feat(5.0): Remove field setters which aren't available

these have comments indicating why they were removed/unset

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

@@ -11,10 +11,14 @@ public class HandlerAvatarUpgradeReq extends PacketHandler {
     public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
         AvatarUpgradeReq req = AvatarUpgradeReq.parseFrom(payload);
 
-        // Level up avatar
-        session
+        // Changed in 5.0:
+        // Players can now pass multiple different kinds of books in at once.
+        // These are bundled into a list of items.
+        for (var item : req.getItemParamListList()) {
+            session
                 .getServer()
                 .getInventorySystem()
-                .upgradeAvatar(session.getPlayer(), req.getAvatarGuid(), req.getItemId(), req.getCount());
+                .upgradeAvatar(session.getPlayer(), req.getAvatarGuid(), item.getItemId(), item.getCount());
+        }
     }
 }

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

@@ -17,8 +17,9 @@ public class PacketAvatarUpgradeRsp extends BasePacket {
                         .setAvatarGuid(avatar.getGuid())
                         .setOldLevel(oldLevel)
                         .setCurLevel(avatar.getLevel())
-                        .putAllOldFightPropMap(oldFightPropMap)
-                        .putAllCurFightPropMap(avatar.getFightProperties())
+                        // Removed in 5.0
+                        // .putAllOldFightPropMap(oldFightPropMap)
+                        // .putAllCurFightPropMap(avatar.getFightProperties())
                         .build();
 
         this.setData(proto);

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

@@ -23,10 +23,10 @@ public class PacketGetPlayerTokenRsp extends BasePacket {
                         .setSecretKeySeed(session.getEncryptSeed())
                         .setSecurityCmdBuffer(ByteString.copyFrom(Crypto.ENCRYPT_SEED_BUFFER))
                         .setPlatformType(3)
-                        .setChannelId(1)
+                        // .setChannelId(1) // Removed in 5.0; we don't know what it is
                         .setCountryCode("US")
                         .setClientVersionRandomKey("c25-314dd05b0b5f")
-                        .setRegPlatform(3)
+                        // .setRegPlatform(3) // Removed in 5.0; we don't know what it is
                         .setClientIpStr(session.getAddress().getAddress().getHostAddress())
                         .build();
 
@@ -45,7 +45,7 @@ public class PacketGetPlayerTokenRsp extends BasePacket {
                         .setRetcode(retcode)
                         .setMsg(msg)
                         .setBlackUidEndTime(blackEndTime)
-                        .setRegPlatform(3)
+                        // .setRegPlatform(3) // Removed in 5.0; we don't know what it is
                         .setCountryCode("US")
                         .setClientIpStr(session.getAddress().getAddress().getHostAddress())
                         .build();
@@ -69,10 +69,10 @@ public class PacketGetPlayerTokenRsp extends BasePacket {
                         .setSecretKeySeed(session.getEncryptSeed())
                         .setSecurityCmdBuffer(ByteString.copyFrom(Crypto.ENCRYPT_SEED_BUFFER))
                         .setPlatformType(3)
-                        .setChannelId(1)
+                        // .setChannelId(1) // Removed in 5.0; we don't know what it is
                         .setCountryCode("US")
                         .setClientVersionRandomKey("c25-314dd05b0b5f")
-                        .setRegPlatform(3)
+                        // .setRegPlatform(3) // Removed in 5.0; we don't know what it is
                         .setClientIpStr(session.getAddress().getAddress().getHostAddress())
                         .setServerRandKey(encryptedSeed)
                         .setSign(encryptedSeedSign)

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

@@ -28,9 +28,9 @@ public class PacketPlayerEnterSceneNotify extends BasePacket {
                         .setTargetUid(player.getUid())
                         .setEnterSceneToken(player.getEnterSceneToken())
                         .setWorldLevel(player.getWorldLevel())
-                        .setEnterReason(EnterReason.Login.getValue())
-                        .setIsFirstLoginEnterScene(player.isFirstLoginEnterScene())
-                        .setWorldType(1)
+                        // .setEnterReason(EnterReason.Login.getValue()) // Removed in 5.0; we don't know what it is
+                        // .setIsFirstLoginEnterScene(player.isFirstLoginEnterScene()) // Removed in 5.0; we don't know what it is
+                        // .setWorldType(1) // Removed in 5.0; we don't know what it is
                         .setSceneTransaction(
                                 "3-"
                                         + player.getUid()
@@ -79,8 +79,8 @@ public class PacketPlayerEnterSceneNotify extends BasePacket {
 
