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https://github.com/scummvm/scummvm.git
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c6882da457
This was done only for the ScummVM save/load dialogs, but there are situations where the global pause counter runs out of sync regardless of whether these dialogs or the original ones get used (e. g. bug no. 15336). The counter should always be 0 after loading a savegame.
1593 lines
54 KiB
C++
1593 lines
54 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 "common/archive.h"
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#include "common/config-manager.h"
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#include "common/debug-channels.h"
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#include "common/file.h"
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#include "common/macresman.h"
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#include "common/str.h"
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#include "common/savefile.h"
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#include "common/system.h"
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#include "common/translation.h"
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#include "common/memstream.h"
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#include "common/str-enc.h"
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#include "gui/saveload.h"
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#include "sci/sci.h"
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#include "sci/engine/file.h"
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#include "sci/engine/state.h"
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#include "sci/engine/kernel.h"
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#include "sci/engine/savegame.h"
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#include "sci/sound/audio.h"
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#include "sci/console.h"
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#ifdef ENABLE_SCI32
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#include "graphics/thumbnail.h"
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#include "sci/engine/guest_additions.h"
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#endif
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#include "sci/engine/message.h"
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#include "sci/resource/resource.h"
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namespace Sci {
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/**
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* Writes the cwd to the supplied address and returns the address in acc.
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*/
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reg_t kGetCWD(EngineState *s, int argc, reg_t *argv) {
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// We do not let the scripts see the file system, instead pretending
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// we are always in the same directory.
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// TODO/FIXME: Is "/" a good value? Maybe "" or "." or "C:\" are better?
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s->_segMan->strcpy_(argv[0], "/");
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debugC(kDebugLevelFile, "kGetCWD() -> %s", "/");
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return argv[0];
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}
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enum {
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K_DEVICE_INFO_GET_DEVICE = 0,
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K_DEVICE_INFO_GET_CURRENT_DEVICE = 1,
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K_DEVICE_INFO_PATHS_EQUAL = 2,
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K_DEVICE_INFO_IS_FLOPPY = 3,
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K_DEVICE_INFO_GET_CONFIG_PATH = 5,
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K_DEVICE_INFO_GET_SAVECAT_NAME = 7,
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K_DEVICE_INFO_GET_SAVEFILE_NAME = 8
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};
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reg_t kDeviceInfo(EngineState *s, int argc, reg_t *argv) {
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if (g_sci->getGameId() == GID_FANMADE && argc == 1) {
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// WORKAROUND: The fan game script library calls kDeviceInfo with one parameter.
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// According to the scripts, it wants to call CurDevice. However, it fails to
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// provide the subop to the function.
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s->_segMan->strcpy_(argv[0], "/");
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return s->r_acc;
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}
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int mode = argv[0].toUint16();
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switch (mode) {
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case K_DEVICE_INFO_GET_DEVICE: {
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Common::String input_str = s->_segMan->getString(argv[1]);
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s->_segMan->strcpy_(argv[2], "/");
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debug(3, "K_DEVICE_INFO_GET_DEVICE(%s) -> %s", input_str.c_str(), "/");
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break;
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}
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case K_DEVICE_INFO_GET_CURRENT_DEVICE:
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s->_segMan->strcpy_(argv[1], "/");
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debug(3, "K_DEVICE_INFO_GET_CURRENT_DEVICE() -> %s", "/");
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break;
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case K_DEVICE_INFO_PATHS_EQUAL: {
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Common::String path1_s = s->_segMan->getString(argv[1]);
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Common::String path2_s = s->_segMan->getString(argv[2]);
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debug(3, "K_DEVICE_INFO_PATHS_EQUAL(%s,%s)", path1_s.c_str(), path2_s.c_str());
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return make_reg(0, Common::matchString(path2_s.c_str(), path1_s.c_str(), false, "/"));
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}
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break;
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case K_DEVICE_INFO_IS_FLOPPY: {
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Common::String input_str = s->_segMan->getString(argv[1]);
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debug(3, "K_DEVICE_INFO_IS_FLOPPY(%s)", input_str.c_str());
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return NULL_REG; /* Never */
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}
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case K_DEVICE_INFO_GET_CONFIG_PATH: {
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// Early versions return drive letter, later versions a path string
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// FIXME: Implement if needed, for now return NULL_REG
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return NULL_REG;
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}
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/* SCI uses these in a less-than-portable way to delete savegames.
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** Read https://web.archive.org/web/20060913122014/http://www-plan.cs.colorado.edu/creichen/freesci-logs/2005.10/log20051019.html
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** for more information on our workaround for this.
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*/
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case K_DEVICE_INFO_GET_SAVECAT_NAME: {
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Common::String game_prefix = s->_segMan->getString(argv[2]);
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s->_segMan->strcpy_(argv[1], "__throwaway");
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debug(3, "K_DEVICE_INFO_GET_SAVECAT_NAME(%s) -> %s", game_prefix.c_str(), "__throwaway");
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}
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break;
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case K_DEVICE_INFO_GET_SAVEFILE_NAME: {
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Common::String game_prefix = s->_segMan->getString(argv[2]);
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uint virtualId = argv[3].toUint16();
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s->_segMan->strcpy_(argv[1], "__throwaway");
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debug(3, "K_DEVICE_INFO_GET_SAVEFILE_NAME(%s,%d) -> %s", game_prefix.c_str(), virtualId, "__throwaway");
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if ((virtualId < SAVEGAMEID_OFFICIALRANGE_START) || (virtualId > SAVEGAMEID_OFFICIALRANGE_END))
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error("kDeviceInfo(deleteSave): invalid savegame ID specified");
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uint savegameId = virtualId - SAVEGAMEID_OFFICIALRANGE_START;
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Common::Array<SavegameDesc> saves;
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listSavegames(saves);
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if (findSavegame(saves, savegameId) != -1) {
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// Confirmed that this id still lives...
