Add hierarchical scene graph for editor with TreeView UI, runtime
HierarchyUtility for parent/child linked-list management, and
incremental sync between editor world and scene graph nodes.
- SceneGraphNode/SceneNode/EntityNode with World, Scene, Entity refs
- SceneGraphBuilder — construct tree from ECS World queries
- HierarchyUtility — SetParent, RemoveParent, IsAncestor, cascade destroy
- EditorWorldService + SceneGraphSyncService — editor world lifecycle & incremental sync
- Hierarchy.xaml — TreeView with DataTemplate + SceneGraphTemplateSelector
- 25 unit tests covering hierarchy ops and scene graph building
Refactored Hierarchy and Inspector panels into separate controls with improved styling and modularity. Cached EngineCore in EditorShaderCompilerBridge and updated shader cache logic for correctness. Renamed static field in PropertyField for consistency. Enhanced test coverage and fixed IDisposable implementation. Added XAML debugging properties for Debug_Editor and cleaned up obsolete scripts.
- Add AssetCatalog.EnumerateByTypes for filtered SQL queries
- Thread LocalKeywordSet through IShaderCompilationBridge API so the
bridge can resolve keyword bitmask to string defines at compile time
- Eager/lazy popluation of shader-id-to-asset-id map eliminating
full catalog scan per compilation miss
- Build keyword mapping from PassDescriptor groups to reconstruct
localIndex -> keywordName in the bridge
- Use CompileShaderPass extension for multi-stage AS/MS/PS compilation
with correct ShaderModel from descriptor
- Remove double-load of shader asset in compilation flow
- Update test mock to match new interface signature
Added Debug_Editor/Release_Editor configs to all projects and solution. Refactored test utilities into Ghost.TestCore and updated references. Introduced DXCBindingTest for shader compilation. Updated conditional compilation to use GHOST_EDITOR. Improved platform mappings and performed minor code cleanup.
- Introduced AssetHandlerInfo struct for handler registration and lookup, enabling handler caching and decoupling instantiation from extension/type.
- Changed CustomAssetHandlerAttribute to use required named properties; updated source generator.
- Replaced HandlerTypeId with AssetTypeId throughout metadata, catalog, and sub-asset records for clarity.
- Refactored asset catalog to use connection pooling and local command creation for thread safety.
- Updated asset handler interfaces and implementations to align with new registration system and removed redundant properties.
- Migrated mesh import and meshlet building to async JobScheduler jobs; switched to TLSF allocator and improved safety checks.
- Made meshlet/LOD hierarchy building async and job-based with better memory management.
- Updated usages and tests for new APIs; refreshed project references and package versions.
- Improved documentation and code comments for clarity.
- Unified FBX/OBJ logic into MeshAssetHandler and moved mesh node classes to MeshNode.cs
- Updated IAssetHandler to use CreateDefaultSettings(string ext)
- Made MeshAsset the abstract base, removed FBXAsset
- Switched mesh import/processing to use memory pools and explicit AllocationHandle
- Standardized manifest serialization options
- Improved error handling and normalized project paths
- Updated tests, project files, and AssetReference struct
- Standardize IImportableAssetHandler.ImportAsync to return sub-asset results
- Remove ISubAssetImportableAssetHandler, merge into main interface
- Update FBX/Texture handlers for new import contract
- Add StreamUtility for efficient (async) binary writes
- Refactor meshlet/LOD building to use ref structs and safe memory
- Use new streaming utilities in mesh import/export and tests
- AssetCatalog.Remove now recursively deletes sub-assets
- Improve asset registry file watcher for better change detection
- Log unhandled exceptions in App instead of breaking
- Add interpolated collection support to NativeMemoryManager
- Update project references and fix minor bugs
- Mesh import now builds full node hierarchy and splits geometry by material, with robust normal/tangent handling
- Meshlet generation supports material indices for correct assignment
- Refactored texture cube map compression and mipmap handling
- Updated asset handler registration to new namespace
- Enabled asset reimport on import events
- Improved code quality, resource management, and formatting
- Switched asset handler interfaces and implementations to use file paths instead of FileStreams for all operations.
