From 0572421d4bf11d6bec34eba69b29b7ba2c9a4e64 Mon Sep 17 00:00:00 2001
From: Bart Brouns <bart@magnetophon.nl>
Date: Thu, 14 Nov 2024 23:39:57 +0100
Subject: [PATCH] less unsafe

---
 src/lib.rs | 67 ++++++++++++++++++++++++++----------------------------
 1 file changed, 32 insertions(+), 35 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index facdb3e..f032b1a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1273,41 +1273,38 @@ impl Del2 {
         let velocity = self.delay_data.velocities[tap];
         let velocity_params = &self.params.taps;
 
-        unsafe {
-            let filter_params = Arc::get_mut_unchecked(&mut self.filter_params[tap]);
-
-            // Cache repeated calculations
-            let low_params = &velocity_params.velocity_low;
-            let high_params = &velocity_params.velocity_high;
-
-            let res = Self::lerp(low_params.res.value(), high_params.res.value(), velocity);
-            let velocity_cutoff = Self::log_interpolate(
-                low_params.cutoff.value(),
-                high_params.cutoff.value(),
-                velocity,
-            );
-            let note_cutoff = util::midi_note_to_freq(self.delay_data.notes[tap]);
-            let cutoff = note_cutoff
-                .mul_add(
-                    self.params.taps.note_to_cutoff_amount.value(),
-                    velocity_cutoff * self.params.taps.velocity_to_cutoff_amount.value(),
-                )
-                .clamp(10.0, 20_000.0);
-            let drive_db = Self::lerp(
-                util::gain_to_db(low_params.drive.value()),
-                util::gain_to_db(high_params.drive.value()),
-                velocity,
-            );
-            let drive = util::db_to_gain(drive_db);
-            let mode =
-                MyLadderMode::lerp(low_params.mode.value(), high_params.mode.value(), velocity);
-
-            filter_params.set_resonance(res);
-            filter_params.set_frequency(cutoff);
-            filter_params.drive = drive;
-            filter_params.ladder_mode = mode;
-            self.ladders[tap].set_mix(mode);
-        }
+        let filter_params = unsafe { Arc::get_mut_unchecked(&mut self.filter_params[tap]) };
+
+        // Cache repeated calculations
+        let low_params = &velocity_params.velocity_low;
+        let high_params = &velocity_params.velocity_high;
+
+        let res = Self::lerp(low_params.res.value(), high_params.res.value(), velocity);
+        let velocity_cutoff = Self::log_interpolate(
+            low_params.cutoff.value(),
+            high_params.cutoff.value(),
+            velocity,
+        );
+        let note_cutoff = util::midi_note_to_freq(self.delay_data.notes[tap]);
+        let cutoff = note_cutoff
+            .mul_add(
+                self.params.taps.note_to_cutoff_amount.value(),
+                velocity_cutoff * self.params.taps.velocity_to_cutoff_amount.value(),
+            )
+            .clamp(10.0, 20_000.0);
+        let drive_db = Self::lerp(
+            util::gain_to_db(low_params.drive.value()),
+            util::gain_to_db(high_params.drive.value()),
+            velocity,
+        );
+        let drive = util::db_to_gain(drive_db);
+        let mode = MyLadderMode::lerp(low_params.mode.value(), high_params.mode.value(), velocity);
+
+        filter_params.set_resonance(res);
+        filter_params.set_frequency(cutoff);
+        filter_params.drive = drive;
+        filter_params.ladder_mode = mode;
+        self.ladders[tap].set_mix(mode);
     }
 
     fn lerp(a: f32, b: f32, x: f32) -> f32 {