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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
// Background animation management module private header
#ifndef SAGA_ANIMATION_H_
#define SAGA_ANIMATION_H_
namespace Saga {
#define MAX_ANIMATIONS 7
#define DEFAULT_FRAME_TIME 140
#define SAGA_FRAME_HEADER_MAGIC 15
#define SAGA_FRAME_HEADER_LEN 12
// All animation resources begin with an ANIMATION_HEADER
// at 0x00, followed by a RLE code stream
struct ANIMATION_HEADER {
uint16 magic;
uint16 screen_w;
uint16 screen_h;
uint16 unknown06;
uint16 unknown07;
uint16 nframes;
uint16 flags;
uint16 unknown10;
uint16 unknown11;
};
struct FRAME_HEADER {
int x_start;
int y_start;
int x_pos;
int y_pos;
int width;
int height;
};
// Animation info array member
struct ANIMATION {
const byte *resdata;
size_t resdata_len;
uint16 n_frames;
size_t *frame_offsets;
uint16 current_frame;
uint16 end_frame;
uint16 stop_frame;
const byte *cur_frame_p;
size_t cur_frame_len;
int frame_time;
uint16 play_flag;
int link_flag;
uint16 link_id;
uint16 flags;
};
enum ANIM_FLAGS {
ANIM_LOOP = 0x01,
ANIM_PAUSE = 0x02,
ANIM_ENDSCENE = 0x80 // When animation ends, dispatch scene end event
};
class Anim {
public:
int reg(void);
Anim(SagaEngine *vm);
~Anim(void);
int load(const byte *anim_resdata, size_t anim_resdata_len, uint16 *anim_id_p);
int freeId(uint16 anim_id);
int play(uint16 anim_id, int vector_time);
int link(uint16 anim_id1, uint16 anim_id2);
int setFlag(uint16 anim_id, uint16 flag);
int clearFlag(uint16 anim_id, uint16 flag);
int setFrameTime(uint16 anim_id, int time);
int reset(void);
void animInfo(int argc, char *argv[]);
private:
int getNumFrames(const byte *anim_resource, size_t anim_resource_len, uint16 *n_frames);
int ITE_DecodeFrame(const byte *anim_resource, size_t anim_resource_len, size_t frame_offset, byte *buf, size_t buf_len);
int IHNM_DecodeFrame(byte *decode_buf, size_t decode_buf_len, const byte *thisf_p,
size_t thisf_len, const byte **nextf_p, size_t *nextf_len);
int getFrameOffset(const byte *anim_resource, size_t anim_resource_len, uint16 find_frame, size_t *frame_offset);
SagaEngine *_vm;
bool _initialized;
uint16 _anim_count;
uint16 _anim_limit;
ANIMATION *_anim_tbl[MAX_ANIMATIONS];
};
} // End of namespace Saga
#endif /* ANIMATION_H_ */
/* end "r_animation.h" */
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