425 lines
16 KiB
Java
425 lines
16 KiB
Java
package net.citizensnpcs.util;
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import java.text.DecimalFormat;
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import java.time.Duration;
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import java.util.Arrays;
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import java.util.EnumSet;
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import java.util.List;
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import java.util.Random;
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import java.util.Set;
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import java.util.UUID;
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import java.util.concurrent.TimeUnit;
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import java.util.function.Function;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.block.Block;
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import org.bukkit.block.BlockFace;
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import org.bukkit.entity.Entity;
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import org.bukkit.entity.EntityType;
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import org.bukkit.entity.LivingEntity;
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import org.bukkit.entity.Player;
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import org.bukkit.event.player.PlayerInteractEntityEvent;
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import org.bukkit.event.player.PlayerInteractEvent;
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import org.bukkit.inventory.ItemFlag;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.inventory.meta.ItemMeta;
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import org.bukkit.scoreboard.Scoreboard;
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import org.bukkit.util.Vector;
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import com.google.common.base.Joiner;
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import com.google.common.base.Splitter;
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import com.google.common.io.ByteArrayDataOutput;
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import com.google.common.io.ByteStreams;
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import net.citizensnpcs.api.CitizensAPI;
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import net.citizensnpcs.api.event.NPCCollisionEvent;
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import net.citizensnpcs.api.event.NPCPushEvent;
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import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.api.util.BoundingBox;
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import net.citizensnpcs.api.util.Messaging;
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import net.citizensnpcs.api.util.Placeholders;
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import net.citizensnpcs.api.util.SpigotUtil;
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import net.md_5.bungee.api.ChatColor;
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public class Util {
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private Util() {
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}
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public static void callCollisionEvent(NPC npc, Entity entity) {
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if (NPCCollisionEvent.getHandlerList().getRegisteredListeners().length > 0) {
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Bukkit.getPluginManager().callEvent(new NPCCollisionEvent(npc, entity));
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}
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}
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public static Vector callPushEvent(NPC npc, double x, double y, double z) {
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boolean allowed = npc == null || !npc.isProtected()
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|| (npc.data().has(NPC.Metadata.COLLIDABLE) && npc.data().<Boolean> get(NPC.Metadata.COLLIDABLE));
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if (NPCPushEvent.getHandlerList().getRegisteredListeners().length == 0) {
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return allowed ? new Vector(x, y, z) : null;
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}
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// when another entity collides, this method is called to push the NPC so we prevent it from
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// doing anything if the event is cancelled.
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Vector vector = new Vector(x, y, z);
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NPCPushEvent event = new NPCPushEvent(npc, vector);
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event.setCancelled(!allowed);
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Bukkit.getPluginManager().callEvent(event);
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return !event.isCancelled() ? event.getCollisionVector() : null;
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}
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/**
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* Clamps the rotation angle to [-180, 180]
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*/
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public static float clamp(float angle) {
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while (angle < -180.0F) {
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angle += 360.0F;
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}
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while (angle >= 180.0F) {
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angle -= 360.0F;
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}
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return angle;
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}
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public static float clamp(float angle, float min, float max, float d) {
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while (angle < min) {
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angle += d;
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}
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while (angle >= max) {
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angle -= d;
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}
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return angle;
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}
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public static ItemStack createItem(Material mat, String name) {
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return createItem(mat, name, null);
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}
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public static ItemStack createItem(Material mat, String name, String description) {
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ItemStack stack = new ItemStack(mat, 1);
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ItemMeta meta = stack.getItemMeta();
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meta.setDisplayName(ChatColor.RESET + Messaging.parseComponents(name));
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if (description != null) {
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meta.setLore(Arrays.asList(Messaging.parseComponents(description).split("\n")));
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}
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meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
