public override async Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var model = await PickupAsset(parent.Editor.Session, new[] { typeof(IModelAsset) });
if (model is null)
{
return(null);
}
var name = ComputeNewName(parent, model.Name);
var component = new ModelComponent {
Model = ContentReferenceHelper.CreateReference <Model>(model)
};
var instancingComponent = new InstancingComponent();
return(await CreateEntityWithComponent(name, component, instancingComponent));
}
public override Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var name = ComputeNewName(parent, "Smoke particle system");
var component = new ParticleSystemComponent();
var emitter = new ParticleEmitter {
ParticleLifetime = new Vector2(1, 2)
};
// 20 Particle per second
var spawner = new SpawnerPerSecond {
SpawnCount = 20
};
emitter.Spawners.Add(spawner);
// Size
var randSize = new InitialSizeSeed {
RandomSize = new Vector2(0.35f, 0.55f)
};
emitter.Initializers.Add(randSize);
// Position
var randPos = new InitialPositionSeed
{
PositionMin = new Vector3(-0.2f, 0, -0.2f),
PositionMax = new Vector3(0.2f, 0, 0.2f)
};
emitter.Initializers.Add(randPos);
// Velocity
var randVel = new InitialVelocitySeed
{
VelocityMin = new Vector3(-0.5f, 1f, -0.5f),
VelocityMax = new Vector3(0.5f, 3, 0.5f)
};
emitter.Initializers.Add(randVel);
component.ParticleSystem.Emitters.Add(emitter);
return(CreateEntityWithComponent(name, component));
}
/// <inheritdoc />
protected override bool CanAddOrInsert(EntityHierarchyItemViewModel parent, SceneViewModel asset, AddChildModifiers modifiers, int index, out string message, params object[] messageArgs)
{
var currentRoot = parent.Owner as SceneRootViewModel;
// Note: scene are inserted after all entities
if (currentRoot == null || index < currentRoot.EntityCount)
{
message = "Can only add a scene to another scene";
return(false);
}
if (!currentRoot.SceneAsset.CanBeParentOf(asset, out message, true))
{
return(false);
}
message = "Add to this scene";
return(true);
}
public override Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var slotId = default(SceneCameraSlotId);
var gameSettings = parent.Asset.ServiceProvider.Get <GameSettingsProviderService>().CurrentGameSettings;
if (gameSettings != null)
{
var assetFinder = (IAssetFinder)parent.Asset.Session;
var compositor = assetFinder.FindAssetFromProxyObject(gameSettings.GraphicsCompositor)?.Asset as GraphicsCompositorAsset;
slotId = compositor?.Cameras.FirstOrDefault()?.ToSlotId() ?? default(SceneCameraSlotId);
}
var name = ComputeNewName(parent, "Camera");
var component = new CameraComponent
{
Projection = CameraProjectionMode.Perspective,
Slot = slotId,
};
return(CreateEntityWithComponent(name, component));
}
public override async Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var skybox = await PickupAsset(parent.Editor.Session, new[] { typeof(SkyboxAsset) });
if (skybox == null)
{
return(null);
}
var skyboxAsset = (SkyboxAsset)skybox.Asset;
var name = ComputeNewName(parent, "Skybox light");
var lightComponent = new LightComponent {
Type = new LightSkybox {
Skybox = ContentReferenceHelper.CreateReference <Skybox>(skybox)
}
};
var skyboxComponent = new BackgroundComponent {
Texture = skyboxAsset.CubeMap
};
return(await CreateEntityWithComponent(name, lightComponent, skyboxComponent));
}
/// <inheritdoc />
protected override void ApplyPolicy(EntityHierarchyItemViewModel parent, IReadOnlyCollection <SceneViewModel> assets, int index, Vector3 position)
{
var currentRoot = parent.Owner as SceneRootViewModel;
var currentScene = currentRoot?.Asset as SceneViewModel;
if (currentScene == null)
{
return;
}
// Note: scene are inserted after all entities
index -= currentRoot.EntityCount;
// Get common "root" scenes (in case we are trying to drop two scenes that are already part of the same hierarchy.
var commonRoots = GetCommonRoots(assets);
// Move the scenes in two steps: first remove all, then insert all
foreach (var scene in commonRoots)
{
// Some of the scenes we're moving might already be children of the current scene, let's count for their removal in the insertion index.
var rootIndex = currentScene.Children.IndexOf(scene);
if (rootIndex >= 0 && rootIndex < index)
{
--index;
}
scene.Parent?.Children.Remove(scene);
}
foreach (var scene in commonRoots)
{
currentScene.Children.Insert(index, scene);
currentRoot.ChildScenes[index].Offset = position;
// Make sure the scene is loaded
currentRoot.ChildScenes[index].RequestLoading(true).Forget();
++index;
}
}
public override Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent)
{
var name = ComputeNewName(parent, "Ribbon particle system");
var component = new ParticleSystemComponent();
var emitter = new ParticleEmitter {
ParticleLifetime = new Vector2(2, 2)
};
// 30 Particles per second
var spawner = new SpawnerPerSecond {
SpawnCount = 30
};
emitter.Spawners.Add(spawner);
// Ribbon
var ribbonShape = new ShapeBuilderRibbon
{
SmoothingPolicy = SmoothingPolicy.Best,
Segments = 15,
TextureCoordinatePolicy = TextureCoordinatePolicy.Stretched,
TexCoordsFactor = 1f
};
emitter.ShapeBuilder = ribbonShape;
// Velocity
var randVel = new InitialVelocitySeed
{
VelocityMin = new Vector3(-0.15f, 3f, -0.15f),
VelocityMax = new Vector3(0.15f, 3, 0.15f)
};
emitter.Initializers.Add(randVel);
// Spawn Order
var initialOrder = new InitialSpawnOrder();
emitter.Initializers.Add(initialOrder);
// Size by Lifetime
var sizeCurve = new ComputeAnimationCurveFloat();
var key0 = new AnimationKeyFrame <float>
{
Key = 0,
Value = 0.1f
};
var key1 = new AnimationKeyFrame <float>
{
Key = 0.9f,
Value = 0f
};
sizeCurve.KeyFrames.Add(key0);
sizeCurve.KeyFrames.Add(key1);
var sizeAnimation = new UpdaterSizeOverTime {
SamplerMain = { Curve = sizeCurve }
};
emitter.Updaters.Add(sizeAnimation);
emitter.SortingPolicy = EmitterSortingPolicy.ByOrder;
component.ParticleSystem.Emitters.Add(emitter);
return(CreateEntityWithComponent(name, component));
}
public abstract Task <Entity> CreateEntity(EntityHierarchyItemViewModel parent);
public static string ComputeNewName([NotNull] EntityHierarchyItemViewModel parent, [NotNull] string baseName)
{
// We do not generate unique names for entities anymore, it is not useful at all.
//return NamingHelper.ComputeNewName(baseName, parent.Children.OfType<EntityViewModel>(), x => x.Name);
return(baseName);
}