added boilerplate for MidiCC

src/dsp/mod.rs

@@ -513,6 +513,8 @@ mod node_map;
 #[allow(non_upper_case_globals)]
 mod node_midip;
 #[allow(non_upper_case_globals)]
+mod node_midicc;
+#[allow(non_upper_case_globals)]
 mod node_mix3;
 #[allow(non_upper_case_globals)]
 mod node_mux9;
@@ -571,6 +573,7 @@ use crate::fa_delay_mode;
 use crate::fa_map_clip;
 use crate::fa_midip_chan;
 use crate::fa_midip_gmode;
+use crate::fa_midicc_cc;
 use crate::fa_mux9_in_cnt;
 use crate::fa_noise_mode;
 use crate::fa_out_mono;
@@ -602,6 +605,7 @@ use node_fbwr_fbrd::FbWr;
 use node_formfm::FormFM;
 use node_map::Map;
 use node_midip::MidiP;
+use node_midicc::MidiCC;
 use node_mix3::Mix3;
 use node_mux9::Mux9;
 use node_noise::Noise;
@@ -1436,6 +1440,15 @@ macro_rules! node_list {
                [0 freq]
                [1 gate]
                [2 vel],
+            midicc => MidiCC UIType::Generic UICategory::IOUtil
+               (0 slew  n_lfot   d_lfot r_lfot f_lfoms stp_f 0.0, 1.0, 0.0)
+               {1 0 chan setting(0) mode fa_midip_chan 0 16}
+               {2 1 cc1  setting(0) mode fa_midicc_cc 0 127}
+               {3 2 cc2  setting(0) mode fa_midicc_cc 0 127}
+               {4 3 cc3  setting(0) mode fa_midicc_cc 0 127}
+               [0 sig1]
+               [1 sig2]
+               [2 sig3],
             out => Out UIType::Generic UICategory::IOUtil
                (0  ch1   n_id      d_id  r_id   f_def  stp_d -1.0, 1.0, 0.0)
                (1  ch2   n_id      d_id  r_id   f_def  stp_d -1.0, 1.0, 0.0)

src/dsp/node_midicc.rs

@@ -0,0 +1,121 @@
+// Copyright (c) 2022 Weird Constructor <weirdconstructor@gmail.com>
+// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
+// See README.md and COPYING for details.
+
+use crate::dsp::{
+    at, denorm, inp, out_idx, DspNode, LedPhaseVals, NodeContext, NodeId, ProcBuf, SAtom,
+};
+use crate::nodes::{HxMidiEvent, MidiEventPointer, NodeAudioContext, NodeExecContext};
+
+#[macro_export]
+macro_rules! fa_midicc_cc {
+    ($formatter: expr, $v: expr, $denorm_v: expr) => {{
+        write!($formatter, "{}", $v.round() as usize)
+    }};
+}
+
+/// The (stereo) output port of the plugin
+#[derive(Debug, Clone)]
+pub struct MidiCC {
+    cur_cc1: f32,
+    cur_cc2: f32,
+    cur_cc3: f32,
+}
+
+impl MidiCC {
+    pub fn new(_nid: &NodeId) -> Self {
+        Self { cur_cc1: 0.0, cur_cc2: 0.0, cur_cc3: 0.0 }
+    }
+
+    pub const chan: &'static str = "MidiCC chan\nMIDI Channel 0 to 15\n";
+    pub const slew: &'static str = "MidiCC slew\nSlew limiter for the 3 CCs\n- 'MIDI' gate same as MIDI input\n- 'Trigger' output only triggers on 'gate' output\n- 'Gate Len' output gate with the length of the 'gatel' parameter\n";
+    pub const cc1: &'static str = "MidiCC cc1\nMIDI selected CC";
+    pub const cc2: &'static str = "MidiCC cc1\nMIDI selected CC";
+    pub const cc3: &'static str = "MidiCC cc1\nMIDI selected CC";
+
+    pub const sig1: &'static str = "MidiCC sig1\nCC output channel 1\nRange: (0..1)";
+    pub const sig2: &'static str = "MidiCC sig1\nCC output channel 1\nRange: (0..1)";
+    pub const sig3: &'static str = "MidiCC sig1\nCC output channel 1\nRange: (0..1)";
+
+    pub const DESC: &'static str = "Audio Output Port\n\n\
+        This output port node allows you to send audio signals \
+        to audio devices or tracks in your DAW.";
+    pub const HELP: &'static str = r#"Audio Output Port
+
+This output port node allows you to send audio signals to audio devices
+or tracks in your DAW. If you need a stereo output but only have a mono
+signal you can use the 'mono' setting to duplicate the signal on the 'ch1'
+input to the second channel 'ch2'.
+"#;
+}
+
+impl DspNode for MidiCC {
+    fn outputs() -> usize {
+        0
+    }
+
+    fn set_sample_rate(&mut self, _srate: f32) {}
+    fn reset(&mut self) {}
+
+    #[inline]
+    fn process<T: NodeAudioContext>(
+        &mut self,
+        ctx: &mut T,
+        ectx: &mut NodeExecContext,
+        _nctx: &NodeContext,
+        atoms: &[SAtom],
+        inputs: &[ProcBuf],
+        outputs: &mut [ProcBuf],
+        ctx_vals: LedPhaseVals,
+    ) {
+        let chan = at::MidiCC::chan(atoms);
+        let cc1 = at::MidiCC::cc1(atoms);
+        let cc2 = at::MidiCC::cc2(atoms);
+        let cc3 = at::MidiCC::cc3(atoms);
+        let sig2_i = out_idx::MidiCC::sig2();
+        let (sig1, r) = outputs.split_at_mut(sig2_i);
+        let (sig2, sig3) = r.split_at_mut(1);
+        let sig1 = &mut sig1[0];
+        let sig2 = &mut sig2[0];
+        let sig3 = &mut sig3[0];
+
+        let midicc_channel = (chan.i() as usize % 16) as u8;
+        let midicc_cc1 = (chan.i() as usize % 128) as u8;
+        let midicc_cc2 = (chan.i() as usize % 128) as u8;
+        let midicc_cc3 = (chan.i() as usize % 128) as u8;
+
+        let mut ptr = MidiEventPointer::new(&ectx.midi_ccs[..]);
+
+        let mut change = false;
+
+        for frame in 0..ctx.nframes() {
+            while let Some(ev) = ptr.next_at(frame) {
+                match ev {
+                    HxMidiEvent::CC { channel, cc, value } => {
+                        if channel != midicc_channel {
+                            continue;
+                        }
+
+                        if cc == midicc_cc1 {
+                            self.cur_cc1 = value;
+                            change = true;
+                        } else if cc == midicc_cc2 {
+                            self.cur_cc2 = value;
+                            change = true;
+                        } else if cc == midicc_cc3 {
+                            self.cur_cc3 = value;
+                            change = true;
+                        }
+                    }
+                    _ => (),
+                }
+            }
+
+            sig1.write(frame, self.cur_cc1);
+            sig2.write(frame, self.cur_cc2);
+            sig3.write(frame, self.cur_cc3);
+        }
+
+        ctx_vals[0].set(if change { 1.0 } else { 0.0 });
+    }
+}

src/dsp/node_midip.rs

@@ -122,7 +122,6 @@ impl DspNode for MidiP {
             self.next_gate = 0;
 
             while let Some(ev) = ptr.next_at(frame) {
-                println!("MIDIP EV: {} {:?}", frame, ev);
                 match ev {
                     HxMidiEvent::NoteOn { channel, note, vel } => {
                         if channel != midip_channel {