There is no direct relation to how many tris = what texture rez. As far as I know and im pretty sure there isnt. You can have a 512 on a flat plane that is only 2 tris or one that is a thousand tris. Texture size isnt dependent on tri count. Obviously the thousand tri plane would be more expensive but its not related to…
I honestly dont know how widely used 2048 textures are used like a lot of people think they are. Most guns actually use 1024's. Most common used texture rez's are 512's for games today. Most props, depending on how big they are would be a 512, some times lower and in some cases 1024's. Really depends on how big the prop is…
This should probably be moved to Tech Talk. Generally it depends on how close you can get to the model and some other factors. For example, a prop you can walk right up to might be 1024, but one on the ceiling of a tall room might be 512. Screen-time is important too. A hero character or first person weapon might get a…