1.2

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.purpurmc</groupId>
     <artifactId>healthbar</artifactId>
-    <version>1.1</version>
+    <version>1.2</version>
     <packaging>jar</packaging>
 
     <name>Healthbar</name>

src/main/java/com/purpurmc/healthbar/BossBarUtils.java

@@ -0,0 +1,88 @@
+package com.purpurmc.healthbar;
+
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.ComponentLike;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import net.kyori.adventure.text.minimessage.tag.resolver.Placeholder;
+import net.kyori.adventure.bossbar.BossBar;
+import org.bukkit.Bukkit;
+import org.bukkit.attribute.Attributable;
+import org.bukkit.attribute.Attribute;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Damageable;
+import org.bukkit.metadata.FixedMetadataValue;
+
+import java.text.DecimalFormat;
+
+public class BossBarUtils {
+
+    private static final DecimalFormat df = new DecimalFormat("0.00");
+    public static void giveBossBar(Player p, Entity entity) {
+        Damageable damageable = (Damageable) entity;
+        Attributable attributable = (Attributable) entity;
+        float progress = (float) (damageable.getHealth() / attributable.getAttribute(Attribute.GENERIC_MAX_HEALTH).getValue());
+        BossBar bar = getorCreateBossBar(entity).progress(progress);
+        p.showBossBar(bar);
+        p.setMetadata("healthbarcooldown" + entity.getUniqueId()
+                , new FixedMetadataValue(Healthbar.getInstance(), Bukkit.getCurrentTick()));
+        Bukkit.getScheduler().runTaskLater(Healthbar.getInstance(), () -> {
+            int current = Bukkit.getCurrentTick();
+            int cd = p.getMetadata("healthbarcooldown" + entity.getUniqueId()).get(0).asInt();
+            if ((current - cd) >= Healthbar.bartime) {
+                p.hideBossBar(bar);
+            }
+        }, Healthbar.bartime);
+
+    }
+
+    public static BossBar getorCreateBossBar(Entity entity) {
+
+        if (!entity.hasMetadata("healthbar")) {
+            ComponentLike componentLike = Component.empty();
+            float progress = 1f;
+            BossBar.Color color = Healthbar.getInstance().getBarcolor();
+            BossBar.Overlay overlay = Healthbar.getInstance().getBaroverlay();
+
+            BossBar bossbar = BossBar.bossBar(
+                    componentLike,
+                    progress,
+                    color,
+                    overlay);
+            entity.setMetadata("healthbar", new FixedMetadataValue(Healthbar.getInstance(), bossbar));
+            return bossbar;
+        }
+        else {
+            return (BossBar) entity.getMetadata("healthbar").get(0).value();
+        }
+    }
+
+    public static void updateHealthBar(Entity entity, double damage) {
+        BossBar bossbar = (BossBar) entity.getMetadata("healthbar").get(0).value();
+        Component parsed;
+        Component translate = Component.translatable(entity.getType().translationKey());
+        Damageable damageable = (Damageable) entity;
+        Attributable attributable = (Attributable) entity;
+        double max = attributable.getAttribute(Attribute.GENERIC_MAX_HEALTH).getValue();
+        double health = damageable.getHealth();
+        String title;
+        if (health <= 0) {
+            health = 0d;
+            title = Healthbar.getInstance().getDeadtitle();
+        }
+        else {
+            title = Healthbar.getInstance().getLivingtitle();
+        }
+        Component customName = entity.customName();
+        parsed = MiniMessage.miniMessage().deserialize(title,
+                Placeholder.component("entity", translate),
+                Placeholder.component("name", customName == null ? translate : customName),
+                Placeholder.component("max", Component.text(df.format(max))),
+                Placeholder.component("health", Component.text(df.format(health))),
+                Placeholder.component("damage", Component.text(df.format(damage)))
+        );
+        bossbar.name(parsed);
+        float progress = (float) (health / max);
+        bossbar.progress(progress);
+    }
+}

src/main/java/com/purpurmc/healthbar/DamageEvent.java

@@ -1,6 +1,7 @@
 package com.purpurmc.healthbar;
 
 import org.bukkit.Bukkit;
+import org.bukkit.entity.Damageable;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Projectile;
@@ -13,9 +14,9 @@
 
 public class DamageEvent implements Listener {
 
-    private final BossBar bossbar = new BossBar();
     @EventHandler
     public void onDamage(EntityDamageByEntityEvent event) {
+        if (!(event.getEntity() instanceof Damageable)) return;
         Entity attacker = event.getDamager();
         if (event.getDamager() instanceof Projectile) {
             Projectile projectile = (Projectile) event.getDamager();
@@ -24,7 +25,7 @@ public void onDamage(EntityDamageByEntityEvent event) {
         if (attacker instanceof Player) {
             if (!attacker.getPersistentDataContainer().has(visible)) {
                 if (!Healthbar.instance.getBlacklistEntities().contains(event.getEntityType())) {
-                    bossbar.giveBossBar((Player) attacker, event.getEntity());
+                    BossBarUtils.giveBossBar((Player) attacker, event.getEntity());
                 }
             }
 
