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techpack/smartline/controller.lua

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--[[
SmartLine
=========
Copyright (C) 2018 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
controller.lua:
REPLACED BY SMARTLINE CONTROLLER2 !!!
]]--
local NUM_RULES = 10
local mail_exists = minetest.get_modpath("mail") and mail ~= nil
local sHELP = [[SmartLine Controller Help
Control other nodes by means of rules, according to:
IF <cond1> and/or <cond2> THEN <action>
These rules allow to execute actions based on conditions.
Examples for conditions are:
- the Player Detector detects a player
- a button is pressed
- a node state is fault, blocked, standby,...
- a timer is expired
Actions are:
- switch on/off tubelib nodes, like lamps, door blocks, machines
- send mail/chat messages to the owner
- output a text message to the display
- set timer variables
- set/reset flag variables
Variables and timers:
- 8 flags (set/reset) can be used to store conditions
for later use.
- Action flags (one flag for each rule, set when action is executed)
The flag can be used as condition for subsequent rules.
- 8 timers (resolution in seconds) can be use
for delayed actions.
The controller executes all rules once per second.
Independent how long the input condition stays 'true',
the corresponding action will be triggered only once.
The condition has to become false and then true again, to
re-trigger/execute the action again.
The 'label' has no function. It is only used
to give rules a name.
Edit command examples:
- 'x 1 8' exchange rows 1 with row 8
- 'c 1 2' copy row 1 to 2
- 'd 3' delete row 3
The state view shows the current state of all rules.
The colors show, if conditions are true or false and
if actions were already executed or not.
It has a 'update' button to update the view.
]]
local sOUTPUT = "Press 'help' for edit commands"
--
-- Helper functions
--
local function create_kv_list(elem)
local a = {}
for i,v in ipairs(elem) do
a[v] = i
end
return a
end
local function output(label, prefix, postfix, kvTbl)
local tbl = {label..": "}
for k,v in pairs(kvTbl) do
tbl[#tbl+1] = prefix..k..postfix.."="..v..", "
end
return table.concat(tbl)
end
--
-- Conditions
--
-- tables with all data from condition/action registrations
local kvRegisteredCond = {}
local kvRegisteredActn = {}
-- list of keys for conditions/actions
local aCondTypes = {}
local aActnTypes = {}
-- list of titles for conditions/actions
local aCondTitles = {}
local aActnTitles = {}
-- table with runtime functions
local CondRunTimeHandlers = {}
local ActnRunTimeHandlers = {}
local function eval_cond(data, environ)
return CondRunTimeHandlers[data.__idx__](data, environ) and 1 or 0
end
local function exec_action(data, environ, number)
ActnRunTimeHandlers[data.__idx__](data, environ, number)
end
--
-- API functions for condition/action registrations
--
function smartline.register_condition(key, tData)
table.insert(CondRunTimeHandlers, tData.on_execute)
table.insert(aCondTypes, key)
table.insert(aCondTitles, tData.title)
tData.__idx__ = #aCondTypes
if kvRegisteredCond[key] ~= nil then
print("[SmartLine] Condition registration error "..key)
return
end
kvRegisteredCond[key] = tData
for _,item in ipairs(tData.formspec) do
if item.type == "textlist" then
item.tChoices = string.split(item.choices, ",")
item.num_choices = #item.tChoices
end
end
end
function smartline.register_action(key, tData)
table.insert(ActnRunTimeHandlers, tData.on_execute)
table.insert(aActnTypes, key)
table.insert(aActnTitles, tData.title)
tData.__idx__ = #aActnTypes
if kvRegisteredActn[key] ~= nil then
print("[SmartLine] Action registration error "..key)
return
end
kvRegisteredActn[key] = tData
for _,item in ipairs(tData.formspec) do
if item.type == "textlist" then
item.tChoices = string.split(item.choices, ",")
item.num_choices = #item.tChoices
end
end
end
--
-- Formspec
--
-- Determine the selected submenu and return the corresponding
-- formspec definition.
