons = {
conductor = {
states = crossover_states,
rules = crossover_get_rules(),
}
},
on_blast = mesecon.on_blastnode,
})
minetest.register_node("mesecons_extrawires:crossover_01", {
description = "You hacker you!",
drop = "mesecons_extrawires:crossover_off",
drawtype = "mesh",
mesh = "mesecons_extrawires_crossover.b3d",
tiles = {
"jeija_insulated_wire_ends_on.png",
"jeija_insulated_wire_sides_on.png",
"jeija_insulated_wire_sides_off.png",
"jeija_insulated_wire_ends_off.png"
},
paramtype = "light",
is_ground_content = false,
walkable = false,
stack_max = 99,
selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
sounds = default.node_sound_defaults(),
mesecons = {
conductor = {
states = crossover_states,
rules = crossover_get_rules(),
}
},
on_blast = mesecon.on_blastnode,
})
minetest.register_node("mesecons_extrawires:crossover_10", {
description = "You hacker you!",
drop = "mesecons_extrawires:crossover_off",
drawtype = "mesh",
mesh = "mesecons_extrawires_crossover.b3d",
tiles = {
"jeija_insulated_wire_ends_off.png",
"jeija_insulated_wire_sides_off.png",
"jeija_insulated_wire_sides_on.png",
"jeija_insulated_wire_ends_on.png"
},
paramtype = "light",
is_ground_content = false,
walkable = false,
stack_max = 99,
selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
sounds = default.node_sound_defaults(),
mesecons = {
conductor = {
states = crossover_states,
rules = crossover_get_rules(),
}
},
on_blast = mesecon.on_blastnode,
})
minetest.register_node("mesecons_extrawires:crossover_on", {
description = "You hacker you!",
drop = "mesecons_extrawires:crossover_off",
drawtype = "mesh",
mesh = "mesecons_extrawires_crossover.b3d",
tiles = {
"jeija_insulated_wire_ends_on.png",
"jeija_insulated_wire_sides_on.png",
"jeija_insulated_wire_sides_on.png",
"jeija_insulated_wire_ends_on.png"
},
paramtype = "light",
is_ground_content = false,
walkable = false,
stack_max = 99,
selection_box = {type="fixed", fixed={-16/32-0.0001, -18/32, -16/32-0.001, 16/32+0.001, -5/32, 16/32+0.001}},
groups = {dig_immediate=3, mesecon=3, not_in_creative_inventory=1},
sounds = default.node_sound_defaults(),
mesecons = {
conductor = {
states = crossover_states,
rules = crossover_get_rules(),
}
},
on_blast = mesecon.on_blastnode,
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_extrawires:crossover_off",
recipe = {
"mesecons_insulated:insulated_off",
"mesecons_insulated:insulated_off",
},
})
minetest.register_craft({
type = "shapeless",
output = "mesecons_insulated:insulated_off 2",
recipe = {
"mesecons_extrawires:crossover_off",
},
})

2
mesecons_extrawires/depends.txt
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default
mesecons
screwdriver?

1
mesecons_extrawires/doc/corner/description.html
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Insulated corners are conductors that only conduct between the inputs (also not up or down). When placing they always point to the left in direction of your vision.

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mesecons_extrawires/doc/crossing/description.html
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Insulated crossing are conductors that conduct two signals between the opposing sides, the signals are insulated to each other.

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mesecons_extrawires/doc/mese/description.html
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The basic prerequesite for mesecons, can be crafted into wires and other stuff. Have a look at the <a href="http://wiki.minetest.net/Mese">Minetest Wiki</a> for more information. Mese is a conductor. It conducts in all six directions: Up/Down/Left/Right/Forward/Backward

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mesecons_extrawires/doc/tjunction/description.html
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Insulated T-Junctions are conductors that only conduct between the inputs (also not up or down).

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1
mesecons_extrawires/doc/vertical/description.html
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Vertical Mesecons only conduct up and down. Plates appear at the ends, at that place they also conduct to the side.

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3
mesecons_extrawires/init.lua
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@ -1,4 +1,5 @@
dofile(minetest.get_modpath("mesecons_extrawires").."/crossover.lua");
-- dofile(minetest.get_modpath("mesecons_extrawires").."/crossing.lua");
-- The crossing code is not active right now because it is hard to maintain
dofile(minetest.get_modpath("mesecons_extrawires").."/tjunction.lua");
dofile(minetest.get_modpath("mesecons_extrawires").."/corner.lua");
dofile(minetest.get_modpath("mesecons_extrawires").."/vertical.lua");

