/// <summary>
/// Draw components for shadow mapping
/// </summary>
/// <param name="context">Context</param>
/// <param name="index">Culling index</param>
/// <param name="components">Components to draw</param>
protected void DrawShadowComponents(DrawContextShadows context, int index, IEnumerable <SceneObject> components)
{
var graphics = this.Game.Graphics;
var objects = components.Where(c => IsVisible(c, index)).ToList();
if (objects.Any())
{
objects.Sort((c1, c2) => Sort(c1, c2, index));
objects.ForEach((c) => DrawShadows(graphics, context, c));
}
}
/// <summary>
/// Draws the specified object shadows
/// </summary>
/// <param name="graphics">Graphics</param>
/// <param name="context">Context</param>
/// <param name="c">Scene object</param>
private void DrawShadows(Graphics graphics, DrawContextShadows context, SceneObject c)
{
graphics.SetRasterizerShadowMapping();
graphics.SetDepthStencilShadowMapping();
if (c.AlphaEnabled)
{
graphics.SetBlendTransparent();
}
else
{
graphics.SetBlendDefault();
}
c.Get <IDrawable>().DrawShadows(context);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="game">Game</param>
protected BaseSceneRenderer(Game game)
{
this.Game = game;
// Directional shadow mapper
this.ShadowMapperDirectional = new ShadowMapCascade(game,
DirectionalShadowMapSize,
MaxDirectionalCascadeShadowMaps, MaxDirectionalShadowMaps,
CascadeShadowMapsDistances)
{
HighResolutionMap = true
};
// Point shadow mapper
this.ShadowMapperPoint = new ShadowMapPoint(game,
CubicShadowMapSize, CubicShadowMapSize,
MaxCubicShadows)
{
HighResolutionMap = true
};
// Spot shadow mapper
this.ShadowMapperSpot = new ShadowMapSpot(game,
SpotShadowMapSize, SpotShadowMapSize,
MaxSpotShadows)
{
HighResolutionMap = true
};
this.cullManager = new SceneCullManager();
this.UpdateContext = new UpdateContext()
{
Name = "Primary",
};
this.DrawContext = new DrawContext()
{
Name = "Primary",
DrawerMode = DrawerModes.Forward,
};
this.DrawShadowsContext = new DrawContextShadows()
{
Name = "Shadow mapping",
};
}