replace self destroy only once

https://github.com/Fluorohydride/ygopro/issues/2215#issuecomment-502517306
close Fluorohydride/ygopro#2215

effect.cpp

@@ -57,6 +57,11 @@ int32 effect::is_disable_related() {
 		return TRUE;
 	return FALSE;
 }
+int32 effect::is_self_destroy_related() {
+	if(code == EFFECT_UNIQUE_CHECK || code == EFFECT_SELF_DESTROY || code == EFFECT_SELF_TOGRAVE)
+		return TRUE;
+	return FALSE;
+}
 int32 effect::is_can_be_forbidden() {
 	uint32 ctr = code & 0xf0000;
 	if (is_flag(EFFECT_FLAG_CANNOT_DISABLE) && !is_flag(EFFECT_FLAG_CANNOT_NEGATE))

effect.h

@@ -66,6 +66,7 @@ public:
 	~effect() = default;
 
 	int32 is_disable_related();
+	int32 is_self_destroy_related();
 	int32 is_can_be_forbidden();
 	int32 is_available();
 	int32 check_count_limit(uint8 playerid);

operations.cpp

@@ -4688,12 +4688,14 @@ int32 field::operation_replace(uint16 step, effect* replace_effect, group* targe
 	}
 	case 1: {
 		if (returns.ivalue[0]) {
-			targets->container.erase(target);
-			target->current.reason = target->temp.reason;
-			target->current.reason_effect = target->temp.reason_effect;
-			target->current.reason_player = target->temp.reason_player;
-			if(is_destroy)
-				core.destroy_canceled.insert(target);
+			if(!target->current.reason_effect->is_self_destroy_related()) {
+				targets->container.erase(target);
+				target->current.reason = target->temp.reason;
+				target->current.reason_effect = target->temp.reason_effect;
+				target->current.reason_player = target->temp.reason_player;
+				if(is_destroy)
+					core.destroy_canceled.insert(target);
+			}
 			replace_effect->dec_count(replace_effect->get_handler_player());
 		} else
 			core.units.begin()->step = 2;
@@ -4752,7 +4754,7 @@ int32 field::operation_replace(uint16 step, effect* replace_effect, group* targe
 		if (returns.ivalue[0]) {
 			for (auto cit = targets->container.begin(); cit != targets->container.end();) {
 				auto rm = cit++;
-				if (replace_effect->get_value(*rm)) {
+				if (replace_effect->get_value(*rm) && !(*rm)->current.reason_effect->is_self_destroy_related()) {
 					(*rm)->current.reason = (*rm)->temp.reason;
 					(*rm)->current.reason_effect = (*rm)->temp.reason_effect;
 					(*rm)->current.reason_player = (*rm)->temp.reason_player;