feat: set friend enter home option (#1860)

src/main/java/emu/grasscutter/game/home/GameHome.java

@@ -38,6 +38,7 @@ public class GameHome {
     List<FurnitureMakeSlotItem> furnitureMakeSlotItemList;
     ConcurrentHashMap<Integer, HomeSceneItem> sceneMap;
     Set<Integer> unlockedHomeBgmList;
+    int enterHomeOption;
 
     public void save() {
         DatabaseHelper.saveHome(this);

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

@@ -939,7 +939,8 @@ public class Player {
                 .setIsShowAvatar(this.isShowAvatars())
                 .addAllShowAvatarInfoList(socialShowAvatarInfoList)
                 .addAllShowNameCardIdList(this.getShowNameCardInfoList())
-                .setFinishAchievementNum(0);
+                .setFinishAchievementNum(0)
+                .setFriendEnterHomeOptionValue(this.getHome() == null ? 0 : this.getHome().getEnterHomeOption());
         return social;
     }
 

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

+package emu.grasscutter.server.packet.recv;
+
+import emu.grasscutter.net.packet.Opcodes;
+import emu.grasscutter.net.packet.PacketHandler;
+import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.SetFriendEnterHomeOptionReqOuterClass;
+import emu.grasscutter.server.game.GameSession;
+import emu.grasscutter.server.packet.send.PacketPlayerHomeCompInfoNotify;
+import emu.grasscutter.server.packet.send.PacketSetFriendEnterHomeOptionRsp;
+
+@Opcodes(PacketOpcodes.SetFriendEnterHomeOptionReq)
+public class HandlerSetFriendEnterHomeOptionReq extends PacketHandler {
+    @Override
+    public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
+        var req = SetFriendEnterHomeOptionReqOuterClass.SetFriendEnterHomeOptionReq.parseFrom(payload);
+
+        session.getPlayer().getHome().setEnterHomeOption(req.getOptionValue());
+        session.getPlayer().getHome().save();
+
+        session.send(new PacketPlayerHomeCompInfoNotify(session.getPlayer()));
+        session.send(new PacketSetFriendEnterHomeOptionRsp());
+    }
+}

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

 package emu.grasscutter.server.packet.recv;
 
+import emu.grasscutter.game.home.GameHome;
 import emu.grasscutter.game.world.Scene;
 import emu.grasscutter.net.packet.Opcodes;
 import emu.grasscutter.net.packet.PacketHandler;
 import emu.grasscutter.net.packet.PacketOpcodes;
+import emu.grasscutter.net.proto.FriendEnterHomeOptionOuterClass;
+import emu.grasscutter.net.proto.RetcodeOuterClass;
 import emu.grasscutter.net.proto.TryEnterHomeReqOuterClass;
 import emu.grasscutter.server.event.player.PlayerTeleportEvent.TeleportType;
 import emu.grasscutter.server.game.GameSession;
@@ -15,11 +18,26 @@ public class HandlerTryEnterHomeReq extends PacketHandler {
 
     @Override
     public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
-        TryEnterHomeReqOuterClass.TryEnterHomeReq req =
-                TryEnterHomeReqOuterClass.TryEnterHomeReq.parseFrom(payload);
+        var req = TryEnterHomeReqOuterClass.TryEnterHomeReq.parseFrom(payload);
+        var targetPlayer = session.getServer().getPlayerByUid(req.getTargetUid(), true);
 
         if (req.getTargetUid() != session.getPlayer().getUid()) {
             // I hope that tomorrow there will be a hero who can support multiplayer mode and write code like a poem
+            var targetHome = GameHome.getByUid(req.getTargetUid());
+            switch (targetHome.getEnterHomeOption()) {
+                case FriendEnterHomeOptionOuterClass.FriendEnterHomeOption.FRIEND_ENTER_HOME_OPTION_NEED_CONFIRM_VALUE:
+                    if (!targetPlayer.isOnline()) {
+                        session.send(new PacketTryEnterHomeRsp(RetcodeOuterClass.Retcode.RET_HOME_OWNER_OFFLINE_VALUE, req.getTargetUid()));
+                        return;
+                    }
+                    break;
+                case FriendEnterHomeOptionOuterClass.FriendEnterHomeOption.FRIEND_ENTER_HOME_OPTION_REFUSE_VALUE:
+                    session.send(new PacketTryEnterHomeRsp(RetcodeOuterClass.Retcode.RET_HOME_HOME_REFUSE_GUEST_ENTER_VALUE, req.getTargetUid()));
+                    return;
+                case FriendEnterHomeOptionOuterClass.FriendEnterHomeOption.FRIEND_ENTER_HOME_OPTION_DIRECT_VALUE:
+                    break;
+            }
+
             session.send(new PacketTryEnterHomeRsp());
             return;
         }

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

@@ -23,6 +23,7 @@ public class PacketPlayerHomeCompInfoNotify extends BasePacket {
                         PlayerHomeCompInfoOuterClass.PlayerHomeCompInfo.newBuilder()
                                 .addAllUnlockedModuleIdList(player.getRealmList())
                                 .addAllLevelupRewardGotLevelList(List.of(1)) // Hardcoded
+                                .setFriendEnterHomeOptionValue(player.getHome().getEnterHomeOption())
                                 .build()
                 )
                 .build();

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

+package emu.grasscutter.server.packet.send;
+
+import emu.grasscutter.net.packet.BasePacket;
+import emu.grasscutter.net.packet.PacketOpcodes;
+
+public class PacketSetFriendEnterHomeOptionRsp extends BasePacket {
+    public PacketSetFriendEnterHomeOptionRsp() {
+        super(PacketOpcodes.SetFriendEnterHomeOptionRsp);
+    }
+}

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

@@ -27,4 +27,15 @@ public class PacketTryEnterHomeRsp extends BasePacket {
 
         this.setData(proto);
     }
+
+    public PacketTryEnterHomeRsp(int retCode, int uid) {
+        super(PacketOpcodes.TryEnterHomeRsp);
+
+        TryEnterHomeRspOuterClass.TryEnterHomeRsp proto = TryEnterHomeRspOuterClass.TryEnterHomeRsp.newBuilder()
+            .setRetcode(retCode)
+            .setTargetUid(uid)
+            .build();
+
+        this.setData(proto);
+    }
 }