/*** Weapons ***/

function Weapon() {
	"use strict";
}
Weapon.prototype = {
	speed : 5,
	strength : 10,
	stock: Infinity,
	rof : 300,
	ror : 1500,
	load : 1,
	max_load : 1,
	width : 5,
	height : 5,
	shot_timer : false,
	reload_timer : false,
	directionX : 0,
	directionY : 1,
	animation : null,
	clazz : "default",
	callback : undefined,

	fire : function() {
		if (this.shot_timer || this.load <= 0) {
			return false;
		}
		
		var _this = this;
		this.load = Math.max(0,this.load - 1);
		this.shot_timer = setInterval(function() {
			if (_this.load > 0) {
				clearTimeout(_this.shot_timer);
				_this.shot_timer = false;
			}
		}, this.rof);
		
		if( !this.reload_timer) {
			this.reload_timer = setInterval( function() {
				_this.load = Math.min(_this.load + 1, Math.min(_this.max_load, _this.stock));
				if( _this.load == _this.max_load ) {
					clearInterval(_this.reload_timer);
					_this.reload_timer = false;
				}
			}, this.ror);
		}
		return true;
	}

}

function ShotgunWeapon() {
	"use strict";
	this.directionY = -1;
	this.rof = 200;
	this.ror = 1500;
	this.load = 2;
	this.max_load = 2;
	this.width = 3;
	this.height = 3;
	this.clazz = "Shotgun"
}
ShotgunWeapon.prototype = {
}
heriter(ShotgunWeapon.prototype, Weapon.prototype);

function CarotWeapon() {
	"use strict";
	this.directionY = -1;
	this.stock = 10;
	this.clazz = "carot";
	this.load = 5;
	this.max_load = 5;
	this.width = 5;
	this.height = 10;
}
CarotWeapon.prototype = {
		
}
heriter(CarotWeapon.prototype, Weapon.prototype);

function CornWeapon() {
	"use strict";
	this.directionY = -1;
	this.stock = 3;
	this.clazz = "corn";
	this.load = 1;
	this.max_load = 1;
	this.callback = function(shot) {
		var mediumAlien = getAliensMidHeight();
		
		if( shot.y() < mediumAlien ) {
			var 	x = shot.x(),
				y = shot.y(),
				explosion = EXPLOSIONS.SMALL[0];
			$("#shipShots").addSprite("cornExplosion", {width: explosion.width, height: explosion.height, posx: x - explosion.width / 2, posy: y - explosion.height / 2});
			explosionSmall($("#cornExplosion"), function() {$("#cornExplosion").remove()});
			shot.remove();

			var shipShots = $("#shipShots");
			for( var i = 0; i < 8; i++) {
				var cos = Math.cos( (Math.PI / 4) * i ),
					sin = Math.sin( (Math.PI / 4) * i);
				if( Math.abs(cos) < 0.01 ) {
					cos = 0;
				}
				if( Math.abs(sin) < 0.01) {
					sin = 0;
				}
				shipShots.addSprite( "shotCorn" + i, { posx : x + 5 * cos, posy : y + 5 * sin, width: 2, height: 2});
				var shotCorn = $("#shotCorn" + i);
				shotCorn.addClass("shipShot").addClass("shotCorn");
				$("#shotCorn" + i)[0].weapon = $.extend({
						directionX : cos < 0 ? -1 : cos > 0 ? 1 : 0,
						directionY : sin < 0 ? -1 : sin > 0 ? 1 : 0,
						speed : 1
					}, shot.weapon); 
			}
		}
	}
}
CornWeapon.prototype = {
		
}
heriter(CornWeapon.prototype, Weapon.prototype);


function AlienWeapon() {
	"use strict";
	this.directionY = 1;
	this.width = 5;
	this.height = 10;
}
AlienWeapon.prototype = {
		
}
heriter(AlienWeapon.prototype, Weapon.prototype);
/*** Weapons -END ***/