VillagerSummoning/Placing & automatic config updating

src/main/java/eu/mhsl/craftattack/spawn/util/ConfigUtil.java

@@ -0,0 +1,51 @@
+package eu.mhsl.craftattack.spawn.util;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.configuration.file.YamlConfiguration;
+import java.io.File;
+import java.util.List;
+import java.util.Objects;
+
+public class ConfigUtil {
+    private static ConfigUtil instance;
+    private final File file;
+    private final FileConfiguration config;
+    public static ConfigUtil getConfigUtil() {
+        if (instance != null) return instance;
+        instance = new ConfigUtil("config.yml");
+        return instance;
+    }
+    private ConfigUtil(String path) {
+        this.file = new File(Objects.requireNonNull(Bukkit.getPluginManager().getPlugin("spawn")).getDataFolder().getAbsolutePath() + "/" + path);
+        this.config = YamlConfiguration.loadConfiguration(this.file);
+    }
+    public boolean save() {
+        try {
+            this.config.save(this.file);
+            return true;
+        }catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+    public FileConfiguration getConfig() {
+        return this.config;
+    }
+    public Location getVillagerLocation() {
+        List<Double> cordsList = this.config.getDoubleList("villagerLocation");
+        World world = Bukkit.getWorld("world");
+        double x = cordsList.get(0);
+        double y = cordsList.get(1);
+        double z = cordsList.get(2);
+        double yaw = cordsList.get(3);
+        double pitch = cordsList.get(4);
+        Location location = new Location(world, x, y, z);
+        location.setYaw((float) yaw);
+        location.setPitch((float) pitch);
+
+        return location;
+    }
+}

src/main/java/eu/mhsl/craftattack/spawn/util/VillagerSpawner.java

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+package eu.mhsl.craftattack.spawn.util;
+
+import org.bukkit.Location;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Villager;
+
+public class VillagerSpawner {
+    private static Villager staticVillager;
+    public static void spawnVillager() {
+        ConfigUtil config = ConfigUtil.getConfigUtil();
+        Location location = config.getVillagerLocation();
+
+        assert EntityType.VILLAGER.getEntityClass() != null;
+        Entity entity = location.getWorld().spawn(location, EntityType.VILLAGER.getEntityClass());
+
+        Villager villager = (Villager) entity;
+        villager.setAI(false);
+        villager.setInvulnerable(true);
+        villager.setSilent(true);
+        villager.setCollidable(false);
+        villager.setRemoveWhenFarAway(false);
+        villager.setProfession(Villager.Profession.LIBRARIAN);
+
+        staticVillager = villager;
+    }
+    public static void killVillager() {
+        staticVillager.remove();
+    }
+
+    public static Villager getStaticVillager() {
+        return staticVillager;
+    }
+}