Fluorohydride · mercury233 · Jun 14, 2025 · Jun 7, 2025
diff --git a/gframe/client_field.cpp b/gframe/client_field.cpp
@@ -15,7 +15,7 @@ ClientField::ClientField() {
 		mzone[p].resize(7, 0);
 		szone[p].resize(8, 0);
 	}
-	rnd.reset((uint_fast32_t)std::random_device()());
+	rnd.seed(std::random_device()());
 }
 ClientField::~ClientField() {
 	for (int i = 0; i < 2; ++i) {
@@ -413,7 +413,7 @@ void ClientField::ShowSelectCard(bool buttonok, bool chain) {
 			}
 		}
 		if(has_card_in_grave) {
-			rnd.shuffle_vector(selectable_cards);
+			std::shuffle(selectable_cards.begin(), selectable_cards.end(), rnd);
 		}
 	}
 	int startpos;

diff --git a/gframe/client_field.h b/gframe/client_field.h
@@ -2,7 +2,7 @@
 #define CLIENT_FIELD_H
 
 #include "config.h"
-#include "../ocgcore/mtrandom.h"
+#include <random>
 #include <vector>
 #include <set>
 #include <map>
@@ -90,7 +90,7 @@ class ClientField: public irr::IEventReceiver {
 	bool cant_check_grave{ false };
 	bool tag_surrender{ false };
 	bool tag_teammate_surrender{ false };
-	mt19937 rnd;
+	std::mt19937 rnd;
 
 	ClientField();
 	~ClientField();

diff --git a/gframe/deck_con.cpp b/gframe/deck_con.cpp
@@ -1,8 +1,7 @@
+#include <array>
 #include "config.h"
 #include "deck_con.h"
 #include "myfilesystem.h"
-#include "data_manager.h"
-#include "deck_manager.h"
 #include "image_manager.h"
 #include "sound_manager.h"
 #include "game.h"
@@ -54,6 +53,14 @@ static inline void load_current_deck(irr::gui::IGUIComboBox* cbCategory, irr::gu
 	deckManager.LoadCurrentDeck(cbCategory->getSelected(), cbCategory->getText(), cbDeck->getText());
 }
 
+DeckBuilder::DeckBuilder() {
+	std::random_device rd;
+	std::array<uint32_t, 8> seed{};
+	for (auto& x : seed)
+		x = rd();
+	std::seed_seq seq(seed.begin(), seed.end());
+	rnd.seed(seq);
+}
 void DeckBuilder::Initialize() {
 	mainGame->is_building = true;
 	mainGame->is_siding = false;
@@ -82,7 +89,6 @@ void DeckBuilder::Initialize() {
 		filterList = &deckManager._lfList.back();
 	}
 	ClearSearch();
-	rnd.reset((uint_fast32_t)std::time(nullptr));
 	mouse_pos.set(0, 0);
 	hovered_code = 0;
 	hovered_pos = 0;
@@ -175,7 +181,7 @@ bool DeckBuilder::OnEvent(const irr::SEvent& event) {
 				break;
 			}
 			case BUTTON_SHUFFLE_DECK: {
-				rnd.shuffle_vector(deckManager.current_deck.main);
+				std::shuffle(deckManager.current_deck.main.begin(), deckManager.current_deck.main.end(), rnd);
 				break;
 			}
 			case BUTTON_SAVE_DECK: {

diff --git a/gframe/deck_con.h b/gframe/deck_con.h
@@ -3,15 +3,16 @@
 
 #include <unordered_map>
 #include <vector>
+#include <random>
 #include <irrlicht.h>
 #include "data_manager.h"
 #include "deck_manager.h"
-#include "../ocgcore/mtrandom.h"
 
 namespace ygo {
 
 class DeckBuilder: public irr::IEventReceiver {
 public:
+	DeckBuilder();
 	bool OnEvent(const irr::SEvent& event) override;
 	void Initialize();
 	void Terminate();
@@ -80,7 +81,7 @@ class DeckBuilder: public irr::IEventReceiver {
 	bool is_modified{};
 	bool readonly{};
 	bool showing_pack{};
-	mt19937 rnd;
+	std::mt19937 rnd;
 
 	const LFList* filterList{};
 	std::vector<code_pointer> results;

diff --git a/gframe/duelclient.cpp b/gframe/duelclient.cpp
@@ -29,7 +29,8 @@ int DuelClient::last_select_hint = 0;
 unsigned char DuelClient::last_successful_msg[SIZE_NETWORK_BUFFER];
 size_t DuelClient::last_successful_msg_length = 0;
 wchar_t DuelClient::event_string[256];
-mt19937 DuelClient::rnd;
+std::mt19937 DuelClient::rnd;
+std::uniform_real_distribution<float> DuelClient::real_dist;
 