-- postfix: row/culumn info like "11" or "a2"
-- type: "cond" or "actn"
-- fs_data: formspec data
local function get_active_subm_definition(postfix, type, fs_data)
local idx = 1
local fs_definition = {}
if type == "cond" then
idx = fs_data["subm"..postfix.."_cond"] or 1
local key = aCondTypes[idx]
fs_definition = kvRegisteredCond[key]
elseif type == "actn" then
idx = fs_data["subm"..postfix.."_actn"] or 1
local key = aActnTypes[idx]
fs_definition = kvRegisteredActn[key]
end
return idx, fs_definition
end
-- Extract runtime relevant data from the given submenu
-- postfix: row/culum info like "11" or "a2"
-- fs_definition: submenu formspec definition
-- fs_data: formspec data
local function get_subm_data(postfix, fs_definition, fs_data)
local data = {}
for idx,elem in ipairs(fs_definition.formspec) do
if elem.type == "field" then
data[elem.name] = fs_data["subm"..postfix.."_"..elem.name] or "?"
elseif elem.type == "textlist" then
local num = tonumber(fs_data["subm"..postfix.."_"..elem.name]) or 1
num = math.min(num, elem.num_choices)
data[elem.name] = num
data[elem.name.."_text"] = elem.tChoices[num]
end
end
-- type of the condition/action
data.__idx__ = fs_definition.__idx__
return data
end
-- Copy field/formspec data to the table fs_data
-- fs_definition: submenu formspec definituion
-- fields: formspec input
-- fs_data: formspec data
local function field2fs_data(fs_definition, fields, fs_data)
for idx,elem in ipairs(fs_definition.formspec) do
local key = "subm"..fields._postfix_.."_"..elem.name
if elem.type == "field" then
if fields[elem.name] then
fs_data[key] = fields[elem.name]
end
elseif elem.type == "textlist" then
local evt = minetest.explode_textlist_event(fields[elem.name])
if evt.type == "CHG" then
fs_data[key] = evt.index
end
end
if fs_data[key] == nil then
fs_data[key] = elem.default
end
end
return fs_data
end
local function add_controls_to_table(tbl, postfix, fs_data, fs_definition)
local val = ""
local offs = 2.4
for idx,elem in ipairs(fs_definition.formspec) do
if elem.label then
tbl[#tbl+1] = "label[0,"..offs..";"..elem.label.."]"
offs = offs + 0.5
end
if elem.type == "field" then
val = fs_data["subm"..postfix.."_"..elem.name] or elem.default
tbl[#tbl+1] = "field[0.3,"..(offs+0.2)..";8.2,1;"..elem.name..";;"..val.."]"
offs = offs + 0.9
elseif elem.type == "textlist" then
val = fs_data["subm"..postfix.."_"..elem.name] or elem.default
tbl[#tbl+1] = "textlist[0.0,"..(offs)..";8,1.4;"..elem.name..";"..elem.choices..";"..val.."]"
offs = offs + 1.8
end
end
return tbl
end
local function runtime_data(postfix, type, fs_data)
local _,fs_definition = get_active_subm_definition(postfix, type, fs_data)
return get_subm_data(postfix, fs_definition, fs_data)
end
local function decrement_timers(timers)
if timers ~= nil then
for idx,_ in pairs(timers) do
timers[idx] = tonumber(timers[idx])
if timers[idx] >= 0 then
timers[idx] = timers[idx] - 1
end
end
end
end
local function toggle_flag(meta, environ)
environ.toggle = (meta:get_int("runtime") or 0) % 4 >= 2
end
--
-- Condition formspec
--
local function formspec_cond(_postfix_, fs_data)
local tbl = {"size[8.2,9]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;cond]"..
"field[0,0;0,0;_postfix_;;".._postfix_.."]"}
local sConditions = table.concat(aCondTitles, ",")
local cond_idx, fs_definition = get_active_subm_definition(_postfix_, "cond", fs_data)
tbl[#tbl+1] = "label[0,0.1;Condition type:]"
tbl[#tbl+1] = "textlist[0,0.6;8,1.4;cond;"..sConditions..";"..cond_idx.."]"
tbl = add_controls_to_table(tbl, _postfix_, fs_data, fs_definition)
tbl[#tbl+1] = "button[4,8.4;2,1;_cancel_;cancel]"
tbl[#tbl+1] = "button[6,8.4;2,1;_exit_;ok]"
return table.concat(tbl)
end
-- evaluate the row condition
local function eval_formspec_cond(meta, fs_data, fields, readonly)
if readonly then return fs_data end
-- determine condition type
local cond = minetest.explode_textlist_event(fields.cond)
if cond.type == "CHG" then
fs_data["subm"..fields._postfix_.."_cond"] = cond.index
end
-- prepare data
local _, fs_definition = get_active_subm_definition(fields._postfix_, "cond", fs_data)
fs_data = field2fs_data(fs_definition, fields, fs_data)
local data = get_subm_data(fields._postfix_, fs_definition, fs_data)
-- update button for main menu
fs_data["cond"..fields._postfix_] = fs_definition.button_label(data)
if fields._exit_ == nil then
-- update formspec if exit is not pressed
meta:set_string("formspec", formspec_cond(fields._postfix_, fs_data))
end
return fs_data
end
--
-- Action formspec
--
local function formspec_actn(_postfix_, fs_data)
local tbl = {"size[8.2,9]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;actn]"..
"field[0,0;0,0;_postfix_;;".._postfix_.."]"}
local sActions = table.concat(aActnTitles, ",")
local actn_idx, fs_definition = get_active_subm_definition(_postfix_, "actn", fs_data)
tbl[#tbl+1] = "label[0,0.1;Action type:]"
tbl[#tbl+1] = "textlist[0,0.6;8,1.4;actn;"..sActions..";"..actn_idx.."]"
tbl = add_controls_to_table(tbl, _postfix_, fs_data, fs_definition)
tbl[#tbl+1] = "button[4,8.4;2,1;_cancel_;cancel]"
tbl[#tbl+1] = "button[6,8.4;2,1;_exit_;ok]"
return table.concat(tbl)
end
-- evaluate the row action
local function eval_formspec_actn(meta, fs_data, fields, readonly)
if readonly then return fs_data end
-- determine action type
local actn = minetest.explode_textlist_event(fields.actn)
if actn.type == "CHG" then
fs_data["subm"..fields._postfix_.."_actn"] = actn.index
end
-- prepare data
local _, fs_definition = get_active_subm_definition(fields._postfix_, "actn", fs_data)
fs_data = field2fs_data(fs_definition, fields, fs_data)
local data = get_subm_data(fields._postfix_, fs_definition, fs_data)
-- update button for main menu
fs_data["actn"..fields._postfix_] = fs_definition.button_label(data)
if fields._exit_ == nil then
-- update formspec if exit is not pressed
meta:set_string("formspec", formspec_actn(fields._postfix_, fs_data))
end
if fields._cancel_ then
fields._exit_ = true
end
return fs_data
end
--
-- Label text formspec
--
local function formspec_label(_postfix_, fs_data)
local label = fs_data["label".._postfix_] or "<any text>"
return "size[6,4]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;label]"..
"field[0,0;0,0;_postfix_;;".._postfix_.."]"..
"label[0.2,0.3;Label:]"..
"field[0.3,1.5;5,1;label;;"..label.."]"..
"button[4.5,3;1.5,1;_exit_;ok]"
end
-- evaluate the row label
local function eval_formspec_label(meta, fs_data, fields, readonly)
if readonly then return fs_data end
fs_data["subml"..fields._postfix_.."_label"] = fields.label
if fields._exit_ == nil then
meta:set_string("formspec", formspec_label(fields._postfix_, fs_data))
end
-- set the button label of the main menu based on the given input in the submenu
fs_data["label"..fields._postfix_] = fs_data["subml"..fields._postfix_.."_label"]
return fs_data
end
--
-- Operand formspec
--
local function formspec_oprnd(_postfix_, fs_data)
local oprnd = fs_data["submo".._postfix_.."_oprnd"] or ""
return "size[6,4]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;oprnd]"..
"field[0,0;0,0;_postfix_;;".._postfix_.."]"..
"label[0.2,0.3;Operand:]"..
"textlist[0,0.8;5.6,1.4;oprnd;or,and;"..oprnd.."]"..
