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resource.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2006 The ScummVM project
 *
 * cinE Engine is (C) 2004-2005 by CinE 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/cine/resource.cpp $
 * $Id: resource.cpp 21414 2006-03-23 03:45:52Z sev $
 *
 */

#include "common/file.h"

#include "cine/cine.h"
#include "cine/resource.h"
#include "cine/unpack.h"
#include "cine/various.h"

namespace Cine {

void checkDataDisk(int16 param) {
}

/* FW specific */
static Common::File *snd_baseSndFile = NULL;
static uint16 snd_numBasesonEntries = 0;
static BasesonEntry *snd_basesonEntries = NULL;

int snd_loadBasesonEntries(const char *fileName) {
      int i;

      snd_baseSndFile = new Common::File();
      snd_baseSndFile->open(fileName);
      if (!snd_baseSndFile->isOpen())
            return -1;

      snd_numBasesonEntries = snd_baseSndFile->readUint16BE();
      snd_baseSndFile->readUint16BE();    /* entry_size */
      snd_basesonEntries = (BasesonEntry *)malloc(snd_numBasesonEntries * sizeof(BasesonEntry));
      if (snd_basesonEntries) {
            for (i = 0; i < snd_numBasesonEntries; ++i) {
                  BasesonEntry *be = &snd_basesonEntries[i];
                  snd_baseSndFile->read(be->name, 14);
                  be->offset = snd_baseSndFile->readUint32BE();
                  be->size = snd_baseSndFile->readUint32BE();
                  be->unpackedSize = snd_baseSndFile->readUint32BE();
                  snd_baseSndFile->readUint32BE();    /* unused */
            }
      }
      return 0;
}

void snd_clearBasesonEntries() {
      snd_baseSndFile->close();
      delete snd_baseSndFile;
      free(snd_basesonEntries);
      snd_basesonEntries = NULL;
      snd_numBasesonEntries = 0;
}

static int snd_findBasesonEntry(const char *entryName) {
      int i;
      char *p;
      char basesonEntryName[20];

      assert(strlen(entryName) < 20);
      strcpy(basesonEntryName, entryName);
      for (p = basesonEntryName; *p; ++p) {
            if (*p >= 'a' && *p <= 'z')
                  *p += 'A' - 'a';
      }

      for (i = 0; i < snd_numBasesonEntries; ++i) {
            if (strcmp(snd_basesonEntries[i].name, basesonEntryName) == 0)
                  return i;
      }
      return -1;
}

byte *snd_loadBasesonEntry(const char *entryName) {
      int entryNum;
      byte *entryData = NULL;

      if (gameType == Cine::GID_OS) {
            entryNum = findFileInBundle((const char *)entryName);
            if (entryNum != -1)
                  entryData = readBundleFile(entryNum);
      } else {
            entryNum = snd_findBasesonEntry(entryName);
            if (entryNum != -1 && entryNum < snd_numBasesonEntries) {
                  const BasesonEntry *be = &snd_basesonEntries[entryNum];
                  entryData = (byte *)malloc(be->unpackedSize);
                  if (entryData) {
                        if (be->unpackedSize > be->size) {
                              byte *tempData = (byte *)malloc(be->size);
                              if (tempData) {
                                    snd_baseSndFile->seek(be->offset, SEEK_SET);
                                    snd_baseSndFile->read(tempData, be->size);
                                    delphineUnpack(entryData, tempData, be->size);
                                    free(tempData);
                              }
                        } else {
                              snd_baseSndFile->seek(be->offset, SEEK_SET);
                              snd_baseSndFile->read(entryData, be->size);
                        }
                  }
            }
      }

      return entryData;
}

} // End of namespace Cine

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