public PathFinder(Map map)
{
levelWidth = map.width;
levelHeight = map.height;
InitializeSearchNodes(map);
}
private void InitializeSearchNodes(Map map)
{
searchNodes = new SearchNode[levelWidth, levelHeight];
for (int x = 0; x < levelWidth; ++x)
{
for (int y = 0; y < levelHeight; ++y)
{
SearchNode node = new SearchNode();
node.Position = new Point(x, y);
node.Walkable = map.map[x, y].walkable;
if (node.Walkable)
{
node.Neighbors = new SearchNode[8];
searchNodes[x, y] = node;
}
}
}
for (int x = 0; x < levelWidth; x++)
{
for (int y = 0; y < levelHeight; y++)
{
SearchNode node = searchNodes[x, y];
if (node == null || node.Walkable == false)
{
continue;
}
Point[] neighbors = new Point[]
{
new Point (x, y - 1),
new Point (x, y + 1),
new Point (x - 1, y),
new Point (x + 1, y)
};
for (int i = 0; i < neighbors.Length; i++)
{
Point position = neighbors[i];
if (position.X < 0 || position.X > levelWidth - 1 || position.Y < 0 || position.Y > levelHeight - 1)
continue;
SearchNode neighbor = searchNodes[position.X, position.Y];
if (neighbor == null || neighbor.Walkable == false)
continue;
node.Neighbors[i] = neighbor;
}
}
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(GraphicsDevice);
sharedContent = Content;
grid = new Grid(GraphicsDevice, Color.Black);
greenSquare = Content.Load<Texture2D>(@"GreenSquare");
// TODO: use this.Content to load your game content here
enemy = new Enemy(@"whiteSquare");
enemy.Position = new Vector2(48 * 3.0f, 48 * 3.0f);
enemy.Speed = 550f;
map = new Map(26, 14);
map.squareTexture = Content.Load<Texture2D>(@"GrassTile1");
PathFinder.map = map;
PathFinder.RebuildMap();
enemyManager = new EnemyManager();
tower = new Tower("Turret", Vector2.Zero);
}