Add a `loadReader` helper function to DataLoader

Also minor name changing on a few DataLoader methods

src/main/java/emu/grasscutter/data/DataLoader.java

@@ -8,7 +8,9 @@ import emu.grasscutter.utils.Utils;
 
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.nio.file.Path;
 import java.util.List;
 
@@ -27,6 +29,24 @@ public class DataLoader {
     public static InputStream load(String resourcePath) throws FileNotFoundException {
         return load(resourcePath, true);
     }
+    
+    /**
+     * Creates an input stream reader for a data file. If the file isn't found within the /data directory then it will fallback to the default within the jar resources
+     *
+     * @param resourcePath The path to the data file to be loaded.
+     * @return InputStreamReader of the data file.
+     * @throws IOException
+     * @throws FileNotFoundException
+     * @see #load(String, boolean)
+     */
+    public static InputStreamReader loadReader(String resourcePath) throws IOException, FileNotFoundException {
+        try {
+            InputStream is = load(resourcePath, true);
+            return new InputStreamReader(is);
+        } catch (FileNotFoundException exception) {
+            throw exception;
+        }
+    }
 
     /**
      * Load a data file by its name.
@@ -49,7 +69,7 @@ public class DataLoader {
         return null;
     }
 
-    public static void CheckAllFiles() {
+    public static void checkAllFiles() {
         try {
             List<Path> filenames = FileUtils.getPathsFromResource("/defaults/data/");
 
@@ -58,16 +78,16 @@ public class DataLoader {
             } else for (Path file : filenames) {
                 String relativePath = String.valueOf(file).split("defaults[\\\\\\/]data[\\\\\\/]")[1];
 
-                CheckAndCopyData(relativePath);
+                checkAndCopyData(relativePath);
             }
         } catch (Exception e) {
             Grasscutter.getLogger().error("An error occurred while trying to check the data folder.", e);
         }
 
-        GenerateGachaMappings();
+        generateGachaMappings();
     }
 
-    private static void CheckAndCopyData(String name) {
+    private static void checkAndCopyData(String name) {
         String filePath = Utils.toFilePath(DATA(name));
 
         if (!Utils.fileExists(filePath)) {
@@ -93,7 +113,7 @@ public class DataLoader {
         }
     }
 
-    private static void GenerateGachaMappings() {
+    private static void generateGachaMappings() {
         if (!Utils.fileExists(GachaHandler.gachaMappings)) {
             try {
                 Grasscutter.getLogger().info("Creating default '" + GachaHandler.gachaMappings + "' data");

src/main/java/emu/grasscutter/data/ResourceLoader.java

@@ -312,9 +312,9 @@ public class ResourceLoader {
 
         for (String name : spawnDataNames) {
             // Load spawn entries from file
-            try (InputStream spawnDataEntries = DataLoader.load(name)) {
+            try (InputStreamReader reader = DataLoader.loadReader(name)) {
                 Type type = TypeToken.getParameterized(Collection.class, SpawnGroupEntry.class).getType();
-                List<SpawnGroupEntry> list = Grasscutter.getGsonFactory().fromJson(new InputStreamReader(spawnDataEntries), type);
+                List<SpawnGroupEntry> list = Grasscutter.getGsonFactory().fromJson(reader, type);
 
                 // Add spawns to group if it already exists in our spawn group map
                 spawnEntryMap.addAll(list);

src/main/java/emu/grasscutter/game/activity/ActivityManager.java

@@ -16,6 +16,7 @@ import org.reflections.Reflections;
 
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.Reader;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -44,9 +45,9 @@ public class ActivityManager extends BasePlayerManager {
             activityWatcherTypeMap.put(typeName.value(), ConstructorAccess.get(item));
         });
 
-        try(InputStream is = DataLoader.load("ActivityConfig.json"); InputStreamReader isr = new InputStreamReader(is)) {
+        try(Reader reader = DataLoader.loadReader("ActivityConfig.json")) {
             List<ActivityConfigItem> activities = Grasscutter.getGsonFactory().fromJson(
-                isr,
+                reader,
                 TypeToken.getParameterized(List.class, ActivityConfigItem.class).getType());
 
 

src/main/java/emu/grasscutter/game/combine/CombineManger.java

@@ -39,7 +39,7 @@ public class CombineManger extends BaseGameSystem {
 
     public static void initialize() {
 		// Read the data we need for strongbox.
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("ReliquaryDecompose.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("ReliquaryDecompose.json")) {
 			List<ReliquaryDecomposeEntry> decomposeEntries = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ReliquaryDecomposeEntry.class).getType());
 
 			for (ReliquaryDecomposeEntry entry : decomposeEntries) {

src/main/java/emu/grasscutter/game/drop/DropSystem.java

@@ -38,7 +38,7 @@ public class DropSystem extends BaseGameSystem {
     }
 
     public synchronized void load() {
-        try (Reader fileReader = new InputStreamReader(DataLoader.load("Drop.json"))) {
+        try (Reader fileReader = DataLoader.loadReader("Drop.json")) {
             getDropData().clear();
             List<DropInfo> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, DropInfo.class).getType());
             if(banners.size() > 0) {

src/main/java/emu/grasscutter/game/dungeons/challenge/DungeonChallenge.java

@@ -46,7 +46,7 @@ public class DungeonChallenge extends WorldChallenge {
 
 	public static void initialize() {
 		// Read the data we need for dungeon rewards drops.
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("DungeonDrop.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("DungeonDrop.json")) {
 			List<DungeonDrop> dungeonDropList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, DungeonDrop.class).getType());
 
