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adapted to current API

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Joachim Stolberg 2018-03-19 19:12:00 +01:00
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smartline/api.md
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@ -6,26 +6,6 @@ The SmartLine Controller provides the following API to register additional condi
* smartline.register_condition(name, condition definition)
* smartline.register_action(name, action definition)
The controller executes up to 10 rules every second. Each rule consists of:
- two condition functions
- one logical operator (and/or)
- one action function
Depending on the operator, one or both condition functions have to return true, so that the action function is called.
If the action is called, the action related flag (a1..a10) is automatically set and can be used in
subsequent rules to trigger further actions without the need to evaluate both conditions again.
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 Controller supports the following variables:
- binary flags (f1..f8) to store states (true/false)
- timer variables (t1..t8), decremented each second. Used to execute actions time based
- input values (referenced via node number) to evaluate received commands (on/off) from other tubelib nodes
- action flags (a1..a10) )to store the action state from previous executed rules
All variables are stored non volatile (as long as the controller is running).
Each registered condition and action has the function `on_execute` which is called for each rule (every second).
* The condition function has to return true or false, depending if the condition is true or not.
@ -40,15 +20,12 @@ See `commands.lua` as reference. All predefined SmartLine Controller commands ar
## Prototypes
```LUA
smartline.register_condition("mymod;mycond", {
smartline.register_condition(name, {
title = "my condition",
formspec = {},
on_execute = function(data, flags, timers, inputs, actions)
on_execute = function(data, environ)
-- data: table with the formspec data
-- flag: table with the flag values
-- timers: table with the timer values
-- inputs: table with the input values
-- actions: table with the action values
-- environ: not relevant here
end,
button_label = function(data)
return "button label"
@ -61,10 +38,9 @@ smartline.register_condition("mymod;mycond", {
smartline.register_action(name, {
title = "my action",
formspec = {},
on_execute = function(data, flags, timers, inputs)
on_execute = function(data, environ, inputs)
-- data: table with the formspec data
-- flag: table with the flag values
-- timers: table with the timer values
-- environ: not relevant here
-- inputs: table with the input values
end,
button_label = function(data)
@ -73,6 +49,7 @@ smartline.register_action(name, {
})
```
The 'name' parameter should be unique. External mods should use the mod name as prefix, like "mymod_mycond".
The 'title' is used in the main menu for the condition and action selection dialog.
The 'formspec' table defines the condition/action related form for additional user parameters.
It supports the following subset of the minetest formspec elements:
@ -102,7 +79,7 @@ formspec = {
},
{
type = "label",
name = "lbl", -- not really used, but internally needed
name = "lbl", -- not really used, but internally needed
label = "Hint: Connect the input nodes with the controller",
},
}