"button[4.5,3;1.5,1;_exit_;ok]"
end
-- evaluate the row operand
local function eval_formspec_oprnd(meta, fs_data, fields, readonly)
if readonly then return fs_data end
local oprnd = minetest.explode_textlist_event(fields.oprnd)
if oprnd.type == "CHG" then
fs_data["submo"..fields._postfix_.."_oprnd"] = oprnd.index
end
if fields._exit_ == nil then
meta:set_string("formspec", formspec_oprnd(fields._postfix_, fs_data))
end
-- set the button label of the main menu based on the given input in the submenu
fs_data["oprnd"..fields._postfix_] = fs_data["submo"..fields._postfix_.."_oprnd"] == 1 and "or" or "and"
return fs_data
end
local function formspec_main(state, fs_data, output)
local tbl = {"size[15,9;true]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;main]"..
"label[0.8,0;label:]label[3.8,0;IF cond 1:]label[7,0;and/or]label[8.3,0;cond 2:]label[11.7,0;THEN action:]"}
for idx = 1,NUM_RULES do
local ypos = idx * 0.75 - 0.4
tbl[#tbl+1] = "label[0,"..(0.2+ypos)..";"..idx.."]"
tbl[#tbl+1] = "button[0.4,"..ypos..";3,1;label"..idx..";"..(fs_data["label"..idx] or "...").."]"
tbl[#tbl+1] = "button[3.5,"..ypos..";3.4,1;cond1"..idx..";"..(fs_data["cond1"..idx] or "...").."]"
tbl[#tbl+1] = "button[7,".. ypos..";1,1;oprnd".. idx..";"..(fs_data["oprnd"..idx] or "or").."]"
tbl[#tbl+1] = "button[8,".. ypos..";3.4,1;cond2"..idx..";"..(fs_data["cond2"..idx] or "...").."]"
tbl[#tbl+1] = "button[11.5,".. ypos..";3.4,1;actna"..idx..";"..(fs_data["actna"..idx] or "...").."]"
end
tbl[#tbl+1] = "image_button[14,8.1;1,1;".. tubelib.state_button(state) ..";button;]"
tbl[#tbl+1] = "button[10.6,8.2;1.5,1;state;state]"
tbl[#tbl+1] = "button[12.2,8.2;1.5,1;help;help]"
tbl[#tbl+1] = "label[0.2,8.4;"..output.."]"
tbl[#tbl+1] = "field[6.5,8.5;3,1;cmnd;;<cmnd>]"
tbl[#tbl+1] = "button[9.2,8.2;1,1;ok;OK]"
return table.concat(tbl)
end
local function eval_formspec_main(meta, fs_data, fields, readonly)
meta:set_string("fs_old", minetest.serialize(fs_data))
for idx = 1,NUM_RULES do
-- eval standard inputs
if not readonly then
fs_data["oprnd"..idx] = fields["oprnd"..idx] or fs_data["oprnd"..idx]
end
-- eval submenu button events
if fields["label"..idx] then
meta:set_string("formspec", formspec_label(idx, fs_data))
elseif fields["cond1"..idx] then
meta:set_string("formspec", formspec_cond("1"..idx, fs_data))
elseif fields["cond2"..idx] then
meta:set_string("formspec", formspec_cond("2"..idx, fs_data))
elseif fields["oprnd"..idx] then
meta:set_string("formspec", formspec_oprnd(idx, fs_data))
elseif fields["actna"..idx] then
meta:set_string("formspec", formspec_actn("a"..idx, fs_data))
end
end
return fs_data
end
local function formspec_help(offs)
return "size[15,9]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;help]"..
"label[0,"..(-offs/50)..";"..sHELP.."]"..
--"label[0.2,0;test]"..
"scrollbar[13.5,1;0.5,7;vertical;sb_help;"..offs.."]"..
"button[13.3,8.2;1.5,1;close;close]"
end
local function background(xpos, ypos, val)
if val == true then
return "box["..(xpos-0.1)..",".. ypos..";3.3,0.4;#008000]"
elseif val == false then
return "box["..(xpos-0.1)..",".. ypos..";3.3,0.4;#800000]"
else
return "box["..(xpos-0.1)..",".. ypos..";3.3,0.4;#202020]"
end
end
local function formspec_state(meta, fs_data)
local number = meta:get_string("number")
local state = meta:get_int("state")
local tbl = {"size[15,9;true]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
"field[0,0;0,0;_type_;;state]"..
