mirror of
https://github.com/scummvm/scummvm.git
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100 lines
2.6 KiB
C++
100 lines
2.6 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "xeen/dialogs/dialogs_copy_protection.h"
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#include "xeen/dialogs/dialogs_input.h"
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#include "xeen/resources.h"
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#include "xeen/xeen.h"
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namespace Xeen {
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bool CopyProtection::show(XeenEngine *vm) {
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CopyProtection *dlg = new CopyProtection(vm);
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int result = dlg->execute();
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delete dlg;
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return result;
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}
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CopyProtection::CopyProtection(XeenEngine *vm) : Input(vm, &(*vm->_windows)[11]) {
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loadEntries();
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}
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bool CopyProtection::execute() {
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EventsManager &events = *_vm->_events;
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Sound &sound = *_vm->_sound;
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Window &w = *_window;
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bool result = false;
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Common::String line;
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// Choose a random entry
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ProtectionEntry &protEntry = _entries[_vm->getRandomNumber(_entries.size() - 1)];
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Common::String msg = Common::String::format(Res.WHATS_THE_PASSWORD,
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protEntry._pageNum, protEntry._lineNum, protEntry._wordNum);
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w.open();
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w.writeString(msg);
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w.update();
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for (int tryNum = 0; tryNum < 3 && !_vm->shouldExit(); ++tryNum) {
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line.clear();
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if (getString(line, 20, 200, false) && !line.compareToIgnoreCase(protEntry._text)) {
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sound.playFX(20);
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result = true;
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break;
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}
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sound.playFX(21);
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w.writeString("\x3l\v040\n\x4""200");
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w.writeString(Res.PASSWORD_INCORRECT);
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w.update();
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events.updateGameCounter();
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events.wait(50, false);
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}
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w.close();
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return result;
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}
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void CopyProtection::loadEntries() {
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FileManager &files = *g_vm->_files;
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File f(files._ccNum ? "timer.drv" : "cpstruct");
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ProtectionEntry pe;
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byte seed = 0;
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char text[13];
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while (f.pos() < f.size()) {
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pe._pageNum = f.readByte() ^ seed++;
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pe._lineNum = f.readByte() ^ seed++;
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pe._wordNum = f.readByte() ^ seed++;
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for (int idx = 0; idx < 13; ++idx)
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text[idx] = f.readByte() ^ seed++;
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text[12] = '\0';
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pe._text = Common::String(text);
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_entries.push_back(pe);
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}
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}
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} // End of namespace Xeen
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