Update to Rack v1 API

src/ADSR.cpp

@@ -62,7 +62,7 @@ struct ADSR : Module {
 					env = sustain;
 				}
 				else {
-					env += std::pow(base, 1 - decay) / maxTime * (sustain - env) * app()->engine->getSampleTime();
+					env += std::pow(base, 1 - decay) / maxTime * (sustain - env) * APP->engine->getSampleTime();
 				}
 			}
 			else {
@@ -72,7 +72,7 @@ struct ADSR : Module {
 					env = 1.f;
 				}
 				else {
-					env += std::pow(base, 1 - attack) / maxTime * (1.01f - env) * app()->engine->getSampleTime();
+					env += std::pow(base, 1 - attack) / maxTime * (1.01f - env) * APP->engine->getSampleTime();
 				}
 				if (env >= 1.f) {
 					env = 1.f;
@@ -86,7 +86,7 @@ struct ADSR : Module {
 				env = 0.f;
 			}
 			else {
-				env += std::pow(base, 1 - release) / maxTime * (0.f - env) * app()->engine->getSampleTime();
+				env += std::pow(base, 1 - release) / maxTime * (0.f - env) * APP->engine->getSampleTime();
 			}
 			decaying = false;
 		}

src/Delay.cpp

@@ -56,7 +56,7 @@ struct Delay : Module {
 		// Compute delay time in seconds
 		float delay = 1e-3 * std::pow(10.0f / 1e-3, clamp(params[TIME_PARAM].value + inputs[TIME_INPUT].value / 10.0f, 0.0f, 1.0f));
 		// Number of delay samples
-		float index = delay * app()->engine->getSampleRate();
+		float index = delay * APP->engine->getSampleRate();
 
 		// Push dry sample into history buffer
 		if (!historyBuffer.full()) {
@@ -93,11 +93,11 @@ struct Delay : Module {
 		// TODO Make it sound better
 		float color = clamp(params[COLOR_PARAM].value + inputs[COLOR_INPUT].value / 10.0f, 0.0f, 1.0f);
 		float lowpassFreq = 10000.0f * std::pow(10.0f, clamp(2.0f*color, 0.0f, 1.0f));
-		lowpassFilter.setCutoff(lowpassFreq / app()->engine->getSampleRate());
+		lowpassFilter.setCutoff(lowpassFreq / APP->engine->getSampleRate());
 		lowpassFilter.process(wet);
 		wet = lowpassFilter.lowpass();
 		float highpassFreq = 10.0f * std::pow(100.0f, clamp(2.0f*color - 1.0f, 0.0f, 1.0f));
-		highpassFilter.setCutoff(highpassFreq / app()->engine->getSampleRate());
+		highpassFilter.setCutoff(highpassFreq / APP->engine->getSampleRate());
 		highpassFilter.process(wet);
 		wet = highpassFilter.highpass();
 

src/LFO.cpp

@@ -112,7 +112,7 @@ struct LFO : Module {
 		oscillator.setPulseWidth(params[PW_PARAM].value + params[PWM_PARAM].value * inputs[PW_INPUT].value / 10.f);
 		oscillator.offset = (params[OFFSET_PARAM].value > 0.f);
 		oscillator.invert = (params[INVERT_PARAM].value <= 0.f);
-		oscillator.step(app()->engine->getSampleTime());
+		oscillator.step(APP->engine->getSampleTime());
 		oscillator.setReset(inputs[RESET_INPUT].value);
 
 		outputs[SIN_OUTPUT].value = 5.f * oscillator.sin();
@@ -205,7 +205,7 @@ struct LFO2 : Module {
 		oscillator.setPitch(params[FREQ_PARAM].value + params[FM_PARAM].value * inputs[FM_INPUT].value);
 		oscillator.offset = (params[OFFSET_PARAM].value > 0.f);
 		oscillator.invert = (params[INVERT_PARAM].value <= 0.f);
-		oscillator.step(app()->engine->getSampleTime());
+		oscillator.step(APP->engine->getSampleTime());
 		oscillator.setReset(inputs[RESET_INPUT].value);
 
 		float wave = params[WAVE_PARAM].value + inputs[WAVE_INPUT].value;

