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path: root/src/gui/equipmentwindow.cpp
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/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2013  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  This program 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 2 of the License, or
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "gui/equipmentwindow.h"

#include "configuration.h"
#include "dragdrop.h"
#include "graphicsvertexes.h"
#include "inventory.h"
#include "item.h"

#include "being/being.h"
#include "being/localplayer.h"
#include "being/playerinfo.h"

#include "gui/itempopup.h"
#include "gui/setup.h"
#include "gui/viewport.h"

#include "gui/widgets/button.h"
#include "gui/widgets/playerbox.h"

#include "net/inventoryhandler.h"
#include "net/net.h"

#include "resources/imageset.h"

#include "utils/dtor.h"
#include "utils/gettext.h"

#include <guichan/font.hpp>

#include <SDL_mouse.h>

#include "debug.h"

static const int BOX_COUNT = 13;

EquipmentWindow::EquipmentWindow(Equipment *const equipment,
                                 Being *const being,
                                 const bool foring):
    // TRANSLATORS: equipment window name
    Window(_("Equipment"), false, nullptr, "equipment.xml"),
    gcn::ActionListener(),
    mEquipment(equipment),
    mItemPopup(new ItemPopup),
    mPlayerBox(new PlayerBox("equipment_playerbox.xml",
        "equipment_selectedplayerbox.xml")),
    // TRANSLATORS: equipment window button
    mUnequip(new Button(this, _("Unequip"), "unequip", this)),
    mSelected(-1),
    mForing(foring),
    mImageSet(nullptr),
    mBeing(being),
    mBoxes(),
    mHighlightColor(getThemeColor(Theme::HIGHLIGHT)),
    mBorderColor(getThemeColor(Theme::BORDER)),
    mLabelsColor(getThemeColor(Theme::LABEL)),
    mLabelsColor2(getThemeColor(Theme::LABEL_OUTLINE)),
    mSlotBackground(),
    mSlotHighlightedBackground(),
    mVertexes(new ImageCollection),
    mItemPadding(getOption("itemPadding")),
    mBoxSize(getOption("boxSize")),
    mButtonPadding(getOption("buttonPadding", 5)),
    mMinX(180),
    mMinY(345),
    mMaxX(0),
    mMaxY(0)
{
    if (setupWindow)
        setupWindow->registerWindowForReset(this);

    if (!mBoxSize)
        mBoxSize = 36;

    // Control that shows the Player
    mPlayerBox->setDimension(gcn::Rectangle(50, 80, 74, 168));
    mPlayerBox->setPlayer(being);

    if (foring)
        setWindowName("Being equipment");
    else
        setWindowName("Equipment");

    setCloseButton(true);
    setSaveVisible(true);
    setStickyButtonLock(true);

    mBoxes.reserve(BOX_COUNT);
    for (int f = 0; f < BOX_COUNT; f ++)
        mBoxes.push_back(nullptr);

    fillBoxes();
    recalcSize();

    loadWindowState();

    const gcn::Rectangle &area = getChildrenArea();
    mUnequip->setPosition(area.width  - mUnequip->getWidth() - mButtonPadding,
        area.height - mUnequip->getHeight() - mButtonPadding);
    mUnequip->setEnabled(false);

    ImageRect rect;
    Theme::instance()->loadRect(rect, "equipment_background.xml", "", 0, 1);
    mSlotBackground = rect.grid[0];
    mSlotHighlightedBackground = rect.grid[1];
    add(mPlayerBox);
    add(mUnequip);
    enableVisibleSound(true);
}

EquipmentWindow::~EquipmentWindow()
{
    delete mItemPopup;
    mItemPopup = nullptr;
    if (this == beingEquipmentWindow)
    {
        if (mEquipment)
            delete mEquipment->getBackend();
        delete mEquipment;
        mEquipment = nullptr;
    }
    delete_all(mBoxes);
    mBoxes.clear();
    if (mImageSet)
    {
        mImageSet->decRef();
        mImageSet = nullptr;
    }
    if (mSlotBackground)
        mSlotBackground->decRef();
    if (mSlotHighlightedBackground)
        mSlotHighlightedBackground->decRef();
    delete mVertexes;
    mVertexes = nullptr;
}

void EquipmentWindow::draw(gcn::Graphics *graphics)
{
    BLOCK_START("EquipmentWindow::draw")
    // Draw window graphics
    Window::draw(graphics);
    Graphics *const g = static_cast<Graphics*>(graphics);

    int i = 0;
    gcn::Font *const font = getFont();
    const int fontHeight = font->getHeight();

