public override void Initialize()
{
base.Initialize();
dinosaurState = DinosaurState.WALK;
previousDinosaurState = dinosaurState;
facingDirection = startFacingDirection;
if (facingDirection == Direction.RIGHT)
{
currentAnimationName = "WALK_RIGHT";
}
else if (facingDirection == Direction.LEFT)
{
currentAnimationName = "WALK_LEFT";
}
airGroundState = AirGroundState.GROUND;
// every 2 seconds, the fireball will be shot out
shootTimer.SetWaitTime(2000);
}
public override void Update(Player player)
{
float startBound = startLocation.X;
float endBound = endLocation.X;
// if shoot timer is up and dinosaur is not currently shooting, set its state to SHOOT
if (shootTimer.IsTimeUp() && dinosaurState != DinosaurState.SHOOT)
{
dinosaurState = DinosaurState.SHOOT;
}
base.Update(player);
// if dinosaur is walking, determine which direction to walk in based on facing direction
if (dinosaurState == DinosaurState.WALK)
{
if (facingDirection == Direction.RIGHT)
{
currentAnimationName = "WALK_RIGHT";
MoveXHandleCollision(movementSpeed);
}
else
{
currentAnimationName = "WALK_LEFT";
MoveXHandleCollision(-movementSpeed);
}
// if dinosaur reaches the start or end location, it turns around
// dinosaur may end up going a bit past the start or end location depending on movement speed
// this calculates the difference and pushes the enemy back a bit so it ends up right on the start or end location
if (GetX1() + GetScaledWidth() >= endBound)
{
float difference = endBound - (GetScaledX2());
MoveXHandleCollision(-difference);
facingDirection = Direction.LEFT;
}
else if (GetX1() <= startBound)
{
float difference = startBound - GetX1();
MoveXHandleCollision(difference);
facingDirection = Direction.RIGHT;
}
// if dinosaur is shooting, it first turns read for 1 second
// then the fireball is actually shot out
}
else if (dinosaurState == DinosaurState.SHOOT)
{
if (previousDinosaurState == DinosaurState.WALK)
{
shootTimer.SetWaitTime(1000);
currentAnimationName = facingDirection == Direction.RIGHT ? "SHOOT_RIGHT" : "SHOOT_LEFT";
}
else if (shootTimer.IsTimeUp())
{
// define where fireball will spawn on map (x location) relative to dinosaur enemy's location
// and define its movement speed
int fireballX;
float movementSpeed;
if (facingDirection == Direction.RIGHT)
{
fireballX = GetX().Round() + GetScaledWidth();
movementSpeed = 1.5f;
}
else
{
fireballX = GetX().Round();
movementSpeed = -1.5f;
}
// define where fireball will spawn on the map (y location) relative to dinosaur enemy's location
int fireballY = GetY().Round() + 4;
// create Fireball enemy
Fireball fireball = new Fireball(new Point(fireballX, fireballY), movementSpeed, 1000);
// add fireball enemy to the map for it to offically spawn in the level
map.AddEnemy(fireball);
// change dinosaur back to its WALK state after shooting, reset shootTimer to wait another 2 seconds before shooting again
dinosaurState = DinosaurState.WALK;
shootTimer.SetWaitTime(2000);
}
}
previousDinosaurState = dinosaurState;
}
