public override void Update(Microsoft.Xna.Framework.GameTime gameTime, BoundingFrustum cameraFrustum, SwimmingObject[] enemies, int enemiesSize,
SwimmingObject[] fish, int fishSize, int changeDirection, HydroBot tank, List<DamageBullet> enemyBullet)
{
EffectHelpers.GetEffectConfiguration(ref fogColor, ref ambientColor, ref diffuseColor, ref specularColor);
if (lastPower != HydroBot.turtlePower)
{
float lastMaxHealth = maxHealth;
maxHealth = GameConstants.TurtleStartingHealth * HydroBot.turtlePower;
health += (maxHealth - lastMaxHealth);
speedFactor = 1.5f + (HydroBot.turtlePower - 1) / 4;
lastPower = HydroBot.turtlePower;
}
BaseEnemy potentialEnemy = lookForEnemy(enemies, enemiesSize);
if (!isReturnBot && !isCasting && potentialEnemy != null)
{
// It is OK to cast?
if (PoseidonGame.playTime.TotalSeconds - lastCast.TotalSeconds > coolDown.TotalSeconds)// && HydroBot.currentHitPoint < HydroBot.maxHitPoint)
{
isCasting = true;
isReturnBot = false;
isWandering = false;
isChasing = false;
isFighting = false;
// For this case, I choose to set the forward direction statically rather than
// facing different enemy since potentialEnemy may die, run away, etc
Vector3 facingDirection = potentialEnemy.Position - Position;
ForwardDirection = (float)Math.Atan2(facingDirection.X, facingDirection.Z);
firstCast = true;
startCasting = PoseidonGame.playTime;
PoseidonGame.audio.frozenBreathe.Play();
}
}
if (isCasting == true)
{
// Casting timeout
if (PoseidonGame.playTime.TotalSeconds - startCasting.TotalSeconds > standingTime.TotalSeconds)
{
isCasting = false; // Done casting
isWandering = true; // Let the wander state do the wandering task, (and also lock enemy is potential enemy != null)
lastCast = PoseidonGame.playTime;
} // Effect during cast
else {
FrozenBreathe(enemies, enemiesSize, firstCast);
firstCast = false;
}
RestoreNormalAnimation();
}
Vector3 destination = tank.Position + new Vector3(AfterX, 0, AfterZ);
if (isWandering == true)
{
// If the fish is far from the point after the bot's back or is the bot moving
if (Vector3.Distance(tank.Position, Position) > HydroBot.controlRadius || (tank.isMoving() && Vector3.Distance(tank.Position, Position) > 50f))
{
isWandering = false;
isReturnBot = true;
isChasing = false;
isFighting = false;
seekDestination(destination, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
else
{
currentTarget = potentialEnemy;
if (currentTarget == null) // See no enemy
randomWalk(changeDirection, enemies, enemiesSize, fish, fishSize, tank);
else
{ // Hunt him down
isWandering = false;
isReturnBot = false;
isChasing = true;
isFighting = false;
seekDestination(currentTarget.Position, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
}
}// End wandering
// If return is the current state
else if (isReturnBot == true)
{
// If the fish is near the point after the bot's back, wander
if (Vector3.Distance(destination, Position) < HydroBot.controlRadius * 0.5 &&
Vector3.Distance(tank.Position, Position) < HydroBot.controlRadius)
{
float test = Vector3.Distance(destination, Position);
isWandering = true;
isReturnBot = false;
isChasing = false;
isFighting = false;
randomWalk(changeDirection, enemies, enemiesSize, fish, fishSize, tank);
}
else
seekDestination(destination, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
// If the fish is chasing some enemy
else if (isChasing == true)
{
if (Vector3.Distance(tank.Position, Position) > HydroBot.controlRadius * 1.25f)
{ // If too far, return to bot
isWandering = false;
isReturnBot = true;
isChasing = false;
isFighting = false;
currentTarget = null;
seekDestination(destination, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
else if (Vector3.Distance(Position, currentTarget.Position) <
5f + BoundingSphere.Radius + currentTarget.BoundingSphere.Radius) // Too close then attack
{
isWandering = false;
isReturnBot = false;
isChasing = false;
isFighting = true;
attack();
}
else
seekDestination(currentTarget.Position, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
// If fighting some enemy
else if (isFighting == true)
{
// Enemy is down, return to bot
if (currentTarget == null || currentTarget.health <= 0)
{
isWandering = false;
isReturnBot = true;
isChasing = false;
isFighting = false;
currentTarget = null;
seekDestination(destination, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
else
{
// If the enemy ran away and the fish is not too far from bot
if (Vector3.Distance(tank.Position, Position) >= HydroBot.controlRadius)
{
isWandering = false;
isReturnBot = true;
isChasing = false;
isFighting = false;
currentTarget = null;
seekDestination(destination, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
} // Or enemy ran away
else if (Vector3.Distance(Position, currentTarget.Position) >=
10f + BoundingSphere.Radius + currentTarget.BoundingSphere.Radius)
{
isWandering = false;
isReturnBot = false;
isChasing = true;
isFighting = false;
seekDestination(currentTarget.Position, enemies, enemiesSize, fish, fishSize, tank, speedFactor);
}
else
attack();
}
}
// if clip player has been initialized, update it
if (clipPlayer != null || BoundingSphere.Intersects(cameraFrustum))
{
qRotation = Quaternion.CreateFromAxisAngle(
Vector3.Up,
ForwardDirection);
float scale = 0.7f;
if (isBigBoss) scale *= 2.0f;
fishMatrix = Matrix.CreateScale(scale) * Matrix.CreateRotationY((float)MathHelper.Pi * 2) *
Matrix.CreateFromQuaternion(qRotation) *
Matrix.CreateTranslation(Position);
clipPlayer.update(gameTime.ElapsedGameTime, true, fishMatrix);
}
}
