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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 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/>.
*
* Plays films within a scene, takes into account the actor in each 'column'.
*/
#ifndef TINSEL_BMV_H
#define TINSEL_BMV_H
#include "common/coroutines.h"
#include "common/file.h"
#include "audio/mixer.h"
#include "tinsel/object.h"
#include "tinsel/palette.h"
namespace Audio {
class QueuingAudioStream;
}
namespace Tinsel {
typedef enum
{
BMV_OP_DELTA = 0,
BMV_OP_RAW = 1,
BMV_OP_RUN = 2,
BMV_OP_COUNT
} BMV_OP;
class BMVPlayer {
bool bOldAudio;
/// Set when a movie is on
bool bMovieOn;
/// Set to kill one off
bool bAbort;
/// For escaping out of movies
int bmvEscape;
/// Movie file pointer
Common::File stream;
/// Movie file name
char szMovieFile[14];
/// Pointers to buffers
byte *bigBuffer;
/// Next data to use to extract a frame
int nextUseOffset;
/// Next data to use to extract sound data
int nextSoundOffset;
/// When above offset gets to what this is set at, rewind
int wrapUseOffset;
/// The offset of the most future packet
int mostFutureOffset;
/// The current frame
int currentFrame;
int currentSoundFrame;
/// Number of packets currently in RAM
int numAdvancePackets;
/// Next slot that will be read from disc
int nextReadSlot;
/// Set when the whole file has been read
bool bFileEnd;
/// Palette
COLORREF moviePal[256 * 8]; // TinselV1 & V2 need 256, TinselVersion == 3 needs 2048
int blobsInBuffer;
struct {
OBJECT *pText;
int dieFrame;
} texts[2];
COLORREF talkColor;
/// TinselV3 header fields
int slotSize;
int frames;
int prefetchSlots;
int numSlots;
int frameRate;
int audioMaxSize;
int audioBlobSize;
int width;
int height;
/// TinselV3
int frameTime;
int bpp;
int bigProblemCount;
bool bIsText;
int movieTick;
int startTick;
uint32 nextMovieTime;
uint16 Au_Prev1;
uint16 Au_Prev2;
byte *ScreenBeg;
byte *screenBuffer;
bool audioStarted;
Audio::QueuingAudioStream *_audioStream;
Audio::SoundHandle _audioHandle;
int nextMaintain;
public:
BMVPlayer();
void PlayBMV(CORO_PARAM, SCNHANDLE hFileStem, int myEscape);
void FinishBMV();
void CopyMovieToScreen();
void FettleBMV();
bool MoviePlaying();
int32 MovieAudioLag();
uint32 NextMovieTime();
void AbortMovie();
private:
void ReadHeader();
void InitBMV(byte *memoryBuffer);
void PrepAudio(const byte *sourceData, int blobCount, byte *destPtr);
void PrepBMV(const byte *sourceData, int length, short deltaFetchDisp);
void t3DoOperation(BMV_OP op, uint32 len, const byte **src, byte **dst, int32 deltaOffset);
void t3PrepBMV(const byte *src, uint32 len, int32 deltaOffset);
void MoviePalette(int paletteOffset);
void InitializeMovieSound();
void StartMovieSound();
void FinishMovieSound();
void MovieAudio(int audioOffset, int blobs);
void FettleMovieText();
void BmvDrawText(bool bDraw);
void MovieText(CORO_PARAM, int stringId, int x, int y, int fontId, COLORREF *pTalkColor, int duration);
int MovieCommand(char cmd, int commandOffset);
int FollowingPacket(int thisPacket, bool bReallyImportant);
void LoadSlots(int number);
void InitializeBMV();
bool MaintainBuffer();
bool DoBMVFrame();
bool DoSoundFrame();
};
} // End of namespace Tinsel
#endif
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