How to use piano pedals to switch between groups?

[ShikiSuen]

I am migrating one of my Piano SFZ instruments to HISE in order to make it standalone.

The original SFZ instrument utilizes two groups of samples: PedalUp and PedalDown. When Sustain Pedal is pressed, only the PedalDown group articulates; When Sustain Pedal is not pressed, only the PedalUp group articulates.

Is there any necessary scripting steps? I am totally new to HISE.

[d.healey]

@ShikiSuen Yes this will require scripting. If you don't have round robin samples the simplest way would be to map the samples into two groups and write a little script to select the group based on the state of the sustain pedal.

If you do have round robins then I would use the groups for RR and separate the sustain/non-sustain using velocity.

[Christoph Hart]

Another way would be to put the samples in two different sampler modules and use the MidiMuter like this:

https://docs.hise.audio/tutorials/recipes/event-processing/index.html#use-the-sustain-pedal-to-switch-between-sound-generators

[ShikiSuen]

@Christoph-Hart Thank you for your reply. Unfortunately, when I copied the snipped and tried to load it in HISE on my Mac Pro (mojave 10.14.6 2nd supplemental update, latest HISE public release at this moment), HISE simply reloads a new blank preset.

[ShikiSuen]

Update: I wrote the following and put it into both "oninit" and "onController" of the preset, it works except very fast & frequent pedal movements with fast piano pieces.

var muteup = Synth.getMidiProcessor("muteup");
var mutedn = Synth.getMidiProcessor("mutedn");
function onController()
{
	if (Synth.isSustainPedalDown() == true) {
		muteup.setAttribute(0, 0);
		mutedn.setAttribute(0, 1);
	}
	if (Synth.isSustainPedalDown() == false) {
		mutedn.setAttribute(0, 0);
		muteup.setAttribute(0, 1);
	}
}

[ShikiSuen]

Update: The note stuck problem solved. Tick on "fix stuck notes" among all MidiMuters.