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/>.
 *
 */

#ifndef SKY_TEXT_H
#define SKY_TEXT_H


#include "common/scummsys.h"
#include "graphics/font.h"
#include "sky/sky.h"

namespace Sky {

struct Compact;
class Disk;
class SkyCompact;

struct HuffTree {
    unsigned char lChild;
    unsigned char rChild;
    unsigned char value;
};

#define NUM_PATCH_MSG 9

struct PatchMessage {
    uint32 textNr;
    char text[100];
};

class Text {
public:
    Text(SkyEngine *vm, Disk *skyDisk, SkyCompact *skyCompact);
    ~Text();
    struct DisplayedText displayText(uint32 textNum, uint8 *dest, Graphics::TextAlign align, uint16 pixelWidth, uint8 color);
    struct DisplayedText displayText(char *textPtr, uint32 bufLen, uint8 *dest, Graphics::TextAlign align, uint16 pixelWidth, uint8 color);
    struct DisplayedText lowTextManager(uint32 textNum, uint16 width, uint16 logicNum, uint8 color, Graphics::TextAlign align);
    void fnSetFont(uint32 fontNr);
    void fnTextModule(uint32 textInfoId, uint32 textNo);
    void fnPointerText(uint32 pointedId, uint16 mouseX, uint16 mouseY);
    void logicCursor(Compact *textCompact, uint16 mouseX, uint16 mouseY);
    void changeTextSpriteColor(uint8 *sprData, uint8 newCol);
    uint32 giveCurrentCharSet();

    uint32 _numLetters; //no of chars in message

private:
    void initHuffTree();
    void getText(uint32 textNr);
    char getTextChar(uint8 **data, uint32 *bitPos);
    bool getTextBit(uint8 **data, uint32 *bitPos);
    void makeGameCharacter(uint8 textChar, uint8 *charSetPtr, uint8 *&data, uint8 color, uint16 bufPitch);
    void makeChineseGameCharacter(uint16 textChar, uint8 *charSetPtr, uint8 *&dest, uint8 color, uint16 bufPitch);

    bool patchMessage(uint32 textNum);

    Disk *_skyDisk;
    SkyCompact *_skyCompact;
    SkyEngine *_vm;

    const HuffTree *_huffTree;

    struct charSet {
        uint8 *addr;
        uint32 charHeight;
        uint32 charSpacing;
    } _mainCharacterSet, _linkCharacterSet, _controlCharacterSet;

    uint32  _curCharSet;
    uint8   *_characterSet;
    uint8   _charHeight;

    char _textBuffer[1024];

    uint32  _dtCharSpacing; //character separation adjustment
    uint32  _mouseOfsX, _mouseOfsY;
    static const PatchMessage _patchedMessages[NUM_PATCH_MSG];
    static const uint16 _patchLangIdx[8];
    static const uint16 _patchLangNum[8];

    static const HuffTree _huffTree_00109[]; // trees moved to hufftext.cpp
    static const HuffTree _huffTree_00267[];
    static const HuffTree _huffTree_00288[];
    static const HuffTree _huffTree_00303[];
    static const HuffTree _huffTree_00331[];
    static const HuffTree _huffTree_00348[];
    static const HuffTree _huffTree_00365[];
    static const HuffTree _huffTree_00368[];
    static const HuffTree _huffTree_00372[];
};

} // End of namespace Sky

#endif