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

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package org.bukkit.craftbukkit.scoreboard;

import com.google.common.collect.ImmutableMap;
import net.minecraft.server.IScoreboardCriteria;
import net.minecraft.server.ScoreboardObjective;

import java.util.Map;

final class CraftCriteria {
  static final Map DEFAULTS;
  static final CraftCriteria DUMMY;

  static {
    ImmutableMap.Builder defaults = ImmutableMap.builder();

    for (Map.Entry entry : ((Map) IScoreboardCriteria.criteria).entrySet()) {
      String name = entry.getKey().toString();
      IScoreboardCriteria criteria = (IScoreboardCriteria) entry.getValue();

      defaults.put(name, new CraftCriteria(criteria));
    }

    DEFAULTS = defaults.build();
    DUMMY = DEFAULTS.get("dummy");
  }

  final IScoreboardCriteria criteria;
  final String bukkitName;

  private CraftCriteria(String bukkitName) {
    this.bukkitName = bukkitName;
    this.criteria = DUMMY.criteria;
  }

  private CraftCriteria(IScoreboardCriteria criteria) {
    this.criteria = criteria;
    this.bukkitName = criteria.getName();
  }

  static CraftCriteria getFromNMS(ScoreboardObjective objective) {
    return DEFAULTS.get(objective.getCriteria().getName());
  }

  static CraftCriteria getFromBukkit(String name) {
    final CraftCriteria criteria = DEFAULTS.get(name);
    if (criteria != null) {
      return criteria;
    }
    return new CraftCriteria(name);
  }

  @Override
  public boolean equals(Object that) {
    if (!(that instanceof CraftCriteria)) {
      return false;
    }
    return ((CraftCriteria) that).bukkitName.equals(this.bukkitName);
  }

  @Override
  public int hashCode() {
    return this.bukkitName.hashCode() ^ CraftCriteria.class.hashCode();
  }
}