WorldGenerator.h

#pragma once
 
#include "mc/_HeaderOutputPredefine.h"
 
// auto generated inclusion list
#include "mc/deps/core/threading/InstancedThreadLocalValue.h"
#include "mc/deps/core/utility/buffer_span.h"
#include "mc/world/level/ChunkPos.h"
#include "mc/world/level/DividedPos2d.h"
#include "mc/world/level/chunk/ChunkSource.h"
#include "mc/world/level/levelgen/v1/IPreliminarySurfaceProvider.h"
 
// auto generated forward declare list
// clang-format off
class Biome;
class BiomeArea;
class BiomeSource;
class BlockPos;
class BlockSource;
class BlockVolume;
class BlockVolumeTarget;
class BoundingBox;
class Dimension;
class HashedString;
class LevelChunk;
class Random;
class StructureFeature;
class StructureFeatureRegistry;
namespace br::worldgen { class ChunkAccessor; }
namespace br::worldgen { class StructureInstance; }
namespace br::worldgen { struct ChunkStructureAccess; }
namespace br::worldgen { struct Structure; }
// clang-format on
 
class WorldGenerator : public ::ChunkSource, public ::IPreliminarySurfaceProvider {
public:
    // WorldGenerator inner types declare
    // clang-format off
    struct BlockVolumeDimensions;
    // clang-format on
 
    // WorldGenerator inner types define
    struct BlockVolumeDimensions {
    public:
        // member variables
        // NOLINTBEGIN
        ::ll::TypedStorage<4, 4, uint> mWidth;
        ::ll::TypedStorage<4, 4, uint> mDepth;
        ::ll::TypedStorage<4, 4, uint> mHeight;
        // NOLINTEND
    };
 
public:
    // member variables
    // NOLINTBEGIN
    ::ll::TypedStorage<8, 8, ::std::unique_ptr<::StructureFeatureRegistry>> mStructureFeatureRegistry;
    ::ll::TypedStorage<8, 80, ::std::mutex>                                 mCreateStructuresAndVisitedPositionsMutex;
    ::ll::TypedStorage<8, 72, ::std::condition_variable>                    mStructureInstanceWaitVar;
    ::ll::TypedStorage<4, 4, ::std::atomic<int>>                            mActiveStructureInstanceCreateCount;
    ::ll::TypedStorage<8, 64, ::std::unordered_set<::ChunkPos>>             mVisitedPositions;
    ::ll::TypedStorage<4, 4, ::Bedrock::Threading::InstancedThreadLocalValue<::br::worldgen::ChunkAccessor*>>
        mThreadLocalHeightmapProvider;
    // NOLINTEND
 
public:
    // prevent constructor by default
    WorldGenerator();
 
public:
    // virtual functions
    // NOLINTBEGIN
    virtual ~WorldGenerator() /*override*/;
 
    virtual ::HashedString findStructureFeatureTypeAt(::BlockPos const& pos);
 
    virtual bool isStructureFeatureTypeAt(::BlockPos const& pos, ::HashedString type) const;
 
    virtual bool findNearestStructureFeature(
        ::HashedString                  feature,
        ::BlockPos const&               origin,
        ::BlockPos&                     pos,
        bool                            mustBeInNewChunks,
        ::std::optional<::HashedString> biomeTag
    );
 
    virtual ::StructureFeature* getStructureFeatureOfType(::HashedString type) const;
 
    virtual void garbageCollectBlueprints(::buffer_span<::ChunkPos> activeChunks);
 
    virtual void prepareHeights(
        ::BlockVolume&        box,
        ::ChunkPos const&     chunkPos,
        ::std::vector<short>* ZXheights,
        bool                  factorInBeardsAndShavers
    ) = 0;
 
    virtual ::BiomeArea getBiomeArea(::BoundingBox const& area, uint scale) const = 0;
 
    virtual ::BiomeSource const& getBiomeSource() const = 0;
 
    virtual ::WorldGenerator::BlockVolumeDimensions getBlockVolumeDimensions() const = 0;
 
    virtual ::BlockPos findSpawnPosition() const = 0;
 
    virtual void
    postProcessMobsAt(::BlockSource& region, int chunkWestBlock, int chunkNorthBlock, ::Random& random) /*override*/;
 
    virtual void postProcessMobsAt(::BlockSource& region, ::BoundingBox const& chunkBB) const /*override*/;
 
    virtual ::std::optional<short> getPreliminarySurfaceLevel(::DividedPos2d<4> worldQuartPos) const /*override*/;
 
    virtual void debugRender();
 
