TextManager.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_MINIGAMES_ADV_TEXT_MANAGER_H
#define QDENGINE_MINIGAMES_ADV_TEXT_MANAGER_H

#include "qdengine/minigames/adv/ObjectContainer.h"

namespace QDEngine {

enum TextAlign {
    ALIGN_LEFT,
    ALIGN_RIGHT,
    ALIGN_CENTER
};

class TextManager {
public:
    TextManager();
    ~TextManager();

    int createStaticText(const mgVect3f& screen_pos, int fontID, TextAlign align);
    void updateStaticText(int textID, const char *txt);

    void showText(const char *txt, const mgVect2f& pos, int fontID, int escapeID);
    void showNumber(int num, const mgVect2f& pos, int fontID, int escapeID);

    void quant(float dt);
    void updateScore(int score);
    void updateTime(int seconds);

private:
    struct Font {
        mgVect2f size;
        ObjectContainer pool;
    };
    typedef Std::vector<Font> Fonts;

    struct Escape {
        Escape();
        int depth;
        float aliveTime;
        mgVect2f vel_min;
        mgVect2f vel_max;
        mgVect2f accel_min;
        mgVect2f accel_max;
        char format[16];
    };
    typedef Std::vector<Escape> Escapes;

    struct StaticTextPreset {
        StaticTextPreset();
        mgVect3f pos;
        int font;
        TextAlign align;
        char format[16];
        int textID;
    };
    bool getStaticPreset(StaticTextPreset& preset, const char *name) const;

    struct StaticMessage {
        StaticMessage(Font *font = 0, TextAlign _align = ALIGN_CENTER);
        void release();

        bool empty() const {
            return _objects.empty();
        }

        void setText(const char *str);

        int _depth;
        mgVect2f _pos;
        TextAlign _align;

    protected:
        void update();
        bool validSymbol(unsigned char ch) const {
            return ch > ' ' && ch != '_';
        }

    private:
        Font *_font;

        QDObjects _objects;
    };
    typedef Std::vector<StaticMessage> StaticMessages;

    struct Message : public StaticMessage {
        Message(Font *font = 0);
        void release();

        void quant(float dt);

        float _time;
        mgVect2f _vel;
        mgVect2f _accel;

    };
    typedef Std::vector<Message> Messages;

    Fonts _fonts;
    Escapes _escapes;
    StaticTextPreset _show_scores;
    StaticTextPreset _show_time;
    StaticMessages _staticMsgs;
    Messages _flowMsgs;

    int _targetScore;
    int _currentScore;
    float _scoreUpdateTime;
    float _scoreUpdateTimer;
};

} // namespace QDEngine

#endif // QDENGINE_MINIGAMES_ADV_TEXT_MANAGER_H