Refactor away from '== null' checks towards isSet

moonlight/src/AISprite.js

@@ -48,7 +48,7 @@ var AISprite = function(game, x, y, key, frame) {
 	}
 
 	var viewrect = this.viewRectangle();
-	if ( viewrect == null ) {
+	if ( isSet(viewrect) == false ) {
 	    return false;
 	}
 	var sprrect = positiveRectangle(spr.x, spr.y, 32, 32);
@@ -64,7 +64,7 @@ var AISprite = function(game, x, y, key, frame) {
 
     this.startAwarenessTimer = function() {
 	this.awareness_change_enabled = false;
-	if ( this.awareness_timer !== null )
+	if ( isSet(this.awareness_timer) )
 	    this.awareness_timer.stop();
 	this.awareness_timer = game.time.create(false);
 	this.awareness_timer.add(this.sprite_awareness_duration, 
@@ -94,7 +94,7 @@ var AISprite = function(game, x, y, key, frame) {
 	this.startAwarenessTimer();
 	setAwarenessState(this, state);
 
-	if ( this.awareness_effect !== null ) {
+	if ( isSet(this.awareness_effect) ) {
 	    this.awareness_effect.alive = false;
 	    this.awareness_effect.destroy();
 	    this.awareness_effect = null;
@@ -138,7 +138,7 @@ var AISprite = function(game, x, y, key, frame) {
     }
 
     this.clearWordBubble = function() {
-	if ( this.bubble_text !== null )
+	if ( isSet(this.bubble_text) )
 	    this.clear_bubble = true;
 	this.enable_word_bubble = false;
 	this.timer = game.time.create(false);
@@ -148,7 +148,7 @@ var AISprite = function(game, x, y, key, frame) {
 
     this.setWordBubble = function()
     {
-	if ( this.bubble_text !== null || 
+	if ( isSet(this.bubble_text) || 
 	     this.sprite_group == undefined || 
 	     this.enable_world_bubble == false) {
 	    return;
@@ -336,7 +336,7 @@ var AISprite = function(game, x, y, key, frame) {
 	this.animations.stop();
 	this.animations.play(getMovingAnimationName(this));		
 	this.animations.stop();
-	if ( this.rotation_timer !== null ) {
+	if ( isSet(this.rotation_timer) ) {
 	    this.rotation_timer.stop();
 	    this.rotation_timer = null;
 	}
@@ -358,7 +358,7 @@ var AISprite = function(game, x, y, key, frame) {
 		this.path_set(target, true, maxsteps, useNearestWalkable);
 		this.path_tween_start(movingstate);
 	    } else {
-		if ( this.rotation_timer == null ) {
+		if ( isSet(this.rotation_timer) == false ) {
 		    this.rotation_timer = game.time.create(false);
 		    timerev = this.rotation_timer.add(250, this.turnUnseenDirection, this);
 		    this.rotation_timer.start()
@@ -406,26 +406,27 @@ var AISprite = function(game, x, y, key, frame) {
     this.action_reportplayer = function()
     {
 	if ( (this.path.length < 1) || this.path_index >= this.path.length) {
-	    if ( this.target == null && 
+	    if ( isSet(this.target) == false && 
 		 hasState(this, STATE_RUNNINGTOLIGHT) == false ) {
 		var aiSprites = game.state.states.game.aiSprites;
 		this.target = nearestInGroup(this, aiSprites, "townsfolk-guard");
 	    } else if ( hasState(this, STATE_RUNNINGTOLIGHT) == false ) {
-		if ( this.target.rotation_timer !== null ) {
+		if ( isSet(this.target) ) {
+		    if ( isSet(this.target.rotation_timer) ) {
 			this.target.rotation_timer.stop();
 			this.target.rotation_timer = null;
 		    }
+		    if ( isSet(this.target.sprite_group) ) {
 			this.target.path_purge();
 			this.target.setAwarenessEffect(STATE_ALERTED);
 			this.target.target = this.lastSawPlayerAt;
 			addState(this.target, STATE_RUNNINGTOREPORT);
-
+		    }
+		}
 		this.path_tween_stop();
 		this.path_purge();
 		var staticLights = game.state.states.game.staticLights;		
 		this.target = nearestInGroup(this, staticLights);
-		console.log("Running to the nearest light");
-		console.log(this.target);
 		addState(this, STATE_RUNNINGTOLIGHT);		
 	    } else {
 		this.awareness_timer.stop();
@@ -437,7 +438,7 @@ var AISprite = function(game, x, y, key, frame) {
 		return;
 	    }
 	}
-	if ( this.target !== null ) {
+	if ( isSet(this.target) ) {
 	    this.chasetarget(this.target,
 			     STATE_ALERTED, 
 			     STATE_MOVING | STATE_RUNNING,
@@ -469,7 +470,7 @@ var AISprite = function(game, x, y, key, frame) {
     {
 	if ( this.ready_to_update == false )
 	    return;
-	if ( this.awareness_effect !== null ) {
+	if ( isSet(this.awareness_effect) ) {
 	    if ( this.awareness_effect.alive == false ) {
 		this.awareness_effect.destroy();
 		this.awareness_effect = null;
@@ -479,7 +480,7 @@ var AISprite = function(game, x, y, key, frame) {
 	    }
 	}
 
