protected override void Update()
{
base.Update();
if (Spawned)
{
switch (ActionState)
{
case EnemyActionState.Following:
if (NavEntity.CanMove && NavEntity.ReachedDestination && !IsDead)
{
//follow player
var currentNode =
GameController.Instance.LevelManager.NavGraph.GetNode(
NavEntity.LastIndexes.Item1, NavEntity.LastIndexes.Item2);
var path =
GameController.Instance.LevelManager.NavGraph.ShortestPath(
currentNode, GameController.Instance.GetPlayerCurrentNode(),
new System.Collections.Generic.List <Pacman.NodeType>()
{
Pacman.NodeType.NonWalkable
});
//moves a max of 3 nodes per time
NavEntity.SetPath(path.GetRange(0, Mathf.Min(5, path.Count)));
}
break;
case EnemyActionState.Fleeing:
if (NavEntity.CanMove && NavEntity.ReachedDestination && !IsDead)
{
//avoid player
var currentNode =
GameController.Instance.LevelManager.NavGraph.GetNode(
NavEntity.LastIndexes.Item1, NavEntity.LastIndexes.Item2);
var path =
GameController.Instance.LevelManager.NavGraph.FarthestPath(
currentNode, GameController.Instance.GetPlayerCurrentNode(),
new System.Collections.Generic.List <Pacman.NodeType>()
{
Pacman.NodeType.NonWalkable
});
NavEntity.SetPath(path);
}
break;
}
}
}
private void Flee()
{
if (NavEntity.CanMove && NavEntity.ReachedDestination && !IsDead)
{
//avoid player
var currentNode =
GameController.Instance.LevelManager.NavGraph.GetNode(
NavEntity.LastIndexes.Item1, NavEntity.LastIndexes.Item2);
var path =
GameController.Instance.LevelManager.NavGraph.FarthestPath(
currentNode, GameController.Instance.GetPlayerCurrentNode(),
new System.Collections.Generic.List <Pacman.NodeType>()
{
Pacman.NodeType.NonWalkable
});
//moves a max of 2 nodes per time
NavEntity.SetPath(path);
}
}
// Update is called once per frame
protected override void Update()
{
base.Update();
//player moves on tile per time
if (!Initialized)
{
Debug.Log("Initialize player first");
return;
}
//read player's input
var inputDirection = MovementDirection;
if (Input.GetKey(KeyCode.UpArrow))
{
inputDirection = MovementDirections.Up;
}
else if (Input.GetKey(KeyCode.DownArrow))
{
inputDirection = MovementDirections.Down;
}
else if (Input.GetKey(KeyCode.LeftArrow))
{
inputDirection = MovementDirections.Left;
}
else if (Input.GetKey(KeyCode.RightArrow))
{
inputDirection = MovementDirections.Right;
}
//it means the entity has stopped
if (NavEntity.CanMove && NavEntity.ReachedDestination)
{
GameEvents.Instance.OnPlayerWalkedTile(
new GameEvents.PlayerWalkedTileEventArgs()
{
indexX = NavEntity.LastIndexes.Item1,
indexY = NavEntity.LastIndexes.Item2
});
bool changedDirection = false;
if (inputDirection != MovementDirection)
{
int xIndexShiftNewDirection = 0;
int yIndexShiftNewDirection = 0;
//calc the direction on grid coordinates for new input
switch (inputDirection)
{
case MovementDirections.Up:
xIndexShiftNewDirection = 0;
yIndexShiftNewDirection = 1;
break;
case MovementDirections.Down:
xIndexShiftNewDirection = 0;
yIndexShiftNewDirection = -1;
break;
case MovementDirections.Left:
xIndexShiftNewDirection = -1;
yIndexShiftNewDirection = 0;
break;
case MovementDirections.Right:
xIndexShiftNewDirection = 1;
yIndexShiftNewDirection = 0;
break;
}
//try finding a walkable node in the new direction
Pacman.NavNode nodeInDirection =
GameController.Instance.LevelManager.NavGraph.GetNode(
(int)Math.Round(NavEntity.Position.Item1) + xIndexShiftNewDirection,
(int)Math.Round(NavEntity.Position.Item2) + yIndexShiftNewDirection);
//found a node, change player's path and direction