26
mesecons_extrawires/mesewire.lua
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@ -8,7 +8,12 @@ local mesewire_rules =
{x = 0, y = 0, z =-1},
}
minetest.override_item("default:mese", {
minetest.register_node(":default:mese", {
description = "Mese Block",
tiles = {minetest.registered_nodes["default:mese"].tiles[1]},
is_ground_content = true,
groups = {cracky=1},
sounds = default.node_sound_stone_defaults(),
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:mese_powered",
@ -16,22 +21,15 @@ minetest.override_item("default:mese", {
}}
})
-- Copy node definition of powered mese from normal mese
-- and brighten texture tiles to indicate mese is powered
local powered_def = mesecon.mergetable(minetest.registered_nodes["default:mese"], {
drop = "default:mese",
light_source = 5,
minetest.register_node("mesecons_extrawires:mese_powered", {
tiles = {minetest.registered_nodes["default:mese"].tiles[1].."^[brighten"},
is_ground_content = true,
groups = {cracky=1, not_in_creative_inventory = 1},
sounds = default.node_sound_stone_defaults(),
mesecons = {conductor = {
state = mesecon.state.on,
offstate = "default:mese",
rules = mesewire_rules
}},
groups = {cracky = 1, not_in_creative_inventory = 1},
on_blast = mesecon.on_blastnode,
drop = "default:mese"
})
for i, v in pairs(powered_def.tiles) do
powered_def.tiles[i] = v .. "^[brighten"
end
minetest.register_node("mesecons_extrawires:mese_powered", powered_def)

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mesecons_extrawires/models/mesecons_extrawires_crossover.b3d
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24
mesecons_extrawires/tjunction.lua
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@ -1,5 +1,3 @@
local screwdriver_exists = minetest.global_exists("screwdriver")
local tjunction_nodebox = {
type = "fixed",
fixed = {{ -16/32-0.001, -17/32, -3/32, 16/32+0.001, -13/32, 3/32 },
@ -18,7 +16,7 @@ local tjunction_get_rules = function (node)
{x = 0, y = 0, z = -1}}
for i = 0, node.param2 do
rules = mesecon.rotate_rules_left(rules)
rules = mesecon:rotate_rules_left(rules)
end
return rules
@ -36,27 +34,23 @@ minetest.register_node("mesecons_extrawires:tjunction_on", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = false,
sunlight_propagates = true,
selection_box = tjunction_selectionbox,
node_box = tjunction_nodebox,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
groups = {dig_immediate = 3, mesecon_conductor_craftable=1, not_in_creative_inventory = 1},
drop = "mesecons_extrawires:tjunction_off",
sounds = default.node_sound_defaults(),
mesecons = {conductor =
{
state = mesecon.state.on,
rules = tjunction_get_rules,
offstate = "mesecons_extrawires:tjunction_off"
}},
on_blast = mesecon.on_blastnode,
on_rotate = screwdriver_exists and screwdriver.rotate_simple,
}}
})
minetest.register_node("mesecons_extrawires:tjunction_off", {
drawtype = "nodebox",
description = "Insulated Mesecon T-junction",
description = "T-junction",
tiles = {
"jeija_insulated_wire_tjunction_tb_off.png",
"jeija_insulated_wire_tjunction_tb_off.png^[transformR180",
@ -67,25 +61,21 @@ minetest.register_node("mesecons_extrawires:tjunction_off", {
},
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
walkable = false,
sunlight_propagates = true,
selection_box = tjunction_selectionbox,
node_box = tjunction_nodebox,
groups = {dig_immediate = 3},
sounds = default.node_sound_defaults(),
groups = {dig_immediate = 3, mesecon_conductor_craftable=1},
mesecons = {conductor =
{
state = mesecon.state.off,
rules = tjunction_get_rules,
onstate = "mesecons_extrawires:tjunction_on"
}},
on_blast = mesecon.on_blastnode,
on_rotate = screwdriver_exists and screwdriver.rotate_simple,
}}
})
minetest.register_craft({
output = "mesecons_extrawires:tjunction_off 3",
output = '"mesecons_extrawires:tjunction_off" 3',
recipe = {
{"", "", ""},
{"mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off", "mesecons_insulated:insulated_off"},

