chore: update header files for improved organization and clarity

[drsnuggles8]

Summary by CodeRabbit

• Bug Fixes
  • Improved environment lighting pack handling so saved and loaded lighting settings now match the updated configuration format.
  • Removed an outdated multithreading option from environment lighting settings, since generation now runs in a single rendering context.
  • Refined environment lighting generation to use the standard rendering path, helping keep baked results consistent across irradiance, prefilter, and BRDF LUT outputs.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 9471e280-e351-416d-922b-5e865672e771

📥 Commits

Reviewing files that changed from the base of the PR and between 82a04b8 and df7152c.

📒 Files selected for processing (4)

• OloEngine/src/OloEngine/Asset/AssetSerializer.cpp
• OloEngine/src/OloEngine/Renderer/EnvironmentMap.h
• OloEngine/src/OloEngine/Renderer/IBLPrecompute.cpp
• OloEngine/src/OloEngine/Renderer/IBLPrecompute.h

💤 Files with no reviewable changes (1)

• OloEngine/src/OloEngine/Asset/AssetSerializer.cpp

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📝 Walkthrough

Walkthrough

The PR removes EnableMultithreading from IBLConfiguration, updates IBL bake helpers to call the base render functions directly, and changes asset-pack serialization to write and read the updated IBL fields.

Changes

IBL bake and pack layout

Layer / File(s)	Summary
IBL contract and helper surface OloEngine/src/OloEngine/Renderer/EnvironmentMap.h, OloEngine/src/OloEngine/Renderer/IBLPrecompute.h, OloEngine/src/OloEngine/Renderer/IBLPrecompute.cpp	IBLConfiguration drops EnableMultithreading, and the IBLPrecompute declarations and bake comments describe the remaining serial helper path.
Direct IBL render calls OloEngine/src/OloEngine/Renderer/IBLPrecompute.cpp	The advanced irradiance, prefilter, and BRDF LUT generation paths now call RenderToCubemap(...) and RenderToTexture(...) directly.
Asset-pack IBL layout OloEngine/src/OloEngine/Asset/AssetSerializer.cpp	The asset-pack serializer and deserializer write and read the new IBL sample and BRDF LUT fields and no longer include EnableMultithreading.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title is broadly related to the change set, though it understates the functional IBL serialization and rendering updates.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud