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JustKatoJustKato
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+ Event manager + ActionBar Service + Damage Handler + Display Text
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‎.gitignore‎

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# User-specific stuff
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.idea/
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*.iml
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*.ipr
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*.iws
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# IntelliJ
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out/
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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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*.tar.gz
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*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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*~
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# temporary files which can be created if a process still has a handle open of a deleted file
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.fuse_hidden*
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# KDE directory preferences
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.directory
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# Linux trash folder which might appear on any partition or disk
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.Trash-*
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# .nfs files are created when an open file is removed but is still being accessed
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.nfs*
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# General
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.DS_Store
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.AppleDouble
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.LSOverride
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# Icon must end with two \r
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Icon
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# Thumbnails
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._*
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# Files that might appear in the root of a volume
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.DocumentRevisions-V100
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.fseventsd
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.Spotlight-V100
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.TemporaryItems
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.Trashes
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.VolumeIcon.icns
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.com.apple.timemachine.donotpresent
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# Directories potentially created on remote AFP share
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.AppleDB
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.AppleDesktop
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Network Trash Folder
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Temporary Items
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.apdisk
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# Windows thumbnail cache files
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Thumbs.db
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Thumbs.db:encryptable
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ehthumbs.db
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ehthumbs_vista.db
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# Dump file
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*.stackdump
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# Folder config file
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[Dd]esktop.ini
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# Recycle Bin used on file shares
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$RECYCLE.BIN/
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# Windows Installer files
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*.cab
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*.msi
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*.msix
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*.msm
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*.msp
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# Windows shortcuts
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*.lnk
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target/
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pom.xml.tag
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pom.xml.releaseBackup
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pom.xml.versionsBackup
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pom.xml.next
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release.properties
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dependency-reduced-pom.xml
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buildNumber.properties
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.mvn/timing.properties
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.mvn/wrapper/maven-wrapper.jar
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.flattened-pom.xml
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# Common working directory
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run/

‎pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.danlegt</groupId>
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<artifactId>DamageDisplay</artifactId>
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<version>0.1.0</version>
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<packaging>jar</packaging>
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<name>DamageDisplay</name>
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<description>A simple and efficient plugin for displaying damage events</description>
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<properties>
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<java.version>1.8</java.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<url>https://danlegt.com</url>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<source>16</source>
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<target>16</target>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.2.4</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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<resources>
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<resource>
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<directory>src/main/resources</directory>
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<filtering>true</filtering>
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</resource>
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</resources>
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</build>
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<repositories>
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<repository>
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<id>spigotmc-repo</id>
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<url>https://hub.spigotmc.org/nexus/content/repositories/snapshots/</url>
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</repository>
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<repository>
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<id>sonatype</id>
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<url>https://oss.sonatype.org/content/groups/public/</url>
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</repository>
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</repositories>
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<dependencies>
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<dependency>
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<groupId>org.spigotmc</groupId>
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<artifactId>spigot-api</artifactId>
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<version>1.20.4-R0.1-SNAPSHOT</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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</project>

‎src/main/java/com/danlegt/damagedisplay/DamageDisplay.java‎

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package com.danlegt.damagedisplay;
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import com.danlegt.damagedisplay.Event.EventManager;
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import org.bukkit.plugin.java.JavaPlugin;
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public final class DamageDisplay extends JavaPlugin {
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public static DamageDisplay me;
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@Override
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public void onEnable() {
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// Singleton for Services
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me = this;
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// Register Listeners
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new EventManager(me).registerEvents();
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}
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@Override
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public void onDisable() {
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// Plugin shutdown logic
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}
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}

‎src/main/java/com/danlegt/damagedisplay/Event/EventListeners/OnDamageHandler.java‎

