Implement viewing character details in character showcase

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

@@ -15,7 +15,6 @@ import dev.morphia.annotations.Indexed;
 import dev.morphia.annotations.PostLoad;
 import dev.morphia.annotations.PrePersist;
 import dev.morphia.annotations.Transient;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.common.FightPropData;
 import emu.grasscutter.data.custom.OpenConfigEntry;
@@ -26,18 +25,19 @@ import emu.grasscutter.data.def.AvatarSkillDepotData;
 import emu.grasscutter.data.def.AvatarSkillDepotData.InherentProudSkillOpens;
 import emu.grasscutter.data.def.AvatarTalentData;
 import emu.grasscutter.data.def.EquipAffixData;
+import emu.grasscutter.data.def.ItemData.WeaponProperty;
+import emu.grasscutter.data.def.ProudSkillData;
 import emu.grasscutter.data.def.ReliquaryAffixData;
 import emu.grasscutter.data.def.ReliquaryLevelData;
 import emu.grasscutter.data.def.ReliquaryMainPropData;
 import emu.grasscutter.data.def.ReliquarySetData;
 import emu.grasscutter.data.def.WeaponCurveData;
 import emu.grasscutter.data.def.WeaponPromoteData;
-import emu.grasscutter.data.def.ItemData.WeaponProperty;
-import emu.grasscutter.data.def.ProudSkillData;
 import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.entity.EntityAvatar;
 import emu.grasscutter.game.inventory.EquipType;
 import emu.grasscutter.game.inventory.GameItem;
+import emu.grasscutter.game.inventory.ItemType;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.ElementType;
 import emu.grasscutter.game.props.EntityIdType;
@@ -45,8 +45,11 @@ import emu.grasscutter.game.props.FetterState;
 import emu.grasscutter.game.props.FightProperty;
 import emu.grasscutter.game.props.PlayerProperty;
 import emu.grasscutter.net.proto.AvatarFetterInfoOuterClass.AvatarFetterInfo;
-import emu.grasscutter.net.proto.FetterDataOuterClass.FetterData;
 import emu.grasscutter.net.proto.AvatarInfoOuterClass.AvatarInfo;
+import emu.grasscutter.net.proto.FetterDataOuterClass.FetterData;
+import emu.grasscutter.net.proto.ShowAvatarInfoOuterClass;
+import emu.grasscutter.net.proto.ShowAvatarInfoOuterClass.ShowAvatarInfo;
+import emu.grasscutter.net.proto.ShowEquipOuterClass.ShowEquip;
 import emu.grasscutter.server.packet.send.PacketAbilityChangeNotify;
 import emu.grasscutter.server.packet.send.PacketAvatarEquipChangeNotify;
 import emu.grasscutter.server.packet.send.PacketAvatarFightPropNotify;
@@ -798,6 +801,46 @@ public class Avatar {
 		return avatarInfo.build();
 	}
 
