basic_IA.js

/*!
 * PlanetWars Javascript Basic IA exemple
 * http://www.tamina-online.com/expantionreloded/
 *
 *
 * Copyright 2013 Tamina
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 * author : david mouton
 */
 
/**
* nom de l'IA
*/
var name = "basicIA_JS";

/**
 * couleur d'affichage
*/
var color = 0;

/** message de debugage
 *  utilisé par le systeme et affiché dans la trace à chaque tour du combat
*/
var debugMessage="";

/* Id de l'IA */
var id = 0;

/**
 * @internal method
*/
onmessage = function(event)
{
	if(event.data != null) {
		var turnMessage = event.data;
		id = turnMessage.playerId;
		postMessage(new TurnResult( getOrders(turnMessage.galaxy), debugMessage));
	} 
	else postMessage("data null");
};

/**
 * Invoquée tous les tours pour recuperer la liste des ordres à exécuter.
 * C'est la methode à modifier pour cabler son IA.
 * @param context:Galaxy
 * @return result:Array<Order>
*/
var getOrders = function(context) {
	var result = new Array();
	var myPlanets = GameUtil.getPlayerPlanets( id, context );
	var otherPlanets = GameUtil.getEnnemyPlanets(id, context);
	if ( otherPlanets != null && otherPlanets.length > 0 )
	{
		for ( var i = 0; i<myPlanets.length; i++ )
		{
			var myPlanet = myPlanets[ i ];
			if(myPlanet.population >=40){
				result.push( new Order( myPlanet.id, getNearestPlanet(myPlanet,otherPlanets).id, myPlanet.population ) );
			}
			
		}
	}
	return result;
};

var getNearestPlanet = function( source, candidats )
	{
		var result = candidats[ 0 ];
		var currentDist = GameUtil.getDistanceBetween( new Point( source.x, source.y ), new Point( result.x, result.y ) );
		for ( var i = 0; i<candidats.length; i++ )
		{
			var element = candidats[ i ];
			if ( currentDist > GameUtil.getDistanceBetween( new Point( source.x, source.y ), new Point( element.x, element.y ) ) )
			{
				currentDist = GameUtil.getDistanceBetween( new Point( source.x, source.y ), new Point( element.x, element.y ) );
				result = element;
			}
			
		}
		return result;
	}

/**
 * @model Galaxy
 * @param width:Number largeur de la galaxy
 * @param height:Number hauteur de la galaxy
*/
var Galaxy = function(width,height) {
	// largeur
	this.width = width;
	// hauteur
	this.height = height;
	// contenu : liste Planet
	this.content = new Array();
	// flote : liste de Ship
	this.fleet = new Array();
};

/**
 * @model Range
 * @param from:Number début de l'intervale
 * @param to:Number fin de l'intervale
*/
var Range = function(from,to) {
	if(to == null) to = 1;
	if(from == null) from = 0;
	// début de l'intervale
	this.from = from;
	// fin de l'intervale
	this.to = to;
};

/**
 * @model Order
 * @param sourceID:Number id de la planete d'origine
 * @param targetID:Number id de la planete cible
 * @param numUnits:Number nombre d'unité à déplacer
*/
var Order = function(sourceID,targetID,numUnits) {
	// id de la planete d'origine
	this.sourceID = sourceID;
	// id de la planete cible
	this.targetID = targetID;
	// nombre d'unité à déplacer
	this.numUnits = numUnits;
};

/**
 * @model Planet
 * @param x:Number position en x
 * @param y:Number position en y
 * @param size:Number taille
 * @param owner:Player proprietaire
*/
var Planet = function(x,y,size,owner) {
	if(size == null) size = 2;
	if(y == null) y = 0;
	if(x == null) x = 0;
	// position en x
	this.x = x;
	// position en y
	this.y = y;
	// taille
	this.size = size;
	// proprietaire
	this.owner = owner;
	// population
	this.population = PlanetPopulation.getDefaultPopulation(size);
	// id
	this.id = UID.get();
};

/**
 * @model Ship
 * @param crew:Number equipage
 * @param source:Planet origine
 * @param target:Planet cible
 * @param creationTurn:Number numero du tour de creation du vaisseau
*/
var Ship = function(crew,source,target,creationTurn) {
	// equipage
	this.crew = crew;
	// planete d'origine
	this.source = source;
	// planete de destination
	this.target = target;
	// proprietaire du vaisseau
	this.owner = source.owner;
	// numero du tour de creation
	this.creationTurn = creationTurn;
	// duree du voyage en nombre de tour
	this.travelDuration = Math.ceil(GameUtil.getDistanceBetween(new Point(source.x,source.y),new Point(target.x,target.y)) / Game.SHIP_SPEED);
};

