generalgamesetuppanel.cpp

//------------------------------------------------------------------------------
// generalgamesetuppanel.cpp
//------------------------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301  USA
//
//------------------------------------------------------------------------------
// Copyright (C) 2014 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#include "generalgamesetuppanel.h"
#include "ui_generalgamesetuppanel.h"

#include "configuration/doomseekerconfig.h"
#include "filefilter.h"
#include "gui/createserver/maplistpanel.h"
#include "gui/createserverdialog.h"
#include "ini/ini.h"
#include "plugins/engineplugin.h"
#include "plugins/pluginloader.h"
#include "serverapi/gamecreateparams.h"
#include "serverapi/gameexefactory.h"
#include "serverapi/gamefile.h"
#include <cassert>
#include <QFileDialog>
#include <QFileInfo>
#include <QMessageBox>
#include <QTimer>

DClass<GeneralGameSetupPanel> : public Ui::GeneralGameSetupPanel
{
public:
        EnginePlugin *currentEngine;
        GameCreateParams::HostMode hostMode;
        bool iwadSetExplicitly;
        CreateServerDialog *parentDialog;

        int serverNameRow;
        int portRow;
        int hostModeSpacerRow;

        bool isValidExecutable(const QString &executablePath)
        {
                QFileInfo fileInfo(executablePath);
                return !executablePath.isEmpty() && fileInfo.isFile();
        }
};

DPointered(GeneralGameSetupPanel)


GeneralGameSetupPanel::GeneralGameSetupPanel(QWidget *parent)
        : QWidget(parent)
{
        d->setupUi(this);
        d->hostMode = GameCreateParams::Host;
        d->iwadSetExplicitly = false;
        d->parentDialog = nullptr;

        d->hostExecutableInput->setAllowedExecutables(GameFile::Server);
        d->offlineExecutableInput->setAllowedExecutables(GameFile::Offline);
        d->remoteExecutableInput->setAllowedExecutables(GameFile::Client);

        d->formLayout->getWidgetPosition(d->leServerName, &d->serverNameRow, nullptr);
        d->formLayout->getWidgetPosition(d->portArea, &d->portRow, nullptr);
        d->formLayout->getWidgetPosition(d->hostModeSpacer, &d->hostModeSpacerRow, nullptr);

        this->connect(d->cboEngine, SIGNAL(currentPluginChanged(EnginePlugin*)),
                SIGNAL(pluginChanged(EnginePlugin*)));
}

GeneralGameSetupPanel::~GeneralGameSetupPanel()
{
}

QStringList GeneralGameSetupPanel::getAllWadPaths() const
{
        QStringList paths;
        paths << d->iwadPicker->currentIwad() << d->wadsPicker->filePaths();
        return paths;
}

void GeneralGameSetupPanel::fillInParams(GameCreateParams &params)
{
        params.setExecutablePath(pathToExe());
        params.setIwadPath(d->iwadPicker->currentIwad());
        params.setLoggingPath(d->logDirectoryPicker->validatedCurrentPath());
        params.setPwadsPaths(d->wadsPicker->filePaths());
        params.setPwadsOptional(d->wadsPicker->fileOptional());
        params.setBroadcastToLan(d->cbBroadcastToLAN->isChecked());
        params.setBroadcastToMaster(d->cbBroadcastToMaster->isChecked());
        params.setMap(d->leMap->text());
        params.setName(d->leServerName->text());
        params.setPort(d->spinPort->isEnabled() ? d->spinPort->value() : 0);
        params.setGameMode(currentGameMode());
        params.setSkill(d->cboDifficulty->itemData(d->cboDifficulty->currentIndex()).toInt());
        params.setUpnp(d->cbUpnp->isChecked());
        params.setUpnpPort(d->spinUpnpPort->value());
}

void GeneralGameSetupPanel::loadConfig(Ini &config, bool loadingPrevious)
{
        IniSection general = config.section("General");

        // Engine
        const EnginePlugin *prevEngine = d->currentEngine;
        QString configEngineName = general["engine"];
        bool engineChanged = false;
        if (d->hostMode != GameCreateParams::Remote)
        {
                if (!setEngine(configEngineName))
                        return;
                engineChanged = (prevEngine != d->currentEngine);
        }

        // Executables
        bool changeExecutable = engineChanged || !d->cbLockExecutable->isChecked();
        if (d->hostMode == GameCreateParams::Remote)
        {
                // If we're configuring a remote game the engine cannot be changed.
                // Don't substitute the executable when the config that is being
                // loaded is for a different game.
                auto *plugin = gPlugins->plugin(gPlugins->pluginIndexFromName(configEngineName));
                if (plugin == nullptr || d->currentEngine != plugin->info())
                        changeExecutable = false;
        }

        if (changeExecutable)
        {
                QString hostExecutablePath = *general["hostExecutable"];
                if (d->isValidExecutable(hostExecutablePath))
                        d->hostExecutableInput->setPath(hostExecutablePath);

