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prc.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0/engines/cine/prc.cpp $
 * $Id: prc.cpp 35542 2008-12-25 20:40:00Z fingolfin $
 *
 */


#include "common/endian.h"
#include "common/events.h"
#include "common/config-manager.h"
#include "common/system.h"    // for g_system->getEventManager()

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


namespace Cine {

ScriptList globalScripts;
ScriptList objectScripts;

//char currentPrcName[20];

/*! \todo Is script size of 0 valid?
 * \todo Fix script dump code
 * @return Was the loading successful?
 */
bool loadPrc(const char *pPrcName) {
      byte i;
      uint16 numScripts;
      byte *scriptPtr, *dataPtr;

      assert(pPrcName);

      globalScripts.clear();
      scriptTable.clear();

      // This is copy protection. Used to hang the machine
      if (!scumm_stricmp(pPrcName, COPY_PROT_FAIL_PRC_NAME)) {
            Common::Event event;
            event.type = Common::EVENT_RTL;
            g_system->getEventManager()->pushEvent(event);
            return false;
      }

      checkDataDisk(-1);
      if ((g_cine->getGameType() == Cine::GType_FW) &&
            (!scumm_stricmp(pPrcName, BOOT_PRC_NAME) || !scumm_stricmp(pPrcName, "demo.prc"))) {
            scriptPtr = dataPtr = readFile(pPrcName, (g_cine->getFeatures() & GF_CRYPTED_BOOT_PRC) != 0);
      } else {
            scriptPtr = dataPtr = readBundleFile(findFileInBundle(pPrcName));
      }

      assert(scriptPtr);

      setMouseCursor(MOUSE_CURSOR_DISK);

      numScripts = READ_BE_UINT16(scriptPtr);
      scriptPtr += 2;
      assert(numScripts <= NUM_MAX_SCRIPT);

      for (i = 0; i < numScripts; i++) {
            RawScriptPtr tmp(new RawScript(READ_BE_UINT16(scriptPtr)));
            scriptPtr += 2;
            assert(tmp);
            scriptTable.push_back(tmp);
      }

      for (i = 0; i < numScripts; i++) {
            uint16 size = scriptTable[i]->_size;
            // TODO: delete the test?
            if (size) {
                  scriptTable[i]->setData(*scriptInfo, scriptPtr);
                  scriptPtr += size;
            }
      }

      free(dataPtr);

#ifdef DUMP_SCRIPTS

      {
            uint16 s;
            char buffer[256];

            for (s = 0; s < numScripts; s++) {
                  if (scriptTable[s]->_size) {
                        sprintf(buffer, "%s_%03d.txt", pPrcName, s);

                        decompileScript((const byte *)scriptTable[s]->getString(0), scriptTable[s]->_size, s);
                        dumpScript(buffer);
                  }
            }
      }
#endif

      return true;
}

} // End of namespace Cine

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