DreamVanish.java

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/*
 * MIT License
 *
 * Copyright (c) 2025 Dreamfire Studio
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.dreamfirestudios.dreamcore.DreamVanish;
 
import com.dreamfirestudios.dreamcore.DreamCore;
import org.bukkit.Bukkit;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
 
import java.util.ArrayList;
 
public class DreamVanish {
 
    public static void hideTargetFromViewer(Entity target, Player viewer) {
        if (target == null || viewer == null) return;
 
        var hiddenViewers = DreamCore.DreamVanishs.computeIfAbsent(target.getUniqueId(), k -> new ArrayList<>());
        if (!hiddenViewers.contains(viewer.getUniqueId())) {
            hiddenViewers.add(viewer.getUniqueId());
        }
 
        new VanishHideTargetEvent(target, viewer);
    }
 
    public static void showTargetToViewer(Entity target, Player viewer) {
        if (target == null || viewer == null) return;
 
        var hiddenViewers = DreamCore.DreamVanishs.get(target.getUniqueId());
        if (hiddenViewers != null) {
            hiddenViewers.remove(viewer.getUniqueId());
            if (hiddenViewers.isEmpty()) {
                DreamCore.DreamVanishs.remove(target.getUniqueId());
            }
        }
 
        new VanishShowTargetEvent(target, viewer);
    }
 
    public static boolean canViewerSeeTarget(Entity target, Player viewer) {
        if (target == null || viewer == null) return false;
 
        var hiddenViewers = DreamCore.DreamVanishs.get(target.getUniqueId());
        return hiddenViewers == null || !hiddenViewers.contains(viewer.getUniqueId());
    }
 
    public static void updateVanishOnAllPlayers() {
        var onlinePlayers = Bukkit.getOnlinePlayers();
        var viewerHideMatrix = DreamCore.DreamVanishs;
 
        viewerHideMatrix.forEach((targetUUID, hiddenViewers) -> {
            var target = Bukkit.getEntity(targetUUID);
            if (target == null) {
                viewerHideMatrix.remove(targetUUID);
                return;
            }
 
            for (var viewer : onlinePlayers) {
                if (viewer.getUniqueId().equals(targetUUID)) continue;
 
                if (hiddenViewers.contains(viewer.getUniqueId())) {
                    viewer.hideEntity(DreamCore.DreamCore, target);
                } else {
                    viewer.showEntity(DreamCore.DreamCore, target);
                }
            }
        });
    }
}