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-rw-r--r--mesecons_luacontroller/init.lua172
1 files changed, 119 insertions, 53 deletions
diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua
index f24a8ad..c125ec9 100644
--- a/mesecons_luacontroller/init.lua
+++ b/mesecons_luacontroller/init.lua
@@ -3,7 +3,7 @@
-- 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
--- update(pos): updates the controller at pos by executing the code
+-- 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
--
@@ -21,10 +21,10 @@
local BASENAME = "mesecons_luacontroller:luacontroller"
local rules = {}
-rules.a = {x = -1, y = 0, z = 0}
-rules.b = {x = 0, y = 0, z = 1}
-rules.c = {x = 1, y = 0, z = 0}
-rules.d = {x = 0, y = 0, z = -1}
+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 --
@@ -54,35 +54,58 @@ local merge_portstates = function (ports, vports)
return npo
end
-local action_setports = function (pos, ports, vports)
- if vports.a ~= ports.a then
- if ports.a then mesecon:receptor_on(pos, {rules.a})
- else mesecon:receptor_off(pos, {rules.a}) end
+local action_setports_on = function (pos, ports, vports)
+ if vports.a ~= ports.a and ports.a then
+ mesecon:receptor_on(pos, {rules.a})
end
- if vports.b ~= ports.b then
- if ports.b then mesecon:receptor_on(pos, {rules.b})
- else mesecon:receptor_off(pos, {rules.b}) end
+ if vports.b ~= ports.b and ports.b then
+ mesecon:receptor_on(pos, {rules.b})
end
- if vports.c ~= ports.c then
- if ports.c then mesecon:receptor_on(pos, {rules.c})
- else mesecon:receptor_off(pos, {rules.c}) end
+ if vports.c ~= ports.c and ports.c then
+ mesecon:receptor_on(pos, {rules.c})
end
- if vports.d ~= ports.d then
- if ports.d then mesecon:receptor_on(pos, {rules.d})
- else mesecon:receptor_off(pos, {rules.d}) end
+ if vports.d ~= ports.d and ports.d then
+ mesecon:receptor_on(pos, {rules.d})
+ end
+end
+
+local action_setports_off = function (pos, ports, vports)
+ local todo = {}
+ if vports.a ~= ports.a and not ports.a then
+ table.insert(todo, mesecon:addPosRule(pos, rules.a))
+ end
+ if vports.b ~= ports.b and not ports.b then
+ table.insert(todo, mesecon:addPosRule(pos, rules.b))
+ end
+ if vports.c ~= ports.c and not ports.c then
+ table.insert(todo, mesecon:addPosRule(pos, rules.c))
+ end
+ if vports.d ~= ports.d and not ports.d then
+ table.insert(todo, mesecon:addPosRule(pos, rules.d))
+ end
+
+ for _, t in ipairs(todo) do
+ local link, rulename = mesecon:rules_link(pos, t)
+ if link then
+ mesecon:turnoff(t, rulename)
+ end
end
end
local action = function (pos, ports)
- local vports = minetest.registered_nodes[minetest.env:get_node(pos).name].virtual_portstates;
- local name = BASENAME
+ local name = minetest.env:get_node(pos).name
+ local vports = minetest.registered_nodes[name].virtual_portstates
+ local newname = BASENAME
..tonumber(ports.d and 1 or 0)
..tonumber(ports.c and 1 or 0)
..tonumber(ports.b and 1 or 0)
..tonumber(ports.a and 1 or 0)
- mesecon:swap_node(pos, name)
- action_setports (pos, ports, vports)
+ if name ~= newname and vports then
+ action_setports_off (pos, ports, vports)
+ mesecon:swap_node(pos, newname)
+ action_setports_on (pos, ports, vports)
+ end
end
--------------------
@@ -106,7 +129,7 @@ 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 > 30 then
+ if h > 10 then
return true
else
return false
@@ -135,7 +158,22 @@ local safeprint = function(param)
print(dump(param))
end
-local create_environment = function(pos, mem)
+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
+ 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 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}
@@ -144,7 +182,9 @@ local create_environment = function(pos, mem)
return { print = safeprint,
pin = merge_portstates(vports, rports),
port = vports,
- mem = mem}
+ interrupt = getinterrupt(pos),
+ mem = mem,
+ event = event}
end
local create_sandbox = function (code, env)
@@ -178,23 +218,40 @@ 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 i == event.iid then
+ return true
+ end
+ end
+
+ return false
+end
+
----------------------
-- Parsing function --
----------------------
-local update = function (pos)
+lc_update = function (pos, event)
local meta = minetest.env:get_meta(pos)
+ if not interrupt_allow(meta, event) 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)
+ 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)
+ local success, msg = pcall(f, port)
if not success then return msg end
do_overheat(pos, meta)
@@ -235,11 +292,15 @@ end
-- Node Registration --
-----------------------
+local output_rules={}
+local input_rules={}
+
for a = 0, 1 do
for b = 0, 1 do
for c = 0, 1 do
for d = 0, 1 do
-local nodename = BASENAME..tostring(d)..tostring(c)..tostring(b)..tostring(a)
+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"
@@ -260,31 +321,35 @@ else
groups = {dig_immediate=2}
end
-local output_rules={}
-if (a == 1) then table.insert(output_rules, rules.a) end
-if (b == 1) then table.insert(output_rules, rules.b) end
-if (c == 1) then table.insert(output_rules, rules.c) end
-if (d == 1) then table.insert(output_rules, rules.d) end
-
-local input_rules={}
-if (a == 0) then table.insert(input_rules, rules.a) end
-if (b == 0) then table.insert(input_rules, rules.b) end
-if (c == 0) then table.insert(input_rules, rules.c) end
-if (d == 0) then table.insert(input_rules, rules.d) end
-
-local mesecons = {effector =
-{
- rules = input_rules,
- action_change = function (pos)
- update(pos)
- end
-}}
-if nodename ~= BASENAME.."0000" then
- mesecons.receptor = {
+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_on = function (pos, _, rulename)
+ lc_update(pos, {type="on", pin=rulename})
+ end,
+ action_off = function (pos, _, rulename)
+ lc_update(pos, {type="off", pin=rulename})
+ end
+ },
+ receptor =
+ {
state = mesecon.state.on,
- rules = output_rules
+ rules = output_rules[cid]
}
-end
+}
local nodebox = {
type = "fixed",
@@ -322,11 +387,12 @@ minetest.register_node(nodename, {
on_receive_fields = function(pos, formname, fields)
reset(pos)
reset_meta(pos, fields.code)
- local err = update(pos)
+ local err = lc_update(pos, {type="program"})
if err then print(err) end
reset_meta(pos, fields.code, err)
end,
mesecons = mesecons,
+ is_luacontroller = true,
virtual_portstates = { a = a == 1, -- virtual portstates are
b = b == 1, -- the ports the the
c = c == 1, -- controller powers itself