fix

gframe/single_duel.cpp

@@ -392,12 +392,12 @@ void SingleDuel::TPResult(DuelPlayer* dp, unsigned char tp) {
 	last_replay.WriteData(players[0]->name, 40, false);
 	last_replay.WriteData(players[1]->name, 40, false);
 	if(!host_info.no_shuffle_deck) {
-		for(size_t i = 0; i < pdeck[0].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[0].main.size();
+		for(size_t i = pdeck[0].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[0].main[i], pdeck[0].main[swap]);
 		}
-		for(size_t i = 0; i < pdeck[1].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[1].main.size();
+		for(size_t i = pdeck[1].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[1].main[i], pdeck[1].main[swap]);
 		}
 	}

gframe/tag_duel.cpp

@@ -354,20 +354,20 @@ void TagDuel::TPResult(DuelPlayer* dp, unsigned char tp) {
 	last_replay.WriteData(players[2]->name, 40, false);
 	last_replay.WriteData(players[3]->name, 40, false);
 	if(!host_info.no_shuffle_deck) {
-		for(size_t i = 0; i < pdeck[0].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[0].main.size();
+		for(size_t i = pdeck[0].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[0].main[i], pdeck[0].main[swap]);
 		}
-		for(size_t i = 0; i < pdeck[1].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[1].main.size();
+		for(size_t i = pdeck[1].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[1].main[i], pdeck[1].main[swap]);
 		}
-		for(size_t i = 0; i < pdeck[2].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[2].main.size();
+		for(size_t i = pdeck[2].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[2].main[i], pdeck[2].main[swap]);
 		}
-		for(size_t i = 0; i < pdeck[3].main.size(); ++i) {
-			int swap = rnd.real() * pdeck[3].main.size();
+		for(size_t i = pdeck[3].main.size() - 1; i > 0; --i) {
+			int swap = rnd.real() * (i + 1);
 			std::swap(pdeck[3].main[i], pdeck[3].main[swap]);
 		}
 	}