- Refactored mesh asset structure and parsing, moved meshlet logic to MeshProcessor, and introduced hierarchical MeshNode types.
- Updated texture asset handling: switched to bits-per-channel, improved mipmap/cubemap generation, and SPMD HDRI support.
- Updated shader asset handlers to use file paths and split code compilation logic.
- Improved asset registry: added event debouncing, better path handling, and import time/hash tracking.
- Added source generator for IAssetSettings registration to support polymorphic JSON serialization.
- Updated dependencies and tests; various minor fixes and cleanups.
- Added LogViewer control to display log messages with filtering options.
- Integrated LogViewer into EditPage for better log management.
- Updated EngineEditorWindow to navigate to EditPage.
- Enhanced Logger implementation for improved performance and stack trace capturing.
- Introduced PathUtility for path normalization.
- Refactored AssetManager to correct shader asset type naming.
- Removed obsolete AssetHandlerRegistryTests and cleaned up related tests.
- Updated ImportCoordinatorTests for streamlined asset import process.
- Renamed AddInstanceRequest to UpdateInstanceRequest; unified add/update logic for GPU instances
- Introduced UpdateGPUInstanceSystem to handle changed MeshInstance components
- Replaced QueryBuilder.Create() with QueryBuilder.New() for consistency
- Switched versioning in ChunkView HasChanged/HasStructuralChanged to uint
- Added extension-to-AssetType mapping in AssetHandlerRegistry
- Changed TextureAssetHandler/Processor to use nint for image data
- Enhanced DDS cache: read mipmap count, handle invalid files
- Updated ProjectBrowserViewModel to use IAssetRegistry
- Upgraded Misaki.HighPerformance and System.IO.Hashing packages
- Set DependencyChainCapacity in JobSchedulerDesc
- Fixed instance buffer logic in GhostRenderPipeline
- Miscellaneous cleanups and namespace improvements
Refactored AssetHandlerRegistry to a static class and updated all usages. Replaced the docking-based EngineEditorWindow with a new grid/panel layout, adding modern toolbar, menu bar, and status bar. Introduced new divider styles and improved UI details. Removed obsolete and unused files, updated project references, and made minor code and UI/UX improvements.
Add runtime AssetManager and AssetHandlerRegistrationGenerator source generator.
Update editor asset handler types and services to work with new registration
mechanism and asset catalog. Remove legacy contracts ICloneable and IReleasable.
Files added:
- src/Runtime/Ghost.Engine/AssetManager.cs
- src/Runtime/Ghost.Generator/AssetHandlerRegistrationGenerator.cs
Major edits:
- Editor asset handler classes and services (Asset*, Texture*, Registry)
- Runtime Handle.cs and project files
- Render graph executor and tests updated accordingly
This commit introduces the foundation for the modern asset pipeline
including generated registration of asset handlers and a centralized
runtime AssetManager that will drive asset lifecycle.
Refactored asset management to use a persistent, thread-safe SQLite-backed AssetCatalog, replacing in-memory dictionaries.
Added AssetHandlerRegistry for O(1) handler lookup, ImportCoordinator for async background importing, and robust AssetMeta/AssetMetaIO for JSON-based metadata and settings.
Refactored AssetRegistry to integrate these components and support auto-import via file system watcher.
Updated IImportableAssetHandler for handler-specific settings and polymorphic serialization.
Added comprehensive unit tests for all new systems.
Removed obsolete code and legacy integration tests.
BREAKING CHANGE: Asset system APIs and storage format have changed; migration required for existing projects.
Added a new `code-executor` agent with strict TDD and performance focus. Refactored `TextureProcessor` and `TextureAssetHandler` to use `Magick.NET` for image processing. Enhanced `GPUScene` with `InstanceCounterBuffer` and improved instance management. Introduced a compute shader for GPU scene updates. Updated `GhostRenderPipeline` to handle add/remove instance buffers.
