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object.h

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2004 The ScummVM project
 *
 * 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: /cvsroot/scummvm/scummvm/scumm/object.h,v 1.15 2004/10/08 23:06:19 fingolfin Exp $
 */

#ifndef OBJECT_H
#define OBJECT_H

namespace Scumm {

struct ObjectData {
      uint32 OBIMoffset;
      uint32 OBCDoffset;
      int16 walk_x, walk_y;
      uint16 obj_nr;
      int16 x_pos;
      int16 y_pos;
      uint16 width;
      uint16 height;
      byte actordir;
      byte parent;
      byte parentstate;
      byte state;
      byte fl_object_index;
      byte flags;
};

#if !defined(__GNUC__)
      #pragma START_PACK_STRUCTS
#endif

struct RoomHeader {
      union {
            struct {
                  uint16 width, height;
                  uint16 numObjects;
            } GCC_PACK old;

            struct {
                  uint32 version;
                  uint16 width, height;
                  uint16 numObjects;
            } GCC_PACK v7;

            struct {
                  uint32 version;
                  uint32 width, height;
                  uint32 numObjects;
                  uint32 numZBuffer;
                  uint32 transparency;
            } GCC_PACK v8;
      } GCC_PACK;
} GCC_PACK;

struct CodeHeader {
      union {
            struct {
                  uint16 obj_id;
                  byte x, y, w, h;
                  byte flags;
                  byte parent;
                  int16 walk_x;
                  int16 walk_y;
                  byte actordir;
            } GCC_PACK v5;

            struct {
                  uint16 obj_id;
                  int16 x, y;
                  uint16 w, h;
                  byte flags, parent;
                  uint16 unk1;
                  uint16 unk2;
                  byte actordir;
            } GCC_PACK v6;

            struct {
                  uint32 version;
                  uint16 obj_id;
                  byte parent;
                  byte parentstate;
            } GCC_PACK v7;

      } GCC_PACK;
} GCC_PACK;

struct ImageHeader { /* file format */
      union {
            struct {
                  uint16 obj_id;
                  uint16 image_count;
                  uint16 unk[1];
                  byte flags;
                  byte unk1;
                  uint16 unk2[2];
                  uint16 width;
                  uint16 height;
                  uint16 hotspot_num;
                  struct {
                        int16 x, y;
                  } GCC_PACK hotspot[15];
            } GCC_PACK old;

            struct {
                  uint32 version;
                  uint16 obj_id;
                  uint16 image_count;
                  int16 x_pos, y_pos;
                  uint16 width, height;
                  byte unk2[3];
                  byte actordir;
                  uint16 hotspot_num;
                  struct {
                        int16 x, y;
                  } GCC_PACK hotspot[15];
            } GCC_PACK v7;

            struct {
                  char name[32];
                  uint32 unk_1[2];
                  uint32 version;         // 801 in COMI, 800 in the COMI demo
                  uint32 image_count;
                  uint32 x_pos;
                  uint32 y_pos;
                  uint32 width;
                  uint32 height;
                  uint32 actordir;
                  uint32 flags;     // This field is missing in the COMI demo (version == 800) !
                  struct {
                        int32 x, y;
                  } GCC_PACK hotspot[15];
            } GCC_PACK v8;
      } GCC_PACK;
} GCC_PACK;

#if !defined(__GNUC__)
      #pragma END_PACK_STRUCTS
#endif

struct FindObjectInRoom {
      const CodeHeader *cdhd;
      const byte *obcd;
      const ImageHeader *imhd;
      const byte *obim;
      const byte *roomptr;
};

enum FindObjectWhat {
      foCodeHeader = 1,
      foImageHeader = 2,
      foCheckAlreadyLoaded = 4
};

} // End of namespace Scumm


#endif

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