GameMessageHandler.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/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of Penumbra Overture.
 */

#ifndef GAME_GAME_MESSAGE_HANDLER_H
#define GAME_GAME_MESSAGE_HANDLER_H

#include "hpl1/engine/engine.h"

#include "hpl1/penumbra-overture/GameTypes.h"

using namespace hpl;

class cInit;

class cGameMessageHandler;
class cGameMessage {
public:
    cGameMessage(const tWString &asText, cGameMessageHandler *apMessHandler);

    void Update(float afTimeStep);
    void Draw(FontData *apFont);

    bool mbActive;

    tWString msText;
    float mfFade;
    float mfFadeAdd;

    cGameMessageHandler *mpMessHandler;
};

typedef Common::List<cGameMessage *> tGameMessageList;
typedef tGameMessageList::iterator tGameMessageListIt;

//---------------------------------------

class cGameMessageHandler : public iUpdateable {
    friend class cGameMessage;

public:
    cGameMessageHandler(cInit *apInit);
    ~cGameMessageHandler();

    void Add(const tWString &asText);
    void ShowNext();

    void Update(float afTimeStep);
    void OnDraw();
    void Reset();

    void OnWorldLoad();
    void OnWorldExit();

    bool HasMessage() { return !mlstMessages.empty(); }

    void SetOnMessagesOverCallback(const tString &asFunction);

    void SetFocusIsedUsed(bool abX) { mbFocusIsedUsed = abX; }

    void SetBlackText(bool abX) { mbBlackText = abX; }

private:
    cInit *mpInit;

    FontData *mpFont;
    ePlayerState mLastState;
    tString msOverCallback;

    bool mbFocusIsedUsed;

    bool mbBlackText;

    tGameMessageList mlstMessages;
};

#endif // GAME_GAME_MESSAGE_HANDLER_H