BREAKING CHANGE: Removed `x86` platform support and replaced `CachesFolderPath` with `LibraryFolderPath`. Updated project dependencies and removed unused utility classes.
Major refactor of graphics pipeline keying, shader cache, and resource allocation.
Replaced most Allocator usage with AllocationHandle, modernized logger usage,
and unified pipeline state keys. Updated MeshUtility to use AllocationHandle.FreeList.
Added new shader pipeline architecture docs and improved error handling throughout.
BREAKING CHANGE: Pipeline keying and resource allocation APIs have changed.
Major overhaul of GPU resource/heap management:
- Replace resource pooling and upload buffer logic with transient heap/page-based suballocation in ResourceManager.
- Add support for suballocation and heap flags/types, with D3D12 helpers.
- Remove ICommandBuffer.UploadBuffer/UploadTexture; add UpdateSubResources and CopyBuffer, move upload logic to RenderingContext.
- Refactor D3D12ResourceAllocator/Database for suballocation, heap flags, and mapping.
- Standardize on Handle<GPUBuffer> usage.
- Update meshlet/mesh utilities for new allocation handles and memory pools.
- Refactor RenderGraph and docs to use "heap" terminology.
- Use cpuFrame/gpuFrame consistently for frame sync.
- Add s2h.hlsl, s2h_3d.hlsl, s2h_scatter.hlsl shader debug libs.
- Miscellaneous fixes, cleanup, and dependency updates.
BREAKING CHANGE: Resource pooling and upload APIs replaced with new heap/page-based suballocation system. Update all buffer/texture creation and upload code to use new ResourceManager and ICommandBuffer methods.
Refactored native wrappers to use ReadOnlySpan<T> for pointer parameters, improving .NET safety and interop. Enhanced wrapper generator with $TYPE and prefix/suffix-based parameter remapping. Added platform-specific native library loading for meshoptimizer, nvtt, and ufbx. Updated D3D12GraphicsEngineFactory for native DLL resolution and removed redundant logic from UnitTestApp. Changed RenderGraphBuilder's resource extraction API to use QueryTextureExtraction/QueryBufferExtraction with explicit handles and flags. Removed IRenderer and D3D12Renderer, moving RenderContext to RenderPipeline. Improved mesh loading, resource management, and updated test shader conventions. Updated project references, build settings, and added launchSettings.json for tooling.
BREAKING CHANGE: Native wrapper APIs now use ReadOnlySpan<T> instead of pointers. RenderGraphBuilder resource extraction API has changed. IRenderer and D3D12Renderer have been removed.
Refactored ProjectBrowser to use GridView instead of ItemsView for file display, updated selection logic, and set a minimum grid height. FloatingWindow now manages DockingLayout cleanup on close to prevent resource leaks. Simplified DockDocument and DockGroup instantiations in EngineEditorWindow. Updated GetDirectoryNameConverter to use Path.GetDirectoryName directly. App shutdown now calls EditorApplication.Shutdown(). Added Ghost.Engine reference in ActivationHandler.
- Add DockLength property to DockModule to track star weights
- Add SyncLengths() to DockPanel to capture current Grid weights
- Update DockPanel.UpdateLayoutStructure to use DockLength
- Update DockingLayout.SplitGroup to distribute weights when splitting
Refactored DockGroup to only remove obsolete TabViewItems and restore tab selection more reliably. Updated DockGroup.xaml to enable tab reordering and add-tab button. Switched to CommunityToolkit.WinUI.Controls for GridSplitter and added a style for it. Made DockPanel, DockRegionHighlight, and DockingLayout partial classes. In App.xaml.cs, wrapped initialization in a try-catch to exit on error, and ensured process exit on window close. Improved ProjectBrowser scrollbar behavior and layout settings.
- Throw ArgumentException in DockContainer.ReplaceChild if newChild is already in the container to avoid index shifting bugs.
- Add comment in DockPanel.CheckCleanup explaining the asymmetric root panel collapse behavior.
