public static void UpdateVisibilityMap(GameMap map, VisibilityMap visibility, Vector2Int pos, int distance)
{
var p0 = new Vector2Int(pos.x - distance, pos.y - distance);
var p1 = new Vector2Int(pos.x + distance, pos.y + distance);
for (int x = p0.x; x <= p1.x; x++)
{
for (int y = p0.y; y <= p1.y; y++)
{
//for every tile on the perimeter
if ((x == p0.x || x == p1.x) || (y == p0.y || y == p1.y))
{
Line(pos.x, pos.y, x, y, (pX, pY) =>
{
if (pX < 0 || pX >= map.Width || pY < 0 || pY > map.Height)
{
return(false);
}
visibility.Set(pX, pY, VisibilityMap.VisibilityState.Visible);
var tile = map.GetTile(pX, pY);
return(!tile.BlockSight);
});
}
}
}
}
public void CreateMap(GameMapData data)
{
size = new Vector2Int(data.Width, data.Height);
tilemap.Resize(size.x, size.y);
tiles = new Tile[size.x, size.y];
visibilityMap = new VisibilityMap(size.x, size.y);
DestroyEntites();
entityMap = new EntityMap(size.x, size.y);
fovMaterial.SetVector("_FogSize", new Vector4(Width * TileSize, Height * TileSize, 0, 0));
fovMaterial.SetTexture("_FogMapA", visibilityMap.texturePrev);
fovMaterial.SetTexture("_FogMapB", visibilityMap.textureCur);
//create tiles
for (int x = 0; x < size.x; x++)
{
for (int y = 0; y < size.y; y++)
{
var brush = data.Get(x, y) == 0 ? floorBrush : wallBrush;
tilemap.SetTile(x, y, brush);
}
}
for (int x = 0; x < size.x; x++)
{
for (int y = 0; y < size.y; y++)
{
tiles[x, y] = tilemap.GetTileInstance(x, y).GetComponent <Tile>();
}
}
pathfindingNodes = new TileGridNodes(this);
RecalulatePathfinding();
}