isSpottedBy(other) {
        let bit = other.clientSlot;
        let mask = null;
        if (other.clientSlot < 32) {
            mask = this.getProp("m_bSpottedByMask", "000");
        }
        else {
            bit = other.clientSlot - 32;
            mask = this.getProp("m_bSpottedByMask", "001");
        }
        return (mask & (1 << bit)) !== 0;
    }
Checks if this player has been spotted by the other.
Note that this still returns true if spotted by the other player even if
the other player is dead.
@param other - Other player entity
@returns Is this player spotted by the other?