if (nodeInDirection != null && nodeInDirection.NodeType != Pacman.NodeType.NonWalkable)
{
changedDirection = true;
MovementDirection = inputDirection;
NavEntity.SetPath(
new System.Collections.Generic.List <Pacman.NavNode>()
{
nodeInDirection
});
}
}
//try to move in same direction
if (!changedDirection)
{
int xIndexShiftOldDirection = 0;
int yIndexShiftOldDirection = 0;
//calc the direction on grid coordinates for new input
switch (MovementDirection)
{
case MovementDirections.Up:
xIndexShiftOldDirection = 0;
yIndexShiftOldDirection = 1;
break;
case MovementDirections.Down:
xIndexShiftOldDirection = 0;
yIndexShiftOldDirection = -1;
break;
case MovementDirections.Left:
xIndexShiftOldDirection = -1;
yIndexShiftOldDirection = 0;
break;
case MovementDirections.Right:
xIndexShiftOldDirection = 1;
yIndexShiftOldDirection = 0;
break;
}
//try finding a walkable node in the old direction
Pacman.NavNode nodeInDirection =
GameController.Instance.LevelManager.NavGraph.GetNode(
(int)Math.Round(NavEntity.Position.Item1) + xIndexShiftOldDirection,
(int)Math.Round(NavEntity.Position.Item2) + yIndexShiftOldDirection);
//found a node, change player's target
if (nodeInDirection != null && nodeInDirection.NodeType != Pacman.NodeType.NonWalkable)
{
NavEntity.SetPath(
new System.Collections.Generic.List <Pacman.NavNode>()
{
nodeInDirection
});
}
}
}
if (MovementDirection == MovementDirections.Left)
{
transform.localScale = new Vector3(-1, 1, 1);
}
else if (MovementDirection == MovementDirections.Right)
{
transform.localScale = new Vector3(1, 1, 1);
}
}
protected override void Update()
{
base.Update();
if (Spawned)
{
switch (ActionState)
{
case EnemyActionState.Following:
//test condictions for firing the magi ball
if (CanDamage)
{
if (_magicTimer > GameController.Instance.NECRO_MAGIC_COOLDOWN)
{
_magicTimer = 0;
//fires the magic
var directions = System.Enum.GetValues(typeof(MovementDirections));
foreach (MovementDirections direction in directions)
{
if (direction != MovementDirections.None)
{
var fireball = Instantiate(_magicPrefab).GetComponent <Fireball>();
fireball.Initialize(transform.position, direction, GameController.Instance.NECRO_MAGIC_SPEED);
}
}
}
else
{
_magicTimer += Time.deltaTime;
}
}
if (NavEntity.CanMove && NavEntity.ReachedDestination && !IsDead)
{
//follow player
var currentNode =
GameController.Instance.LevelManager.NavGraph.GetNode(
NavEntity.LastIndexes.Item1, NavEntity.LastIndexes.Item2);
var path =
GameController.Instance.LevelManager.NavGraph.ShortestPath(
currentNode, GameController.Instance.GetPlayerCurrentNode(),
new System.Collections.Generic.List <Pacman.NodeType>()
{
Pacman.NodeType.NonWalkable
});
//moves a max of 3 nodes per time
NavEntity.SetPath(path.GetRange(0, Mathf.Min(3, path.Count)));
}
break;
case EnemyActionState.Fleeing:
if (NavEntity.CanMove && NavEntity.ReachedDestination && !IsDead)
{
//avoid player
var currentNode =
GameController.Instance.LevelManager.NavGraph.GetNode(
NavEntity.LastIndexes.Item1, NavEntity.LastIndexes.Item2);
var path =
GameController.Instance.LevelManager.NavGraph.FarthestPath(
currentNode, GameController.Instance.GetPlayerCurrentNode(),
new System.Collections.Generic.List <Pacman.NodeType>()
{
Pacman.NodeType.NonWalkable
});
NavEntity.SetPath(path);
}
break;
}
}
}
public void WalkOutsideSpawnZone(List <Pacman.NavNode> path)
{
NavEntity.SetPath(path);
NavEntity.EnableMoving();
StartCoroutine(WaitWalkingOutsideSpawnZone());
}
