That's not the player and serverptr.
You can find the glasswall adress here:
This is a old version of int, so it's a wrong adress..Code:___:004BBBAF push offset aFrustum_fardis ; "Frustum.FarDistance" ___:004BBBB4 push esi ___:004BBBB5 call dword_8B14F8 ___:004BBBBB pop ecx ___:004BBBBC pop ecx ___:004BBBBD test eax, eax ___:004BBBBF jnz short loc_4BBBCB ___:004BBBC1 push offset flt_B1089C ; B1089C <- glasswall