//constructor
public AI_Object(BaseKeys keys, Vector2 position,
Color color, float rotation,
Vector2 scale, SpriteEffects effects, float layerDepth, Hero hero, GameObject enemy, Boolean isRandomAi)
: base(position,
color, rotation,
scale, effects, layerDepth, hero)
{
this.keys = keys;
Game1.event_update += update;
velocity = new Vector2(0, 0);
isJumping = false;
isHitting = false;
isDucking = false;
isGameOver = false;
HitCount = 0;
positionBeforeJump = Vector2.Zero;
isMovementAllowedRight = true;
isMovementAllowedLeft = true;
isInputAllowed = false;
animationRandomizer = new Random();
aiRandom = new Random();
movementChangeRate = ((float)randomMovementDirection.Next(2, 10)) / 10;
this.isRandomAi = isRandomAi;
this.enemy = enemy;
}
void JumpingRandom(GameTime gameTime)
{
if (!jumpingGotRandom) // randomize a jumping random
{
jumpRandom = jumpRandomizer.Next(0, 101);
jumpingGotRandom = true;
}
if (jumpRandom < 15) // 15 percent chance to jump
{
jump = true;
}
if (jump) // if jumping, wait until the timer expires then request a new random
{
jumpingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (jumpingTimer > jumpRate)
{
jump = false;
this.keys = new BotKeys(false, false, false, false, false);
jumpingTimer = 0;
jumpingGotRandom = false;
}
}
else // wait until the timer expires and then request a new timer if the ai randomized not to jum
{
jumpingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (jumpingTimer > jumpRate)
{
jumpingTimer = 0;
jumpingGotRandom = false;
}
}
}
/// <summary>
/// making the ai hit
/// </summary>
void Hit()
{
this.keys = new BotKeys(false, false, false, true, false);
attackingTimer += (float)Global.gameTime.ElapsedGameTime.TotalSeconds;
if (attackingTimer > attackingRate)
{
this.keys = new BotKeys(false, false, false, false, false);
attackingTimer = 0;
}
}
/// <summary>
/// making the ai jump
/// </summary>
void Jump()
{
jump = true;
RandomMovement(Global.gameTime);
if (jump) // if jumping, wait until the timer expires then request a new random
{
jumpingTimer += (float)Global.gameTime.ElapsedGameTime.TotalSeconds;
if (jumpingTimer > jumpRate)
{
jump = false;
this.keys = new BotKeys(false, false, false, false, false);
jumpingTimer = 0;
}
}
}
/// <summary>
/// if the enemy is likely to hit, the ai has a 50 percent chance to either hit back or duck the hit.
/// </summary>
void DuckOrHit()
{
if (!duckOrAttackGotRandom && duckOrAttackRandom.Next(0, 101) < 50)
{
Hit();
}
else
{
this.keys = new BotKeys(false, false, false, false, true);
duckOrAttackGotRandom = true;
if (duckingTimer > duckingRate)
{
this.keys = new BotKeys(false, false, false, false, false);
duckingTimer = 0;
duckOrAttackGotRandom = false;
}
}
}
//GameObject constructor
public OnlineChar(Vector2 position,
Color color, float rotation,
Vector2 scale, SpriteEffects effects, float layerDepth, Hero hero)
: base(position,
color, rotation,
scale, effects, layerDepth, hero)
{
this.keys = new BotKeys(false, false, false, false, false);
velocity = new Vector2(0, 0);
isJumping = false;
isHitting = false;
isDucking = false;
isGameOver = false;
HitCount = 0;
positionBeforeJump = Vector2.Zero;
isMovementAllowedRight = true;
isMovementAllowedLeft = true;
isInputAllowed = true;
animationRandomizer = new Random();
}
//GameObject constructor
public GameObject(BaseKeys keys, Vector2 position,
Color color, float rotation,
Vector2 scale, SpriteEffects effects, float layerDepth, Hero hero, Boolean isAI)
: base(position,
color, rotation,
scale, effects, layerDepth, hero)
{
this.keys = keys;
Game1.event_update += update;
velocity = new Vector2(0, 0);
isJumping = false;
isHitting = false;
isDucking = false;
isGameOver = false;
HitCount = 0;
positionBeforeJump = Vector2.Zero;
isMovementAllowedRight = true;
isMovementAllowedLeft = true;
