Tweaks to dsp/filter.hpp algorithms. Re-enable autosave on close.

include/dsp/filter.hpp

@@ -49,37 +49,56 @@ struct PeakFilter {
 
 
 struct SlewLimiter {
-	float rise = 1.f;
-	float fall = 1.f;
-	float out = 0.f;
+	float rise = 0.f;
+	float fall = 0.f;
+	float out = NAN;
 
-	void setRiseFall(float rise, float fall) {
+	float process(float deltaTime, float in) {
+		if (std::isnan(out)) {
+			out = in;
+		}
+		else if (out < in) {
+			float y = out + rise * deltaTime;
+			out = std::fmin(y, in);
+		}
+		else if (out > in) {
+			float y = out - fall * deltaTime;
+			out = std::fmax(y, in);
+		}
+		return out;
+	}
+	DEPRECATED float process(float in) {
+		return process(1.f, in);
+	}
+	DEPRECATED void setRiseFall(float rise, float fall) {
 		this->rise = rise;
 		this->fall = fall;
 	}
-	float process(float in) {
-		out = math::clamp(in, out - fall, out + rise);
-		return out;
-	}
 };
 
 
 struct ExponentialSlewLimiter {
-	float riseLambda = 1.f;
-	float fallLambda = 1.f;
-	float out = 0.f;
+	float riseLambda = 0.f;
+	float fallLambda = 0.f;
+	float out = NAN;
 
-	float process(float in) {
-		if (in > out) {
-			float y = out + (in - out) * riseLambda;
+	float process(float deltaTime, float in) {
+		if (std::isnan(out)) {
+			out = in;
+		}
+		else if (out < in) {
+			float y = out + (in - out) * riseLambda * deltaTime;
 			out = (out == y) ? in : y;
 		}
-		else if (in < out) {
-			float y = out + (in - out) * fallLambda;
+		else if (out > in) {
+			float y = out + (in - out) * fallLambda * deltaTime;
 			out = (out == y) ? in : y;
 		}
 		return out;
 	}
+	DEPRECATED float process(float in) {
+		return process(1.f, in);
+	}
 };
 
 
@@ -113,7 +132,9 @@ struct ExponentialFilter {
 		return out;
 	}
 
-	DEPRECATED float process(float in) {return process(1.f, in);}
+	DEPRECATED float process(float in) {
+		return process(1.f, in);
+	}
 };
 
 

include/helpers.hpp

@@ -1,7 +1,8 @@
 #pragma once
 #include "plugin/Model.hpp"
-#include "ui/MenuLabel.hpp"
+#include "ui/MenuOverlay.hpp"
 #include "ui/MenuItem.hpp"
+#include "ui/MenuLabel.hpp"
 #include "ui/Menu.hpp"
 #include "app/PortWidget.hpp"
 #include "app/ParamQuantity.hpp"

include/ui/MenuItem.hpp

@@ -2,7 +2,6 @@
 #include "ui/common.hpp"
 #include "ui/Menu.hpp"
 #include "ui/MenuEntry.hpp"
-#include "ui/MenuOverlay.hpp"
 #include "app.hpp"
 
 
@@ -10,9 +9,6 @@ namespace rack {
 namespace ui {
 
 
-#define BND_LABEL_FONT_SIZE 13
-
-
 struct MenuItem : MenuEntry {
 	std::string text;
 	std::string rightText;

src/main.cpp

@@ -144,7 +144,9 @@ int main(int argc, char *argv[]) {
 	APP->engine->stop();
 
 	// Destroy app
-	// APP->patch->save(asset::user("autosave.vcv"));
+	if (!headless) {
+		APP->patch->save(asset::user("autosave.vcv"));
+	}
 	INFO("Destroying app");
 	app::destroy();
 	settings.save(asset::user("settings.json"));

src/ui/MenuItem.cpp

@@ -1,10 +1,14 @@
 #include "ui/MenuItem.hpp"
+#include "ui/MenuOverlay.hpp"
 
 
 namespace rack {
 namespace ui {
 
 
+#define BND_LABEL_FONT_SIZE 13
+
+
 void MenuItem::draw(const DrawArgs &args) {
 	BNDwidgetState state = BND_DEFAULT;
 
@@ -77,7 +81,7 @@ void MenuItem::doAction() {
 	if (!eActionContext.consumed)
 		return;
 
-	widget::Widget *overlay = getAncestorOfType<MenuOverlay>();
+	MenuOverlay *overlay = getAncestorOfType<MenuOverlay>();
 	if (overlay) {
 		overlay->requestedDelete = true;
 	}