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cine.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-0-11-1/engines/cine/cine.cpp $
 * $Id: cine.cpp 30944 2008-02-23 22:50:18Z sev $
 *
 */

#include "common/events.h"
#include "common/file.h"
#include "common/savefile.h"
#include "common/config-manager.h"
#include "common/system.h"

#include "graphics/cursorman.h"

#include "sound/mididrv.h"
#include "sound/mixer.h"

#include "cine/cine.h"
#include "cine/bg_list.h"
#include "cine/main_loop.h"
#include "cine/object.h"
#include "cine/texte.h"
#include "cine/sound.h"
#include "cine/various.h"


namespace Cine {

Sound *g_sound;
Common::SaveFileManager *g_saveFileMan;

CineEngine *g_cine;

CineEngine::CineEngine(OSystem *syst, const CINEGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
      Common::addSpecialDebugLevel(kCineDebugScript, "Script", "Script debug level");
      Common::addSpecialDebugLevel(kCineDebugPart,   "Part",   "Part debug level");
      Common::addSpecialDebugLevel(kCineDebugSound,  "Sound",  "Sound debug level");

      // Setup mixer
      if (!_mixer->isReady()) {
            warning("Sound initialization failed.");
      }

      _mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
      _mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume"));

      g_cine = this;

      syst->getEventManager()->registerRandomSource(_rnd, "cine");
}

CineEngine::~CineEngine() {
      if (g_cine->getGameType() == Cine::GType_OS) {
            freePoldatDat();
            freeErrmessDat();
      }
      Common::clearAllSpecialDebugLevels();
}

int CineEngine::init() {
      // Initialize backend
      _system->beginGFXTransaction();
      initCommonGFX(false);
      _system->initSize(320, 200);
      _system->endGFXTransaction();

      if (g_cine->getPlatform() == Common::kPlatformPC) {
            g_sound = new PCSound(_mixer, this);
      } else {
            // Paula chipset for Amiga and Atari versions
            g_sound = new PaulaSound(_mixer, this);
      }
      g_saveFileMan = _saveFileMan;

      initialize();

      return 0;
}

int CineEngine::go() {
      CursorMan.showMouse(true);
      mainLoop(1);
      gfxDestroy();
      delete g_sound;
      return 0;
}


void CineEngine::initialize() {
      setupOpcodes();

      initLanguage(g_cine->getLanguage());
      gfxInit();

      textDataPtr = (byte *)malloc(8000);

      partBuffer = (PartBuffer *)malloc(NUM_MAX_PARTDATA * sizeof(PartBuffer));

      animDataTable = (AnimData *)malloc(NUM_MAX_ANIMDATA * sizeof(AnimData));

      if (g_cine->getGameType() == Cine::GType_OS) {
            readVolCnf();
      }

      loadTextData("texte.dat", textDataPtr);

      if (g_cine->getGameType() == Cine::GType_OS && !(g_cine->getFeatures() & GF_DEMO)) {
            loadPoldatDat("poldat.dat");
            loadErrmessDat("errmess.dat");
      }

      memset(objectTable, 0, sizeof(objectTable));
      memset(globalVars, 0, sizeof(globalVars));
      memset(scriptTable, 0, sizeof(scriptTable));
      memset(messageTable, 0, sizeof(messageTable));
      memset(relTable, 0, sizeof(relTable));

      for (int i = 0; i < NUM_MAX_ANIMDATA; i++) {
            animDataTable[i].ptr1 = animDataTable[i].ptr2 = NULL;
      }

      overlayHead.next = overlayHead.previous = NULL;

      var8 = 0;
      bgIncrustList = NULL;

      objScriptList.next = NULL;
      objScriptList.scriptPtr = NULL;

      globalScriptsHead.next = NULL;
      globalScriptsHead.scriptPtr = NULL;

      var2 = var3 = var4 = var5 = 0;

      freePrcLinkedList();

      _preLoad = false;
      if (ConfMan.hasKey("save_slot")) {
            char saveNameBuffer[256];

            sprintf(saveNameBuffer, "%s.%1d", _targetName.c_str(), ConfMan.getInt("save_slot"));

            bool res = makeLoad(saveNameBuffer);

            if (res)
                  _preLoad = true;
      }

      if (!_preLoad) {
            loadPrc(BOOT_PRC_NAME);
            strcpy(currentPrcName, BOOT_PRC_NAME);
            setMouseCursor(MOUSE_CURSOR_NORMAL);
      }
}

} // End of namespace Cine

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