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Showing content with the highest reputation on 08/11/2018 in all areas

  1. 1 point
    There are a lot of different things contributing to this issue, and it also depends on what type of rendering setup you are using (forward/deferred, lightmapped / realtime etc). One of the big underlying causes is that Unity doesn't really deal well with dynamic environments where there are a lot of non-static GO's. This in particular starts to break down when certain rendering paths don't properly support batching. The end result is that the CPU spends a lot of time creating dynamic batches that are straight up ignored and cause individual render calls in parts of the render pipeline (stalling the GPU). The solution we've tried inhouse is to manually combine meshes and objects for those parts of the level that are indestructible after the scene loads, which already gives a mighty speed boost and solves both above issues. The other issue is that Unity simply doesn't like runtime combining of scenes with lightmaps, which is making completely randomized maps quite a pain to implement. I want to assure everyone that we know the issue, and we've been testing solutions to this throughout development and I'm confident that we can get orders of magnitudes of improvement in FPS. We simply haven't implemented those solutions as they would slow down the work being done on nailing down the level design workflow.
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