video.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 AWE_VIDEO_H
#define AWE_VIDEO_H

#include "awe/intern.h"

namespace Awe {

struct StrEntry {
    uint16 id;
    const char *str;
};

struct Gfx;
struct Resource;
struct Scaler;
struct SystemStub;

struct Video {
    enum {
        BITMAP_W = 320,
        BITMAP_H = 200
    };

    static const StrEntry STRINGS_TABLE_AMIGA_CODES[];
    static const StrEntry STRINGS_TABLE_FR[];
    static const StrEntry STRINGS_TABLE_ENG[];
    static const StrEntry STRINGS_TABLE_ITA[];
    static const StrEntry STRINGS_TABLE_DEMO[];
    static const uint16 STRINGS_ID_15TH[];
    static const char *STRINGS_TABLE_15TH[];
    static const char *_str0x194AtariDemo;
    static const StrEntry STRINGS_TABLE_3DO[];
    static const char *NOTE_TEXT_3DO;
    static const char *END_TEXT_3DO;
    static const uint8 *VERTICES_3DO[201];
    static const uint8 PALETTE_EGA[];

    static bool _useEGA;

    Resource *_res;
    Gfx *_graphics = nullptr;
    bool _hasHeadSprites = false;
    bool _displayHead = true;

    uint8 _nextPal = 0, _currentPal = 0;
    uint8 _buffers[3] = { 0 };
    Ptr _pData;
    uint8 *_dataBuf = nullptr;
    const StrEntry *_stringsTable = nullptr;
    uint8 _tempBitmap[BITMAP_W * BITMAP_H] = { 0 };
    uint16 _bitmap555[BITMAP_W * BITMAP_H] = { 0 };

    Video(Resource *res);
    ~Video() {}
    void init();

    void setDefaultFont();
    void setFont(const uint8 *font);
    void setHeads(const uint8 *src);
    void setDataBuffer(uint8 *dataBuf, uint16 offset);
    void drawShape(uint8 color, uint16 zoom, const Point *pt);
    void drawShapePart3DO(int color, int part, const Point *pt);
    void drawShape3DO(int color, int zoom, const Point *pt);
    void fillPolygon(uint16 color, uint16 zoom, const Point *pt);
    void drawShapeParts(uint16 zoom, const Point *pt);
    void drawString(uint8 color, uint16 x, uint16 y, uint16 strId);
    uint8 getPagePtr(uint8 page);
    void setWorkPagePtr(uint8 page);
    void fillPage(uint8 page, uint8 color);
    void copyPage(uint8 src, uint8 dst, int16 vscroll);
    void scaleBitmap(const uint8 *src, int fmt);
    void copyBitmapPtr(const uint8 *src, uint32 size = 0);
    void changePal(uint8 pal);
    void updateDisplay(uint8 page, SystemStub *stub);
    void setPaletteColor(uint8 color, int r, int g, int b);
    void drawRect(uint8 page, uint8 color, int x1, int y1, int x2, int y2);
    void drawBitmap3DO(const char *name, SystemStub *stub);
};

} // namespace Awe

#endif