update REASON_RETURN and remove EVENT_RETURN_TO_GRAVE

effect.h

@@ -516,7 +516,6 @@ inline effect_flag operator|(effect_flag flag1, effect_flag flag2)
 #define EVENT_LEVEL_UP				1200
 #define EVENT_PAY_LPCOST			1201
 #define EVENT_DETACH_MATERIAL		1202
-#define EVENT_RETURN_TO_GRAVE		1203
 #define EVENT_TURN_END				1210
 #define EVENT_PHASE					0x1000
 #define EVENT_PHASE_START			0x2000

operations.cpp

@@ -268,6 +268,8 @@ void field::send_to(card_set* targets, effect* reason_effect, uint32 reason, uin
 			p = reason_player;
 		if(destination & (LOCATION_GRAVE | LOCATION_REMOVED) || p == PLAYER_NONE)
 			p = pcard->owner;
+		if(destination == LOCATION_GRAVE && pcard->current.location == LOCATION_REMOVED)
+			pcard->current.reason |= REASON_RETURN;
 		uint32 pos = position;
 		if(destination != LOCATION_REMOVED)
 			pos = POS_FACEUP;
@@ -4126,7 +4128,7 @@ int32 field::send_to(uint16 step, group * targets, effect * reason_effect, uint3
 		core.units.begin()->ptarget = param->targets;
 		targets = param->targets;
 		delete param;
-		card_set tohand, todeck, tograve, remove, discard, released, destroyed, retgrave;
+		card_set tohand, todeck, tograve, remove, discard, released, destroyed;
 		card_set equipings, overlays;
 		for(auto& pcard : targets->container) {
 			uint8 nloc = pcard->current.location;
@@ -4159,15 +4161,10 @@ int32 field::send_to(uint16 step, group * targets, effect * reason_effect, uint3
 				todeck.insert(pcard);
 				raise_single_event(pcard, 0, EVENT_TO_DECK, pcard->current.reason_effect, pcard->current.reason, pcard->current.reason_player, 0, 0);
 			}
-			if(nloc == LOCATION_GRAVE) {
-				if(pcard->current.reason & REASON_RETURN) {
-					retgrave.insert(pcard);
-					raise_single_event(pcard, 0, EVENT_RETURN_TO_GRAVE, pcard->current.reason_effect, pcard->current.reason, pcard->current.reason_player, 0, 0);
-				} else {
+			if(nloc == LOCATION_GRAVE && !(pcard->current.reason & REASON_RETURN)) {
 					tograve.insert(pcard);
 					raise_single_event(pcard, 0, EVENT_TO_GRAVE, pcard->current.reason_effect, pcard->current.reason, pcard->current.reason_player, 0, 0);
 				}
-			}
 			if(nloc == LOCATION_REMOVED || ((pcard->data.type & TYPE_TOKEN) && pcard->sendto_param.location == LOCATION_REMOVED)) {
 				remove.insert(pcard);
 				raise_single_event(pcard, 0, EVENT_REMOVE, pcard->current.reason_effect, pcard->current.reason, pcard->current.reason_player, 0, 0);
@@ -4205,8 +4202,6 @@ int32 field::send_to(uint16 step, group * targets, effect * reason_effect, uint3
 			raise_event(&released, EVENT_RELEASE, reason_effect, reason, reason_player, 0, 0);
 		if(destroyed.size())
 			raise_event(&destroyed, EVENT_DESTROYED, reason_effect, reason, reason_player, 0, 0);
-		if(retgrave.size())
-			raise_event(&retgrave, EVENT_RETURN_TO_GRAVE, reason_effect, reason, reason_player, 0, 0);
 		raise_event(&targets->container, EVENT_MOVE, reason_effect, reason, reason_player, 0, 0);
 		process_single_event();
 		process_instant_event();