Choose Avatar & Enter Tower

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

@@ -26,6 +26,7 @@ import emu.grasscutter.game.props.EntityType;
 import emu.grasscutter.game.props.PlayerProperty;
 import emu.grasscutter.game.shop.ShopLimit;
 import emu.grasscutter.game.managers.MapMarkManager.*;
+import emu.grasscutter.game.tower.TowerManager;
 import emu.grasscutter.game.world.Scene;
 import emu.grasscutter.game.world.World;
 import emu.grasscutter.net.packet.BasePacket;
@@ -88,6 +89,8 @@ public class Player {
 	@Transient private MessageHandler messageHandler;
 
 	private TeamManager teamManager;
+
+	private TowerManager towerManager;
 	private PlayerGachaInfo gachaInfo;
 	private PlayerProfile playerProfile;
 	private boolean showAvatar;
@@ -172,6 +175,7 @@ public class Player {
 		this.nickname = "Traveler";
 		this.signature = "";
 		this.teamManager = new TeamManager(this);
+		this.towerManager = new TowerManager(this);
 		this.birthday = new PlayerBirthday();
 		this.setProperty(PlayerProperty.PROP_PLAYER_LEVEL, 1);
 		this.setProperty(PlayerProperty.PROP_IS_SPRING_AUTO_USE, 1);
@@ -384,6 +388,10 @@ public class Player {
 		return this.teamManager;
 	}
 
+	public TowerManager getTowerManager() {
+		return towerManager;
+	}
+
 	public PlayerGachaInfo getGachaInfo() {
 		return gachaInfo;
 	}
@@ -1020,6 +1028,9 @@ public class Player {
 		if (this.getProfile().getUid() == 0) {
 			this.getProfile().syncWithCharacter(this);
 		}
+		if (this.getTowerManager() == null) {
+			this.towerManager = new TowerManager(this);
+		}
 
 		// Check if player object exists in server
 		// TODO - optimize

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

@@ -18,6 +18,11 @@ public class TeamInfo {
 		this.avatars = new ArrayList<>(Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeam);
 	}
 
+	public TeamInfo(List<Integer> avatars) {
+		this.name = "";
+		this.avatars = avatars;
+	}
+
 	public String getName() {
 		return name;
 	}

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

@@ -1,12 +1,6 @@
 package emu.grasscutter.game.player;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 import dev.morphia.annotations.Entity;
 import dev.morphia.annotations.Transient;
@@ -58,7 +52,13 @@ public class TeamManager {
 	@Transient private final Set<EntityBaseGadget> gadgets;
 	@Transient private final IntSet teamResonances;
 	@Transient private final IntSet teamResonancesConfig;
-	
+
+	private int useTemporarilyTeamIndex = -1;
+	/**
+	 * Temporary Team for tower
+	 */
+	private List<TeamInfo> temporaryTeam;
+
 	public TeamManager() {
 		this.mpTeam = new TeamInfo();
 		this.avatars = new ArrayList<>();
@@ -124,6 +124,10 @@ public class TeamManager {
 	}
 	
 	public TeamInfo getCurrentTeamInfo() {
+		if (useTemporarilyTeamIndex >= 0 &&
+				useTemporarilyTeamIndex < temporaryTeam.size()){
+			return temporaryTeam.get(useTemporarilyTeamIndex);
+		}
 		if (this.getPlayer().isInMultiplayer()) {
 			return this.getMpTeam();
 		}
@@ -351,7 +355,51 @@ public class TeamManager {
 		// Packet
 		this.updateTeamEntities(new PacketChangeMpTeamAvatarRsp(getPlayer(), teamInfo));
 	}
-	
+
+	public void setupTemporaryTeam(List<List<Long>> guidList) {
+		var team = guidList.stream().map(list -> {
+					// Sanity checks
+					if (list.size() == 0 || list.size() > getMaxTeamSize()) {
+						return null;
+					}
+
+					// Set team data
+					LinkedHashSet<Avatar> newTeam = new LinkedHashSet<>();
+					for (int i = 0; i < list.size(); i++) {
+						Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(list.get(i));
+						if (avatar == null || newTeam.contains(avatar)) {
+							// Should never happen
+							return null;
+						}
+						newTeam.add(avatar);
+					}
+
+					// convert to avatar ids
+					return newTeam.stream()
+							.map(Avatar::getAvatarId)
+							.toList();
+				})
+				.filter(Objects::nonNull)
+				.map(TeamInfo::new)
+				.toList();
+		this.temporaryTeam = team;
+	}
+
+	public void useTemporaryTeam(int index) {
+		this.useTemporarilyTeamIndex = index;
+		updateTeamEntities(null);
+	}
+
+	public void cleanTemporaryTeam() {
+		// check if using temporary team
+		if(useTemporarilyTeamIndex < 0){
+			return;
+		}
+
+		this.useTemporarilyTeamIndex = -1;
+		this.temporaryTeam = null;
+		updateTeamEntities(null);
+	}
 	public synchronized void setCurrentTeam(int teamId) {
 		// 
 		if (getPlayer().isInMultiplayer()) {