charskills.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/strutil.h"

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

#include "src/graphics/graphics.h"

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

#include "src/engines/nwn/creature.h"
#include "src/engines/nwn/gui/widgets/button.h"
#include "src/engines/nwn/gui/widgets/label.h"
#include "src/engines/nwn/gui/widgets/panel.h"
#include "src/engines/nwn/gui/widgets/listbox.h"
#include "src/engines/nwn/gui/widgets/editbox.h"
#include "src/engines/nwn/gui/chargen/charskills.h"

namespace Engines {

namespace NWN {

WidgetListItemSkill::WidgetListItemSkill(::Engines::GUI &gui, SkillItem skill) :
    WidgetListItemButton(gui, "ctl_cg_btn_skill", skill.name, skill.icon),
    _upButton(0), _downButton(0), _skillPointPanel(0), _skill(skill) {

    setTag("Item#" + skill.name);

    // Set maximum width for text.
    _text->set(skill.name, 230.f);

    // Up and down buttons.
    _upButton = new WidgetButton(gui, _tag + "#Up", "ctl_cg_btn_skup");
    addChild(*_upButton);
    addSub(*_upButton);

    _downButton = new WidgetButton(gui, _tag + "#Down", "ctl_cg_btn_skdn");
    addChild(*_downButton);
    addSub(*_downButton);

    _skillPointPanel = new WidgetPanel(gui, _tag + "#SkillPointPanel", "ctl_cg_numbox3");
    _skillPointPanel->initCaption("fnt_galahad14", "0", 1.0f, 1.0f, 1.0f, 1.0f,
                                  Graphics::Aurora::kHAlignCenter, Graphics::Aurora::kVAlignMiddle);
    addChild(*_skillPointPanel);
}

WidgetListItemSkill::~WidgetListItemSkill() {
    _skillPointPanel->remove();
}

void WidgetListItemSkill::setPosition(float x, float y, float z) {
    WidgetListItemButton::setPosition(x, y, z);

    float pX, pY, pZ;
    _button->getNode("skillup")->getPosition(pX, pY, pZ);
    _upButton->setPosition(pX + x, pY + y, z - 5.f);
    _button->getNode("skilldown")->getPosition(pX, pY, pZ);
    _downButton->setPosition(pX + x, pY + y, z - 5.f);

    _button->getNode("skillrank")->getPosition(pX, pY, pZ);
    _skillPointPanel->setPosition(pX + x, pY + y, z - pZ);
}

void WidgetListItemSkill::reset() {
    _skill.rank = _skill.minRank;
    _skillPointPanel->setText(Common::composeString<uint8>(_skill.rank));
}

void WidgetListItemSkill::mouseDown(uint8 state, float x, float y) {
    WidgetListItem::mouseDown(state, x, y);

    uint8 cost = (_skill.isClassSkill) ? 1 : 2;
    dynamic_cast<CharSkills &>(*_gui).setSkillCost(cost);
}

void WidgetListItemSkill::subActive(Widget &widget) {
    select();

    uint8 cost = (_skill.isClassSkill) ? 1 : 2;
    dynamic_cast<CharSkills &>(*_gui).setSkillCost(cost);
    dynamic_cast<CharSkills &>(*_gui).setHelpText(_skill.name, _skill.help);

    if (widget.getTag().endsWith("#Up"))
        changeRank(true);

    if (widget.getTag().endsWith("#Down"))
        changeRank(false);
}

bool WidgetListItemSkill::changeRank(bool isIncreasing) {
    uint8 classRankFactor = (_skill.isClassSkill) ? 1 : 2;

    if (isIncreasing) {
        if (_skill.maxRank == _skill.rank)
            return false;
        if (!dynamic_cast<CharSkills &>(*_gui).changeAvailableSkillRank(-1 * classRankFactor))
            return false;

        ++_skill.rank;
    } else {
        if (_skill.rank == _skill.minRank)
            return false;
        dynamic_cast<CharSkills &>(*_gui).changeAvailableSkillRank(1 * classRankFactor);
        --_skill.rank;
    }

    _skillPointPanel->setText(Common::composeString<uint8>(_skill.rank));
    return true;
}

CharSkills::CharSkills(CharGenChoices &choices, ::Engines::Console *console) : CharGenBase(console) {
    _choices = &choices;
    load("cg_skills");

    _helpTextBox = getEditBox("HelpBox", true);

    // Adjust panel position.
    WidgetLabel *costBox = getLabel("CostBox", true);
    costBox->movePosition(costBox->getWidth(), 0.f, 0.f);

    createSkillsList();

    getLabel("PtsRemainingBox", true)->setText(Common::composeString<uint8>(_availableSkillRank));

    // Default help texts.
    getEditBox("HelpBox", true)->setTitle("fnt_galahad14", TalkMan.getString(58250));
    getEditBox("HelpBox", true)->setText("fnt_galahad14", TalkMan.getString(58251));
}

