Added new property Viewer for hologram. #99

api/src/main/java/de/oliver/fancyholograms/api/Hologram.java

@@ -144,7 +144,7 @@ protected boolean shouldHologramBeShown(@NotNull final Player player) {
             return false;
         }
 
-        if (!getData().getDisplayData().isVisibleByDefault() && !player.hasPermission("fancyholograms.viewhologram." + data.getName())) {
+        if (!this.getData().getDisplayData().getVisibility().canSee(player, this)) {
             return false;
         }
 

api/src/main/java/de/oliver/fancyholograms/api/data/DisplayHologramData.java

@@ -1,6 +1,7 @@
 package de.oliver.fancyholograms.api.data;
 
 import de.oliver.fancyholograms.api.FancyHologramsPlugin;
+import de.oliver.fancyholograms.api.data.property.visibility.Visibility;
 import de.oliver.fancylib.FancyLib;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -11,6 +12,7 @@
 import org.joml.Vector3f;
 
 import java.util.Locale;
+import java.util.Optional;
 
 public class DisplayHologramData implements Data {
 
@@ -21,6 +23,7 @@ public class DisplayHologramData implements Data {
     public static final float DEFAULT_SHADOW_STRENGTH = 1.0f;
     public static final int DEFAULT_VISIBILITY_DISTANCE = -1;
     public static final boolean DEFAULT_IS_VISIBLE = true;
+    public static final Visibility DEFAULT_VISIBILITY = Visibility.ALL;
 
     private Location location;
     private Display.Billboard billboard = DEFAULT_BILLBOARD;
@@ -30,12 +33,12 @@ public class DisplayHologramData implements Data {
     private float shadowRadius = DEFAULT_SHADOW_RADIUS;
     private float shadowStrength = DEFAULT_SHADOW_STRENGTH;
     private int visibilityDistance = DEFAULT_VISIBILITY_DISTANCE;
-    private boolean visibleByDefault = DEFAULT_IS_VISIBLE;
+    private Visibility visibility = DEFAULT_VISIBILITY;
     private String linkedNpcName;
 
     public DisplayHologramData(Location location, Display.Billboard billboard, Vector3f scale, Vector3f translation,
                                Display.Brightness brightness, float shadowRadius, float shadowStrength,
-                               int visibilityDistance, String linkedNpcName, boolean visibleByDefault) {
+                               int visibilityDistance, String linkedNpcName, Visibility visibility) {
         this.location = location;
         this.billboard = billboard;
         this.scale = scale;
@@ -45,7 +48,7 @@ public DisplayHologramData(Location location, Display.Billboard billboard, Vecto
         this.shadowStrength = shadowStrength;
         this.visibilityDistance = visibilityDistance;
         this.linkedNpcName = linkedNpcName;
-        this.visibleByDefault = visibleByDefault;
+        this.visibility = visibility;
     }
 
     public DisplayHologramData() {
@@ -62,7 +65,7 @@ public static DisplayHologramData getDefault(Location location) {
                 DEFAULT_SHADOW_STRENGTH,
                 DEFAULT_VISIBILITY_DISTANCE,
                 null,
-                DEFAULT_IS_VISIBLE
+                DEFAULT_VISIBILITY
         );
     }
 
@@ -81,7 +84,7 @@ public void write(ConfigurationSection section, String name) {
         section.set("shadow_radius", shadowRadius);
         section.set("shadow_strength", shadowStrength);
         section.set("visibility_distance", visibilityDistance);
-        section.set("visible_by_default", visibleByDefault);
+        section.set("visibility", visibility.toString());
 
