Core/Player: Log more information when Player::StopCastingCharm() fails

(cherry picked from commit af815e991d)

src/server/game/Entities/Player/Player.cpp

@@ -22031,7 +22031,8 @@ void Player::StopCastingCharm()
         TC_LOG_FATAL("entities.player", "Player::StopCastingCharm: Player '%s' (%s) is not able to uncharm unit (%s)", GetName().c_str(), GetGUID().ToString().c_str(), GetCharmedGUID().ToString().c_str());
         if (!charm->GetCharmerGUID().IsEmpty())
         {
-            TC_LOG_FATAL("entities.player", "Player::StopCastingCharm: Charmed unit has charmer %s", charm->GetCharmerGUID().ToString().c_str());
+            TC_LOG_FATAL("entities.player", "Player::StopCastingCharm: Charmed unit has charmer %s\nPlayer debug info: %s\nCharm debug info: %s",
+                charm->GetCharmerGUID().ToString().c_str(), GetDebugInfo().c_str(), charm->GetDebugInfo().c_str());
             ABORT();
         }
 

src/server/game/Entities/Unit/Unit.cpp

@@ -13458,6 +13458,9 @@ std::string Unit::GetDebugInfo() const
         << "IsAIEnabled: " << IsAIEnabled() << " DeathState: " << std::to_string(getDeathState())
         << " UnitMovementFlags: " << GetUnitMovementFlags() << " ExtraUnitMovementFlags: " << GetExtraUnitMovementFlags()
         << " Class: " << std::to_string(GetClass()) << "\n"
-        << " " << (movespline ? movespline->ToString() : "Movespline: <none>");
+        << "" << (movespline ? movespline->ToString() : "Movespline: <none>\n")
+        << "GetCharmedGUID(): " << GetCharmedGUID().ToString() << "\n"
+        << "GetCharmerGUID(): " << GetCharmerGUID().ToString() << "\n"
+        << "" << (GetVehicleKit() ? GetVehicleKit()->GetDebugInfo() : "No vehicle kit");
     return sstr.str();
 }

src/server/game/Entities/Vehicle/Vehicle.cpp

@@ -31,6 +31,7 @@
 #include "SpellAuraEffects.h"
 #include "TemporarySummon.h"
 #include "Unit.h"
+#include <sstream>
 
 Vehicle::Vehicle(Unit* unit, VehicleEntry const* vehInfo, uint32 creatureEntry) :
 UsableSeatNum(0), _me(unit), _vehicleInfo(vehInfo), _creatureEntry(creatureEntry), _status(STATUS_NONE), _lastShootPos()
@@ -956,3 +957,30 @@ Milliseconds Vehicle::GetDespawnDelay()
 
     return 1ms;
 }
+
+std::string Vehicle::GetDebugInfo() const
+{
+    std::stringstream sstr;
+    sstr << "Vehicle seats:\n";
+    for (SeatMap::const_iterator itr = Seats.begin(); itr != Seats.end(); itr++)
+    {
+        sstr << "seat " << std::to_string(itr->first) << ": " << (itr->second.IsEmpty() ? "empty" : itr->second.Passenger.Guid.ToString()) << "\n";
+    }
+
+    sstr << "Vehicle pending events:";
+
+    if (_pendingJoinEvents.empty())
+    {
+        sstr << " none";
+    }
+    else
+    {
+        sstr << "\n";
+        for (PendingJoinEventContainer::const_iterator itr = _pendingJoinEvents.begin(); itr != _pendingJoinEvents.end(); ++itr)
+        {
+            sstr << "seat " << std::to_string((*itr)->Seat->first) << ": " << (*itr)->Passenger->GetGUID().ToString() << "\n";
+        }
+    }
+
+    return sstr.str();
+}

src/server/game/Entities/Vehicle/Vehicle.h

@@ -79,6 +79,8 @@ class TC_GAME_API Vehicle : public TransportBase
 
         Milliseconds GetDespawnDelay();
 
+        std::string GetDebugInfo() const;
+
     protected:
         friend class VehicleJoinEvent;
         uint32 UsableSeatNum;                               ///< Number of seats that match VehicleSeatEntry::UsableByPlayer, used for proper display flags