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https://github.com/4jcraft/4jcraft.git
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156a23d744
The RW section code path was never compiled. Updated remaining comments to reflect mutex/lock terminology.
314 lines
12 KiB
C++
314 lines
12 KiB
C++
#pragma once
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#include <mutex>
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class DataLayer;
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class TileEntity;
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class Random;
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class ChunkSource;
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class EntitySelector;
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#include "Storage/SparseLightStorage.h"
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#include "Storage/CompressedTileStorage.h"
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#include "Storage/SparseDataStorage.h"
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#include "../Util/LightLayer.h"
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#include "../Entities/Entity.h"
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#include "Level.h"
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#define SHARING_ENABLED
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class TileCompressData_SPU;
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class LevelChunk {
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friend class TileCompressData_SPU;
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friend class LevelRenderer;
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public:
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byteArray biomes; // 4J Stu - Made public
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// 4J Stu - No longer static in 1.8.2
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const int ENTITY_BLOCKS_LENGTH;
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static const int BLOCKS_LENGTH = Level::CHUNK_TILE_COUNT; // 4J added
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static bool touchedSky;
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enum EColumnFlag {
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eColumnFlag_recheck = 1,
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eColumnFlag_biomeOk = 2,
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eColumnFlag_biomeHasSnow = 4,
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eColumnFlag_biomeHasRain = 8,
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};
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// byteArray blocks;
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// 4J - actual storage for blocks is now private with public methods to
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// access it
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private:
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CompressedTileStorage* lowerBlocks; // 0 - 127
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CompressedTileStorage* upperBlocks; // 128 - 255
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public:
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bool isRenderChunkEmpty(int y);
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void setBlockData(byteArray data); // Set block data to that passed in in
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// the input array of size 32768
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void getBlockData(
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byteArray data); // Sets data in passed in array of size 32768, from
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// the block data in this chunk
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int getBlocksAllocatedSize(int* count0, int* count1, int* count2,
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int* count4, int* count8);
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bool loaded;
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unsigned char
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rainHeights[16 * 16]; // 4J - optimisation brought forward from 1.8.2
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// (was int arrayb in java though)
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unsigned char columnFlags[16 * 8]; // 4J - lighting update brought forward
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// from 1.8.2, was a bool array but now
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// mixed with other flags in our
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// version, and stored in nybbles
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Level* level;
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// 4J - actual storage for data is now private with public methods to access
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// it
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private:
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SparseDataStorage* lowerData; // 0 - 127
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SparseDataStorage* upperData; // 128 - 255
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public:
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void setDataData(byteArray data); // Set data to that passed in in the
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// input array of size 32768
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void getDataData(byteArray data); // Sets data in passed in array of size
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// 16384, from the data in this chunk
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// DataLayer *data;
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private:
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// 4J - actual storage for sky & block lights is now private with new
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// methods to be able to access it.
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SparseLightStorage* lowerSkyLight; // 0 - 127
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SparseLightStorage* upperSkyLight; // 128 - 255
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SparseLightStorage* lowerBlockLight; // 0 - 127
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SparseLightStorage* upperBlockLight; // 128 - 255
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public:
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void getSkyLightData(
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byteArray
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data); // Get a byte array of length 16384 ( 128 x 16 x 16 x 0.5 ),
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// containing sky light data. Ordering same as java version.
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void getBlockLightData(
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byteArray data); // Get a byte array of length 16384 ( 128 x 16 x 16 x
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// 0.5 ), containing block light data. Ordering same
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// as java version.
