Inventory.h

/*
 * Copyright 2010-2014 OpenXcom Developers.
 *
 * This file is part of OpenXcom.
 *
 * OpenXcom 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.
 *
 * OpenXcom 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 OpenXcom.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef OPENXCOM_INVENTORY_H
#define OPENXCOM_INVENTORY_H

#include "../Engine/InteractiveSurface.h"
#include <map>
#include <string>

namespace OpenXcom
{

class RuleInventory;
class Game;
class WarningMessage;
class BattleItem;
class BattleUnit;
class NumberText;

class Inventory : public InteractiveSurface
{
private:
    Game *_game;
    Surface *_grid, *_items, *_selection;
    WarningMessage *_warning;
    BattleUnit *_selUnit;
    BattleItem *_selItem;
    bool _tu, _base;
    int _groundOffset;
    std::map<int, std::map<int, int> > _stackLevel;
    NumberText *_stackNumber;

    void moveItem(BattleItem *item, RuleInventory *slot, int x, int y);
    RuleInventory *getSlotInPosition(int *x, int *y) const;
public:
    Inventory(Game *game, int width, int height, int x = 0, int y = 0, bool base = false);
    ~Inventory();
    void setPalette(SDL_Color *colors, int firstcolor = 0, int ncolors = 256);
    void setTuMode(bool tu);
    void setSelectedUnit(BattleUnit *unit);
    void draw();
    void drawGrid();
    void drawItems();
    BattleItem *getSelectedItem() const;
    void setSelectedItem(BattleItem *item);
    void think();
    void blit(Surface *surface);
    void mouseOver(Action *action, State *state);
    void mouseClick(Action *action, State *state);
    bool unload();
    void arrangeGround(bool alterOffset = true);
    bool fitItem(RuleInventory *newSlot, BattleItem *item, std::string &warning);
    bool canBeStacked(BattleItem *itemA, BattleItem *itemB);
    static bool overlapItems(BattleUnit *unit, BattleItem *item, RuleInventory *slot, int x = 0, int y = 0);
};

}

#endif