260
mesecons_extrawires/vertical.lua
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local vertical_box = {
local vbox = {
type = "fixed",
fixed = {-1/16, -8/16, -1/16, 1/16, 8/16, 1/16}
fixed = {-1/16, -.5, -1/16, 1/16, .5, 1/16}
}
local top_box = {
local tbox = {
type = "fixed",
fixed = {{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16}}
fixed = {{-.5, -.5, -.5, .5, -.5 + 1/16, .5}}
}
local bottom_box = {
local bbox = {
type = "fixed",
fixed = {
{-8/16, -8/16, -8/16, 8/16, -7/16, 8/16},
{-1/16, -7/16, -1/16, 1/16, 8/16, 1/16},
}
fixed = {{ -.5, -.5 , -.5, .5, -.5+1/16, .5},
{-1/16, -.5+1/16, -1/16, 1/16, .5 , 1/16}}
}
local vertical_rules = {
{x=0, y=1, z=0},
{x=0, y=-1, z=0}
}
local vrules =
{{x = 0, y = 1, z = 0},
{x = 0, y =-1, z = 0}}
local top_rules = {
{x=1,y=0, z=0},
{x=-1,y=0, z=0},
{x=0,y=0, z=1},
{x=0,y=0, z=-1},
{x=0,y=-1, z=0}
}
local trules =
{{x = 1, y = 0, z = 0},
{x =-1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z =-1},
{x = 0, y =-1, z = 0}}
local bottom_rules = {
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=0, y=0, z=-1},
{x=0, y=1, z=0},
{x=0, y=2, z=0} -- receive power from pressure plate / detector / ... 2 nodes above
}
local brules =
{{x = 1, y = 0, z = 0},
{x =-1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = 0, y = 0, z =-1},
{x = 0, y = 1, z = 0}}
local vertical_updatepos = function (pos)
local node = minetest.get_node(pos)
if minetest.registered_nodes[node.name]
and minetest.registered_nodes[node.name].is_vertical_conductor then
local node_above = minetest.get_node(vector.add(pos, vertical_rules[1]))
local node_below = minetest.get_node(vector.add(pos, vertical_rules[2]))
local node = minetest.env:get_node(pos)
if minetest.registered_nodes[node.name].is_vertical_conductor then
local node_above = minetest.env:get_node(mesecon:addPosRule(pos, vrules[1]))
local node_below = minetest.env:get_node(mesecon:addPosRule(pos, vrules[2]))
local namestate = minetest.registered_nodes[node.name].vertical_conductor_state
local above = minetest.registered_nodes[node_above.name]
and minetest.registered_nodes[node_above.name].is_vertical_conductor
local below = minetest.registered_nodes[node_below.name]
and minetest.registered_nodes[node_below.name].is_vertical_conductor
-- above and below: vertical mesecon
if minetest.registered_nodes[node_above.name].is_vertical_conductor
and minetest.registered_nodes[node_below.name].is_vertical_conductor then
minetest.env:add_node (pos,
{name = "mesecons_extrawires:vertical_"..namestate})
mesecon.on_dignode(pos, node)
-- above only: bottom
elseif minetest.registered_nodes[node_above.name].is_vertical_conductor
and not minetest.registered_nodes[node_below.name].is_vertical_conductor then
minetest.env:add_node (pos,
{name = "mesecons_extrawires:vertical_bottom_"..namestate})
-- Always place offstate conductor and let mesecon.on_placenode take care
local newname = "mesecons_extrawires:vertical_"
if above and below then -- above and below: vertical mesecon
newname = newname .. "off"
elseif above and not below then -- above only: bottom
newname = newname .. "bottom_off"
elseif not above and below then -- below only: top
newname = newname .. "top_off"
else -- no vertical wire above, no vertical wire below: use bottom
newname = newname .. "bottom_off"
-- below only: top
elseif not minetest.registered_nodes[node_above.name].is_vertical_conductor
and minetest.registered_nodes[node_below.name].is_vertical_conductor then
minetest.env:add_node (pos,
{name = "mesecons_extrawires:vertical_top_"..namestate})
else -- no vertical wire above, no vertical wire below: use default wire
minetest.env:add_node (pos,
{name = "mesecons_extrawires:vertical_"..namestate})
end
minetest.set_node(pos, {name = newname})
mesecon.on_placenode(pos, {name = newname})
end
end
local vertical_update = function (pos, node)
vertical_updatepos(pos) -- this one
vertical_updatepos(vector.add(pos, vertical_rules[1])) -- above
vertical_updatepos(vector.add(pos, vertical_rules[2])) -- below
vertical_updatepos(mesecon:addPosRule(pos, vrules[1])) -- above
vertical_updatepos(mesecon:addPosRule(pos, vrules[2])) -- below
end
-- Vertical wire
mesecon.register_node("mesecons_extrawires:vertical", {
description = "Vertical Mesecon",
minetest.register_node("mesecons_extrawires:vertical_on", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_vertical_on.png"},
walkable = false,
paramtype = "light",
is_ground_content = false,
sunlight_propagates = true,
selection_box = vertical_box,
node_box = vertical_box,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
selection_box = vbox,
node_box = vbox,
is_vertical_conductor = true,
drop = "mesecons_extrawires:vertical_off",
after_place_node = vertical_update,
after_dig_node = vertical_update,
sounds = default.node_sound_defaults(),
},{
tiles = {"mesecons_wire_off.png"},
groups = {dig_immediate=3},
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_on",
rules = vertical_rules,
}}
},{
tiles = {"mesecons_wire_on.png"},
groups = {dig_immediate=3, not_in_creative_inventory=1},
vertical_conductor_state = "on",
mesecons = {conductor = {
state = mesecon.state.on,
offstate = "mesecons_extrawires:vertical_off",
rules = vertical_rules,
}}
rules = vrules
}},
drop = {"mesecons_extrawires:vertical_off"},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
minetest.register_node("mesecons_extrawires:vertical_off", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_vertical_off.png"},
walkable = false,
paramtype = "light",
sunlight_propagates = true,
groups = {dig_immediate = 3},
selection_box = vbox,
node_box = vbox,
is_vertical_conductor = true,
vertical_conductor_state = "off",
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_on",
rules = vrules
}},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
-- Vertical wire top
mesecon.register_node("mesecons_extrawires:vertical_top", {
minetest.register_node("mesecons_extrawires:vertical_top_on", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_full_on.png"},
walkable = false,
paramtype = "light",
is_ground_content = false,
sunlight_propagates = true,
groups = {dig_immediate=3, not_in_creative_inventory=1},
selection_box = top_box,
node_box = top_box,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
selection_box = tbox,
node_box = tbox,
is_vertical_conductor = true,
drop = "mesecons_extrawires:vertical_off",
after_place_node = vertical_update,
after_dig_node = vertical_update,
sounds = default.node_sound_defaults(),
},{
tiles = {"mesecons_wire_off.png"},
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_top_on",
rules = top_rules,
}}
},{
tiles = {"mesecons_wire_on.png"},
vertical_conductor_state = "on",
mesecons = {conductor = {
state = mesecon.state.on,
offstate = "mesecons_extrawires:vertical_top_off",
rules = top_rules,
}}
rules = trules
}},
drop = {"mesecons_extrawires:vertical_off"},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
minetest.register_node("mesecons_extrawires:vertical_top_off", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_full_off.png"},
walkable = false,
paramtype = "light",
sunlight_propagates = true,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
selection_box = tbox,
node_box = tbox,
is_vertical_conductor = true,
vertical_conductor_state = "off",
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_top_on",
rules = trules
}},
drop = {"mesecons_extrawires:vertical_off"},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
-- Vertical wire bottom
mesecon.register_node("mesecons_extrawires:vertical_bottom", {
minetest.register_node("mesecons_extrawires:vertical_bottom_on", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_full_on.png"},
walkable = false,
paramtype = "light",
is_ground_content = false,
sunlight_propagates = true,
vertical_conductor_state = "on",
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
selection_box = bottom_box,
node_box = bottom_box,
is_vertical_conductor = true,
drop = "mesecons_extrawires:vertical_off",
after_place_node = vertical_update,
after_dig_node = vertical_update,
sounds = default.node_sound_defaults(),
},{
tiles = {"mesecons_wire_off.png"},
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_bottom_on",
rules = bottom_rules,
}}
},{
tiles = {"mesecons_wire_on.png"},
selection_box = bbox,
node_box = bbox,
mesecons = {conductor = {
state = mesecon.state.on,
offstate = "mesecons_extrawires:vertical_bottom_off",
rules = bottom_rules,
}}
rules = brules
}},
drop = {"mesecons_extrawires:vertical_off"},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
minetest.register_node("mesecons_extrawires:vertical_bottom_off", {
description = "Vertical mesecon",
drawtype = "nodebox",
tiles = {"wires_full_off.png"},
walkable = false,
paramtype = "light",
sunlight_propagates = true,
groups = {dig_immediate = 3, not_in_creative_inventory = 1},
selection_box = bbox,
node_box = bbox,
is_vertical_conductor = true,
vertical_conductor_state = "off",
mesecons = {conductor = {
state = mesecon.state.off,
onstate = "mesecons_extrawires:vertical_bottom_on",
rules = brules
}},
drop = {"mesecons_extrawires:vertical_off"},
after_place_node = vertical_update,
after_dig_node = vertical_update
})
minetest.register_craft({

