Code/net/minecraft/world/level/storage/LevelVersion.java

package net.minecraft.world.level.storage;

import com.mojang.serialization.Dynamic;
import com.mojang.serialization.OptionalDynamic;
import net.minecraft.SharedConstants;

public class LevelVersion {
    private final int levelDataVersion;
    private final long lastPlayed;
    private final String minecraftVersionName;
    private final DataVersion minecraftVersion;
    private final boolean snapshot;

    private LevelVersion(int p_193023_, long p_193024_, String p_193025_, int p_193026_, String p_193027_, boolean p_193028_) {
        this.levelDataVersion = p_193023_;
        this.lastPlayed = p_193024_;
        this.minecraftVersionName = p_193025_;
        this.minecraftVersion = new DataVersion(p_193026_, p_193027_);
        this.snapshot = p_193028_;
    }

    public static LevelVersion parse(Dynamic<?> p_78391_) {
        int i = p_78391_.get("version").asInt(0);
        long j = p_78391_.get("LastPlayed").asLong(0L);
        OptionalDynamic<?> optionaldynamic = p_78391_.get("Version");
        return optionaldynamic.result().isPresent()
            ? new LevelVersion(
                i,
                j,
                optionaldynamic.get("Name").asString(SharedConstants.getCurrentVersion().getName()),
                optionaldynamic.get("Id").asInt(SharedConstants.getCurrentVersion().getDataVersion().getVersion()),
                optionaldynamic.get("Series").asString(DataVersion.MAIN_SERIES),
                optionaldynamic.get("Snapshot").asBoolean(!SharedConstants.getCurrentVersion().isStable())
            )
            : new LevelVersion(i, j, "", 0, DataVersion.MAIN_SERIES, false);
    }

    public int levelDataVersion() {
        return this.levelDataVersion;
    }

    public long lastPlayed() {
        return this.lastPlayed;
    }

    public String minecraftVersionName() {
        return this.minecraftVersionName;
    }

    public DataVersion minecraftVersion() {
        return this.minecraftVersion;
    }

    public boolean snapshot() {
        return this.snapshot;
    }
}