Minor gameplay fixes.

Hummel can no longer fly if there's no overmind around.
Human radar update rate back to 1Hz.
Evolving from basi to adv basi retains the reload timer.

src/cgame/cg_scanner.c

@@ -25,7 +25,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 static entityPos_t entityPositions;
 
-#define HUMAN_SCANNER_UPDATE_PERIOD 25
+#define HUMAN_SCANNER_UPDATE_PERIOD 1000
 
 /*
 =============

src/game/g_active.c

@@ -1751,7 +1751,7 @@ void ClientThink_real( gentity_t *ent )
     client->ps.pm_type = PM_GRABBED;
   else if( BG_InventoryContainsUpgrade( UP_JETPACK, client->ps.stats ) && BG_UpgradeIsActive( UP_JETPACK, client->ps.stats ) )
     client->ps.pm_type = PM_JETPACK;
-  else if( client->ps.weapon == WP_ALEVEL5 )
+  else if( client->ps.weapon == WP_ALEVEL5 && G_Overmind() )
     //hummel fly
     client->ps.pm_type = PM_HUMMEL;
   else

src/game/g_cmds.c

@@ -1665,7 +1665,7 @@ void Cmd_Class_f( gentity_t *ent )
   vec3_t    mins, maxs;
   int       num;
   gentity_t *other;
-  int       oldBoostTime = -1;
+  int       oldBoostTime = -1,oldTimeStamp;
   vec3_t    oldVel;
 
   clientNum = ent->client - level.clients;
@@ -1835,6 +1835,7 @@ void Cmd_Class_f( gentity_t *ent )
 
           if( ent->client->ps.stats[ STAT_STATE ] & SS_BOOSTED )
             oldBoostTime = ent->client->boostedTime;
+	  oldTimeStamp = ( ent->client->ps.weapon == WP_ALEVEL1 ) ? ent->timestamp : 0;
 
           ClientSpawn( ent, ent, ent->s.pos.trBase, ent->s.apos.trBase );
 
@@ -1844,6 +1845,11 @@ void Cmd_Class_f( gentity_t *ent )
             ent->client->boostedTime = oldBoostTime;
             ent->client->ps.stats[ STAT_STATE ] |= SS_BOOSTED;
           }
+	  if( newClass == PCL_ALIEN_LEVEL1_UPG )
+	  {
+	    ent->timestamp = oldTimeStamp;
+	    ent->client->ps.ammo = 0;
+	  }
         }
         else
           G_TriggerMenuArgs( clientNum, MN_A_CANTEVOLVE, newClass );