Add global callbacks intermission() and restartround()

 * intermission() is called when intermission starts
 * restartround() is called right before the round is restarted, to allow for Lua to persist data before the Lua environment is destroyed and re-created

game_shared/ff/ff_gamerules.cpp

@@ -630,7 +630,12 @@ ConVar mp_friendlyfire_armorstrip( "mp_friendlyfire_armorstrip",
 		// absolutely everything - scores, players, entities, etc.		
 		if( bFullReset )
 		{
-			// TODO: Do stuff!
+			// give lua a chance to prepare for the restart
+			if (_scriptman.GetLuaState() != NULL)
+			{
+				CFFLuaSC hRestartRound;
+				_scriptman.RunPredicates_LUA(NULL, &hRestartRound, "restartround");
+			}
 
 			m_flIntermissionEndTime = 0.f;
 
@@ -1036,6 +1041,17 @@ ConVar mp_friendlyfire_armorstrip( "mp_friendlyfire_armorstrip",
 		}
 	}
 
+	void CFFGameRules::GoToIntermission()
+	{
+		if ( g_fGameOver )
+			return;
+
+		BaseClass::GoToIntermission();
+
+		CFFLuaSC hIntermission;
+		_scriptman.RunPredicates_LUA(NULL, &hIntermission, "intermission");
+	}
+
 	//-----------------------------------------------------------------------------
 	// Purpose: creates a list of valid spawn points
 	//-----------------------------------------------------------------------------

game_shared/ff/ff_gamerules.h

@@ -150,6 +150,7 @@ class CFFGameRules : public CTeamplayRules
 	virtual void	RestartRound( void );
 
 	virtual void	ResetUsingCriteria( bool *pbFlags, int iTeam = TEAM_UNASSIGNED, CFFPlayer *pFFPlayer = NULL, bool bFullReset = false );
+	virtual void	GoToIntermission( void );
 
 	virtual void	UpdateSpawnPoints();
 	CUtlVector<CBaseEntity*> m_SpawnPoints;