function c1Cannon::onLevelLoaded(%this, %scenegraph)
{
  $p1Cannon = %this;
  //mount the machine gun onto player
  p1Cannon.mount(Player1Image, 1, 0.5, 0, 1, 1, 0, 0);
  p1Cannon.setEnabled(0);
}

function c1Cannon::createProjectile(%this)
{
	
	%this.Cannonball = new t2dStaticSprite()
   {
      scenegraph = %this.scenegraph;
      class = Cannonball;
	  player = %this;  
   };
   %this.Cannonball.shootProjectile();
	
}


function Cannonball::shootProjectile(%this)
{
   %this.enableUpdateCallback();
   // Pick the image and set its size
   %this.setImageMap(cannonballImageMap1);
   %this.setSize(5, 5);
   %facing_angle_deg = $p1Cannon.getRotation();
   %this.setRotation(%facing_angle_deg);
   %this.setLayer(3);
   // Turn on collision, but turn off physics
   %this.setCollisionActive( true, false );
   %this.setCollisionPhysics(false, false);
   %this.setCollisionCallback(true);
   %this.setCollisionPolyCustom(6, "-0.388 -0.403", "0.083 -0.560","0.570 -0.162","0.467 0.452", "-0.177 0.594","-0.594 0.162");
  
    %this.setPositionX(%this.player.getPositionX());
    %this.setPositionY(%this.player.getPositionY());
	%facing_angle_deg = $p1Cannon.getRotation();
	%facing_angle_rad = (%facing_angle_deg / 180) * 3.142;
	%this.setLinearVelocityPolar(%facing_angle_deg + 90, 20*$speedmultiplier1);
	%this.setDamping(2.0);
	 
   %cameraViewBounds = sceneWindow2D.getCurrentCameraArea();
   %this.setWorldLimit( kill, getword(%cameraViewBounds, 0) - (%this.getWidth()  / 2),
                              getword(%cameraViewBounds, 1) - (%this.getHeight() / 2),
                              getword(%cameraViewBounds, 2) + (%this.getWidth()  / 2),
                              getword(%cameraViewBounds, 3) + (%this.getHeight() / 2) );
}

function Cannonball::onUpdate(%this)
{
	$initialspeed = 20*($speedmultiplier1)*0.1;
	
	$distancetravelled = ($initialspeed*$initialspeed)/12;
	
	if ($distancetravelled > 300)
		$distancetravelled = 300;
	
	$currentDistance = VectorDist(%this.getPosition(), Player1Image.getPosition());
	
	if ($currentDistance > ($distancetravelled/1.5)) {
		if (%this.getWidth() < 20)
		{
			$CannonballImpactHandle = alxPlay(Explosion1);
			Cannonexplode(%this);
			%this.safeDelete();
			$damagedone = 0;
		}
		else {
			$currentWidth = %this.getWidth()-6;
			%this.setSize(%this.getWidth()-6, %this.getHeight()-6);
		}
	}
	else 
	{
		$currentWidth = %this.getWidth()+6;
		%this.setSize(%this.getWidth()+6, %this.getHeight()+6);
	}
}

function Cannonball::onCollision( %srcObj, %dstObj, %srcRef, %dstRef, %time, %normal, %contactCount, %contacts )
{
	if (%dstObj.class $= "Player2")
	{
		$correctdist = VectorDist(Player2Image.getPosition(), Player1Image.getPosition());
		if (($distancetravelled > $correctdist-40) && ($distancetravelled < $correctdist+40))
		{
		$CannonballImpactHandle = alxPlay(Explosion1);
		if ($damagedone == 0) {
			%srcObj.dealDamage(6, %dstObj);
			$damagedone = 1;
		}
		Cannonexplode(%dstObj);
		}
	}
	if (%dstObj.class $= "trees")
	{
		$correctdist3 = VectorDist(Player1Image.getPosition(), %dstObj.getPosition());
		if (($distancetravelled > $correctdist3-30) && ($distancetravelled < $correctdist3+30))
		{
			$GrenadeImpactp2Handle = alxPlay(Explosion1);
			treeFire(%dstObj);
		}
	}	
}

function Cannonexplode(%this)
{	
	%cannonExplodeEffect = new t2dParticleEffect()
	{
		scenegraph = %this.scenegraph;
	};
	
	%cannonExplodeEffect.loadEffect("~/data/particles/cannonExplosion.eff");
	%cannonExplodeEffect.setLayer(3);
	%cannonExplodeEffect.setEffectLifeMode("KILL", 1);
	%cannonExplodeEffect.setPosition(%this.getPosition());
	%cannonExplodeEffect.playEffect();
}

function treeFire(%this)
{
	%treeBurn1 = new t2dParticleEffect()
	{
		scenegraph = %this.scenegraph;
	};
	
	%treeBurn1.loadEffect("~/data/particles/campfire.eff");
	%treeBurn1.setLayer(3);
	%treeBurn1.setEffectLifeMode("KILL", 1);
	%treeBurn1.setPosition(%this.getPosition());
	%treeBurn1.playEffect();
}
	
function Cannonball::dealDamage(%this, %amount, %victim)
{
   %takesDamage = %victim.getBehavior("TakesDamageAdvBehavior");
   if (!isObject(%takesDamage))
      return; 
        
   %takesDamage.takeDamage(%amount, %this);
}