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stack.setItemMeta(meta);
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return stack;
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}
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public static ItemStack editTitle(ItemStack item, Function<String, String> transform) {
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ItemMeta meta = item.getItemMeta();
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meta.setDisplayName(transform.apply(meta.hasDisplayName() ? meta.getDisplayName() : ""));
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item.setItemMeta(meta);
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return item;
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}
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public static void face(Entity entity, float yaw, float pitch) {
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double pitchCos = Math.cos(Math.toRadians(pitch));
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Vector vector = new Vector(Math.sin(Math.toRadians(yaw)) * -pitchCos, -Math.sin(Math.toRadians(pitch)),
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Math.cos(Math.toRadians(yaw)) * pitchCos).normalize();
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faceLocation(entity, entity.getLocation(AT_LOCATION).clone().add(vector));
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}
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public static void faceEntity(Entity entity, Entity to) {
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if (to == null || entity == null || entity.getWorld() != to.getWorld())
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return;
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if (to instanceof LivingEntity) {
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NMS.look(entity, to);
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} else {
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faceLocation(entity, to.getLocation(AT_LOCATION));
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}
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}
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public static void faceLocation(Entity entity, Location to) {
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faceLocation(entity, to, false);
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}
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public static void faceLocation(Entity entity, Location to, boolean headOnly) {
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faceLocation(entity, to, headOnly, true);
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}
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public static void faceLocation(Entity entity, Location to, boolean headOnly, boolean immediate) {
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if (to == null || entity.getWorld() != to.getWorld())
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return;
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NMS.look(entity, to, headOnly, immediate);
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}
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public static Location getCenterLocation(Block block) {
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Location bloc = block.getLocation(AT_LOCATION);
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Location center = new Location(bloc.getWorld(), bloc.getBlockX() + 0.5, bloc.getBlockY(),
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bloc.getBlockZ() + 0.5);
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BoundingBox bb = NMS.getCollisionBox(block);
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if (bb != null && (bb.maxY - bb.minY) < 0.6D) {
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center.setY(center.getY() + (bb.maxY - bb.minY));
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}
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return center;
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}
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/**
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* Returns the yaw to face along the given velocity (corrected for dragon yaw i.e. facing backwards)
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*/
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public static float getDragonYaw(Entity entity, double motX, double motZ) {
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Location location = entity.getLocation(AT_LOCATION);
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double x = location.getX();
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double z = location.getZ();
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double tX = x + motX;
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double tZ = z + motZ;
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if (z > tZ)
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return (float) (-Math.toDegrees(Math.atan((x - tX) / (z - tZ))));
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if (z < tZ) {
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return (float) (-Math.toDegrees(Math.atan((x - tX) / (z - tZ)))) + 180.0F;
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}
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return location.getYaw();
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}
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public static Scoreboard getDummyScoreboard() {
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return DUMMY_SCOREBOARD;
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}
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public static Location getEyeLocation(Entity entity) {
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return entity instanceof LivingEntity ? ((LivingEntity) entity).getEyeLocation() : entity.getLocation();
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}
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public static Material getFallbackMaterial(String first, String second) {
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try {
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return Material.valueOf(first);
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} catch (IllegalArgumentException e) {
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return Material.valueOf(second);
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}
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}
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public static Random getFastRandom() {
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return new XORShiftRNG();
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}
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public static String getMinecraftRevision() {
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if (MINECRAFT_REVISION == null) {
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MINECRAFT_REVISION = Bukkit.getServer().getClass().getPackage().getName();
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}
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return MINECRAFT_REVISION.substring(MINECRAFT_REVISION.lastIndexOf('.') + 2);
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}
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public static String getTeamName(UUID id) {
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return "CIT-" + id.toString().replace("-", "").substring(0, 12);
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}
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public static boolean inBlock(Entity entity) {
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// TODO: bounding box aware?
