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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This code is based on the original source code of Lord Avalot d'Argent version 1.3.
* Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman.
*/
/* CELER The unit for updating the screen pics. */
#ifndef AVALANCHE_CELER2_H
#define AVALANCHE_CELER2_H
#include "common/scummsys.h"
#include "common/file.h"
#include "common/str.h"
#include "graphics/surface.h"
namespace Avalanche {
class AvalancheEngine;
class Celer {
public:
Celer(AvalancheEngine *vm);
~Celer();
void updateBackgroundSprites();
void loadBackgroundSprites(byte number);
void forgetBackgroundSprites();
// Setting the destination to negative coordinates means the picture should be drawn to it's original position.
// If you give it positive values, the picture will be plotted to the desired coordinates on the screen.
// By that we get rid of show_one_at(), which would be almost identical and cause a lot of code duplication.
void drawBackgroundSprite(int16 destX, int16 destY, byte which);
private:
enum PictureType {kEga, kBgi, kNaturalImage};
struct SpriteType {
PictureType _type;
int16 _x, _y;
int16 _xl, _yl;
int32 _size;
::Graphics::Surface _picture;
};
AvalancheEngine *_vm;
int32 _offsets[40];
byte _spriteNum;
SpriteType _sprites[40];
ByteField _r;
Common::String _filename;
static const int16 kOnDisk; // Value of memos[fv].x when it's not in memory.
void drawSprite(int16 x, int16 y, SpriteType &sprite);
};
} // End of namespace Avalanche.
#endif // AVALANCHE_CELER2_H
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