/**
 * @internal model
*/
var TurnMessage = function(playerId,galaxy) {
	this.playerId = playerId;
	this.galaxy = galaxy;
};

/**
 * @internal model
*/
var TurnResult = function(orders,message) {
	if(message == null) message = "";
	this.orders = orders;
	this.consoleMessage = message;
	this.error = "";
};

/**
 * @model Point
 * @param x:Number
 * @param y:Number
*/
var Point = function(x,y) {
	this.x = x;
	this.y = y;
};

/**
 * Classe utilitaire
*/
var GameUtil = {} ;
/**
 * @param p1:Point
 * @param p2:Point
 * @return result:Number la distance entre deux points
*/
GameUtil.getDistanceBetween = function(p1,p2) {
	return Math.sqrt(Math.pow(p2.x - p1.x,2) + Math.pow(p2.y - p1.y,2));
}
/**
 * @param planetOwnerId:Number
 * @param context:Galaxy
 * @return result:Array<Planet> la liste des planetes appartenants à un joueur en particulier
*/
GameUtil.getPlayerPlanets = function(planetOwnerId,context) {
	var result = new Array();
	var _g1 = 0, _g = context.content.length;
	while(_g1 < _g) {
		var i = _g1++;
		var p = context.content[i];
		if(p.owner.id == planetOwnerId) result.push(p);
	}
	return result;
}

/**
 * @param planetOwnerId:Number
 * @param context:Galaxy
 * @return result:Array<Planet> la liste des planetes ennemies et neutres
*/
GameUtil.getEnnemyPlanets = function(planetOwnerId,context) {
	var result = new Array();
	var _g1 = 0, _g = context.content.length;
	while(_g1 < _g) {
		var i = _g1++;
		var p = context.content[i];
		if(p.owner.id != planetOwnerId) result.push(p);
	}
	return result;
}

/**
 * Classe utilitaire
 * @internal
*/
var UID = {};
UID.lastUID = 0;
UID.get = function()
{
	UID.lastUID++;
	return UID.lastUID;
}

/**
 * Constantes
*/
var Game = {};
Game.DEFAULT_PLAYER_POPULATION = 100;
Game.NUM_PLANET = new Range(5,10);
Game.PLANET_GROWTH = 5;
Game.SHIP_SPEED = 60;
Game.GAME_SPEED = 500;
Game.GAME_DURATION = 240;
Game.GAME_MAX_NUM_TURN = 500;

var PlanetPopulation = {};
PlanetPopulation.DEFAULT_SMALL = 20;
PlanetPopulation.DEFAULT_NORMAL = 30;
PlanetPopulation.DEFAULT_BIG = 40;
PlanetPopulation.DEFAULT_HUGE = 50;
PlanetPopulation.MAX_SMALL = 50;
PlanetPopulation.MAX_NORMAL = 100;
PlanetPopulation.MAX_BIG = 200;
PlanetPopulation.MAX_HUGE = 300;
PlanetPopulation.getMaxPopulation = function(planetSize) {
	var result = 1;
	switch(planetSize) {
		case PlanetSize.SMALL:
			result = PlanetPopulation.MAX_SMALL;
			break;
		case PlanetSize.NORMAL:
			result = PlanetPopulation.MAX_NORMAL;
			break;
		case PlanetSize.BIG:
			result = PlanetPopulation.MAX_BIG;
			break;
		case PlanetSize.HUGE:
			result = PlanetPopulation.MAX_HUGE;
			break;
		}
	return result;
}
PlanetPopulation.getDefaultPopulation = function(planetSize) {
	var result = 1;
	switch(planetSize) {
		case PlanetSize.SMALL:
			result = PlanetPopulation.DEFAULT_SMALL;
			break;
		case PlanetSize.NORMAL:
			result = PlanetPopulation.DEFAULT_NORMAL;
			break;
		case PlanetSize.BIG:
			result = PlanetPopulation.DEFAULT_BIG;
			break;
		case PlanetSize.HUGE:
			result = PlanetPopulation.DEFAULT_HUGE;
			break;
	}
	return result;
}


var PlanetSize = {};
PlanetSize.SMALL = 1;
PlanetSize.NORMAL = 2;
PlanetSize.BIG = 3;
PlanetSize.HUGE = 4;