mirror of
https://github.com/libretro/scummvm.git
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302 lines
7.8 KiB
C++
302 lines
7.8 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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* 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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* 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 "engines/advancedDetector.h"
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#include "common/system.h"
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#include "common/savefile.h"
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#include "common/textconsole.h"
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#include "graphics/thumbnail.h"
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#include "graphics/surface.h"
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#include "hugo/hugo.h"
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namespace Hugo {
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struct HugoGameDescription {
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ADGameDescription desc;
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GameType gameType;
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};
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uint32 HugoEngine::getFeatures() const {
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return _gameDescription->desc.flags;
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}
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const char *HugoEngine::getGameId() const {
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return _gameDescription->desc.gameid;
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}
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static const PlainGameDescriptor hugoGames[] = {
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// Games
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{"hugo1", "Hugo 1: Hugo's House of Horrors"},
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{"hugo2", "Hugo 2: Whodunit?"},
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{"hugo3", "Hugo 3: Jungle of Doom"},
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{0, 0}
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};
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static const HugoGameDescription gameDescriptions[] = {
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// Hugo1 DOS
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{
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{
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"hugo1", 0,
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AD_ENTRY1s("house.art", "c9403b2fe539185c9fd569b6cc4ff5ca", 14811),
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Common::EN_ANY,
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Common::kPlatformPC,
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ADGF_NO_FLAGS,
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Common::GUIO_NONE
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},
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kGameTypeHugo1
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},
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// Hugo1 Windows
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{
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{
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"hugo1", 0,
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AD_ENTRY1s("objects.dat", "3ba0f108f7690a05a34c56a02fbe644a", 126488),
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Common::EN_ANY,
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Common::kPlatformWindows,
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GF_PACKED,
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Common::GUIO_NONE
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},
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kGameTypeHugo1
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},
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// Hugo2 DOS
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{
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{
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"hugo2", 0,
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AD_ENTRY1s("objects.dat", "88a718cc0ff2b3b25d49aaaa69d6d52c", 155240),
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Common::EN_ANY,
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Common::kPlatformPC,
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GF_PACKED,
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Common::GUIO_NONE
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},
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kGameTypeHugo2
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},
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// Hugo2 Windows
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{
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{
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"hugo2", 0,
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AD_ENTRY1s("objects.dat", "5df4ffc851e66a544c0e95e4e084a806", 158480),
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Common::EN_ANY,
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Common::kPlatformWindows,
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GF_PACKED,
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Common::GUIO_NONE
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},
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kGameTypeHugo2
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},
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// Hugo3 DOS
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{
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{
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"hugo3", 0,
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AD_ENTRY1s("objects.dat", "bb1b061538a445f2eb99b682c0f506cc", 136419),
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Common::EN_ANY,
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Common::kPlatformPC,
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GF_PACKED,
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Common::GUIO_NONE
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},
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kGameTypeHugo3
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},
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// Hugo3 Windows
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{
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{
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"hugo3", 0,
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AD_ENTRY1s("objects.dat", "c9a8af7aa14cc907434eecee3ddd06d3", 136638),
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Common::EN_ANY,
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Common::kPlatformWindows,
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GF_PACKED,
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Common::GUIO_NONE
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},
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kGameTypeHugo3
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},
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{AD_TABLE_END_MARKER, kGameTypeNone}
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};
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class HugoMetaEngine : public AdvancedMetaEngine {
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public:
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HugoMetaEngine() : AdvancedMetaEngine(gameDescriptions, sizeof(HugoGameDescription), hugoGames) {
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}
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const char *getName() const {
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return "Hugo";
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}
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const char *getOriginalCopyright() const {
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return "Hugo Engine (C) 1989-1997 David P. Gray";
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}
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bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
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bool hasFeature(MetaEngineFeature f) const;
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int getMaximumSaveSlot() const;
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SaveStateList listSaves(const char *target) const;
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SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
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void removeSaveState(const char *target, int slot) const;
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};
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bool HugoMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const {
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if (gd) {
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*engine = new HugoEngine(syst, (const HugoGameDescription *)gd);
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((HugoEngine *)*engine)->initGame((const HugoGameDescription *)gd);
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}
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return gd != 0;