CharSkills::~CharSkills() {
}

void CharSkills::reset() {
    WidgetListBox *skillBox = getListBox("SkillsButtonBox", true);
    skillBox->deselect();

    uint8 spentPoint = 0;
    for (std::vector<WidgetListItem *>::iterator it = skillBox->begin();
         it != skillBox->end(); ++it) {

        WidgetListItemSkill &item = dynamic_cast<WidgetListItemSkill &>(**it);
        spentPoint += (item._skill.isClassSkill) ? item._skill.rank : item._skill.rank * 2;
        _choices->setSkill(item._skill.skillID, 0);
        item.reset();
    }
    changeAvailableSkillRank(spentPoint);

    // Default help texts.
    getEditBox("HelpBox", true)->setTitle("fnt_galahad14", TalkMan.getString(58250));
    getEditBox("HelpBox", true)->setText("fnt_galahad14", TalkMan.getString(58251));

    _choices->setNotUsedSkills(0);
    for (size_t sk = 0; sk < 28; ++sk)
        _choices->setSkill(sk, 0);
}

void CharSkills::hide() {
    CharGenBase::hide();

    if (_returnCode == 1)
        reset();
}

bool CharSkills::changeAvailableSkillRank(int changeRank) {
    if ((int) _availableSkillRank + changeRank < 0)
        return false;

    _availableSkillRank += changeRank;
    getLabel("PtsRemainingBox", true)->setText(Common::composeString<uint8>(_availableSkillRank));
    return true;
}

void CharSkills::setSkillCost(uint8 cost) {
    getLabel("CostBox")->setText(Common::composeString<uint8>(cost));
}

void CharSkills::callbackActive(Widget &widget) {
    if (widget.getTag() == "SkillsButtonBox") {
        WidgetListBox       *skillBox = getListBox("SkillsButtonBox", true);
        WidgetListItemSkill *item     = dynamic_cast<WidgetListItemSkill *>(skillBox->getSelectedItem());

        if (item)
            setHelpText(item->_skill.name, item->_skill.help);
    }

    if (widget.getTag() == "OkButton") {
        // Retrieve all skills rank.
        WidgetListBox *skillBox = getListBox("SkillsButtonBox", true);
        for (std::vector<WidgetListItem *>::iterator it = skillBox->begin();
             it != skillBox->end(); ++it) {
            WidgetListItemSkill &item = dynamic_cast<WidgetListItemSkill &>(**it);
            size_t skillIndex         = item._skill.skillID;
            uint8 skillRank           = item._skill.rank;

            _choices->setSkill(skillIndex, skillRank);
        }

        _choices->setNotUsedSkills(_availableSkillRank);

        _returnCode = 2;
        return;
    }

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

    if (widget.getTag() == "RecommendButton") {
        GfxMan.lockFrame();
        setRecommendedSkills();
        GfxMan.unlockFrame();
        return;
    }
}

void CharSkills::setHelpText(const Common::UString &title, const Common::UString &text) {
    _helpTextBox->setTitle("fnt_galahad14", title);
    _helpTextBox->setText("fnt_galahad14", text);
}

void CharSkills::createSkillsList() {
    _availableSkillRank = _choices->computeAvailSkillRank();

    std::vector<SkillItem> skills;
    _choices->getSkillItems(skills);

    WidgetListBox *skillListBox = getListBox("SkillsButtonBox");
    skillListBox->setMode(WidgetListBox::kModeSelectable);
    skillListBox->lock();

    for (std::vector<SkillItem>::iterator s = skills.begin(); s != skills.end(); ++s)
        skillListBox->add(new WidgetListItemSkill(*this, *s), true);

    skillListBox->sortByTag();
    skillListBox->unlock();
}

void CharSkills::setRecommendedSkills() {
    reset();

    std::vector<uint8> prefSkills;
    _choices->getPrefSkills(prefSkills);

    WidgetListBox *listBox = getListBox("SkillsButtonBox");

    // Fill preferred skills
    for (std::vector<uint8>::iterator pS = prefSkills.begin(); pS != prefSkills.end(); ++pS) {
        if (_availableSkillRank == 0)
            break;

        for (std::vector<WidgetListItem *>::iterator i = listBox->begin(); i != listBox->end(); ++i) {
            WidgetListItemSkill &item = dynamic_cast<WidgetListItemSkill &>(**i);

            if (item._skill.skillID != *pS)
                continue;

            // Increase skill rank to the maximum.
            bool skillFilled = false;
            while (!skillFilled) {
                if (!item.changeRank(true))
                    skillFilled = true;
            }

            // Continue to the next preferred skill.
            break;
        }
    }
}

}   // End of namespace NWN

} // End of namespace Engines