fix

ocgcore/field.cpp

@@ -1616,7 +1616,7 @@ int32 field::check_tuner_material(card* pcard, card* tuner, int32 findex1, int32
 			if(smat) {
 				if(pcheck)
 					pcheck->get_value(smat);
-				if(!pduel->lua->check_matching(smat, findex2, 0)) {
+				if(!smat->is_position(POS_FACEUP) || !smat->is_can_be_synchro_material(pcard, tuner) || !pduel->lua->check_matching(smat, findex2, 0)) {
 					pduel->restore_assumes();
 					return FALSE;
 				}

ocgcore/operations.cpp

@@ -3873,6 +3873,8 @@ int32 field::select_synchro_material(int16 step, uint8 playerid, card* pcard, in
 		int32 lv = pcard->get_level();
 		lv -= l1;
 		if(smat) {
+			if(pcheck)
+				pcheck->get_value(smat);
 			l = smat->get_synchro_level(pcard);
 			l1 = l & 0xffff;
 			lv -= l1;

script/c77783947.lua

@@ -39,7 +39,7 @@ function c77783947.sccon(e,tp,eg,ep,ev,re,r,rp)
 	return ph==PHASE_MAIN1 or ph==PHASE_BATTLE or ph==PHASE_MAIN2
 end
 function c77783947.mfilter(c)
-	return c:IsFaceup() and c:IsSetCard(0x9e)
+	return c:IsSetCard(0x9e)
 end
 function c77783947.cfilter(c,syn)
 	return syn:IsSynchroSummonable(c)

strings.conf

@@ -427,3 +427,4 @@
 !counter 0x2d 指示物（踢火）
 !counter 0x2e 鲨指示物
 !counter 0x2f 南瓜指示物
+!counter 0x30 ？？？指示物