fix Duel.SSet

operations.cpp

@@ -2352,7 +2352,7 @@ int32 field::sset_g(uint16 step, uint8 setplayer, uint8 toplayer, group* ptarget
 		card_set* set_cards = new card_set;
 		core.operated_set.clear();
 		for(auto& target : ptarget->container) {
-			if((!(target->data.type & TYPE_FIELD) && get_useable_count(NULL, toplayer, LOCATION_SZONE, setplayer, LOCATION_REASON_TOFIELD) <= 0)
+			if((!(target->data.type & TYPE_FIELD) && get_useable_count(target, toplayer, LOCATION_SZONE, setplayer, LOCATION_REASON_TOFIELD) <= 0)
 			        || (target->data.type & TYPE_MONSTER && !target->is_affected_by_effect(EFFECT_MONSTER_SSET))
 			        || (target->current.location == LOCATION_SZONE)
 			        || (!is_player_can_sset(setplayer, target))
@@ -2387,16 +2387,12 @@ int32 field::sset_g(uint16 step, uint8 setplayer, uint8 toplayer, group* ptarget
 	case 1: {
 		card_set* set_cards = (card_set*)ptarget;
 		card* target = *set_cards->begin();
-		uint32 flag;
-		int32 ct = get_useable_count(target, toplayer, LOCATION_SZONE, setplayer, LOCATION_REASON_TOFIELD, 0xff, &flag);
-		if(ct <= 0) {
-			core.units.begin()->step = 2;
-			return FALSE;
-		}
 		if(target->data.type & TYPE_FIELD) {
 			returns.bvalue[2] = 5;
 			return FALSE;
 		}
+		uint32 flag;
+		get_useable_count(target, toplayer, LOCATION_SZONE, setplayer, LOCATION_REASON_TOFIELD, 0xff, &flag);
 		flag |= core.set_group_used_zones;
 		if(setplayer == toplayer) {
 			flag = ((flag & 0xff) << 8) | 0xffff00ff;