Plugin will no longer download glyphs, they came embedded in the JAR.

pom.xml

@@ -118,12 +118,6 @@
             <scope>system</scope>
             <systemPath>${project.basedir}/lib/proxy-plugin-1.2.4.jar</systemPath>
         </dependency>
-        <dependency>
-            <groupId>fr.mrmicky</groupId>
-            <artifactId>FastParticles</artifactId>
-            <version>1.2.4</version>
-            <scope>compile</scope>
-        </dependency>
         <dependency>
             <groupId>com.github.MilkBowl</groupId>
             <artifactId>VaultAPI</artifactId>
@@ -159,5 +153,11 @@
             <version>5.0.1</version>
             <scope>compile</scope>
         </dependency>
+            <dependency>
+                <groupId>xyz.xenondevs</groupId>
+                <artifactId>particle</artifactId>
+                <version>1.8.4</version>
+                <scope>compile</scope>
+            </dependency>
     </dependencies>
 </project>

src/main/java/me/defender/cosmetics/api/category/glyphs/items/GlyphItems.java

@@ -69,7 +69,7 @@ public RarityType getRarity() {
                 public void execute(Player player, Location location) {
                     String fileLocation = config.getString(path + "file");
                     File file = new File(Utility.plugin().getDataFolder().getPath() + "/Glyphs/" + fileLocation);
-                    HCore.syncScheduler().every(500, TimeUnit.MILLISECONDS).limit(10).run(()-> {
+                    HCore.asyncScheduler().every(500, TimeUnit.MILLISECONDS).limit(10).run(()-> {
                         glyphUtil.sendglyphs(player, file, location);
                             });
                 }

src/main/java/me/defender/cosmetics/api/category/glyphs/util/ImageParticles.java

@@ -17,7 +17,7 @@ public class ImageParticles
     private double ratio;
     private final BufferedImage image;
     private final int clearence;
-    
+
     public ImageParticles(final BufferedImage image, final int scanQuality) {
         this.particles = new HashMap<Vector, Color>();
         this.anchor = new Vector(0, 0, 0);
@@ -26,15 +26,15 @@ public ImageParticles(final BufferedImage image, final int scanQuality) {
         this.image = image;
         this.renderParticles(Math.abs(scanQuality));
     }
-    
+
     public void setAnchor(final int x, final int y) {
         this.anchor = new Vector(x, y, 0);
     }
-    
+
     public void setDisplayRatio(final double ratio) {
         this.ratio = ratio;
     }
-    
+
     public Map<Location, Color> getParticles(final Location location, final double pitch, final double yaw) {
         final Map<Location, Color> map = new HashMap<Location, Color>();
         for (final Vector vector : this.particles.keySet()) {
@@ -46,11 +46,11 @@ public Map<Location, Color> getParticles(final Location location, final double p
         }
         return map;
     }
-    
+
     public Map<Location, Color> getParticles(final Location location) {
         return this.getParticles(location, location.getPitch(), location.getYaw());
     }
-    
+
     private void renderParticles(final int sensitivity) {
         final int height = this.image.getHeight();
         for (int width = this.image.getWidth(), x = 0; x < width; x += sensitivity) {
@@ -64,7 +64,7 @@ private void renderParticles(final int sensitivity) {
             }
         }
     }
-    
+
     private Vector rotateAroundAxisX(final Vector v, double angle) {
         angle = Math.toRadians(angle);
         final double cos = Math.cos(angle);
@@ -73,7 +73,7 @@ private Vector rotateAroundAxisX(final Vector v, double angle) {
         final double z = v.getY() * sin + v.getZ() * cos;
         return v.setY(y).setZ(z);
     }
-    
+
     private Vector rotateAroundAxisY(final Vector v, double angle) {
         angle = -angle;
         angle = Math.toRadians(angle);

src/main/java/me/defender/cosmetics/api/category/glyphs/util/glyphUtil.java

@@ -2,12 +2,14 @@
 
 package me.defender.cosmetics.api.category.glyphs.util;
 
