charattributes.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/aurora/talkman.h"
#include "src/aurora/2dareg.h"
#include "src/aurora/2dafile.h"

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

#include "src/graphics/aurora/modelnode.h"

#include "src/engines/nwn/gui/widgets/button.h"
#include "src/engines/nwn/gui/widgets/label.h"
#include "src/engines/nwn/gui/widgets/buttonsgroup.h"
#include "src/engines/nwn/gui/widgets/editbox.h"

#include "src/engines/nwn/gui/chargen/charattributes.h"

namespace Engines {

namespace NWN {

CharAttributes::CharAttributes(CharGenChoices &choices, ::Engines::Console *console) :
    CharGenBase(console) {

    _choices = &choices;
    load("cg_attributes");

    getButton("OkButton", true)->setDisabled(true);

    // Init attribute values.
    _attributes.assign(6, 8);
    _attrAdjust.assign(6, 0);
    _pointLeft = 30;

    init();
}

CharAttributes::~CharAttributes() {
}

void CharAttributes::reset() {
    getEditBox("HelpEdit", true)->setTitle("fnt_galahad14", TalkMan.getString(261));
    getEditBox("HelpEdit", true)->setText("fnt_galahad14", TalkMan.getString(457));

    _attributes.assign(6, 8);
    _attrAdjust.assign(6, 0);
    _pointLeft = 30;

    getButton("PointsEdit", true)->setText(Common::composeString<uint32>(_pointLeft));
    getButton("CostEdit", true)->setText("");

    getButton("OkButton", true)->setDisabled(true);
}

void CharAttributes::callbackActive(Widget &widget) {
    if (widget.getTag() == "OkButton") {
        _choices->setAbilities(_attributes, _attrAdjust);
        _returnCode = 2;
        return;
    }

    if (widget.getTag() == "CancelButton") {
        _returnCode = 1;
        return;
    }

    if (widget.getTag() == "RecommendButton") {
        setRecommend();
        return;
    }

    const std::vector< WidgetButton* > buttonsList = _attrButtons->getButtonsList();

    // Update texts when attribute buttons are clicked.
    if (widget.getTag().endsWith("Label")) {
        _attrButtons->setActive(dynamic_cast<WidgetButton *>(&widget));

        for (uint b = 0; b < 6; ++b) {
            if (buttonsList[b] != &widget)
                continue;

            updateText(b);
            break;
        }
    }

    // Compute and update attributes when any Up and Down attribute buttons are triggered.
    for (size_t a = 0; a< 6; ++a) {
        if (buttonsList[a] != widget.getParent())
            continue;

        if (widget.getTag().endsWith("UpButton")) {
            uint cost = pointCost(_attributes[a] + 1);
            if ((_attributes[a] == 18) || (cost > _pointLeft))
                break;

            _pointLeft -= cost;
            _attributes[a]++;
        } else if (widget.getTag().endsWith("DownButton")) {
            if (_attributes[a] == 8)
                    break;

                _pointLeft += pointCost(_attributes[a]);
                _attributes[a]--;
        }

        genTextAttributes(a);
        _attrButtons->setActive(a);
        updateText(a);

        if (_pointLeft == 0)
                getButton("OkButton", true)->setDisabled(false);
            else
                getButton("OkButton", true)->setDisabled(true);

        break;
    }
}

void CharAttributes::init() {
    // Set default text.
    getEditBox("HelpEdit", true)->setTitle("fnt_galahad14", TalkMan.getString(261));
    getEditBox("HelpEdit", true)->setText("fnt_galahad14", TalkMan.getString(457));

    // Get WidgetLabels of the attribute values.
    _labelAttributes.push_back(getLabel("StrEdit", true));
    _labelAttributes.push_back(getLabel("DexEdit", true));
    _labelAttributes.push_back(getLabel("ConEdit", true));
    _labelAttributes.push_back(getLabel("WisEdit", true));
    _labelAttributes.push_back(getLabel("IntEdit", true));
    _labelAttributes.push_back(getLabel("ChaEdit", true));
}

void CharAttributes::initButtonsGroup() {
    //TODO Help text should implement racial bonus as well as current attribute value.

