text.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/>.
 *
 */

/*
 * Based on the Reverse Engineering work of Christophe Fontanel,
 * maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
 */

#ifndef DM_TEXT_H
#define DM_TEXT_H

#include "dm/dm.h"
#include "dm/gfx.h"

namespace DM {

struct TextScroller {
    // Placeholder, empty for now
}; // @ Text_Scroller

#define kDMFontLetterWidth 5
#define kDMFontLetterHeight 6

class TextMan {
    DMEngine *_vm;
    int16 _messageAreaCursorColumn; // @ G0359_i_MessageAreaCursorColumn
    int16 _messageAreaCursorRow; // @ G0358_i_MessageAreaCursorRow
    int32 _messageAreaRowExpirationTime[4]; // @ G0360_al_MessageAreaRowExpirationTime
    byte *_bitmapMessageAreaNewRow; // @ G0356_puc_Bitmap_MessageAreaNewRow

    // for scrolling 'em messages
    bool _isScrolling;
    int64 _startedScrollingAt;
    byte *_messageAreaCopy;
public:
    TextScroller _textScroller;

    explicit TextMan(DMEngine *vm);
    ~TextMan();

    void printTextToBitmap(byte *destBitmap, uint16 destByteWidth, int16 destX, int16 destY,
                               Color textColor, Color bgColor, const char *text, uint16 destHeight); // @ F0040_TEXT_Print
    void printToLogicalScreen(uint16 destX, uint16 destY, Color textColor, Color bgColor, const char *text); // @ F0053_TEXT_PrintToLogicalScreen
    void printToViewport(int16 posX, int16 posY, Color textColor, const char *text, Color bgColor = kDMColorDarkestGray); // @ F0052_TEXT_PrintToViewport
    void printWithTrailingSpaces(byte *destBitmap, int16 destByteWidth, int16 destX, int16 destY, Color textColor, Color bgColor,
                                     const char *text, int16 strLenght, int16 destHeight); // @ F0041_TEXT_PrintWithTrailingSpaces
    void printLineFeed(); // @ F0051_TEXT_MESSAGEAREA_PrintLineFeed
    void printMessage(Color color, const char *string, bool printWithScroll = true); // @ F0047_TEXT_MESSAGEAREA_PrintMessage
    void createNewRow(); // @ F0045_TEXT_MESSAGEAREA_CreateNewRow
    void printString(Color color, const char* string);// @ F0046_TEXT_MESSAGEAREA_PrintString
    void initialize(); // @ F0054_TEXT_Initialize
    void moveCursor(int16 column, int16 row); // @ F0042_TEXT_MESSAGEAREA_MoveCursor
    void clearExpiredRows(); // @ F0044_TEXT_MESSAGEAREA_ClearExpiredRows
    void printEndGameString(int16 x, int16 y, Color textColor, const char *text); // @ F0443_STARTEND_EndgamePrintString
    bool isTextScrolling(TextScroller *scroller, bool waitEndOfScrolling) { return false; } // @ F0561_SCROLLER_IsTextScrolling
    void setScrollerCommand(TextScroller *scroller, int16 command) { } // @ F0560_SCROLLER_SetCommand
    void clearAllRows(); // @ F0043_TEXT_MESSAGEAREA_ClearAllRows

    void updateMessageArea();
};

}
#endif