/// <summary>
/// Load an asset to the preview.
/// </summary>
/// <typeparam name="TAssetType">The type of the asset to load</typeparam>
/// <param name="url">The path to the asset to load</param>
/// <param name="settings">The settings. If null, fallback to <see cref="ContentManagerLoaderSettings.Default" />.</param>
/// <returns>The loaded asset</returns>
public TAssetType LoadAsset <TAssetType>(string url, ContentManagerLoaderSettings settings = null) where TAssetType : class
{
TAssetType result = null;
try
{
// This method can be invoked both from a script and from a regular task. In the second case, it will use the out-of-microthread database which need to be locked.
// TODO: Ensure this method is always called from the preview game (it is not at least when a property is modified, currently), so we don't need to lock. Note: should be the case now, assume it is after GDC!
if (Scheduler.CurrentMicroThread == null)
{
Monitor.Enter(AssetBuilderService.OutOfMicrothreadDatabaseLock);
}
MicrothreadLocalDatabases.MountDatabase(OutputObjects.Yield());
try
{
result = Game.Content.Load <TAssetType>(url, settings);
}
finally
{
if (Scheduler.CurrentMicroThread == null)
{
MicrothreadLocalDatabases.UnmountDatabase();
}
}
}
catch (Exception e)
{
Builder.Logger.Error($"An exception was triggered when trying to load the entity [{url}] for the preview of asset item [{AssetItem.Location}].", e);
}
finally
{
if (Scheduler.CurrentMicroThread == null)
{
Monitor.Exit(AssetBuilderService.OutOfMicrothreadDatabaseLock);
}
}
return(result);
}
protected override Task <ResultStatus> DoCommandOverride(ICommandContext commandContext)
{
var contentManager = new ContentManager();
var device = GraphicsDevice.New();
var fallbackMaterial = Material.New(device, new MaterialDescriptor
{
Attributes =
{
Diffuse = new MaterialDiffuseMapFeature(new ComputeTextureColor()),
DiffuseModel = new MaterialDiffuseLambertModelFeature()
}
});
var loadSettings = new ContentManagerLoaderSettings
{
ContentFilter = ContentManagerLoaderSettings.NewContentFilterByType(typeof(Mesh), typeof(Material))
};
IList <Entity> allEntities = new List <Entity>();
if (Parameters.Prefab != null)
{
var prefab = Package.Session.FindAssetFromProxyObject(Parameters.Prefab)?.Asset as PrefabAsset;
if (prefab != null)
{
allEntities = prefab.Hierarchy.Parts.Values.Select(x => x.Entity).ToList();
}
}
var prefabModel = new Model();
//The objective is to create 1 mesh per material/shadow params
//1. We group by materials
//2. Create a mesh per material (might need still more meshes if 16bit indexes or more then 32bit)
var materials = new Dictionary <MaterialInstance, List <EntityChunk> >();
var loadedModel = new List <Model>();
foreach (var subEntity in allEntities)
{
var modelComponent = subEntity.Get <ModelComponent>();
if (modelComponent?.Model == null || (modelComponent.Skeleton != null && modelComponent.Skeleton.Nodes.Length != 1) || !modelComponent.Enabled)
{
continue;
}
var modelAsset = Package.Session.FindAssetFromProxyObject(modelComponent.Model);
if (modelAsset == null)
{
continue;
}
var model = contentManager.Load <Model>(modelAsset.Location, loadSettings);
loadedModel.Add(model);
if (model == null ||