2
mesecons_fpga/depends.txt
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mesecons
screwdriver?

5
mesecons_fpga/doc/fpga/description.html
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FPGAs can be used to chain multiple logic gates together in a compact manner.
They come with 4 I/O ports and 10 internal registers,
which can then be connected with eachother to form logic circuits.<br />
Supported gate types: <b>AND</b>, <b>OR</b>, <b>NOT</b>, <b>XOR</b>, <b>NAND</b>, <b>XNOR</b>, <b>Buffer</b> (=)<br />
I/O ports: <b>A B C D</b>; Registers: numbered <b>0</b> to <b>9</b>

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mesecons_fpga/doc/programmer/description.html
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The FPGA programmer can be used to copy gate configurations from one FPGA to another.<br />
Shift+Right-Click an FPGA to read its configuration and "remember" it.
Left-click (punch) FPGAs to write the saved configuration to them.

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420
mesecons_fpga/init.lua
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@ -1,420 +0,0 @@
local plg = {}
plg.rules = {}
local lcore = dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/logic.lua")
dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/tool.lua")(plg)
plg.register_nodes = function(template)
-- each loop is for one of the 4 IO ports
for a = 0, 1 do
for b = 0, 1 do
for c = 0, 1 do
for d = 0, 1 do
local ndef = table.copy(template)
local nodename = "mesecons_fpga:fpga"
.. tostring(d) .. tostring(c) .. tostring(b) .. tostring(a)
-- build top texture string
local texture = "jeija_fpga_top.png"
if a == 1 then texture = texture .. "^jeija_microcontroller_LED_A.png" end
if b == 1 then texture = texture .. "^jeija_microcontroller_LED_B.png" end
if c == 1 then texture = texture .. "^jeija_microcontroller_LED_C.png" end
if d == 1 then texture = texture .. "^jeija_microcontroller_LED_D.png" end
ndef.tiles[1] = texture
ndef.inventory_image = texture
if (a + b + c + d) > 0 then
ndef.groups["not_in_creative_inventory"] = 1
end
-- interaction with mesecons (input / output)
local rules_out = {}
if a == 1 then table.insert(rules_out, {x = -1, y = 0, z = 0}) end
if b == 1 then table.insert(rules_out, {x = 0, y = 0, z = 1}) end
if c == 1 then table.insert(rules_out, {x = 1, y = 0, z = 0}) end
if d == 1 then table.insert(rules_out, {x = 0, y = 0, z = -1}) end
plg.rules[nodename] = rules_out
local rules_in = {}
if a == 0 then table.insert(rules_in, {x = -1, y = 0, z = 0}) end
if b == 0 then table.insert(rules_in, {x = 0, y = 0, z = 1}) end
if c == 0 then table.insert(rules_in, {x = 1, y = 0, z = 0}) end
if d == 0 then table.insert(rules_in, {x = 0, y = 0, z = -1}) end
ndef.mesecons.effector.rules = rules_in
if (a + b + c + d) > 0 then
ndef.mesecons.receptor = {
state = mesecon.state.on,
rules = rules_out,
}
end
minetest.register_node(nodename, ndef)
end
end
end
end
end
plg.register_nodes({
description = "FPGA",
drawtype = "nodebox",
tiles = {
"", -- replaced later
"jeija_microcontroller_bottom.png",
"jeija_fpga_sides.png",
"jeija_fpga_sides.png",
"jeija_fpga_sides.png",
"jeija_fpga_sides.png"
},
inventory_image = "", -- replaced later
is_ground_content = false,
sunlight_propagates = true,
paramtype = "light",
walkable = true,
groups = {dig_immediate = 2, mesecon = 3, overheat = 1},
drop = "mesecons_fpga:fpga0000",
selection_box = {
type = "fixed",
fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 },
},
node_box = {
type = "fixed",
fixed = {
{ -8/16, -8/16, -8/16, 8/16, -7/16, 8/16 }, -- bottom slab
{ -5/16, -7/16, -5/16, 5/16, -6/16, 5/16 }, -- circuit board
{ -3/16, -6/16, -3/16, 3/16, -5/16, 3/16 }, -- IC
}
},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local is = { {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {} }
meta:set_string("instr", lcore.serialize(is))
meta:set_int("valid", 0)
meta:set_string("formspec", plg.to_formspec_string(is))
meta:set_string("infotext", "FPGA")
end,
on_receive_fields = function(pos, formname, fields, sender)