    _attrButtons.reset(new ButtonsGroup(getEditBox("HelpEdit", true)));
    _attrButtons->addButton(getButton("StrLabel", true), TalkMan.getString(473), TalkMan.getString(459));
    _attrButtons->addButton(getButton("DexLabel", true), TalkMan.getString(474), TalkMan.getString(460));
    _attrButtons->addButton(getButton("ConLabel", true), TalkMan.getString(475), TalkMan.getString(461));
    _attrButtons->addButton(getButton("WisLabel", true), TalkMan.getString(476), TalkMan.getString(462));
    _attrButtons->addButton(getButton("IntLabel", true), TalkMan.getString(477), TalkMan.getString(463));
    _attrButtons->addButton(getButton("ChaLabel", true), TalkMan.getString(479), TalkMan.getString(478));

    // Set buttons to unchanged mode.
    const std::vector< WidgetButton* > buttonsList = _attrButtons->getButtonsList();
    for (std::vector<WidgetButton *>::const_iterator it = buttonsList.begin(); it != buttonsList.end(); ++it)
        (*it)->setMode(WidgetButton::kModeUnchanged);
}

void CharAttributes::show() {
    // Check attribute adjustment from racial type.
    const Aurora::TwoDAFile &twoda = TwoDAReg.get2DA("racialtypes");
    const Aurora::TwoDARow  &row   = twoda.getRow(_choices->getRace());
    _attrAdjust.clear();
    _attrAdjust.push_back(row.getInt(8));
    _attrAdjust.push_back(row.getInt(9));
    _attrAdjust.push_back(row.getInt(13));
    _attrAdjust.push_back(row.getInt(12));
    _attrAdjust.push_back(row.getInt(10));
    _attrAdjust.push_back(row.getInt(11));

    // Update attribute text accordingly.
    for (size_t it = 0; it < 6; ++it) {
        genTextAttributes(it);
    }

    // Init attribute buttons.
    initButtonsGroup();

    Engines::GUI::show();
}

void CharAttributes::hide() {
    Engines::GUI::hide();

    if (_returnCode == 1) {
        // Get previous choice.
        uint sum = 0;
        for (size_t ab = 0; ab < 6; ++ab) {
            _attributes[ab] = _choices->getAbility(static_cast<Ability>(ab));
            sum += _attributes[ab];
        }
        _pointLeft = 0;
        getButton("PointsEdit", true)->setText("0");

        // Attributes were never saved if sum equals 48.
        if (sum == 48)
            reset();
    }
}

void CharAttributes::genTextAttributes(size_t attribute) {
    // Compute modifier.
    uint8 realValue = _attributes[attribute] + _attrAdjust.at(attribute);
    realValue -= 6;
    int8 modifier = (realValue - realValue % 2) / 2;
    modifier -= 2;

    // Transform numbers into strings.
    Common::UString sign = (modifier < 0) ? "" : "+";
    Common::UString attr = Common::composeString<uint8>(_attributes[attribute]
                                                         + _attrAdjust.at(attribute));
    Common::UString modifStr = Common::composeString<int8>(modifier);

    Common::UString output = attr + " (" + sign + modifStr + ")";

    // Update text.
    _labelAttributes[attribute]->setText(output);
}

uint8 CharAttributes::pointCost(uint8 attrValue) {
    if (attrValue < 15) {
        getButton("CostEdit", true)->setText("1");
        return 1;
    }

    attrValue -= 15;
    uint8 cost = ((attrValue - attrValue % 2) / 2) + 2;

    getButton("CostEdit", true)->setText(Common::composeString<uint8>(cost));

    return cost;
}

void CharAttributes::updateText(uint8 attribute) {
    getButton("PointsEdit", true)->setText(Common::composeString<uint8>(_pointLeft));
    pointCost(_attributes[attribute] + 1);
}

void CharAttributes::setRecommend() {
    _pointLeft = 0;
    const Aurora::TwoDAFile &twodaClasses = TwoDAReg.get2DA("classes");
    const Aurora::TwoDARow  &row = twodaClasses.getRow(_choices->getClass());
    for (uint it = 0; it < 6; ++it) {
        _attributes.at(it) = row.getInt(17 + it);
        genTextAttributes(it);
    }

    getButton("PointsEdit", true)->setText("0");

    getButton("OkButton", true)->setDisabled(false);
}

} // End of namespace NWN

} // End of namespace Engines