config.yml

@@ -1 +1,5 @@
 UHCMatchState: "IDLE"
+magic:
+  cannonbow:
+    speedmultiplier: 1.5
+    minforce: 0.2

pom.xml

@@ -85,7 +85,7 @@
 	<dependencies>
 		<dependency>
 			<groupId>org.spigotmc</groupId>
-			<artifactId>spigot-api</artifactId>
+			<artifactId>spigot</artifactId>
 			<version>1.11-R0.1-SNAPSHOT</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->

src/buttondevteam/alipresents/components/magic/tricks/CannonBowListener.java

@@ -1,9 +1,13 @@
 package buttondevteam.alipresents.components.magic.tricks;
 
+import java.lang.reflect.Field;
+
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.Particle;
 import org.bukkit.Sound;
+import org.bukkit.craftbukkit.v1_11_R1.entity.CraftLivingEntity;
+import org.bukkit.craftbukkit.v1_11_R1.entity.CraftTNTPrimed;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Arrow;
 import org.bukkit.entity.EntityType;
@@ -17,13 +21,16 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.util.Vector;
 
+import net.minecraft.server.v1_11_R1.EntityLiving;
+import net.minecraft.server.v1_11_R1.EntityTNTPrimed;
+
 public class CannonBowListener implements Listener {
 	public static double SpeedMultiplier = 1.5;
 	public static double minforce = 0.2;
 	public final static String launchedTNTName = "CANNON BOW TNT:42170";
-	JavaPlugin plugin;
 	public CannonBowListener(JavaPlugin plugin){
-		this.plugin = plugin;
+		SpeedMultiplier = plugin.getConfig().getDouble("magic.cannonbow.speedmultiplier");
+		minforce = plugin.getConfig().getDouble("magic.cannonbow.minforce");
 	}
 	
 	@EventHandler
@@ -56,13 +63,25 @@ public class CannonBowListener implements Listener {
 		}else{
 			TNTPrimed tnt = (TNTPrimed) arrow.getWorld().spawnEntity(arrow.getLocation(), EntityType.PRIMED_TNT);
 
+			// Change via NMS the source of the TNT by the player
+			EntityLiving nmsPlayer = (EntityLiving) (((CraftLivingEntity) player).getHandle());
+			EntityTNTPrimed nmsTNT = (EntityTNTPrimed) (((CraftTNTPrimed) tnt).getHandle());
+			try {
+			    Field sourceField = EntityTNTPrimed.class.getDeclaredField("source");
+			    sourceField.setAccessible(true);
+			    sourceField.set(nmsTNT, nmsPlayer);
+			} catch (Exception ex) {
+			    ex.printStackTrace();
+			}
+			
+			
 			tnt.setVelocity(playerVector.multiply(SpeedMultiplier).multiply(event.getForce()));
 			tnt.setCustomName(launchedTNTName);
 			tnt.setFuseTicks(40);
 			
 			//Player Recoil
 			player.setVelocity(player.getEyeLocation().getDirection().normalize().multiply(-1));
-			player.getWorld().playSound(player.getLocation(), Sound.ENTITY_GENERIC_EXPLODE, 2.0F, 0);
+			player.getWorld().playSound(player.getLocation(), Sound.ENTITY_GENERIC_EXPLODE, 1.0F, 0);
 			player.getWorld().spawnParticle(Particle.EXPLOSION_NORMAL, player.getLocation(), 2);
 			
 		}

src/buttondevteam/alipresents/components/magic/tricks/CannonBowSettings.java

@@ -11,10 +11,16 @@ public class CannonBowSettings extends ModCommand {
 	public boolean OnCommand(Player player, String alias, String[] args) {
 		switch(args[0].toLowerCase()){
 		case "speedmultiplier":
-			CannonBowListener.SpeedMultiplier = NumberUtils.toDouble(args[1], CannonBowListener.SpeedMultiplier);
+			double speedMultiplier = NumberUtils.toDouble(args[1], CannonBowListener.SpeedMultiplier);
+			CannonBowListener.SpeedMultiplier = speedMultiplier;
+			this.getPlugin().getConfig().set("magic.cannonbow.speedmultiplier", speedMultiplier);
+			this.getPlugin().saveConfig();
 			break;
 		case "minforce":
-			CannonBowListener.minforce = NumberUtils.toDouble(args[1], CannonBowListener.SpeedMultiplier);
+			double minforce = NumberUtils.toDouble(args[1], CannonBowListener.minforce);
+			CannonBowListener.minforce = minforce;
+			this.getPlugin().getConfig().set("magic.cannonbow.minforce", minforce);
+			this.getPlugin().saveConfig();
 			break;
 		default:
 			player.sendMessage("That isn't a valid setting!");