"label[0.8,0;label:]label[3.8,0;IF cond 1:]label[7,0;and/or]label[8.3,0;cond 2:]label[11.7,0;THEN action:]"}
if state == tubelib.RUNNING and number then
local environ = tubelib.get_data(number, "environ")
local act_gate = tubelib.get_data(number, "act_gate")
local conds = tubelib.get_data(number, "conds")
if environ and act_gate and conds then
for idx = 1,NUM_RULES do
local ypos = idx * 0.6 + 0.2
local s1 = fs_data["cond1"..idx] or " ... "
local s2 = fs_data["cond2"..idx] or " ... "
local sa = fs_data["actna"..idx] or " ... "
if conds[idx] == nil then
tbl[#tbl+1] = background(3.7, ypos, nil)
tbl[#tbl+1] = background(8, ypos, nil)
else
tbl[#tbl+1] = background(3.7, ypos, conds[idx] == 1 or conds[idx] == 3)
tbl[#tbl+1] = background(8, ypos, conds[idx] == 2 or conds[idx] == 3)
end
tbl[#tbl+1] = background(11.5, ypos, act_gate[idx])
tbl[#tbl+1] = "label[0,".. ypos..";"..idx.."]"
tbl[#tbl+1] = "label[0.5,"..ypos..";"..(fs_data["label"..idx] or " ... ").."]"
tbl[#tbl+1] = "label[3.7,".. ypos..";"..s1.."]"
tbl[#tbl+1] = "label[7.2,".. ypos..";"..(fs_data["oprnd"..idx] or "or").."]"
tbl[#tbl+1] = "label[8,".. ypos..";"..s2.."]"
tbl[#tbl+1] = "label[11.5,".. ypos..";"..sa.."]"
if act_gate[idx] == true then
act_gate[idx] = false
end
end
tbl[#tbl+1] = "label[10,7; Seconds: "..(meta:get_int("runtime") or 1).."]"
tbl[#tbl+1] = "label[0,7;"..output("Inputs", "i(", ")", environ.inputs).."]"
tbl[#tbl+1] = "label[0,7.6;"..output("Timers", "t", "", environ.timers).."]"
tbl[#tbl+1] = "label[0,8.2;"..output("Flags", "f", "", environ.flags).."]"
tbl[#tbl+1] = "label[0,8.8;Hint:]"
tbl[#tbl+1] = "box[1.3,8.8;6,0.4;#008000]"
tbl[#tbl+1] = "label[1.4,8.8;condition true / action executed]"
tbl[#tbl+1] = "box[7.9,8.8;6,0.4;#800000]"
tbl[#tbl+1] = "label[8,8.8;condition false / action out-of-date]"
end
end
tbl[#tbl+1] = "button[13.3,6.9;1.7,1;update;update]"
tbl[#tbl+1] = "button[13.3,7.8;1.7,1;close;close]"
return table.concat(tbl)
end
local function execute(meta, number, debug)
local rt_rules = tubelib.get_data(number, "rt_rules")
local environ = tubelib.get_data(number, "environ")
local act_gate = tubelib.get_data(number, "act_gate")
local conds = tubelib.get_data(number, "conds")
if rt_rules and environ and act_gate and conds then
environ.actions = {}
decrement_timers(environ.timers)
toggle_flag(meta, environ)
for i,item in ipairs(rt_rules) do
local c1 = eval_cond(item.cond1, environ)
local c2 = eval_cond(item.cond2, environ)
conds[i] = c1 + c2*2
if c1 + c2 >= item.cond_cnt then
if act_gate[i] == nil then
-- execute action
exec_action(item.actn, environ, number)
environ.actions[i] = true
act_gate[i] = true
end
else
act_gate[i] = nil
end
end
end
end
local function check_rules(pos, elapsed)
--local t = minetest.get_us_time()
local meta = minetest.get_meta(pos)
meta:set_int("runtime", (meta:get_int("runtime") or 1) + 1)
local number = meta:get_string("number")
local state = meta:get_int("state")
if state == tubelib.RUNNING and number then
execute(meta, number, debug)
end
--print("time", minetest.get_us_time() - t)
return true
end
local function switch_state(pos, state, fs_data)
