Method prune

src/main/java/baritone/process/MineProcess.java:429–469

(CalculationContext ctx, List<BlockPos> locs2, BlockOptionalMetaLookup filter, int max, List<BlockPos> blacklist, List<BlockPos> dropped)

    }

    private static List<BlockPos> prune(CalculationContext ctx, List<BlockPos> locs2, BlockOptionalMetaLookup filter, int max, List<BlockPos> blacklist, List<BlockPos> dropped) {
        dropped.removeIf(drop -> {
            for (BlockPos pos : locs2) {
                if (pos.distSqr(drop) <= 9 && filter.has(ctx.get(pos.getX(), pos.getY(), pos.getZ())) && MineProcess.plausibleToBreak(ctx, pos)) { // TODO maybe drop also has to be supported? no lava below?
                    return true;
                }
            }
            return false;
        });
        List<BlockPos> locs = locs2
                .stream()
                .distinct()

                // remove any that are within loaded chunks that aren't actually what we want
                .filter(pos -> !ctx.bsi.worldContainsLoadedChunk(pos.getX(), pos.getZ()) || filter.has(ctx.get(pos.getX(), pos.getY(), pos.getZ())) || dropped.contains(pos))

                // remove any that are implausible to mine (encased in bedrock, or touching lava)
                .filter(pos -> MineProcess.plausibleToBreak(ctx, pos))

                .filter(pos -> {
                    if (Baritone.settings().allowOnlyExposedOres.value) {
                        return isNextToAir(ctx, pos);
                    } else {
                        return true;
                    }
                })

                .filter(pos -> pos.getY() >= Baritone.settings().minYLevelWhileMining.value + ctx.world.dimensionType().minY())

                .filter(pos -> pos.getY() <= Baritone.settings().maxYLevelWhileMining.value)

                .filter(pos -> !blacklist.contains(pos))

                .sorted(Comparator.comparingDouble(ctx.getBaritone().getPlayerContext().player().blockPosition()::distSqr))
                .collect(Collectors.toList());

        if (locs.size() > max) {
            return locs.subList(0, max);
        }
        return locs;
    }

    public static boolean isNextToAir(CalculationContext ctx, BlockPos pos) {
        int radius = Baritone.settings().allowOnlyExposedOresDistance.value;