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scumm_globals.cpp

/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2006 The ScummVM project
 * Copyright (C) 2002-2006 Chris Apers - PalmOS Backend
 *
 * 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/backends/platform/PalmOS/Src/scumm_globals.cpp $
 * $Id: scumm_globals.cpp 20937 2006-02-26 17:04:28Z chrilith $
 *
 */

#include <PalmOS.h>

#include "palmdefs.h"
#include "globals.h"
#include "scumm_globals.h"

static void GlbInitAll() {
      if (gVars->globals[GBVARS_COMMON]) {
            CALL_INIT(ScummFont)
      }
      if (gVars->globals[GBVARS_ENGINE]) {
#ifndef DISABLE_SCUMM
#     ifndef DISABLE_SCUMM_7_8
            CALL_INIT(DimuseTables)
            CALL_INIT(DimuseCodecs)
            CALL_INIT(Codec47)
#     endif
            CALL_INIT(Akos)
            CALL_INIT(Gfx)
            CALL_INIT(Dialogs)
            CALL_INIT(Charset)
            CALL_INIT(Costume)
            CALL_INIT(PlayerV2)
            CALL_INIT(Scumm_md5table)
#endif
#ifndef DISABLE_SIMON
            CALL_INIT(Simon_Simon)
            CALL_INIT(Simon_Cursor)
            CALL_INIT(Simon_Charset)
#endif
#ifndef DISABLE_SKY
            CALL_INIT(Sky_Hufftext)
#endif
#ifndef DISABLE_SWORD1
            CALL_INIT(Sword1_fxList)
#endif
#ifndef DISABLE_QUEEN
            CALL_INIT(Queen_Talk)
            CALL_INIT(Queen_Display)
            CALL_INIT(Queen_Graphics)
            CALL_INIT(Queen_Restables)
            CALL_INIT(Queen_Musicdata)
#endif
      }
}

static void GlbReleaseAll() {
      if (gVars->globals[GBVARS_COMMON]) {
            CALL_RELEASE(ScummFont)

      }
      if (gVars->globals[GBVARS_SCUMM]) {
#ifndef DISABLE_SCUMM
#     ifndef DISABLE_SCUMM_7_8
            CALL_RELEASE(DimuseTables)
            CALL_RELEASE(DimuseCodecs)
            CALL_RELEASE(Codec47)
#     endif
            CALL_RELEASE(Akos)
            CALL_RELEASE(Gfx)
            CALL_RELEASE(Dialogs)
            CALL_RELEASE(Charset)
            CALL_RELEASE(Costume)
            CALL_RELEASE(PlayerV2)
            CALL_RELEASE(Scumm_md5table)
#endif
#ifndef DISABLE_SIMON
            CALL_RELEASE(Simon_Simon)
            CALL_RELEASE(Simon_Cursor)
            CALL_RELEASE(Simon_Charset)
#endif
#ifndef DISABLE_SKY
            CALL_RELEASE(Sky_Hufftext)
#endif
#ifndef DISABLE_SWORD1
            CALL_RELEASE(Sword1_fxList)
#endif
#ifndef DISABLE_QUEEN
            CALL_RELEASE(Queen_Talk)
            CALL_RELEASE(Queen_Display)
            CALL_RELEASE(Queen_Graphics)
            CALL_RELEASE(Queen_Restables)
            CALL_RELEASE(Queen_Musicdata)
#endif
      }
}

//TODO : use Boolean instead of void to check err
static DmOpenRef GlbOpenInternal(const Char *nameP) {
      LocalID dbID = DmFindDatabase(0, nameP);
      if (dbID) {
            UInt32 dbType, dbCreator;
            Err e = DmDatabaseInfo(0, dbID, 0, 0, 0, 0, 0, 0, 0, 0, 0, &dbType, &dbCreator);

            if (!e && dbType == 'GLBS' && dbCreator == appFileCreator)
                  return DmOpenDatabase(0, dbID, dmModeReadOnly);
      }
      return NULL;
}

void GlbOpen() {
      gVars->globals[GBVARS_COMMON] = GlbOpenInternal("Glbs::Common");
      gVars->globals[GBVARS_ENGINE] = GlbOpenInternal("Glbs::Engine");
      GlbInitAll();
}

void GlbClose() {
      GlbReleaseAll();

      if (gVars->globals[GBVARS_COMMON])
            DmCloseDatabase(gVars->globals[GBVARS_COMMON]);
      if (gVars->globals[GBVARS_ENGINE])
            DmCloseDatabase(gVars->globals[GBVARS_ENGINE]);
}

void *GlbGetRecord(UInt16 index, UInt16 id) {
      if (gVars->globals[id]) {
            MemHandle recordH = DmQueryRecord(gVars->globals[id], index);
            if (recordH)
                  return MemHandleLock(recordH);
      }
      return NULL;
}

void GlbReleaseRecord(UInt16 index, UInt16 id) {
      if (gVars->globals[id]) {
            MemHandle recordH = DmQueryRecord(gVars->globals[id], index);
            if (recordH)
                  MemHandleUnlock(recordH);
      }
}

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