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BS-JD-302 - Terrain sculpt tools with stroke undo #23

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opened 2026-06-06 01:48:05 -04:00 by Rbanh · 0 comments
Rbanh commented 2026-06-06 01:48:05 -04:00
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Summary

Implement raise/lower, flatten, smooth, and noise sculpt brushes with one undo entry per stroke.

Why

Terrain becomes useful only when editable through fast, predictable viewport brush tools.

Implementation notes

  • Add modal sculpt tool state and brush radius/strength controls.
  • Implement raise/lower, flatten, smooth, and noise operations.
  • Preview brush footprint and affected terrain area.
  • Group each continuous stroke into one undo entry.

Acceptance criteria

  • Terrain sculpt modes modify heightmap data visibly.
  • Brush preview tracks cursor and terrain surface.
  • Escape/right-click cancels active stroke safely.
  • Undo/redo operates per stroke, not per sample.

Tests/docs

Heightmap operation tests and undo grouping tests. Update README controls and docs/editor terrain workflow.

## Summary Implement raise/lower, flatten, smooth, and noise sculpt brushes with one undo entry per stroke. ## Why Terrain becomes useful only when editable through fast, predictable viewport brush tools. ## Implementation notes - Add modal sculpt tool state and brush radius/strength controls. - Implement raise/lower, flatten, smooth, and noise operations. - Preview brush footprint and affected terrain area. - Group each continuous stroke into one undo entry. ## Acceptance criteria - [ ] Terrain sculpt modes modify heightmap data visibly. - [ ] Brush preview tracks cursor and terrain surface. - [ ] Escape/right-click cancels active stroke safely. - [ ] Undo/redo operates per stroke, not per sample. ## Tests/docs Heightmap operation tests and undo grouping tests. Update README controls and docs/editor terrain workflow.
Rbanh added this to the M3 - Terrain and physics placement milestone 2026-06-06 01:48:05 -04:00
Rbanh added the
roadmap:jackdaw
type:feature
priority:P1
area:terrain
 labels 2026-06-06 01:48:05 -04:00
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area:assets

Asset browser, material browser, thumbnails, import, processing, and asset watcher.

  
area:brushes

Brush geometry, CSG, face editing, UVs, and brush diagnostics.

  
area:extensions

Static extension API, extension scaffolds, dylib exploration.

  
area:governance

Policy, attribution, planning, and production process.

  
area:inspector

Inspector, component metadata, component editing UX.

  
area:operators

Editor operator/action framework, undo, commit/cancel semantics.

  
area:physics

Physics placement, colliders, rigid bodies, diagnostics, and overlays.

  
area:project-ux

Project launcher, profiles, templates, or first-run project workflow.

  
area:quality

Regression packs, tests, performance budgets, profiler, first-hour UX.

  
area:runtime

BRP, remote inspector, PIE, game preview, runtime integration.

  
area:scene-io

Scene document, save/load, schema, migration, or reference repair.

  
area:terrain

Terrain authoring, terrain sculpting, heightmaps, and terrain materials.

  
area:viewport

Viewport interaction, selection, shortcuts, camera, overlays, and controls.

  
priority:P0

Must-have prerequisite or milestone-critical item.

  
priority:P1

Important production feature after P0 work is stable.

  
priority:P2

Useful follow-up or polish item.

  
priority:P3

Exploratory or later spike.

  
roadmap:jackdaw

Jackdaw-inspired Blacksite editor roadmap item.

  
type:architecture

Architecture, internal framework, or hard-to-reverse technical decision.

  
type:docs

Documentation, policy, samples, or issue-board structure.

  
type:epic

Tracking epic that groups related milestone work.

  
type:feature

User-visible feature or capability.

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area:assets
area:brushes
area:extensions
area:governance
area:inspector
area:operators
area:physics
area:project-ux
area:quality
area:runtime
area:scene-io
area:terrain
area:viewport
priority:P0
priority:P1
priority:P2
priority:P3
roadmap:jackdaw
type:architecture
type:docs
type:epic
type:feature
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M3 - Terrain and physics placement
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Reference: Falling-Metal-Interactive/Blacksite#23
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