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void setSkyLightData(
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byteArray data); // Set sky light data to data passed in input byte
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// array of length 16384. This data must be in
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// original (java version) order
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void setBlockLightData(
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byteArray data); // Set block light data to data passed in input byte
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// array of length 16384. This data must be in
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// original (java version) order
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void setSkyLightDataAllBright(); // Set sky light data to be all fully lit
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bool isLowerBlockStorageCompressed();
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int isLowerBlockLightStorageCompressed();
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int isLowerDataStorageCompressed();
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void writeCompressedBlockData(DataOutputStream* dos);
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void writeCompressedDataData(DataOutputStream* dos);
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void writeCompressedSkyLightData(DataOutputStream* dos);
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void writeCompressedBlockLightData(DataOutputStream* dos);
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void readCompressedBlockData(DataInputStream* dis);
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void readCompressedDataData(DataInputStream* dis);
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void readCompressedSkyLightData(DataInputStream* dis);
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void readCompressedBlockLightData(DataInputStream* dis);
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byteArray heightmap;
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int minHeight;
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int x, z;
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private:
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bool hasGapsToCheck;
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public:
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std::unordered_map<TilePos, std::shared_ptr<TileEntity>, TilePosKeyHash,
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TilePosKeyEq>
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tileEntities;
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std::vector<std::shared_ptr<Entity> >** entityBlocks;
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static const int sTerrainPopulatedFromHere = 2;
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static const int sTerrainPopulatedFromW = 4;
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static const int sTerrainPopulatedFromS = 8;
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static const int sTerrainPopulatedFromSW = 16;
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static const int sTerrainPopulatedAllAffecting =
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30; // All the post-processing that can actually place tiles in this
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// chunk are complete
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static const int sTerrainPopulatedFromNW = 32;
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static const int sTerrainPopulatedFromN = 64;
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static const int sTerrainPopulatedFromNE = 128;
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static const int sTerrainPopulatedFromE = 256;
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static const int sTerrainPopulatedFromSE = 512;
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static const int sTerrainPopulatedAllNeighbours =
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1022; // The post-processing passes of all neighbours to this chunk are
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// complete
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static const int sTerrainPostPostProcessed =
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1024; // This chunk has been post-post-processed, which is only done
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// when all neighbours have been post-processed
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short terrainPopulated; // 4J - changed from bool to bitfield within short
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short* serverTerrainPopulated; // 4J added
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void setUnsaved(bool unsaved); // 4J added
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protected:
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// 4J Stu - Stopped this being private so we can add some more logic to it
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bool m_unsaved;
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public:
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bool dontSave;
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bool lastSaveHadEntities;
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#if defined(SHARING_ENABLED)
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bool sharingTilesAndData; // 4J added
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#endif
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bool emissiveAdded; // 4J added
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void stopSharingTilesAndData(); // 4J added
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virtual void reSyncLighting(); // 4J added
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void startSharingTilesAndData(int forceMs = 0); // 4J added
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int64_t lastUnsharedTime; // 4J added
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int64_t lastSaveTime;
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bool seenByPlayer;
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int lowestHeightmap;
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int64_t inhabitedTime;
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#if defined(_LARGE_WORLDS)
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bool m_bUnloaded;
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CompoundTag* m_unloadedEntitiesTag;
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#endif
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// static const int LIGHT_CHECK_MAX_POS = NUM_SECTIONS * 16 * 16;
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private:
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int checkLightPosition;
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public:
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virtual void init(Level* level, int x, int z);
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LevelChunk(Level* level, int x, int z);
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LevelChunk(Level* level, byteArray blocks, int x, int z);
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LevelChunk(Level* level, int x, int z, LevelChunk* lc);
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virtual ~LevelChunk();
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virtual bool isAt(int x, int z);
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virtual int getHeightmap(int x, int z);
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int getHighestSectionPosition();
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virtual void recalcBlockLights();
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virtual void recalcHeightmapOnly();
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virtual void recalcHeightmap();
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virtual void lightLava();
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private:
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void lightGaps(int x, int z);
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// 4J - changes for lighting brought forward from 1.8.2
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public:
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void recheckGaps(bool bForce = false); // 4J - added parameter, made public
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private:
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void lightGap(int x, int z, int source);
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void lightGap(int x, int z, int y1, int y2);
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void recalcHeight(int x, int yStart, int z);
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public:
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virtual int getTileLightBlock(int x, int y, int z);
