Update weapons, start auditing audio

The bullets have been improved. Also, file structure for weapons is
being drafted.

tools/audio-interval-test/index.js

@@ -7,6 +7,7 @@ function AudioForm(el) {
 	let audioIndex = 0
 	const items = 50
 
+    /*
 	for (let i = 0; i < items; i += 1) {
 		const newAudio = new Audio('./sfx/weapons/guns/smg-hkmp7/1_unload_var0.wav')
 		newAudio.volume = 0.2;
@@ -25,33 +26,61 @@ function AudioForm(el) {
 		}
 		newAudio.load()
 	}
+    */
+    let started = false;
+    window.addEventListener('click', () => {
+        if (started) {
+            return;
+        }
+        started = true;
+        const audioContext = new AudioContext();
 
-	const playSound = () => {
-		for (let i = 0; i < items; i += 1) {
-			if (!audioPool[i].ready) {
-				return;
-			}
-		}
+        const gain = audioContext.createGain();
+        gain.gain.setValueAtTime(0, audioContext.currentTime);
 
-		audioPool[audioIndex].audio.play();
-		audioIndex = (audioIndex + 1) % items;
-	}
+        const oscillator = audioContext.createOscillator();
 
-	el.addEventListener('submit', (e) => {
-		e.preventDefault()
-
-		const ms = 60000 / Number(interval.value);
-		output.innerText = `${ms} ms`
-		if (play.checked) {
-			intervalHandle = window.setInterval(() => {
-				playSound()
-			}, ms)
-		} else {
-			window.clearInterval(intervalHandle);
-		}
+        oscillator.type = 'square';
+        oscillator.frequency.setValueAtTime(1000, audioContext.currentTime);
+        oscillator.start();
+
+        oscillator.connect(gain);
+        gain.connect(audioContext.destination);
+
+    	const playSound = () => {
+            gain.gain.setValueAtTime(0.25, audioContext.currentTime);
+            setTimeout(() => {
+                gain.gain.setValueAtTime(0, audioContext.currentTime);
+            }, 10);
+            /*
+    		for (let i = 0; i < items; i += 1) {
+    			if (!audioPool[i].ready) {
+    				return;
+    			}
+    		}
+
+    		audioPool[audioIndex].audio.play();
+    		audioIndex = (audioIndex + 1) % items;
+    */
+    	}
+
+    	el.addEventListener('submit', (e) => {
+    		e.preventDefault()
+
+    		const ms = 60000 / Number(interval.value);
+    		output.innerText = `${ms} ms`
+    		if (play.checked) {
+    			intervalHandle = window.setInterval(() => {
+    				playSound()
+    			}, ms)
+    		} else {
+                gain.gain.setValueAtTime(0, audioContext.currentTime);
+    			window.clearInterval(intervalHandle);
+    		}
 
-		play.checked = !play.checked
-	})
+    		play.checked = !play.checked
+    	})
+    })
 }
 
 const audioForm = new AudioForm(window.document.getElementById('formAudio'))