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Location loc = entity.getLocation(AT_LOCATION);
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if (!Util.isLoaded(loc)) {
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return false;
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}
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Block in = loc.getBlock();
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Block above = in.getRelative(BlockFace.UP);
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return in.getType().isSolid() && above.getType().isSolid() && NMS.isSolid(in) && NMS.isSolid(above);
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}
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public static boolean isAlwaysFlyable(EntityType type) {
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if (type.name().toLowerCase().equals("vex") || type.name().toLowerCase().equals("parrot")
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|| type.name().toLowerCase().equals("allay") || type.name().toLowerCase().equals("bee")
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|| type.name().toLowerCase().equals("phantom"))
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// 1.8.8 compatibility
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return true;
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switch (type) {
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case BAT:
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case BLAZE:
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case ENDER_DRAGON:
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case GHAST:
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case WITHER:
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return true;
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default:
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return false;
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}
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}
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public static boolean isHorse(EntityType type) {
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String name = type.name();
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return type == EntityType.HORSE || name.contains("_HORSE") || name.equals("DONKEY") || name.equals("MULE")
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|| name.equals("LLAMA") || name.equals("TRADER_LLAMA") || name.equals("CAMEL");
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}
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public static boolean isLoaded(Location location) {
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if (location.getWorld() == null)
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return false;
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int chunkX = location.getBlockX() >> 4;
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int chunkZ = location.getBlockZ() >> 4;
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return location.getWorld().isChunkLoaded(chunkX, chunkZ);
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}
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public static boolean isOffHand(PlayerInteractEntityEvent event) {
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try {
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return event.getHand() == org.bukkit.inventory.EquipmentSlot.OFF_HAND;
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} catch (NoSuchMethodError e) {
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return false;
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} catch (NoSuchFieldError e) {
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return false;
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}
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}
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public static boolean isOffHand(PlayerInteractEvent event) {
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try {
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return event.getHand() == org.bukkit.inventory.EquipmentSlot.OFF_HAND;
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} catch (NoSuchMethodError e) {
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return false;
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} catch (NoSuchFieldError e) {
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return false;
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}
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}
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public static String listValuesPretty(Enum<?>[] values) {
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return "<yellow>" + Joiner.on("<green>, <yellow>").join(values).toLowerCase();
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}
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public static boolean locationWithinRange(Location current, Location target, double range) {
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if (current == null || target == null)
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return false;
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if (current.getWorld() != target.getWorld())
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return false;
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return current.distance(target) <= range;
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}
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public static <T extends Enum<?>> T matchEnum(T[] values, String toMatch) {
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toMatch = toMatch.toLowerCase().replace('-', '_').replace(' ', '_');
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for (T check : values) {
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if (toMatch.equals(check.name().toLowerCase())
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|| (toMatch.equals("item") && check == EntityType.DROPPED_ITEM)) {
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return check; // check for an exact match first
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}
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}
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for (T check : values) {
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String name = check.name().toLowerCase();
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if (name.replace("_", "").equals(toMatch) || name.startsWith(toMatch)) {
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return check;
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}
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}
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return null;
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}
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public static boolean matchesItemInHand(Player player, String setting) {
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String parts = setting;
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if (parts.contains("*") || parts.isEmpty())
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return true;
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for (String part : Splitter.on(',').split(parts)) {
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Material matchMaterial = SpigotUtil.isUsing1_13API() ? Material.matchMaterial(part, false)
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: Material.matchMaterial(part);
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if (matchMaterial == null) {
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if (part.equals("280")) {
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matchMaterial = Material.STICK;
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} else if (part.equals("340")) {
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matchMaterial = Material.BOOK;
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}
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}
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if (matchMaterial == player.getInventory().getItemInHand().getType()) {
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return true;
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}