if fields.program == nil then return end -- we only care when the user clicks "Program"
local meta = minetest.get_meta(pos)
local is = plg.from_formspec_fields(fields)
meta:set_string("instr", lcore.serialize(is))
plg.update_formspec(pos, is)
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {
effector = {
rules = {}, -- replaced later
action_change = function(pos, node, rule, newstate)
plg.ports_changed(pos, rule, newstate)
plg.update(pos)
end
}
},
after_dig_node = function(pos, node)
mesecon.receptor_off(pos, plg.rules[node.name])
end,
on_blast = mesecon.on_blastnode,
on_rotate = function(pos, node, user, mode)
local abcd1 = {"A", "B", "C", "D"}
local abcd2 = {A = 1, B = 2, C = 3, D = 4}
local ops = {"op1", "op2", "dst"}
local dir = 0
if mode == screwdriver.ROTATE_FACE then -- clock-wise
dir = 1
if user and user:is_player() then
minetest.chat_send_player(user:get_player_name(),
"FPGA ports have been rotated clockwise.")
end
elseif mode == screwdriver.ROTATE_AXIS then -- counter-clockwise
dir = -1
if user and user:is_player() then
minetest.chat_send_player(user:get_player_name(),
"FPGA ports have been rotated counter-clockwise.")
end
end
local meta = minetest.get_meta(pos)
local instr = lcore.deserialize(meta:get_string("instr"))
for i = 1, #instr do
for _, op in ipairs(ops) do
local o = instr[i][op]
if o and o.type == "io" then
local num = abcd2[o.port]
num = num + dir
if num > 4 then num = 1
elseif num < 1 then num = 4 end
instr[i][op].port = abcd1[num]
end
end
end
meta:set_string("instr", lcore.serialize(instr))
plg.update_formspec(pos, instr)
return true
end,
})
plg.to_formspec_string = function(is)
local function dropdown_op(x, y, name, val)
local s = "dropdown[" .. tostring(x) .. "," .. tostring(y) .. ";"
.. "0.75,0.5;" .. name .. ";" -- the height seems to be ignored?
s = s .. " ,A,B,C,D,0,1,2,3,4,5,6,7,8,9;"
if val == nil then
s = s .. "0" -- actually selects no field at all
elseif val.type == "io" then
local mapping = {
["A"] = 1,
["B"] = 2,
["C"] = 3,
["D"] = 4,
}
s = s .. tostring(1 + mapping[val.port])
else -- "reg"
s = s .. tostring(6 + val.n)
end
return s .. "]"
end
local function dropdown_action(x, y, name, val)
local s = "dropdown[" .. tostring(x) .. "," .. tostring(y) .. ";"
.. "1.125,0.5;" .. name .. ";" -- the height seems to be ignored?
s = s .. " , AND, OR, NOT, XOR,NAND, =,XNOR;"
if val == nil then
return s .. "0]" -- actually selects no field at all
end
local mapping = {
["and"] = 1,
["or"] = 2,
["not"] = 3,
["xor"] = 4,
["nand"] = 5,
["buf"] = 6,
["xnor"] = 7,
}
return s .. tostring(1 + mapping[val]) .. "]"
end
local s = "size[9,9]"..
"label[3.4,-0.15;FPGA gate configuration]"..
"button_exit[7,7.5;2,2.5;program;Program]"..
"box[4.2,0.5;0.03,7;#ffffff]"..
"label[0.25,0.25;op. 1]"..
"label[1.0,0.25;gate type]"..
"label[2.125,0.25;op. 2]"..
"label[3.15,0.25;dest]"..
"label[4.5,0.25;op. 1]"..
"label[5.25,0.25;gate type]"..
"label[6.375,0.25;op. 2]"..
"label[7.4,0.25;dest]"
local x = 1 - 0.75
local y = 1 - 0.25
for i = 1, 14 do
local cur = is[i]
s = s .. dropdown_op (x , y, tostring(i).."op1", cur.op1)
s = s .. dropdown_action(x+0.75 , y, tostring(i).."act", cur.action)
s = s .. dropdown_op (x+1.875, y, tostring(i).."op2", cur.op2)
s = s .. "label[" .. tostring(x+2.625) .. "," .. tostring(y+0.1) .. "; ->]"
s = s .. dropdown_op (x+2.9 , y, tostring(i).."dst", cur.dst)
y = y + 1
if i == 7 then
x = 4.5
y = 1 - 0.25
end
end
return s
end
plg.from_formspec_fields = function(fields)
local function read_op(s)
if s == nil or s == " " then
return nil
elseif s == "A" or s == "B" or s == "C" or s == "D" then
return {type = "io", port = s}
else
return {type = "reg", n = tonumber(s)}
end
end
local function read_action(s)
if s == nil or s == " " then
return nil
end
local mapping = {
["AND"] = "and",
["OR"] = "or",
["NOT"] = "not",
["XOR"] = "xor",
["NAND"] = "nand",
["="] = "buf",
["XNOR"] = "xnor",
}
s = s:gsub("^%s*", "") -- remove leading spaces
return mapping[s]
end
local is = {}
for i = 1, 14 do
local cur = {}