local meta = minetest.get_meta(pos)
local number = meta:get_string("number")
meta:set_int("state", state)
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
if state == tubelib.RUNNING then
meta:set_string("infotext", "SmartLine Controller "..number..": running")
minetest.get_node_timer(pos):start(1)
else
meta:set_string("infotext", "SmartLine Controller "..number..": stopped")
minetest.get_node_timer(pos):stop()
end
end
local function start_controller(pos, number, fs_data)
-- delete old data
tubelib.set_data(number, "environ", {
timers = {},
flags = {},
inputs = {}
})
tubelib.set_data(number, "conds", {})
tubelib.set_data(number, "act_gate", {})
switch_state(pos, tubelib.RUNNING, fs_data)
end
function smartline.stop_controller(pos, fs_data)
switch_state(pos, tubelib.STOPPED, fs_data)
end
local function formspec2runtime_rule(number, owner, fs_data)
local rt_rules = {}
local num2inp = {}
for idx = 1,NUM_RULES do
-- valid rule?
if fs_data["subm1"..idx.."_cond"] and fs_data["subm2"..idx.."_cond"]
and fs_data["subma"..idx.."_actn"] then
-- add to list of runtine rules
local rule = {
cond_cnt = fs_data["oprnd"..idx] == "and" and 2 or 1,
cond1 = runtime_data("1"..idx, "cond", fs_data),
cond2 = runtime_data("2"..idx, "cond", fs_data),
actn = runtime_data("a"..idx, "actn", fs_data),
}
rule.actn.owner = owner
table.insert(rt_rules, rule)
end
end
tubelib.set_data(number, "rt_rules", rt_rules)
end
local function get_keys(fs_data)
-- collect all keys and remove row information
local keys = {}
for k,v in pairs(fs_data) do
local key = string.sub(k,1,5).."*"..string.sub(k, 7)
if type(v) == 'number' then
keys[key] = 1 -- default value
else
keys[key] = "..." -- default value
end
end
return keys
end
local function exchange_rules(fs_data, pos1, pos2)
-- exchange elem by elem
for k,v in pairs(get_keys(fs_data)) do
local k1 = string.gsub(k, "*", pos1)
local k2 = string.gsub(k, "*", pos2)
local temp = fs_data[k1] or v
fs_data[k1] = fs_data[k2] or v
fs_data[k2] = temp
end
return fs_data
end
local function copy_rule(fs_data, pos1, pos2)
-- copy elem by elem
for k,v in pairs(get_keys(fs_data)) do
local k1 = string.gsub(k, "*", pos1)
local k2 = string.gsub(k, "*", pos2)
fs_data[k2] = fs_data[k1] or v
end
return fs_data
end
local function delete_rule(fs_data, pos)
for k,v in pairs(get_keys(fs_data)) do
local k1 = string.gsub(k, "*", pos)
fs_data[k1] = nil
end
return fs_data
end
local function edit_command(fs_data, text)
local cmnd, pos1, pos2 = text:match('^(%S)%s(%d+)%s(%d+)$')
if pos2 == nil then
cmnd, pos1 = text:match('^(%S)%s(%d+)$')
end
if cmnd and pos1 and pos2 then
pos1 = math.max(1, math.min(pos1, NUM_RULES))
pos2 = math.max(1, math.min(pos2, NUM_RULES))
if cmnd == "x" then
exchange_rules(fs_data, pos1, pos2)
return "rows "..pos1.." and "..pos2.." exchanged"
end
if cmnd == "c" then
copy_rule(fs_data, pos1, pos2)
return "row "..pos1.." copied to "..pos2
end
elseif cmnd == "d" and pos1 then
pos1 = math.max(1, math.min(pos1, NUM_RULES))
delete_rule(fs_data, pos1)
return "row "..pos1.." deleted"
end
return "Invalid command '"..text.."'"
