SpecialItem.getRandomItem chooses Missiles more often than Support Items

src/de/steamwar/misslewars/Config.java

@@ -48,6 +48,9 @@ public class Config {
 	public static final int ShieldFlyTime;
 	public static final int EndTime;
 
+	public static int MissileCount = 4;
+	public static double MissileChance = 0.7;
+
 	static{
 		File configfile = new File(Bukkit.getWorlds().get(0).getWorldFolder(), "config.yml");
 		if(!configfile.exists()){
@@ -61,6 +64,12 @@ public class Config {
 		ItemTime = config.getInt("ItemTime");
 		ShieldFlyTime = config.getInt("ShieldFlyTime");
 		EndTime = config.getInt("EndTime");
+		try {
+			MissileCount = config.getInt("MissileCount");
+			MissileChance = config.getDouble("MissileChance");
+		} catch (Exception e) {
+			Bukkit.getLogger().log(Level.SEVERE, e.getMessage(), e.getCause());
+		}
 
 		ConfigurationSection arena = config.getConfigurationSection("Arena");
 		assert arena != null;

src/de/steamwar/misslewars/items/Missile.java

@@ -33,6 +33,7 @@ import com.sk89q.worldedit.session.ClipboardHolder;
 import com.sk89q.worldedit.world.World;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
+import de.steamwar.misslewars.Config;
 import de.steamwar.misslewars.MissileWars;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
@@ -158,6 +159,11 @@ public class Missile extends SpecialItem {
 		return true;
 	}
 
+	@Override
+	public boolean isMissile() {
+		return true;
+	}
+
 	public static void init(){
 		File missileFolder = new File(MissileWars.getPlugin().getDataFolder(), "default-missles");
 		if (!missileFolder.exists() || !missileFolder.canRead() || !missileFolder.isDirectory()) {
@@ -176,11 +182,11 @@ public class Missile extends SpecialItem {
 		}
 		File[] files = missileFolder.listFiles();
 		if (files == null) return;
-		if (files.length < 4) return;
+		if (files.length < Config.MissileCount) return;
 		List<File> pool = new ArrayList<>(files.length);
 		pool.addAll(Arrays.asList(files));
 
-		for (int i = 0; i < 4; i++) {
+		for (int i = 0; i < Config.MissileCount; i++) {
 			File missileFile = pool.remove(r.nextInt(pool.size()));
 			if (!missileFile.canRead() || !missileFile.isFile()) continue;
 			new Missile(missileFile, true);

src/de/steamwar/misslewars/items/SpecialItem.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.misslewars.items;
 
+import de.steamwar.misslewars.Config;
 import org.bukkit.Material;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Player;
@@ -32,14 +33,22 @@ public abstract class SpecialItem {
 
 	private static final Random random = new Random();
 
-	private static List<SpecialItem> items = new ArrayList<>();
+	private static List<SpecialItem> supportItems = new ArrayList<>();
+	private static List<SpecialItem> missileItems = new ArrayList<>();
 
-	SpecialItem(){
-		items.add(this);
+	SpecialItem() {
+		if (this.isMissile()) {
+			missileItems.add(this);
+			return;
+		}
+		supportItems.add(this);
 	}
 
 	public abstract ItemStack getItem();
 	public abstract boolean handleUse(Player p);
+	public boolean isMissile() {
+		return false;
+	}
 
 	public ItemStack createItem(Material material, String name, int amount) {
 		return createItem(material, name, amount, new ArrayList<>(), false);
@@ -57,16 +66,20 @@ public abstract class SpecialItem {
 		return item;
 	}
 
-	public static boolean handleUse(ItemStack item, Player player){
-		for(SpecialItem specialItem : items){
-			if(item.isSimilar(specialItem.getItem())){
+	public static boolean handleUse(ItemStack item, Player player) {
+		for (SpecialItem specialItem : supportItems) {
+			if (item.isSimilar(specialItem.getItem())) {
 				return specialItem.handleUse(player);
 			}
 		}
 		return false;
 	}
 
-	public static ItemStack getRandomItem(){
-		return items.get(random.nextInt(items.size())).getItem();
+	public static ItemStack getRandomItem() {
+		if (random.nextDouble() > Config.MissileChance) {
+			return supportItems.get(random.nextInt(supportItems.size())).getItem();
+		} else {
+			return missileItems.get(random.nextInt(missileItems.size())).getItem();
+		}
 	}
 }