chore(linear lighting): new Linear defaults

[Dlizzio]

Set new Linear Lighting defaults with the intent of matching the diffuse brightness with PBR textures, fog to average implementation of sky vs fog color, effect to match when linear is disabled, and compensating for bright glow maps. All tested.

Summary by CodeRabbit

• Style
  • Fine-tuned default rendering parameters to enhance visual appearance. Adjusted gamma correction values for colors, emissions, fog effects, glow mapping, and visual elements. These optimizations improve overall visual quality, consistency, and rendering fidelity across the application.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Updated gamma-related configuration defaults in LinearLighting Settings struct, including adjustments to colorGamma, emitColorGamma, glowmapGamma, fogGamma, fogAlphaGamma, effectGamma, effectAlphaGamma, and glowmapMult values.

Changes

Cohort / File(s)	Summary
LinearLighting Configuration Defaults src/Features/LinearLighting.h	Updated 8 gamma and multiplier default values: colorGamma (2.2f → 1.8f), emitColorGamma (2.2f → 1.8f), glowmapGamma (2.2f → 1.8f), fogGamma (2.2f → 1.97f), fogAlphaGamma (1.0f → 1.8f), effectGamma (1.8f → 1.4f), effectAlphaGamma (1.0f → 1.55f), glowmapMult (1.0f → 0.5f).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Suggested reviewers

• jiayev
• doodlum
• davo0411

Poem

🐰 The gamma values dance and shift so fine,
Lighting calibrated in each glowing line,
From fog to color, the defaults are now bright,
A rabbit's touch ensures the rendering's just right! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: updating Linear Lighting default configuration values.

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✨ Finishing touches

• 📝 Generate docstrings

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[github-actions]

Using provided base ref: 94f854f
Using base ref: 94f854f
Base commit date: 2026-01-12T11:16:56+10:00 (Monday, January 12, 2026 11:16 AM)
No actionable suggestions for changed features.

[github-actions]

✅ A pre-release build is available for this PR:
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