+	// used only in character showcase
+	public ShowAvatarInfo toShowAvatarInfoProto() {
+		AvatarFetterInfo.Builder avatarFetter = AvatarFetterInfo.newBuilder()
+				.setExpLevel(this.getFetterLevel());
+
+		ShowAvatarInfo.Builder showAvatarInfo = ShowAvatarInfoOuterClass.ShowAvatarInfo.newBuilder()
+				.setAvatarId(avatarId)
+				.addAllTalentIdList(this.getTalentIdList())
+				.putAllFightPropMap(this.getFightProperties())
+				.setSkillDepotId(this.getSkillDepotId())
+				.setCoreProudSkillLevel(this.getCoreProudSkillLevel())
+				.addAllInherentProudSkillList(this.getProudSkillList())
+				.putAllSkillLevelMap(this.getSkillLevelMap())
+				.putAllProudSkillExtraLevelMap(this.getProudSkillBonusMap())
+				.setFetterInfo(avatarFetter)
+				.setCostumeId(this.getCostume());
+
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_LEVEL.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_LEVEL, this.getLevel()));
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_EXP.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_EXP, this.getExp()));
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_BREAK_LEVEL.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_BREAK_LEVEL, this.getPromoteLevel()));
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_SATIATION_VAL.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_SATIATION_VAL, this.getSatiation()));
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_SATIATION_PENALTY_TIME.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_SATIATION_VAL, this.getSatiationPenalty()));
+		int maxStamina = this.getPlayer().getProperty(PlayerProperty.PROP_MAX_STAMINA);
+		showAvatarInfo.putPropMap(PlayerProperty.PROP_MAX_STAMINA.getId(), ProtoHelper.newPropValue(PlayerProperty.PROP_MAX_STAMINA, maxStamina));
+
+		for (GameItem item : this.getEquips().values()) {
+			if (item.getItemType() == ItemType.ITEM_RELIQUARY) {
+				showAvatarInfo.addEquipList(ShowEquip.newBuilder()
+						.setItemId(item.getItemId())
+						.setReliquary(item.toReliquaryProto()));
+			} else if (item.getItemType() == ItemType.ITEM_WEAPON) {
+				showAvatarInfo.addEquipList(ShowEquip.newBuilder()
+						.setItemId(item.getItemId())
+						.setWeapon(item.toWeaponProto()));
+			}
+		}
+
+		return showAvatarInfo.build();
+	}
+	
 	@PostLoad
 	private void onLoad() {
 		

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

@@ -375,13 +375,7 @@ public class GameItem {
 		return relicInfo;
 	}
 
-	public Item toProto() {
-		Item.Builder proto = Item.newBuilder()
-				.setGuid(this.getGuid())
-				.setItemId(this.getItemId());
-				
-		switch (getItemType()) {
-			case ITEM_WEAPON:
+	public Weapon toWeaponProto() {
 		Weapon.Builder weapon = Weapon.newBuilder()
 			.setLevel(this.getLevel())
 			.setExp(this.getExp())
@@ -393,16 +387,32 @@ public class GameItem {
 			}
 		}
 
-				proto.setEquip(Equip.newBuilder().setWeapon(weapon).setIsLocked(this.isLocked()).build());
-				break;
-			case ITEM_RELIQUARY:
-				Reliquary relic = Reliquary.newBuilder()
+		return weapon.build();
+	}
+
+	public Reliquary toReliquaryProto() {
+		Reliquary.Builder relic = Reliquary.newBuilder()
 			.setLevel(this.getLevel())
 			.setExp(this.getExp())
 			.setPromoteLevel(this.getPromoteLevel())
 			.setMainPropId(this.getMainPropId())
-					.addAllAppendPropIdList(this.getAppendPropIdList())
-					.build();
+			.addAllAppendPropIdList(this.getAppendPropIdList());
+
+		return relic.build();
+	}
+
+	public Item toProto() {
+		Item.Builder proto = Item.newBuilder()
+				.setGuid(this.getGuid())
+				.setItemId(this.getItemId());
+				
+		switch (getItemType()) {
+			case ITEM_WEAPON:
+				Weapon weapon = this.toWeaponProto();
+				proto.setEquip(Equip.newBuilder().setWeapon(weapon).setIsLocked(this.isLocked()).build());
+				break;
+			case ITEM_RELIQUARY:
+				Reliquary relic = this.toReliquaryProto();
 				proto.setEquip(Equip.newBuilder().setReliquary(relic).setIsLocked(this.isLocked()).build());
 				break;
 			case ITEM_MATERIAL:

