scummvm/engines/twine/movies.h
2021-12-26 18:48:43 +01:00

109 lines
2.8 KiB
C++

/* 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 TWINE_FLAMOVIES_H
#define TWINE_FLAMOVIES_H
#include "common/memstream.h"
#include "common/scummsys.h"
#include "common/file.h"
namespace TwinE {
/** Original FLA screen width */
#define FLASCREEN_WIDTH 320
/** Original FLA screen height */
#define FLASCREEN_HEIGHT 200
/** FLA movie header structure */
struct FLAHeaderStruct {
/** FLA version */
int8 version[5] {0};
/** Number of frames */
int32 numOfFrames = 0;
/** Frames per second */
int16 speed = 0;
/** Frame width */
int16 xsize = 0;
/** Frame height */
int16 ysize = 0;
};
/** FLA movie frame structure */
struct FLAFrameDataStruct {
int16 nbFrames = 0;
int32 offsetNextFrame = 0;
};
class TwinEEngine;
class Movies {
private:
TwinEEngine *_engine;
Common::File _file;
/** Auxiliar FLA fade out variable */
int32 _fadeOut = 0;
/** Auxiliar FLA fade out variable to count frames between the fade */
int32 _fadeOutFrames = 0;
bool _flaPaletteVar = false;
/** FLA movie file buffer */
uint8 _flaBuffer[FLASCREEN_WIDTH * FLASCREEN_HEIGHT] {0};
/** Number of samples in FLA movie */
int32 _samplesInFla = 0;
/** FLA movie header data */
FLAHeaderStruct _flaHeaderData;
/** FLA movie header data */
FLAFrameDataStruct _frameData;
void drawKeyFrame(Common::MemoryReadStream &stream, int32 width, int32 height);
void drawDeltaFrame(Common::MemoryReadStream &stream, int32 width);
/**
* Scale FLA movie 2 times
* According with the settins we can put the original aspect radio stretch
* to fullscreen or preserve it and use top and button black bars
*/
void scaleFla2x();
void processFrame();
void prepareGIF(int index);
void playGIFMovie(const char *flaName);
bool playSmkMovie(const char *name, int index);
public:
Movies(TwinEEngine *engine);
/**
* Play FLA movies
* @param name FLA movie name
* @return @c true if finished. @c false if aborted.
*/
bool playMovie(const char *name);
};
} // namespace TwinE
#endif