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Fix SH lightmap coefficients for direct lights without L1 packing #103204

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@Rudolph-B Rudolph-B commented Feb 23, 2025

Fixes #102300 without L1 packing

This PR changes the SH coefficients used for encoding direct light sources. This requires that the L1 packing method also should be adjusted since it is tightly coupled to the SH coefficients. This PR does this by disabling L1 packing all together effectively undoing #96114.

Dynamic Non-Directional Current Directional PR Directional
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@Rudolph-B Rudolph-B changed the title Fix SH lightmap coefficients for direct lights Fix SH lightmap coefficients for direct lights without L1 packing Feb 23, 2025
@Chaosus Chaosus added this to the 4.x milestone Feb 23, 2025
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[4.4 Beta 2] Lightmaps too dim when using directional toggle
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