diff options
| -rw-r--r-- | mesecons/init.lua | 2 | ||||
| -rw-r--r-- | mesecons/internal.lua | 10 | ||||
| -rw-r--r-- | mesecons_luacontroller/depends.txt | 1 | ||||
| -rw-r--r-- | mesecons_luacontroller/init.lua | 449 | ||||
| -rw-r--r-- | mesecons_textures/textures/jeija_close_window.png | bin | 0 -> 323 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luac_background.png | bin | 0 -> 2016 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luac_runbutton.png | bin | 0 -> 4262 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luacontroller_LED_A.png | bin | 0 -> 3541 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luacontroller_LED_B.png | bin | 0 -> 3537 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luacontroller_LED_C.png | bin | 0 -> 3537 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luacontroller_LED_D.png | bin | 0 -> 3537 bytes | |||
| -rw-r--r-- | mesecons_textures/textures/jeija_luacontroller_top.png | bin | 0 -> 11913 bytes |
12 files changed, 456 insertions, 6 deletions
diff --git a/mesecons/init.lua b/mesecons/init.lua index 50ed4ca..7f6fe5d 100644 --- a/mesecons/init.lua +++ b/mesecons/init.lua @@ -98,7 +98,7 @@ function mesecon:receptor_off(pos, rules) if not mesecon:connected_to_receptor(np) then mesecon:turnoff(np, rulename) else - mesecon:changesignal(np, minetest.env:get_node(np), rulename) + mesecon:changesignal(np, minetest.env:get_node(np), rulename, mesecon.state.off) end end end diff --git a/mesecons/internal.lua b/mesecons/internal.lua index 2d84787..5e243cf 100644 --- a/mesecons/internal.lua +++ b/mesecons/internal.lua @@ -24,7 +24,7 @@ -- SIGNALS -- 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) --> Changes the effector node at the specific pos (calls nodedef.mesecons.effector.action_change) +-- 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 @@ -193,10 +193,10 @@ function mesecon:deactivate(pos, node, rulename) end end -function mesecon:changesignal(pos, node, rulename) +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) + effector.action_change (pos, node, rulename, newstate) end end @@ -299,7 +299,7 @@ function mesecon:turnon(pos, rulename) end end elseif mesecon:is_effector(node.name) then - mesecon:changesignal(pos, node, rulename) + mesecon:changesignal(pos, node, rulename, mesecon.state.on) if mesecon:is_effector_off(node.name) then mesecon:activate(pos, node, rulename) end @@ -322,7 +322,7 @@ function mesecon:turnoff(pos, rulename) end end elseif mesecon:is_effector(node.name) then - mesecon:changesignal(pos, node, rulename) + 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) diff --git a/mesecons_luacontroller/depends.txt b/mesecons_luacontroller/depends.txt new file mode 100644 index 0000000..acaa924 --- /dev/null +++ b/mesecons_luacontroller/depends.txt @@ -0,0 +1 @@ +mesecons diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua new file mode 100644 index 0000000..91551a1 --- /dev/null +++ b/mesecons_luacontroller/init.lua @@ -0,0 +1,449 @@ +-- Reference +-- ports = get_real_portstates(pos): gets if inputs are powered from outside +-- newport = merge_portstates(state1, state2): just does result = state1 or state2 for every port +-- action_setports(pos, ports, vports): activates/deactivates the mesecons according to the portstates (helper for action) +-- action(pos, ports): Applies new portstates to a luacontroller at pos +-- lc_update(pos): updates the controller at pos by executing the code +-- reset_meta (pos, code, errmsg): performs a software-reset, installs new code and prints error messages +-- reset (pos): performs a hardware reset, turns off all ports +-- +-- The Sandbox +-- The whole code of the controller runs in a sandbox, +-- a very restricted environment. +-- However, as this does not prevent you from using e.g. loops, +-- we need to check for these prohibited commands first. +-- Actually the only way to damage the server is to +-- use too much memory from the sandbox. +-- You can add more functions to the environment +-- (see where local env is defined) +-- Something nice to play is is appending minetest.env to it. + +local BASENAME = "mesecons_luacontroller:luacontroller" + +local rules = {} +rules.a = {x = -1, y = 0, z = 0, name="A"} +rules.b = {x = 0, y = 0, z = 1, name="B"} +rules.c = {x = 1, y = 0, z = 0, name="C"} +rules.d = {x = 0, y = 0, z = -1, name="D"} + +------------------ +-- Action stuff -- +------------------ +-- These helpers are required to set the portstates of the luacontroller + +local get_real_portstates = function(pos) -- determine