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}
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return false;
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}
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public static Set<EntityType> optionalEntitySet(String... types) {
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Set<EntityType> list = EnumSet.noneOf(EntityType.class);
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for (String type : types) {
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try {
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list.add(EntityType.valueOf(type));
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} catch (IllegalArgumentException e) {
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}
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}
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return list;
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}
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public static String prettyEnum(Enum<?> e) {
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return e.name().toLowerCase().replace('_', ' ');
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}
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public static String prettyPrintLocation(Location to) {
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return String.format("%s at %s, %s, %s (%s, %s)", to.getWorld().getName(), TWO_DIGIT_DECIMAL.format(to.getX()),
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TWO_DIGIT_DECIMAL.format(to.getY()), TWO_DIGIT_DECIMAL.format(to.getZ()),
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TWO_DIGIT_DECIMAL.format(to.getYaw()), TWO_DIGIT_DECIMAL.format(to.getPitch()));
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}
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public static String rawtype(Enum<?>[] values) {
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return "<yellow>" + Joiner.on("<green>, <yellow>").join(values).toLowerCase();
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}
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public static void runCommand(NPC npc, Player clicker, String command, boolean op, boolean player) {
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List<String> split = Splitter.on(' ').omitEmptyStrings().trimResults().limit(2).splitToList(command);
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String bungeeServer = split.size() == 2 && split.get(0).equalsIgnoreCase("server") ? split.get(1) : null;
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String cmd = command;
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if (command.startsWith("say")) {
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cmd = "npc speak " + command.replaceFirst("say", "").trim() + " --target <p>";
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}
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if ((cmd.startsWith("npc ") || cmd.startsWith("waypoints ") || cmd.startsWith("wp "))
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&& !cmd.contains("--id ")) {
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cmd += " --id <id>";
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}
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String interpolatedCommand = Placeholders.replace(cmd, clicker, npc);
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Messaging.idebug(() -> "Running command " + interpolatedCommand + " on NPC " + (npc == null ? -1 : npc.getId())
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+ " clicker " + clicker);
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if (!player) {
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Bukkit.getServer().dispatchCommand(Bukkit.getConsoleSender(), interpolatedCommand);
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return;
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}
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boolean wasOp = clicker.isOp();
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if (op) {
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clicker.setOp(true);
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}
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try {
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if (bungeeServer != null) {
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ByteArrayDataOutput out = ByteStreams.newDataOutput();
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out.writeUTF("Connect");
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out.writeUTF(bungeeServer);
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clicker.sendPluginMessage(CitizensAPI.getPlugin(), "BungeeCord", out.toByteArray());
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} else {
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clicker.chat("/" + interpolatedCommand);
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}
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} catch (Throwable t) {
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t.printStackTrace();
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}
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if (op) {
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clicker.setOp(wasOp);
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}
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}
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public static void sendBlockChanges(List<Block> blocks, Material type) {
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if (blocks.isEmpty())
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return;
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Location loc = new Location(null, 0, 0, 0);
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for (Player player : blocks.get(0).getWorld().getPlayers()) {
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for (Block block : blocks) {
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if (type != null) {
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player.sendBlockChange(loc, type, (byte) 0);
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} else if (SpigotUtil.isUsing1_13API()) {
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player.sendBlockChange(block.getLocation(loc), block.getBlockData());
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} else {
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player.sendBlockChange(block.getLocation(loc), block.getType(), block.getData());
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}
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}
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}
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}
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/**
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* Sets the entity's yaw and pitch directly including head yaw.
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*/
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public static void setRotation(Entity entity, float yaw, float pitch) {
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NMS.look(entity, yaw, pitch);
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}
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public static int toTicks(Duration delay) {
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return (int) TimeUnit.MILLISECONDS.convert(delay) / 50;
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}
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private static final Location AT_LOCATION = new Location(null, 0, 0, 0);
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private static final Scoreboard DUMMY_SCOREBOARD = Bukkit.getScoreboardManager().getNewScoreboard();
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private static String MINECRAFT_REVISION;
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private static final DecimalFormat TWO_DIGIT_DECIMAL = new DecimalFormat();
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static {
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TWO_DIGIT_DECIMAL.setMaximumFractionDigits(2);
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}
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}
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