                QString offlineExecutablePath = *general["offlineExecutable"];
                if (d->isValidExecutable(offlineExecutablePath))
                        d->offlineExecutableInput->setPath(offlineExecutablePath);

                QString remoteExecutablePath = *general["remoteExecutable"];
                if (d->isValidExecutable(remoteExecutablePath))
                        d->remoteExecutableInput->setPath(remoteExecutablePath);
        }

        // Other
        d->leServerName->setText(general["name"]);
        d->spinPort->setValue(general["port"]);

        int gameModeIndex = d->cboGamemode->findData(static_cast<gamemode_id>(general["gamemode"]));
        if (gameModeIndex >= 0)
                d->cboGamemode->setCurrentIndex(gameModeIndex);

        int difficultyIndex = d->cboDifficulty->findData(static_cast<int>(general["difficulty"]));
        d->cboDifficulty->setCurrentIndex(qMax(0, difficultyIndex));

        d->leMap->setText(general["map"]);

        if (!(loadingPrevious && d->iwadSetExplicitly))
                d->iwadPicker->addIwad(general["iwad"]);

        d->logDirectoryPicker->setLoggingEnabled(general["logEnabled"]);
        d->logDirectoryPicker->setPathAndUpdate(general["logDir"]);

        QList<bool> optionalWads;
        for (QString value : general["pwadsOptional"].valueString().split(";"))
        {
                optionalWads << (value != "0");
        }
        d->wadsPicker->setFilePaths(general["pwads"].valueString().split(";"), optionalWads);

        d->cbBroadcastToLAN->setChecked(general["broadcastToLAN"]);
        d->cbBroadcastToMaster->setChecked(general["broadcastToMaster"]);
        d->cbUpnp->setChecked(general["upnp"]);
        d->spinUpnpPort->setValue(general["upnpPort"]);

        // Timer triggers slot after config is fully loaded.
        QTimer::singleShot(0, this, SLOT(updateMapWarningVisibility()));
}

void GeneralGameSetupPanel::saveConfig(Ini &config)
{
        IniSection general = config.section("General");
        general["engine"] = d->cboEngine->currentText();
        general["hostExecutable"] = d->hostExecutableInput->path();
        general["offlineExecutable"] = d->offlineExecutableInput->path();
        general["remoteExecutable"] = d->remoteExecutableInput->path();
        general["name"] = d->leServerName->text();
        general["port"] = d->spinPort->value();
        general["logDir"] = d->logDirectoryPicker->currentPath();
        general["logEnabled"] = d->logDirectoryPicker->isLoggingEnabled();
        general["gamemode"] = d->cboGamemode->itemData(d->cboGamemode->currentIndex()).toInt();
        general["map"] = d->leMap->text();
        general["difficulty"] = d->cboDifficulty->itemData(d->cboDifficulty->currentIndex()).toInt();
        general["iwad"] = d->iwadPicker->currentIwad();

        general["pwads"] = d->wadsPicker->filePaths().join(";");
        QList<bool> optionalWads = d->wadsPicker->fileOptional();
        QStringList optionalList;
        for (bool optional : optionalWads)
        {
                optionalList << (optional ? "1" : "0");
        }
        general["pwadsOptional"] = optionalList.join(";");

        general["broadcastToLAN"] = d->cbBroadcastToLAN->isChecked();
        general["broadcastToMaster"] = d->cbBroadcastToMaster->isChecked();
        general["upnp"] = d->cbUpnp->isChecked();
        general["upnpPort"] = d->spinUpnpPort->value();
}

void GeneralGameSetupPanel::reloadAppConfig()
{
        d->hostExecutableInput->reloadExecutables();
        d->offlineExecutableInput->reloadExecutables();
        d->remoteExecutableInput->reloadExecutables();
        d->iwadPicker->loadIwads();
}

void GeneralGameSetupPanel::setupDifficulty(const EnginePlugin *engine)
{
        QVariant oldDifficulty = d->cboDifficulty->itemData(d->cboDifficulty->currentIndex());
        d->cboDifficulty->clear();

        QList<GameCVar> levels = engine->data()->difficulty->get(QVariant());
        d->labelDifficulty->setVisible(!levels.isEmpty());
        d->cboDifficulty->setVisible(!levels.isEmpty());
        d->cboDifficulty->addItem(tr("< NONE >"), Skill::UNDEFINED);
        for (const GameCVar &level : levels)
        {
                d->cboDifficulty->addItem(level.name(), level.value());
        }
        int memorizedIndex = d->cboDifficulty->findData(oldDifficulty);
        if (memorizedIndex >= 0)
                d->cboDifficulty->setCurrentIndex(memorizedIndex);
}

void GeneralGameSetupPanel::setupForEngine(EnginePlugin *engine)
{
        d->currentEngine = engine;

        d->cboEngine->setPluginByName(engine->data()->name);
        d->labelIwad->setVisible(engine->data()->hasIwad);
        d->iwadPicker->setVisible(engine->data()->hasIwad);
        d->labelLogging->setVisible(engine->data()->allowsLogging);
        d->logDirectoryPicker->setVisible(engine->data()->allowsLogging);
        d->upnpArea->setVisible(engine->data()->allowsUpnp);
        d->spinUpnpPort->setVisible(engine->data()->allowsUpnpPort);

        d->hostExecutableInput->setPlugin(engine);
        d->offlineExecutableInput->setPlugin(engine);
        d->remoteExecutableInput->setPlugin(engine);

        d->spinPort->setValue(d->currentEngine->data()->defaultServerPort);

        d->cboGamemode->clear();
        d->cboGamemode->addItem(tr("< NONE >"), GameMode::SGM_Unknown);