    if (openGLMode != RENDER_SAFE_OPENGL)
    {
        if (mLastRedraw)
        {
            mVertexes->clear();
            FOR_EACH (std::vector<EquipmentBox*>::const_iterator, it, mBoxes)
            {
                const EquipmentBox *const box = *it;
                if (!box)
                    continue;
                if (i == mSelected)
                {
                    g->calcTile(mVertexes, mSlotHighlightedBackground,
                        box->x, box->y);
                }
                else
                {
                    g->calcTile(mVertexes, mSlotBackground, box->x, box->y);
                }
            }
        }
        g->drawTile(mVertexes);
    }
    else
    {
        for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
             it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
        {
            const EquipmentBox *const box = *it;
            if (!box)
                continue;
            if (i == mSelected)
                g->drawImage(mSlotHighlightedBackground, box->x, box->y);
            else
                g->drawImage(mSlotBackground, box->x, box->y);
        }
    }

    if (!mEquipment)
    {
        BLOCK_END("EquipmentWindow::draw")
        return;
    }

    i = 0;
    for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
         it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
    {
        const EquipmentBox *const box = *it;
        if (!box)
            continue;
        const Item *const item = mEquipment->getEquipment(i);
        if (item)
        {
            // Draw Item.
            Image *const image = item->getImage();
            if (image)
            {
                image->setAlpha(1.0f);  // Ensure the image is drawn
                                        // with maximum opacity
                g->drawImage(image, box->x + mItemPadding,
                    box->y + mItemPadding);
                if (i == EQUIP_PROJECTILE_SLOT)
                {
                    g->setColorAll(mLabelsColor, mLabelsColor2);
                    const std::string str = toString(item->getQuantity());
                    font->drawString(g, str,
                        box->x + (mBoxSize - font->getWidth(str)) / 2,
                        box->y - fontHeight);
                }
            }
        }
        else if (box->image)
        {
            g->drawImage(box->image, box->x + mItemPadding,
                box->y + mItemPadding);
        }
    }
    BLOCK_END("EquipmentWindow::draw")
}

void EquipmentWindow::action(const gcn::ActionEvent &event)
{
    if (!mEquipment)
        return;

    if (event.getId() == "unequip" && mSelected > -1)
    {
        const Item *const item = mEquipment->getEquipment(mSelected);
        Net::getInventoryHandler()->unequipItem(item);
        setSelected(-1);
    }
}

Item *EquipmentWindow::getItem(const int x, const int y) const
{
    if (!mEquipment)
        return nullptr;

    int i = 0;

    for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
         it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
    {
        const EquipmentBox *const box = *it;
        if (!box)
            continue;
        const gcn::Rectangle tRect(box->x, box->y, mBoxSize, mBoxSize);

        if (tRect.isPointInRect(x, y))
            return mEquipment->getEquipment(i);
    }
    return nullptr;
}

void EquipmentWindow::mousePressed(gcn::MouseEvent& mouseEvent)
{
    if (!mEquipment)
    {
        Window::mousePressed(mouseEvent);
        return;
    }

    const int x = mouseEvent.getX();
    const int y = mouseEvent.getY();

    if (mouseEvent.getButton() == gcn::MouseEvent::LEFT)
    {
        if (mForing)
        {
            Window::mousePressed(mouseEvent);
            return;
        }
        // Checks if any of the presses were in the equip boxes.
        int i = 0;

        bool inBox(false);

        for (std::vector<EquipmentBox*>::const_iterator it = mBoxes.begin(),
             it_end = mBoxes.end(); it != it_end; ++ it, ++ i)
        {
            const EquipmentBox *const box = *it;
            if (!box)
                continue;
            const Item *const item = mEquipment->getEquipment(i);
            const gcn::Rectangle tRect(box->x, box->y, mBoxSize, mBoxSize);

            if (tRect.isPointInRect(x, y))
            {
                inBox = true;
                if (item)
                {
                    setSelected(i);
                    dragDrop.dragItem(item, DRAGDROP_SOURCE_EQUIPMENT);
                    return;
                }
            }
            if (inBox)
                return;
        }
    }
    else if (mouseEvent.getButton() == gcn::MouseEvent::RIGHT)
    {
        if (Item *const item = getItem(x, y))
        {
            if (mItemPopup)
                mItemPopup->setVisible(false);

