1 files changed, 67 insertions, 7 deletions

diff --git a/game.js b/game.js
index 1d06a2e..c1083b4 100644
--- a/game.js
+++ b/game.js
@@ -109,12 +109,29 @@ function openGame() {
 		displayScore(score);
 	});
 
-	socket.on("serve", function(side, x, y) {
+	socket.on("join", function() {
+		playSound("join");
+	});
+
+	socket.on("leave", function() {
+		playSound("leave");
+	});
+
+	socket.on("othermiss", function() {
+		playSound("score");
+	});
+
+	socket.on("bounce", function() {
+		playSound("bounce");
+	});
+
+	socket.on("serve", function(side, x, y, initServe) {
 		playing = true;
 		flip = side == "right";
 		ballX = x; ballY = y;
 		padPos = pad2Pos = 0.5;
 		redraw();
+		if (!initServe) playSound("ready");
 	});
 
 	socket.on("stop", function() {
@@ -130,6 +147,7 @@ function openGame() {
 		ballVY = -0.5;
 		startPhysicsLoop();
 		startGraphicsLoop();
+		playSound("start");
 	});
 
 	socket.on("start", function() {
@@ -138,6 +156,7 @@ function openGame() {
 		ballVY = -0.5;
 		startPhysicsLoop();
 		startGraphicsLoop();
+		playSound("start");
 	});
 
 	socket.on("padvec", function(pos, vel) {
@@ -170,12 +189,21 @@ function stopGraphicsLoop() {
 function startPhysicsLoop() {
 	var interval = 1 / 120;
 	physicsLoopId = setInterval(function() {
-		if (advancePhysics(interval)) {
+		var info = advancePhysics(interval);
+		if (info.bounce || info.otherBounce) {
+			playSound("bounce");
+		}
+		if (info.bounce || info.ourSide) {
 			socket.emit("ballvec", ballX, ballY, ballVX, ballVY);
 		}
+		if (info.bounce) {
+			socket.emit("bounce");
+		}
+
 		if (ballX < -ballRadius) {
 			socket.emit("ballout");
 			stopPhysicsLoop();
+			playSound("miss");
 		}
 	}, interval * 1000);
 }
@@ -193,9 +221,9 @@ function initPhysics() {
 	padVel = pad2Vel = 0;
 }
 
-// Returns whether a new ballvec should be sent
+// Returns {bounce, otherBounce, ourSide : Bool}
 function advancePhysics(deltaT) {
-	var sendBallvec = false;
+	var ret = {bounce: false, otherBounce: false, ourSide: false};
 
 	var newballX = ballX + ballVX * deltaT;
 	var newballY = ballY + ballVY * deltaT;
@@ -218,10 +246,11 @@ function advancePhysics(deltaT) {
 	if (newballX <= padX + padWidth + ballRadius &&
 				Math.abs(newballY - padPos) < padHeight / 2 + ballRadius) {
 		t = (padX + padWidth + ballRadius - ballX) / ballVX;
-		sendBallvec = true;  // rebound from *our* pad
+		ret.bounce = true;
 	} else if (newballX >= 1 - (padX + padWidth + ballRadius) &&
 				Math.abs(newballY - pad2Pos) < padHeight / 2 + ballRadius) {
 		t = (1 - (padX + padWidth + ballRadius) - ballX) / ballVX;
+		ret.otherBounce = true;
 	} else {
 		t = -1;
 	}
@@ -232,7 +261,7 @@ function advancePhysics(deltaT) {
 
 	// If the ball has come to our side, send a ballvec
 	if (ballX >= 0.5 && newballX < 0.5) {
-		sendBallvec = true;
+		ret.ourSide = true;
 	}
 
 	ballX = newballX;
@@ -240,7 +269,36 @@ function advancePhysics(deltaT) {
 	padPos = newpadPos;
 	pad2Pos = newpad2Pos;
 
-	return sendBallvec;
+	return ret;
+}
+
+var soundMap = {};
+
+function preloadSounds() {
+	var names = ["bounce", "leave", "ready", "start", "join", "miss", "score"];
+	var types = [["audio/ogg", "ogg"], ["audio/mpeg", "mp3"], ["audio/wav", "wav"]];
+	for (var i = 0; i < names.length; i++) {
+		var audio = new Audio();
+		for (var j = 0; j < types.length; j++) {
+			var source = document.createElement("source");
+			source.type = types[j][0];
+			source.src = "/snd/" + names[i] + "." + types[j][1];
+			audio.appendChild(source);
+		}
+		soundMap[names[i]] = audio;
+		audio.preload = "auto";
+	}
+}
+
+var lastSoundStampMap = {};
+
+function playSound(name) {
+	var now = new Date();
+	console.log("playSound(\"" + name + "\")");
+	if (lastSoundStampMap[name] == null || now - lastSoundStampMap[name] >= 500) {
+		soundMap[name].play();
+	}
+	lastSoundStampMap[name] = now;
 }
 
 function setupBindings() {
@@ -274,6 +332,8 @@ window.addEventListener("load", function() {
 
 	setupBindings();
 
+	preloadSounds();
+
 	openGame();
 });