Backport LAN (#2131)

backport the old LAN feature to the modern melonDS codebase.

src/frontend/qt_sdl/NetplayDialog.cpp

@@ -0,0 +1,181 @@
+/*
+    Copyright 2016-2024 melonDS team
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that it will be useful, but WITHOUT ANY
+    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+    FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <queue>
+
+#include <enet/enet.h>
+
+#include <QStandardItemModel>
+#include <QProcess>
+
+#include "NDS.h"
+#include "NDSCart.h"
+#include "main.h"
+//#include "IPC.h"
+#include "NetplayDialog.h"
+//#include "Input.h"
+//#include "ROMManager.h"
+#include "Config.h"
+#include "Savestate.h"
+#include "Platform.h"
+
+#include "ui_NetplayStartHostDialog.h"
+#include "ui_NetplayStartClientDialog.h"
+#include "ui_NetplayDialog.h"
+
+using namespace melonDS;
+
+
+extern EmuThread* emuThread;
+NetplayDialog* netplayDlg;
+
+
+NetplayStartHostDialog::NetplayStartHostDialog(QWidget* parent) : QDialog(parent), ui(new Ui::NetplayStartHostDialog)
+{
+    ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    ui->txtPort->setText("8064");
+}
+
+NetplayStartHostDialog::~NetplayStartHostDialog()
+{
+    delete ui;
+}
+
+void NetplayStartHostDialog::done(int r)
+{
+    if (r == QDialog::Accepted)
+    {
+        std::string player = ui->txtPlayerName->text().toStdString();
+        int port = ui->txtPort->text().toInt();
+
+        // TODO validate input!!
+
+        netplayDlg = NetplayDialog::openDlg(parentWidget());
+
+        Netplay::StartHost(player.c_str(), port);
+    }
+
+    QDialog::done(r);
+}
+
+
+NetplayStartClientDialog::NetplayStartClientDialog(QWidget* parent) : QDialog(parent), ui(new Ui::NetplayStartClientDialog)
+{
+    ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    ui->txtPort->setText("8064");
+}
+
+NetplayStartClientDialog::~NetplayStartClientDialog()
+{
+    delete ui;
+}
+
+void NetplayStartClientDialog::done(int r)
+{
+    if (r == QDialog::Accepted)
+    {
+        std::string player = ui->txtPlayerName->text().toStdString();
+        std::string host = ui->txtIPAddress->text().toStdString();
+        int port = ui->txtPort->text().toInt();
+
+        // TODO validate input!!
+
+        netplayDlg = NetplayDialog::openDlg(parentWidget());
+
+        Netplay::StartClient(player.c_str(), host.c_str(), port);
+    }
+
+    QDialog::done(r);
+}
+
+
+NetplayDialog::NetplayDialog(QWidget* parent) : QDialog(parent), ui(new Ui::NetplayDialog)
+{
+    ui->setupUi(this);
+    setAttribute(Qt::WA_DeleteOnClose);
+
+    QStandardItemModel* model = new QStandardItemModel();
+    ui->tvPlayerList->setModel(model);
+
+    connect(this, &NetplayDialog::sgUpdatePlayerList, this, &NetplayDialog::doUpdatePlayerList);
+}
+
+NetplayDialog::~NetplayDialog()
+{
+    delete ui;
+}
+
+void NetplayDialog::done(int r)
+{
+    // ???
+
+    QDialog::done(r);
+}
+
+void NetplayDialog::updatePlayerList(Netplay::Player* players, int num)
+{
+    emit sgUpdatePlayerList(players, num);
+}
+
+void NetplayDialog::doUpdatePlayerList(Netplay::Player* players, int num)
+{
+    QStandardItemModel* model = (QStandardItemModel*)ui->tvPlayerList->model();
+
+    model->clear();
+    model->setRowCount(num);
+
+    // TODO: remove IP column in final product
+
+    const QStringList header = {"#", "Player", "Status", "Ping", "IP"};
+    model->setHorizontalHeaderLabels(header);
+
+    for (int i = 0; i < num; i++)
+    {
+        Netplay::Player* player = &players[i];
+
+        QString id = QString("%0").arg(player->ID+1);
+        model->setItem(i, 0, new QStandardItem(id));
+
+        QString name = player->Name;
+        model->setItem(i, 1, new QStandardItem(name));
+
+        QString status;
+        switch (player->Status)
+        {
+            case 1: status = ""; break;
+            case 2: status = "Host"; break;
+            default: status = "ded"; break;
+        }
+        model->setItem(i, 2, new QStandardItem(status));
+
+        // TODO: ping
+        model->setItem(i, 3, new QStandardItem("x"));
+
+        char ip[32];
+        u32 addr = player->Address;
+        sprintf(ip, "%d.%d.%d.%d", addr&0xFF, (addr>>8)&0xFF, (addr>>16)&0xFF, addr>>24);
+        model->setItem(i, 4, new QStandardItem(ip));
+    }
+}