Logo Search packages:      
Sourcecode: scummvm version File versions  Download package

resource_v3.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $Header: /cvsroot/scummvm/scummvm/scumm/resource_v3.cpp,v 1.42.2.1 2005/10/18 02:11:21 sev Exp $
 *
 */

#include "common/stdafx.h"
#include "scumm/scumm.h"
#include "scumm/intern.h"
#include "scumm/util.h"

namespace Scumm {

extern const char *resTypeFromId(int id);

void ScummEngine_v3old::readResTypeList(int id, uint32 tag, const char *name) {
      int num;
      int i;

      debug(9, "readResTypeList(%s,%s,%s)", resTypeFromId(id), tag2str(TO_BE_32(tag)), name);

      num = _fileHandle->readByte();

      if (num >= 0xFF) {
            error("Too many %ss (%d) in directory", name, num);
      }

      if (id == rtRoom) {
            for (i = 0; i < num; i++)
                  res.roomno[id][i] = i;
            _fileHandle->seek(num, SEEK_CUR);
      } else {
            for (i = 0; i < num; i++)
                  res.roomno[id][i] = _fileHandle->readByte();
      }
      for (i = 0; i < num; i++) {
            res.roomoffs[id][i] = _fileHandle->readUint16LE();
            if (res.roomoffs[id][i] == 0xFFFF)
                  res.roomoffs[id][i] = 0xFFFFFFFF;
      }
}

void ScummEngine_v3old::readIndexFile() {
      int magic = 0;
      debug(9, "readIndexFile()");

      closeRoom();
      openRoom(0);

      magic = _fileHandle->readUint16LE();
      if (magic != 0x0100)
            error("The magic id doesn't match (0x%X)", magic);

      _numGlobalObjects = _fileHandle->readUint16LE();
      _fileHandle->seek(_numGlobalObjects * 4, SEEK_CUR);
      _numRooms = _fileHandle->readByte();
      _fileHandle->seek(_numRooms * 3, SEEK_CUR);
      _numCostumes = _fileHandle->readByte();
      _fileHandle->seek(_numCostumes * 3, SEEK_CUR);
      _numScripts = _fileHandle->readByte();
      _fileHandle->seek(_numScripts * 3, SEEK_CUR);
      _numSounds = _fileHandle->readByte();

      _fileHandle->clearIOFailed();
      _fileHandle->seek(0, SEEK_SET);

      readMAXS(0);
      allocateArrays();

      _fileHandle->readUint16LE(); /* version magic number */
      readGlobalObjects();
      readResTypeList(rtRoom, MKID('ROOM'), "room");
      readResTypeList(rtCostume, MKID('COST'), "costume");
      readResTypeList(rtScript, MKID('SCRP'), "script");
      readResTypeList(rtSound, MKID('SOUN'), "sound");

      closeRoom();
}

void ScummEngine_v3::readRoomsOffsets() {
}

void ScummEngine_v3::loadCharset(int no) {
      uint32 size;
      memset(_charsetData, 0, sizeof(_charsetData));

      checkRange(2, 0, no, "Loading illegal charset %d");
      closeRoom();

      Common::File file;
      char buf[20];

      sprintf(buf, "%02d.LFL", 99 - no);
      file.open(buf);

      if (file.isOpen() == false) {
            error("loadCharset(%d): Missing file charset: %s", no, buf);
      }

      size = file.readUint16LE();
      file.read(res.createResource(rtCharset, no, size), size);
}

} // End of namespace Scumm

Generated by  Doxygen 1.6.0   Back to index