public void Animate(GridPosition_script position, GridPosition_script destination)
{
if (this._animator != null)
{
// DOWN
if (position.Row < destination.Row)
{
this._animator.SetInteger("Horizontal", 0);
this._animator.SetInteger("Vertical", 1);
// UP
}
else if (position.Row > destination.Row)
{
this._animator.SetInteger("Horizontal", 0);
this._animator.SetInteger("Vertical", -1);
// RIGHT
}
else if (position.Column < destination.Column)
{
this._animator.SetInteger("Horizontal", 1);
this._animator.SetInteger("Vertical", 0);
// LEFT
}
else if (position.Column > destination.Column)
{
this._animator.SetInteger("Horizontal", -1);
this._animator.SetInteger("Vertical", 0);
}
}
}
private void LoadTiles()
{
Tile_script lastTile;
Vector2 lastTilePosition;
int[][] mapData = this.LoadFromFile("Levels/level_001_resource");
Vector3 offset = Camera.main.ScreenToWorldPoint(new Vector3(0, Screen.height, 0));
this._mapSize = new GridPosition_script(mapData.Length, mapData[0].Length);
for (int row = 0; row < this._mapSize.Row; row++)
{
for (int column = 0; column < this._mapSize.Column; column++)
{
this.PlaceTile(mapData[row][column], row, column, offset);
}
}
lastTile = this.Tiles[new GridPosition_script((this._mapSize.Row - 1), (this._mapSize.Column - 1))];
lastTilePosition = lastTile.transform.position;
this._cameraObject.SetLimit(new Vector3(lastTilePosition.x + this.TileSize.x, lastTilePosition.y - this.TileSize.y, 0));
this.SpawnPortals();
}
private void Release()
{
this._health = 100;
this.IsActive = false;
this.Position = TileMap_script.Instance.PortalStartSpawnPos;
Game_script.Instance.ObjectPool.Release(this.gameObject);
Game_script.Instance.RemoveMonster(this);
}
public void Initialize(GridPosition_script position, Vector3 worldPosition, Transform parent, int type)
{
this.IsAvailable = (type == 0);
this.IsWalkable = (type > 0);
this.Position = position;
this.transform.position = worldPosition;
this.transform.SetParent(parent);
TileMap_script.Instance.Tiles.Add(new GridPosition_script(this.Position.Row, this.Position.Column), this);
}
private void SetPath(Stack <Node_script> path)
{
if (path != null)
{
this._path = path;
this.Animate(this.Position, this._path.Peek().Position);
this.Position = this._path.Peek().Position;
this._destination = this._path.Pop().WorldPosition;
}
}
private void Move()
{
if (this.IsActive)
{
this.transform.position = Vector3.MoveTowards(this.transform.position, this._destination, (this._speed * Time.deltaTime));
if ((this.transform.position == this._destination) && (this._path != null) && (this._path.Count > 0))
{
this.Animate(this.Position, this._path.Peek().Position);
this.Position = this._path.Peek().Position;
this._destination = this._path.Pop().WorldPosition;
}
}
}
private static bool IsMoveAllowed(Node_script currentNode, Node_script neighbor)
{
GridPosition_script direction = (neighbor.Position - currentNode.Position);
GridPosition_script first = new GridPosition_script(currentNode.Position.Row, (currentNode.Position.Column + direction.Column));
GridPosition_script second = new GridPosition_script((currentNode.Position.Row + direction.Row), currentNode.Position.Column);
if (TileMap_script.Instance.IsWithinBounds(first) && !TileMap_script.Instance.Tiles[first].IsWalkable)
{
return(false);
}
if (TileMap_script.Instance.IsWithinBounds(second) && !TileMap_script.Instance.Tiles[second].IsWalkable)
{
return(false);
}
return(true);
}
private void SpawnPortals()
{
this._portalStartSpawnPos = new GridPosition_script(0, 0);
this._portalEndSpawnPos = new GridPosition_script(6, 16);
GameObject portalStart = Instantiate(
this._portalStartPrefab, this.Tiles[this._portalStartSpawnPos].GetComponent <Tile_script>().WorldPosition, Quaternion.identity
);
this.PortalStart = portalStart.GetComponent <Portal_script>();
this.PortalStart.name = "portal_002_prefab";
GameObject portalEnd = Instantiate(
this._portalEndPrefab, this.Tiles[this._portalEndSpawnPos].GetComponent <Tile_script>().WorldPosition, Quaternion.identity
);
portalStart.transform.SetParent(GameObject.Find("Portals_object").transform);
portalEnd.transform.SetParent(GameObject.Find("Portals_object").transform);
}
public static Stack <Node_script> GetPath(GridPosition_script startPosition, GridPosition_script goalPosition)
{
if (_nodes == null)
{
CreateNodes();
}
int gCost;
Node_script neighbor;
GridPosition_script neighborPosition;
Node_script currentNode = _nodes[startPosition];
Node_script goalNode = _nodes[goalPosition];
HashSet <Node_script> openList = new HashSet <Node_script>();
HashSet <Node_script> closedList = new HashSet <Node_script>();
Stack <Node_script> path = new Stack <Node_script>();
openList.Add(currentNode);
while (openList.Count > 0)
{
// GET THE NODE WITH THE LOWEST F COST
currentNode = openList.OrderBy(n => n.F).First();
// GOAL REACHED
if (currentNode == goalNode)
{
// RECONSTRUCT PATH BY BACKTRACING PARENTS
path.Push(currentNode);
while (currentNode.Parent != null)
{
currentNode = currentNode.Parent;
path.Push(currentNode);
}
break;
}
// COSE CURRENT
openList.Remove(currentNode);
closedList.Add(currentNode);
// OPEN NEIGHBORS
for (int row = -1; row <= 1; row++)
{
for (int column = -1; column <= 1; column++)
{
neighborPosition = new GridPosition_script(currentNode.Position.Row - row, currentNode.Position.Column - column);
// SKIP OUT-OF-BOUNDS, UNWALKABLES AND CURRENT NODE
if (TileMap_script.Instance.IsWithinBounds(neighborPosition) &&
(TileMap_script.Instance.Tiles[neighborPosition].IsWalkable) && (neighborPosition != currentNode.Position))
{
neighbor = _nodes[neighborPosition];
// SKIP CLOSED NODE
if (closedList.Contains(neighbor))
{
continue;
}
// HORIZONTAL/VERTICAL
if (Mathf.Abs(column - row) == 1)
{
gCost = 10;
// DIAGONAL
}
else
{
if (!IsMoveAllowed(currentNode, neighbor))
{
continue;
}
gCost = 14;
}
// NEW/UNVISITED
if (!openList.Contains(neighbor))
{
openList.Add(neighbor);
// SKIP IF NOT BETTER
}
else if ((currentNode.G + gCost) >= neighbor.G)
{
continue;
}
// UPDATE COST
neighbor.CalculateCost(currentNode, goalNode, gCost);
}
}
}
}
_nodes.Clear();
_nodes = null;
//// VIZUALIZE OPEN LIST
//GameObject.Find("AstarTest_object").GetComponent<AstarTest_script>().Visualize(openList, Color.yellow);
//GameObject.Find("AstarTest_object").GetComponent<AstarTest_script>().Visualize(closedList, Color.cyan);
//GameObject.Find("AstarTest_object").GetComponent<AstarTest_script>().Visualize(path, Color.blue);
return(path);
}
public bool IsWithinBounds(GridPosition_script position)
{
return((position.Column >= 0) && (position.Row >= 0) && (position.Column < this._mapSize.Column) && (position.Row < this._mapSize.Row));
}
