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view.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * Copyright (C) 1999-2001 Sarien Team
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-9-1/engines/agi/view.h $
 * $Id: view.h 22640 2006-05-25 22:53:45Z wjpalenstijn $
 *
 */

#ifndef AGI_VIEW_H
#define AGI_VIEW_H

namespace Agi {

struct view_cel {
      uint8 height;
      uint8 width;
      uint8 transparency;
      uint8 mirror_loop;
      uint8 mirror;
      uint8 *data;
};

struct view_loop {
      int num_cels;
      struct view_cel *cel;
};

/**
 * AGI view resource structure.
 */
00047 struct agi_view {
      int num_loops;
      struct view_loop *loop;
      char *descr;
      uint8 *rdata;
};

/**
 * AGI view table entry
 */
00057 struct vt_entry {
      uint8 step_time;
      uint8 step_time_count;
      uint8 entry;
      int16 x_pos;
      int16 y_pos;
      uint8 current_view;
      struct agi_view *view_data;
      uint8 current_loop;
      uint8 num_loops;
      struct view_loop *loop_data;
      uint8 current_cel;
      uint8 num_cels;
      struct view_cel *cel_data;
      struct view_cel *cel_data_2;
      int16 x_pos2;
      int16 y_pos2;
      void *s;
      int16 x_size;
      int16 y_size;
      uint8 step_size;
      uint8 cycle_time;
      uint8 cycle_time_count;
      uint8 direction;

#define MOTION_NORMAL         0
#define MOTION_WANDER         1
#define     MOTION_FOLLOW_EGO 2
#define     MOTION_MOVE_OBJ         3
      uint8 motion;

#define     CYCLE_NORMAL            0
#define CYCLE_END_OF_LOOP     1
#define     CYCLE_REV_LOOP          2
#define     CYCLE_REVERSE           3
      uint8 cycle;

      uint8 priority;

#define DRAWN           0x0001
#define IGNORE_BLOCKS   0x0002
#define FIXED_PRIORITY  0x0004
#define IGNORE_HORIZON  0x0008
#define UPDATE          0x0010
#define CYCLING         0x0020
#define ANIMATED  0x0040
#define MOTION          0x0080
#define ON_WATER  0x0100
#define IGNORE_OBJECTS  0x0200
#define UPDATE_POS      0x0400
#define ON_LAND         0x0800
#define DONTUPDATE      0x1000
#define FIX_LOOP  0x2000
#define DIDNT_MOVE      0x4000
#define     ADJ_EGO_XY  0x8000
      uint16 flags;

      uint8 parm1;
      uint8 parm2;
      uint8 parm3;
      uint8 parm4;
};                      /* struct vt_entry */

/* Motion */
void check_all_motions(void);
void move_obj(vt_entry *);
void in_destination(vt_entry *);
void fix_position(int);
void update_position(void);

/* View table management */
void set_cel(vt_entry *, int);
void set_loop(vt_entry *, int);
void set_view(vt_entry *, int);
void start_update(vt_entry *);
void stop_update(vt_entry *);
void update_viewtable(void);

void unload_view(int);
int decode_view(int);
void add_to_pic(int, int, int, int, int, int, int);
void draw_obj(int);

bool is_ego_view(const vt_entry *v);

}                             // End of namespace Agi

#endif                        /* AGI_VIEW_H */

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