ApplyRules

code/CandyFucker.js

@@ -49,6 +49,8 @@ var CandyFucker = function(idScreen){
 	this.Grid = null;
 	this.GridOffset = {X: 0, Y: 0};
 	this.CandyTypes = ["Red", "Blue", "Cyan", "Green", "Yellow"];
+	this.Locked = false;
+	this.Falling = false;
 	this.Changed = false;
 	
 	window.Images.LoadImages(
@@ -70,7 +72,31 @@ CandyFucker.prototype = {
 		this.BuildGrid(15, 15);
 	},
 	Proc: function(gameScreen){
-		
+		if(this.Locked){
+			if(this.Falling){
+				if(!this.CandyFall()){
+					this.Falling = false;
+					console.log("Stoped");
+				}
+			}else{
+				if(this.ApplyRules()){
+					this.Falling = true;
+					console.log("Falling");
+				}else{
+					this.Locked = false;
+					console.log("Stoped");
+				}
+			}
+		}else{
+			if(this.Changed){
+				if(this.ApplyRules()){
+					this.Locked = true;
+					this.Falling = true;
+					console.log("Falling");
+				}
+			}
+		}
+		this.Changed = false;
 	},
 	End: function(gameScreen){ },
 	GetCandy: function(x, y){
@@ -106,6 +132,138 @@ CandyFucker.prototype = {
 		}
 		this.Changed = true;
 	},
+	ScanHorizontalRuns: function(){
+		var x,y;
+		var xPrev,yPrev;
+		var currentColor;
+		var prevColor;
+		var horizontalRuns = [];
+		for(y=0;y<this.GridSize.Y;y++){
+			yPrev = y;
+			xPrev = 0;
+			prevColor = "";
+			for(x=0;x<this.GridSize.X;x++){
+				var candy = this.GetCandy(x, y);
+				if(candy){
+					currentColor = candy.Color;
+				}else{
+					currentColor = "";
+				}
+				if(currentColor != prevColor){
+					if((x-xPrev)>2){
+						if(prevColor!=""){
+							// Run found
+							horizontalRuns.push({
+								Start: {X: xPrev, Y: yPrev},
+								End: {X: x-1, Y: y},
+								Color: prevColor
+							});
+						}
+					}
+					xPrev = x;
+					yPrev = y;
+					prevColor = currentColor;
+				}
+			}
+			if((x-xPrev)>2){
+				if(prevColor!=""){
+					// Run found
+					horizontalRuns.push({
+						Start: {X: xPrev, Y: yPrev},
+						End: {X: x-1, Y: y},
+						Color: prevColor
+					});
+				}
+			}
+		}
+		return horizontalRuns;
+	},
+	ScanVerticalRuns: function(){
+		var x,y;
+		var xPrev,yPrev;
+		var currentColor;
+		var prevColor;
+		var verticalRuns = [];
+		for(x=0;x<this.GridSize.X;x++){
+			yPrev = 0;
+			xPrev = x;
+			prevColor = "";
+			for(y=0;y<this.GridSize.Y;y++){
+				var candy = this.GetCandy(x, y);
+				if(candy){
+					currentColor = candy.Color;
+				}else{
+					currentColor = "";
+				}
+				if(currentColor != prevColor){
+					if((y-yPrev)>2){
+						if(prevColor!=""){
+							// Run found
+							verticalRuns.push({
+								Start: {X: xPrev, Y: yPrev},
+								End: {X: x, Y: y-1},
+								Color: prevColor
+							});
+						}
+					}
+					xPrev = x;
+					yPrev = y;
+					prevColor = currentColor;
+				}
+			}
+			if((y-yPrev)>2){
+				if(prevColor!=""){
+					// Run found
+					verticalRuns.push({
+						Start: {X: xPrev, Y: yPrev},
+						End: {X: x, Y: y-1},
+						Color: prevColor
+					});
+				}
+			}
+		}
+		return verticalRuns;
+	},
+	RemoveRuns: function(runs){
+		var pointsMultiplier = 10;
+		var points = 0;
+		for(var i=0,n=runs.length;i<n;i++){
+			var run = runs[i];
+			if(run.Start.X == run.End.X){
+				// Vertical run
+				for(var y=run.Start.Y;y<=run.End.Y;y++){
+					var candy = this.RemoveCandy(run.Start.X, y);
+					if(candy){
+						candy.Delete();
+						points += pointsMultiplier;
+						pointsMultiplier = pointsMultiplier*2;
+					}
+				}
+			}else{
+				// Horizontal run
+				for(var x=run.Start.X;x<=run.End.X;x++){
+					var candy = this.RemoveCandy(x, run.Start.Y);
+					if(candy){
+						candy.Delete();
+						points += pointsMultiplier;
+						pointsMultiplier = pointsMultiplier*2;
+					}
+				}
+			}
+		}
+		return points;
+	},
+	ApplyRules: function(){
+		var horizontalRuns = this.ScanHorizontalRuns();
+		var verticalRuns = this.ScanVerticalRuns();
+		var runs = horizontalRuns.concat(verticalRuns);
+		var points = this.RemoveRuns(runs);
+		console.log(points)
+		return (runs.length>0);
+	},
+	CandyFall: function(){
+		// FIXME: Implement this
+	},
 	Debug: false
 };