Rack/plugins/community/repos/Bogaudio/src/Pan.cpp

#include "Pan.hpp"
#include "mixer.hpp"

void Pan::onSampleRateChange() {
	_slew1.setParams(engineGetSampleRate(), MixerChannel::panSlewTimeMS, 2.0f);
	_slew2.setParams(engineGetSampleRate(), MixerChannel::panSlewTimeMS, 2.0f);
}

void Pan::step() {
	if (!((inputs[IN1_INPUT].active || inputs[IN2_INPUT].active) && (outputs[L_OUTPUT].active || outputs[R_OUTPUT].active))) {
		return;
	}

	float pan = params[PAN1_PARAM].value;
	if (inputs[CV1_INPUT].active) {
		pan *= clamp(inputs[CV1_INPUT].value / 5.0f, -1.0f, 1.0f);
	}
	_panner1.setPan(_slew1.next(pan));

	pan = params[PAN2_PARAM].value;
	if (inputs[CV2_INPUT].active) {
		pan *= clamp(inputs[CV2_INPUT].value / 5.0f, -1.0f, 1.0f);
	}
	_panner2.setPan(_slew2.next(pan));

	float l1 = 0.0f, r1 = 0.0f;
	_panner1.next(inputs[IN1_INPUT].value, l1, r1);
	float l2 = 0.0f, r2 = 0.0f;
	_panner2.next(inputs[IN2_INPUT].value, l2, r2);
	outputs[L_OUTPUT].value = _saturatorLeft.next(l1 + l2);
	outputs[R_OUTPUT].value = _saturatorRight.next(r1 + r2);
}

struct PanWidget : ModuleWidget {
	static constexpr int hp = 3;

	PanWidget(Pan* module) : ModuleWidget(module) {
		box.size = Vec(RACK_GRID_WIDTH * hp, RACK_GRID_HEIGHT);

		{
			SVGPanel *panel = new SVGPanel();
			panel->box.size = box.size;
			panel->setBackground(SVG::load(assetPlugin(plugin, "res/Pan.svg")));
			addChild(panel);
		}

		addChild(Widget::create<ScrewSilver>(Vec(0, 0)));
		addChild(Widget::create<ScrewSilver>(Vec(box.size.x - 15, 365)));

		// generated by svg_widgets.rb
		auto pan1ParamPosition = Vec(9.5, 24.5);
		auto pan2ParamPosition = Vec(9.5, 147.5);

		auto cv1InputPosition = Vec(10.5, 62.0);
		auto in1InputPosition = Vec(10.5, 97.0);
		auto cv2InputPosition = Vec(10.5, 185.0);
		auto in2InputPosition = Vec(10.5, 220.0);

		auto lOutputPosition = Vec(10.5, 268.0);
		auto rOutputPosition = Vec(10.5, 303.0);
		// end generated by svg_widgets.rb

		addParam(ParamWidget::create<Knob26>(pan1ParamPosition, module, Pan::PAN1_PARAM, -1.0, 1.0, 0.0));
		addParam(ParamWidget::create<Knob26>(pan2ParamPosition, module, Pan::PAN2_PARAM, -1.0, 1.0, 0.0));

		addInput(Port::create<Port24>(cv1InputPosition, Port::INPUT, module, Pan::CV1_INPUT));
		addInput(Port::create<Port24>(in1InputPosition, Port::INPUT, module, Pan::IN1_INPUT));
		addInput(Port::create<Port24>(cv2InputPosition, Port::INPUT, module, Pan::CV2_INPUT));
		addInput(Port::create<Port24>(in2InputPosition, Port::INPUT, module, Pan::IN2_INPUT));

		addOutput(Port::create<Port24>(lOutputPosition, Port::OUTPUT, module, Pan::L_OUTPUT));
		addOutput(Port::create<Port24>(rOutputPosition, Port::OUTPUT, module, Pan::R_OUTPUT));
	}
};

RACK_PLUGIN_MODEL_INIT(Bogaudio, Pan) {
   Model *modelPan = createModel<Pan, PanWidget>("Bogaudio-Pan", "Pan",  "dual panner", PANNING_TAG, DUAL_TAG);
   return modelPan;
}