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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// *
// * 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/.

// displaytext.h

#pragma once


#include "common/event.h"
#include "common/misc.h"
#include "old/d3dengine.h"


class CInstanceManager;
class CD3DEngine;
class CInterface;
class CObject;
class CSound;


enum TextType
{
    TT_ERROR    = 1,
    TT_WARNING  = 2,
    TT_INFO     = 3,
    TT_MESSAGE  = 4,
};

const int MAXDTLINE = 4;


class CDisplayText
{
public:
    CDisplayText(CInstanceManager* iMan);
    ~CDisplayText();

    void        DeleteObject();

    bool        EventProcess(const Event &event);

    void        DisplayError(Error err, CObject* pObj, float time=10.0f);
    void        DisplayError(Error err, Math::Vector goal, float height=15.0f, float dist=60.0f, float time=10.0f);
    void        DisplayText(char *text, CObject* pObj, float time=10.0f, TextType type=TT_INFO);
    void        DisplayText(char *text, Math::Vector goal, float height=15.0f, float dist=60.0f, float time=10.0f, TextType type=TT_INFO);
    void        HideText(bool bHide);
    void        ClearText();
    bool        ClearLastText();
    void        SetDelay(float factor);
    void        SetEnable(bool bEnable);

    Math::Vector    RetVisitGoal(EventMsg event);
    float       RetVisitDist(EventMsg event);
    float       RetVisitHeight(EventMsg event);

    float       RetIdealDist(CObject* pObj);
    float       RetIdealHeight(CObject* pObj);

    void        ClearVisit();
    void        SetVisit(EventMsg event);
    bool        IsVisit(EventMsg event);

protected:
    CObject*    SearchToto();

protected:
    CInstanceManager* m_iMan;
    CD3DEngine*     m_engine;
    CInterface*     m_interface;
    CSound*         m_sound;

    bool            m_bExist[MAXDTLINE];
    float           m_time[MAXDTLINE];
    Math::Vector        m_visitGoal[MAXDTLINE];
    float           m_visitDist[MAXDTLINE];
    float           m_visitHeight[MAXDTLINE];

    bool            m_bHide;
    bool            m_bEnable;
    float           m_delayFactor;
};