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Diffstat (limited to 'backends/lua.md')
| -rw-r--r-- | backends/lua.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/backends/lua.md b/backends/lua.md index 30d7580..e59e513 100644 --- a/backends/lua.md +++ b/backends/lua.md @@ -15,13 +15,13 @@ The following functions are provided within the Lua interpreter for interaction |-------------------------------|-------------------------------|---------------------------------------| | `output(string, number)` | `output("foo", 0.75)` | Output a value event to a channel on this instance | | `interval(function, number)` | `interval(update, 100)` | Register a function to be called periodically. Intervals are milliseconds (rounded to the nearest 10 ms). Calling `interval` on a Lua function multiple times updates the interval. Specifying `0` as interval stops periodic calls to the function | +| `cleanup_handler(function)` | `cleanup_handler(shutdown)` | Register a function to be called when the instance is destroyed (on MIDIMonster shutdown). One cleanup handler can be registered per instance. Calling this function when the instance already has a cleanup handler registered replaces the handler, returning the old one. | | `input_value(string)` | `input_value("foo")` | Get the last input value on a channel on this instance | | `output_value(string)` | `output_value("bar")` | Get the last output value on a channel on this instance | | `input_channel()` | `print(input_channel())` | Returns the name of the input channel whose handler function is currently running or `nil` if in an `interval`'ed function (or the initial parse step) | | `timestamp()` | `print(timestamp())` | Returns the core timestamp for this iteration with millisecond resolution. This is not a performance timer, but intended for timeouting, etc | | `thread(function)` | `thread(run_show)` | Run a function as a Lua thread (see below) | | `sleep(number)` | `sleep(100)` | Suspend current thread for time specified in milliseconds | -| `cleanup_handler(function)` | | Register a function to be called when the instance is destroyed (on MIDIMonster shutdown). One cleanup handler can be registered per instance. Calling this function when the instance already has a cleanup handler registered replaces the handler, returning the old one. | Example script: ```lua @@ -45,6 +45,7 @@ function run_show() end function save_values() + -- Store state to a file, for example end interval(toggle, 1000) |