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Leonid Pershin fd6343bd09 @
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Add MrGameEng.AI utility-AI module; format codebase with CSharpier

New MrGameEng.AI module (ResponseCurve, Consideration, UtilityAction,
UtilityAi selector, Blackboard) plus CSharpier formatting applied across
the whole engine. Documents the CSharpier convention in CLAUDE.md.
@
 2026-06-12 07:19:10 +03:00
Leonid PershinandClaude Fable 5 e06f24a319 Parallel rendering pipeline, ring vertex buffer, phase timings 
Five optimizations measured on the 100k-entity stress scene (Release,
vsync off): 103 FPS baseline -> 297 FPS.

- Sprite submission and vertex building run on all cores above
  Renderer2DOptions.ParallelThreshold (default 8192). Work is sliced
  into 4096-entity segments: a Friflo chunk holds a whole archetype,
  so per-chunk parallelism degenerates to one thread. Segments merge
  in deterministic order, preserving radix sort stability.
- Vertex buffer is ring-written with SetDataOptions.NoOverwrite
  (GPU buffer 2x frame size); Discard only on wrap-around.
- Texture2DRegion precomputes UVs - four float divisions per sprite
  per frame removed.
- Renderer2D exposes per-phase timings (submit/sort/build/upload/draw),
  shown in the sample HUD - all further optimization is data-driven.
- Sample BounceSystem parallelized the same segmented way.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-06-11 05:06:55 +03:00
Leonid PershinandClaude Fable 5 a3e6d3bb0a Stable radix sprite sort and render hot-path optimizations 
SpriteBatcher now sorts with a stable LSD radix sort: equal-key sprites
keep submission order across frames (no flicker) and passes over digits
identical in all keys are skipped, making the common single-layer case
nearly free. Hot paths avoid per-sprite trig and square roots: SinCos is
skipped for unrotated sprites and the culling radius comes from the
region's precomputed diagonal.

Stress scene (100k entities, ~61k on screen, Release): 103 -> 124 FPS.
Sample now runs with VSync off to show real frame rates.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-06-11 04:39:17 +03:00
Leonid Pershin ff2231a8ab Update README.md to include project description, developer documentation links, and license information.
CI / build-test (push) Successful in 1m6s
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2026-06-11 04:03:07 +03:00