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https://github.com/libretro/scummvm.git
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122 lines
3.1 KiB
C++
122 lines
3.1 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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* 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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* 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 LASTEXPRESS_ANIMATION_H
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#define LASTEXPRESS_ANIMATION_H
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/*
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Animation format (.NIS)
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uint32 {4} - Number of chunks
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// for each chunk
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uint16 {2} - Type
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uint16 {2} - Tag
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uint32 {4} - Size of chunk
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byte {x} - Data (for "data" chunks: backgrounds, overlay & audio data)
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*/
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#include "lastexpress/drawable.h"
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#include "common/array.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace LastExpress {
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class AnimFrame;
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class AppendableSound;
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class Animation : public Drawable {
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public:
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enum FlagType {
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kFlagDefault = 16384,
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kFlagProcess = 49152
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};
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Animation();
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~Animation();
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bool load(Common::SeekableReadStream *stream, int flag = kFlagDefault);
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bool process();
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bool hasEnded();
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Common::Rect draw(Graphics::Surface *surface);
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void play();
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private:
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static const uint32 _soundBlockSize = 739;
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// despite their size field, info chunks don't have a payload
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enum ChunkType {
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kChunkTypeNone = 0,
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kChunkTypeUnknown1 = 1,
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kChunkTypeUnknown2 = 2,
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kChunkTypeAudioInfo = 3,
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kChunkTypeUnknown4 = 4,
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kChunkTypeUnknown5 = 5,
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kChunkTypeBackground1 = 10,
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kChunkTypeSelectBackground1 = 11,
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kChunkTypeBackground2 = 12,
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kChunkTypeSelectBackground2 = 13,
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kChunkTypeOverlay = 20,
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kChunkTypeUpdate = 21,
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kChunkTypeUpdateTransition = 22,
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kChunkTypeSound1 = 30,
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kChunkTypeSound2 = 31,
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kChunkTypeAudioData = 32,
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kChunkTypeAudioEnd = 99
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};
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struct Chunk {
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ChunkType type;
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uint16 frame;
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uint32 size;
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Chunk() {
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type = kChunkTypeNone;
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frame = 0;
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size = 0;
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}
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};
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void reset();
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AnimFrame *processChunkFrame(Common::SeekableReadStream *in, const Chunk &c) const;
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void processChunkAudio(Common::SeekableReadStream *in, const Chunk &c);
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Common::SeekableReadStream *_stream;
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Common::Array<Chunk> _chunks;
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Common::Array<Chunk>::iterator _currentChunk;
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AnimFrame *_overlay, *_background1, *_background2;
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byte _backgroundCurrent;
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AppendableSound *_audio;
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uint32 _startTime;
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bool _changed;
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int _flag;
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};
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} // End of namespace LastExpress
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#endif // LASTEXPRESS_ANIMATION_H
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