        QList<GameMode> gameModes = d->currentEngine->gameModes();
        for (int i = 0; i < gameModes.count(); ++i)
                d->cboGamemode->addItem(gameModes[i].name(), gameModes[i].index());
        setupDifficulty(engine);
}

void GeneralGameSetupPanel::setupForHostMode(GameCreateParams::HostMode hostMode)
{
        d->hostMode = hostMode;

        d->cboEngine->setDisabled(hostMode == GameCreateParams::Remote);

        d->hostExecutableInput->hide();
        d->offlineExecutableInput->hide();
        d->remoteExecutableInput->hide();
        switch (hostMode)
        {
        default:
        case GameCreateParams::Host: d->hostExecutableInput->show(); break;
        case GameCreateParams::Offline: d->offlineExecutableInput->show(); break;
        case GameCreateParams::Remote: d->remoteExecutableInput->show(); break;
        }

        d->labelServerName->setVisible(hostMode == GameCreateParams::Host);
        d->leServerName->setVisible(hostMode == GameCreateParams::Host);
        d->labelPort->setVisible(hostMode == GameCreateParams::Host);
        d->portArea->setVisible(hostMode == GameCreateParams::Host);
        d->hostModeSpacer->setVisible(hostMode == GameCreateParams::Host);
        d->broadcastOptionsArea->setVisible(hostMode == GameCreateParams::Host);

        // Insert/remove operations are necessary to get rid of extra
        // spacing remaining when hiding form elements.
        if (hostMode == GameCreateParams::Host)
        {
                d->formLayout->insertRow(d->serverNameRow, d->labelServerName, d->leServerName);
                d->formLayout->insertRow(d->portRow, d->labelPort, d->portArea);
                d->formLayout->insertRow(d->hostModeSpacerRow, d->hostModeSpacer,
                        static_cast<QWidget *>(nullptr));
        }
        else
        {
                d->formLayout->removeWidget(d->labelServerName);
                d->formLayout->removeWidget(d->leServerName);
                d->formLayout->removeWidget(d->labelPort);
                d->formLayout->removeWidget(d->portArea);
                d->formLayout->removeWidget(d->hostModeSpacer);
        }
}

void GeneralGameSetupPanel::setCreateServerDialog(CreateServerDialog *dialog)
{
        d->parentDialog = dialog;
}

void GeneralGameSetupPanel::setIwadByName(const QString &iwad)
{
        d->iwadSetExplicitly = true;
        d->iwadPicker->setIwadByName(iwad);
}

void GeneralGameSetupPanel::showEvent(QShowEvent *event)
{
        Q_UNUSED(event);
        updateMapWarningVisibility();
}

QString GeneralGameSetupPanel::mapName() const
{
        return d->leMap->text();
}

QString GeneralGameSetupPanel::pathToExe()
{
        switch (d->hostMode)
        {
        default:
        case GameCreateParams::Host: return d->hostExecutableInput->path();
        case GameCreateParams::Offline: return d->offlineExecutableInput->path();
        case GameCreateParams::Remote: return d->remoteExecutableInput->path();
        }
}

void GeneralGameSetupPanel::onGameModeChanged(int index)
{
        if (index >= 0)
                emit gameModeChanged(currentGameMode());
}

GameMode GeneralGameSetupPanel::currentGameMode() const
{
        QList<GameMode> gameModes = d->currentEngine->gameModes();
        for (const GameMode &mode : gameModes)
        {
                if (mode.index() == d->cboGamemode->itemData(d->cboGamemode->currentIndex()).toInt())
                        return mode;
        }
        return GameMode::mkUnknown();
}

EnginePlugin *GeneralGameSetupPanel::currentPlugin() const
{
        return d->cboEngine->currentPlugin();
}

bool GeneralGameSetupPanel::setEngine(const QString &engineName)
{
        if (!d->cboEngine->setPluginByName(engineName))
        {
                QMessageBox::critical(this, tr("Doomseeker - load server config"),
                        tr("Plugin for engine \"%1\" is not present!").arg(engineName));
                return false;
        }
        return true;
}

void GeneralGameSetupPanel::updateMapWarningVisibility()
{
        assert(d->parentDialog != nullptr);
        MapListPanel *mapList = d->parentDialog->mapListPanel();
        d->lblMapWarning->setVisible(mapList->hasMaps() && !mapList->isMapOnList(mapName()));
}