cur.op1 = read_op(fields[tonumber(i) .. "op1"])
cur.action = read_action(fields[tonumber(i) .. "act"])
cur.op2 = read_op(fields[tonumber(i) .. "op2"])
cur.dst = read_op(fields[tonumber(i) .. "dst"])
is[#is + 1] = cur
end
return is
end
plg.update_formspec = function(pos, is)
if type(is) == "string" then -- serialized string
is = lcore.deserialize(is)
end
local meta = minetest.get_meta(pos)
local form = plg.to_formspec_string(is)
local err = lcore.validate(is)
if err == nil then
meta:set_int("valid", 1)
meta:set_string("infotext", "FPGA (functional)")
else
meta:set_int("valid", 0)
meta:set_string("infotext", "FPGA")
local fmsg = minetest.colorize("#ff0000", minetest.formspec_escape(err.msg))
form = form .. plg.red_box_around(err.i) ..
"label[0.25,8.25;The gate configuration is erroneous in the marked area:]"..
"label[0.25,8.5;" .. fmsg .. "]"
end
meta:set_string("formspec", form)
-- reset ports and run programmed logic
plg.setports(pos, false, false, false, false)
plg.update(pos)
end
plg.red_box_around = function(i)
local x, y
if i > 7 then
x = 4.5
y = 0.75 + (i - 8)
else
x = 0.25
y = 0.75 + (i - 1)
end
return string.format("box[%f,%f;3.8,0.8;#ff0000]", x-0.1, y-0.05)
end
plg.update = function(pos)
local meta = minetest.get_meta(pos)
if meta:get_int("valid") ~= 1 then
return
elseif mesecon.do_overheat(pos) then
plg.setports(pos, false, false, false, false)
meta:set_int("valid", 0)
meta:set_string("infotext", "FPGA (overheated)")
return
end
local is = lcore.deserialize(meta:get_string("instr"))
local A, B, C, D = plg.getports(pos)
A, B, C, D = lcore.interpret(is, A, B, C, D)
plg.setports(pos, A, B, C, D)
end
plg.ports_changed = function(pos, rule, newstate)
if rule == nil then return end
local meta = minetest.get_meta(pos)
local states
local s = meta:get_string("portstates")
if s == nil then
states = {false, false, false, false}
else
states = {
s:sub(1, 1) == "1",
s:sub(2, 2) == "1",
s:sub(3, 3) == "1",
s:sub(4, 4) == "1",
}
end
-- trick to transform rules (see register_node) into port number
local portno = ({4, 1, nil, 3, 2})[3 + rule.x + 2*rule.z]
states[portno] = (newstate == "on")
meta:set_string("portstates",
(states[1] and "1" or "0") .. (states[2] and "1" or "0") ..
(states[3] and "1" or "0") .. (states[4] and "1" or "0")
)
end
plg.getports = function(pos) -- gets merged states of INPUT & OUTPUT
local sin, sout
local s = minetest.get_meta(pos):get_string("portstates")
if s == nil then
sin = {false, false, false, false}
else
sin = {
s:sub(1, 1) == "1",
s:sub(2, 2) == "1",
s:sub(3, 3) == "1",
s:sub(4, 4) == "1",
}
end
local name = minetest.get_node(pos).name
assert(name:find("mesecons_fpga:fpga") == 1)
local off = #"mesecons_fpga:fpga"
sout = {
name:sub(off+4, off+4) == "1",
name:sub(off+3, off+3) == "1",
name:sub(off+2, off+2) == "1",
name:sub(off+1, off+1) == "1",
}
return unpack({
sin[1] or sout[1],
sin[2] or sout[2],
sin[3] or sout[3],
sin[4] or sout[4],
})
end
plg.setports = function(pos, A, B, C, D) -- sets states of OUTPUT
local base = "mesecons_fpga:fpga"
local name = base
.. (D and "1" or "0") .. (C and "1" or "0")
.. (B and "1" or "0") .. (A and "1" or "0")
minetest.swap_node(pos, {name = name, param2 = minetest.get_node(pos).param2})
if A ~= nil then
local ru = plg.rules[base .. "0001"]
if A then mesecon.receptor_on(pos, ru) else mesecon.receptor_off(pos, ru) end
end
if B ~= nil then
local ru = plg.rules[base .. "0010"]
if B then mesecon.receptor_on(pos, ru) else mesecon.receptor_off(pos, ru) end
end
if C ~= nil then
local ru = plg.rules[base .. "0100"]
if C then mesecon.receptor_on(pos, ru) else mesecon.receptor_off(pos, ru) end
end
if D ~= nil then
local ru = plg.rules[base .. "1000"]
if D then mesecon.receptor_on(pos, ru) else mesecon.receptor_off(pos, ru) end
end
end
minetest.register_craft({
output = "mesecons_fpga:fpga0000 2",
recipe = {
{'group:mesecon_conductor_craftable', 'group:mesecon_conductor_craftable'},
{'mesecons_materials:silicon', 'mesecons_materials:silicon'},
{'group:mesecon_conductor_craftable', 'group:mesecon_conductor_craftable'},
}
})