            /* Convert relative to the window coordinates to absolute screen
             * coordinates.
             */
            const int mx = x + getX();
            const int my = y + getY();
            if (viewport)
            {
                if (mForing)
                    viewport->showUndressPopup(mx, my, mBeing, item);
                else
                    viewport->showPopup(this, mx, my, item, true);
            }
        }
    }
    Window::mousePressed(mouseEvent);
}

void EquipmentWindow::mouseReleased(gcn::MouseEvent &mouseEvent)
{
    Window::mouseReleased(mouseEvent);
    const DragDropSource src = dragDrop.getSource();
    if (dragDrop.isEmpty() || (src != DRAGDROP_SOURCE_INVENTORY
        && src != DRAGDROP_SOURCE_EQUIPMENT))
    {
        return;
    }
    Inventory *const inventory = player_node
        ? PlayerInfo::getInventory() : nullptr;
    if (!inventory)
        return;

    Item *const item = inventory->findItem(dragDrop.getItem(),
        dragDrop.getItemColor());
    if (!item)
        return;

    if (dragDrop.getSource() == DRAGDROP_SOURCE_INVENTORY)
    {
        if (item->isEquipment())
        {
            if (!item->isEquipped())
                Net::getInventoryHandler()->equipItem(item);
        }
    }
    else if (dragDrop.getSource() == DRAGDROP_SOURCE_EQUIPMENT)
    {
        if (item->isEquipment())
        {
            const int x = mouseEvent.getX();
            const int y = mouseEvent.getY();
            int i = 0;
            for (std::vector<EquipmentBox*>::const_iterator
                 it = mBoxes.begin(), it_end = mBoxes.end();
                 it != it_end; ++ it, ++ i)
            {
                const EquipmentBox *const box = *it;
                if (!box)
                    continue;
                const gcn::Rectangle tRect(box->x, box->y, mBoxSize, mBoxSize);

                if (tRect.isPointInRect(x, y))
                    return;
            }

            if (item->isEquipped())
                Net::getInventoryHandler()->unequipItem(item);
        }
    }
    dragDrop.clear();
    dragDrop.deselect();
}

// Show ItemTooltip
void EquipmentWindow::mouseMoved(gcn::MouseEvent &event)
{
    Window::mouseMoved(event);

    if (!mItemPopup)
        return;

    const int x = event.getX();
    const int y = event.getY();

    const Item *const item = getItem(x, y);

    if (item)
    {
        int mouseX, mouseY;
        SDL_GetMouseState(&mouseX, &mouseY);

        mItemPopup->setItem(item);
        mItemPopup->position(x + getX(), y + getY());
    }
    else
    {
        mItemPopup->setVisible(false);
    }
}

// Hide ItemTooltip
void EquipmentWindow::mouseExited(gcn::MouseEvent &event A_UNUSED)
{
    if (mItemPopup)
        mItemPopup->setVisible(false);
}

void EquipmentWindow::setSelected(const int index)
{
    mSelected = index;
    mRedraw = true;
    if (mUnequip)
        mUnequip->setEnabled(mSelected != -1);
    if (mItemPopup)
        mItemPopup->setVisible(false);
}

void EquipmentWindow::setBeing(Being *const being)
{
    mPlayerBox->setPlayer(being);
    mBeing = being;
    if (mEquipment)
        delete mEquipment->getBackend();
    delete mEquipment;
    if (!being)
    {
        mEquipment = nullptr;
        return;
    }
    mEquipment = being->getEquipment();
}

void EquipmentWindow::updateBeing(Being *const being)
{
    if (being == mBeing)
        setBeing(being);
}

void EquipmentWindow::resetBeing(const Being *const being)
{
    if (being == mBeing)
        setBeing(nullptr);
}

void EquipmentWindow::fillBoxes()
{
    XML::Document *const doc = new XML::Document(
        paths.getStringValue("equipmentWindowFile"));
    const XmlNodePtr root = doc->rootNode();
    if (!root)
    {
        delete doc;
        fillDefault();
        return;
    }

    if (mImageSet)
        mImageSet->decRef();

    mImageSet = Theme::getImageSetFromTheme(XML::getProperty(
        root, "image", "equipmentbox.png"), 32, 32);

    for_each_xml_child_node(node, root)
    {
        if (xmlNameEqual(node, "playerbox"))
            loadPlayerBox(node);
        else if (xmlNameEqual(node, "slot"))
            loadSlot(node, mImageSet);
    }
    delete doc;
}

void EquipmentWindow::loadPlayerBox(const XmlNodePtr playerBoxNode)
{
    mPlayerBox->setDimension(gcn::Rectangle(
        XML::getProperty(playerBoxNode, "x", 50),
        XML::getProperty(playerBoxNode, "y", 80),
        XML::getProperty(playerBoxNode, "width", 74),
        XML::getProperty(playerBoxNode, "height", 168)));
}

