Fixed genesis crystals not being given to player

src/main/java/emu/grasscutter/game/inventory/Inventory.java

@@ -249,6 +249,9 @@ public class Inventory implements Iterable<GameItem> {
 			case 202: // Mora
 				getPlayer().setMora(player.getMora() + count);
 				break;
+			case 203: // Genesis Crystals
+				getPlayer().setCrystals(player.getCrystals() + count);
+				break;
 		}
 	}
 	

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

@@ -923,6 +923,7 @@ public class InventoryManager {
 				break;
 		}
 
+		// Welkin
 		if (useItem.getItemId() == 1202) {
 			player.rechargeMoonCard();
 			used = 1;

src/main/java/emu/grasscutter/game/player/Player.java

@@ -294,6 +294,15 @@ public class Player {
 		this.setProperty(PlayerProperty.PROP_PLAYER_SCOIN, mora);
 		this.sendPacket(new PacketPlayerPropNotify(this, PlayerProperty.PROP_PLAYER_SCOIN));
 	}
+	
+	public int getCrystals() {
+		return this.getProperty(PlayerProperty.PROP_PLAYER_MCOIN);
+	}
+
+	public void setCrystals(int crystals) {
+		this.setProperty(PlayerProperty.PROP_PLAYER_MCOIN, crystals);
+		this.sendPacket(new PacketPlayerPropNotify(this, PlayerProperty.PROP_PLAYER_MCOIN));
+	}
 
 	private int getExpRequired(int level) {
 		PlayerLevelData levelData = GameData.getPlayerLevelDataMap().get(level);
@@ -550,11 +559,7 @@ public class Player {
 	}
 
 	public void rechargeMoonCard() {
-		LinkedList<GameItem> items = new LinkedList<GameItem>();
-		for (int i = 0; i < 300; i++) {
-			items.add(new GameItem(203));
-		} 
-		inventory.addItems(items);
+		inventory.addItem(new GameItem(203, 300));
 		if (!moonCard) {
 			moonCard = true;
 			Date now = new Date();

src/main/java/emu/grasscutter/server/packet/recv/HandlerBuyGoodsReq.java

@@ -32,7 +32,7 @@ public class HandlerBuyGoodsReq extends PacketHandler {
             if (sg.getHcoin() > 0 && session.getPlayer().getPrimogems() < buyGoodsReq.getBoughtNum() * sg.getHcoin()) {
                 return;
             }
-            if (sg.getMcoin() > 0 && session.getPlayer().getProperty(PlayerProperty.PROP_PLAYER_MCOIN) < buyGoodsReq.getBoughtNum() * sg.getMcoin()) {
+            if (sg.getMcoin() > 0 && session.getPlayer().getCrystals() < buyGoodsReq.getBoughtNum() * sg.getMcoin()) {
                 return;
             }
 
@@ -46,7 +46,7 @@ public class HandlerBuyGoodsReq extends PacketHandler {
 
             session.getPlayer().setMora(session.getPlayer().getMora() - buyGoodsReq.getBoughtNum() * sg.getScoin());
             session.getPlayer().setPrimogems(session.getPlayer().getPrimogems() - buyGoodsReq.getBoughtNum() * sg.getHcoin());
-            session.getPlayer().setProperty(PlayerProperty.PROP_PLAYER_MCOIN, session.getPlayer().getProperty(PlayerProperty.PROP_PLAYER_MCOIN) - buyGoodsReq.getBoughtNum() * sg.getMcoin());
+            session.getPlayer().setCrystals(session.getPlayer().getCrystals() - buyGoodsReq.getBoughtNum() * sg.getMcoin());
 
             if (!itemsCache.isEmpty()) {
                 for (GameItem gi : itemsCache.keySet()) {