isInputAllowed = false;
animationRandomizer = new Random();
}
void DuckingRandom(GameTime gameTime)
{
if (enemy.isHitting && closeCombat) // if the enemy is hitting in close combat
{
if (!duckingGotRandom) // generate a random for the ducking
{
duckingRandom = aiRandom.Next(0, 101);
duckingGotRandom = true;
}
if (duckingRandom < 75) // 75 percent chance to duck
{
ducking = true;
this.keys = new BotKeys(false, false, false, false, true);
}
}
if (ducking) // if the randomizer chose ducking, duck until the ducking timer expires, then request a new random
{
duckingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (duckingTimer > duckingRate)
{
ducking = false;
this.keys = new BotKeys(false, false, false, false, false);
duckingTimer = 0;
duckingGotRandom = false;
}
}
else // if not ducking, do not duck until the ducking timer expires and then request a new random
{
duckingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (duckingTimer > duckingRate)
{
duckingTimer = 0;
duckingGotRandom = false;
}
}
}
void AttackRandom(GameTime gameTime)
{
if (!attackGotRandom) // generate a random for the attack
{
attackRandom = attackRandomizer.Next(0, 101);
attackGotRandom = true;
}
if (attackRandom < 60) // 60 percent chance to attack
{
attacking = true;
this.keys = new BotKeys(false, false, false, true, false);
}
else
{
RandomMovement(Global.gameTime); //if attacking was not the result of the random, move the character
}
if (attacking) // if the randomizer chose attacking, attack until the attacking timer expires, then request a new random
{
attackingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (attackingTimer > attackingRate)
{
attacking = false;
this.keys = new BotKeys(false, false, false, false, false);
attackingTimer = 0;
attackGotRandom = false;
}
}
else // if not attacking, do not attack until the attacking timer expires and then request a new random
{
attackingTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (attackingTimer > attackingRate)
{
attackingTimer = 0;
attackGotRandom = false;
}
}
}
void RandomMovement(GameTime gameTime)
{
if (!movementGotRandom) // randomize a movement direction
{
movementRandom = randomMovementDirection.Next(0, 101);
movementGotRandom = true;
}
if (this.Position.X > this.enemy.Position.X)
{
if (movementRandom < 90) // 90% chance to move in the direction of the enemy, 10% chance to move backwards
{
if (jump)
{
this.keys = new BotKeys(true, false, true, false, false); //if the character is jumping, jump while moving
}
else
{
this.keys = new BotKeys(true, false, false, false, false);
}
}
else
{
if (jump)
{
this.keys = new BotKeys(false, true, true, false, false); //if the character is jumping, jump while moving
}
else
{
this.keys = new BotKeys(false, true, false, false, false);
}
}
}
else
{
if (movementRandom < 90) // 90% chance to move in the direction of the enemy, 10% chance to move backwards
{
if (jump)
{
this.keys = new BotKeys(false, true, true, false, false); //if the character is jumping, jump while moving
}
else
{
this.keys = new BotKeys(false, true, false, false, false);
}
}
else
{
if (jump)
{
this.keys = new BotKeys(true, false, true, false, false); //if the character is jumping, jump while moving
}
else
{
this.keys = new BotKeys(true, false, false, false, false);
}
}
}
movementChangeTimer += (float)gameTime.ElapsedGameTime.TotalSeconds; // increase the movement timer
if (movementChangeTimer > movementChangeRate) // if the movement timer reached its rate
{
movementChangeRate = ((float)randomMovementDirection.Next(2, 10)) / 10; //radnomize another rate between 0.2 seconds and a second
movementChangeTimer = 0; // reset the timer
movementGotRandom = false; //request a new random
//here we make the ai randomize a new direction every time the random rate ends
}
}
