video.cpp

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#include "src/common/util.h"
#include "src/common/configman.h"

#include "src/aurora/talkman.h"

#include "src/graphics/graphics.h"

#include "src/engines/nwn/gui/widgets/panel.h"
#include "src/engines/nwn/gui/widgets/label.h"
#include "src/engines/nwn/gui/widgets/slider.h"

#include "src/engines/nwn/gui/options/video.h"
#include "src/engines/nwn/gui/options/resolution.h"
#include "src/engines/nwn/gui/options/videoadv.h"

namespace Engines {

namespace NWN {

OptionsVideoMenu::OptionsVideoMenu(bool isMain, ::Engines::Console *console) : GUI(console) {
    load("options_video");

    if (isMain) {
        WidgetPanel *backdrop = new WidgetPanel(*this, "PNL_MAINMENU", "pnl_mainmenu");
        backdrop->setPosition(0.0f, 0.0f, 100.0f);
        addWidget(backdrop);
    }

    // TODO: Video quality
    getWidget("VidQualSlider", true)->setDisabled(true);

    // TODO: Sky boxes
    Widget *skyBox = getWidget("SkyboxBox");
    if (skyBox)
        skyBox->setDisabled(true);

    // TODO: Environment shadows
    getWidget("EnvShadowBox", true)->setDisabled(true);

    // TODO: Creature shadows
    getWidget("ShadowSlider", true)->setDisabled(true);

    _resolution.reset(new OptionsResolutionMenu   (isMain, _console));
    _advanced.reset  (new OptionsVideoAdvancedMenu(isMain, _console));
}

OptionsVideoMenu::~OptionsVideoMenu() {
}

void OptionsVideoMenu::show() {
    _gamma = WindowMan.getGamma();

    if (_gamma == 0.0f) {
        getWidget("GammaSlider"     , true)->setDisabled(true);
        getWidget("GammaResetButton", true)->setDisabled(true);
    } else {
        getWidget("GammaSlider"     , true)->setDisabled(false);
        getWidget("GammaResetButton", true)->setDisabled(false);
    }

    int gammaValue = CLIP(_gamma - 0.1f, 0.0f, 1.9f) * 10;

    getSlider("GammaSlider", true)->setState(gammaValue);

    _textureLevel = ConfigMan.getInt("texturepack", 1);
    getSlider("TextureSlider", true)->setState(_textureLevel);

    updateTextureQualityLabel();

    GUI::show();
}

void OptionsVideoMenu::initWidget(Widget &widget) {
    if (widget.getTag() == "GammaSlider") {
        dynamic_cast<WidgetSlider &>(widget).setSteps(19);
        return;
    }

    if (widget.getTag() == "TextureSlider") {
        dynamic_cast<WidgetSlider &>(widget).setSteps(3);
        return;
    }
}

void OptionsVideoMenu::callbackActive(Widget &widget) {
    if ((widget.getTag() == "CancelButton") ||
        (widget.getTag() == "XButton")) {

        revertChanges();
        _returnCode = 1;
        return;
    }

    if (widget.getTag() == "OkButton") {

        adoptChanges();
        _returnCode = 2;
        return;
    }

    if (widget.getTag() == "VideoModeButton") {
        sub(*_resolution);
        return;
    }

    if (widget.getTag() == "AdvVideoButton") {
        sub(*_advanced);
        return;
    }

    if (widget.getTag() == "GammaSlider") {
        float gamma = dynamic_cast<WidgetSlider &>(widget).getState() / 10.0f;

        WindowMan.setGamma(gamma + 0.1f);
        return;
    }

    if (widget.getTag() == "GammaResetButton") {
        WindowMan.setGamma(_gamma);

        int gammaValue = CLIP(_gamma - 0.1f, 0.0f, 1.9f) * 10;

        getSlider("GammaSlider", true)->setState(gammaValue);
        return;
    }

    if (widget.getTag() == "TextureSlider") {
        _textureLevel = dynamic_cast<WidgetSlider &>(widget).getState();

        updateTextureQualityLabel();
        return;
    }

    if (widget.getTag() == "ApplyButton") {
        ConfigMan.setInt("texturepack", _textureLevel);
        return;
    }

}

void OptionsVideoMenu::updateTextureQualityLabel() {
    getLabel("TextureQualDesc", true)->setText(TalkMan.getString(7031 + _textureLevel));
}

void OptionsVideoMenu::adoptChanges() {
    ConfigMan.setDouble("gamma", WindowMan.getGamma(), true);
    ConfigMan.setInt("texturepack", _textureLevel);
}

void OptionsVideoMenu::revertChanges() {
    WindowMan.setGamma(_gamma);
}

} // End of namespace NWN

} // End of namespace Engines