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}
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bool HugoMetaEngine::hasFeature(MetaEngineFeature f) const {
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return
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(f == kSupportsListSaves) ||
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(f == kSupportsLoadingDuringStartup) ||
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(f == kSupportsDeleteSave) ||
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(f == kSavesSupportMetaInfo) ||
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(f == kSavesSupportThumbnail) ||
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(f == kSavesSupportCreationDate);
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}
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int HugoMetaEngine::getMaximumSaveSlot() const { return 99; }
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SaveStateList HugoMetaEngine::listSaves(const char *target) const {
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Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
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Common::StringArray filenames;
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Common::String pattern = target;
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pattern += "-??.SAV";
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filenames = saveFileMan->listSavefiles(pattern);
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sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
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SaveStateList saveList;
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char slot[3];
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int slotNum = 0;
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for (Common::StringArray::const_iterator filename = filenames.begin(); filename != filenames.end(); ++filename) {
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slot[0] = filename->c_str()[filename->size() - 6];
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slot[1] = filename->c_str()[filename->size() - 5];
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slot[2] = '\0';
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// Obtain the last 2 digits of the filename (without extension), since they correspond to the save slot
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slotNum = atoi(slot);
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if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) {
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Common::InSaveFile *file = saveFileMan->openForLoading(*filename);
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if (file) {
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int saveVersion = file->readByte();
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if (saveVersion != kSavegameVersion) {
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warning("Savegame of incompatible version");
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delete file;
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continue;
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}
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// read name
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uint16 nameSize = file->readUint16BE();
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if (nameSize >= 255) {
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delete file;
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continue;
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}
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char name[256];
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file->read(name, nameSize);
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name[nameSize] = 0;
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saveList.push_back(SaveStateDescriptor(slotNum, name));
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delete file;
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}
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}
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}
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return saveList;
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}
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SaveStateDescriptor HugoMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
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Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot);
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Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);
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if (file) {
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int saveVersion = file->readByte();
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if (saveVersion != kSavegameVersion) {
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warning("Savegame of incompatible version");
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delete file;
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return SaveStateDescriptor();
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}
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uint32 saveNameLength = file->readUint16BE();
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char saveName[256];
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file->read(saveName, saveNameLength);
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saveName[saveNameLength] = 0;
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SaveStateDescriptor desc(slot, saveName);
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Graphics::Surface *thumbnail = new Graphics::Surface();
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assert(thumbnail);
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if (!Graphics::loadThumbnail(*file, *thumbnail)) {
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delete thumbnail;
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thumbnail = 0;
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}
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desc.setThumbnail(thumbnail);
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desc.setDeletableFlag(true);
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desc.setWriteProtectedFlag(false);
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uint32 saveDate = file->readUint32BE();
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uint16 saveTime = file->readUint16BE();
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int day = (saveDate >> 24) & 0xFF;
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int month = (saveDate >> 16) & 0xFF;
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int year = saveDate & 0xFFFF;
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desc.setSaveDate(year, month, day);
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int hour = (saveTime >> 8) & 0xFF;
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int minutes = saveTime & 0xFF;
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desc.setSaveTime(hour, minutes);
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// Slot 0 is used for the 'restart game' save in all Hugo games, thus
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// we prevent it from being deleted.
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desc.setDeletableFlag(slot != 0);
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desc.setWriteProtectedFlag(slot == 0);
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delete file;
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return desc;
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}
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return SaveStateDescriptor();
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}
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void HugoMetaEngine::removeSaveState(const char *target, int slot) const {
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Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot);
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g_system->getSavefileManager()->removeSavefile(fileName);
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}
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} // End of namespace Hugo
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#if PLUGIN_ENABLED_DYNAMIC(HUGO)
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REGISTER_PLUGIN_DYNAMIC(HUGO, PLUGIN_TYPE_ENGINE, Hugo::HugoMetaEngine);
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#else
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REGISTER_PLUGIN_STATIC(HUGO, PLUGIN_TYPE_ENGINE, Hugo::HugoMetaEngine);
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#endif
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namespace Hugo {
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void HugoEngine::initGame(const HugoGameDescription *gd) {
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_gameType = gd->gameType;
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_platform = gd->desc.platform;
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_packedFl = (getFeatures() & GF_PACKED);
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_gameVariant = _gameType - 1 + ((_platform == Common::kPlatformWindows) ? 0 : 3);
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}
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} // End of namespace Hugo
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