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Estella

v0.5.1

Game View Panel

  • Added Game View panel with play/pause/stop controls and single-frame step
  • Resolution presets (Free Aspect, 16:9, 9:16, 4:3, 1:1) plus custom resolution input
  • Playback speed control and real-time FPS counter
  • Isolated iframe-based preview with its own WASM instance (preserves Scene View renderer)
  • Game panel available as a tab next to Scene in default layout

Play Mode

  • Hierarchy and Inspector panels display runtime entities during play
  • Hierarchy shows runtime entity tree with parent-child relationships
  • Inspector renders live runtime properties with auto-refresh
  • Runtime property editing via world.insert() for builtin components
  • Blue “RUNTIME” badge and top border indicate active play mode

Dockview Layout System

  • Replaced fixed splitter layout with dockview-core for drag-drop dockable panels
  • Tabbed panel groups, drag panels between groups, layout persistence in localStorage
  • “Reset Layout” command to restore default arrangement

Content Drawer

  • Content Drawer opens as a slide-up panel from statusbar (Ctrl+Space)
  • Auto-hides on click-outside or Escape key
  • “Dock in Layout” button moves content browser into dockview
  • Drawer and docked panel can coexist independently
  • Resizable drag handle with height persisted in localStorage
  • Pin button to keep drawer open

Scene Management

  • Added SceneManager resource with load/unload/switchTo/loadAdditive/pause/resume/sleep/wake
  • SceneOwner component for entity-to-scene lifetime tracking
  • Scene-scoped draw callbacks and camera filtering by active scenes
  • Built-in fade transition in switchTo() and standalone transitionTo() with fade/crossfade
  • wrapSceneSystem() for conditional system execution based on scene status
  • Integrated into build pipeline templates (Playable + WeChat)

Project Settings

  • Exposed 12 hardcoded defaults as configurable project settings
  • RuntimeConfig in SDK for runtime-configurable defaults (transition duration, default font, canvas scale mode, max delta time, fixed timestep iterations, text canvas size)
  • Editor Settings panel extended with Build and Runtime sections
  • Settings wired through preview config and build templates

SDK & Runtime

  • System dependency ordering via runBefore/runAfter with topological sort
  • Playback control API: setPaused, stepFrame, setPlaySpeed
  • Error handling: onSystemError callback per system, onWasmError boundary with graceful degradation
  • Centralized logger with pluggable handlers
  • Prefab nesting depth guard (MAX_DEPTH=10)
  • AssetRefCounter for asset usage monitoring
  • setPipeline() method replacing unsafe cast
  • Warning for unknown uniform names
  • Fix EventSource/TextInput/input listener leaks, add cleanup on quit()

Editor Improvements

Scene View

  • Marquee box selection (click-drag to select multiple entities)
  • Snap-to-grid (Ctrl+drag) with configurable grid size
  • Keyboard shortcuts: F (focus), Delete, arrow keys, zoom
  • Space+drag pan, Shift rotation angle snap
  • Adaptive grid subdivision

Inspector

  • Component context menu (reset, copy, paste, reorder)
  • Property reset-to-default
  • AddComponent keyboard navigation with search highlight
  • Responsive labels and component icons
  • Runtime entity property editing in play mode

Hierarchy

  • Inline rename (F2 / context menu / slow double-click)
  • Arrow key navigation with expand/collapse
  • Multi-select: Ctrl+click, Shift+click range, Ctrl+A select all
  • Cut (Ctrl+X), recursive duplicate, collapse/expand all
  • ARIA tree roles for accessibility

Content Browser

  • Fuzzy search with recursive file matching
  • Image thumbnails with LRU cache
  • Grid/list view toggle
  • Multi-select (Ctrl/Shift) with keyboard navigation
  • Empty state display and back button
  • ARIA grid role for accessibility

Output Panel

  • Timestamps on each log entry
  • Type filters (info/warn/error) with count badges
  • Search within output
  • Context menu copy and command grouping

Keyboard Shortcuts

  • Ctrl+X cut entities
  • Ctrl+Space toggle Content Drawer
  • Ctrl+1/2/3 panel focus
  • Ctrl+Shift+N new entity
  • Ctrl+Shift+Z redo
  • Ctrl+S save in input fields
  • Escape handling for dialogs and drawer

Performance

  • AABB-based frustum culling
  • Fast path for non-rotated quad rendering
  • Shader uniform lookups with pre-resolved integer location IDs
  • Shader hot-reload in editor mode

Bug Fixes

  • Fix SceneManager.switchTo() reentrancy during active transitions
  • Fix SceneManager.load()/loadAdditive() race conditions on concurrent loads
  • Fix PostProcessPipeline FBO leak on resize
  • Fix scene transition silent failures from unawaited promises
  • Fix editor panel memory leaks (canvas listeners, scroll listeners, context menu timers)
  • Fix entity selection not cleared after deletion
  • Fix stale undo closure, drag undo flooding, zoom DPR on Retina displays
  • Fix settings validation, color range, toast XSS, statusbar footer count
  • Fix deleteSelectedEntities undo collecting descendants before command execution
  • Fix prefab save with retry/discard dialog, add auto-save and recovery
  • Fix WebGL context init using GL.registerContext + initRendererWithContext
  • Fix runtime scene validation errors