public static NodeMap CreateFromTileMap(TileMap tileMap, SpritePolygon collisionPolygon)
{
NodeMap nodeMap = new NodeMap(tileMap.MapWidthTiles, tileMap.MapHeightTiles, tileMap.TileHeight, tileMap.TileWidth);
nodeMap.generationPolygon = (SpritePolygon)collisionPolygon.Clone();
for (int i = 0; i < nodeMap.XSize; i++)
{
for (int j = 0; j < nodeMap.YSize; j++)
{
Vector2 position = new Vector2
{
X = nodeMap.Nodes[i, j].X,
Y = nodeMap.Nodes[i, j].Y
};
collisionPolygon.MoveTo(position);
Collision collision = tileMap.CheckCollisionWithTerrain(collisionPolygon);
if (collision == Collision.Solid || collision == Collision.Water)
{
nodeMap.Nodes[i, j].IsFree = false;
nodeMap.Nodes[i, j].IsTerrain = true;
}
}
}
return(nodeMap);
}
private void RegenerateRectangle(Point max, Point min, List <Polygon> polygons)
{
for (int i = min.X; i < max.X; i++)
{
for (int j = min.Y; j < max.Y; j++)
{
Vector2 position = new Vector2
{
X = Nodes[i, j].X,
Y = Nodes[i, j].Y
};
generationPolygon.MoveTo(position);
var collision = false;
foreach (var polygon in polygons)
{
if (generationPolygon.Intersects(polygon))
{
collision = true;
}
}
if (collision)
{
Nodes[i, j].IsFree = false;
if (!Nodes[i, j].IsTerrain)
{
temporalTerrain.Add(Nodes[i, j]);
}
}
}
}
}