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Util.java
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Util.java
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package net.citizensnpcs.util;
import java.util.EnumSet;
import java.util.Random;
import java.util.Set;
import java.util.UUID;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.event.player.PlayerInteractEntityEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.scoreboard.Scoreboard;
import org.bukkit.util.Vector;
import com.google.common.base.Joiner;
import com.google.common.base.Splitter;
import net.citizensnpcs.api.event.NPCCollisionEvent;
import net.citizensnpcs.api.event.NPCPushEvent;
import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.api.util.BoundingBox;
import net.citizensnpcs.api.util.SpigotUtil;
public class Util {
private Util() {
}
public static void callCollisionEvent(NPC npc, Entity entity) {
if (NPCCollisionEvent.getHandlerList().getRegisteredListeners().length > 0) {
Bukkit.getPluginManager().callEvent(new NPCCollisionEvent(npc, entity));
}
}
public static Vector callPushEvent(NPC npc, double x, double y, double z) {
if (npc == null) {
return new Vector(x, y, z);
}
boolean allowed = !npc.isProtected()
|| (npc.data().has(NPC.COLLIDABLE_METADATA) && npc.data().<Boolean> get(NPC.COLLIDABLE_METADATA));
if (NPCPushEvent.getHandlerList().getRegisteredListeners().length == 0) {
return allowed ? new Vector(x, y, z) : null;
}
// when another entity collides, this method is called to push the NPC so we prevent it from
// doing anything if the event is cancelled.
Vector vector = new Vector(x, y, z);
NPCPushEvent event = new NPCPushEvent(npc, vector);
event.setCancelled(!allowed);
Bukkit.getPluginManager().callEvent(event);
return !event.isCancelled() ? event.getCollisionVector() : null;
}
/**
* Clamps the rotation angle to [-180, 180]
*/
public static float clamp(float angle) {
while (angle < -180.0F) {
angle += 360.0F;
}
while (angle >= 180.0F) {
angle -= 360.0F;
}
return angle;
}
public static void face(Entity entity, float yaw, float pitch) {
double pitchCos = Math.cos(Math.toRadians(pitch));
Vector vector = new Vector(Math.sin(Math.toRadians(yaw)) * -pitchCos, -Math.sin(Math.toRadians(pitch)),
Math.cos(Math.toRadians(yaw)) * pitchCos).normalize();
faceLocation(entity, entity.getLocation(AT_LOCATION).clone().add(vector));
}
public static void faceEntity(Entity entity, Entity to) {
if (to == null || entity == null || entity.getWorld() != to.getWorld())
return;
if (to instanceof LivingEntity) {
NMS.look(entity, to);
} else {
faceLocation(entity, to.getLocation(AT_LOCATION));
}
}
public static void faceLocation(Entity entity, Location to) {
faceLocation(entity, to, false);
}
public static void faceLocation(Entity entity, Location to, boolean headOnly) {
faceLocation(entity, to, headOnly, true);
}
public static void faceLocation(Entity entity, Location to, boolean headOnly, boolean immediate) {
if (to == null || entity.getWorld() != to.getWorld())
return;
NMS.look(entity, to, headOnly, immediate);
}
public static Location getCenterLocation(Block block) {
Location bloc = block.getLocation(AT_LOCATION);
Location center = new Location(bloc.getWorld(), bloc.getBlockX() + 0.5, bloc.getBlockY(),
bloc.getBlockZ() + 0.5);
BoundingBox bb = NMS.getCollisionBox(block);
if (bb != null && (bb.maxY - bb.minY) < 0.6D) {
center.setY(center.getY() + (bb.maxY - bb.minY));
}
return center;
}
/**
* Returns the yaw to face along the given velocity (corrected for dragon yaw i.e. facing backwards)
*/
public static float getDragonYaw(Entity entity, double motX, double motZ) {
Location location = entity.getLocation(AT_LOCATION);
double x = location.getX();
double z = location.getZ();
double tX = x + motX;
double tZ = z + motZ;
if (z > tZ)
return (float) (-Math.toDegrees(Math.atan((x - tX) / (z - tZ))));
if (z < tZ) {
return (float) (-Math.toDegrees(Math.atan((x - tX) / (z - tZ)))) + 180.0F;
}
return location.getYaw();
}
public static Scoreboard getDummyScoreboard() {
return DUMMY_SCOREBOARD;
}
public static Location getEyeLocation(Entity entity) {
return entity instanceof LivingEntity ? ((LivingEntity) entity).getEyeLocation() : entity.getLocation();
}
public static Material getFallbackMaterial(String first, String second) {
try {
return Material.valueOf(first);
} catch (IllegalArgumentException e) {
return Material.valueOf(second);
}
}
public static Random getFastRandom() {
return new XORShiftRNG();
}
public static String getMinecraftRevision() {
if (MINECRAFT_REVISION == null) {
MINECRAFT_REVISION = Bukkit.getServer().getClass().getPackage().getName();
}
return MINECRAFT_REVISION.substring(MINECRAFT_REVISION.lastIndexOf('.') + 2);
}
public static String getTeamName(UUID id) {
return "CIT-" + id.toString().replace("-", "").substring(0, 12);
}
public static boolean inBlock(Entity entity) {
// TODO: bounding box aware?