 
         if (billboard == Display.Billboard.CENTER) {
@@ -126,7 +129,24 @@ public void read(ConfigurationSection section, String name) {
         shadowStrength = (float) section.getDouble("shadow_strength", DEFAULT_SHADOW_STRENGTH);
         visibilityDistance = section.getInt("visibility_distance", DEFAULT_VISIBILITY_DISTANCE);
         linkedNpcName = section.getString("linkedNpc");
-        visibleByDefault = section.getBoolean("visible_by_default", DEFAULT_IS_VISIBLE);
+
+        visibility = Optional.ofNullable(section.getString("visibility"))
+                .flatMap(Visibility::byString)
+                .orElseGet(() -> {
+                    final var visibleByDefault = section.getBoolean("visible_by_default", DEFAULT_IS_VISIBLE);
+                    if (section.contains("visible_by_default")) {
+                        section.set("visible_by_default", null);
+                    }
+                    if (visibleByDefault) {
+                        return Visibility.ALL;
+                    } else {
+                        return Visibility.PERMISSION_REQUIRED;
+                    }
+                });
+
+        if (section.contains("visible_by_default")) {
+            section.set("visible_by_default", null);
+        }
 
         String billboardStr = section.getString("billboard", DisplayHologramData.DEFAULT_BILLBOARD.name());
         billboard = switch (billboardStr.toLowerCase()) {
@@ -213,12 +233,40 @@ public DisplayHologramData setVisibilityDistance(int visibilityDistance) {
         return this;
     }
 
+    /**
+     * Returns to the default state of visibility.
+     * This method is deprecated, to control the visibility of the hologram, use {@link #getVisibility()}.
+     *
+     * @return {@code true} if hologram can see all players, else {@code false}.
+     */
+    @Deprecated(forRemoval = true)
     public boolean isVisibleByDefault() {
-        return visibleByDefault;
+        return this.getVisibility() == Visibility.ALL;
     }
 
+    /**
+     * Set the default state of visibility.
+     * This method is deprecated, to control the visibility of the hologram, use {@link #setVisibility(Visibility)}.
+     */
+    @Deprecated(forRemoval = true)
     public void setVisibleByDefault(boolean visibleByDefault) {
-        this.visibleByDefault = visibleByDefault;
+        this.setVisibility(visibleByDefault ? Visibility.ALL : Visibility.PERMISSION_REQUIRED);
+    }
+
+    /**
+     * Get the type of visibility for the hologram.
+     *
+     * @return type of visibility.
+     */
+    public Visibility getVisibility() {
+        return this.visibility;
+    }
+
+    /**
+     * Set the type of visibility for the hologram.
+     */
+    public void setVisibility(Visibility visibility) {
+        this.visibility = visibility;
     }
 
     public String getLinkedNpcName() {
@@ -242,7 +290,7 @@ public Data copy() {
                 shadowStrength,
                 visibilityDistance,
                 linkedNpcName,
-                visibleByDefault
+                visibility
         );
     }
 }

api/src/main/java/de/oliver/fancyholograms/api/data/property/visibility/Visibility.java

@@ -0,0 +1,49 @@
+package de.oliver.fancyholograms.api.data.property.visibility;
+
+import de.oliver.fancyholograms.api.Hologram;
+import org.bukkit.entity.Player;
+
+import java.util.Arrays;
+import java.util.Optional;
+
+public enum Visibility {
+    /**
+     * Everybody can see a hologram.
+     */
+    ALL((player, hologram) -> true),
+    /**
+     * Manual control.
+     */
+    MANUAL((player, hologram) -> hologram.isShown(player)),
+    /**
+     * The player needs permission to see a specific hologram.
+     */
+    PERMISSION_REQUIRED(
+            (player, hologram) -> player.hasPermission("fancyholograms.viewhologram." + hologram.getData().getName())
+    );
+
+
+    private final VisibilityPredicate predicate;
+
+
+    Visibility(VisibilityPredicate predicate) {
+        this.predicate = predicate;
+    }
+
+
+    public boolean canSee(Player player, Hologram hologram) {
+        return this.predicate.canSee(player, hologram);
+    }
+
+
+    public static Optional<Visibility> byString(String value) {
+        return Arrays.stream(Visibility.values())
+                .filter(visibility -> visibility.toString().equalsIgnoreCase(value))
+                .findFirst();
+    }
+
+    public interface VisibilityPredicate {
+
+        boolean canSee(Player player, Hologram hologram);
+    }
+}

src/main/java/de/oliver/fancyholograms/commands/HologramCMD.java

@@ -149,7 +149,7 @@ public boolean execute(@NotNull CommandSender sender, @NotNull String label, @No
 
             final var usingNpcs = FancyHolograms.isUsingFancyNpcs();
 