-	if ( this.bubble_text !== null ) {
+	if ( isSet(this.bubble_text) ) {
 	    if ( this.clear_bubble == true ) {
 		this.bubble_text.destroy();
 		this.bubble_sprite.destroy();
@@ -505,7 +506,7 @@ var AISprite = function(game, x, y, key, frame) {
     }
 
     this.update_new_values = function() {
-	if ( this.timer !== null )
+	if ( isSet(this.timer) )
 	    this.timer.stop();
 	this.animations.destroy();
 	this.clearWordBubble();	

moonlight/src/GameStates.js

@@ -281,7 +281,7 @@ GameState.prototype.update = function()
     if ( this.aiSprites.debug == true ) {
     	function _draw_viewrect(x) {
     	    var r = x.viewRectangle();
-    	    if ( r == null ) 
+    	    if ( isSet(r) ) 
     		return;
     	    this.shadowTexture.context.fillStyle = 'rgb(128, 128, 128)';
     	    this.shadowTexture.context.fillRect(r.left, 
@@ -292,7 +292,7 @@ GameState.prototype.update = function()
     	this.aiSprites.forEach(_draw_viewrect, this);
     	function _draw_aipath(x) {
     	    var p = x.path;
-    	    if ( p == null )
+    	    if ( isSet(p) )
     		return;
     	    this.shadowTexture.context.fillStyle = 'rgb(255, 128, 128)';
     	    p.forEach(function(r) {

moonlight/src/SoundSprite.js

@@ -29,8 +29,8 @@ SoundSprite.prototype = Object.create(Phaser.Sprite.prototype);
 SoundSprite.prototype.constructor = Light;
 
 SoundSprite.prototype.update_new_values = function() {
-    if ( this.sound_key == null ) {
-	if ( this.sound !== null ) {
+    if ( isSet(this.sound_key) == false ) {
+	if ( isSet(this.sound) ) {
 	    this.sound.stop();
 	}
 	return;
@@ -42,7 +42,7 @@ SoundSprite.prototype.update_new_values = function() {
     this.sound_forcerestart = parseBoolean(this.sound_forcerestart);
     this.sound_nofade = parseBoolean(this.sound_nofade);
 
-    if ( this.sound !== null )
+    if ( isSet(this.sound) )
 	this.sound.stop();
     this.sound = game.add.audio(this.sound_key, this.sound_volume, this.sound_loop);
     this.sound.play(

moonlight/src/Util.js

@@ -103,7 +103,7 @@ function nearestWalkableTile(spr)
 
     for ( var i = 1 ; i < 100 ; i++ ) {
 	var rv = _walkable_inner(i);
-	if ( rv !== null ) {
+	if ( isSet(rv) ) {
 	    console.log("Found near walkable tile");
 	    console.log([rv] + [spr.x / 32, spr.y / 32]);
 	    return rv