 bool DuelClient::is_refreshing = false;
 int DuelClient::match_kill = 0;
@@ -58,7 +59,7 @@ bool DuelClient::StartClient(unsigned int ip, unsigned short port, bool create_g
 		return false;
 	}
 	connect_state = 0x1;
-	rnd.reset((uint_fast32_t)std::random_device()());
+	rnd.seed(std::random_device()());
 	if(!create_game) {
 		timeval timeout = {5, 0};
 		event* timeout_event = event_new(client_base, 0, EV_TIMEOUT, ConnectTimeout, 0);
@@ -1753,7 +1754,7 @@ bool DuelClient::ClientAnalyze(unsigned char* msg, int len) {
 			SetResponseI(-1);
 			mainGame->dField.ClearChainSelect();
 			if(mainGame->chkWaitChain->isChecked() && !mainGame->ignore_chain) {
-				mainGame->WaitFrameSignal(rnd.get_random_integer(20, 40));
+				mainGame->WaitFrameSignal(std::uniform_int_distribution<>(20, 40)(rnd));
 			}
 			DuelClient::SendResponse();
 			return true;
@@ -1852,9 +1853,10 @@ bool DuelClient::ClientAnalyze(unsigned char* msg, int len) {
 			}
 			if(!pzone) {
 				if(mainGame->chkRandomPos->isChecked()) {
+					std::uniform_int_distribution<> dist(0, 6);
 					do {
-						respbuf[2] = rnd.get_random_integer(0, 6);
-					} while(!(filter & (1 << respbuf[2])));
+						respbuf[2] = dist(rnd);
+					} while(!(filter & (0x1U << respbuf[2])));
 				} else {
 					if (filter & 0x40) respbuf[2] = 6;
 					else if (filter & 0x20) respbuf[2] = 5;
@@ -2259,7 +2261,7 @@ bool DuelClient::ClientAnalyze(unsigned char* msg, int len) {
 			soundManager.PlaySoundEffect(SOUND_SHUFFLE);
 			for (int i = 0; i < 5; ++i) {
 				for (auto cit = mainGame->dField.deck[player].begin(); cit != mainGame->dField.deck[player].end(); ++cit) {
-					(*cit)->dPos = irr::core::vector3df(rnd.rand() * 0.4f / rnd.rand_max - 0.2f, 0, 0);
+					(*cit)->dPos = irr::core::vector3df(real_dist(rnd) * 0.4f - 0.2f, 0, 0);
 					(*cit)->dRot = irr::core::vector3df(0, 0, 0);
 					(*cit)->is_moving = true;
 					(*cit)->aniFrame = 3;
@@ -2331,7 +2333,7 @@ bool DuelClient::ClientAnalyze(unsigned char* msg, int len) {
 			for (int i = 0; i < 5; ++i) {
 				for (auto cit = mainGame->dField.extra[player].begin(); cit != mainGame->dField.extra[player].end(); ++cit) {
 					if(!((*cit)->position & POS_FACEUP)) {
-						(*cit)->dPos = irr::core::vector3df(rnd.rand() * 0.4f / rnd.rand_max - 0.2f, 0, 0);
+						(*cit)->dPos = irr::core::vector3df(real_dist(rnd) * 0.4f - 0.2f, 0, 0);
 						(*cit)->dRot = irr::core::vector3df(0, 0, 0);
 						(*cit)->is_moving = true;
 						(*cit)->aniFrame = 3;

diff --git a/gframe/duelclient.h b/gframe/duelclient.h
@@ -3,8 +3,8 @@
 
 #include <vector>
 #include <set>
+#include <random>
 #include "network.h"
-#include "../ocgcore/mtrandom.h"
 
 namespace ygo {
 
@@ -26,7 +26,8 @@ class DuelClient {
 	static unsigned char last_successful_msg[SIZE_NETWORK_BUFFER];
 	static size_t last_successful_msg_length;
 	static wchar_t event_string[256];
-	static mt19937 rnd;
+	static std::mt19937 rnd;
+	static std::uniform_real_distribution<float> real_dist;
 	static bool is_refreshing;
 	static int match_kill;
 	static event* resp_event;

diff --git a/gframe/replay_mode.cpp b/gframe/replay_mode.cpp
@@ -2,7 +2,7 @@
 #include "duelclient.h"
 #include "game.h"
 #include "data_manager.h"
-#include "../ocgcore/mtrandom.h"
+#include <random>
 #include <thread>
 
 namespace ygo {

diff --git a/gframe/sound_manager.cpp b/gframe/sound_manager.cpp
@@ -16,7 +16,7 @@ bool SoundManager::Init() {
 #ifdef YGOPRO_USE_AUDIO
 	bgm_scene = -1;
 	RefreshBGMList();
-	rnd.reset((unsigned int)std::time(nullptr));
+	rnd.seed(std::random_device()());
 #ifdef YGOPRO_USE_MINIAUDIO
 	engineConfig = ma_engine_config_init();
 #ifdef YGOPRO_MINIAUDIO_SUPPORT_OPUS_VORBIS
@@ -302,7 +302,7 @@ void SoundManager::PlayBGM(int scene) {
 		if(count <= 0)
 			return;
 		bgm_scene = scene;
-		int bgm = rnd.get_random_integer(0, count -1);
+		int bgm = (count > 1) ? std::uniform_int_distribution<>(0, count - 1)(rnd) : 0;
 		auto name = BGMList[scene][bgm].c_str();
 		wchar_t BGMName[1024];
 		myswprintf(BGMName, L"./sound/BGM/%ls", name);

diff --git a/gframe/sound_manager.h b/gframe/sound_manager.h
@@ -2,7 +2,7 @@
 #define SOUNDMANAGER_H
 
 #include "game.h"
-#include "../ocgcore/mtrandom.h"
+#include <random>
 #ifdef YGOPRO_USE_MINIAUDIO
 #include <miniaudio.h>
 #endif
@@ -16,7 +16,7 @@ class SoundManager {
 private:
 	std::vector<std::wstring> BGMList[8];
 	int bgm_scene{};
-	mt19937 rnd;
+	std::mt19937 rnd;
 #ifdef YGOPRO_USE_MINIAUDIO
 	ma_engine_config engineConfig;
 #ifdef YGOPRO_MINIAUDIO_SUPPORT_OPUS_VORBIS