onUpdateWalkingPlayer

/**
     * called every tick when the player is on foot. Performs all the things that normally happen during movement.
     */
    public void onUpdateWalkingPlayer(UpdateMotionEvent updateMotionEvent, float yaw, float pitch) {
        boolean flag = this.isSprinting();

        if (flag != this.serverSprintState) {
            if (flag) {
                this.sendQueue.addToSendQueue(new C0BPacketEntityAction(this, C0BPacketEntityAction.Action.START_SPRINTING));
            } else {
                this.sendQueue.addToSendQueue(new C0BPacketEntityAction(this, C0BPacketEntityAction.Action.STOP_SPRINTING));
            }


            PlayerHandler.shouldSprintReset = false;

            this.serverSprintState = flag;
        }

        boolean flag1 = this.isSneaking();

        if (flag1 != this.serverSneakState) {
            if (flag1) {
                this.sendQueue.addToSendQueue(new C0BPacketEntityAction(this, C0BPacketEntityAction.Action.START_SNEAKING));
            } else {
                this.sendQueue.addToSendQueue(new C0BPacketEntityAction(this, C0BPacketEntityAction.Action.STOP_SNEAKING));
            }

            this.serverSneakState = flag1;
        }

        if (updateMotionEvent.isCurrentView()) {
            double d0 = this.posX - this.lastReportedPosX;
            double d1 = this.getEntityBoundingBox().minY - this.lastReportedPosY;
            double d2 = this.posZ - this.lastReportedPosZ;
            double d3 = (double) (yaw - this.lastReportedYaw);
            double d4 = (double) (pitch - this.lastReportedPitch);

            boolean flag2 = d0 * d0 + d1 * d1 + d2 * d2 > 9.0E-4D || this.positionUpdateTicks >= 20;
            boolean flag3 = d3 != 0.0D || d4 != 0.0D;

            if (this.ridingEntity == null) {
                if (flag2 && flag3) {
                    this.sendQueue.addToSendQueue(new C03PacketPlayer.C06PacketPlayerPosLook(this.posX, this.getEntityBoundingBox().minY, this.posZ, yaw, pitch, this.onGround));
                } else if (flag2) {
                    this.sendQueue.addToSendQueue(new C03PacketPlayer.C04PacketPlayerPosition(this.posX, this.getEntityBoundingBox().minY, this.posZ, this.onGround));
                } else if (flag3) {
                    this.sendQueue.addToSendQueue(new C03PacketPlayer.C05PacketPlayerLook(yaw, pitch, this.onGround));
                } else {
                    this.sendQueue.addToSendQueue(new C03PacketPlayer(this.onGround));
                }
            } else {
                final RidingEntityEvent ridingEntityEvent = new RidingEntityEvent(this.motionX, -999D, this.motionZ, this.onGround).publishItself();
                this.sendQueue.addToSendQueue(new C03PacketPlayer.C06PacketPlayerPosLook(ridingEntityEvent.getMotionX(), ridingEntityEvent.getMotionY(), ridingEntityEvent.getMotionZ(), yaw, pitch, ridingEntityEvent.isOnGround()));
                flag2 = false;
            }

            ++this.positionUpdateTicks;

            if (flag2) {
                this.lastReportedPosX = this.posX;
                this.lastReportedPosY = this.getEntityBoundingBox().minY;
                this.lastReportedPosZ = this.posZ;
                this.positionUpdateTicks = 0;
            }

            if (flag3) {
                this.lastReportedYaw = yaw;
                this.lastReportedPitch = pitch;
            }

            new UpdateMotionEvent(UpdateMotionEvent.Type.POST, updateMotionEvent.isCurrentView()).publishItself();
        }
    }