Added statistics.

index.html

@@ -3,8 +3,8 @@
 		<script src="jquery-1.7.1.js"></script>
 		<script src="utils.js"></script>
 		<script src="tetris-canvas.js"></script>
+		<script src="tetris-stats.js"></script>
 		<script src="tetris.js"></script>
-<!--		<script src="tetris-control.js"></script>-->
 		<script src="tetris-ai.js"></script> 
 		
 		<style>

play.html

@@ -3,6 +3,7 @@
 		<script src="jquery-1.7.1.js"></script>
 		<script src="utils.js"></script>
 		<script src="tetris-canvas.js"></script>
+		<script src="tetris-stats.js"></script>
 		<script src="tetris.js"></script>
 		<script src="tetris-control.js"></script>
 		

tetris-stats.js

@@ -0,0 +1,36 @@
+function TetrisStats() {
+	this.countBrickTypes = Array(8);
+
+	this.countLineCombosCleared = Array(5);
+	this.countLinesCleared = 0;
+
+	this.newBrick = function(brickId) {
+		if (brickId < 0 || brickId > 7) {
+			return false;
+		}
+
+		this.countBrickTypes[brickId]++;
+		return true;
+	}
+
+	this.linesCleared = function(amount) {
+		if (amount < 0 || amount > 4) {
+			return false;
+		}
+
+		this.countLineCombosCleared[amount]++;
+		this.countLinesCleared += amount;
+		return true;
+	}
+
+	this.TetrisStats = function() {
+		for (var i = 0; i < this.countBrickTypes.length; i++) {
+			this.countBrickTypes[i] = 0;
+		}
+
+		for (var i = 0; i < this.countLineCombosCleared.length; i++) {
+			this.countLineCombosCleared[i] = 0;
+		}
+	}
+	this.TetrisStats();
+}

tetris.js

@@ -28,7 +28,8 @@ function TetrisGame(canvasId, linesCounterId, nextBricksCanvasId) {
 	/* Variables: */
 	/**************/
 	this.gameIsOver = false;
-	this.linesCleared = 0;
+
+	this.stats = new TetrisStats();
 	
 	this.width = 10;
 	this.height = 15;
@@ -125,6 +126,7 @@ function TetrisGame(canvasId, linesCounterId, nextBricksCanvasId) {
 			this.currentBrickRot = 0;
 			this.currentBrickLoc = this.getBrickStartingLocation(this.currentBrickId);
 	
+			this.stats.newBrick(this.currentBrickId);
 			this.redraw();
 		}
 	}
@@ -294,7 +296,7 @@ function TetrisGame(canvasId, linesCounterId, nextBricksCanvasId) {
 
 	this.updateLineCounter = function() {
 		if (this.lineCounterElement != 0) {
-			this.lineCounterElement.html('' +this.linesCleared);
+			this.lineCounterElement.html('' +this.stats.countLinesCleared);
 		}
 	}
 	
@@ -310,9 +312,10 @@ function TetrisGame(canvasId, linesCounterId, nextBricksCanvasId) {
 			this.removeLine(filledLines[i]-i);
 		}
 
-		this.linesCleared += filledLines.length;
+		this.stats.linesCleared(filledLines.length);
 		this.updateLineCounter();
 
+
 		this.drawUnlock();
 		this.redraw();