Files
2026-03-07 03:31:30 +07:00

266 lines
11 KiB
C++

#pragma once
using namespace std;
class DataLayer;
class TileEntity;
class Random;
class ChunkSource;
class EntitySelector;
#include "SparseLightStorage.h"
#include "CompressedTileStorage.h"
#include "SparseDataStorage.h"
#include "LightLayer.h"
#include "Entity.h"
#include "Level.h"
#define SHARING_ENABLED
class TileCompressData_SPU;
#if 0//__PSVITA__
#define _ENTITIES_RW_SECTION
#endif
class LevelChunk
{
friend class TileCompressData_SPU;
friend class LevelRenderer;
public:
byteArray biomes; // 4J Stu - Made public
static constexpr int ENTITY_BLOCKS_LENGTH = Level::maxBuildHeight/16;
static constexpr int BLOCKS_LENGTH = Level::CHUNK_TILE_COUNT; // 4J added
static bool touchedSky;
enum EColumnFlag
{
eColumnFlag_recheck = 1,
eColumnFlag_biomeOk = 2,
eColumnFlag_biomeHasSnow = 4,
eColumnFlag_biomeHasRain = 8,
};
// byteArray blocks;
// 4J - actual storage for blocks is now private with public methods to access it
private:
CompressedTileStorage *lowerBlocks; // 0 - 127
CompressedTileStorage *upperBlocks; // 128 - 255
public:
bool isRenderChunkEmpty(int y);
void setBlockData(byteArray data); // Set block data to that passed in in the input array of size 32768
void getBlockData(byteArray data); // Sets data in passed in array of size 32768, from the block data in this chunk
int getBlocksAllocatedSize(int *count0, int *count1, int *count2, int *count4, int *count8);
bool loaded;
unsigned char rainHeights[16*16]; // 4J - optimisation brought forward from 1.8.2 (was int arrayb in java though)
unsigned char columnFlags[16*8]; // 4J - lighting update brought forward from 1.8.2, was a bool array but now mixed with other flags in our version, and stored in nybbles
Level *level;
// 4J - actual storage for data is now private with public methods to access it
private:
SparseDataStorage *lowerData; // 0 - 127
SparseDataStorage *upperData; // 128 - 255
public:
void setDataData(byteArray data); // Set data to that passed in in the input array of size 32768
void getDataData(byteArray data); // Sets data in passed in array of size 16384, from the data in this chunk
// DataLayer *data;
private:
// 4J - actual storage for sky & block lights is now private with new methods to be able to access it.
SparseLightStorage *lowerSkyLight; // 0 - 127
SparseLightStorage *upperSkyLight; // 128 - 255
SparseLightStorage *lowerBlockLight; // 0 - 127
SparseLightStorage *upperBlockLight; // 128 - 255
public:
void getSkyLightData(byteArray data); // Get a byte array of length 16384 ( 128 x 16 x 16 x 0.5 ), containing sky light data. Ordering same as java version.
void getBlockLightData(byteArray data); // Get a byte array of length 16384 ( 128 x 16 x 16 x 0.5 ), containing block light data. Ordering same as java version.
