Added NPC location config

src/main/java/com/alttd/fishingevent/config/NPCLocationConfig.java

@@ -0,0 +1,60 @@
+package com.alttd.fishingevent.config;
+
+import com.alttd.fishingevent.FishingEvent;
+import com.alttd.fishingevent.util.Logger;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.configuration.ConfigurationSection;
+
+import java.util.*;
+
+public class NPCLocationConfig extends AbstractConfig{
+    static NPCLocationConfig config;
+    private final Logger logger;
+
+    NPCLocationConfig(FishingEvent fishingEvent, Logger logger) {
+        super(fishingEvent, "npc-location.yml", logger);
+        this.logger = logger;
+    }
+
+    public static void reload(FishingEvent fishingEvent, Logger logger) {
+        config = new NPCLocationConfig(fishingEvent, logger);
+        config.readConfig(NPCLocationConfig.class, null);
+    }
+
+    public static class NPC_LOCATION {
+        private static final String prefix = "npc.";
+
+        public static Map<String, Location> ALL = new HashMap<>();
+
+        @SuppressWarnings("unused")
+        private static void load() {
+            ALL.clear();
+            ConfigurationSection configurationSection = config.getConfigurationSection(prefix);
+            if (configurationSection == null)
+                return;
+            Set<String> npcKeys = configurationSection.getKeys(false);
+            for (String key : npcKeys) {
+                Optional<Location> location = getLocation(prefix + key + ".location.");
+                if (location.isEmpty())
+                    continue;
+                ALL.put(key, location.get());
+            }
+        }
+
+        private static Optional<Location> getLocation(String prefix) {
+            World world = Bukkit.getWorld(config.getString(prefix, "world", "world"));
+            if (world == null) {
+                config.logger.warning("Unable to load world for [%]", prefix);
+                return Optional.empty();
+            }
+            double x = config.getDouble(prefix, "x", 0);
+            double y = config.getDouble(prefix, "y", 0);
+            double z = config.getDouble(prefix, "z", 0);
+            float pitch = (float) config.getDouble(prefix, "pitch", 0);
+            float yaw = (float) config.getDouble(prefix, "yaw", 0);
+            return Optional.of(new Location(world, x, y, z, pitch, yaw));
+        }
+    }
+}