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

@@ -21,7 +21,6 @@ import emu.grasscutter.game.inventory.Inventory;
 import emu.grasscutter.game.mail.Mail;
 import emu.grasscutter.game.props.ActionReason;
 import emu.grasscutter.game.props.PlayerProperty;
-import emu.grasscutter.game.shop.ShopInfo;
 import emu.grasscutter.game.shop.ShopLimit;
 import emu.grasscutter.game.world.Scene;
 import emu.grasscutter.game.world.World;
@@ -34,6 +33,7 @@ import emu.grasscutter.net.proto.OnlinePlayerInfoOuterClass.OnlinePlayerInfo;
 import emu.grasscutter.net.proto.PlayerApplyEnterMpResultNotifyOuterClass;
 import emu.grasscutter.net.proto.PlayerLocationInfoOuterClass.PlayerLocationInfo;
 import emu.grasscutter.net.proto.PlayerWorldLocationInfoOuterClass;
+import emu.grasscutter.net.proto.ShowAvatarInfoOuterClass;
 import emu.grasscutter.net.proto.ProfilePictureOuterClass.ProfilePicture;
 import emu.grasscutter.net.proto.SocialDetailOuterClass.SocialDetail;
 import emu.grasscutter.net.proto.SocialShowAvatarInfoOuterClass;
@@ -899,6 +899,35 @@ public class Player {
 		return social;
 	}
 
+	public List<ShowAvatarInfoOuterClass.ShowAvatarInfo> getShowAvatarInfoList() {
+		List<ShowAvatarInfoOuterClass.ShowAvatarInfo> showAvatarInfoList = new ArrayList<>();
+
+		Player player;
+		boolean shouldRecalc;
+		if (this.isOnline()) {
+			player = this;
+			shouldRecalc = false;
+		} else {
+			player = DatabaseHelper.getPlayerById(id);
+			player.getAvatars().loadFromDatabase();
+			player.getInventory().loadFromDatabase();
+			shouldRecalc = true;
+		}
+
+		List<Integer> showAvatarList = player.getShowAvatarList();
+		AvatarStorage avatars = player.getAvatars();
+		if (showAvatarList != null) {
+			for (int avatarId : showAvatarList) {
+				Avatar avatar = avatars.getAvatarById(avatarId);
+				if (shouldRecalc) {
+					avatar.recalcStats();
+				}
+				showAvatarInfoList.add(avatar.toShowAvatarInfoProto());
+			}
+		}
+		return showAvatarInfoList;
+	}
+	
 	public PlayerWorldLocationInfoOuterClass.PlayerWorldLocationInfo getWorldPlayerLocationInfo() {
 		return PlayerWorldLocationInfoOuterClass.PlayerWorldLocationInfo.newBuilder()
 				.setSceneId(this.getSceneId())

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

+package emu.grasscutter.server.packet.recv;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.GetFriendShowAvatarInfoReqOuterClass.GetFriendShowAvatarInfoReq;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.packet.send.PacketGetFriendShowAvatarInfoRsp;
+
+@Opcodes(PacketOpcodes.GetFriendShowAvatarInfoReq)
+public class HandlerGetFriendShowAvatarInfoReq extends PacketHandler {
+
+	@Override
+	public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+		GetFriendShowAvatarInfoReq req = GetFriendShowAvatarInfoReq.parseFrom(payload);
+
+		int targetUid = req.getUid();
+		Player targetPlayer = session.getServer().getPlayerByUid(targetUid, true);
+
+		if (targetPlayer.isShowAvatars()) {
+			session.send(new PacketGetFriendShowAvatarInfoRsp(targetUid, targetPlayer.getShowAvatarInfoList()));
+		}
+	}
+
+}

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

+package emu.grasscutter.server.packet.send;
+
+import java.util.List;
+
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.GetFriendShowAvatarInfoRspOuterClass.GetFriendShowAvatarInfoRsp;
+import emu.grasscutter.net.proto.ShowAvatarInfoOuterClass.ShowAvatarInfo;
+
+@Opcodes(PacketOpcodes.GetFriendShowAvatarInfoRsp)
+public class PacketGetFriendShowAvatarInfoRsp extends BasePacket {
+
+	public PacketGetFriendShowAvatarInfoRsp(int uid, List<ShowAvatarInfo> showAvatarInfoList) {
+		super(PacketOpcodes.GetFriendShowAvatarInfoRsp);
+
+		GetFriendShowAvatarInfoRsp.Builder p = GetFriendShowAvatarInfoRsp.newBuilder()
+				.setUid(uid)
+				.addAllShowAvatarInfoList(showAvatarInfoList);
+
+		this.setData(p.build());
+	}
+
+}