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package com.danlegt.damagedisplay.Event.EventListeners;
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import com.danlegt.damagedisplay.DamageDisplay;
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import com.danlegt.damagedisplay.Services.ActionBar;
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import org.bukkit.Bukkit;
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import org.bukkit.ChatColor;
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import org.bukkit.Location;
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import org.bukkit.entity.*;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.entity.EntityDamageByEntityEvent;
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import org.bukkit.event.entity.EntityDamageEvent;
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import org.bukkit.scheduler.BukkitRunnable;
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import org.bukkit.util.Vector;
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import java.util.Random;
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public class OnDamageHandler implements Listener {
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@EventHandler(priority = EventPriority.MONITOR)
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public void onPlayerDamage(EntityDamageByEntityEvent e) {
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// Check if the event has already been cancelled
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if ( e.isCancelled() ) return;
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// Check if the player has dealt the damage
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if ( e.getDamager().getType().equals(EntityType.PLAYER) ) {
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// Yoink a ref to the player
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Player p = (Player) e.getDamager();
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// Send out a Damage indicator to the player
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ActionBar.sendToPlayer(p, "★ Damage Dealt: " + ChatColor.YELLOW + Math.round(e.getDamage() * 100.0) / 100.0);
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}
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// Check if this is a projectile send out by the player
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if ( e.getDamager() instanceof Projectile a) {
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// Check if the player has dealt the damage
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if ( a.getShooter() instanceof Player p ) {
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// Send out a Damage indicator to the player
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ActionBar.sendToPlayer(p, "★ Damage Dealt: " + ChatColor.YELLOW + Math.round(e.getDamage() * 100.0) / 100.0);
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}
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}
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}
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@EventHandler(priority = EventPriority.MONITOR)
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public void onEnvironmentDamage(EntityDamageEvent e) {
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// Check if the event has already been cancelled
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if ( e.isCancelled() ) return;
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var receivedDamage = (Math.round(e.getDamage() * 100.0) / 100.0);
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// Check if the player has received the damage
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if ( e.getEntity().getType().equals(EntityType.PLAYER) ) {
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Player p = (Player) e.getEntity();
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// Send out the Damage indicator to the player
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ActionBar.sendToPlayer(p, "☠ Damage Taken: " + ChatColor.RED + receivedDamage + ChatColor.GRAY + " | " + ActionBar.parseStringToPretty(e.getCause().toString()) );
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}
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var rand = new Random();
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Location loc = e.getEntity().getLocation().clone();
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loc.add(new Vector(.05 * (rand.nextBoolean() ? -1 : 0), 1.5f, .05 * (rand.nextBoolean() ? -1 : 0)));
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TextDisplay textDisplay = e.getEntity().getWorld().spawn(loc, TextDisplay.class);
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textDisplay.setText(ChatColor.RED.toString() + receivedDamage);
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textDisplay.setBillboard(Display.Billboard.VERTICAL);
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new BukkitRunnable() {
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@Override
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public void run() {
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textDisplay.remove();
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}
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}.runTaskLater(DamageDisplay.me, 10);
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}
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}

‎src/main/java/com/danlegt/damagedisplay/Event/EventManager.java‎

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package com.danlegt.damagedisplay.Event;
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import com.danlegt.damagedisplay.DamageDisplay;
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import com.danlegt.damagedisplay.Event.EventListeners.OnDamageHandler;
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import org.bukkit.event.Listener;
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import java.util.List;
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public class EventManager {
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private final DamageDisplay plugin;
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private final List<Listener> enabledListeners = List.of(
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new OnDamageHandler()
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);
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public EventManager (DamageDisplay plugin) {
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this.plugin = plugin;
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}
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/**
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* Register the currently enabled listeners
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*/
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public void registerEvents() {
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for ( var ev: enabledListeners ) {
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plugin.getServer().getPluginManager().registerEvents(ev, plugin);
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}
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}
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}

‎src/main/java/com/danlegt/damagedisplay/Services/ActionBar.java‎

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package com.danlegt.damagedisplay.Services;
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import com.danlegt.damagedisplay.DamageDisplay;
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import net.md_5.bungee.api.ChatMessageType;
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import net.md_5.bungee.api.chat.TextComponent;
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import org.bukkit.Server;
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import org.bukkit.entity.Player;
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public class ActionBar {
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public static void sendToPlayer(Player p, String msg) {
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// Get the server
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Server server = DamageDisplay.me.getServer();
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// Use the lower API to send the message
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p.spigot().sendMessage(ChatMessageType.ACTION_BAR, new TextComponent(msg));
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}
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public static String parseStringToPretty( String input ) {
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StringBuilder output = new StringBuilder();
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String[] words = input.split("_");
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for ( int i = 0; i < words.length; i++ ) {
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words[i] = words[i].toLowerCase();
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words[i] = words[i].substring(0, 1).toUpperCase() + words[i].substring(1);
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output.append(words[i]).append(" ");
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}
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return output.toString();
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}
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}

‎src/main/resources/plugin.yml‎

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name: DamageDisplay
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version: '${project.version}'
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main: com.danlegt.damagedisplay.DamageDisplay
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api-version: '1.20'
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prefix: DamageDisplay
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authors: [Daniel Legt <contact@danlegt.com>]
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description: "A simple and efficient plugin for displaying damage events"
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website: https://danlegt.com

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