void EquipmentWindow::loadSlot(const XmlNodePtr slotNode,
                               const ImageSet *const imageset)
{
    const int slot = parseSlotName(XML::getProperty(slotNode, "name", ""));
    if (slot < 0)
        return;

    const int x = XML::getProperty(slotNode, "x", 0) + getPadding();
    const int y = XML::getProperty(slotNode, "y", 0) + getTitleBarHeight();
    const int imageIndex = XML::getProperty(slotNode, "image", -1);
    Image *image = nullptr;

    if (imageset && imageIndex >= 0 && imageIndex
        < static_cast<signed>(imageset->size()))
    {
        image = imageset->get(imageIndex);
    }

    if (mBoxes[slot])
    {
        EquipmentBox *const box = mBoxes[slot];
        box->x = x;
        box->y = y;
        box->image = image;
    }
    else
    {
        mBoxes[slot] = new EquipmentBox(x, y, image);
    }
    if (x < mMinX)
        mMinX = x;
    if (y < mMinY)
        mMinY = y;
    if (x + mBoxSize > mMaxX)
        mMaxX = x + mBoxSize;
    if (y + mBoxSize > mMaxY)
        mMaxY = y + mBoxSize;
}

int EquipmentWindow::parseSlotName(const std::string &name) const
{
    int id = -1;
    if (name == "shoes" || name == "boot" || name == "boots")
    {
        id = 4;
    }
    else if (name == "bottomclothes" || name == "bottom" || name == "pants")
    {
        id = 3;
    }
    else if (name == "topclothes" || name == "top"
             || name == "torso" || name == "body")
    {
        id = 0;
    }
    else if (name == "misc1" || name == "cape")
    {
        id = 5;
    }
    else if (name == "misc2" || name == "scarf" || name == "scarfs")
    {
        id = 7;
    }
    else if (name == "hat" || name == "hats")
    {
        id = 2;
    }
    else if (name == "wings")
    {
        id = 6;
    }
    else if (name == "glove" || name == "gloves")
    {
        id = 1;
    }
    else if (name == "weapon" || name == "weapons")
    {
        id = 8;
    }
    else if (name == "shield" || name == "shields")
    {
        id = 9;
    }
    else if (name == "amulet" || name == "amulets")
    {
        id = 11;
    }
    else if (name == "ring" || name == "rings")
    {
        id = 12;
    }
    else if (name == "arrow" || name == "arrows" || name == "ammo")
    {
        id = 10;
    }

    return id;
}

void EquipmentWindow::fillDefault()
{
    if (mImageSet)
        mImageSet->decRef();

    mImageSet = Theme::getImageSetFromTheme(
        "equipmentbox.png", 32, 32);

    addBox(0, 90, 40, 0);     // torso
    addBox(1, 8, 78, 1);      // gloves
    addBox(2, 70, 0, 2);      // hat
    addBox(3, 50, 253, 3);    // pants
    addBox(4, 90, 253, 4);    // boots
    addBox(5, 8, 213, 5);     // FREE
    addBox(6, 129, 213, 6);   // wings
    addBox(7, 50, 40, 5);     // scarf
    addBox(8, 8, 168, 7);     // weapon
    addBox(9, 129, 168, 8);   // shield
    addBox(10, 129, 78, 9);   // ammo
    addBox(11, 8, 123, 5);    // amulet
    addBox(12, 129, 123, 5);  // ring
}

void EquipmentWindow::addBox(const int idx, int x, int y, const int imageIndex)
{
    Image *image = nullptr;

    if (mImageSet && imageIndex >= 0 && imageIndex
        < static_cast<signed>(mImageSet->size()))
    {
        image = mImageSet->get(imageIndex);
    }

    x += getPadding();
    y += getTitleBarHeight();
    mBoxes[idx] = new EquipmentBox(x, y, image);

    if (x < mMinX)
        mMinX = x;
    if (y < mMinY)
        mMinY = y;
    if (x + mBoxSize > mMaxX)
        mMaxX = x + mBoxSize;
    if (y + mBoxSize > mMaxY)
        mMaxY = y + mBoxSize;
}

void EquipmentWindow::recalcSize()
{
    mMaxX += mMinX;
    mMaxY += mMinY + mUnequip->getHeight() + mButtonPadding;
    setDefaultSize(mMaxX, mMaxY, ImageRect::CENTER);
}