Package net.minecraft.world.level.lighting

Class DynamicGraphMinFixedPoint

java.lang.Object
net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint
Direct Known Subclasses:
ChunkTracker, SectionTracker
public abstract class DynamicGraphMinFixedPoint extends Object

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final it.unimi.dsi.fastutil.longs.Long2ByteMap
    computedLevels
     
    private boolean
    hasWork
     
    protected final int
    levelCount
     
    private static final int
    NO_COMPUTED_LEVEL
     
    private final LeveledPriorityQueue
    priorityQueue
     
    static final long
    SOURCE
     

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    DynamicGraphMinFixedPoint(int firstQueuedLevel, int width, int height)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    private int
    calculatePriority(int oldLevel, int newLevel)
     
    protected void
    checkEdge(long fromPos, long toPos, int newLevel, boolean isDecreasing)
     
    private void
    checkEdge(long fromPos, long toPos, int newLevel, int previousLevel, int propagationLevel, boolean isDecreasing)
     
    protected final void
    checkNeighbor(long fromPos, long toPos, int sourceLevel, boolean isDecreasing)
     
    protected abstract void
    checkNeighborsAfterUpdate(long pos, int level, boolean isDecreasing)
     
    protected void
    checkNode(long levelPos)
     
    protected abstract int
    computeLevelFromNeighbor(long startPos, long endPos, int startLevel)
    Returns level propagated from start position with specified level to the neighboring end position.
    protected abstract int
    getComputedLevel(long pos, long excludedSourcePos, int level)
    Computes level propagated from neighbors of specified position with given existing level, excluding the given source position.
    protected abstract int
    getLevel(long chunkPos)
     
    int
    getQueueSize()
     
    protected final boolean
    hasWork()
     
    protected boolean
    isSource(long pos)
     
    protected void
    removeFromQueue(long position)
     
    void
    removeIf(LongPredicate predicate)
     
    protected final int
    runUpdates(int toUpdateCount)
     
    protected abstract void
    setLevel(long chunkPos, int level)
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • SOURCE

      public static final long SOURCE
      See Also:

    • NO_COMPUTED_LEVEL

      private static final int NO_COMPUTED_LEVEL
      See Also:

    • levelCount

      protected final int levelCount

    • priorityQueue

      private final LeveledPriorityQueue priorityQueue

    • computedLevels

      private final it.unimi.dsi.fastutil.longs.Long2ByteMap computedLevels

    • hasWork

      private volatile boolean hasWork

  • Constructor Details

    • DynamicGraphMinFixedPoint

      protected DynamicGraphMinFixedPoint(int firstQueuedLevel, int width, int height)

  • Method Details

    • removeFromQueue

      protected void removeFromQueue(long position)

    • removeIf

      public void removeIf(LongPredicate predicate)

    • calculatePriority

      private int calculatePriority(int oldLevel, int newLevel)

    • checkNode

      protected void checkNode(long levelPos)

    • checkEdge

      protected void checkEdge(long fromPos, long toPos, int newLevel, boolean isDecreasing)

    • checkEdge

      private void checkEdge(long fromPos, long toPos, int newLevel, int previousLevel, int propagationLevel, boolean isDecreasing)

    • checkNeighbor

      protected final void checkNeighbor(long fromPos, long toPos, int sourceLevel, boolean isDecreasing)

    • hasWork

      protected final boolean hasWork()

    • runUpdates

      protected final int runUpdates(int toUpdateCount)

    • getQueueSize

      public int getQueueSize()

    • isSource

      protected boolean isSource(long pos)

    • getComputedLevel

      protected abstract int getComputedLevel(long pos, long excludedSourcePos, int level)
      Computes level propagated from neighbors of specified position with given existing level, excluding the given source position.

    • checkNeighborsAfterUpdate

      protected abstract void checkNeighborsAfterUpdate(long pos, int level, boolean isDecreasing)

    • getLevel

      protected abstract int getLevel(long chunkPos)

    • setLevel

      protected abstract void setLevel(long chunkPos, int level)

    • computeLevelFromNeighbor

      protected abstract int computeLevelFromNeighbor(long startPos, long endPos, int startLevel)
      Returns level propagated from start position with specified level to the neighboring end position.