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Change Log

All notable changes to the "gcode-genius" extension will be documented in this file.

[0.1.0] - Initial Release

This is the first public release of G-code Genius. It combines all features developed and refined over previous internal versions into a single, comprehensive toolkit for G-code editing and visualization.

Added

  • G-code Formatter: A powerful formatter (accessible via "Format Document") that standardizes spacing and case, intelligently formats numbers (stripping trailing zeros), preserves comments and structure, and automatically splits multiple commands from a single line.
  • Dynamic Syntax Highlighting:
    • Highlights G-code commands (G0, G1), coordinates (X, Y, Z), arc offsets (I, J, K), and feed/speed parameters (F, S).
    • Guarantees a minimum 4.5:1 text-to-background contrast ratio, ensuring readability on any VS Code theme.
    • Uses a custom, high-visibility color for comments, fixing issues where they were unreadable on some themes.
  • Interactive 3D Visualization:
    • Opens via a dedicated icon in the editor's title bar.
    • Visualizes toolpaths with distinct colors for rapid (G0) and feed (G1, G2, G3) movements.
    • Renders G2/G3 arc commands, correctly handling both absolute (G90.1) and incremental (G91.1) center modes.
    • Features a dynamic pivot sphere to indicate the camera's rotation center.
  • Advanced Selection & Interaction:
    • Two-Way Sync: Click a line in the editor to highlight in 3D; click a path in 3D to jump to the code.
    • Box Selection: Draw a rectangle to select toolpaths, with CAD-style logic (left-to-right for contained, right-to-left for intersected).
    • Modifier Keys: Use Shift+Click for range selection and Ctrl+Click to add/remove from the current selection.
    • Double-Click: Instantly select a continuous cutting operation.
    • Hover-to-Highlight: Easily identify toolpaths by hovering over them in the 3D view.
  • Transformation Tools with Live Preview:
    • UI panels for Move, Rotate, and Move to Origin with instant visual feedback.
    • Transformation previews are cancelled safely if the G-code is modified externally.
    • Selection is locked while a transformation panel is active to prevent errors.
  • Editor & UI Integration:
    • Keyboard Shortcuts: Use Ctrl+C, Ctrl+X, Ctrl+V, Delete, Ctrl+A, and Undo/Redo directly within the 3D view to manipulate G-code.
    • Navigation Slider: Appears in single-cursor mode for smooth scrubbing along the toolpath.
    • State Persistence: Camera position, zoom, and panel state are saved and restored when VS Code is restarted.
    • Hover Provider: Displays concise G-code command and machine state information on hover in the editor.

Changed

  • Major Color System Refactoring: Replaced a hardcoded/theme-variable system with a fully adaptive, function-based system. All visualizer colors now generate dynamically based on the editor's background color for seamless integration.
  • Mouse Controls: Re-mapped for intuitive use: Left-mouse for selection, Middle-mouse for rotation, Right-mouse for panning.
  • "Move to Origin" Tool: Upgraded from a direct action to a full UI panel with live preview and options for origin point (Center/Min Point).
  • Codebase Structure: Refactored the entire JavaScript codebase from monolithic files into smaller, more maintainable ES modules (e.g., scene.js, interactions.js, color.js, transformations/move.js).

Fixed

  • Performance: Fixed a major performance issue that caused the editor to flicker when scrolling through G-code files.
  • Parser: The parser now correctly handles commands with leading zeros (e.g., G01 is treated as G1).
  • Color & Theme:
    • Fixed numerous bugs related to the color system, ensuring colors update correctly when the theme changes and that highlight colors are applied with the correct priority.
    • Fixed a critical bug where comments were invisible on many themes by using a custom-generated, guaranteed-contrast color.
  • Transformations & UI:
    • Fixed a "Maximum call stack size exceeded" crash when cancelling a transformation.
    • Resolved issues where transformation previews would not update or cancel correctly.
    • Corrected CSS layout issues with the transformation panel.
  • Selection & Interaction:
    • Fixed bugs in mouse coordinate systems that caused the selection box to be offset from the cursor.
    • Corrected inaccurate raycasting (click/hover detection) at certain camera angles.
    • Resolved multiple bugs in selection logic to ensure correct color priority and state restoration.