end
local function on_receive_fields(pos, formname, fields, player)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
local state = meta:get_int("state")
if not player or not player:is_player() then
return
end
local fs_data = minetest.deserialize(meta:get_string("fs_data")) or {}
local output = ""
local readonly = player:get_player_name() ~= owner
-- FIRST: test if command entered?
if fields.ok then
if not readonly then
output = edit_command(fs_data, fields.cmnd)
smartline.stop_controller(pos, fs_data)
meta:set_string("formspec", formspec_main(tubelib.STOPPED, fs_data, output))
meta:set_string("fs_data", minetest.serialize(fs_data))
end
-- SECOND: eval none edit events (events based in __type__)?
elseif fields.help then
meta:set_string("formspec", formspec_help(1))
elseif fields.state then
meta:set_string("formspec", formspec_state(meta, fs_data))
elseif fields.update then
meta:set_string("formspec", formspec_state(meta, fs_data))
elseif fields._cancel_ then
fs_data = minetest.deserialize(meta:get_string("fs_old"))
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
elseif fields.close then
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
elseif fields.sb_help then
local evt = minetest.explode_scrollbar_event(fields.sb_help)
if evt.type == "CHG" then
meta:set_string("formspec", formspec_help(evt.value))
end
elseif fields.button then
if not readonly then
local number = meta:get_string("number")
local state = meta:get_int("state")
if state == tubelib.RUNNING then
smartline.stop_controller(pos, fs_data)
meta:set_string("formspec", formspec_main(tubelib.STOPPED, fs_data, sOUTPUT))
else
formspec2runtime_rule(number, owner, fs_data)
start_controller(pos, number, fs_data)
meta:set_string("formspec", formspec_main(tubelib.RUNNING, fs_data, sOUTPUT))
end
end
-- THIRD: evaluate edit events from sub-menus
elseif fields._type_ == "main" then
fs_data = eval_formspec_main(meta, fs_data, fields, readonly)
meta:set_string("fs_data", minetest.serialize(fs_data))
elseif fields._type_ == "label" then
fs_data = eval_formspec_label(meta, fs_data, fields, readonly)
meta:set_string("fs_data", minetest.serialize(fs_data))
elseif fields._type_ == "cond" then
fs_data = eval_formspec_cond(meta, fs_data, fields, readonly)
meta:set_string("fs_data", minetest.serialize(fs_data))
elseif fields._type_ == "oprnd" then
fs_data = eval_formspec_oprnd(meta, fs_data, fields, readonly)
meta:set_string("fs_data", minetest.serialize(fs_data))
elseif fields._type_ == "actn" then
fs_data = eval_formspec_actn(meta, fs_data, fields, readonly)
meta:set_string("fs_data", minetest.serialize(fs_data))
elseif fields._type_ == "help" then
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
elseif fields._type_ == "state" then
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
end
-- FOURTH: back to main menu
if fields._exit_ then
meta:set_string("formspec", formspec_main(state, fs_data, sOUTPUT))
-- smartline.stop_controller(pos, fs_data)
-- meta:set_string("fs_data", minetest.serialize(fs_data))
-- end
end
end
minetest.register_node("smartline:controller", {
description = "SmartLine Controller",
inventory_image = "smartline_controller_inventory.png",
wield_image = "smartline_controller_inventory.png",
stack_max = 1,
tiles = {
-- up, down, right, left, back, front
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png",
"smartline.png^smartline_controller.png",
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -6/32, -6/32, 14/32, 6/32, 6/32, 16/32},
},
},
after_place_node = function(pos, placer)
local meta = minetest.get_meta(pos)
local number = tubelib.add_node(pos, "smartline:controller")
local fs_data = {}
meta:set_string("fs_data", minetest.serialize(fs_data))
meta:set_string("owner", placer:get_player_name())
meta:set_string("number", number)
meta:set_int("state", tubelib.STOPPED)
meta:set_int("debug", 0)
meta:set_string("formspec", formspec_main(tubelib.STOPPED, fs_data, sOUTPUT))