src/SEQ3.cpp

@@ -135,7 +135,7 @@ struct SEQ3 : Module {
 			else {
 				// Internal clock
 				float clockTime = std::pow(2.0f, params[CLOCK_PARAM].value + inputs[CLOCK_INPUT].value);
-				phase += clockTime * app()->engine->getSampleTime();
+				phase += clockTime * APP->engine->getSampleTime();
 				if (phase >= 1.0f) {
 					setIndex(index + 1);
 				}

src/Scope.cpp

@@ -73,7 +73,7 @@ struct Scope : Module {
 
 		// Compute time
 		float deltaTime = std::pow(2.0f, -params[TIME_PARAM].value);
-		int frameCount = (int) std::ceil(deltaTime * app()->engine->getSampleRate());
+		int frameCount = (int) std::ceil(deltaTime * APP->engine->getSampleRate());
 
 		// Add frame to buffer
 		if (bufferIndex < BUFFER_SIZE) {
@@ -105,12 +105,12 @@ struct Scope : Module {
 
 			// Reset if triggered
 			float holdTime = 0.1f;
-			if (resetTrigger.process(rescale(gate, params[TRIG_PARAM].value - 0.1f, params[TRIG_PARAM].value, 0.f, 1.f)) || (frameIndex >= app()->engine->getSampleRate() * holdTime)) {
+			if (resetTrigger.process(rescale(gate, params[TRIG_PARAM].value - 0.1f, params[TRIG_PARAM].value, 0.f, 1.f)) || (frameIndex >= APP->engine->getSampleRate() * holdTime)) {
 				bufferIndex = 0; frameIndex = 0; return;
 			}
 
 			// Reset if we've waited too long
-			if (frameIndex >= app()->engine->getSampleRate() * holdTime) {
+			if (frameIndex >= APP->engine->getSampleRate() * holdTime) {
 				bufferIndex = 0; frameIndex = 0; return;
 			}
 		}

src/VCF.cpp

@@ -122,7 +122,7 @@ struct VCF : Module {
 
 		/*
 		// Process sample
-		float dt = app()->engine->getSampleTime() / UPSAMPLE;
+		float dt = APP->engine->getSampleTime() / UPSAMPLE;
 		float inputBuf[UPSAMPLE];
 		float lowpassBuf[UPSAMPLE];
 		float highpassBuf[UPSAMPLE];
@@ -142,7 +142,7 @@ struct VCF : Module {
 			outputs[HPF_OUTPUT].value = 5.f * highpassDecimator.process(highpassBuf);
 		}
 		*/
-		filter.process(input, app()->engine->getSampleTime());
+		filter.process(input, APP->engine->getSampleTime());
 		outputs[LPF_OUTPUT].value = 5.f * filter.lowpass;
 		outputs[HPF_OUTPUT].value = 5.f * filter.highpass;
 	}

src/VCO.cpp

@@ -58,7 +58,7 @@ struct VoltageControlledOscillator {
 			// Adjust pitch slew
 			if (++pitchSlewIndex > 32) {
 				const float pitchSlewTau = 100.f; // Time constant for leaky integrator in seconds
-				pitchSlew += (random::normal() - pitchSlew / pitchSlewTau) * app()->engine->getSampleTime();
+				pitchSlew += (random::normal() - pitchSlew / pitchSlewTau) * APP->engine->getSampleTime();
 				pitchSlewIndex = 0;
 			}
 		}
@@ -217,7 +217,7 @@ struct VCO : Module {
 		oscillator.setPulseWidth(params[PW_PARAM].value + params[PWM_PARAM].value * inputs[PW_INPUT].value / 10.f);
 		oscillator.syncEnabled = inputs[SYNC_INPUT].active;
 
-		oscillator.process(app()->engine->getSampleTime(), inputs[SYNC_INPUT].value);
+		oscillator.process(APP->engine->getSampleTime(), inputs[SYNC_INPUT].value);
 
 		// Set output
 		if (outputs[SIN_OUTPUT].active)
@@ -316,7 +316,7 @@ struct VCO2 : Module {
 		oscillator.setPitch(0.f, pitchCv);
 		oscillator.syncEnabled = inputs[SYNC_INPUT].active;
 
-		oscillator.process(app()->engine->getSampleTime(), inputs[SYNC_INPUT].value);
+		oscillator.process(APP->engine->getSampleTime(), inputs[SYNC_INPUT].value);
 
 		// Set output
 		float wave = clamp(params[WAVE_PARAM].value + inputs[WAVE_INPUT].value, 0.f, 3.f);