Restructured the source code in the Playdate bindings target.

2026-07-25 12:40:14 +02:00
parent 2e7ee12ec1
commit b435a6e8bd
106 changed files with 3754 additions and 3746 deletions
@@ -0,0 +1,25 @@
+extension Sound.Signal {
+    /// Custom signal callbacks.
+    public struct Callbacks {
+        /// Returns the signal's value at the end of the current cycle.
+        /// `ioFrames` is the number of frames until the cycle ends and
+        /// may be lowered to interpolate toward `interpolationValue`.
+        public var step: (_ ioFrames: UnsafeMutablePointer<Int32>?,
+                          _ interpolationValue: UnsafeMutablePointer<Float>?) -> Float
+        /// Called on note-on events. `length` is -1 for indefinite notes.
+        public var noteOn: ((_ note: Sound.MIDINote, _ velocity: Float, _ length: Float) -> Void)?
+        /// Called on note-off events. `stopped` is `false` when the note
+        /// is released and `true` when it actually stops playing;
+        /// `offset` is the frame offset within the current cycle.
+        public var noteOff: ((_ stopped: Bool, _ offset: Int) -> Void)?
+
+        public init(step: @escaping (_ ioFrames: UnsafeMutablePointer<Int32>?,
+                                     _ interpolationValue: UnsafeMutablePointer<Float>?) -> Float,
+                    noteOn: ((_ note: Sound.MIDINote, _ velocity: Float, _ length: Float) -> Void)? = nil,
+                    noteOff: ((_ stopped: Bool, _ offset: Int) -> Void)? = nil) {
+            self.step = step
+            self.noteOn = noteOn
+            self.noteOff = noteOff
+        }
+    }
+}