         var proto =
                 PlayerEnterSceneNotify.newBuilder()
-                        .setPrevSceneId(player.getSceneId())
-                        .setPrevPos(player.getPosition().toProto())
+                        // .setPrevSceneId(player.getSceneId()) // Removed in 5.0; we don't know what it is
+                        // .setPrevPos(player.getPosition().toProto()) // Removed in 5.0; we don't know what it is
                         .setSceneId(teleportProperties.getSceneId())
                         .setPos(teleportProperties.getTeleportTo().toProto())
                         .setSceneBeginTime(System.currentTimeMillis())
@@ -88,8 +88,8 @@ public class PacketPlayerEnterSceneNotify extends BasePacket {
                         .setTargetUid(target.getUid())
                         .setEnterSceneToken(player.getEnterSceneToken())
                         .setWorldLevel(target.getWorld().getWorldLevel())
-                        .setEnterReason(teleportProperties.getEnterReason().getValue())
-                        .setWorldType(1)
+                        // .setEnterReason(teleportProperties.getEnterReason().getValue()) // Removed in 5.0; we don't know what it is
+                        // .setWorldType(1) // Removed in 5.0; we don't know what it is
                         .setSceneTransaction(
                                 teleportProperties.getSceneId()
                                         + "-"
@@ -117,16 +117,16 @@ public class PacketPlayerEnterSceneNotify extends BasePacket {
 
         var proto =
                 PlayerEnterSceneNotify.newBuilder()
-                        .setPrevSceneId(player.getSceneId())
-                        .setPrevPos(player.getPosition().toProto())
+                        // .setPrevSceneId(player.getSceneId()) // Removed in 5.0; we don't know what it is
+                        // .setPrevPos(player.getPosition().toProto()) // Removed in 5.0; we don't know what it is
                         .setSceneId(teleportProperties.getSceneId())
                         .setPos(teleportProperties.getTeleportTo().toProto())
                         .setSceneBeginTime(System.currentTimeMillis())
                         .setType(other ? EnterType.ENTER_TYPE_OTHER_HOME : EnterType.ENTER_TYPE_SELF_HOME)
                         .setTargetUid(targetUid)
                         .setEnterSceneToken(player.getEnterSceneToken())
-                        .setEnterReason(teleportProperties.getEnterReason().getValue())
-                        .setWorldType(64)
+                        // .setEnterReason(teleportProperties.getEnterReason().getValue()) // Removed in 5.0; we don't know what it is
+                        // .setWorldType(64) // Removed in 5.0; we don't know what it is
                         .setSceneTransaction(
                                 teleportProperties.getSceneId()
                                         + "-"

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

@@ -52,19 +52,19 @@ public class PacketPlayerLoginRsp extends BasePacket {
 
         PlayerLoginRsp p =
                 PlayerLoginRsp.newBuilder()
-                        .setIsUseAbilityHash(true) // true
+                        // .setIsUseAbilityHash(true) // true, Removed in 5.0; we don't know what it is
                         .setAbilityHashCode(1844674) // 1844674
                         .setGameBiz("hk4e_global")
                         .setClientDataVersion(info.getClientDataVersion())
                         .setClientSilenceDataVersion(info.getClientSilenceDataVersion())
-                        .setClientMd5(info.getClientDataMd5())
-                        .setClientSilenceMd5(info.getClientSilenceDataMd5())
+                        // .setClientMd5(info.getClientDataMd5()) // Removed in 5.0; we don't know what it is
+                        // .setClientSilenceMd5(info.getClientSilenceDataMd5()) // Removed in 5.0; we don't know what it is
                         .setResVersionConfig(info.getResVersionConfig())
                         .setClientVersionSuffix(info.getClientVersionSuffix())
                         .setClientSilenceVersionSuffix(info.getClientSilenceVersionSuffix())
-                        // .setIsScOpen(false)
-                        // .setScInfo(ByteString.copyFrom(new byte[] {}))
-                        // .setRegisterCps("mihoyo")
+                        // .setIsScOpen(false) // Unknown for ??.??
+                        // .setScInfo(ByteString.copyFrom(new byte[] {})) // Unknown for ??.??
+                        // .setRegisterCps("mihoyo") // Unknown for ??.??
                         .setCountryCode("US")
                         .build();