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https://github.com/libretro/scummvm.git
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144 lines
3.5 KiB
C++
144 lines
3.5 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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// Background animation management module private header
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#ifndef SAGA_ANIMATION_H_
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#define SAGA_ANIMATION_H_
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#include "saga/stream.h"
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namespace Saga {
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#define MAX_ANIMATIONS 7
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#define DEFAULT_FRAME_TIME 140
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#define SAGA_FRAME_HEADER_LEN (_vm->_features & GF_MAC_RESOURCES ? 13 : 12)
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#define SAGA_FRAME_START 0xF
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#define SAGA_FRAME_END 0x3F
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#define SAGA_FRAME_REPOSITION 0x30
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#define SAGA_FRAME_ROW_END 0x2F
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#define SAGA_FRAME_LONG_COMPRESSED_RUN 0x20
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#define SAGA_FRAME_LONG_UNCOMPRESSED_RUN 0x10
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#define SAGA_FRAME_COMPRESSED_RUN 0x80
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#define SAGA_FRAME_UNCOMPRESSED_RUN 0x40
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#define SAGA_FRAME_EMPTY_RUN 0xC0
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// All animation resources begin with an ANIMATION_HEADER
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// at 0x00, followed by a RLE code stream
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struct ANIMATION_HEADER {
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uint16 magic;
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uint16 screen_w;
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uint16 screen_h;
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byte unknown06;
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byte unknown07;
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byte nframes;
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byte loopframe;
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uint16 start;
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};
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struct FRAME_HEADER {
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int x_start;
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int y_start;
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int x_pos;
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int y_pos;
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int width;
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int height;
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};
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// Animation info array member
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struct ANIMATION {
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const byte *resdata;
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size_t resdata_len;
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uint16 n_frames;
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size_t *frame_offsets;
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int16 current_frame;
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uint16 completed;
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uint16 cycles;
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int16 loopframe;
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const byte *cur_frame_p;
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size_t cur_frame_len;
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int frame_time;
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int state;
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int16 link_id;
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uint16 flags;
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};
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enum ANIM_FLAGS {
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ANIM_PLAYING = 0x01,
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ANIM_PAUSE = 0x02,
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ANIM_STOPPING = 0x04,
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ANIM_ENDSCENE = 0x80 // When animation ends, dispatch scene end event
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};
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class Anim {
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public:
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Anim(SagaEngine *vm);
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~Anim(void);
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int load(const byte *anim_resdata, size_t anim_resdata_len, uint16 *anim_id_p);
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int freeId(uint16 anim_id);
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int play(uint16 anim_id, int vector_time, bool playing = true);
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int link(int16 anim_id1, int16 anim_id2);
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int setFlag(uint16 anim_id, uint16 flag);
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int clearFlag(uint16 anim_id, uint16 flag);
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int setFrameTime(uint16 anim_id, int time);
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int reset(void);
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void animInfo(void);
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void setCycles(uint animId, int cycles);
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void stop(uint16 animId);
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void finish(uint16 animId);
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void resume(uint16 animId, int cycles);
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private:
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int ITE_DecodeFrame(const byte *anim_resource, size_t anim_resource_len, size_t frame_offset, byte *buf, size_t buf_len);
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int IHNM_DecodeFrame(byte *decode_buf, size_t decode_buf_len, const byte *thisf_p,
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size_t thisf_len, const byte **nextf_p, size_t *nextf_len);
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int getFrameOffset(const byte *anim_resource, size_t anim_resource_len, uint16 find_frame, size_t *frame_offset);
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void readAnimHeader(MemoryReadStreamEndian &readS, ANIMATION_HEADER &ah);
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SagaEngine *_vm;
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bool _initialized;
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uint16 _anim_count;
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uint16 _anim_limit;
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ANIMATION *_anim_tbl[MAX_ANIMATIONS];
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};
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} // End of namespace Saga
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#endif /* ANIMATION_H_ */
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/* end "r_animation.h" */
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