-import fr.mrmicky.fastparticle.FastParticle;
-import fr.mrmicky.fastparticle.ParticleType;
+import com.hakan.core.HCore;
 import org.bukkit.Color;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.scheduler.BukkitTask;
+import xyz.xenondevs.particle.ParticleBuilder;
+import xyz.xenondevs.particle.ParticleEffect;
+import xyz.xenondevs.particle.data.color.RegularColor;
 
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
@@ -20,19 +22,24 @@ public class glyphUtil
     public static BukkitTask task = null;
 
     public static void sendglyphs(Player p, File file, Location loc) {
-        BufferedImage image = null;
         try {
-            image = ImageIO.read(file);
-        }
-        catch (final IOException e) {
-            e.printStackTrace();
-        }
-        ImageParticles particles = new ImageParticles(image, 1);
-        particles.setAnchor(50, 10);
-        particles.setDisplayRatio(0.1);
-        Map<Location, Color> particle = particles.getParticles(loc, loc.getPitch(), 180.0);
-        for (Location spot : particle.keySet()) {
-            FastParticle.spawnParticle(p.getWorld(), ParticleType.REDSTONE, spot, 1, particle.get(spot));
+            BufferedImage image = null;
+            try {
+                image = ImageIO.read(file);
+            } catch (final IOException e) {
+                e.printStackTrace();
+            }
+            ImageParticles particles = new ImageParticles(image, 1);
+            particles.setAnchor(50, 10);
+            particles.setDisplayRatio(0.1);
+            Map<Location, Color> particle = particles.getParticles(loc, loc.getPitch(), 180.0f);
+            for (Location spot : particle.keySet()) {
+                HCore.syncScheduler().run(() -> new ParticleBuilder(ParticleEffect.REDSTONE, spot)
+                        .setParticleData(new RegularColor(particle.get(spot).getRed(), particle.get(spot).getGreen(), particle.get(spot).getBlue()))
+                        .display());
+            }
+        }catch (Exception exception){
+
         }
     }
 

src/main/java/me/defender/cosmetics/api/util/StartupUtils.java

@@ -142,7 +142,7 @@ public static void downloadGlyphs() {
             tempFile.delete();
         }
         String[] filesInFolder = folder.list();
-        if (filesInFolder != null && filesInFolder.length != 0) {
+        if (filesInFolder != null && filesInFolder.length == 0) {
             return;
         }
         JavaPlugin plugin = Utility.plugin();

src/main/java/me/defender/cosmetics/listener/PlayerLeaveListener.java

@@ -1,5 +1,6 @@
 package me.defender.cosmetics.listener;
 
+import com.hakan.core.HCore;
 import me.defender.cosmetics.api.BwcAPI;
 import me.defender.cosmetics.api.util.Utility;
 import org.bukkit.event.EventHandler;
@@ -12,9 +13,12 @@ public class PlayerLeaveListener implements Listener {
     public void onLeave(PlayerQuitEvent e){
         BwcAPI api = new BwcAPI();
         // Saving for SQLite will be on shutdown.
-        if(api.isMySQL()) {
-            Utility.playerDataList.get(e.getPlayer().getUniqueId()).save();
-            Utility.playerOwnedDataList.get(e.getPlayer().getUniqueId()).save();
+        if(api.isMySQL() && Utility.playerDataList.containsKey(e.getPlayer().getUniqueId())) {
+            HCore.asyncScheduler().run(() -> Utility.playerDataList.get(e.getPlayer().getUniqueId()).save());
+            // Didn't use && for playerOwnedData because it's okay for it to be null, I guess...
+            if(Utility.playerOwnedDataList.containsKey(e.getPlayer().getUniqueId())) {
+                HCore.asyncScheduler().run(() -> Utility.playerOwnedDataList.get(e.getPlayer().getUniqueId()).save());
+            }
         }
     }
 }