model.Meshes.Any(x => x.Draw.PrimitiveType != PrimitiveType.TriangleList || x.Draw.VertexBuffers == null || x.Draw.VertexBuffers.Length != 1) ||
model.Materials.Any(x => x.Material != null && x.Material.Passes.Any(pass => pass.HasTransparency)) ||
modelComponent.Materials.Values.Any(x => x.Passes.Any(pass => pass.HasTransparency))) //For now we limit only to TriangleList types and interleaved vertex buffers, also we skip transparent
{
commandContext.Logger.Info($"Skipped entity {subEntity.Name} since it's not compatible with PrefabModel.");
continue;
}
for (var index = 0; index < model.Materials.Count; index++)
{
var material = model.Materials[index];
var mat = ExtractMaterialInstance(material, index, modelComponent, fallbackMaterial);
var chunk = new EntityChunk {
Entity = subEntity, Model = model, MaterialIndex = index
};
if (materials.TryGetValue(mat, out var entities))
{
entities.Add(chunk);
}
else
{
materials.Add(mat, new List <EntityChunk> {
chunk
});
}
}
}
foreach (var material in materials)
{
ProcessMaterial(contentManager, material.Value, material.Key, prefabModel);
}
// split the meshes if necessary
prefabModel.Meshes = SplitExtensions.SplitMeshes(prefabModel.Meshes, renderingSettings.DefaultGraphicsProfile > GraphicsProfile.Level_9_3);
//handle boundng box/sphere
var modelBoundingBox = prefabModel.BoundingBox;
var modelBoundingSphere = prefabModel.BoundingSphere;
foreach (var mesh in prefabModel.Meshes)
{
var vertexBuffers = mesh.Draw.VertexBuffers;
if (vertexBuffers.Length > 0)
{
// Compute local mesh bounding box (no node transformation)
var matrix = Matrix.Identity;
mesh.BoundingBox = vertexBuffers[0].ComputeBounds(ref matrix, out mesh.BoundingSphere);
// Compute model bounding box (includes node transformation)
BoundingSphere meshBoundingSphere;
var meshBoundingBox = vertexBuffers[0].ComputeBounds(ref matrix, out meshBoundingSphere);
BoundingBox.Merge(ref modelBoundingBox, ref meshBoundingBox, out modelBoundingBox);
BoundingSphere.Merge(ref modelBoundingSphere, ref meshBoundingSphere, out modelBoundingSphere);
}
mesh.Draw.CompactIndexBuffer();
}
prefabModel.BoundingBox = modelBoundingBox;
prefabModel.BoundingSphere = modelBoundingSphere;
//save
contentManager.Save(Url, prefabModel);
foreach (var model in loadedModel.NotNull())
{
contentManager.Unload(model);
}
device.Dispose();
return(Task.FromResult(ResultStatus.Successful));
}
protected override Task <ResultStatus> DoCommandOverride(ICommandContext commandContext)
{
var assetManager = new ContentManager();
// Cloned list of collider shapes
var descriptions = Parameters.ColliderShapes.ToList();
Parameters.ColliderShapes = Parameters.ColliderShapes.Where(x => x != null &&
(x.GetType() != typeof(ConvexHullColliderShapeDesc) || ((ConvexHullColliderShapeDesc)x).Model != null)).ToList();
//pre process special types
foreach (var convexHullDesc in
(from shape in Parameters.ColliderShapes let type = shape.GetType() where type == typeof(ConvexHullColliderShapeDesc) select shape)
.Cast <ConvexHullColliderShapeDesc>())
{
// Clone the convex hull shape description so the fields that should not be serialized can be cleared (Model in this case)
ConvexHullColliderShapeDesc convexHullDescClone = new ConvexHullColliderShapeDesc
{
Scaling = convexHullDesc.Scaling,