    virtual void propagateCombinedChunkSource(::ChunkSource* chunkSource);
 
    virtual void decorateWorldGenLoadChunk(
        ::Biome const&       biome,
        ::LevelChunk&        lc,
        ::BlockVolumeTarget& target,
        ::Random&            random,
        ::ChunkPos const&    pos
    ) const = 0;
 
    virtual void decorateWorldGenPostProcess(
        ::Biome const& biome,
        ::LevelChunk&  lc,
        ::BlockSource& source,
        ::Random&      random
    ) const = 0;
 
    virtual ::std::shared_ptr<::br::worldgen::StructureInstance>
    _tryGetOrLoadStructureInstanceAt(::ChunkPos const& cp, ::br::worldgen::Structure const& structure) /*override*/;
    // NOLINTEND
 
public:
    // member functions
    // NOLINTBEGIN
    MCAPI explicit WorldGenerator(::Dimension& dimension);
 
    MCAPI
    WorldGenerator(::Dimension& dimension, ::std::unique_ptr<::StructureFeatureRegistry> structureFeatureRegistry);
 
    MCAPI bool _tryGenerateStructure(
        ::br::worldgen::Structure const&      structure,
        ::ChunkPos const&                     chunkPos,
        ::br::worldgen::ChunkStructureAccess& structureAccess
    );
 
    MCAPI void addHardcodedSpawnAreas(::LevelChunk& lc);
 
    MCAPI ::std::vector<short> computeChunkHeightMap(::ChunkPos const& pos);
 
    MCAPI void postProcessStructureFeatures(::BlockSource& region, ::Random& random, uint seed, int chunkX, int chunkZ);
 
    MCAPI void postProcessStructures(::BlockSource& region, ::Random&, int chunkX, int chunkZ);
 
    MCAPI void preProcessStructures(::Dimension& dimension, ::ChunkPos const& cp, ::BiomeSource const& biomeSource);
 
    MCAPI void prepareStructureFeatureBlueprints(
        ::Dimension&                         dimension,
        ::ChunkPos const&                    cp,
        ::BiomeSource const&                 biomeSource,
        ::IPreliminarySurfaceProvider const& preliminarySurfaceProvider
    );
 
#ifdef LL_PLAT_S
    MCAPI void tick();
#endif
 
    MCAPI void waitForStructures();
    // NOLINTEND
 
public:
    // constructor thunks
    // NOLINTBEGIN
    MCAPI void* $ctor(::Dimension& dimension);
 
    MCAPI void* $ctor(::Dimension& dimension, ::std::unique_ptr<::StructureFeatureRegistry> structureFeatureRegistry);
    // NOLINTEND
 
public:
    // destructor thunk
    // NOLINTBEGIN
    MCAPI void $dtor();
    // NOLINTEND
 
public:
    // virtual function thunks
    // NOLINTBEGIN
    MCAPI ::HashedString $findStructureFeatureTypeAt(::BlockPos const& pos);
 
    MCAPI bool $isStructureFeatureTypeAt(::BlockPos const& pos, ::HashedString type) const;
 
    MCAPI bool $findNearestStructureFeature(
        ::HashedString                  feature,
        ::BlockPos const&               origin,
        ::BlockPos&                     pos,
        bool                            mustBeInNewChunks,
        ::std::optional<::HashedString> biomeTag
    );
 
    MCAPI ::StructureFeature* $getStructureFeatureOfType(::HashedString type) const;
 
    MCAPI void $garbageCollectBlueprints(::buffer_span<::ChunkPos> activeChunks);
 
    MCAPI void $postProcessMobsAt(::BlockSource& region, int chunkWestBlock, int chunkNorthBlock, ::Random& random);
 
    MCAPI void $postProcessMobsAt(::BlockSource& region, ::BoundingBox const& chunkBB) const;
 
    MCAPI ::std::optional<short> $getPreliminarySurfaceLevel(::DividedPos2d<4> worldQuartPos) const;
 
    MCFOLD void $debugRender();
 
    MCFOLD void $propagateCombinedChunkSource(::ChunkSource* chunkSource);
 
    MCAPI ::std::shared_ptr<::br::worldgen::StructureInstance>
    $_tryGetOrLoadStructureInstanceAt(::ChunkPos const& cp, ::br::worldgen::Structure const& structure);
 
 
    // NOLINTEND
 
public:
    // vftables
    // NOLINTBEGIN
    MCNAPI static void** $vftableForIPreliminarySurfaceProvider();
 
    MCNAPI static void** $vftableForChunkSource();
    // NOLINTEND
};