for setobjectviewdistance.
Set GUI config >video > obj view distance at 800.
try "setobjectviewdistance 1500".
getObjectViewDistance return 800 / video config GUI = 800.
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for viewdistance.
set GUI config > video > view distance at 1000.
try "setViewDistance 2000".
video option GUI dont change but viewDistance are change and return 2000.