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Changelog

All notable changes to VibeyMapTools are documented here.

For the detailed changelog with full technical details, see the docs/changelog.rst file.

[Unreleased]

Features

  • vmt-preview: HUD overlay with portal/leaf counts, selection info, and lightgrid sample stats
  • vmt-preview: Selection tools (copy face/texture info, focus camera on face/leaf, solo selected texture)
  • vmt-preview: Auto-reload portal/leak visualizations (.prt/.pts/.lin) and BSP outputs for .map sessions
  • vmt-preview: Optional selection ray rendering toggle

Bug Fixes

  • vmt-preview: Fix portal overlay color uniforms being sent to the wrong shader

[2.1.0] - 2026-01-01

This release continues the VibeyMapTools fork with rebranding and modernization.

Features

  • vmt-light: Improved Half-Life compatibility and behavior
  • Numerous bug fixes and improvements across the toolchain
  • vmt-bsp: Half-Life !cur_* current contents support (CONTENTS_CURRENT_*)

Changed

  • Project rebranded from ericw-tools to VibeyMapTools (VMT)
  • All executables now prefixed with vmt- for clarity
  • License updated to GPL v3
  • Build: tag-aware SemVer metadata and release packaging automation

[2.0.0-alpha11] - Unreleased

Features

  • vmt-light: Support Half-Life style light fields with r g b brightness or r g b format
  • lightpreview: Added lightgrid visualization ("Draw Lightgrid" checkbox)

Bug Fixes

  • vmt-light: Fix _bouncecolorscale being ignored when specified via worldspawn key
  • vmt-light: Fix using delay 4 (local minlight) + _light_channel_mask together

[2.0.0-alpha10]

Changes

  • vmt-bsp: .texinfo.json file is now always written
  • vmt-light: Switchable shadow casters now self-shadow when switched off

Features

  • vmt-vis: Support _noambient on func_group to disable ambient sounds
  • vmt-light: Allow -hdr, -bspxhdr, -lux, -bspxlux on Q2 BSPs (experimental)

Bug Fixes

  • vmt-bsp: Fix func_detail_fence causing "grey flash" on some engines
  • vmt-light: Fix lighting of faces embedded inside func_detail_fence
  • vmt-light: Better check for color content when generating .lit files

[2.0.0-alpha9]

Changes

  • vmt-bsp: Never merge across liquids; deprecate -nomergeacrossliquids
  • vmt-bsp: Remove treating __TB_empty as skip
  • vmt-bsp: Deprecate _chop and replace with _chop_order

Features

  • vmt-light: Add _surflight_atten key for worldspawn/func_group/func_detail
  • vmt-light: Add _switchableshadow_target
  • vmt-bsp: Add _hulls bmodel key for omitting specific collision hulls
  • lightpreview: Add "view -> move camera to" menu item

Bug Fixes

  • vmt-bsp: Fix bmodel bounds for mixed clip and non-clip brushes
  • vmt-bsp: Fix software renderer compatibility
  • vmt-bsp: Add support for Q2 re-release content flags
  • vmt-light: Fix _surflight_group

[2.0.0-alpha8]

Changes

  • vmt-light: Invalid "delay" settings are now warnings instead of fatal errors
  • vmt-bsp: Q2: Write true leaf contents even if CONTENTS_SOLID is set

Features

  • lightpreview: Show leaf contents in status bar
  • vmt-light: LIGHTING_E5BGR9 + HDR .lit support

Bug Fixes

  • vmt-light: Fix "mangle" on _sun 1 entities
  • vmt-light: Fix sunlight artifacts
  • vmt-bsp: Q2: Fix areaportals broken in alpha7

[2.0.0-alpha7]

Changes

  • vmt-light: Q2: Opaque lit liquids receive light from both sides by default
  • vmt-bsp: Remove broken -transsky feature

Features

  • vmt-bsputil: Added --svg export
  • lightpreview: Add camera bookmarks, stats panel with BSP lump sizes

Bug Fixes

  • vmt-bsp: Fix "sides not found" warning spam on Q1 maps with sky
  • vmt-light: Fix -dirtdebug causing .lit generation in Q2 mode
  • vmt-light: Reduce excess memory use

[2.0.0-alpha6]

Changes

  • vmt-light: Fix -emissivequality high incorrect brightness
  • vmt-bsp: Liquids don't cause splits in perpendicular walls by default
  • packaging: Remove "bin" subfolder from releases

Bug Fixes

  • Fix macOS builds broken since alpha1
  • lightpreview: Package in macOS + Linux builds
  • vmt-light: Fix -bounce shorthand
  • vmt-bsp: Make Q2_SURF_ALPHATEST imply TRANSLUCENT + DETAIL
  • vmt-bsp: Fix t-junc logic to avoid excessive welding

[2.0.0-alpha5]

Bug Fixes

  • vmt-bsp: Fix for Q2 animated textures
  • vmt-bsp: Fix leaks through detail
  • vmt-light: Fix entire lightmap turning black when using _surface lights
  • vmt-light: Fix excessive bouncing with lit water

Enhancements

  • vmt-vis: More performance (gmsp3v2.bsp: 18.2s → 10.6s)

[2.0.0-alpha4]

Bug Fixes

  • vmt-bsp: Fix -notex
  • vmt-bsp: Fix func_detail_illusionary and misc_external_map with -wrbrushes

Enhancements

  • vmt-vis: Major performance fixes (gmsp3v2.bsp: 153s → 18.5s)
  • vmt-light: Performance fixes for large maps with point lights

[2.0.0-alpha3]

Bug Fixes

  • lightpreview: Don't crash on Q1 maps with missing textures
  • vmt-light: Fix broken sunlight in Q1 maps
  • vmt-bsp: Q2: Fix corruption if texture name exceeds 31 chars

New Features

  • lightpreview: Add .lit file loading
  • Initial maputil for manipulating .map files with Lua scripting
  • vmt-light: Initial multiple bounce support with _bounce

[2.0.0-alpha2]

Focus: Quake 2 support improvements.

Bug Fixes

  • Fix blown out lightmaps with bounce and lightstyles
  • Fix lightstyles being deleted if map leaks
  • Fix surface lights not illuminating back faces of lit water

New Features

  • _light_twosided bmodel key for two-sided surface lighting
  • _tex_saturation_boost worldspawn key for Q2 vanilla tools emulation

[2.0.0-alpha1]

First alpha release featuring Quake 2 support, including features for the remaster:

  • -lightgrid
  • -world_units_per_luxel
  • -wrnormals

To compile Q2 maps, pass -q2bsp to vmt-bsp.

Earlier Releases

For the complete history of earlier releases (v0.18.x and before), see:

Links