LocalOffset = convexHullDesc.LocalOffset,
LocalRotation = convexHullDesc.LocalRotation,
Depth = convexHullDesc.Depth,
PosSampling = convexHullDesc.PosSampling,
AngleSampling = convexHullDesc.AngleSampling,
PosRefine = convexHullDesc.PosRefine,
AngleRefine = convexHullDesc.AngleRefine,
Alpha = convexHullDesc.Alpha,
Threshold = convexHullDesc.Threshold,
};
// Replace shape in final result with cloned description
int replaceIndex = descriptions.IndexOf(convexHullDesc);
descriptions[replaceIndex] = convexHullDescClone;
var loadSettings = new ContentManagerLoaderSettings
{
ContentFilter = ContentManagerLoaderSettings.NewContentFilterByType(typeof(Mesh), typeof(Skeleton))
};
var modelAsset = assetManager.Load <Model>(AttachedReferenceManager.GetUrl(convexHullDesc.Model), loadSettings);
if (modelAsset == null)
{
continue;
}
convexHullDescClone.ConvexHulls = new List <List <List <Vector3> > >();
convexHullDescClone.ConvexHullsIndices = new List <List <List <uint> > >();
commandContext.Logger.Info("Processing convex hull generation, this might take a while!");
var nodeTransforms = new List <Matrix>();
//pre-compute all node transforms, assuming nodes are ordered... see ModelViewHierarchyUpdater
if (modelAsset.Skeleton == null)
{
Matrix baseMatrix;
Matrix.Transformation(ref convexHullDescClone.Scaling, ref convexHullDescClone.LocalRotation, ref convexHullDescClone.LocalOffset, out baseMatrix);
nodeTransforms.Add(baseMatrix);
}
else
{
var nodesLength = modelAsset.Skeleton.Nodes.Length;
for (var i = 0; i < nodesLength; i++)
{
Matrix localMatrix;
Matrix.Transformation(
ref modelAsset.Skeleton.Nodes[i].Transform.Scale,
ref modelAsset.Skeleton.Nodes[i].Transform.Rotation,
ref modelAsset.Skeleton.Nodes[i].Transform.Position, out localMatrix);
Matrix worldMatrix;
if (modelAsset.Skeleton.Nodes[i].ParentIndex != -1)
{
var nodeTransform = nodeTransforms[modelAsset.Skeleton.Nodes[i].ParentIndex];
Matrix.Multiply(ref localMatrix, ref nodeTransform, out worldMatrix);
}
else
{
worldMatrix = localMatrix;
}
if (i == 0)
{
Matrix baseMatrix;
Matrix.Transformation(ref convexHullDescClone.Scaling, ref convexHullDescClone.LocalRotation, ref convexHullDescClone.LocalOffset, out baseMatrix);
nodeTransforms.Add(baseMatrix * worldMatrix);
}
else
{
nodeTransforms.Add(worldMatrix);
}
}
}
for (var i = 0; i < nodeTransforms.Count; i++)
{
var i1 = i;
if (modelAsset.Meshes.All(x => x.NodeIndex != i1))
{
continue; // no geometry in the node
}
var combinedVerts = new List <float>();
var combinedIndices = new List <uint>();
var hullsList = new List <List <Vector3> >();
convexHullDescClone.ConvexHulls.Add(hullsList);
var indicesList = new List <List <uint> >();
convexHullDescClone.ConvexHullsIndices.Add(indicesList);
foreach (var meshData in modelAsset.Meshes.Where(x => x.NodeIndex == i1))
{
var indexOffset = (uint)combinedVerts.Count / 3;
var stride = meshData.Draw.VertexBuffers[0].Declaration.VertexStride;
var vertexBufferRef = AttachedReferenceManager.GetAttachedReference(meshData.Draw.VertexBuffers[0].Buffer);
byte[] vertexData;
if (vertexBufferRef.Data != null)
{
vertexData = ((BufferData)vertexBufferRef.Data).Content;
}
else if (!vertexBufferRef.Url.IsNullOrEmpty())
{
var dataAsset = assetManager.Load <Buffer>(vertexBufferRef.Url);
