videoadv.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/maths.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/checkbox.h"
#include "src/engines/nwn/gui/widgets/slider.h"

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

namespace Engines {

namespace NWN {

OptionsVideoAdvancedMenu::OptionsVideoAdvancedMenu(bool isMain, ::Engines::Console *console) : GUI(console) {
    load("options_adv_vid");

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

    // TODO: Grass
    getWidget("GrassSlider", true)->setDisabled(true);

    // TODO: Creature wind
    getWidget("CreatureWind", true)->setDisabled(true);

    // TODO: Dynamic lights
    getWidget("LightSlider", true)->setDisabled(true);

    // TODO: Shadow casting lights
    getWidget("ShadowLights", true)->setDisabled(true);

    // TODO: Texture animations
    getWidget("TexAnimButton", true)->setDisabled(true);

    // TODO: Environment mapping on creatures
    getWidget("EnvMappingButton", true)->setDisabled(true);

    // TODO: High visual effects
    getWidget("VisEffectsBox", true)->setDisabled(true);

    // TODO: Shiny water
    getWidget("ShinyWaterBox", true)->setDisabled(true);

    // TODO: Use vsync
    getWidget("VsyncBox", true)->setDisabled(true);
}

OptionsVideoAdvancedMenu::~OptionsVideoAdvancedMenu() {
}

void OptionsVideoAdvancedMenu::show() {
    _oldFSAA = MAX(GfxMan.getCurrentFSAA(), 0);
    _fsaa = _oldFSAA;

    int fsaa = _oldFSAA;
    if (fsaa > 0)
        fsaa = MAX(0, Common::intLog2(fsaa));

    getSlider("AntiAliasSlider", true)->setState(fsaa);

    updateFSAALabel(fsaa);

    WidgetCheckBox *largeFonts = getCheckBox("UseLargeFont");
    if (largeFonts)
        largeFonts->setState(ConfigMan.getBool("largefonts"));

    GUI::show();
}

void OptionsVideoAdvancedMenu::fixWidgetType(const Common::UString &tag, WidgetType &type) {
    if (tag == "CreatureWind")
        type = kWidgetTypeSlider;
}

void OptionsVideoAdvancedMenu::initWidget(Widget &widget) {
    if (widget.getTag() == "AntiAliasSlider") {
        int maxFSAA = WindowMan.getMaxFSAA();

        if (maxFSAA <= 0)
            // No antialiasing available
            dynamic_cast<WidgetSlider &>(widget).setDisabled(true);
        else
            dynamic_cast<WidgetSlider &>(widget).setSteps(MAX(0, Common::intLog2(maxFSAA)));

        return;
    }
}

void OptionsVideoAdvancedMenu::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() == "AntiAliasSlider") {
        _fsaa = dynamic_cast<WidgetSlider &>(widget).getState();

        updateFSAALabel(_fsaa);
        if (_fsaa > 0)
        _fsaa = 1 << _fsaa;

        return;
    }
}

void OptionsVideoAdvancedMenu::updateFSAALabel(int n) {
    Common::UString text;
    if      (n == 0)
        text = TalkMan.getString(67539);
    else if (n == 1)
        text = TalkMan.getString(67540);
    else if (n == 2)
        text = TalkMan.getString(67542);
    else
        text = Common::UString::format("%dx %s", 1 << n, TalkMan.getString(67538).c_str());

    getLabel("AntialiasLabel", true)->setText(text);
}

void OptionsVideoAdvancedMenu::adoptChanges() {
    if (_fsaa != _oldFSAA) {
        GfxMan.setFSAA(_fsaa);
        ConfigMan.setInt("antialiasing", _fsaa, true);
    }

    WidgetCheckBox *largeFonts = getCheckBox("UseLargeFont");
    if (largeFonts)
        ConfigMan.setBool("largefonts", largeFonts->getState(), true);
}

void OptionsVideoAdvancedMenu::revertChanges() {
    GfxMan.setFSAA(_oldFSAA);
}

} // End of namespace NWN

} // End of namespace Engines