Fix ressource loading in JsonReader

Author: lkno0705

src/main/java/config/LootConfig.java

@@ -9,5 +9,5 @@ public class LootConfig {
     public static final int dropCommon = 60;
     public static final int dropRare = 35;
     public static final int dropLegendary = 5;
-    public static final JSONObject itemList = readJson(LootConfig.class.getResource("/items.JSON").getPath());
+    public static final JSONObject itemList = readJson("/items.JSON");
 }

src/main/java/utilities/JsonReader.java

@@ -3,15 +3,20 @@
 import org.json.JSONObject;
 
 import java.io.*;
+import java.nio.charset.StandardCharsets;
 
 public class JsonReader {
 
     public static JSONObject readJson(String fileName) {
+        InputStream inputStream = JsonReader.class.getResourceAsStream(fileName);
         StringBuilder sJson = new StringBuilder();
-        try (BufferedReader br = new BufferedReader(new FileReader(new File(fileName)))) {
-            String str;
-            while ((str = br.readLine()) != null) {
-                sJson.append(str).append("\n");
+        try {
+            assert inputStream != null;
+            try (BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8))) {
+                String str;
+                while ((str = br.readLine()) != null) {
+                    sJson.append(str).append("\n");
+                }
             }
         } catch (IOException e) {
             e.printStackTrace();