void setSkyLightData(byteArray data); // Set sky light data to data passed in input byte array of length 16384. This data must be in original (java version) order
void setBlockLightData(byteArray data); // Set block light data to data passed in input byte array of length 16384. This data must be in original (java version) order
void setSkyLightDataAllBright(); // Set sky light data to be all fully lit
bool isLowerBlockStorageCompressed();
int isLowerBlockLightStorageCompressed();
int isLowerDataStorageCompressed();
void writeCompressedBlockData(DataOutputStream *dos);
void writeCompressedDataData(DataOutputStream *dos);
void writeCompressedSkyLightData(DataOutputStream *dos);
void writeCompressedBlockLightData(DataOutputStream *dos);
void readCompressedBlockData(DataInputStream *dis);
void readCompressedDataData(DataInputStream *dis);
void readCompressedSkyLightData(DataInputStream *dis);
void readCompressedBlockLightData(DataInputStream *dis);
byteArray heightmap;
int minHeight;
int x, z;
private:
bool hasGapsToCheck;
public:
unordered_map<TilePos, shared_ptr<TileEntity>, TilePosKeyHash, TilePosKeyEq> tileEntities;
vector<shared_ptr<Entity> > **entityBlocks;
static const int sTerrainPopulatedFromHere = 2;
static const int sTerrainPopulatedFromW = 4;
static const int sTerrainPopulatedFromS = 8;
static const int sTerrainPopulatedFromSW = 16;
static const int sTerrainPopulatedAllAffecting = 30; // All the post-processing that can actually place tiles in this chunk are complete
static const int sTerrainPopulatedFromNW = 32;
static const int sTerrainPopulatedFromN = 64;
static const int sTerrainPopulatedFromNE = 128;
static const int sTerrainPopulatedFromE = 256;
static const int sTerrainPopulatedFromSE = 512;
static const int sTerrainPopulatedAllNeighbours = 1022; // The post-processing passes of all neighbours to this chunk are complete
static const int sTerrainPostPostProcessed = 1024; // This chunk has been post-post-processed, which is only done when all neighbours have been post-processed
short terrainPopulated; // 4J - changed from bool to bitfield within short
short *serverTerrainPopulated; // 4J added
void setUnsaved(bool unsaved); // 4J added
protected:
// 4J Stu - Stopped this being private so we can add some more logic to it
bool m_unsaved;
public:
bool dontSave;
bool lastSaveHadEntities;
#ifdef SHARING_ENABLED
bool sharingTilesAndData; // 4J added
#endif
bool emissiveAdded; // 4J added
void stopSharingTilesAndData(); // 4J added
virtual void reSyncLighting(); // 4J added
void startSharingTilesAndData(int forceMs = 0); // 4J added
int64_t lastUnsharedTime; // 4J added
int64_t lastSaveTime;
bool seenByPlayer;
int lowestHeightmap;
int64_t inhabitedTime;
#ifdef _LARGE_WORLDS
bool m_bUnloaded;
CompoundTag *m_unloadedEntitiesTag;
#endif
//static const int LIGHT_CHECK_MAX_POS = NUM_SECTIONS * 16 * 16;
private:
int checkLightPosition;
public:
virtual void init(Level *level, int x, int z);
LevelChunk(Level *level, int x, int z);
LevelChunk(Level *level, byteArray blocks, int x, int z);
LevelChunk(Level *level, int x, int z, LevelChunk *lc);
~LevelChunk();
virtual bool isAt(int x, int z);
virtual int getHeightmap(int x, int z);
int getHighestSectionPosition();
virtual void recalcBlockLights();
virtual void recalcHeightmapOnly();
virtual void recalcHeightmap();
virtual void lightLava();
private:
void lightGaps(int x, int z);
// 4J - changes for lighting brought forward from 1.8.2
public:
void recheckGaps(bool bForce = false); // 4J - added parameter, made public
private:
void lightGap(int x, int z, int source);
void lightGap(int x, int z, int y1, int y2);
void recalcHeight(int x, int yStart, int z);
public:
virtual int getTileLightBlock(int x, int y, int z);
virtual int getTile(int x, int y, int z);
virtual bool setTileAndData(int x, int y, int z, int _tile, int _data);
virtual bool setTile(int x, int y, int z, int _tile);
