Quote: "A variation of texture sets .. Nothing to complex but simple Concrete variations or tile variations perhaps."
Would look out of place if you were to use a different tile or concrete set, considering, every thing fits with every thing, subtle variation is possible, but any drastic would definitely mess with continuity.So there is some draw back, it's possible to have side rooms, with different texture scheme altogether.But I am not touching the corridors textures again, other then subtle variations, for that you will have numerous decals that will add dirt, grime and slime to the mix. Adding broken tiles to the mix isn't possible due to the texture atlas, there was only so much space, having different broken tile states would not have been possible, A curve is 1700units long, with 20 odd repeating sections.
In order to get more texture variation on concrete, tiles, ect and such would require slicing it into two sections of 45 degrees each, or 20 odd sections it just exponentially increases the overall difficulty for the end user and increases the draw calls to some that can't be managed by the engine. Current draw call on a fully kitted out level that takes just short of half the entire map space only has 215 odd draw calls, that is low and prefer keeping it that way, polygon rendering is gone up a bit to 500K at any given time.I wish there was more to be done, but the texture space is quite limited unfortunately, multi texture approach is not what lee wants either but it will be the job on the entities to mix things up in the corridors with pipes, wires, fences, control boxes.
What I have already considered doing and planned is A, B, C versions that has different tile dirt, with the concrete it isn't possible because of the repeating patterns, I previously had the tile walls as a separate entity but that would have been too complex for user assembly.
Example attached.
1700 units long, 900 units wide and 450 units tall, fitting that on a 4096 x 4096 and keeping texture detail required repeating patterns for the tiles the most as the bulk of the curve is concrete.I think it's quite informative, to talk about the drawbacks of doing things a certain way.
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