-            List<String> suggestions = new ArrayList<>(Arrays.asList("position", "moveHere", "moveTo", "rotate", "rotatepitch", "billboard", "scale", "visibilityDistance", "visibleByDefault", "shadowRadius", "shadowStrength", usingNpcs ? "linkWithNpc" : "", usingNpcs ? "unlinkWithNpc" : ""));
+            List<String> suggestions = new ArrayList<>(Arrays.asList("position", "moveHere", "moveTo", "rotate", "rotatepitch", "billboard", "scale", "visibilityDistance", "visibility", "shadowRadius", "shadowStrength", usingNpcs ? "linkWithNpc" : "", usingNpcs ? "unlinkWithNpc" : ""));
             suggestions.addAll(type.getCommands());
 
             return suggestions.stream().filter(input -> input.toLowerCase().startsWith(args[2].toLowerCase(Locale.ROOT))).toList();
@@ -209,7 +209,8 @@ public boolean execute(@NotNull CommandSender sender, @NotNull String label, @No
                     yield FancyNpcsPlugin.get().getNpcManager().getAllNpcs().stream().map(npc -> npc.getData().getName());
                 }
                 case "block" -> Arrays.stream(Material.values()).filter(Material::isBlock).map(Enum::name);
-                case "seethrough", "visiblebydefault" -> Stream.of("true", "false");
+                case "seethrough" -> Stream.of("true", "false");
+                case "visibility" -> new VisibilityCMD().tabcompletion(sender, hologram, args).stream();
 
                 default -> null;
             };
@@ -297,7 +298,7 @@ private boolean edit(@NotNull final CommandSender player, @NotNull final Hologra
             case "scale" -> new ScaleCMD().run(player, hologram, args);
             case "updatetextinterval" -> new UpdateTextIntervalCMD().run(player, hologram, args);
             case "visibilitydistance" -> new VisibilityDistanceCMD().run(player, hologram, args);
-            case "visiblebydefault" -> new VisibleByDefaultCMD().run(player, hologram, args);
+            case "visibility" -> new VisibilityCMD().run(player, hologram, args);
             case "linkwithnpc" -> new LinkWithNpcCMD().run(player, hologram, args);
             case "shadowradius" -> new ShadowRadiusCMD().run(player, hologram, args);
             case "shadowstrength" -> new ShadowStrengthCMD().run(player, hologram, args);

src/main/java/de/oliver/fancyholograms/commands/hologram/VisibleByDefaultCMD.java → src/main/java/de/oliver/fancyholograms/commands/hologram/VisibilityCMD.java

@@ -2,44 +2,50 @@
 
 import de.oliver.fancyholograms.FancyHolograms;
 import de.oliver.fancyholograms.api.Hologram;
+import de.oliver.fancyholograms.api.data.property.visibility.Visibility;
 import de.oliver.fancyholograms.commands.Subcommand;
 import de.oliver.fancylib.MessageHelper;
 import org.bukkit.command.CommandSender;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.Objects;
 
-public class VisibleByDefaultCMD implements Subcommand {
+public class VisibilityCMD implements Subcommand {
 
     @Override
     public List<String> tabcompletion(@NotNull CommandSender player, @Nullable Hologram hologram, @NotNull String[] args) {
-        return null;
+        return Arrays.stream(
+                Visibility.values()
+        ).map(Objects::toString).toList();
     }
 
     @Override
     public boolean run(@NotNull CommandSender player, @Nullable Hologram hologram, @NotNull String[] args) {
-        var visibleByDefault = Boolean.parseBoolean(args[3]);
-        if (hologram == null) {
+        final var optionalVisibility = Visibility.byString(args[3]);
+        if (hologram == null || optionalVisibility.isEmpty()) {
             return false;
         }
+        final var visibility = optionalVisibility.get();
 
         final var copied = hologram.getData().copy();
-        copied.getDisplayData().setVisibleByDefault(visibleByDefault);
+        copied.getDisplayData().setVisibility(visibility);
 