vertexData = dataAsset.GetSerializationData().Content;
}
else
{
continue;
}
var vertexIndex = meshData.Draw.VertexBuffers[0].Offset;
for (var v = 0; v < meshData.Draw.VertexBuffers[0].Count; v++)
{
var posMatrix = Matrix.Translation(new Vector3(BitConverter.ToSingle(vertexData, vertexIndex + 0), BitConverter.ToSingle(vertexData, vertexIndex + 4), BitConverter.ToSingle(vertexData, vertexIndex + 8)));
Matrix rotatedMatrix;
var nodeTransform = nodeTransforms[i];
Matrix.Multiply(ref posMatrix, ref nodeTransform, out rotatedMatrix);
combinedVerts.Add(rotatedMatrix.TranslationVector.X);
combinedVerts.Add(rotatedMatrix.TranslationVector.Y);
combinedVerts.Add(rotatedMatrix.TranslationVector.Z);
vertexIndex += stride;
}
var indexBufferRef = AttachedReferenceManager.GetAttachedReference(meshData.Draw.IndexBuffer.Buffer);
byte[] indexData;
if (indexBufferRef.Data != null)
{
indexData = ((BufferData)indexBufferRef.Data).Content;
}
else if (!indexBufferRef.Url.IsNullOrEmpty())
{
var dataAsset = assetManager.Load <Buffer>(indexBufferRef.Url);
indexData = dataAsset.GetSerializationData().Content;
}
else
{
throw new Exception("Failed to find index buffer while building a convex hull.");
}
var indexIndex = meshData.Draw.IndexBuffer.Offset;
for (var v = 0; v < meshData.Draw.IndexBuffer.Count; v++)
{
if (meshData.Draw.IndexBuffer.Is32Bit)
{
combinedIndices.Add(BitConverter.ToUInt32(indexData, indexIndex) + indexOffset);
indexIndex += 4;
}
else
{
combinedIndices.Add(BitConverter.ToUInt16(indexData, indexIndex) + indexOffset);
indexIndex += 2;
}
}
}
var decompositionDesc = new ConvexHullMesh.DecompositionDesc
{
VertexCount = (uint)combinedVerts.Count / 3,
IndicesCount = (uint)combinedIndices.Count,
Vertexes = combinedVerts.ToArray(),
Indices = combinedIndices.ToArray(),
Depth = convexHullDesc.Depth,
PosSampling = convexHullDesc.PosSampling,
PosRefine = convexHullDesc.PosRefine,
AngleSampling = convexHullDesc.AngleSampling,
AngleRefine = convexHullDesc.AngleRefine,
Alpha = convexHullDesc.Alpha,
Threshold = convexHullDesc.Threshold,
SimpleHull = convexHullDesc.SimpleWrap
};
var convexHullMesh = new ConvexHullMesh();
convexHullMesh.Generate(decompositionDesc);
var count = convexHullMesh.Count;
commandContext.Logger.Info("Node generated " + count + " convex hulls");
var vertexCountHull = 0;
for (uint h = 0; h < count; h++)
{
float[] points;
convexHullMesh.CopyPoints(h, out points);
var pointList = new List <Vector3>();
for (var v = 0; v < points.Length; v += 3)
{
var vert = new Vector3(points[v + 0], points[v + 1], points[v + 2]);
pointList.Add(vert);
vertexCountHull++;
}
hullsList.Add(pointList);
uint[] indices;
convexHullMesh.CopyIndices(h, out indices);
for (var t = 0; t < indices.Length; t += 3)
{
Utilities.Swap(ref indices[t], ref indices[t + 2]);
}
var indexList = new List <uint>(indices);
indicesList.Add(indexList);
}
convexHullMesh.Dispose();
commandContext.Logger.Info("For a total of " + vertexCountHull + " vertexes");
}
}
var runtimeShape = new PhysicsColliderShape {
Descriptions = descriptions
};
assetManager.Save(Url, runtimeShape);
return(Task.FromResult(ResultStatus.Successful));
}
/// <summary>
/// Loads content from the specified URL asynchronously.
