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138 lines
3.3 KiB
C++
138 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef TWINE_FLAMOVIES_H
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#define TWINE_FLAMOVIES_H
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#include "common/scummsys.h"
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#include "common/file.h"
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namespace TwinE {
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/** FLA movie directory */
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#define FLA_DIR "fla/"
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/** Original FLA screen width */
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#define FLASCREEN_WIDTH 320
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/** Original FLA screen height */
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#define FLASCREEN_HEIGHT 200
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/** FLA movie header structure */
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struct FLAHeaderStruct {
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/** FLA version */
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int8 version[6] {0};
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/** Number of frames */
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int32 numOfFrames = 0;
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/** Frames per second */
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int8 speed = 0;
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/** Unknown var1 */
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int8 var1 = 0;
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/** Frame width */
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int16 xsize = 0;
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/** Frame height */
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int16 ysize = 0;
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};
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/** FLA movie frame structure */
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struct FLAFrameDataStruct {
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/** Current frame size */
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int8 videoSize = 0;
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/** Dummy variable */
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int8 dummy = 0;
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/** Unknown frameVar0 */
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int32 frameVar0 = 0;
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};
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/** FLA movie sample structure */
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struct FLASampleStruct {
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/** Number os samples */
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int16 sampleNum = 0;
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/** Sample frequency */
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int16 freq = 0;
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/** Numbers of time to repeat */
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int16 repeat = 0;
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/** Dummy variable */
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int8 dummy = 0;
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/** Unknown x */
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uint8 x = 0;
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/** Unknown y */
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uint8 y = 0;
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};
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/** FLA Frame Opcode types */
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enum FlaFrameOpcode {
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kLoadPalette = 0,
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kFade = 1,
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kPlaySample = 2,
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kStopSample = 4,
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kDeltaFrame = 5,
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kKeyFrame = 7
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};
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class TwinEEngine;
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class FlaMovies {
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private:
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TwinEEngine *_engine;
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Common::File file;
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/** Auxiliar FLA fade out variable */
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int32 _fadeOut = 0;
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/** Auxiliar FLA fade out variable to count frames between the fade */
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int32 fadeOutFrames = 0;
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/** FLA movie sample auxiliar table */
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int32 flaSampleTable[100] {0};
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/** Number of samples in FLA movie */
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int32 samplesInFla = 0;
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/** FLA movie header data */
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FLAHeaderStruct flaHeaderData;
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/** FLA movie header data */
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FLAFrameDataStruct frameData;
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void drawKeyFrame(uint8 *ptr, int32 width, int32 height);
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void drawDeltaFrame(uint8 *ptr, int32 width);
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/**
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* Scale FLA movie 2 times
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* According with the settins we can put the original aspect radio stretch
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* to fullscreen or preserve it and use top and button black bars
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*/
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void scaleFla2x();
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void processFrame();
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public:
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FlaMovies(TwinEEngine *engine);
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/** FLA movie file buffer */
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uint8 flaBuffer[FLASCREEN_WIDTH * FLASCREEN_HEIGHT] {0};
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/**
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* Play FLA movies
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* @param flaName FLA movie name
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*/
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void playFlaMovie(const char *flaName);
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};
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} // namespace TwinE
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#endif
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