Fix new avatar weapons being null

src/main/java/emu/grasscutter/game/avatar/Avatar.java

@@ -1,34 +1,21 @@
 package emu.grasscutter.game.avatar;
 
-import static emu.grasscutter.config.Configuration.GAME_OPTIONS;
-
 import dev.morphia.annotations.*;
 import emu.grasscutter.GameConstants;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.binout.OpenConfigEntry;
 import emu.grasscutter.data.binout.OpenConfigEntry.SkillPointModifier;
 import emu.grasscutter.data.common.FightPropData;
-import emu.grasscutter.data.excels.EquipAffixData;
+import emu.grasscutter.data.excels.*;
 import emu.grasscutter.data.excels.ItemData.WeaponProperty;
-import emu.grasscutter.data.excels.ProudSkillData;
-import emu.grasscutter.data.excels.avatar.AvatarData;
-import emu.grasscutter.data.excels.avatar.AvatarSkillData;
-import emu.grasscutter.data.excels.avatar.AvatarSkillDepotData;
+import emu.grasscutter.data.excels.avatar.*;
 import emu.grasscutter.data.excels.avatar.AvatarSkillDepotData.InherentProudSkillOpens;
-import emu.grasscutter.data.excels.avatar.AvatarTalentData;
-import emu.grasscutter.data.excels.reliquary.ReliquaryAffixData;
-import emu.grasscutter.data.excels.reliquary.ReliquaryLevelData;
-import emu.grasscutter.data.excels.reliquary.ReliquaryMainPropData;
-import emu.grasscutter.data.excels.reliquary.ReliquarySetData;
+import emu.grasscutter.data.excels.reliquary.*;
 import emu.grasscutter.data.excels.trial.TrialAvatarTemplateData;
-import emu.grasscutter.data.excels.weapon.WeaponCurveData;
-import emu.grasscutter.data.excels.weapon.WeaponPromoteData;
+import emu.grasscutter.data.excels.weapon.*;
 import emu.grasscutter.database.DatabaseHelper;
-import emu.grasscutter.game.entity.EntityAvatar;
-import emu.grasscutter.game.entity.EntityWeapon;
-import emu.grasscutter.game.inventory.EquipType;
-import emu.grasscutter.game.inventory.GameItem;
-import emu.grasscutter.game.inventory.ItemType;
+import emu.grasscutter.game.entity.*;
+import emu.grasscutter.game.inventory.*;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.*;
 import emu.grasscutter.net.proto.AvatarFetterInfoOuterClass.AvatarFetterInfo;
@@ -43,15 +30,14 @@ import emu.grasscutter.net.proto.TrialAvatarInfoOuterClass.TrialAvatarInfo;
 import emu.grasscutter.server.packet.send.*;
 import emu.grasscutter.utils.helpers.ProtoHelper;
 import it.unimi.dsi.fastutil.ints.*;
+import lombok.*;
+import org.bson.types.ObjectId;
+
+import javax.annotation.*;
 import java.util.*;
 import java.util.stream.Stream;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import lombok.AllArgsConstructor;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.val;
-import org.bson.types.ObjectId;
+
+import static emu.grasscutter.config.Configuration.GAME_OPTIONS;
 
 @Entity(value = "avatars", useDiscriminator = false)
 public class Avatar {
@@ -241,10 +227,22 @@ public class Avatar {
         return this.getEquips().get(slotId);
     }
 
+    /**
+     * @return The avatar's equipped weapon.
+     */
+    @Nullable
     public GameItem getWeapon() {
         return this.getEquipBySlot(EquipType.EQUIP_WEAPON);
     }
 
+    /**
+     * @return The avatar's equipped weapon.
+     * @throws NullPointerException If the avatar does not have a weapon.
+     */
+    public GameItem getWeaponNotNull() {
+        return Objects.requireNonNull(this.getWeapon(), "Avatar does not have a weapon.");
+    }
+
     protected void setSkillDepot(AvatarSkillDepotData skillDepot) {
         if (this.skillDepot != null) return;
         this.skillDepot = skillDepot; // Used while loading this from the database

src/main/java/emu/grasscutter/game/avatar/AvatarStorage.java

@@ -129,6 +129,8 @@ public class AvatarStorage extends BasePlayerManager implements Iterable<Avatar>
     }
 
     public void loadFromDatabase() {
+        if (this.isLoaded()) return;
+
         List<Avatar> avatars = DatabaseHelper.getAvatars(getPlayer());
 
         for (Avatar avatar : avatars) {
@@ -156,6 +158,8 @@ public class AvatarStorage extends BasePlayerManager implements Iterable<Avatar>
             this.avatars.put(avatar.getAvatarId(), avatar);
             this.avatarsGuid.put(avatar.getGuid(), avatar);
         }
+
+        this.setLoaded(true);
     }
 
     public void postLoad() {

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

@@ -1,31 +1,24 @@
 package emu.grasscutter.game.inventory;
 
