static string GetComboBoxTextFromLayer(MapRenderLayer layer)
{
switch (layer)
{
case MapRenderLayer.SpriteBackground: return("Background");
case MapRenderLayer.Dynamic: return("Dynamic");
case MapRenderLayer.SpriteForeground: return("Foreground");
default: throw new InvalidEnumArgumentException("layer", (int)layer, typeof(MapRenderLayer));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DrawableMapDrawLayerEventArgs"/> class.
/// </summary>
/// <param name="layer">The layer that the drawing event is related to.</param>
/// <param name="spriteBatch">The <see cref="ISpriteBatch"/> that was used to do the drawing.</param>
/// <param name="camera">The <see cref="ICamera2D"/> that describes the view of the map being drawn.</param>
public DrawableMapDrawLayerEventArgs(MapRenderLayer layer, ISpriteBatch spriteBatch, ICamera2D camera)
{
_layer = layer;
_spriteBatch = spriteBatch;
_camera = camera;
}
/// <summary>
/// Initializes a new instance of the <see cref="DrawableMapDrawLayerEventArgs"/> class.
/// </summary>
/// <param name="layer">The layer that the drawing event is related to.</param>
/// <param name="spriteBatch">The <see cref="ISpriteBatch"/> that was used to do the drawing.</param>
/// <param name="camera">The <see cref="ICamera2D"/> that describes the view of the map being drawn.</param>
public DrawableMapDrawLayerEventArgs(MapRenderLayer layer, ISpriteBatch spriteBatch, ICamera2D camera)
{
_layer = layer;
_spriteBatch = spriteBatch;
_camera = camera;
}
/// <summary>
/// Gets the MapGrh to select at the given position.
/// </summary>
/// <param name="map">The map.</param>
/// <param name="worldPos">The world position.</param>
/// <param name="mustBeOnLayer">If not null, then only return a MapGrh on the specified layer.</param>
/// <returns>The best MapGrh to be selected, or null if none found.</returns>
public static MapGrh GetGrhToSelect(IDrawableMap map, Vector2 worldPos, MapRenderLayer? mustBeOnLayer = null)
{
// Get all MapGrhs as the position
var mapGrhs = map.Spatial.GetMany<MapGrh>(worldPos);
// Filter layer
if (mustBeOnLayer.HasValue)
mapGrhs = mapGrhs.Where(x => x.MapRenderLayer == mustBeOnLayer.Value);
// Prioritize by draw order & distance from origin, then take the first
mapGrhs = mapGrhs
.OrderByDescending(x => (int)x.MapRenderLayer)
.ThenByDescending(x => x.LayerDepth)
.ThenBy(x => worldPos.QuickDistance(x.Position));
return mapGrhs.FirstOrDefault();
}
static string GetComboBoxTextFromLayer(MapRenderLayer layer)
{
switch (layer)
{
case MapRenderLayer.SpriteBackground: return "Background";
case MapRenderLayer.Dynamic: return "Dynamic";
case MapRenderLayer.SpriteForeground: return "Foreground";
default: throw new InvalidEnumArgumentException("layer", (int)layer, typeof(MapRenderLayer));
}
}