package net.minecraft.server.level;

import net.minecraft.core.SectionPos;
import net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint;

public abstract class SectionTracker extends DynamicGraphMinFixedPoint {
    protected SectionTracker(int p_8274_, int p_8275_, int p_8276_) {
        super(p_8274_, p_8275_, p_8276_);
    }

    @Override
    protected void checkNeighborsAfterUpdate(long p_8280_, int p_8281_, boolean p_8282_) {
        if (!p_8282_ || p_8281_ < this.levelCount - 2) {
            for (int i = -1; i <= 1; i++) {
                for (int j = -1; j <= 1; j++) {
                    for (int k = -1; k <= 1; k++) {
                        long l = SectionPos.offset(p_8280_, i, j, k);
                        if (l != p_8280_) {
                            this.checkNeighbor(p_8280_, l, p_8281_, p_8282_);
                        }
                    }
                }
            }
        }
    }

    @Override
    protected int getComputedLevel(long p_8284_, long p_8285_, int p_8286_) {
        int i = p_8286_;

        for (int j = -1; j <= 1; j++) {
            for (int k = -1; k <= 1; k++) {
                for (int l = -1; l <= 1; l++) {
                    long i1 = SectionPos.offset(p_8284_, j, k, l);
                    if (i1 == p_8284_) {
                        i1 = Long.MAX_VALUE;
                    }

                    if (i1 != p_8285_) {
                        int j1 = this.computeLevelFromNeighbor(i1, p_8284_, this.getLevel(i1));
                        if (i > j1) {
                            i = j1;
                        }

                        if (i == 0) {
                            return i;
                        }
                    }
                }
            }
        }

        return i;
    }

    @Override
    protected int computeLevelFromNeighbor(long p_8293_, long p_8294_, int p_8295_) {
        return this.isSource(p_8293_) ? this.getLevelFromSource(p_8294_) : p_8295_ + 1;
    }

    protected abstract int getLevelFromSource(long p_8287_);

    public void update(long p_8289_, int p_8290_, boolean p_8291_) {
        this.checkEdge(Long.MAX_VALUE, p_8289_, p_8290_, p_8291_);
    }
}