private void InitializeGraphicsScreen()
{
Debug.Assert(GraphicsScreens.Count == 0, "Reset graphics screens before calling InitializeGraphicsScreen().");
var services = Document.Editor.Services;
var graphicsService = services.GetInstance <IGraphicsService>().ThrowIfMissing();
// Initialize graphics screens.
var graphicsScreen = UseDeferredLighting
? (GraphicsScreen) new DeferredGraphicsScreen(services)
: new BasicGraphicsScreen(services);
GraphicsScreens.Add(graphicsScreen);
GraphicsScreens.Add(new DebugGraphicsScreen(services));
// Add default lighting.
var scene = UseDeferredLighting
? ((DeferredGraphicsScreen)graphicsScreen).Scene
: ((BasicGraphicsScreen)graphicsScreen).Scene;
GameHelper.AddLights(scene);
// Add a ground plane (useful for orientation and to check model shadows).
if (_groundModelNode == null)
{
var content = services.GetInstance <ContentManager>().ThrowIfMissing();
_groundModelNode = content.Load <ModelNode>("DigitalRune.Editor.Game/Models/Misc/GroundPlane/GroundPlane").Clone();
}
_groundModelNode.IsEnabled = ShowGroundPlane;
scene.Children.Add(_groundModelNode);
// Add camera.
if (CameraNode == null)
{
var projection = new PerspectiveProjection();
projection.SetFieldOfView(
ConstantsF.PiOver4,
graphicsService.GraphicsDevice.Viewport.AspectRatio,
0.1f,
10000.0f);
CameraNode = new CameraNode(new Camera(projection))
{
Name = "CameraPerspective",
};
}
if (UseDeferredLighting)
{
((DeferredGraphicsScreen)graphicsScreen).ActiveCameraNode = CameraNode;
}
else
{
((BasicGraphicsScreen)graphicsScreen).CameraNode = CameraNode;
}
}
private void Reset(bool resetScreens, bool resetPersistentNodes)
{
// Remove model node from previous scene.
ModelNode?.Parent?.Children.Remove(Document.ModelNode);
// Dispose model clones.
if (ModelNode != Document.ModelNode)
{
Dispose(ModelNode);
}
ModelNode = null;
if (GraphicsScreens.Count > 0)
{
var basicGraphicsScreen = GraphicsScreens[0] as BasicGraphicsScreen;
if (basicGraphicsScreen != null)
{
basicGraphicsScreen.Model = null;
}
}
if (resetScreens)
{
// Keep these nodes to keep camera orientation and to avoid unnecessary reloading.
CameraNode?.Parent?.Children.Remove(CameraNode);
_groundModelNode?.Parent?.Children.Remove(_groundModelNode);
// Dispose graphics screens.
foreach (var graphicsScreen in GraphicsScreens)
{
graphicsScreen.SafeDispose();
}
GraphicsScreens.Clear();
}
if (resetPersistentNodes)
{
Dispose(CameraNode);
CameraNode = null;
Dispose(_groundModelNode);
_groundModelNode = null;
}
}
