Lightmap (Source 2)

GoldSrc

Source Engine

Source 2

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In Source 2, individual faces can be biased, giving them priority over other faces. The actual scale is dictated by total lightmap resolution, which is controlled separately.

Note:Lightmaps in Source 2 are 512x512 each. For example, compiling lighting at 8192 resolution compile (currently the maximum VRAD3 permits) will actually create 256 lightmaps (16x16).

Note: Source 2 generates lightmaps for all static meshes.

Important:Unlike Source 1, mesh entities in Source 2 are never lightmapped; in order to get proper lighting on mesh entities, lightprobes must be built.