if ports are powered (by itself or from outside) + ports = { + a = mesecon:is_power_on(mesecon:addPosRule(pos, rules.a)) + and mesecon:rules_link(mesecon:addPosRule(pos, rules.a), pos), + b = mesecon:is_power_on(mesecon:addPosRule(pos, rules.b)) + and mesecon:rules_link(mesecon:addPosRule(pos, rules.b), pos), + c = mesecon:is_power_on(mesecon:addPosRule(pos, rules.c)) + and mesecon:rules_link(mesecon:addPosRule(pos, rules.c), pos), + d = mesecon:is_power_on(mesecon:addPosRule(pos, rules.d)) + and mesecon:rules_link(mesecon:addPosRule(pos, rules.d), pos), + } + return ports +end + +local merge_portstates = function (ports, vports) + local npo = {a=false, b=false, c=false, d=false} + npo.a = vports.a or ports.a + npo.b = vports.b or ports.b + npo.c = vports.c or ports.c + npo.d = vports.d or ports.d + return npo +end + +local generate_name = function (ports, overwrite) + local overwrite = overwrite or {} + local d = overwrite.d or (ports.d and 1 or 0) + local c = overwrite.d or (ports.c and 1 or 0) + local b = overwrite.d or (ports.b and 1 or 0) + local a = overwrite.d or (ports.a and 1 or 0) + return BASENAME..d..c..b..a +end + +local setport = function (pos, rule, ignore, state, ports) + local ignorename = generate_name(ports, ignore) + mesecon:swap_node(pos, ignorename) + if state then + mesecon:receptor_on(pos, {rule}) + else + mesecon:receptor_off(pos, {rule}) + end + if minetest.env:get_node(pos).name ~= ignorename then + return true -- overridden by second process + end + return false -- success +end + +local action = function (pos, ports, forcereset) + local name = minetest.env:get_node(pos).name + local vports = minetest.registered_nodes[name].virtual_portstates + local newname = generate_name(ports) + + if name ~= newname and vports then + local rules_on = {} + local rules_off = {} + local ignore = {} + + local interrupted + if ports.a ~= vports.a then interrupted = setport(pos, rules.a, {a = 2}, ports.a, ports) end + if interrupted and not forcereset then return end + if ports.b ~= vports.b then interrupted = setport(pos, rules.b, {b = 2}, ports.b, ports) end + if interrupted and not forcereset then return end + if ports.c ~= vports.c then interrupted = setport(pos, rules.c, {c = 2}, ports.c, ports) end + if interrupted and not forcereset then return end + if ports.d ~= vports.d then interrupted = setport(pos, rules.d, {d = 2}, ports.d, ports) end + if interrupted and not forcereset then return end + + mesecon:swap_node(pos, newname) + end +end + +local delayedaction = function (params) + action(params.pos, params.ports) +end + +-------------------- +-- Overheat stuff -- +-------------------- + +local heat = function (meta) -- warm up + h = meta:get_int("heat") + if h ~= nil then + meta:set_int("heat", h + 1) + end +end + +local cool = function (meta) -- cool down after a while + h = meta:get_int("heat") + if h ~= nil then + meta:set_int("heat", h - 1) + end +end + +local overheat = function (meta) -- determine if too hot + h = meta:get_int("heat") + if h == nil then return true end -- if nil then overheat + if h > 20 then + return true + else + return false + end +end + +local overheat_off = function(pos) + mesecon:receptor_off(pos, mesecon.rules.flat) +end + +------------------- +-- Parsing stuff -- +------------------- + +local code_prohibited = function(code) + -- Clean code + local prohibited = {"while", "for", "repeat", "until", "function"} + for _, p in ipairs(prohibited) do + if string.find(code, p) then + return "Prohibited command: "..p + end + end +end + +local safeprint = function(param) + print(dump(param)) +end + +local interrupt = function(params) + lc_update(params.pos, {type="interrupt", iid = params.iid}) +end + +local getinterrupt = function(pos) + local interrupt = function (time, iid) -- iid = interrupt id + if type(time) ~= "number" then return end + local meta = minetest.env:get_meta(pos) + local interrupts = minetest.deserialize(meta:get_string("lc_interrupts")) or {} + table.insert (interrupts, iid or 0) + meta:set_string("lc_interrupts", minetest.serialize(interrupts)) + minetest.after(time, interrupt, {pos=pos, iid = iid}) + end + return interrupt +end + +local getdigiline_send = function (pos) + local digiline_send = function (channel, msg) + if digiline then + digiline:receptor_send(pos, digiline.rules.default, channel, msg) + end + end + return digiline_send +end + +local create_environment = function(pos, mem, event) + -- Gather variables for the environment + local vports = minetest.registered_nodes[minetest.env:get_node(pos).name].virtual_portstates + vports = {a = vports.a, b = vports.b, c = vports.c, d = vports.d} + local rports = get_real_portstates(pos) + + return { print = safeprint, + pin = merge_portstates(vports, rports), + port = vports, + interrupt = getinterrupt(pos), + digiline_send = getdigiline_send(pos), + mem = mem, + tostring = tostring, + tonumber = tonumber, + string = string, + event = event} +end + +local create_sandbox = function (code, env) + -- Create Sandbox + if code:byte(1) == 27 then + return _, "You Hacker You! Don't use binary code!" + end + f, msg = loadstring(code) + if not f then return _, msg end + setfenv(f, env) + return f +end + +local do_overheat = function (pos, meta) + -- Overheat protection + heat(meta) + minetest.after(0.5, cool, meta) + if overheat(meta) then + minetest.env:remove_node(pos) + minetest.after(0.2, overheat_off, pos) -- wait for pending operations + minetest.env:add_item(pos, BASENAME.."0000") + return true + end +end + +local load_memory = function(meta) + return minetest.deserialize(meta:get_string("lc_memory")) or {} +end + +local save_memory = function(meta, mem) + meta:set_string("lc_memory", minetest.serialize(mem)) +end + +local interrupt_allow = function (meta, event) + if event.type ~= "interrupt" then return true end + + local interrupts = minetest.deserialize(meta:get_string("lc_interrupts")) or {} + for _, i in ipairs(interrupts) do + if minetest.serialize(i) == minetest.serialize(event.iid) then + return true + end + end + + return false +end + +local ports_invalid = function (var) + if type(var) == "table" then + return false + end + return "The ports you set are invalid" +end + +---------------------- +-- Parsing function -- +---------------------- + +lc_update = function (pos, event) + local meta = minetest.env:get_meta(pos) + if not interrupt_allow(meta, event) then return end + if do_overheat(pos, meta) then return end + + -- load code & mem from memory + local mem = load_memory(meta) + local code = meta:get_string("code") + + -- make sure code is ok and create environment + local prohibited = code_prohibited(code) + if prohibited then return prohibited end + local env = create_environment(pos, mem, event) + + -- create the sandbox and execute code + local chunk, msg = create_sandbox (code, env) + if not chunk then return msg end + local success, msg = pcall(f) + if not success then return msg end + if ports_invalid(env.port) then return ports_invalid(env.port) end + + save_memory(meta, mem) + + -- Actually set the ports + minetest.after(0, delayedaction, {pos = pos, ports = env.port}) +end + +local reset_meta = function(pos, code, errmsg) + local meta = minetest.env:get_meta(pos) + code = code or ""; + errmsg = errmsg or ""; + errmsg = string.gsub(errmsg, "%[", "(") -- would otherwise + errmsg = string.gsub(errmsg, "%]", ")") -- corrupt formspec + meta:set_string("code", code) + meta:set_string("formspec", "size[10,8]".. + "background[-0.2,-0.25;10.4,8.75;jeija_luac_background.png]".. + "textarea[0.2,0.6;10.2,5;code;;"..code.."]".. + "image_button[3.75,6;2.5,1;jeija_luac_runbutton.png;program;]".. + "image_button_exit[9.72,-0.25;0.425,0.4;jeija_close_window.png;exit;]".. + "label[0.1,5;"..errmsg.."]") + meta:set_int("heat", 0) +end + +local reset = function (pos) + action(pos, {a=false, b=false, c=false, d=false}, true) +end + +-- ______ +-- | +-- | | | +-- |___| | __ ___ _ __ _ _ +-- | | | | |\ | | |_| | | | | |_ |_| +-- | |______ |__| | \| | | \ |__| |_ |_ |_ |\ +-- + +----------------------- +-- Node Registration -- +----------------------- + +local output_rules={} +local input_rules={} + +local nodebox = { + 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 + } + } + +local selectionbox = { + type = "fixed", + fixed = { -8/16, -8/16, -8/16, 8/16, -5/16, 8/16 }, + } + +local digiline = { + receptor = {}, + effector = { + action = function (pos, node, channel, msg) + lc_update (pos, {type = "digiline", channel = channel, msg = msg}) + end + } +} + +for a = 0, 2 do -- 0 = off; 1 = on; 2 = ignore +for b = 0, 2 do +for c = 0, 2 do +for d = 0, 2 do + +local cid = tostring(d)..tostring(c)..tostring(b)..tostring(a) +local nodename = BASENAME..cid +local top = "jeija_luacontroller_top.png" +if a == 1 then + top = top.."^jeija_luacontroller_LED_A.png" +end +if b == 1 then + top = top.."^jeija_luacontroller_LED_B.png" +end +if c == 1 then + top = top.."^jeija_luacontroller_LED_C.png" +end +if d == 1 then + top = top.."^jeija_luacontroller_LED_D.png" +end + +if a + b + c + d ~= 0 then + groups = {dig_immediate=2, not_in_creative_inventory=1} +else + groups = {dig_immediate=2} +end + +output_rules[cid] = {} +input_rules[cid] = {} +if (a == 1) then table.insert(output_rules[cid], rules.a) end +if (b == 1) then table.insert(output_rules[cid], rules.b) end +if (c == 1) then table.insert(output_rules[cid], rules.c) end +if (d == 1) then table.insert(output_rules[cid], rules.d) end + +if (a == 0) then table.insert(input_rules[cid], rules.a) end +if (b == 0) then table.insert(input_rules[cid], rules.b) end +if (c == 0) then table.insert(input_rules[cid], rules.c) end +if (d == 0) then table.insert(input_rules[cid], rules.d) end + +local mesecons = { + effector = + { + rules = input_rules[cid], + action_change = function (pos, _, rulename, newstate) + lc_update(pos, {type=newstate, pin=rulename}) + end, + }, + receptor = + { + state = mesecon.state.on, + rules = output_rules[cid] + } +} + +minetest.register_node(nodename, { + description = "Luacontroller", + drawtype = "nodebox", + tiles = { + top, + "jeija_microcontroller_bottom.png", + "jeija_microcontroller_sides.png", + "jeija_microcontroller_sides.png", + "jeija_microcontroller_sides.png", + "jeija_microcontroller_sides.png" + }, + + paramtype = "light", + groups = groups, + drop = BASENAME.."0000", + sunlight_propagates = true, + selection_box = selectionbox, + node_box = nodebox, + on_construct = reset_meta, + on_receive_fields = function(pos, formname, fields) + reset(pos) + reset_meta(pos, fields.code) + local err = lc_update(pos, {type="program"}) + if err then print(err) end + reset_meta(pos, fields.code, err) + end, + mesecons = mesecons, + digiline = digiline, + is_luacontroller = true, + virtual_portstates = { a = a == 1, -- virtual portstates are + b = b == 1, -- the ports the the + c = c == 1, -- controller powers itself + d = d == 1},-- so those that light up + after_dig_node = function (pos, node) + mesecon:receptor_off(pos, output_rules) + end, +}) +end +end +end +end + +------------------------ +-- Craft Registration -- +------------------------ + +minetest.register_craft({ + output = BASENAME.."0000 2", + recipe = { + {'mesecons_materials:silicon', 'mesecons_materials:silicon', 'group:mesecon_conductor_craftable'}, + {'mesecons_materials:silicon', 'mesecons_materials:silicon', 'group:mesecon_conductor_craftable'}, + {'group:mesecon_conductor_craftable', 'group:mesecon_conductor_craftable', ''}, + } +}) + diff --git a/mesecons_textures/textures/jeija_close_window.png b/mesecons_textures/textures/jeija_close_window.png Binary files differnew file mode 100644 index 0000000..5c27c6c --- /dev/null +++ b/mesecons_textures/textures/jeija_close_window.png diff --git a/mesecons_textures/textures/jeija_luac_background.png b/mesecons_textures/textures/jeija_luac_background.png Binary files differnew file mode 100644 index 0000000..40e316c --- /dev/null +++ b/mesecons_textures/textures/jeija_luac_background.png diff --git a/mesecons_textures/textures/jeija_luac_runbutton.png b/mesecons_textures/textures/jeija_luac_runbutton.png Binary files differnew file mode 100644 index 0000000..157507f --- /dev/null +++ b/mesecons_textures/textures/jeija_luac_runbutton.png diff --git a/mesecons_textures/textures/jeija_luacontroller_LED_A.png b/mesecons_textures/textures/jeija_luacontroller_LED_A.png Binary files differnew file mode 100644 index 0000000..a187e8e --- /dev/null +++ b/mesecons_textures/textures/jeija_luacontroller_LED_A.png diff --git a/mesecons_textures/textures/jeija_luacontroller_LED_B.png b/mesecons_textures/textures/jeija_luacontroller_LED_B.png Binary files differnew file mode 100644 index 0000000..738ba96 --- /dev/null +++ b/mesecons_textures/textures/jeija_luacontroller_LED_B.png diff --git a/mesecons_textures/textures/jeija_luacontroller_LED_C.png b/mesecons_textures/textures/jeija_luacontroller_LED_C.png Binary files differnew file mode 100644 index 0000000..abe0fe6 --- /dev/null +++ b/mesecons_textures/textures/jeija_luacontroller_LED_C.png diff --git a/mesecons_textures/textures/jeija_luacontroller_LED_D.png b/mesecons_textures/textures/jeija_luacontroller_LED_D.png Binary files differnew file mode 100644 index 0000000..cc10170 --- /dev/null +++ b/mesecons_textures/textures/jeija_luacontroller_LED_D.png diff --git a/mesecons_textures/textures/jeija_luacontroller_top.png b/mesecons_textures/textures/jeija_luacontroller_top.png Binary files differnew file mode 100644 index 0000000..3128230 --- /dev/null +++ b/mesecons_textures/textures/jeija_luacontroller_top.png |