meta:set_string("infotext", "SmartLine Controller "..number..": stopped")
end,
on_receive_fields = on_receive_fields,
on_dig = function(pos, node, puncher, pointed_thing)
if minetest.is_protected(pos, puncher:get_player_name()) then
return
end
minetest.node_dig(pos, node, puncher, pointed_thing)
tubelib.remove_node(pos)
end,
on_timer = check_rules,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
groups = {choppy=1, cracky=1, crumbly=1, not_in_creative_inventory=1},
is_ground_content = false,
sounds = default.node_sound_stone_defaults(),
drop = "smartline:controller2",
})
minetest.register_craft({
output = "smartline:controller",
recipe = {
{"", "default:mese_crystal", ""},
{"dye:blue", "default:copper_ingot", "tubelib:wlanchip"},
{"", "default:mese_crystal", ""},
},
})
local function set_input(meta, payload, val)
if payload then
local number = meta:get_string("number")
local environ = tubelib.get_data(number, "environ") or {}
if environ.inputs then
environ.inputs[payload] = val
tubelib.set_data(number, "environ", environ)
end
end
end
tubelib.register_node("smartline:controller", {}, {
on_recv_message = function(pos, topic, payload)
local meta = minetest.get_meta(pos)
if topic == "on" then
set_input(meta, payload, topic)
elseif topic == "off" then
set_input(meta, payload, topic)
elseif topic == "state" then
local state = meta:get_int("state")
return tubelib.statestring(state)
else
return "unsupported"
end
end,
})
-- List of Controller actions and conditions is dependent on loaded mods.
-- Therefore, the order of actions and conditions has to be re-assembled each time.
-- last order from last run is stored as meta data
local storage = minetest.get_mod_storage()
local function old_to_new(newTypes, oldTypes)
local res = {}
if #oldTypes == 0 then
return nil
end
local new = create_kv_list(newTypes)
for idx,key in ipairs(oldTypes) do
res[idx] = new[key] or 1
end
return res
end
local function update_node_database(meta)
local aOldCondTypes = minetest.deserialize(meta:get_string("aCondTypes")) or {}
local aOldActnTypes = minetest.deserialize(meta:get_string("aActnTypes")) or {}
local tOld2NewCond = old_to_new(aCondTypes, aOldCondTypes)
local tOld2NewActn = old_to_new(aActnTypes, aOldActnTypes)
meta:set_string("aCondTypes", minetest.serialize(aCondTypes))
meta:set_string("aActnTypes", minetest.serialize(aActnTypes))
return tOld2NewCond, tOld2NewActn
end
local function maintain_dataset(number)
local flags = tubelib.get_data(number, "flags")
if flags ~= nil then
local timers = tubelib.get_data(number, "timers") or {}
local inputs = tubelib.get_data(number, "inputs") or {}
tubelib.set_data(number, "environ", {
flags = flags,
timers = timers,
inputs = inputs,
vars = {}
})
tubelib.set_data(number, "inputs", nil)
tubelib.set_data(number, "timers", nil)
tubelib.set_data(number, "flags", nil)
end
end
--
-- Update formspec data for the case that rules order has changed or new rules were added
--
function smartline.update_fs_data(meta, fs_data)
local tOld2NewCond, tOld2NewActn = update_node_database(meta)
if tOld2NewCond and tOld2NewActn then
-- map from old to new indexes
for idx = 1,NUM_RULES do
fs_data["subm1"..idx.."_cond"] = tOld2NewCond[fs_data["subm1"..idx.."_cond"]]
fs_data["subm2"..idx.."_cond"] = tOld2NewCond[fs_data["subm2"..idx.."_cond"]]
fs_data["subma"..idx.."_actn"] = tOld2NewActn[fs_data["subma"..idx.."_actn"]]
end
end
return fs_data
end
minetest.register_lbm({
label = "[SmartLine] Controller update",
name = "smartline:update",
nodenames = {"smartline:controller"},
run_at_every_load = true,
action = function(pos, node)
local meta = minetest.get_meta(pos)
local fs_data = minetest.deserialize(meta:get_string("fs_data"))
fs_data = smartline.update_fs_data(meta, fs_data)
meta:set_string("fs_data", minetest.serialize(fs_data))
local number = meta:get_string("number")
local owner = meta:get_string("owner")
formspec2runtime_rule(number, owner, fs_data)
maintain_dataset(number)
end
})
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