From 4f01edb9230f58ff84b0dd892c931ec8ac9aad55 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Tue, 13 Sep 2022 12:56:08 +0200
Subject: move src out of srv, clean up default.nix and Makefile

---
 .../MIDI.js/js/midi/plugin.webmidi.js              | 93 ++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js

(limited to 'src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js')

diff --git a/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js b/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js
new file mode 100644
index 0000000..33e244b
--- /dev/null
+++ b/src/http/static/trading-in-the-rain/MIDI.js/js/midi/plugin.webmidi.js
@@ -0,0 +1,93 @@
+/*
+	----------------------------------------------------------------------
+	Web MIDI API - Native Soundbanks
+	----------------------------------------------------------------------
+	http://webaudio.github.io/web-midi-api/
+	----------------------------------------------------------------------
+*/
+
+(function(root) { 'use strict';
+
+	var plugin = null;
+	var output = null;
+	var channels = [];
+	var midi = root.WebMIDI = {api: 'webmidi'};
+	midi.send = function(data, delay) { // set channel volume
+		output.send(data, delay * 1000);
+	};
+
+	midi.setController = function(channel, type, value, delay) {
+		output.send([channel, type, value], delay * 1000);
+	};
+
+	midi.setVolume = function(channel, volume, delay) { // set channel volume
+		output.send([0xB0 + channel, 0x07, volume], delay * 1000);
+	};
+
+	midi.programChange = function(channel, program, delay) { // change patch (instrument)
+		output.send([0xC0 + channel, program], delay * 1000);
+	};
+
+	midi.pitchBend = function(channel, program, delay) { // pitch bend
+		output.send([0xE0 + channel, program], delay * 1000);
+	};
+
+	midi.noteOn = function(channel, note, velocity, delay) {
+		output.send([0x90 + channel, note, velocity], delay * 1000);
+	};
+
+	midi.noteOff = function(channel, note, delay) {
+		output.send([0x80 + channel, note, 0], delay * 1000);
+	};
+
+	midi.chordOn = function(channel, chord, velocity, delay) {
+		for (var n = 0; n < chord.length; n ++) {
+			var note = chord[n];
+			output.send([0x90 + channel, note, velocity], delay * 1000);
+		}
+	};
+
+	midi.chordOff = function(channel, chord, delay) {
+		for (var n = 0; n < chord.length; n ++) {
+			var note = chord[n];
+			output.send([0x80 + channel, note, 0], delay * 1000);
+		}
+	};
+
+	midi.stopAllNotes = function() {
+		output.cancel();
+		for (var channel = 0; channel < 16; channel ++) {
+			output.send([0xB0 + channel, 0x7B, 0]);
+		}
+	};
+
+	midi.connect = function(opts) {
+		root.setDefaultPlugin(midi);
+		var errFunction = function(err) { // well at least we tried!
+			if (window.AudioContext) { // Chrome
+				opts.api = 'webaudio';
+			} else if (window.Audio) { // Firefox
+				opts.api = 'audiotag';
+			} else { // no support
+				return;
+			}
+			root.loadPlugin(opts);
+		};
+		///
+		navigator.requestMIDIAccess().then(function(access) {
+			plugin = access;
+			var pluginOutputs = plugin.outputs;
+			if (typeof pluginOutputs == 'function') { // Chrome pre-43
+				output = pluginOutputs()[0];
+			} else { // Chrome post-43
+				output = pluginOutputs[0];
+			}
+			if (output === undefined) { // nothing there...
+				errFunction();
+			} else {
+				opts.onsuccess && opts.onsuccess();			
+			}
+		}, errFunction);
+	};
+
+})(MIDI);
\ No newline at end of file
-- 
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