168 lines
4.5 KiB
C++
168 lines
4.5 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MEDIASTATION_MOVIE_H
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#define MEDIASTATION_MOVIE_H
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#include "common/array.h"
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#include "mediastation/actor.h"
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#include "mediastation/audio.h"
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#include "mediastation/datafile.h"
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#include "mediastation/bitmap.h"
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#include "mediastation/mediascript/scriptconstants.h"
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namespace MediaStation {
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enum MovieBlitType {
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kInvalidMovieBlit = 0,
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kUncompressedMovieBlit = 1,
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kUncompressedDeltaMovieBlit = 2,
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kCompressedDeltaMovieBlit = 3,
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};
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class MovieFrameHeader : public BitmapHeader {
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public:
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MovieFrameHeader(Chunk &chunk);
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uint _index = 0;
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uint _keyframeEndInMilliseconds = 0;
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};
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class MovieFrameImage : public Bitmap {
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public:
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MovieFrameImage(Chunk &chunk, MovieFrameHeader *header);
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virtual ~MovieFrameImage() override;
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uint32 index() { return _bitmapHeader->_index; }
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private:
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MovieFrameHeader *_bitmapHeader = nullptr;
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};
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enum MovieSectionType {
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kMovieRootSection = 0x06a8,
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kMovieImageDataSection = 0x06a9,
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kMovieFrameDataSection = 0x06aa,
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kMovieChunkMarkerSection = 0x06ab
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};
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struct MovieFrame {
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MovieFrame(Chunk &chunk);
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uint unk3 = 0;
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uint unk4 = 0;
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uint layerId = 0;
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uint startInMilliseconds = 0;
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uint endInMilliseconds = 0;
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Common::Point leftTop;
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Common::Point diffBetweenKeyframeAndFrame;
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MovieBlitType blitType = kInvalidMovieBlit;
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int16 zIndex = 0;
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uint keyframeIndex = 0;
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bool keepAfterEnd = false;
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uint index = 0;
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MovieFrameImage *image = nullptr;
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MovieFrameImage *keyframeImage = nullptr;
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};
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class StreamMovieActor;
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// This is called `RT_stmvFrames` in the original.
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class StreamMovieActorFrames : public ChannelClient {
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public:
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StreamMovieActorFrames(StreamMovieActor *parent) : ChannelClient(), _parent(parent) {}
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~StreamMovieActorFrames();
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virtual void readChunk(Chunk &chunk) override;
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Common::Array<MovieFrame *> _frames;
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Common::Array<MovieFrameImage *> _images;
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private:
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StreamMovieActor *_parent = nullptr;
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void readImageData(Chunk &chunk);
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void readFrameData(Chunk &chunk);
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};
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// This is called `RT_stmvSound` in the original.
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class StreamMovieActorSound : public ChannelClient {
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public:
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~StreamMovieActorSound();
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virtual void readChunk(Chunk &chunk) override;
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AudioSequence _audioSequence;
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};
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class StreamMovieActor : public SpatialEntity, public ChannelClient {
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friend class StreamMovieActorFrames;
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friend class StreamMovieActorSound;
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public:
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StreamMovieActor();
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virtual ~StreamMovieActor() override;
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virtual void readChunk(Chunk &chunk) override;
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virtual void readParameter(Chunk &chunk, ActorHeaderSectionType paramType) override;
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virtual ScriptValue callMethod(BuiltInMethod methodId, Common::Array<ScriptValue> &args) override;
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virtual void process() override;
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virtual void draw(DisplayContext &displayContext) override;
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virtual bool isVisible() const override { return _isVisible; }
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private:
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ImtStreamFeed *_streamFeed = nullptr;
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uint _fullTime = 0;
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uint _chunkCount = 0;
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double _frameRate = 0;
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uint _loadType = 0;
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bool _isPlaying = false;
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bool _hasStill = false;
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StreamMovieActorFrames *_streamFrames = nullptr;
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StreamMovieActorSound *_streamSound = nullptr;
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Common::Array<MovieFrame *> _framesNotYetShown;
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Common::SortedArray<MovieFrame *, const MovieFrame *> _framesOnScreen;
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// Script method implementations.
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void timePlay();
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void timeStop();
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void setVisibility(bool visibility);
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void updateFrameState();
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void invalidateRect(const Common::Rect &rect);
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void decompressIntoAuxImage(MovieFrame *frame);
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void parseMovieHeader(Chunk &chunk);
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void parseMovieChunkMarker(Chunk &chunk);
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Common::Rect getFrameBoundingBox(MovieFrame *frame);
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static int compareFramesByZIndex(const MovieFrame *a, const MovieFrame *b);
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};
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} // End of namespace MediaStation
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#endif
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