 
-        if (hologram.getData().getDisplayData().isVisibleByDefault() == copied.getDisplayData().isVisibleByDefault()) {
-            MessageHelper.warning(player, "This hologram already has visibility by default set to " + visibleByDefault);
+        if (hologram.getData().getDisplayData().getVisibility() == copied.getDisplayData().getVisibility()) {
+            MessageHelper.warning(player, "This hologram already has visibility set to " + visibility);
             return false;
         }
 
-        hologram.getData().getDisplayData().setVisibleByDefault(copied.getDisplayData().isVisibleByDefault());
+        hologram.getData().getDisplayData().setVisibility(copied.getDisplayData().getVisibility());
 
         if (FancyHolograms.get().getHologramConfiguration().isSaveOnChangedEnabled()) {
             FancyHolograms.get().getHologramStorage().save(hologram);
         }
 
-        MessageHelper.success(player, "Changed visibility by default to " + visibleByDefault);
+        MessageHelper.success(player, "Changed visibility to " + visibility);
         return true;
     }
 }

src/main/java/de/oliver/fancyholograms/storage/FlatFileHologramStorage.java

@@ -5,6 +5,7 @@
 import de.oliver.fancyholograms.api.HologramStorage;
 import de.oliver.fancyholograms.api.HologramType;
 import de.oliver.fancyholograms.api.data.*;
+import de.oliver.fancyholograms.api.data.property.visibility.Visibility;
 import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.format.TextColor;
 import org.bukkit.Bukkit;
@@ -22,6 +23,7 @@
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
+
 public class FlatFileHologramStorage implements HologramStorage {
 
     private static final ReadWriteLock lock = new ReentrantReadWriteLock();
@@ -232,7 +234,21 @@ public static HologramData readHologram(String name, ConfigurationSection config
             final var billboardName = config.getString("billboard", DisplayHologramData.DEFAULT_BILLBOARD.name());
             final var textAlignmentName = config.getString("text_alignment", TextHologramData.DEFAULT_TEXT_ALIGNMENT.name());
             final var linkedNpc = config.getString("linkedNpc");
-            final var visibleByDefault = config.getBoolean("visible_by_default", DisplayHologramData.DEFAULT_IS_VISIBLE);
+
+
+            final var visibility = Optional.ofNullable(config.getString("visibility"))
+                    .flatMap(Visibility::byString)
+                    .orElseGet(() -> {
+                        final var visibleByDefault = config.getBoolean("visible_by_default", DisplayHologramData.DEFAULT_IS_VISIBLE);
+                        if (config.contains("visible_by_default")) {
+                            config.set("visible_by_default", null);
+                        }
+                        if (visibleByDefault) {
+                            return Visibility.ALL;
+                        } else {
+                            return Visibility.PERMISSION_REQUIRED;
+                        }
+                    });
 
             final var billboard = switch (billboardName.toLowerCase(Locale.ROOT)) {
                 case "fixed" -> Display.Billboard.FIXED;
@@ -259,7 +275,7 @@ public static HologramData readHologram(String name, ConfigurationSection config
             }
 
 
-            DisplayHologramData displayData = new DisplayHologramData(location, billboard, new Vector3f((float) scaleX, (float) scaleY, (float) scaleZ), DisplayHologramData.DEFAULT_TRANSLATION, null, (float) shadowRadius, (float) shadowStrength, visibilityDistance, linkedNpc, visibleByDefault);
+            DisplayHologramData displayData = new DisplayHologramData(location, billboard, new Vector3f((float) scaleX, (float) scaleY, (float) scaleZ), DisplayHologramData.DEFAULT_TRANSLATION, null, (float) shadowRadius, (float) shadowStrength, visibilityDistance, linkedNpc, visibility);
 
             TextHologramData textData = new TextHologramData(text, background, textAlignment, textHasShadow, isSeeThrough, textUpdateInterval);