World class current client-server fields diff

57c54
<    public int heightShift;
---
>    public int worldYBits = 7;
59,61c56,58
<    public int worldHeight;
<    public int worldMaxY;
<    public int seaLevel;
---
>    public int worldYMax;
>    public int worldYMask;
>    public int worldOceanHeight;
71c68
<    public List weatherEffects;
---
>    public List lightningEntities;
74c71
<    protected int updateLCG;
---
>    protected int distHashCounter;
91c88
<    protected final ISaveHandler saveHandler;
---
>    protected final ISaveHandler worldFile;
93c90
<    public boolean findingSpawnPoint;
---
>    public boolean worldChunkLoadOverride;
100,101c97,98
<    private Set positionsToUpdate;
<    private int soundCounter;
---
>    private Set activeChunkSet;
>    private int ambientTickCountdown;
104c101
<    public boolean multiplayerWorld;
---
>    public boolean singleplayerWorld;