split sound.js

games/masterplan/src/screens/battle/game/objects/object-soldier.ts

@@ -1,7 +1,7 @@
 import { GameObject } from './game-object';
 import { VMath } from '../../util/vmath';
 import { EVENT_DAMAGE, EVENT_DAMAGE_ARROW } from '../../events';
-import { aa } from '../../lib/sound';
+import { aa } from '../../util/arcade-audio';
 import {
   MAX_LIFE,
   SOLDIER_WIDTH,

games/masterplan/src/screens/battle/lib/jsfxr.js

@@ -0,0 +1,41 @@
+import { SfxrSynth } from './sfxr-synth';
+
+// Adapted from http://codebase.es/riffwave/
+var synth = new SfxrSynth();
+// Export for the Closure Compiler
+export const jsfxr = function (settings) {
+  // Initialize SfxrParams
+  synth._params.setSettings(settings);
+  // Synthesize Wave
+  var envelopeFullLength = synth.totalReset();
+  var data = new Uint8Array((((envelopeFullLength + 1) / 2) | 0) * 4 + 44);
+  var used = synth.synthWave(new Uint16Array(data.buffer, 44), envelopeFullLength) * 2;
+  var dv = new Uint32Array(data.buffer, 0, 44);
+  // Initialize header
+  dv[0] = 0x46464952; // "RIFF"
+  dv[1] = used + 36; // put total size here
+  dv[2] = 0x45564157; // "WAVE"
+  dv[3] = 0x20746d66; // "fmt "
+  dv[4] = 0x00000010; // size of the following
+  dv[5] = 0x00010001; // Mono: 1 channel, PCM format
+  dv[6] = 0x0000ac44; // 44,100 samples per second
+  dv[7] = 0x00015888; // byte rate: two bytes per sample
+  dv[8] = 0x00100002; // 16 bits per sample, aligned on every two bytes
+  dv[9] = 0x61746164; // "data"
+  dv[10] = used; // put number of samples here
+
+  // Base64 encoding written by me, @maettig
+  used += 44;
+  var i = 0,
+    base64Characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
+    output = 'data:audio/wav;base64,';
+  for (; i < used; i += 3) {
+    var a = (data[i] << 16) | (data[i + 1] << 8) | data[i + 2];
+    output +=
+      base64Characters[a >> 18] +
+      base64Characters[(a >> 12) & 63] +
+      base64Characters[(a >> 6) & 63] +
+      base64Characters[a & 63];
+  }
+  return output;
+};