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virtual int getTile(int x, int y, int z);
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virtual bool setTileAndData(int x, int y, int z, int _tile, int _data);
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virtual bool setTile(int x, int y, int z, int _tile);
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virtual int getData(int x, int y, int z);
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virtual bool setData(int x, int y, int z, int val, int mask,
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bool* maskedBitsChanged); // 4J added mask
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virtual int getBrightness(LightLayer::variety layer, int x, int y, int z);
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virtual void getNeighbourBrightnesses(int* brightnesses,
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LightLayer::variety layer, int x,
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int y, int z); // 4J added
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virtual void setBrightness(LightLayer::variety layer, int x, int y, int z,
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int brightness);
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virtual int getRawBrightness(int x, int y, int z, int skyDampen);
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virtual void addEntity(std::shared_ptr<Entity> e);
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virtual void removeEntity(std::shared_ptr<Entity> e);
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virtual void removeEntity(std::shared_ptr<Entity> e, int yc);
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virtual bool isSkyLit(int x, int y, int z);
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virtual void skyBrightnessChanged();
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virtual std::shared_ptr<TileEntity> getTileEntity(int x, int y, int z);
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virtual void addTileEntity(std::shared_ptr<TileEntity> te);
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virtual void setTileEntity(int x, int y, int z,
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std::shared_ptr<TileEntity> tileEntity);
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virtual void removeTileEntity(int x, int y, int z);
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virtual void load();
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virtual void unload(bool unloadTileEntities); // 4J - added parameter
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virtual bool containsPlayer(); // 4J - added
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#if defined(_LARGE_WORLDS)
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virtual bool isUnloaded();
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#endif
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virtual void markUnsaved();
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virtual void getEntities(std::shared_ptr<Entity> except, AABB* bb,
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std::vector<std::shared_ptr<Entity> >& es,
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const EntitySelector* selector);
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virtual void getEntitiesOfClass(const std::type_info& ec, AABB* bb,
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std::vector<std::shared_ptr<Entity> >& es,
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const EntitySelector* selector);
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virtual int countEntities();
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virtual bool shouldSave(bool force);
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virtual int getBlocksAndData(
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byteArray* data, int x0, int y0, int z0, int x1, int y1, int z1, int p,
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bool includeLighting = true); // 4J - added includeLighting parameter
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static void tileUpdatedCallback(int x, int y, int z, void* param,
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int yparam); // 4J added
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virtual int setBlocksAndData(
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byteArray data, int x0, int y0, int z0, int x1, int y1, int z1, int p,
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bool includeLighting = true); // 4J - added includeLighting parameter
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virtual bool testSetBlocksAndData(byteArray data, int x0, int y0, int z0,
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int x1, int y1, int z1,
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int p); // 4J added
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virtual void setCheckAllLight();
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virtual Random* getRandom(int64_t l);
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virtual bool isEmpty();
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virtual void attemptCompression();
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#if defined(SHARING_ENABLED)
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static std::recursive_mutex m_csSharing; // 4J added
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#endif
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// 4J added
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static std::recursive_mutex m_csEntities;
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static std::recursive_mutex m_csTileEntities; // 4J added
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static void staticCtor();
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void checkPostProcess(ChunkSource* source, ChunkSource* parent, int x,
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int z);
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void checkChests(ChunkSource* source, int x, int z); // 4J added
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int getTopRainBlock(int x,
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int z); // 4J - optimisation brought forward from 1.8.2
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void tick(); // 4J - lighting change brought forward from 1.8.2
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ChunkPos* getPos();
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bool isYSpaceEmpty(int y1, int y2);
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void reloadBiomes(); // 4J added
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virtual Biome* getBiome(int x, int z, BiomeSource* biomeSource);
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byteArray getBiomes();
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void setBiomes(byteArray biomes);
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bool biomeHasRain(int x, int z); // 4J added
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bool biomeHasSnow(int x, int z); // 4J added
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private:
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void updateBiomeFlags(int x, int z); // 4J added
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public:
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void compressLighting(); // 4J added
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void compressBlocks(); // 4J added
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void compressData(); // 4J added
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int getHighestNonEmptyY();
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byteArray getReorderedBlocksAndData(int x, int y, int z, int xs, int& ys,
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int zs);
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static void reorderBlocksAndDataToXZY(int y0, int xs, int ys, int zs,
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byteArray* data);
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#if defined(LIGHT_COMPRESSION_STATS)
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int getBlockLightPlanesLower() { return lowerBlockLight->count; }
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int getSkyLightPlanesLower() { return lowerSkyLight->count; }
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int getBlockLightPlanesUpper() { return upperBlockLight->count; }
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int getSkyLightPlanesUpper() { return upperSkyLight->count; }
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#endif
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#if defined(DATA_COMPRESSION_STATS)
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int getDataPlanes() { return data->count; }
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#endif
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};
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