@@ -36,7 +37,7 @@ public void onDamage(EntityDamageEvent event) {
         Entity entity = event.getEntity();
         Bukkit.getScheduler().runTaskLater(Healthbar.instance, () -> {
             if (entity.hasMetadata("healthbar")) {
-                bossbar.updateHealthBar(entity, event.getFinalDamage());
+                BossBarUtils.updateHealthBar(entity, event.getFinalDamage());
             }
         }, 1L);
     }

src/main/java/com/purpurmc/healthbar/HealthBarCommand.java

@@ -22,6 +22,7 @@ protected HealthBarCommand(@NotNull String name, @NotNull String description, @N
 
     @Override
     public boolean execute(@NotNull CommandSender sender, @NotNull String command, String[] args) {
+        if (args.length == 0) return true;
         if (args[0].equals("toggle")) {
             if (sender instanceof Player) {
                 Player p = (Player) sender;

src/main/java/com/purpurmc/healthbar/Healthbar.java

@@ -14,14 +14,13 @@
 public final class Healthbar extends JavaPlugin {
 
     public static Healthbar instance;
-
     public static NamespacedKey visible;
-    public String livingtitle;
-    public String deadtitle;
-    public BossBar.Overlay baroverlay;
-    public BossBar.Color barcolor;
-    public Collection<EntityType> blacklist;
-
+    public static String livingtitle;
+    public static String deadtitle;
+    public static BossBar.Overlay baroverlay;
+    public static BossBar.Color barcolor;
+    public static int bartime;
+    public static Collection<EntityType> blacklist;
     @Override
     public void onEnable() {
         instance = this;
@@ -34,58 +33,56 @@ public void onEnable() {
                 "command to toggle/reload healthbar",
                 "/healthbar (toggle|reload)",
                 new ArrayList<>()));
-
         try {
             initializeYAML();
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
     }
-
     @Override
     public void onDisable() {
 
     }
-
     public static Healthbar getInstance() {
         return instance;
     }
-
     public Collection<EntityType> getBlacklistEntities() {
-        return this.blacklist;
+        return blacklist;
     }
-
     public BossBar.Overlay getBaroverlay() {
-        return this.baroverlay;
+        return baroverlay;
     }
-
     public BossBar.Color getBarcolor() {
-        return this.barcolor;
+        return barcolor;
+    }
+    public String getLivingtitle() {
+        return livingtitle;
+    }
+    public String getDeadtitle() {
+        return deadtitle;
     }
-
-    public String getLivingtitle() {return this.livingtitle;}
-    public String getDeadtitle() {return this.deadtitle;}
-
     public void initializeYAML() throws IOException {
         saveDefaultConfig();
         getLogger().info("Loading config.yml");
         FileConfiguration configyml = getConfig();
 
-        this.livingtitle = configyml.getString("bar.title.living");
+        livingtitle = configyml.getString("bar.title.living");
 
-        this.deadtitle = configyml.getString("bar.title.dead");
+        deadtitle = configyml.getString("bar.title.dead");
 
         String overlay = configyml.getString("bar.overlay");
-        this.baroverlay = BossBar.Overlay.valueOf(overlay);
+        baroverlay = BossBar.Overlay.valueOf(overlay);
 
         String color = configyml.getString("bar.color");
-        this.barcolor = BossBar.Color.valueOf(color);
+        barcolor = BossBar.Color.valueOf(color);
 
-        List<String> blacklist = configyml.getStringList("blacklist");
+        List<String> Lblacklist = configyml.getStringList("blacklist");
         Collection<EntityType> blacklistentitytpye = new ArrayList<>();
-        blacklist.forEach(str -> blacklistentitytpye.add(EntityType.valueOf(str))
+        Lblacklist.forEach(str -> blacklistentitytpye.add(EntityType.valueOf(str))
         );
 
-        this.blacklist = blacklistentitytpye;
+        blacklist = blacklistentitytpye;
+
+        bartime = configyml.getInt("bar.time");
     }
 }

src/main/resources/config.yml

@@ -13,6 +13,8 @@ bar:
   overlay: PROGRESS
   #https://jd.adventure.kyori.net/api/4.11.0/net/kyori/adventure/bossbar/BossBar.Color.html
   color: RED
+  #in ticks, 20 = 1 second and 100 = 5 seconds.
+  time: 100
 
 blacklist:
   - ENDER_DRAGON