210
mesecons_fpga/logic.lua
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@ -1,210 +0,0 @@
local lg = {}
-- (de)serialize
lg.serialize = function(t)
local function _op(t)
if t == nil then
return " "
elseif t.type == "io" then
return t.port
else -- t.type == "reg"
return tostring(t.n)
end
end
local function _action(s)
if s == nil then
return " "
end
local mapping = {
["and"] = "&",
["or"] = "|",
["not"] = "~",
["xor"] = "^",
["nand"] = "?", --dunno
["buf"] = "_",
["xnor"] = "=",
}
return mapping[s]
end
local s = ""
for i = 1, 14 do
local cur = t[i]
if next(cur) ~= nil then
s = s .. _op(cur.op1) .. _action(cur.action) .. _op(cur.op2) .. _op(cur.dst)
end
s = s .. "/"
end
return s
end
lg.deserialize = function(s)
local function _op(c)
if c == "A" or c == "B" or c == "C" or c == "D" then
return {type = "io", port = c}
elseif c == " " then
return nil
else
return {type = "reg", n = tonumber(c)}
end
end
local function _action(c)
local mapping = {
["&"] = "and",
["|"] = "or",
["~"] = "not",
["^"] = "xor",
["?"] = "nand",
["_"] = "buf",
["="] = "xnor",
[" "] = nil,
}
return mapping[c]
end
local ret = {}
for part in s:gmatch("(.-)/") do
local parsed
if part == "" then
parsed = {}
else
parsed = {
action = _action( part:sub(2,2) ),
op1 = _op( part:sub(1,1) ),
op2 = _op( part:sub(3,3) ),
dst = _op( part:sub(4,4) ),
}
end
ret[#ret + 1] = parsed
end
-- More than 14 instructions (write to all 10 regs + 4 outputs)
-- will not pass the write-once requirement of the validator
assert(#ret == 14)
return ret
end
-- validation
lg.validate_single = function(t, i)
local function is_reg_written_to(t, n, max)
for i = 1, max-1 do
if next(t[i]) ~= nil
and t[i].dst and t[i].dst.type == "reg"
and t[i].dst.n == n then
return true
end
end
return false
end
local function compare_op(t1, t2, allow_same_io)
if t1 == nil or t2 == nil then
return false
elseif t1.type ~= t2.type then
return false
end
if t1.type == "reg" and t1.n == t2.n then
return true
elseif t1.type == "io" and t1.port == t2.port then
return not allow_same_io
end
return false
end
local elem = t[i]
-- check for completeness
if elem.action == nil then
return {i = i, msg = "Gate type required"}
elseif elem.action == "not" or elem.action == "buf" then
if elem.op1 ~= nil or elem.op2 == nil or elem.dst == nil then
return {i = i, msg = "Second operand (only) and destination required"}
end
else
if elem.op1 == nil or elem.op2 == nil or elem.dst == nil then
return {i = i, msg = "Operands and destination required"}
end
end
-- check whether operands/destination are identical
if compare_op(elem.op1, elem.op2) then
return {i = i, msg = "Operands cannot be identical"}
end
if compare_op(elem.op1, elem.dst, true) or compare_op(elem.op2, elem.dst, true) then
return {i = i, msg = "Destination and operands must be different"}
end
-- check whether operands point to defined registers
if elem.op1 ~= nil and elem.op1.type == "reg"
and not is_reg_written_to(t, elem.op1.n, i) then
return {i = i, msg = "First operand is undefined register"}
end
if elem.op2.type == "reg" and not is_reg_written_to(t, elem.op2.n, i) then
return {i = i, msg = "Second operand is undefined register"}
end
-- check whether destination points to undefined register
if elem.dst.type == "reg" and is_reg_written_to(t, elem.dst.n, i) then
return {i = i, msg = "Destination is already used register"}
end
return nil
end
lg.validate = function(t)
for i = 1, 14 do
if next(t[i]) ~= nil then
local r = lg.validate_single(t, i)
if r ~= nil then
return r
end
end
end
return nil
end
-- interpreter
lg.interpret = function(t, a, b, c, d)
local function _action(s, v1, v2)
if s == "and" then
return v1 and v2
elseif s == "or" then
return v1 or v2
elseif s == "not" then
return not v2
elseif s == "xor" then
return v1 ~= v2
elseif s == "nand" then
return not (v1 and v2)
elseif s == "buf" then
return v2
else -- s == "xnor"
return v1 == v2
end
end
local function _op(t, regs, io_in)
if t.type == "reg" then
return regs[t.n]
else -- t.type == "io"
return io_in[t.port]
end
end
local io_in = {A=a, B=b, C=c, D=d}
local regs = {}
local io_out = {}
for i = 1, 14 do
local cur = t[i]
if next(cur) ~= nil then
local v1, v2
if cur.op1 ~= nil then
v1 = _op(cur.op1, regs, io_in)
end
v2 = _op(cur.op2, regs, io_in)
local result = _action(cur.action, v1, v2)
if cur.dst.type == "reg" then
regs[cur.dst.n] = result
else -- cur.dst.type == "io"
io_out[cur.dst.port] = result
end
end
end
return io_out.A, io_out.B, io_out.C, io_out.D
end
return lg

