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/* 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.
*
*/
#include "glk/magnetic/magnetic.h"
#include "common/config-manager.h"
#include "common/translation.h"
namespace Glk {
namespace Magnetic {
Magnetic::Magnetic(OSystem *syst, const GlkGameDescription &gameDesc) : GlkAPI(syst, gameDesc),
vm_exited_cleanly(false), dlimit(0xffffffff), slimit(0xffffffff), log_on(0),
i_count(0), string_size(0), rseed(0), pc(0), arg1i(0), mem_size(0), properties(0), fl_sub(0),
fl_tab(0), fl_size(0), fp_tab(0), fp_size(0), zflag(0), nflag(0), cflag(0), vflag(0), byte1(0),
byte2(0), regnr(0), admode(0), opsize(0), arg1(nullptr), arg2(nullptr), is_reversible(0),
lastchar(0), version(0), sd(0), decode_table(nullptr), restart(nullptr), code(nullptr),
string(nullptr), string2(nullptr), string3(nullptr), dict(nullptr), quick_flag(0), gfx_ver(0),
gfx_buf(nullptr), gfx_data(nullptr), gfx2_hdr(0), gfx2_buf(nullptr), gfx2_hsize(0),
snd_buf(nullptr), snd_hdr(nullptr), snd_hsize(0), undo_pc(0), undo_size(0),
gfxtable(0), table_dist(0), v4_id(0), next_table(1), pos_table_size(0),
command_table(nullptr), command_index(-1), pos_table_index(-1), pos_table_max(-1),
anim_repeat(0) {
// Emu fields
undo[0] = undo[1] = nullptr;
undo_stat[0] = undo_stat[1] = 0;
Common::fill(&dreg[0], &dreg[8], 0);
Common::fill(&areg[0], &areg[8], 0);
Common::fill(&tmparg[0], &tmparg[4], 0);
Common::fill(&undo_regs[0][0], &undo_regs[2][18], 0),
Common::fill(&pos_table_count[0], &pos_table_count[MAX_POSITIONS], 0);
}
void Magnetic::runGame() {
if (!is_gamefile_valid())
return;
// TODO
}
Common::Error Magnetic::readSaveData(Common::SeekableReadStream *rs) {
// TODO
return Common::kReadingFailed;
}
Common::Error Magnetic::writeGameData(Common::WriteStream *ws) {
// TODO
return Common::kWritingFailed;
}
bool Magnetic::is_gamefile_valid() {
if (_gameFile.size() < 8) {
GUIErrorMessage(_("This is too short to be a valid Glulx file."));
return false;
}
if (_gameFile.readUint32BE() != MKTAG('G', 'l', 'u', 'l')) {
GUIErrorMessage(_("This is not a valid Glulx file."));
return false;
}
// We support version 2.0 through 3.1.*
uint32 vers = _gameFile.readUint32BE();
if (vers < 0x20000) {
GUIErrorMessage(_("This Glulx file is too old a version to execute."));
return false;
}
if (vers >= 0x30200) {
GUIErrorMessage(_("This Glulx file is too new a version to execute."));
return false;
}
return true;
}
} // End of namespace Magnetic
} // End of namespace Glk
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