net.minecraft.server.GenericAttributes Maven / Gradle / Ivy

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package net.minecraft.server;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Collection;
import java.util.UUID;

public class GenericAttributes {

  // Spigot start
  public static final IAttribute MAX_HEALTH = new AttributeRanged(null, "generic.maxHealth", 20.0D, 0.1D, org.spigotmc.SpigotConfig.maxHealth).a("Max Health").a(true);
  public static final IAttribute FOLLOW_RANGE = new AttributeRanged(null, "generic.followRange", 32.0D, 0.0D, 2048.0D).a("Follow Range");
  public static final IAttribute KNOCKBACK_RESISTANCE = new AttributeRanged(null, "generic.knockbackResistance", 0.0D, 0.0D, 1.0D).a("Knockback Resistance");
  public static final IAttribute MOVEMENT_SPEED = new AttributeRanged(null, "generic.movementSpeed", 0.699999988079071D, 0.0D, org.spigotmc.SpigotConfig.movementSpeed).a("Movement Speed").a(true);
  public static final IAttribute ATTACK_DAMAGE = new AttributeRanged(null, "generic.attackDamage", 2.0D, 0.0D, org.spigotmc.SpigotConfig.attackDamage);
  private static final Logger f = LogManager.getLogger();
  // Spigot end

  public static NBTTagList a(AttributeMapBase attributes) {
    NBTTagList nbttaglist = new NBTTagList();

    for (AttributeInstance attributeinstance : attributes.a()) {
      nbttaglist.add(a(attributeinstance));
    }

    return nbttaglist;
  }

  private static NBTTagCompound a(AttributeInstance attribute) {
    NBTTagCompound nbttagcompound = new NBTTagCompound();
    IAttribute iattribute = attribute.getAttribute();

    nbttagcompound.setString("Name", iattribute.getName());
    nbttagcompound.setDouble("Base", attribute.b());
    Collection collection = attribute.c();

    if (collection != null && !collection.isEmpty()) {
      NBTTagList nbttaglist = new NBTTagList();

      for (AttributeModifier attributemodifier : collection) {
        if (attributemodifier.e()) {
          nbttaglist.add(a(attributemodifier));
        }
      }

      nbttagcompound.set("Modifiers", nbttaglist);
    }

    return nbttagcompound;
  }

  public static NBTTagCompound a(AttributeModifier attribute) {
    NBTTagCompound nbttagcompound = new NBTTagCompound();

    nbttagcompound.setString("Name", attribute.b());
    nbttagcompound.setDouble("Amount", attribute.d());
    nbttagcompound.setInt("Operation", attribute.c());
    nbttagcompound.setLong("UUIDMost", attribute.a().getMostSignificantBits());
    nbttagcompound.setLong("UUIDLeast", attribute.a().getLeastSignificantBits());
    return nbttagcompound;
  }

  public static void a(AttributeMapBase attributes, NBTTagList tag) {
    for (int i = 0; i < tag.size(); ++i) {
      NBTTagCompound nbttagcompound = tag.getCompound(i);
      AttributeInstance attributeinstance = attributes.a(nbttagcompound.getString("Name"));

      if (attributeinstance != null) {
        a(attributeinstance, nbttagcompound);
      } else {
        GenericAttributes.f.warn("Ignoring unknown attribute '" + nbttagcompound.getString("Name") + "'");
      }
    }

  }

  private static void a(AttributeInstance attribute, NBTTagCompound tag) {
    attribute.setValue(tag.getDouble("Base"));
    if (tag.hasKeyOfType("Modifiers", 9)) {
      NBTTagList nbttaglist = tag.getList("Modifiers", 10);

      for (int i = 0; i < nbttaglist.size(); ++i) {
        AttributeModifier attributemodifier = a(nbttaglist.getCompound(i));

        if (attributemodifier != null) {
          AttributeModifier attributemodifier1 = attribute.a(attributemodifier.a());

          if (attributemodifier1 != null) {
            attribute.c(attributemodifier1);
          }

          attribute.b(attributemodifier);
        }
      }
    }

  }

  public static AttributeModifier a(NBTTagCompound tag) {
    UUID uuid = new UUID(tag.getLong("UUIDMost"), tag.getLong("UUIDLeast"));

    try {
      return new AttributeModifier(uuid, tag.getString("Name"), tag.getDouble("Amount"), tag.getInt("Operation"));
    } catch (Exception exception) {
      GenericAttributes.f.warn("Unable to create attribute: " + exception.getMessage());
      return null;
    }
  }
}