org.bukkit.craftbukkit.scoreboard.CraftObjective Maven / Gradle / Ivy

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package org.bukkit.craftbukkit.scoreboard;

import net.minecraft.server.Scoreboard;
import net.minecraft.server.ScoreboardObjective;
import org.apache.commons.lang.Validate;
import org.bukkit.OfflinePlayer;
import org.bukkit.scoreboard.DisplaySlot;
import org.bukkit.scoreboard.Objective;
import org.bukkit.scoreboard.Score;

import java.util.Objects;

final class CraftObjective extends CraftScoreboardComponent implements Objective {
  private final ScoreboardObjective objective;
  private final CraftCriteria criteria;

  CraftObjective(CraftScoreboard scoreboard, ScoreboardObjective objective) {
    super(scoreboard);
    this.objective = objective;
    this.criteria = CraftCriteria.getFromNMS(objective);
  }

  ScoreboardObjective getHandle() {
    return objective;
  }

  public String getName() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();

    return objective.getName();
  }

  public String getDisplayName() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();

    return objective.getDisplayName();
  }

  public void setDisplayName(String displayName) throws IllegalStateException, IllegalArgumentException {
    Validate.notNull(displayName, "Display name cannot be null");
    Validate.isTrue(displayName.length() <= 120, "Display name '" + displayName + "' is longer than the limit of 32 characters");
    CraftScoreboard scoreboard = checkState();

    objective.setDisplayName(displayName);
  }

  public String getCriteria() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();

    return criteria.bukkitName;
  }

  public boolean isModifiable() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();

    return !criteria.criteria.isReadOnly();
  }

  public DisplaySlot getDisplaySlot() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();
    Scoreboard board = scoreboard.board;
    ScoreboardObjective objective = this.objective;

    for (int i = 0; i < CraftScoreboardTranslations.MAX_DISPLAY_SLOT; i++) {
      if (board.getObjectiveForSlot(i) == objective) {
        return CraftScoreboardTranslations.toBukkitSlot(i);
      }
    }
    return null;
  }

  public void setDisplaySlot(DisplaySlot slot) throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();
    Scoreboard board = scoreboard.board;
    ScoreboardObjective objective = this.objective;

    for (int i = 0; i < CraftScoreboardTranslations.MAX_DISPLAY_SLOT; i++) {
      if (board.getObjectiveForSlot(i) == objective) {
        board.setDisplaySlot(i, null);
      }
    }
    if (slot != null) {
      int slotNumber = CraftScoreboardTranslations.fromBukkitSlot(slot);
      board.setDisplaySlot(slotNumber, getHandle());
    }
  }

  public Score getScore(OfflinePlayer player) throws IllegalArgumentException, IllegalStateException {
    Validate.notNull(player, "Player cannot be null");
    CraftScoreboard scoreboard = checkState();

    return new CraftScore(this, player.getName());
  }

  public Score getScore(String entry) throws IllegalArgumentException, IllegalStateException {
    Validate.notNull(entry, "Entry cannot be null");
    if (entry.length() > 120) throw new IllegalArgumentException("Entry cannot be longer than 40 characters!"); // Spigot
    CraftScoreboard scoreboard = checkState();

    return new CraftScore(this, entry);
  }

  @Override
  public void unregister() throws IllegalStateException {
    CraftScoreboard scoreboard = checkState();

    scoreboard.board.unregisterObjective(objective);
  }

  @Override
  CraftScoreboard checkState() throws IllegalStateException {
    if (getScoreboard().board.getObjective(objective.getName()) == null) {
      throw new IllegalStateException("Unregistered scoreboard component");
    }

    return getScoreboard();
  }

  @Override
  public int hashCode() {
    int hash = 7;
    hash = 31 * hash + (this.objective != null ? this.objective.hashCode() : 0);
    return hash;
  }

  @Override
  public boolean equals(Object obj) {
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final CraftObjective other = (CraftObjective) obj;
    return Objects.equals(this.objective, other.objective);
  }


}