#pragma once
#include "../ChunkSource.h"
#include "../LevelChunk.h"
#include "../EmptyLevelChunk.h"
#include "ChunkStorage.h"

class ProgressListener;

class ReadOnlyChunkCache : public ChunkSource {
private:
    static const int LEN = 16;
    static const int LEN_MASK = LEN - 1;
    LevelChunkArray chunks;
    Level* level;
    ChunkStorage* storage;

public:
    ReadOnlyChunkCache(Level* level, ChunkStorage* storage);
    virtual ~ReadOnlyChunkCache();

    virtual bool hasChunk(int x, int z);
    byteArray emptyPixels;
    virtual LevelChunk* create(int x, int z);
    virtual LevelChunk* getChunk(int x, int z);

private:
    LevelChunk* load(int x, int z);  // 4J - TODO - was synchronized

public:
    virtual void postProcess(ChunkSource* parent, int x, int z);
    virtual bool save(bool force, ProgressListener* progressListener);
    virtual bool tick();
    virtual bool shouldSave();
    virtual std::wstring gatherStats();

    virtual std::vector<Biome::MobSpawnerData*>* getMobsAt(
        MobCategory* mobCategory, int x, int y, int z);
    virtual TilePos* findNearestMapFeature(Level* level,
                                           const std::wstring& featureName,
                                           int x, int y, int z);
};