Implement a new event to receive notifications when a player team has changed.

source/Core.hpp

@@ -424,6 +424,7 @@ protected:
         Function        mOnOption;
         Function        mOnAdmin;
         Function        mOnWorld;
+        Function        mOnTeam;
     };
 
     /* --------------------------------------------------------------------------------------------
@@ -996,6 +997,7 @@ public:
     void EmitPlayerOption(Int32 player_id, Int32 option_id, bool value, Int32 header, Object & payload);
     void EmitPlayerAdmin(Int32 player_id, bool old_admin, bool new_admin);
     void EmitPlayerWorld(Int32 player_id, Int32 old_world, Int32 new_world, bool secondary);
+    void EmitPlayerTeam(Int32 player_id, Int32 old_team, Int32 new_team);
     void EmitVehicleColour(Int32 vehicle_id, Int32 changed);
     void EmitVehicleHealth(Int32 vehicle_id, Float32 old_health, Float32 new_health);
     void EmitVehiclePosition(Int32 vehicle_id);
@@ -1135,6 +1137,7 @@ private:
     Function    mOnPlayerOption;
     Function    mOnPlayerAdmin;
     Function    mOnPlayerWorld;
+    Function    mOnPlayerTeam;
     Function    mOnVehicleColour;
     Function    mOnVehicleHealth;
     Function    mOnVehiclePosition;

source/CoreEvents.cpp

@@ -741,6 +741,14 @@ void Core::EmitPlayerWorld(Int32 player_id, Int32 old_world, Int32 new_world, bo
     Emit(mOnPlayerWorld, _player.mObj, old_world, new_world, secondary);
 }
 
+// ------------------------------------------------------------------------------------------------
+void Core::EmitPlayerTeam(Int32 player_id, Int32 old_team, Int32 new_team)
+{
+    PlayerInst & _player = m_Players.at(player_id);
+    Emit(_player.mOnTeam, old_team, new_team);
+    Emit(mOnPlayerTeam, _player.mObj, old_team, new_team);
+}
+
 // ------------------------------------------------------------------------------------------------
 void Core::EmitVehicleColour(Int32 vehicle_id, Int32 changed)
 {

source/CoreUtils.cpp

@@ -229,6 +229,7 @@ void Core::ResetFunc(PlayerInst & inst)
     inst.mOnOption.ReleaseGently();
     inst.mOnAdmin.ReleaseGently();
     inst.mOnWorld.ReleaseGently();
+    inst.mOnTeam.ReleaseGently();
 }
 
 // ------------------------------------------------------------------------------------------------
@@ -345,6 +346,7 @@ void Core::ResetFunc()
     Core::Get().mOnPlayerOption.ReleaseGently();
     Core::Get().mOnPlayerAdmin.ReleaseGently();
     Core::Get().mOnPlayerWorld.ReleaseGently();
+    Core::Get().mOnPlayerTeam.ReleaseGently();
     Core::Get().mOnVehicleColour.ReleaseGently();
     Core::Get().mOnVehicleHealth.ReleaseGently();
     Core::Get().mOnVehiclePosition.ReleaseGently();
@@ -453,6 +455,7 @@ Function & Core::GetEvent(Int32 evid)
         case EVT_PLAYEROPTION:          return mOnPlayerOption;
         case EVT_PLAYERADMIN:           return mOnPlayerAdmin;
         case EVT_PLAYERWORLD:           return mOnPlayerWorld;
+        case EVT_PLAYERTEAM:            return mOnPlayerTeam;
         case EVT_VEHICLECOLOUR:         return mOnVehicleColour;
         case EVT_VEHICLEHEALTH:         return mOnVehicleHealth;
         case EVT_VEHICLEPOSITION:       return mOnVehiclePosition;
@@ -611,6 +614,7 @@ Function & Core::GetPlayerEvent(Int32 id, Int32 evid)
         case EVT_PLAYEROPTION:          return inst.mOnOption;
         case EVT_PLAYERADMIN:           return inst.mOnAdmin;
         case EVT_PLAYERWORLD:           return inst.mOnWorld;
+        case EVT_PLAYERTEAM:            return inst.mOnTeam;
         default:                        return NullFunction();
     }
 }

source/Entity/Player.cpp

@@ -510,15 +510,30 @@ Int32 CPlayer::GetTeam() const
 }
 
 // ------------------------------------------------------------------------------------------------
-void CPlayer::SetTeam(Int32 team) const
+void CPlayer::SetTeam(Int32 team)
 {
     // Validate the managed identifier
     Validate();
-    // Perform the requested operation
-    if (_Func->SetPlayerTeam(m_ID, team) == vcmpErrorArgumentOutOfBounds)
+    // Grab the current value for this property
+    const Int32 current = _Func->GetPlayerTeam(m_ID);
+    // Don't even bother if it's the same value
+    if (current == team)
+    {
+        return;
+    }
+    // Avoid property unwind from a recursive call
+    else if (_Func->SetPlayerTeam(m_ID, team) == vcmpErrorArgumentOutOfBounds)
     {
         STHROWF("Invalid team identifier: %d", team);
     }
+    // Avoid infinite recursive event loops
+    else if (!(m_CircularLocks & PCL_EMIT_PLAYER_TEAM))
+    {
+        // Prevent this event from triggering while executed
+        BitGuardU32 bg(m_CircularLocks, PCL_EMIT_PLAYER_TEAM);
+        // Now forward the event call
+        Core::Get().EmitPlayerTeam(m_ID, current, team);
+    }
 }
 
 // ------------------------------------------------------------------------------------------------

source/Entity/Player.hpp

@@ -16,6 +16,7 @@ enum PlayerCircularLocks
     PCL_EMIT_PLAYER_OPTION          = (1 << 0)
     PCL_EMIT_PLAYER_ADMIN           = (2 << 0),
     PCL_EMIT_PLAYER_WORLD           = (3 << 0),
+    PCL_EMIT_PLAYER_TEAM            = (4 << 0),
 };
 
 /* ------------------------------------------------------------------------------------------------
@@ -365,7 +366,7 @@ public:
     /* --------------------------------------------------------------------------------------------
      * Modify the team of the managed player entity.
     */
-    void SetTeam(Int32 team) const;
+    void SetTeam(Int32 team);
 
     /* --------------------------------------------------------------------------------------------
      * Retrieve the skin identifier of the managed player entity.

source/SqBase.hpp

@@ -378,6 +378,7 @@ enum EventType
     EVT_PLAYEROPTION,
     EVT_PLAYERADMIN,
     EVT_PLAYERWORLD,
+    EVT_PLAYERTEAM,
     EVT_VEHICLECOLOUR,
     EVT_VEHICLEHEALTH,
     EVT_VEHICLEPOSITION,