/// </summary>
/// <typeparam name="T">The content type.</typeparam>
/// <param name="content">The <see cref="IContentManager"/>.</param>
/// <param name="urlReference">The URL to load from.</param>
/// <param name="settings">The settings. If null, fallback to <see cref="ContentManagerLoaderSettings.Default"/>.</param>
/// <returns>The loaded content.</returns>
/// <exception cref="ArgumentNullException">If <paramref name="urlReference"/> is <c>null</c> or <c>empty</c>. Or <paramref name="content"/> is <c>null</c>.</exception>
public static Task <T> LoadAsync <T>(this IContentManager content, UrlReference <T> urlReference, ContentManagerLoaderSettings settings = null)
where T : class
{
CheckArguments(content, urlReference);
return(content.LoadAsync <T>(urlReference.Url, settings));
}
protected override Task <ResultStatus> DoCommandOverride(ICommandContext commandContext)
{
var contentManager = new ContentManager();
var device = GraphicsDevice.New();
var fallbackMaterial = Material.New(device, new MaterialDescriptor
{
Attributes =
{
Diffuse = new MaterialDiffuseMapFeature(new ComputeTextureColor()),
DiffuseModel = new MaterialDiffuseLambertModelFeature()
}
});
var loadSettings = new ContentManagerLoaderSettings
{
ContentFilter = ContentManagerLoaderSettings.NewContentFilterByType(typeof(Mesh), typeof(Skeleton), typeof(Material), typeof(Prefab))
};
Prefab prefab;
if (Parameters.Prefab == null)
{
prefab = new Prefab();
}
else
{
prefab = contentManager.Load <Prefab>(Parameters.Prefab.Location, loadSettings);
if (prefab == null)
{
throw new Exception("Failed to load prefab.");
}
}
var prefabModel = new Model();
//The objective is to create 1 mesh per material/shadow params
//1. We group by materials
//2. Create a mesh per material (might need still more meshes if 16bit indexes or more then 32bit)
var materials = new Dictionary <MaterialInstance, List <EntityChunk> >();
var validEntities = new List <Entity>();
foreach (var rootEntity in prefab.Entities)
{
//collect sub entities as well
var collected = IterateTree(rootEntity, subEntity => subEntity.GetChildren()).ToArray();
//first pass, check if compatible with prefabmodel
foreach (var subEntity in collected)
{
//todo for now we collect everything with a model component
var modelComponent = subEntity.Get <ModelComponent>();
if (modelComponent?.Model == null || (modelComponent.Skeleton != null && modelComponent.Skeleton.Nodes.Length != 1))
{
continue;
}
var modelAsset = contentManager.Load <Model>(AttachedReferenceManager.GetUrl(modelComponent.Model), loadSettings);
if (modelAsset == null ||
modelAsset.Meshes.Any(x => x.Draw.PrimitiveType != PrimitiveType.TriangleList || x.Draw.VertexBuffers == null || x.Draw.VertexBuffers.Length != 1) ||
modelAsset.Materials.Any(x => x.Material != null && x.Material.HasTransparency) ||
modelComponent.Materials.Values.Any(x => x.HasTransparency)) //For now we limit only to TriangleList types and interleaved vertex buffers, also we skip transparent
{
commandContext.Logger.Info($"Skipped entity {subEntity.Name} since it's not compatible with PrefabModel.");
continue;
}
validEntities.Add(subEntity);
}
}
foreach (var subEntity in validEntities)
{
var modelComponent = subEntity.Get <ModelComponent>();
var modelAsset = contentManager.Load <Model>(AttachedReferenceManager.GetUrl(modelComponent.Model), loadSettings);
for (var index = 0; index < modelAsset.Materials.Count; index++)
{
var material = modelAsset.Materials[index];
var mat = ExtractMaterialInstance(material, index, modelComponent, fallbackMaterial);
var chunk = new EntityChunk {
Entity = subEntity, Model = modelAsset, MaterialIndex = index
};
List <EntityChunk> entities;
if (materials.TryGetValue(mat, out entities))
{
entities.Add(chunk);
}
else
{
materials.Add(mat, new List <EntityChunk> {
chunk
});
}
}
}
foreach (var material in materials)
{
ProcessMaterial(contentManager, material.Value, material.Key, prefabModel);
}
// split the meshes if necessary
prefabModel.Meshes = SplitExtensions.SplitMeshes(prefabModel.Meshes, renderingSettings.DefaultGraphicsProfile > GraphicsProfile.Level_9_3);
//handle boundng box/sphere
var modelBoundingBox = prefabModel.BoundingBox;
var modelBoundingSphere = prefabModel.BoundingSphere;
foreach (var mesh in prefabModel.Meshes)
{
var vertexBuffers = mesh.Draw.VertexBuffers;
if (vertexBuffers.Length > 0)
{
// Compute local mesh bounding box (no node transformation)
var matrix = Matrix.Identity;
mesh.BoundingBox = vertexBuffers[0].ComputeBounds(ref matrix, out mesh.BoundingSphere);
// Compute model bounding box (includes node transformation)
BoundingSphere meshBoundingSphere;
var meshBoundingBox = vertexBuffers[0].ComputeBounds(ref matrix, out meshBoundingSphere);
BoundingBox.Merge(ref modelBoundingBox, ref meshBoundingBox, out modelBoundingBox);
BoundingSphere.Merge(ref modelBoundingSphere, ref meshBoundingSphere, out modelBoundingSphere);
}
mesh.Draw.CompactIndexBuffer();
}
prefabModel.BoundingBox = modelBoundingBox;
prefabModel.BoundingSphere = modelBoundingSphere;
//save
contentManager.Save(Url, prefabModel);
device.Dispose();
return(Task.FromResult(ResultStatus.Successful));
}
public async Task Run()
{
Services = new ServiceRegistry();
// Database file provider
Services.AddService <IDatabaseFileProviderService>(new DatabaseFileProviderService(new DatabaseFileProvider(ObjectDatabase.CreateDefaultDatabase())));
// Content manager
Content = new ContentManager(Services);
Services.AddService <IContentManager>(Content);
Services.AddService(Content);
//Services.AddService<IGraphicsDeviceService>(new GraphicsDeviceServiceLocal(null));
// Game systems
var gameSystems = new GameSystemCollection(Services);
Services.AddService <IGameSystemCollection>(gameSystems);
gameSystems.Initialize();
// Load scene (physics only)
var loadSettings = new ContentManagerLoaderSettings
{
// Ignore all references (Model, etc...)
ContentFilter = ContentManagerLoaderSettings.NewContentFilterByType()
};
var scene = await Content.LoadAsync <Scene>("MainScene", loadSettings);
var sceneInstance = new SceneInstance(Services, scene, ExecutionMode.None);
var sceneSystem = new SceneSystem(Services)
{
SceneInstance = sceneInstance,
};
Services.AddService(sceneSystem);
var physics = new PhysicsProcessor();
sceneInstance.Processors.Add(physics);
var socket = new SimpleSocket();
socket.Connected += clientSocket =>
{
Console.WriteLine("Client connected");
var reader = new BinarySerializationReader(clientSocket.ReadStream);
while (true)
{
// Receive ray start/end
var start = reader.Read <Vector3>();
var end = reader.Read <Vector3>();
// Raycast
var result = physics.Simulation.Raycast(start, end);
Console.WriteLine($"Performing raycast: {(result.Succeeded ? "hit" : "miss")}");
// Send result
clientSocket.WriteStream.WriteByte((byte)(result.Succeeded ? 1 : 0));
clientSocket.WriteStream.Flush();
}
};
await socket.StartServer(2655, false);
Console.WriteLine("Server listening, press a key to exit");
Console.ReadKey();
}