Location loc = entity.getLocation(AT_LOCATION);
if (!Util.isLoaded(loc)) {
return false;
}
Block in = loc.getBlock();
Block above = in.getRelative(BlockFace.UP);
return in.getType().isSolid() && above.getType().isSolid() && NMS.isSolid(in) && NMS.isSolid(above);
}
public static boolean isAlwaysFlyable(EntityType type) {
if (type.name().toLowerCase().equals("vex") || type.name().toLowerCase().equals("parrot")
|| type.name().toLowerCase().equals("allay") || type.name().toLowerCase().equals("bee")
|| type.name().toLowerCase().equals("phantom"))
// 1.8.8 compatibility
return true;
switch (type) {
case BAT:
case BLAZE:
case ENDER_DRAGON:
case GHAST:
case WITHER:
return true;
default:
return false;
}
}
public static boolean isHorse(EntityType type) {
String name = type.name();
return type == EntityType.HORSE || name.contains("_HORSE") || name.equals("DONKEY") || name.equals("MULE")
|| name.equals("LLAMA") || name.equals("TRADER_LLAMA");
}
public static boolean isLoaded(Location location) {
if (location.getWorld() == null)
return false;
int chunkX = location.getBlockX() >> 4;
int chunkZ = location.getBlockZ() >> 4;
return location.getWorld().isChunkLoaded(chunkX, chunkZ);
}
public static boolean isOffHand(PlayerInteractEntityEvent event) {
try {
return event.getHand() == org.bukkit.inventory.EquipmentSlot.OFF_HAND;
} catch (NoSuchMethodError e) {
return false;
} catch (NoSuchFieldError e) {
return false;
}
}
public static boolean isOffHand(PlayerInteractEvent event) {
try {
return event.getHand() == org.bukkit.inventory.EquipmentSlot.OFF_HAND;
} catch (NoSuchMethodError e) {
return false;
} catch (NoSuchFieldError e) {
return false;
}
}
public static String listValuesPretty(Enum<?>[] values) {
return "<e>" + Joiner.on("<a>, <e>").join(values).toLowerCase();
}
public static boolean locationWithinRange(Location current, Location target, double range) {
if (current == null || target == null)
return false;
if (current.getWorld() != target.getWorld())
return false;
return current.distance(target) <= range;
}
public static EntityType matchEntityType(String toMatch) {
return matchEnum(EntityType.values(), toMatch);
}
public static <T extends Enum<?>> T matchEnum(T[] values, String toMatch) {
toMatch = toMatch.toLowerCase().replace('-', '_').replace(' ', '_');
for (T check : values) {
if (toMatch.equals(check.name().toLowerCase())
|| (toMatch.equals("item") && check == EntityType.DROPPED_ITEM)) {
return check; // check for an exact match first
}
}
for (T check : values) {
String name = check.name().toLowerCase();
if (name.replace("_", "").equals(toMatch) || name.startsWith(toMatch)) {
return check;
}
}
return null;
}
public static boolean matchesItemInHand(Player player, String setting) {
String parts = setting;
if (parts.contains("*") || parts.isEmpty())
return true;
for (String part : Splitter.on(',').split(parts)) {
Material matchMaterial = SpigotUtil.isUsing1_13API() ? Material.matchMaterial(part, false)
: Material.matchMaterial(part);
if (matchMaterial == null) {
if (part.equals("280")) {
matchMaterial = Material.STICK;
} else if (part.equals("340")) {
matchMaterial = Material.BOOK;
}
}
if (matchMaterial == player.getInventory().getItemInHand().getType()) {
return true;
}
}
return false;
}
public static Set<EntityType> optionalEntitySet(String... types) {
Set<EntityType> list = EnumSet.noneOf(EntityType.class);
for (String type : types) {
try {
list.add(EntityType.valueOf(type));
} catch (IllegalArgumentException e) {
}
}
return list;
}
public static String prettyEnum(Enum<?> e) {
return e.name().toLowerCase().replace('_', ' ');
}
public static String prettyPrintLocation(Location to) {
return String.format("%s at %d, %d, %d (%d, %d)", to.getWorld().getName(), to.getBlockX(), to.getBlockY(),
to.getBlockZ(), (int) to.getYaw(), (int) to.getPitch());
}
/**
* Sets the entity's yaw and pitch directly including head yaw.
*/
public static void setRotation(Entity entity, float yaw, float pitch) {
NMS.look(entity, yaw, pitch);
}
private static final Location AT_LOCATION = new Location(null, 0, 0, 0);
private static final Scoreboard DUMMY_SCOREBOARD = Bukkit.getScoreboardManager().getNewScoreboard();
private static String MINECRAFT_REVISION;
}