virtual int getData(int x, int y, int z);
virtual bool setData(int x, int y, int z, int val, int mask, bool *maskedBitsChanged); // 4J added mask
virtual int getBrightness(LightLayer::variety layer, int x, int y, int z);
virtual void getNeighbourBrightnesses(int *brightnesses, LightLayer::variety layer, int x, int y, int z); // 4J added
virtual void setBrightness(LightLayer::variety layer, int x, int y, int z, int brightness);
virtual int getRawBrightness(int x, int y, int z, int skyDampen);
virtual void addEntity(shared_ptr<Entity> e);
virtual void removeEntity(shared_ptr<Entity> e);
virtual void removeEntity(shared_ptr<Entity> e, int yc);
virtual bool isSkyLit(int x, int y, int z);
virtual void skyBrightnessChanged();
virtual shared_ptr<TileEntity> getTileEntity(int x, int y, int z);
virtual void addTileEntity(shared_ptr<TileEntity> te);
virtual void setTileEntity(int x, int y, int z, shared_ptr<TileEntity> tileEntity);
virtual void removeTileEntity(int x, int y, int z);
virtual void load();
virtual void unload(bool unloadTileEntities) ; // 4J - added parameter
virtual bool containsPlayer(); // 4J - added
#ifdef _LARGE_WORLDS
virtual bool isUnloaded();
#endif
virtual void markUnsaved();
virtual void getEntities(shared_ptr<Entity> except, AABB *bb, vector<shared_ptr<Entity> > &es, const EntitySelector *selector);
virtual void getEntitiesOfClass(const type_info& ec, AABB *bb, vector<shared_ptr<Entity> > &es, const EntitySelector *selector);
virtual int countEntities();
virtual bool shouldSave(bool force);
virtual int getBlocksAndData(byteArray *data, int x0, int y0, int z0, int x1, int y1, int z1, int p, bool includeLighting = true); // 4J - added includeLighting parameter
static void tileUpdatedCallback(int x, int y, int z, void *param, int yparam); // 4J added
virtual int setBlocksAndData(byteArray data, int x0, int y0, int z0, int x1, int y1, int z1, int p, bool includeLighting = true); // 4J - added includeLighting parameter
virtual bool testSetBlocksAndData(byteArray data, int x0, int y0, int z0, int x1, int y1, int z1, int p); // 4J added
virtual void setCheckAllLight();
virtual Random *getRandom(int64_t l);
virtual bool isEmpty();
virtual void attemptCompression();
#ifdef SHARING_ENABLED
static CRITICAL_SECTION m_csSharing; // 4J added
#endif
// 4J added
#ifdef _ENTITIES_RW_SECTION
static CRITICAL_RW_SECTION m_csEntities; // AP - we're using a RW critical so we can do multiple reads without contention
#else
static CRITICAL_SECTION m_csEntities;
#endif
static CRITICAL_SECTION m_csTileEntities; // 4J added
static void staticCtor();
void checkPostProcess(ChunkSource *source, ChunkSource *parent, int x, int z);
void checkChests(ChunkSource *source, int x, int z ); // 4J added
int getTopRainBlock(int x, int z); // 4J - optimisation brought forward from 1.8.2
void tick(); // 4J - lighting change brought forward from 1.8.2
ChunkPos *getPos();
bool isYSpaceEmpty(int y1, int y2);
void reloadBiomes(); // 4J added
virtual Biome *getBiome(int x, int z, BiomeSource *biomeSource);
byteArray getBiomes();
void setBiomes(byteArray biomes);
bool biomeHasRain(int x, int z); // 4J added
bool biomeHasSnow(int x, int z); // 4J added
private:
void updateBiomeFlags(int x, int z); // 4J added
public:
void compressLighting(); // 4J added
void compressBlocks(); // 4J added
void compressData(); // 4J added
int getHighestNonEmptyY();
byteArray getReorderedBlocksAndData(int x, int y, int z, int xs, int &ys, int zs);
static void reorderBlocksAndDataToXZY(int y0, int xs, int ys, int zs, byteArray *data);
#ifdef LIGHT_COMPRESSION_STATS
int getBlockLightPlanesLower() { return lowerBlockLight->count; }
int getSkyLightPlanesLower() { return lowerSkyLight->count; }
int getBlockLightPlanesUpper() { return upperBlockLight->count; }
int getSkyLightPlanesUpper() { return upperSkyLight->count; }
#endif
#ifdef DATA_COMPRESSION_STATS
int getDataPlanes() { return data->count; }
#endif
};