79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "glk/glulxe/glulxe.h"
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#include "common/config-manager.h"
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#include "common/translation.h"
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namespace Glk {
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namespace Glulxe {
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Glulxe::Glulxe(OSystem *syst, const GlkGameDescription &gameDesc) : GlkAPI(syst, gameDesc),
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vm_exited_cleanly(false) {
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}
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void Glulxe::runGame(Common::SeekableReadStream *gameFile) {
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_gameFile = gameFile;
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if (!is_gamefile_valid())
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return;
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// TODO
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}
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Common::Error Glulxe::loadGameData(strid_t file) {
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// TODO
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return Common::kNoError;
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}
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Common::Error Glulxe::saveGameData(strid_t file, const Common::String &desc) {
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// TODO
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return Common::kNoError;
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}
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bool Glulxe::is_gamefile_valid() {
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if (_gameFile->size() < 8) {
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GUIErrorMessage(_("This is too short to be a valid Glulx file."));
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return false;
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}
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if (_gameFile->readUint32BE() != MKTAG('G', 'l', 'u', 'l')) {
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GUIErrorMessage(_("This is not a valid Glulx file."));
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return false;
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}
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// We support version 2.0 through 3.1.*
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uint version = _gameFile->readUint32BE();
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if (version < 0x20000) {
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GUIErrorMessage(_("This Glulx file is too old a version to execute."));
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return false;
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}
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if (version >= 0x30200) {
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GUIErrorMessage(_("This Glulx file is too new a version to execute."));
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return false;
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}
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return true;
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}
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} // End of namespace Glulxe
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} // End of namespace Glk
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