void Awake()
{
XMax = 50;
YMax = 50;
HeightMax = 8;
Selected = Tiles.Single(t => t.X == 0 && t.Y == 0);
}
public void SetTile(int type)
{
Controls c = GameObject.FindObjectOfType<Controls>();
Tile[] buildableTiles = new Tile[] { Tile.Nothing, Tile.Street, Tile.Blockade, Tile.Checkpoint };
int x = (int)Math.Round(c.Cursor.x);
int y = (int)Math.Round(c.Cursor.y);
if (tiles[x, y] != (Tile)type && buildableTiles.Contains(tiles[x, y]))
{
//if(ressources[tiles[x][y]] > 0 { ressources--;
tiles[x, y] = (Tile)type;
UpdatePaths(Distance);
UpdatePaths(InfectedDistance, true);
}
}
public static List<Point> Pathfind(Tile[,] tileArray, int x, int y, int x2, int y2)
{
int Width = tileArray.GetLength(1);
int Height = tileArray.GetLength(0);
int[,] cost = new int[Width, Height];
cost[x, y] = 1; //floor type
List<Point> active = new List<Point>();
active.Add(new Point(x, y));
// pathfind
while (true)
{
// get lowest cost point in active list
Point point = active[0];
for (int i = 1; i < active.Count; i++)
{
Point p = active[i];
if (cost[p.x, p.y] < cost[point.x, point.y])
point = p;
}
// if end point
if (point.x == x2 && point.y == y2)
break;
// move in directions
int currentCost = cost[point.x, point.y];
if (point.x - 1 >= 0 && cost[point.x - 1, point.y] == 0)
{
active.Add(new Point(point.x - 1, point.y));
cost[point.x - 1, point.y] = currentCost + getCost(tileArray[point.x - 1, point.y]);
}
if (point.x + 1 < Width && cost[point.x + 1, point.y] == 0)
{
active.Add(new Point(point.x + 1, point.y));
cost[point.x + 1, point.y] = currentCost + getCost(tileArray[point.x + 1, point.y]);
}
if (point.y - 1 >= 0 && cost[point.x, point.y - 1] == 0)
{
active.Add(new Point(point.x, point.y - 1));
cost[point.x, point.y - 1] = currentCost + getCost(tileArray[point.x, point.y - 1]);
}
if (point.y + 1 < Height && cost[point.x, point.y + 1] == 0)
{
active.Add(new Point(point.x, point.y + 1));
cost[point.x, point.y + 1] = currentCost + getCost(tileArray[point.x, point.y + 1]);
}
active.Remove(point);
}
// work backwards and find path
List<Point> points = new List<Point>();
Point current = new Point(x2, y2);
points.Add(current);
while (current.x != x || current.y != y)
{
int highest = cost[current.x, current.y];
int left = highest, right = highest, up = highest, down = highest;
// get cost of each direction
if (current.x - 1 >= 0 && cost[current.x - 1, current.y] != 0)
{
left = cost[current.x - 1, current.y];
}
if (current.x + 1 < Width && cost[current.x + 1, current.y] != 0)
{
right = cost[current.x + 1, current.y];
}
if (current.y - 1 >= 0 && cost[current.x, current.y - 1] != 0)
{
up = cost[current.x, current.y - 1];
}
if (current.y + 1 < Height && cost[current.x, current.y + 1] != 0)
{
down = cost[current.x, current.y + 1];
}
// move in the lowest direction
if (left <= GetMin(up, down, right))
{
points.Add(current = new Point(current.x - 1, current.y));
}
else if (right <= GetMin(left, down, up))
{
points.Add(current = new Point(current.x + 1, current.y));
}
else if (up <= GetMin(left, right, down))
{
points.Add(current = new Point(current.x, current.y - 1));
}
else
{
points.Add(current = new Point(current.x, current.y + 1));
}
}
points.Reverse();
return points;
}
private static int getCost(Tile t)
{
if (!t.empty)
{
return 99;
}
else
{
return 1;
}
}
public void SetTile(int x, int y)
{
var tile = Tiles.SingleOrDefault(t => t.X == x && t.Y == y);
if (tile != null) Selected = tile;
}
public void PlusY()
{
Selected = Tiles.Single(t => t.Y == Selected.Y + 1);
}
public void PlusX()
{
Selected = Tiles.Single(t => t.X == Selected.X + 1);
}
//Calculate the 2D array of tiles, given the tile prefab
private void loadTileArray(GameObject tileMapGameObject)
{
string strTileArray = "";
Bounds mapBounds = tileMapGameObject.GetComponentInChildren<Renderer>().bounds;
int tileWidth = (int)Math.Ceiling(mapBounds.size.x / Tile.TILE_SIZE);
int tileHeight = (int)Math.Ceiling(mapBounds.size.y / Tile.TILE_SIZE);
tileArray = new Tile[tileWidth, tileHeight];
for (int y = 0; y < tileHeight; y++)
{
for (int x = 0; x < tileWidth; x++)
{
Vector3 center = new Vector3(x * Tile.TILE_SIZE + (Tile.TILE_SIZE / 2), -y * Tile.TILE_SIZE + (Tile.TILE_SIZE / 2), 0);
Vector3 size = new Vector3(Tile.TILE_SIZE, Tile.TILE_SIZE);
Bounds tileBounds = new Bounds(center, size);
bool empty = !checkCollision(tileBounds);
tileArray[x, y] = new Tile(x, y, empty);
strTileArray += empty ? "." : "#";
}
strTileArray += System.Environment.NewLine;
}
int i = 1;
}
