Add: HeartManager, HeartGauge

src/game/lib/score_manager.js

@@ -4,33 +4,41 @@ class ScoreManager {
 		this.score = 0;
 		this.highScore = 0;
 
-		this.onChangeScoreFunctions = [];
-		this.onChangeHighScoreFunctions = [];
+		this.onChangeScoreListeners = [];
+		this.onChangeHighScoreListeners = [];
 	}
 
-	addOnChangeScoreFunctions(onChangeFunction) {
-		this.onChangeScoreFunctions.push(onChangeFunction);
+	callListener(functionArray) {
+		if(functionArray.length > 0) {
+			for(let i = 0; i < functionArray.length; i++) {
+				functionArray[i](this.score);
+			}
+		}
 	}
 
-	removeOnChangeScoreFunctions(onChangeFunction) {
-		let itemIndex = this.onChangeScoreFunctions.indexOf(onChangeFunction);
+	addOnChangeScoreListener(onChangeFunction) {
+		this.onChangeScoreListeners.push(onChangeFunction);
+	}
+
+	removeOnChangeScoreListener(onChangeFunction) {
+		let itemIndex = this.onChangeScoreListeners.indexOf(onChangeFunction);
 		if(itemIndex > -1)
-			this.onChangeScoreFunctions.splice(itemIndex, 1);
+			this.onChangeScoreListeners.splice(itemIndex, 1);
 	}
 
-	addOnChangeHighScoreFunctions(onChangeHighScoreFunction) {
-		this.onChangeHighScoreFunctions.push(onChangeHighScoreFunction);
+	addOnChangeHighScoreListener(onChangeHighScoreFunction) {
+		this.onChangeHighScoreListeners.push(onChangeHighScoreFunction);
 	}
 
-	removeOnChangeHighScoreFunctions(onChangeHighScoreFunction) {
-		let itemIndex = this.onChangeHighScoreFunctions.indexOf(onChangeHighScoreFunction);
+	removeOnChangeHighScoreListener(onChangeHighScoreFunction) {
+		let itemIndex = this.onChangeHighScoreListeners.indexOf(onChangeHighScoreFunction);
 		if(itemIndex > -1)
-			this.onChangeHighScoreFunctions.splice(itemIndex, 1);
+			this.onChangeHighScoreListeners.splice(itemIndex, 1);
 	}
 
-	removeAllFunctions() {
-		this.onChangeScoreFunctions = [];
-		this.onChangeHighScoreFunctions = [];
+	removeAllListeners() {
+		this.onChangeScoreListeners = [];
+		this.onChangeHighScoreListeners = [];
 	}
 
 
@@ -56,24 +64,12 @@ class ScoreManager {
 		this.score = value;
 
 		// update score
-		if(beforeScore !== this.score) {
-			if(this.onChangeScoreFunctions.length > 0) {
-				for(let i = 0; i < this.onChangeScoreFunctions.length; i++) {
-					this.onChangeScoreFunctions[i](this.score);
-				}
-			}
-		}
+		if(beforeScore !== this.score)
+			this.callListener(this.onChangeScoreListeners);
 
 		// update high score
-		if(this.score > this.highScore) {
-			this.highScore = this.score;
-
-			if(this.onChangeHighScoreFunctions.length > 0) {
-				for(let i = 0; i < this.onChangeHighScoreFunctions.length; i++) {
-					this.onChangeHighScoreFunctions[i](this.highScore);
-				}
-			}
-		}
+		if(this.score > this.highScore)
+			this.callListener(this.onChangeHighScoreListeners);
 	}
 
 }