-import static emu.grasscutter.config.Configuration.INVENTORY_LIMITS;
-
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.common.ItemParamData;
 import emu.grasscutter.data.excels.ItemData;
 import emu.grasscutter.database.DatabaseHelper;
-import emu.grasscutter.game.avatar.Avatar;
-import emu.grasscutter.game.avatar.AvatarStorage;
-import emu.grasscutter.game.player.BasePlayerManager;
-import emu.grasscutter.game.player.Player;
-import emu.grasscutter.game.props.ActionReason;
+import emu.grasscutter.game.avatar.*;
+import emu.grasscutter.game.player.*;
+import emu.grasscutter.game.props.*;
 import emu.grasscutter.game.props.ItemUseAction.UseItemParams;
-import emu.grasscutter.game.props.PlayerProperty;
-import emu.grasscutter.game.props.WatcherTriggerType;
 import emu.grasscutter.game.quest.enums.QuestContent;
 import emu.grasscutter.net.proto.ItemParamOuterClass.ItemParam;
 import emu.grasscutter.server.packet.send.*;
-import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
-import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
-import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
+import emu.grasscutter.utils.Utils;
+import it.unimi.dsi.fastutil.ints.*;
+import it.unimi.dsi.fastutil.longs.*;
+
+import java.util.*;
+
+import static emu.grasscutter.config.Configuration.INVENTORY_LIMITS;
 
 public class Inventory extends BasePlayerManager implements Iterable<GameItem> {
     private final Long2ObjectMap<GameItem> store;
@@ -535,6 +528,11 @@ public class Inventory extends BasePlayerManager implements Iterable<GameItem> {
     }
 
     public void loadFromDatabase() {
+        if (this.isLoaded()) return;
+
+        // Wait for avatars to load.
+        Utils.waitFor(this.getPlayer().getAvatars()::isLoaded);
+
         List<GameItem> items = DatabaseHelper.getInventoryItems(getPlayer());
 
         for (GameItem item : items) {
@@ -575,6 +573,7 @@ public class Inventory extends BasePlayerManager implements Iterable<GameItem> {
 
         // Load avatars after inventory.
         this.getPlayer().getAvatars().postLoad();
+        this.setLoaded(true);
     }
 
     @Override

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

@@ -1,9 +1,12 @@
 package emu.grasscutter.game.player;
 
-import lombok.NonNull;
+import lombok.*;
 
 public abstract class BasePlayerManager {
     protected final transient Player player;
+    @Getter
+    @Setter(AccessLevel.PROTECTED)
+    protected boolean loaded = false;
 
     public BasePlayerManager(@NonNull Player player) {
         this.player = player;

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

@@ -1325,11 +1325,20 @@ public class Player implements PlayerHook, FieldFetch {
 
         runner.submit(this::loadBattlePassManager);
 
+        // Wait for all tasks to finish.
+        Utils.waitFor(() ->
+            this.getAvatars().isLoaded() &&
+                this.getInventory().isLoaded());
+
         this.getPlayerProgress().setPlayer(this); // Add reference to the player.
     }
 
+    /**
+     * Invoked when the player selects their avatar.
+     */
     public void onPlayerBorn() {
-        getQuestManager().onPlayerBorn();
+        Grasscutter.getThreadPool().submit(
+            this.getQuestManager()::onPlayerBorn);
     }
 
     public void onLogin() {

src/main/java/emu/grasscutter/server/packet/send/PacketSceneTeamUpdateNotify.java

@@ -22,7 +22,7 @@ public class PacketSceneTeamUpdateNotify extends BasePacket {
                                 .setSceneId(p.getSceneId())
                                 .setEntityId(entityAvatar.getId())
                                 .setSceneEntityInfo(entityAvatar.toProto())
-                                .setWeaponGuid(entityAvatar.getAvatar().getWeapon().getGuid())
+                                .setWeaponGuid(entityAvatar.getAvatar().getWeaponNotNull().getGuid())
                                 .setWeaponEntityId(entityAvatar.getWeaponEntityId())
                                 .setIsPlayerCurAvatar(p.getTeamManager().getCurrentAvatarEntity() == entityAvatar)
                                 .setIsOnScene(p.getTeamManager().getCurrentAvatarEntity() == entityAvatar)

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

@@ -1,15 +1,16 @@
 package emu.grasscutter.utils;
 
-import static emu.grasscutter.utils.FileUtils.getResourcePath;
-import static emu.grasscutter.utils.lang.Language.translate;
-
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.config.ConfigContainer;
 import emu.grasscutter.data.DataLoader;
 import emu.grasscutter.game.world.Position;
+import emu.grasscutter.utils.objects.Returnable;
 import io.javalin.http.Context;
 import io.netty.buffer.*;
 import it.unimi.dsi.fastutil.ints.*;
+import org.slf4j.Logger;
+
+import javax.annotation.Nullable;
 import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.*;
@@ -17,8 +18,9 @@ import java.time.*;
 import java.time.temporal.TemporalAdjusters;
 import java.util.*;
 import java.util.concurrent.ThreadLocalRandom;
-import javax.annotation.Nullable;
-import org.slf4j.Logger;
+
+import static emu.grasscutter.utils.FileUtils.getResourcePath;
+import static emu.grasscutter.utils.lang.Language.translate;
 
 @SuppressWarnings({"UnusedReturnValue", "BooleanMethodIsAlwaysInverted"})
 public final class Utils {
@@ -477,4 +479,20 @@ public final class Utils {
         // Return the request IP.
         return ctx.ip();
     }
+
+    /**
+     * Waits for the task to return true.
+     * This will halt the thread until the task returns true.
+     *
+     * @param runnable The task to run.
+     */
+    public static void waitFor(Returnable<Boolean> runnable) {
+        while (!runnable.invoke()) {
+            try {
+                Thread.sleep(100);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+    }
 }