Core/Packets: updated SMSG_LEVELUP_INFO (#24440)

* Core/Packets: updated & enabled SMSG_LEVELUP_INFO

(cherry picked from commit bf9024c34180b1e35afb3cc9ef4cf1f3133dedfd#gitext://gotocommit/bf9024c34180b1e35afb3cc9ef4cf1f3133dedfd)

# Conflicts:
#	src/server/game/Entities/Player/Player.cpp
#	src/server/game/Entities/Player/Player.h
#	src/server/game/Server/Protocol/Opcodes.cpp
#	src/server/game/Server/Protocol/Opcodes.h

* Remove empty line

* Remove whitespace

Co-authored-by: MitchesD <majklprofik@seznam.cz>

3 files changed, 43 insertions, 16 deletions

diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 3f9a18b7523..42dfc34c6de 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -2593,23 +2593,23 @@ void Player::GiveLevel(uint8 level)
     PlayerClassLevelInfo classInfo;
     sObjectMgr->GetPlayerClassLevelInfo(GetClass(), level, &classInfo);
 
-    // send levelup info to client
-    WorldPacket data(SMSG_LEVELUP_INFO, (4+4+MAX_POWERS*4+MAX_STATS*4));
-    data << uint32(level);
-    data << uint32(int32(classInfo.basehealth) - int32(GetCreateHealth()));
-    // for (int i = 0; i < MAX_POWERS; ++i)                  // Powers loop (0-6)
-    data << uint32(int32(classInfo.basemana)   - int32(GetCreateMana()));
-    data << uint32(0);
-    data << uint32(0);
-    data << uint32(0);
-    data << uint32(0);
-    data << uint32(0);
-    data << uint32(0);
-    // end for
-    for (uint8 i = STAT_STRENGTH; i < MAX_STATS; ++i)          // Stats loop (0-4)
-        data << uint32(int32(info.stats[i]) - GetCreateStat(Stats(i)));
+    WorldPackets::Misc::LevelUpInfo packet;
+    packet.Level = level;
+    packet.HealthDelta = int32(classInfo.basehealth) - int32(GetCreateHealth());
+
+    /// @todo find some better solution
+    // for (int i = 0; i < MAX_POWERS; ++i)
+    packet.PowerDelta[0] = int32(classInfo.basemana) - int32(GetCreateMana());
+    packet.PowerDelta[1] = 0;
+    packet.PowerDelta[2] = 0;
+    packet.PowerDelta[3] = 0;
+    packet.PowerDelta[4] = 0;
+    packet.PowerDelta[5] = 0;
 
-    SendDirectMessage(&data);
+    for (uint8 i = STAT_STRENGTH; i < MAX_STATS; ++i)
+        packet.StatDelta[i] = int32(info.stats[i]) - GetCreateStat(Stats(i));
+
+    SendDirectMessage(packet.Write());
 
     SetUInt32Value(PLAYER_NEXT_LEVEL_XP, sObjectMgr->GetXPForLevel(level));
 
diff --git a/src/server/game/Server/Packets/MiscPackets.cpp b/src/server/game/Server/Packets/MiscPackets.cpp
index 63c90f0f934..1c83e7ac109 100644
--- a/src/server/game/Server/Packets/MiscPackets.cpp
+++ b/src/server/game/Server/Packets/MiscPackets.cpp
@@ -84,6 +84,20 @@ WorldPacket const* WorldPackets::Misc::Weather::Write()
     return &_worldPacket;
 }
 
+WorldPacket const* WorldPackets::Misc::LevelUpInfo::Write()
+{
+    _worldPacket << uint32(Level);
+    _worldPacket << uint32(HealthDelta);
+
+    for (uint32 power : PowerDelta)
+        _worldPacket << power;
+
+    for (uint32 stat : StatDelta)
+        _worldPacket << stat;
+
+    return &_worldPacket;
+}
+
 WorldPacket const* WorldPackets::Misc::PlayMusic::Write()
 {
     _worldPacket << SoundKitID;
diff --git a/src/server/game/Server/Packets/MiscPackets.h b/src/server/game/Server/Packets/MiscPackets.h
index 717740b55be..8c7e1957c04 100644
--- a/src/server/game/Server/Packets/MiscPackets.h
+++ b/src/server/game/Server/Packets/MiscPackets.h
@@ -128,6 +128,19 @@ namespace WorldPackets
             WeatherState WeatherID = WeatherState(0);
         };
 
+        class LevelUpInfo final : public ServerPacket
+        {
+        public:
+            LevelUpInfo() : ServerPacket(SMSG_LEVELUP_INFO, 56) { }
+
+            WorldPacket const* Write() override;
+
+            uint32 Level = 0;
+            uint32 HealthDelta = 0;
+            std::array<uint32, MAX_POWERS> PowerDelta = { };
+            std::array<uint32, MAX_STATS> StatDelta = { };
+        };
+
         class TC_GAME_API PlayMusic final : public ServerPacket
         {
         public: