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Making open world game

Guys i'm making an online open world game which is in a city (simulation of a real city) so there is a lot of buildings , and i just realized that each material element takes 1 draw call, my problem is with the windows , the body of building it self usually takes 2 material and with the mesh it self it will be 3 , and each building has 2 types of windows at least , so if i want to make them out of texture it would be 2 draw calls for windows as well , and if i make the windows out of polyguns there is again 2 materials (one for the frame and one for the glass) maybe i'm looking at it in a wrong way , any suggestions ?

Product Version: UE Github Master branch
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asked Jun 07 '19 at 05:56 PM in Rendering

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EZEL3050
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You could make atlas materials. Check Online Learning tab in UE4. Course called
Getting Started in Unreal Engine: Lesson Static Meshes. here is the video link

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answered Jun 07 '19 at 07:07 PM

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w2lf
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Hey @ezel3050,

Could hierarchical instanced static meshes be your solution?

https://www.youtube.com/watch?v=oMIbV2rQO4k

Cheers,

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answered Jun 08 '19 at 10:05 AM

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krishcrush_
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