protected override void Draw(SpriteBatch spriteBatch)
{
if (!Context.IsPlayerFree)
{
return;
}
// get on-screen tiles
IEnumerable <Vector2> visibleTiles = TileHelper.GetTiles(
x: Game1.viewport.X / Game1.tileSize,
y: Game1.viewport.Y / Game1.tileSize,
width: (int)(Game1.viewport.Width / (decimal)Game1.tileSize) + 2, // extend off-screen slightly to avoid overlay edges being visible
height: (int)(Game1.viewport.Height / (decimal)Game1.tileSize) + 2
);
// draw each tile
foreach (Vector2 tile in visibleTiles)
{
// get tile's screen coordinates
float screenX = tile.X * Game1.tileSize - Game1.viewport.X;
float screenY = tile.Y * Game1.tileSize - Game1.viewport.Y;
int tileSize = Game1.tileSize;
// get machine group
this.GroupTiles.TryGetValue(tile, out MachineGroup group);
bool isGrouped = group != null;
bool isActive = isGrouped && group.HasInternalAutomation;
// draw background
{
Color color = Color.Black * 0.5f;
if (isActive)
{
color = Color.Green * 0.2f;
}
else if (isGrouped)
{
color = Color.Red * 0.2f;
}
spriteBatch.DrawLine(screenX + this.TileGap, screenY + this.TileGap, new Vector2(tileSize - this.TileGap * 2, tileSize - this.TileGap * 2), color);
}
// draw group edge borders
if (group != null)
{
this.DrawEdgeBorders(spriteBatch, group, tile, group.HasInternalAutomation ? Color.Green : Color.Red);
}
}
// draw cursor
this.DrawCursor();
}
/// <summary>Get the tile coordinates in the tile area.</summary>
/// <param name="area">The tile area to search.</param>
public static IEnumerable <Vector2> GetTiles(this Rectangle area)
{
return(TileHelper.GetTiles(area.X, area.Y, area.Width, area.Height));
}
/*********
** Public methods
*********/
/// <summary>Get the tile coordinates in the game location.</summary>
/// <param name="location">The game location to search.</param>
public static IEnumerable <Vector2> GetTiles(this GameLocation location)
{
Layer layer = location.Map.Layers[0];
return(TileHelper.GetTiles(0, 0, layer.LayerWidth, layer.LayerHeight));
}