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mesecons_fpga/tool.lua
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return function(plg)
minetest.register_tool("mesecons_fpga:programmer", {
description = "FPGA Programmer",
inventory_image = "jeija_fpga_programmer.png",
stack_max = 1,
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local pos = pointed_thing.under
if minetest.get_node(pos).name:find("mesecons_fpga:fpga") ~= 1 then
return itemstack
end
local meta = minetest.get_meta(pos)
if meta:get_string("instr") == "//////////////" then
minetest.chat_send_player(placer:get_player_name(), "This FPGA is unprogrammed.")
return itemstack
end
itemstack:set_metadata(meta:get_string("instr"))
minetest.chat_send_player(placer:get_player_name(), "FPGA gate configuration was successfully copied!")
return itemstack
end,
on_use = function(itemstack, user, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local pos = pointed_thing.under
if minetest.get_node(pos).name:find("mesecons_fpga:fpga") ~= 1 then
return itemstack
end
local imeta = itemstack:get_metadata()
if imeta == "" then
minetest.chat_send_player(user:get_player_name(), "Use shift+right-click to copy a gate configuration first.")
return itemstack
end
local meta = minetest.get_meta(pos)
meta:set_string("instr", imeta)
plg.update_formspec(pos, imeta)
minetest.chat_send_player(user:get_player_name(), "Gate configuration was successfully written to FPGA!")
return itemstack
end
})
minetest.register_craft({
output = "mesecons_fpga:programmer",
recipe = {
{'group:mesecon_conductor_craftable'},
{'mesecons_materials:silicon'},
}
})
end

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AND gates power their output if both inputs (from left and right) are powered.

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Diodes conduct signals in one direction only.

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NAND gates do not power their output if both inputs (from left and right) are powered, but power it in every other case.

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NOR gates only power their output if none of their two inputs is powered. They are basically OR gates with a NOT gate at their output.

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NOT gates invert signals, just like a mesecon torch does, but faster. The input is at the opposite side of the output.

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OR gates power their output if either of their inputs (or both) are powered. You could basically get the same behaviour with two diodes, but OR gates save some space.

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