// Gets all tiles the enemy can walk on that action
// Only floors (exclude tiles that have colliders or enemies on them)
private Vector3Int[,] GetWalkableTiles()
{
Tilemap floor = LevelManager.CurrentLevel.floor;
Tilemap colliders = LevelManager.CurrentLevel.colliders;
List <Enemy> enemies = LevelManager.CurrentLevel.enemies;
floor.CompressBounds();
BoundsInt bounds = floor.cellBounds;
Vector3Int[,] walkableTiles = new Vector3Int[bounds.size.x, bounds.size.y];
for (int y = bounds.yMax, i = 0; i < bounds.size.y; y--, i++)
{
for (int x = bounds.xMin, j = 0; j < bounds.size.x; x++, j++)
{
Vector3Int currentPosition = new Vector3Int(x, y, 0);
// Collider has tiles offset at y by 1, use this to check with HasTile()
Vector3Int currentPositionShifted = new Vector3Int(currentPosition.x - 1, currentPosition.y - 1, currentPosition.z);
// A z other than 0 will make the tile unwalkable on the A* algorithm
if (colliders.HasTile(currentPositionShifted))
{
currentPosition.z = 1;
}
else if (EnemyAt(currentPosition))
{
currentPosition.z = 2;
}
walkableTiles[j, i] = currentPosition;
}
}
// Debug: Map of walkable tiles
string debugString = "\nClick To Expand\n";
for (int i = 0; i <= walkableTiles.GetUpperBound(1); i++)
{
for (int j = 0; j <= walkableTiles.GetUpperBound(0); j++)
{
// 0 means walkable, anything else means unwalkable
debugString += $"{walkableTiles[j, i].z} ";
}
debugString += "\n";
}
Debug.Log(debugString);
return(walkableTiles);
}