qd_inventory.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 3 of the License, or
 * (at your option) 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/>.
 *
 */

#ifndef QDENGINE_QDCORE_QD_INVENTORY_H
#define QDENGINE_QDCORE_QD_INVENTORY_H

#include "qdengine/system/input/mouse_input.h"
#include "qdengine/qdcore/qd_named_object.h"
#include "qdengine/qdcore/qd_inventory_cell.h"

namespace  Common {
class WriteStream;
}

namespace QDEngine {

class qdInventory : public qdNamedObject {
public:
    qdInventory();
    ~qdInventory();

    enum {
        INV_TAKE_TO_MOUSE       = 0x01,
        INV_DONT_OPEN_AFTER_TAKE    = 0x02,
        INV_PUT_OBJECT_AFTER_CLICK  = 0x04,
        INV_ENABLE_RIGHT_CLICK      = 0x08,
        INV_VISIBLE_WHEN_INACTIVE   = 0x10
    };

    enum {
        INV_DEFAULT_SHADOW_COLOR = 0,
        INV_DEFAULT_SHADOW_ALPHA = 128
    };

    int named_object_type() const {
        return QD_NAMED_OBJECT_INVENTORY;
    }

    void add_cell_set(const qdInventoryCellSet &set) {
        _cell_sets.push_back(set);
    }
    void remove_cell_set(int idx);

    const qdInventoryCellSet &get_cell_set(int id = 0) const {
        return _cell_sets[id];
    }

    void set_cells_pos(int set_id, const Vect2s &pos) {
        if (set_id >= 0 && set_id < (int)_cell_sets.size())
            _cell_sets[set_id].set_screen_pos(pos);
    }
    void set_cells_type(int set_id, const qdInventoryCellType &tp) {
        if (set_id >= 0 && set_id < (int)_cell_sets.size())
            _cell_sets[set_id].set_cell_type(tp);
    }
    void set_cells_size(int set_id, const Vect2s &sz) {
        if (set_id >= 0 && set_id < (int)_cell_sets.size())
            _cell_sets[set_id].set_size(sz);
    }

    int cell_index(const qdGameObjectAnimated *obj) const;
    Vect2s cell_position(int cell_idx) const;

    void redraw(int offs_x = 0, int offs_y = 0, bool inactive_mode = false) const;
    void toggle_redraw(bool state) {
        _need_redraw = state;
    }
    void pre_redraw() const;
    void post_redraw();

    bool put_object(qdGameObjectAnimated *p);
    bool put_object(qdGameObjectAnimated *p, const Vect2s &pos);
    bool remove_object(qdGameObjectAnimated *p);
    qdGameObjectAnimated *get_object(const Vect2s &pos) const;
    bool is_object_in_list(const qdGameObjectAnimated *p) const;

    uint32 shadow_color() const {
        return _shadow_color;
    }
    void set_shadow_color(uint32 color) {
        _shadow_color = color;
    }

    int shadow_alpha() const {
        return _shadow_alpha;
    }
    void set_shadow_alpha(int alpha) {
        _shadow_alpha = alpha;
    }

    bool load_script(const xml::tag *p);
    bool save_script(Common::WriteStream &fh, int indent = 0) const;

    bool load_resources();
    bool free_resources();

    bool load_data(Common::SeekableReadStream &fh, int save_version);
    bool save_data(Common::WriteStream &fh) const;

    bool init(const qdInventoryCellTypeVector &tp);

    bool mouse_handler(int x, int y, mouseDispatcher::mouseEvent ev);

    void objects_quant(float dt);

    Vect2s additional_cells() const {
        return _additional_cells;
    }
    void set_additional_cells(Vect2s val) {
        _additional_cells = val;
    }

    void scroll_left();
    void scroll_right();
    void scroll_up();
    void scroll_down();

    void debug_log() const;

private:

    qdInventoryCellSetVector _cell_sets;

    bool _need_redraw;

    uint32 _shadow_color;
    int _shadow_alpha;

    Vect2s _additional_cells;
};

} // namespace QDEngine

#endif // QDENGINE_QDCORE_QD_INVENTORY_H