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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 Labyrinth of Time code with assistance of
*
* Copyright (c) 1993 Terra Nova Development
* Copyright (c) 2004 The Wyrmkeep Entertainment Co.
*
*/
#ifndef LAB_ANIM_H
#define LAB_ANIM_H
namespace Lab {
class LabEngine;
#define CONTINUOUS 0xFFFF
struct DIFFHeader {
uint16 _width;
uint16 _height;
char _fps;
uint32 _flags;
};
class Anim {
private:
LabEngine *_vm;
uint32 _lastBlockHeader;
uint16 _numChunks;
uint32 _delayMicros;
bool _continuous;
bool _isPlaying;
bool _isAnim;
bool _isPal;
bool _donePal;
uint16 _frameNum;
bool _playOnce;
Common::File *_diffFile;
uint32 _diffFileStart;
uint32 _size;
bool _stopPlayingEnd;
uint16 _sampleSpeed;
uint32 _diffWidth;
uint32 _diffHeight;
byte *_outputBuffer;
DIFFHeader _headerdata;
public:
Anim(LabEngine *vm);
~Anim();
char _diffPalette[256 * 3];
bool _waitForEffect; // Wait for each sound effect to finish before continuing.
bool _doBlack; // Black the screen before new picture
bool _noPalChange; // Don't change the palette.
byte *_scrollScreenBuffer;
/**
* Reads in a DIFF file.
*/
void setOutputBuffer(byte *memoryBuffer); // nullptr for output to screen
void readDiff(Common::File *diffFile, bool playOnce, bool onlyDiffData);
void diffNextFrame(bool onlyDiffData = false);
/**
* Stops an animation from running.
*/
void stopDiff();
/**
* Stops an animation from running.
*/
void stopDiffEnd();
uint16 getDIFFHeight();
bool isPlaying() const { return _isPlaying; }
};
} // End of namespace Lab
#endif // LAB_ANIM_H
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