78 lines
2.5 KiB
Java
78 lines
2.5 KiB
Java
/*
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* Copyright (c) 2018 Jitse Boonstra
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*/
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package net.jitse.npclib.listeners;
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import net.jitse.npclib.NPCManager;
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import net.jitse.npclib.api.NPC;
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import org.bukkit.Bukkit;
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import org.bukkit.Chunk;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.Listener;
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import org.bukkit.event.world.ChunkLoadEvent;
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import org.bukkit.event.world.ChunkUnloadEvent;
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import java.util.UUID;
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/**
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* @author Jitse Boonstras
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*/
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public class ChunkListener implements Listener {
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@EventHandler
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public void onChunkUnload(ChunkUnloadEvent event) {
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Chunk chunk = event.getChunk();
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for (NPC npc : NPCManager.getAllNPCs()) {
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Chunk npcChunk = npc.getLocation().getChunk();
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if (chunk.getX() == npcChunk.getX() && chunk.getZ() == npcChunk.getZ()) {
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// Unloaded chunk with NPC in it. Hiding it from all players currently shown to.
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for (UUID uuid : npc.getShown()) {
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// Safety check so it doesn't send packets if the NPC has already
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// been automatically despawned by the system.
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if (npc.getAutoHidden().contains(uuid)) {
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continue;
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}
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npc.hide(Bukkit.getPlayer(uuid), true);
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}
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}
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}
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}
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@EventHandler
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public void onChunkLoad(ChunkLoadEvent event) {
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Chunk chunk = event.getChunk();
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for (NPC npc : NPCManager.getAllNPCs()) {
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Chunk npcChunk = npc.getLocation().getChunk();
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if (chunk.getX() == npcChunk.getX() && chunk.getZ() == npcChunk.getZ()) {
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// Loaded chunk with NPC in it. Showing it to the players again.
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for (UUID uuid : npc.getShown()) {
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// Make sure not to respawn a not-hidden NPC.
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if (!npc.getAutoHidden().contains(uuid)) {
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continue;
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}
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Player player = Bukkit.getPlayer(uuid);
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double hideDistance = npc.getAutoHideDistance();
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double distanceSquared = player.getLocation().distanceSquared(npc.getLocation());
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boolean inRange = distanceSquared <= (hideDistance * hideDistance) || distanceSquared <= (Bukkit.getViewDistance() << 4);
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// Show the NPC (if in range).
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if (inRange) {
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npc.show(Bukkit.getPlayer(uuid), true);
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}
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}
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}
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}
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}
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}
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