Question about UI

Virtual instruments HALion
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1

Hello, is it possible with a Lua code to trigger the change of a page in the UI playing a specific note? I have 2 switches in the UI that change the Ui from the FX page to the Sample View page, is it possible with a Lua code to trigger the Sample page when I press note 60? I have already tried without any sort of success, please any help is welcome. Thanks!

2

Hi @clAud9

How did you implement page switching?

It should be possible but you need to have a script parameter for the switch. Using ui variables probably won’t work.

Then just use onNote callback and change the value of the switch parameter when the note is 60.

3

To switch page I’m using the Template “Decor Text Radio Switch”, I have created a variable Layer1 and created stacks. Please see attached screenshot, the switch is working perfectly when I click it, I’m trying to trigger it also if I play note 60.

Screenshot 2024-10-31 at 6.57.45 AM
Screenshot 2024-10-31 at 6.57.45 AM275Ă—133 3.63 KB

4

You may need to use a script parameter instead of ui variable.

Pages.vstpreset (8.8 KB)

5

Thanks it works!

6

I’m still experimenting without succes how to change with a script the value of ADSR from -100% to +100% to 0 to +100%, I have scripted the knob but is not connecting to the parameter…

local layer = this.parent
local zones = layer:findZones()

-- Define the knob parameter to control DCAAttOffset, ranging from 0% to 100%
defineParameter("AttackKnob", nil, 0, 0, 100, function() updateDCAAttack() end)

function updateDCAAttack()
    -- Convert AttackKnob range (0 to 100%) to DCAAttOffset range (0% to +100%)
    local mappedValue = AttackKnob
    
    -- Set the DCAAttOffset for each zone in the layer
    for i, zone in ipairs(zones) do
        zone:setParameter("DCAttOffset", mappedValue)
    end
end```
7

You have the parameter name misspelled:

zone:setParameter("DCAttOffset", mappedValue)

It should be:

zone:setParameter("DCAAttOffset", mappedValue)
8

Thanks now is working! I applied the same to the release knob, do you think it’s correct to also apply to decay and sustain knobs, or for those, it’s better to leave the default -100 + 100?

9

I’m trying to apply the same concept to modify the Octave parameter that by default is -5 +5 to -2 +2 but is not working. I can see the correct values (0 +2 -2) in the menu i have created but is not connecting to the Octave parameter…

local layer = this.parent
local zones = layer:findZones()

-- Define menu parameter for Octave with integer values from -2 to +2
defineParameter("OctaveMenu", nil, 2, {"-2", "-1", "0", "+1", "+2"}, function() updateOctave() end)

-- Update function for Octave
function updateOctave()
   local mappedValue = OctaveMenu
    for i, zone in ipairs(zones) do
        zone:setParameter("Octave", mappedValue)
       end
end
10

fixed, this is the working code:

local layer = this.parent
local zones = layer:findZones()

-- Define menu parameter for Octave with values -2, -1, 0, +1, +2
defineParameter("OctaveMenu", nil, 3, {"-2", "-1", "0", "+1", "+2"}, function() updateOctave() end)

function updateOctave()
    -- Map OctaveMenu index to the corresponding octave shift values in HALion
    local octaveShiftValues = {-2, -1, 0, 1, 2}
    
    -- Retrieve the value from the OctaveShiftValues array
    local mappedValue = octaveShiftValues[OctaveMenu]

    -- Apply the mapped value to the Pitch.Octave parameter for each zone
    for i, zone in ipairs(zones) do
        zone:setParameter("Pitch.Octave", mappedValue)
    end

    -- Debug output to verify the setting
    print("Setting Pitch.Octave to:", mappedValue)
end
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