// RadarDisplay Class Definition //
// Defines Radar device that can ping the environment for interesting targets

Script.include(["pd_utils.js"]);

RadarDisplay = function() {
	print("RadarDisplay - CONSTRUCTOR");
	this.targetMarkerUrl = "http://nerdchallenge.com/hifi/props/radar_target.fbx";
	this.targetMarkerDims = { x:1.12, y:0.02, z:1.12 };
	this.pos = {x:20, y:100 };
	this.range = 100.0;  // Range of radar.
	this.targets = [];  //  Target entities found in latest ping.
	this.hitText = "Eco Targets Found: ";
	this.title = createOverlay("RADAR", {x:this.pos.x, y:this.pos.y}, 16, 0.8);
	this.main = createOverlay(this.hitText + "0", {x:this.pos.x, y:this.pos.y + 30}, 14, 0);
};

RadarDisplay.prototype.showUI = function(isVisible) {
	isVisible = typeof isVisible !== 'undefined' ? isVisible : true;
	Overlays.editOverlay(this.title, {visible: isVisible});
	Overlays.editOverlay(this.main, {visible: isVisible});
};

RadarDisplay.prototype.uiSetHits = function(numHits) {
	Overlays.editOverlay(this.main, {text: this.hitText + numHits});
};

RadarDisplay.prototype.getTargetsInRange = function() {
		foundEnts = Entities.findEntities(MyAvatar.position, this.range);
		this.showUI();
		pdTargets = [];
		//print ("Found ents: " + foundEnts.length);
		for( i = 0; i < foundEnts.length; i++) 
		{
			var entity = foundEnts[i];
			var entityProps = Entities.getEntityProperties(entity);
			//print("Processing: " + entityProps.name);
			var userDataString = entityProps.userData;
			if (typeof(userDataString) == "undefined")
				continue;
				
			if (userDataString == "")
				continue;
			//print("USER DATA STRING:"  + userDataString);
			var userData = JSON.parse(userDataString);
			print(userData.pdType);
			
			if (userData.pdType	!= "undefined")
			{
				this.targets.push(entityProps);
				print ("Found pd target: " + userData.pdType);		
			}
		}
};

RadarDisplay.prototype.showSceneMarkers = function()
{
	for (i = 0; i < this.targets.length; i++)
	{
		print("Creating target marker");
		var target = this.targets[i];
		createModelEntity(this.targetMarkerUrl, target.position, "radar_target", this.targetMarkerDims, getRandomInt(3,5) );	
	}
};

RadarDisplay.prototype.firePing = function() 
{
	this.targets = [];
	this.getTargetsInRange();
	this.uiSetHits(this.targets.length);
	this.showSceneMarkers();
};


//////////////////////////

// Testing

//var radarDisplay = new RadarDisplay();
// Controller.keyPressEvent.connect(keyPressEvent);

// function keyPressEvent(event) {
    // var keyName = event.text;
// 
    // if (event.isShifted) {
        // keyName = "SHIFT+" + keyName;
    // }
// 
	// if (keyName == "r")
	// {
		// print("Radar pinging...");
		// radarDisplay.firePing();
	// }
// 
	// if (keyName == "-")
	// {
		// MyAvatar.goToLocation({x:0,y:0,z:0});	
		// MyAvatar.motorVelocity = {x:0,y:0,z:0};	
	// }
// 	
	// if (keyName == ">")
	// {
		// // Scan mode
		// print("SCAN mode toggle");
	// }
// }
// 	
// Does a radar ping on enviro