 			for (DungeonDrop entry : dungeonDropList) {

src/main/java/emu/grasscutter/game/expedition/ExpeditionSystem.java

@@ -30,7 +30,7 @@ public class ExpeditionSystem extends BaseGameSystem {
     }
 
     public synchronized void load() {
-        try (Reader fileReader = new InputStreamReader(DataLoader.load("ExpeditionReward.json"))) {
+        try (Reader fileReader = DataLoader.loadReader("ExpeditionReward.json")) {
             getExpeditionRewardDataList().clear();
             List<ExpeditionRewardInfo> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ExpeditionRewardInfo.class).getType());
             if(banners.size() > 0) {

src/main/java/emu/grasscutter/game/gacha/GachaSystem.java

@@ -76,7 +76,7 @@ public class GachaSystem extends BaseGameSystem {
 	}
 
 	public synchronized void load() {
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("Banners.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("Banners.json")) {
 			getGachaBanners().clear();
 			List<GachaBanner> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, GachaBanner.class).getType());
 			if(banners.size() > 0) {

src/main/java/emu/grasscutter/game/managers/AnnouncementSystem.java

@@ -30,7 +30,7 @@ public class AnnouncementSystem extends BaseGameSystem {
     }
 
     private int loadConfig() {
-        try (var fileReader = new InputStreamReader(DataLoader.load("Announcement.json"))) {
+        try (var fileReader = DataLoader.loadReader("Announcement.json")) {
             List<AnnounceConfigItem> announceConfigItems = Grasscutter.getGsonFactory().fromJson(fileReader,
                 TypeToken.getParameterized(List.class, AnnounceConfigItem.class).getType());
 

src/main/java/emu/grasscutter/game/managers/energy/EnergyManager.java

@@ -62,7 +62,7 @@ public class EnergyManager extends BasePlayerManager {
 
     public static void initialize() {
         // Read the data we need for monster energy drops.
-        try (Reader fileReader = new InputStreamReader(DataLoader.load("EnergyDrop.json"))) {
+        try (Reader fileReader = DataLoader.loadReader("EnergyDrop.json")) {
             List<EnergyDropEntry> energyDropList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, EnergyDropEntry.class).getType());
 
             for (EnergyDropEntry entry : energyDropList) {

src/main/java/emu/grasscutter/game/shop/ShopSystem.java

@@ -60,7 +60,7 @@ public class ShopSystem extends BaseGameSystem {
 	}
 
 	private void loadShop() {
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("Shop.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("Shop.json")) {
 			getShopData().clear();
 			List<ShopTable> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopTable.class).getType());
 			if(banners.size() > 0) {
@@ -104,7 +104,7 @@ public class ShopSystem extends BaseGameSystem {
 	}
 
 	private void loadShopChest() {
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("ShopChest.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("ShopChest.json")) {
 			getShopChestData().clear();
 			List<ShopChestTable> shopChestTableList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopChestTable.class).getType());
 			if (shopChestTableList.size() > 0) {
@@ -119,7 +119,7 @@ public class ShopSystem extends BaseGameSystem {
 	}
 
 	private void loadShopChestBatchUse() {
-		try (Reader fileReader = new InputStreamReader(DataLoader.load("ShopChestBatchUse.json"))) {
+		try (Reader fileReader = DataLoader.loadReader("ShopChestBatchUse.json")) {
 			getShopChestBatchUseData().clear();
 			List<ShopChestBatchUseTable> shopChestBatchUseTableList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopChestBatchUseTable.class).getType());
 			if (shopChestBatchUseTableList.size() > 0) {

src/main/java/emu/grasscutter/game/tower/TowerSystem.java

@@ -25,7 +25,7 @@ public class TowerSystem extends BaseGameSystem {
     private TowerScheduleConfig towerScheduleConfig;
 
     public synchronized void load(){
-        try (Reader fileReader = new InputStreamReader(DataLoader.load("TowerSchedule.json"))) {
+        try (Reader fileReader = DataLoader.loadReader("TowerSchedule.json")) {
             towerScheduleConfig = Grasscutter.getGsonFactory().fromJson(fileReader, TowerScheduleConfig.class);
         } catch (Exception e) {
             Grasscutter.getLogger().error("Unable to load tower schedule config.", e);

src/main/java/emu/grasscutter/game/world/WorldDataSystem.java

@@ -19,6 +19,7 @@ import emu.grasscutter.server.game.GameServer;
 
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.Reader;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -41,9 +42,9 @@ public class WorldDataSystem extends BaseGameSystem {
         // set the special chest first
         chestInteractHandlerMap.put("SceneObj_Chest_Flora", new BossChestInteractHandler());
 
-    	try(InputStream is = DataLoader.load("ChestReward.json"); InputStreamReader isr = new InputStreamReader(is)) {
+    	try(Reader reader = DataLoader.loadReader("ChestReward.json")) {
             List<ChestReward> chestReward = Grasscutter.getGsonFactory().fromJson(
-            		isr,
+            		reader,
                     TypeToken.getParameterized(List.class, ChestReward.class).getType());
             
             chestReward.forEach(reward ->

src/main/java/emu/grasscutter/utils/Utils.java

@@ -191,7 +191,7 @@ public final class Utils {
 			createFolder(dataFolder);
 
 		// Make sure the data folder is populated, if there are any missing files copy them from resources
-		DataLoader.CheckAllFiles();
+		DataLoader.checkAllFiles();
 
 		if(exit) System.exit(1);
 	}