[MadeMan]

Use printf or SendClientMessageEx to see what the 'animlib' actually is when using this function. It could be empty and strcmp returns 0 for empty strings.

pawn Code:

stock IsPlayerInWater(playerid)
{
    new animlib[10], animname[10];
    GetAnimationName(GetPlayerAnimationIndex(playerid), animlib, sizeof(animlib), animname, sizeof(animname));
    printf("animlib: %s", animlib);
    return (!strcmp(animlib, "SWIM"));
}