Code/net/minecraft/world/level/LevelSettings.java

package net.minecraft.world.level;

import com.mojang.serialization.Dynamic;
import net.minecraft.world.Difficulty;

public final class LevelSettings {
    private final String levelName;
    private final GameType gameType;
    private final boolean hardcore;
    private final Difficulty difficulty;
    private final boolean allowCommands;
    private final GameRules gameRules;
    private final WorldDataConfiguration dataConfiguration;

    public LevelSettings(
        String p_250485_, GameType p_250207_, boolean p_251631_, Difficulty p_252122_, boolean p_248961_, GameRules p_248536_, WorldDataConfiguration p_249797_
    ) {
        this.levelName = p_250485_;
        this.gameType = p_250207_;
        this.hardcore = p_251631_;
        this.difficulty = p_252122_;
        this.allowCommands = p_248961_;
        this.gameRules = p_248536_;
        this.dataConfiguration = p_249797_;
    }

    public static LevelSettings parse(Dynamic<?> p_46925_, WorldDataConfiguration p_251697_) {
        GameType gametype = GameType.byId(p_46925_.get("GameType").asInt(0));
        return new LevelSettings(
            p_46925_.get("LevelName").asString(""),
            gametype,
            p_46925_.get("hardcore").asBoolean(false),
            p_46925_.get("Difficulty").asNumber().map(p_46928_ -> Difficulty.byId(p_46928_.byteValue())).result().orElse(Difficulty.NORMAL),
            p_46925_.get("allowCommands").asBoolean(gametype == GameType.CREATIVE),
            new GameRules(p_251697_.enabledFeatures(), p_46925_.get("GameRules")),
            p_251697_
        );
    }

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

    public GameType gameType() {
        return this.gameType;
    }

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

    public Difficulty difficulty() {
        return this.difficulty;
    }

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

    public GameRules gameRules() {
        return this.gameRules;
    }

    public WorldDataConfiguration getDataConfiguration() {
        return this.dataConfiguration;
    }

    public LevelSettings withGameType(GameType p_46923_) {
        return new LevelSettings(this.levelName, p_46923_, this.hardcore, this.difficulty, this.allowCommands, this.gameRules, this.dataConfiguration);
    }

    public LevelSettings withDifficulty(Difficulty p_46919_) {
        return new LevelSettings(this.levelName, this.gameType, this.hardcore, p_46919_, this.allowCommands, this.gameRules, this.dataConfiguration);
    }

    public LevelSettings withDataConfiguration(WorldDataConfiguration p_250867_) {
        return new LevelSettings(this.levelName, this.gameType, this.hardcore, this.difficulty, this.allowCommands, this.gameRules, p_250867_);
    }

    public LevelSettings copy() {
        return new LevelSettings(
            this.levelName, this.gameType, this.hardcore, this.difficulty, this.allowCommands, this.gameRules.copy(this.dataConfiguration.enabledFeatures()), this.dataConfiguration
        );
    }
}