// shoot a missile
public void Shoot()
{
// missile should be fast
this.setDelta(10.0f);
// for missile
if (this.direction == 1f && !ProjectileTracker.MissileFlying)
{
ProjectileTracker.MissileHandle();
}
}
// For Missile object use
// When missile hits Alien
public override void VisitAlien()
{
if (this.category == Category.Missile)
{
// Explode
//Debug.Print("Missile exloded!");
// Reset location
this.pProxy.x = 0f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Flip Missile Handle
ProjectileTracker.MissileHandle();
}
}
// When projectile hits Wall
public override void VisitWall()
{
if (this.category == Category.Missile)
{
// Explode
// Reset location
this.pProxy.x = -10f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Flip Missile Handle
ProjectileTracker.MissileHandle();
}
else if (this.category == Category.Bomb)
{
// reset bomb location
this.pProxy.x = -10f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Explode
// ReDrop immediately
if (this.pProxy.pSprite.name == GameSprite.Name.DaggerBomb)
{
this.dropID = (new Random().Next(0, 10));
//Debug.Print("Bomb Drop ID: " + this.dropID.ToString());
ProjectileTracker.DaggerHandle();
}
else if (this.pProxy.pSprite.name == GameSprite.Name.RollingBomb)
{
this.dropID = (new Random().Next(0, 10));
ProjectileTracker.RollingHandle();
}
else if (this.pProxy.pSprite.name == GameSprite.Name.ZigZagBomb)
{
this.dropID = (new Random().Next(0, 10));
ProjectileTracker.ZigZagHandle();
}
}
else if (this.category == Category.AlienGrid)
{
//Debug.Print("Alien Grid collides Wall");
float oldDelta = this.pProxy.delta;
this.CompositeSetDelta(oldDelta * -1f);
}
}
// When missile hits Shield
public override void VisitShield()
{
if (this.category == Category.Missile)
{
// Explode
// Reset location
this.pProxy.x = 0f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Flip Missile Handle
ProjectileTracker.MissileHandle();
}
else if (this.category == Category.Bomb)
{
// reset bomb location
this.pProxy.x = -10f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Explode
// ReDrop immediately
if (this.pProxy.pSprite.name == GameSprite.Name.DaggerBomb)
{
this.dropID = (new Random().Next(0, 10));
ProjectileTracker.DaggerHandle();
}
else if (this.pProxy.pSprite.name == GameSprite.Name.RollingBomb)
{
this.dropID = (new Random().Next(0, 10));
ProjectileTracker.RollingHandle();
}
else if (this.pProxy.pSprite.name == GameSprite.Name.ZigZagBomb)
{
this.dropID = (new Random().Next(0, 10));
ProjectileTracker.ZigZagHandle();
}
}
}
// Visitor logic
// TODO: can be simplified using strategy
public override void Accept(Visitor v)
{
if (this.category == Category.Wall)
{
if (this.mGameSprtName == GameSprite.Name.LeftWall)
{
v.VisitLeftWall();
}
else if (this.mGameSprtName == GameSprite.Name.RightWall)
{
v.VisitRightWall();
}
else
{
v.VisitWall();
}
}
else if (this.category == Category.Alien)
{
v.VisitAlien();
}
else if (this.category == Category.Shield)
{
v.VisitShield();
}
else if (this.category == Category.Missile)
{
if (ProjectileTracker.MissileFlying)
{
v.VisitMissile();
// Reset location
this.pProxy.x = 0f;
this.pProxy.y = -10f;
this.pProxy.Update();
// Flip Missile Handle
ProjectileTracker.MissileHandle();
}
}
else if (this.category == Category.Ship)
{
v.VisitShip();
}
// If hit by missile, start self-destruction process
if (((GameObject)v).category == Category.Missile || (((GameObject)v).category == Category.Bomb && this.category != Category.Missile))
{
// Play explosion animation
Debug.Print(this.category + " hit by" + ((GameObject)v).category);
// If ship, trigger next round
if (this.category == Category.Ship)
{
SoundUtility.getInstance().playExplosion();
SpaceInvaders.currentState.Handle();
return;
}
// If Alien, incremente score
if (this.mGameSprtName == GameSprite.Name.Octopus)
{
GlobalPlayerStats.incrementScore(10);
}
else if (this.mGameSprtName == GameSprite.Name.Crab)
{
GlobalPlayerStats.incrementScore(20);
}
else if (this.mGameSprtName == GameSprite.Name.Squid)
{
GlobalPlayerStats.incrementScore(20);
}
// set itself as not collidable, if it's not wall
if (this.category != Category.Wall)
{
if (this.category == Category.Alien)
{
SoundUtility.getInstance().killed();
this.mGameSprite.ShowExplosion();
}
else if (this.category == Category.UFO)
{
SoundUtility.getInstance().killed();
((UFOProxy)this.pProxy).reset();
GlobalPlayerStats.incrementScore(300);
return;
}
else
{
SoundUtility.getInstance().playExplosion();
}
this.collidable = false;
// Remove itself from active
GameObjectManager.getInstance().Remove(this);
}
}
}
