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## Update Changelog: Ray Tracing Support ### 1. Added Ray Tracing & Ray Traced Colored Lighting * **Implementation:** Replaced RSM (Reflective Shadow Maps) with basic PTGI (Path Traced Global Illumination). No extra post-processing was applied; please consider this an experimental feature or a practice run, so the quality may not be perfect. * **Requirements:** Currently only supported on **Iris**. It is disabled by default. * **How to Enable:** * **Ray Tracing:** Go to Shader Options and enable **Ray Tracing Diffuse** and **Ray Tracing Specular**. * **Colored Lighting:** Enable the **Colored Lighting** option separately if you need it without full Ray Tracing. * **Important:** Ray Tracing already includes colored lighting effects. **Do NOT enable "Colored Lighting" while Ray Tracing is active** to avoid unnecessary performance waste. Please refer to the in-game shader settings for more details. * **Performance:** Due to architectural changes required for Ray Tracing, there is a slight performance cost compared to older versions, even when Ray Tracing is disabled. Thank you for your understanding. ### 2. Handheld Dynamic Lighting * Added settings related to Handheld Dynamic Lighting. * When **Ray Tracing** or **Colored Lighting** is enabled, the dynamic lighting system will automatically switch to **Colored Handheld Dynamic Lighting**. ### 3. Parallax Occlusion Mapping (POM) Improvements * Modified the Parallax texture sampling method to prevent bugs caused by incomplete resource packs. * Fixed several existing bugs within the parallax system. ### 4. PBR Adjustments * Tweaked and adjusted PBR effects. ### 5. The Nether Overhaul * Increased overall brightness. * Reduced fog density and Bloom intensity for a clearer, brighter image. * Added support for **Ray Tracing** and **Colored Lighting** within the Nether. ### 6. The End Overhaul * Code cleanup and optimization. * Reduced fog density and Bloom intensity; adjusted post-processing effects. * Reflections in The End now support **Skybox reflections**. * Added support for **Ray Tracing** and **Colored Lighting** within The End. ### 7. Atmosphere * Adjusted sunrise color tones. ### 8. Localization * Added **English translations** for the Shader Options UI. ### 9. Misc * Other various optimizations and adjustments.