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Common::String filename = g_sci->getSavegameName(savegameId);
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Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
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saveFileMan->removeSavefile(filename);
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}
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break;
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}
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default:
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error("Unknown DeviceInfo() sub-command: %d", mode);
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break;
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}
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return s->r_acc;
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}
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reg_t kCheckFreeSpace(EngineState *s, int argc, reg_t *argv) {
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// A file path to test is also passed to this function as a separate
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// argument, but we do not actually check anything, so it is unused
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enum {
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kSaveGameSize = 0,
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kFreeDiskSpace = 1,
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kEnoughSpaceToSave = 2
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};
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int16 subop;
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// In SCI2.1mid, the call is moved into kFileIO and the arguments are
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// flipped
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if (getSciVersion() >= SCI_VERSION_2_1_MIDDLE) {
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subop = argc > 0 ? argv[0].toSint16() : 2;
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} else {
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subop = argc > 1 ? argv[1].toSint16() : 2;
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}
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switch (subop) {
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case kSaveGameSize:
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return make_reg(0, 0);
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case kFreeDiskSpace: // in KiB; up to 32MiB maximum
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return make_reg(0, 0x7fff);
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case kEnoughSpaceToSave:
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return make_reg(0, 1);
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default:
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error("kCheckFreeSpace: called with unknown sub-op %d", subop);
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}
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}
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reg_t kValidPath(EngineState *s, int argc, reg_t *argv) {
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Common::String path = s->_segMan->getString(argv[0]);
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debug(3, "kValidPath(%s) -> %d", path.c_str(), s->r_acc.getOffset());
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// Always return true
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return make_reg(0, 1);
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}
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#ifdef ENABLE_SCI32
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reg_t kCD(EngineState *s, int argc, reg_t *argv) {
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if (!s)
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return make_reg(0, getSciVersion());
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error("not supposed to call this");
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}
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reg_t kCheckCD(EngineState *s, int argc, reg_t *argv) {
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// Mac interpreters would display a dialog prompting for the disc.
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// kCheckCD took an optional second boolean parameter, which we
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// ignore, that affected the dialog's text.
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const int16 cdNo = argc > 0 ? argv[0].toSint16() : 0;
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if (cdNo) {
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g_sci->getResMan()->findDisc(cdNo);
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}
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return make_reg(0, g_sci->getResMan()->getCurrentDiscNo());
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}
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reg_t kGetSavedCD(EngineState *s, int argc, reg_t *argv) {
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// Normally this code would read the CD number from the currently loaded
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// save game file, but since we don't have one of those, just return the
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// disc number from the resource manager
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return make_reg(0, g_sci->getResMan()->getCurrentDiscNo());
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}
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#endif
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// ---- FileIO operations -----------------------------------------------------
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#ifdef ENABLE_SCI32
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static bool isSaveCatalogue(const Common::String &name) {
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return name == "autosave.cat" || name.hasSuffix("sg.cat");
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}
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// SCI32 save game scripts check for, and write directly to, the save game
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// catalogue. Since ScummVM does not use these catalogues, when looking for a
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// catalogue, we instead check for save games within ScummVM that are logically
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// equivalent to the behaviour of SSCI.
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static bool saveCatalogueExists(const Common::String &name) {
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bool exists = false;
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Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
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// There will always be one save game in some games, the "new game"
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// game, which should be ignored when deciding if there are any save
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// games available
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uint numPermanentSaves;
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switch (g_sci->getGameId()) {
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case GID_TORIN:
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case GID_LSL7:
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case GID_LIGHTHOUSE:
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numPermanentSaves = 1;
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break;
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default:
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numPermanentSaves = 0;
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break;
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}
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// Torin uses autosave.cat; LSL7 uses autosvsg.cat
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if (name == "autosave.cat" || name == "autosvsg.cat") {
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exists = !saveFileMan->listSavefiles(g_sci->getSavegameName(0)).empty();
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} else {
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exists = saveFileMan->listSavefiles(g_sci->getSavegamePattern()).size() > numPermanentSaves;
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}
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return exists;
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}
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static Common::String getRamaSaveName(EngineState *s, const uint saveNo) {
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const reg_t catalogId = s->variables[VAR_GLOBAL][kGlobalVarRamaCatalogFile];
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if (catalogId.isNull()) {
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error("Could not find CatalogFile object to retrieve save game name");
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}
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const List *list = s->_segMan->lookupList(readSelector(s->_segMan, catalogId, SELECTOR(elements)));
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if (!list) {
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error("Could not read CatalogFile object list");
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}
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Node *node = s->_segMan->lookupNode(list->first);
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while (node) {
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const reg_t entryId = node->value;
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if (readSelectorValue(s->_segMan, entryId, SELECTOR(fileNumber)) == saveNo) {
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reg_t description = readSelector(s->_segMan, entryId, SELECTOR(description));
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if (s->_segMan->isObject(description)) {
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description = readSelector(s->_segMan, description, SELECTOR(data));
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}
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return s->_segMan->getString(description);
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}
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node = s->_segMan->lookupNode(node->succ);
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}
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error("Could not find a save name for save %u", saveNo);
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}
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#endif
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reg_t kFileIO(EngineState *s, int argc, reg_t *argv) {
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if (!s)
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return make_reg(0, getSciVersion());
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error("not supposed to call this");
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}
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reg_t kFileIOOpen(EngineState *s, int argc, reg_t *argv) {
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Common::String name = s->_segMan->getString(argv[0]);
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kFileOpenMode mode = (kFileOpenMode)argv[1].toUint16();
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bool unwrapFilename = true;
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// SQ4 floppy prepends /\ to the filenames, QFG4 import does too.
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// Do this before the empty test to handle QFG4.
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if (name.hasPrefix("/\\")) {
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name.deleteChar(0);
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name.deleteChar(0);
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}
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if (name.empty()) {
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// Happens many times during KQ1 (e.g. when typing something)
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debugC(kDebugLevelFile, "Attempted to open a file with an empty filename");
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return SIGNAL_REG;
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}
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// SQ4 floppy attempts to update the savegame index file sq4sg.dir when
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// deleting saved games. We don't use an index file for saving or loading,
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// so just stop the game from modifying the file here in order to avoid
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// having it saved in the ScummVM save directory.
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if (name == "sq4sg.dir") {
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debugC(kDebugLevelFile, "Not opening unused file sq4sg.dir");
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return SIGNAL_REG;
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}
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// ECO2 has a print feature in the Ecorder that writes text to PRN,
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// which is a DOS alias for the printer. Ignore these attempts,
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// otherwise an actual file will be created.
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if (g_sci->getGameId() == GID_ECOQUEST2 && name == "prn") {
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return SIGNAL_REG;
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}
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#ifdef ENABLE_SCI32
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// GK1, GK2, KQ7, LSL6hires, Phant1, PQ4, PQ:SWAT, and SQ6 read in
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// their game version from the VERSION file
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if (name.compareToIgnoreCase("version") == 0) {
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unwrapFilename = false;
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// LSL6hires version is in a file with an empty extension
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if (Common::File::exists(Common::Path(name + "."))) {
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name += ".";
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}
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}
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if (g_sci->getGameId() == GID_SHIVERS && name.hasSuffix(".SG")) {
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// Shivers stores the name and score of save games in separate %d.SG
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// files, which are used by the save/load screen
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if (mode == kFileOpenModeOpenOrCreate || mode == kFileOpenModeCreate) {
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// Suppress creation of the SG file, since it is not necessary
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debugC(kDebugLevelFile, "Not creating unused file %s", name.c_str());
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return SIGNAL_REG;
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} else if (mode == kFileOpenModeOpenOrFail) {
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// Create a virtual file containing the save game description
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// and current score progress, as the game scripts expect.
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int saveNo;
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sscanf(name.c_str(), "%d.SG", &saveNo);
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saveNo += kSaveIdShift;
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SavegameDesc save;
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if (!fillSavegameDesc(g_sci->getSavegameName(saveNo), save)) {
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return SIGNAL_REG;
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}
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Common::String score;
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if (!save.highScore) {
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score = Common::String::format("%u", save.lowScore);
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} else {
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score = Common::String::format("%u%03u", save.highScore, save.lowScore);
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}
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const uint nameLength = Common::strnlen(save.name, kMaxSaveNameLength);
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const uint size = nameLength + /* \r\n */ 2 + score.size();
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byte *buffer = (byte *)malloc(size);
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memcpy(buffer, save.name, nameLength);
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buffer[nameLength] = '\r';
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buffer[nameLength + 1] = '\n';
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memcpy(buffer + nameLength + 2, score.c_str(), score.size());
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const uint handle = findFreeFileHandle(s);
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s->_fileHandles[handle]._in = new Common::MemoryReadStream(buffer, size, DisposeAfterUse::YES);
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s->_fileHandles[handle]._out = nullptr;
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s->_fileHandles[handle]._name = "";
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return make_reg(0, handle);
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}
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} else if (g_sci->getGameId() == GID_MOTHERGOOSEHIRES && name.hasSuffix(".DTA")) {
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// MGDX stores the name and avatar ID in separate %d.DTA files, which
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// are used by the save/load screen
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if (mode == kFileOpenModeOpenOrCreate || mode == kFileOpenModeCreate) {
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// Suppress creation of the DTA file, since it is not necessary
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debugC(kDebugLevelFile, "Not creating unused file %s", name.c_str());
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return SIGNAL_REG;
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} else if (mode == kFileOpenModeOpenOrFail) {
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// Create a virtual file containing the save game description
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// and avatar ID, as the game scripts expect.
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int saveNo;
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// The 4-language release uses a slightly different filename
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// structure that includes the letter of the language at the start
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// of the filename
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const int skip = name.firstChar() < '0' || name.firstChar() > '9';
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if (sscanf(name.c_str() + skip, "%d.DTA", &saveNo) != 1) {
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warning("Could not parse game filename %s", name.c_str());
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}
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saveNo += kSaveIdShift;
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SavegameDesc save;
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if (!fillSavegameDesc(g_sci->getSavegameName(saveNo), save)) {
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return SIGNAL_REG;
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}
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const Common::String avatarId = Common::String::format("%02d", save.avatarId);
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const uint nameLength = Common::strnlen(save.name, kMaxSaveNameLength);
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const uint size = nameLength + /* \r\n */ 2 + avatarId.size() + 1;
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char *buffer = (char *)malloc(size);
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memcpy(buffer, save.name, nameLength);
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buffer[nameLength] = '\r';
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buffer[nameLength + 1] = '\n';
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memcpy(buffer + nameLength + 2, avatarId.c_str(), avatarId.size() + 1);
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const uint handle = findFreeFileHandle(s);
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s->_fileHandles[handle]._in = new Common::MemoryReadStream((byte *)buffer, size, DisposeAfterUse::YES);
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s->_fileHandles[handle]._out = nullptr;
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s->_fileHandles[handle]._name = "";
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return make_reg(0, handle);
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}
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} else if (g_sci->getGameId() == GID_KQ7) {
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// KQ7 creates a temp.tmp file to perform an atomic rewrite of the
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// catalogue, but since we do not create catalogues for most SCI32
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// games, ignore the write
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if (name == "temp.tmp") {
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return make_reg(0, kVirtualFileHandleSci32Save);
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}
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} else if (g_sci->getGameId() == GID_PQSWAT) {
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// PQSWAT tries to create subdirectories for each game profile
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for (Common::String::iterator it = name.begin(); it != name.end(); ++it) {
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if (*it == '\\') {
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*it = '_';
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}
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}
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} else if (g_sci->getGameId() == GID_PHANTASMAGORIA2 && name == "RESDUK.PAT") {
|
|
// Ignore the censorship password file in lieu of our game option
|
|
return SIGNAL_REG;
|
|
} else if (g_sci->getGameId() == GID_RAMA) {
|
|
if (name == "PREF.DAT") {
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
int saveNo = -1;
|
|
if (name == "911.sg" || name == "autorama.sg") {
|
|
saveNo = kAutoSaveId;
|
|
} else if (sscanf(name.c_str(), "ramasg.%d", &saveNo) == 1) {
|
|
saveNo += kSaveIdShift;
|
|
}
|
|
|
|
if (saveNo != -1) {
|
|
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
|
|
const Common::String fileName = g_sci->getSavegameName(saveNo);
|
|
Common::SeekableReadStream *in = nullptr;
|
|
Common::OutSaveFile *out = nullptr;
|
|
bool valid = false;
|
|
|
|
if (mode == kFileOpenModeOpenOrFail) {
|
|
in = saveFileMan->openForLoading(fileName);
|
|
if (in) {
|
|
SavegameMetadata meta;
|
|
if (get_savegame_metadata(in, meta)) {
|
|
Graphics::skipThumbnail(*in);
|
|
valid = true;
|
|
}
|
|
if (meta.version >= 34) {
|
|
g_sci->setTickCount(meta.playTime);
|
|
}
|
|
}
|
|
} else {
|
|
out = saveFileMan->openForSaving(fileName);
|
|
if (out) {
|
|
Common::String saveName;
|
|
if (saveNo == kAutoSaveId) {
|
|
saveName = _("(Autosave)");
|
|
} else {
|
|
saveName = getRamaSaveName(s, saveNo - kSaveIdShift);
|
|
}
|
|
Common::ScopedPtr<Common::SeekableReadStream> versionFile(SearchMan.createReadStreamForMember("VERSION"));
|
|
const Common::String gameVersion = versionFile->readLine();
|
|
set_savegame_metadata(out, saveName, gameVersion);
|
|
valid = true;
|
|
}
|
|
}
|
|
|
|
if (valid) {
|
|
uint handle = findFreeFileHandle(s);
|
|
s->_fileHandles[handle]._in = in;
|
|
s->_fileHandles[handle]._out = out;
|
|
s->_fileHandles[handle]._name = "-scummvm-save-";
|
|
return make_reg(0, handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
// See kMakeSaveCatName
|
|
if (name == "fake.cat") {
|
|
return make_reg(0, kVirtualFileHandleSci32Save);
|
|
}
|
|
|
|
if (isSaveCatalogue(name)) {
|
|
const bool exists = saveCatalogueExists(name);
|
|
if (exists) {
|
|
// KQ7 & RAMA read out game information from catalogues directly
|
|
// instead of using the standard kSaveGetFiles function
|
|
if (name == "kq7cdsg.cat" || name == "ramasg.cat") {
|
|
if (mode == kFileOpenModeOpenOrCreate || mode == kFileOpenModeCreate) {
|
|
// Suppress creation of the catalogue file, since it is not necessary
|
|
debugC(kDebugLevelFile, "Not creating unused file %s", name.c_str());
|
|
return SIGNAL_REG;
|
|
} else if (mode == kFileOpenModeOpenOrFail) {
|
|
const uint handle = findFreeFileHandle(s);
|
|
|
|
if (name == "kq7cdsg.cat") {
|
|
s->_fileHandles[handle]._in = makeCatalogue(10, kMaxSaveNameLength, "", false);
|
|
} else {
|
|
s->_fileHandles[handle]._in = makeCatalogue(100, 20, "ramasg.%d", true);
|
|
}
|
|
s->_fileHandles[handle]._out = nullptr;
|
|
s->_fileHandles[handle]._name = "";
|
|
return make_reg(0, handle);
|
|
}
|
|
}
|
|
|
|
// Dummy handle is used to represent the catalogue and ignore any
|
|
// direct game script writes
|
|
return make_reg(0, kVirtualFileHandleSci32Save);
|
|
} else {
|
|
return SIGNAL_REG;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
debugC(kDebugLevelFile, "kFileIO(open): %s, 0x%x", name.c_str(), mode);
|
|
|
|
if (name.hasPrefix("sciAudio\\")) {
|
|
// fan-made sciAudio extension, don't create those files and instead return a virtual handle
|
|
return make_reg(0, kVirtualFileHandleSciAudio);
|
|
}
|
|
|
|
// QFG import rooms get a virtual filelisting instead of an actual one
|
|
if (g_sci->inQfGImportRoom()) {
|
|
// We need to find out what the user actually selected, "savedHeroes" is
|
|
// already destroyed when we get here. That's why we need to remember
|
|
// selection via kDrawControl.
|
|
name = s->_dirseeker.getVirtualFilename(s->_chosenQfGImportItem);
|
|
unwrapFilename = false;
|
|
}
|
|
|
|
return file_open(s, name, mode, unwrapFilename);
|
|
}
|
|
|
|
reg_t kFileIOClose(EngineState *s, int argc, reg_t *argv) {
|
|
debugC(kDebugLevelFile, "kFileIO(close): %d", argv[0].toUint16());
|
|
|
|
if (argv[0] == SIGNAL_REG)
|
|
return s->r_acc;
|
|
|
|
uint16 handle = argv[0].toUint16();
|
|
|
|
if (handle >= kVirtualFileHandleStart) {
|
|
// it's a virtual handle? ignore it
|
|
return TRUE_REG;
|
|
}
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
if (f) {
|
|
f->close();
|
|
if (getSciVersion() <= SCI_VERSION_0_LATE)
|
|
return s->r_acc; // SCI0 semantics: no value returned
|
|
return TRUE_REG;
|
|
}
|
|
|
|
if (getSciVersion() <= SCI_VERSION_0_LATE)
|
|
return s->r_acc; // SCI0 semantics: no value returned
|
|
return NULL_REG;
|
|
}
|
|
|
|
reg_t kFileIOReadRaw(EngineState *s, int argc, reg_t *argv) {
|
|
uint16 handle = argv[0].toUint16();
|
|
reg_t dest = argv[1];
|
|
uint16 size = argv[2].toUint16();
|
|
int bytesRead = 0;
|
|
byte *buf = new byte[size];
|
|
debugC(kDebugLevelFile, "kFileIO(readRaw): %d, %d", handle, size);
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
if (f) {
|
|
#ifdef ENABLE_SCI32
|
|
SegmentRef destReference = s->_segMan->dereference(dest);
|
|
SegmentObj *destObject = s->_segMan->getSegmentObj(dest.getSegment());
|
|
if (destObject == nullptr) {
|
|
error("kFileIO(readRaw): invalid destination %04x:%04x", PRINT_REG(dest));
|
|
}
|
|
|
|
if (destReference.maxSize == size - 4 && destObject->getType() == SEG_TYPE_ARRAY) {
|
|
// This is an array structure, which starts with the number of
|
|
// elements in the array and the size of each element. Skip
|
|
// these bytes. These structures are stored in the ARC files of
|
|
// the Behind the Developer's Shield and Inside the Chest demos.
|
|
f->_in->skip(4);
|
|
size -= 4;
|
|
}
|
|
#endif
|
|
|
|
bytesRead = f->_in->read(buf, size);
|
|
}
|
|
|
|
if (bytesRead > 0)
|
|
s->_segMan->memcpy(dest, buf, bytesRead);
|
|
|
|
delete[] buf;
|
|
return make_reg(0, bytesRead);
|
|
}
|
|
|
|
reg_t kFileIOWriteRaw(EngineState *s, int argc, reg_t *argv) {
|
|
uint16 handle = argv[0].toUint16();
|
|
uint16 size = argv[2].toUint16();
|
|
|
|
#ifdef ENABLE_SCI32
|
|
if (handle == kVirtualFileHandleSci32Save) {
|
|
return make_reg(0, size);
|
|
}
|
|
#endif
|
|
|
|
char *buf = new char[size];
|
|
uint bytesWritten = 0;
|
|
bool success = false;
|
|
s->_segMan->memcpy((byte *)buf, argv[1], size);
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
if (f) {
|
|
bytesWritten = f->_out->write(buf, size);
|
|
success = !f->_out->err();
|
|
}
|
|
|
|
debugC(kDebugLevelFile, "kFileIO(writeRaw): %d, %d (%d, %d)", handle, size, bytesWritten, success);
|
|
|
|
delete[] buf;
|
|
|
|
if (success) {
|
|
return make_reg(0, bytesWritten);
|
|
}
|
|
return getSciVersion() >= SCI_VERSION_2 ? SIGNAL_REG : NULL_REG;
|
|
}
|
|
|
|
reg_t kFileIOUnlink(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String name = s->_segMan->getString(argv[0]);
|
|
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
|
|
bool result = false;
|
|
|
|
// SQ4 floppy prepends /\ to the filenames
|
|
if (name.hasPrefix("/\\")) {
|
|
name.deleteChar(0);
|
|
name.deleteChar(0);
|
|
}
|
|
|
|
if (g_sci->getGameId() == GID_SQ4 && name.hasPrefix("sq4sg.")) {
|
|
// Special case for SQ4 floppy: This game has hardcoded save game names.
|
|
// They are named "sq4sg.xxx", where xxx is the virtual ID. We construct
|
|
// the appropriate save game name and delete it.
|
|
const int savegameId = atoi(name.c_str() + name.size() - 3) - SAVEGAMEID_OFFICIALRANGE_START;
|
|
name = g_sci->getSavegameName(savegameId);
|
|
result = saveFileMan->removeSavefile(name);
|
|
#ifdef ENABLE_SCI32
|
|
} else if (getSciVersion() >= SCI_VERSION_2) {
|
|
// Special cases for KQ7 & RAMA, basically identical to the SQ4 case
|
|
// above, where the game hardcodes its save game names
|
|
int saveNo;
|
|
if (sscanf(name.c_str(), "kq7cdsg.%d", &saveNo) == 1 ||
|
|
sscanf(name.c_str(), "ramasg.%d", &saveNo) == 1) {
|
|
|
|
name = g_sci->getSavegameName(saveNo + kSaveIdShift);
|
|
} else if (g_sci->getGameId() == GID_RAMA && (name == "911.sg" || name == "autorama.sg")) {
|
|
name = g_sci->getSavegameName(kAutoSaveId);
|
|
}
|
|
|
|
// The file name may be already wrapped, so check both cases
|
|
result = saveFileMan->removeSavefile(name);
|
|
if (!result) {
|
|
const Common::String wrappedName = g_sci->wrapFilename(name);
|
|
result = saveFileMan->removeSavefile(wrappedName);
|
|
}
|
|
#endif
|
|
} else if (g_sci->getGameId() == GID_KQ5 &&
|
|
g_sci->getPlatform() == Common::kPlatformFMTowns &&
|
|
name.hasPrefix("a:\\KQ5sg.")) {
|
|
// KQ5 FM-Towns uses a custom save/restore UI in script 764.
|
|
// It directly deletes save files using a hard-coded path.
|
|
int saveNo = 0;
|
|
sscanf(name.c_str(), "a:\\KQ5sg.%d", &saveNo);
|
|
if (1 <= saveNo && saveNo <= 10) { // UI has ten buttons
|
|
name = g_sci->getSavegameName(saveNo);
|
|
result = saveFileMan->removeSavefile(name);
|
|
}
|
|
} else {
|
|
const Common::String wrappedName = g_sci->wrapFilename(name);
|
|
result = saveFileMan->removeSavefile(wrappedName);
|
|
}
|
|
|
|
debugC(kDebugLevelFile, "kFileIO(unlink): %s", name.c_str());
|
|
|
|
return make_reg(0, result);
|
|
}
|
|
|
|
reg_t kFileIOReadString(EngineState *s, int argc, reg_t *argv) {
|
|
uint16 maxsize = argv[1].toUint16();
|
|
char *buf = new char[maxsize];
|
|
uint16 handle = argv[2].toUint16();
|
|
debugC(kDebugLevelFile, "kFileIO(readString): %d, %d", handle, maxsize);
|
|
uint32 bytesRead;
|
|
|
|
bytesRead = fgets_wrapper(s, buf, maxsize, handle);
|
|
|
|
// Fix up size too large for destination.
|
|
SegmentRef dest_r = s->_segMan->dereference(argv[0]);
|
|
if (!dest_r.isValid()) {
|
|
error("kFileIO(readString): invalid destination %04x:%04x", PRINT_REG(argv[0]));
|
|
} else if ((int)bytesRead > dest_r.maxSize) {
|
|
error("kFileIO(readString) attempting to read %u bytes into buffer of size %u", bytesRead, dest_r.maxSize);
|
|
} else if (maxsize > dest_r.maxSize) {
|
|
maxsize = dest_r.maxSize;
|
|
}
|
|
|
|
s->_segMan->memcpy(argv[0], (const byte*)buf, maxsize);
|
|
delete[] buf;
|
|
return bytesRead ? argv[0] : NULL_REG;
|
|
}
|
|
|
|
reg_t kFileIOWriteString(EngineState *s, int argc, reg_t *argv) {
|
|
int handle = argv[0].toUint16();
|
|
Common::String str = s->_segMan->getString(argv[1]);
|
|
debugC(kDebugLevelFile, "kFileIO(writeString): %d", handle);
|
|
|
|
// Handle sciAudio calls in fanmade games here. sciAudio is an
|
|
// external .NET library for playing MP3 files in fanmade games.
|
|
// It runs in the background, and obtains sound commands from the
|
|
// currently running game via text files (called "conductor files").
|
|
// We skip creating these files, and instead handle the calls
|
|
// directly. Since the sciAudio calls are only creating text files,
|
|
// this is probably the most straightforward place to handle them.
|
|
if (handle == kVirtualFileHandleSciAudio) {
|
|
Common::List<ExecStack>::const_iterator iter = s->_executionStack.reverse_begin();
|
|
iter--; // sciAudio
|
|
iter--; // sciAudio child
|
|
g_sci->_audio->handleFanmadeSciAudio(iter->sendp, s->_segMan);
|
|
return NULL_REG;
|
|
}
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
|
|
if (f && f->_out) {
|
|
uint32 bytesWritten = f->_out->write(str.c_str(), str.size());
|
|
return make_reg(0, bytesWritten);
|
|
}
|
|
|
|
return getSciVersion() >= SCI_VERSION_2 ? SIGNAL_REG : NULL_REG;
|
|
}
|
|
|
|
reg_t kFileIOSeek(EngineState *s, int argc, reg_t *argv) {
|
|
uint16 handle = argv[0].toUint16();
|
|
int16 offset = argv[1].toSint16();
|
|
uint16 whence = argv[2].toUint16();
|
|
debugC(kDebugLevelFile, "kFileIO(seek): %d, %d, %d", handle, offset, whence);
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
|
|
if (f && f->_in) {
|
|
offset = MIN<int16>(offset, f->_in->size());
|
|
const bool success = f->_in->seek(offset, whence);
|
|
if (getSciVersion() >= SCI_VERSION_2) {
|
|
if (success) {
|
|
return make_reg(0, f->_in->pos());
|
|
}
|
|
return SIGNAL_REG;
|
|
}
|
|
return make_reg(0, success);
|
|
} else if (f && f->_out) {
|
|
error("kFileIOSeek: Unsupported seek operation on a writeable stream (offset: %d, whence: %d)", offset, whence);
|
|
}
|
|
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
reg_t kFileIOFindFirst(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String mask = s->_segMan->getString(argv[0]);
|
|
reg_t buf = argv[1];
|
|
int attr = argv[2].toUint16(); // We won't use this, Win32 might, though...
|
|
debugC(kDebugLevelFile, "kFileIO(findFirst): %s, 0x%x", mask.c_str(), attr);
|
|
|
|
// We remove ".*". mask will get prefixed, so we will return all additional files for that gameid
|
|
if (mask == "*.*")
|
|
mask = "*";
|
|
return s->_dirseeker.firstFile(mask, buf, s->_segMan);
|
|
}
|
|
|
|
reg_t kFileIOFindNext(EngineState *s, int argc, reg_t *argv) {
|
|
debugC(kDebugLevelFile, "kFileIO(findNext)");
|
|
return s->_dirseeker.nextFile(s->_segMan);
|
|
}
|
|
|
|
reg_t kFileIOExists(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String name = s->_segMan->getString(argv[0]);
|
|
|
|
if (g_sci->getGameId() == GID_PEPPER) {
|
|
// HACK: Special case for Pepper's Adventure in Time
|
|
// The game checks like crazy for the file CDAUDIO when entering the game menu.
|
|
// On at least Windows that makes the engine slow down to a crawl and takes at least 1 second.
|
|
// Should get solved properly by changing the code below. This here is basically for 1.8.0 release.
|
|
// TODO: Fix this properly.
|
|
if (name == "CDAUDIO")
|
|
return NULL_REG;
|
|
}
|
|
|
|
#ifdef ENABLE_SCI32
|
|
if (getSciVersion() >= SCI_VERSION_2) {
|
|
if (isSaveCatalogue(name)) {
|
|
return saveCatalogueExists(name) ? TRUE_REG : NULL_REG;
|
|
}
|
|
|
|
int findSaveNo = -1;
|
|
if (g_sci->getGameId() == GID_LSL7 && name == "autosvsg.000") {
|
|
// LSL7 checks to see if the autosave save exists when deciding whether
|
|
// to go to the main menu or not on startup
|
|
findSaveNo = kAutoSaveId;
|
|
} else if (g_sci->getGameId() == GID_RAMA) {
|
|
// RAMA checks to see if save game files exist before showing them in
|
|
// the native save/load dialogue
|
|
if (name == "autorama.sg") {
|
|
findSaveNo = kAutoSaveId;
|
|
} else if (sscanf(name.c_str(), "ramasg.%d", &findSaveNo) == 1) {
|
|
findSaveNo += kSaveIdShift;
|
|
}
|
|
}
|
|
|
|
if (findSaveNo != -1) {
|
|
return g_sci->getSaveFileManager()->listSavefiles(g_sci->getSavegameName(findSaveNo)).empty() ? NULL_REG : TRUE_REG;
|
|
}
|
|
// TODO: It may apparently be worth caching the existence of
|
|
// phantsg.dir, and possibly even keeping it open persistently
|
|
}
|
|
#endif
|
|
|
|
if (g_sci->getGameId() == GID_KQ5 && g_sci->getPlatform() == Common::kPlatformFMTowns) {
|
|
// KQ5 FM-Towns uses a custom save/restore UI in script 764.
|
|
// It directly tests for save files using a hard-coded path.
|
|
int saveNo = 0;
|
|
sscanf(name.c_str(), "a:\\KQ5sg.%d", &saveNo);
|
|
if (1 <= saveNo && saveNo <= 10) { // UI has ten buttons
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
return (findSavegame(saves, saveNo) != -1) ? TRUE_REG : NULL_REG;
|
|
}
|
|
}
|
|
|
|
// Check for regular file
|
|
bool exists = Common::File::exists(Common::Path(name));
|
|
|
|
// Check for a savegame with the name
|
|
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
|
|
if (!exists)
|
|
exists = !saveFileMan->listSavefiles(name).empty();
|
|
|
|
// Try searching for the file prepending "target-"
|
|
const Common::String wrappedName = g_sci->wrapFilename(name);
|
|
if (!exists) {
|
|
exists = !saveFileMan->listSavefiles(wrappedName).empty();
|
|
}
|
|
|
|
// SCI2+ debug mode
|
|
if (DebugMan.isDebugChannelEnabled(kDebugLevelDebugMode)) {
|
|
if (!exists && name == "1.scr") // PQ4
|
|
exists = true;
|
|
if (!exists && name == "18.scr") // QFG4
|
|
exists = true;
|
|
if (!exists && name == "99.scr") // GK1, KQ7
|
|
exists = true;
|
|
if (!exists && name == "classes") // GK2, SQ6, LSL7
|
|
exists = true;
|
|
}
|
|
|
|
// GK1 easter egg at the Voodoo Hounfour in script 805. In this easter
|
|
// egg, Gabriel draws a doodle of Jane Jensen in the whiteboard, if the
|
|
// player uses the operate action below the whiteboard's eraser. This
|
|
// easter egg looks for a file named "buster" to be present, so that it
|
|
// is enabled. We always report that this file exists, to unlock the
|
|
// easter egg.
|
|
if (!exists && name == "buster")
|
|
exists = true;
|
|
|
|
// Special case for non-English versions of LSL5: The English version of
|
|
// LSL5 calls kFileIO(), case K_FILEIO_OPEN for reading to check if
|
|
// memory.drv exists (which is where the game's password is stored). If
|
|
// it's not found, it calls kFileIO() again, case K_FILEIO_OPEN for
|
|
// writing and creates a new file. Non-English versions call kFileIO(),
|
|
// case K_FILEIO_FILE_EXISTS instead, and fail if memory.drv can't be
|
|
// found. We create a default memory.drv file with no password, so that
|
|
// the game can continue.
|
|
if (!exists && name == "memory.drv") {
|
|
// Create a new file, and write the bytes for the empty password
|
|
// string inside
|
|
byte defaultContent[] = { 0xE9, 0xE9, 0xEB, 0xE1, 0x0D, 0x0A, 0x31, 0x30, 0x30, 0x30 };
|
|
Common::WriteStream *outFile = saveFileMan->openForSaving(wrappedName);
|
|
for (int i = 0; i < 10; i++)
|
|
outFile->writeByte(defaultContent[i]);
|
|
outFile->finalize();
|
|
exists = !outFile->err(); // check whether we managed to create the file.
|
|
delete outFile;
|
|
}
|
|
|
|
// Special case for KQ6 Mac: The game checks for two video files to see
|
|
// if they exist before it plays them. Since we support multiple naming
|
|
// schemes for resource fork files, we also need to support that here in
|
|
// case someone has a "HalfDome.bin" file, etc.
|
|
if (!exists && g_sci->getGameId() == GID_KQ6 && g_sci->getPlatform() == Common::kPlatformMacintosh &&
|
|
(name == "HalfDome" || name == "Kq6Movie"))
|
|
exists = Common::MacResManager::exists(Common::Path(name));
|
|
|
|
debugC(kDebugLevelFile, "kFileIO(fileExists) %s -> %d", name.c_str(), exists);
|
|
return make_reg(0, exists);
|
|
}
|
|
|
|
reg_t kFileIORename(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String oldName = s->_segMan->getString(argv[0]);
|
|
Common::String newName = s->_segMan->getString(argv[1]);
|
|
|
|
// We don't fully implement all cases that could occur here, and
|
|
// assume the file to be renamed is a wrapped filename.
|
|
// Known usage: In Phant1 and KQ7 while deleting savegames.
|
|
// The scripts rewrite the dir file as a temporary file, and then
|
|
// rename it to the actual dir file.
|
|
|
|
oldName = g_sci->wrapFilename(oldName);
|
|
newName = g_sci->wrapFilename(newName);
|
|
|
|
// Phantasmagoria 1 files are small and interoperable with the
|
|
// original interpreter so they aren't compressed, see file_open().
|
|
bool isCompressed = (g_sci->getGameId() != GID_PHANTASMAGORIA);
|
|
|
|
// SCI1.1 returns 0 on success and a DOS error code on fail. SCI32
|
|
// returns -1 on fail. We just return -1 for all versions.
|
|
if (g_sci->getSaveFileManager()->renameSavefile(oldName, newName, isCompressed))
|
|
return NULL_REG;
|
|
else
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
reg_t kFileIOCopy(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String oldName = s->_segMan->getString(argv[0]);
|
|
Common::String newName = s->_segMan->getString(argv[1]);
|
|
|
|
oldName = g_sci->wrapFilename(oldName);
|
|
newName = g_sci->wrapFilename(newName);
|
|
|
|
// Phantasmagoria 1 files are small and interoperable with the
|
|
// original interpreter so they aren't compressed, see file_open().
|
|
bool isCompressed = (g_sci->getGameId() != GID_PHANTASMAGORIA);
|
|
|
|
// SCI1.1 returns 0 on success and a DOS error code on fail. SCI32
|
|
// returns -1 on fail. We just return -1 for all versions.
|
|
if (g_sci->getSaveFileManager()->copySavefile(oldName, newName, isCompressed))
|
|
return NULL_REG;
|
|
else
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
#ifdef ENABLE_SCI32
|
|
reg_t kFileIOReadByte(EngineState *s, int argc, reg_t *argv) {
|
|
// Read the byte into the low byte of the accumulator
|
|
FileHandle *f = getFileFromHandle(s, argv[0].toUint16());
|
|
if (!f)
|
|
return NULL_REG;
|
|
return make_reg(0, (s->r_acc.toUint16() & 0xff00) | f->_in->readByte());
|
|
}
|
|
|
|
reg_t kFileIOWriteByte(EngineState *s, int argc, reg_t *argv) {
|
|
FileHandle *f = getFileFromHandle(s, argv[0].toUint16());
|
|
if (f) {
|
|
f->_out->writeByte(argv[1].toUint16() & 0xff);
|
|
return make_reg(0, 1); // bytesWritten
|
|
}
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
reg_t kFileIOReadWord(EngineState *s, int argc, reg_t *argv) {
|
|
FileHandle *f = getFileFromHandle(s, argv[0].toUint16());
|
|
if (!f)
|
|
return s->r_acc;
|
|
|
|
reg_t value;
|
|
if (f->_name == "-scummvm-save-") {
|
|
value._segment = f->_in->readUint16LE();
|
|
value._offset = f->_in->readUint16LE();
|
|
} else {
|
|
value = make_reg(0, f->_in->readUint16LE());
|
|
}
|
|
|
|
if (f->_in->err()) {
|
|
return s->r_acc;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
reg_t kFileIOWriteWord(EngineState *s, int argc, reg_t *argv) {
|
|
const uint16 handle = argv[0].toUint16();
|
|
|
|
if (handle == kVirtualFileHandleSci32Save) {
|
|
return make_reg(0, 2); // bytesWritten
|
|
}
|
|
|
|
FileHandle *f = getFileFromHandle(s, handle);
|
|
if (!f) {
|
|
return SIGNAL_REG;
|
|
}
|
|
|
|
if (f->_name == "-scummvm-save-") {
|
|
f->_out->writeUint16LE(argv[1]._segment);
|
|
f->_out->writeUint16LE(argv[1]._offset);
|
|
} else {
|
|
if (argv[1].isPointer()) {
|
|
error("kFileIO(WriteWord): Attempt to write non-number %04x:%04x to non-save file", PRINT_REG(argv[1]));
|
|
}
|
|
f->_out->writeUint16LE(argv[1].toUint16());
|
|
}
|
|
|
|
return make_reg(0, 2); // bytesWritten
|
|
}
|
|
|
|
reg_t kFileIOGetCWD(EngineState *s, int argc, reg_t *argv) {
|
|
SciArray &fileName = *s->_segMan->lookupArray(argv[0]);
|
|
fileName.fromString("C:\\SIERRA\\");
|
|
return argv[0];
|
|
}
|
|
|
|
reg_t kFileIOIsValidDirectory(EngineState *s, int argc, reg_t *argv) {
|
|
// Used in Torin's Passage, LSL7, and RAMA to determine if the directory
|
|
// passed as a parameter (usually the save directory) is valid. We always
|
|
// return true here because we do not use this directory information when
|
|
// saving games.
|
|
return TRUE_REG;
|
|
}
|
|
|
|
#endif
|
|
|
|
// ---- Save operations -------------------------------------------------------
|
|
|
|
#ifdef ENABLE_SCI32
|
|
|
|
reg_t kSave(EngineState *s, int argc, reg_t *argv) {
|
|
if (!s)
|
|
return make_reg(0, getSciVersion());
|
|
error("not supposed to call this");
|
|
}
|
|
|
|
#endif
|
|
|
|
reg_t kSaveGame(EngineState *s, int argc, reg_t *argv) {
|
|
// slot 0 is the ScummVM auto-save slot, which is not used by us, but is
|
|
// still reserved
|
|
enum {
|
|
SAVEGAMESLOT_FIRST = 1,
|
|
SAVEGAMESLOT_LAST = 99
|
|
};
|
|
|
|
Common::String game_id = !argv[0].isNull() ? s->_segMan->getString(argv[0]) : "";
|
|
int16 virtualId = argv[1].toSint16();
|
|
int16 savegameId = -1;
|
|
Common::String game_description;
|
|
Common::String version;
|
|
|
|
if (argc > 3)
|
|
version = s->_segMan->getString(argv[3]);
|
|
|
|
// We check here, we don't want to delete a users save in case we are within a kernel function
|
|
if (s->executionStackBase) {
|
|
warning("kSaveGame - won't save from within kernel function");
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (argv[0].isNull()) {
|
|
// Direct call, from a patched Game::save
|
|
if ((argv[1] != SIGNAL_REG) || (!argv[2].isNull()))
|
|
error("kSaveGame: assumed patched call isn't accurate");
|
|
|
|
// we are supposed to show a dialog for the user and let him choose where to save
|
|
g_sci->_soundCmd->pauseAll(true); // pause music
|
|
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Save game:"), _("Save"), true);
|
|
savegameId = dialog->runModalWithCurrentTarget();
|
|
game_description = dialog->getResultString();
|
|
if (game_description.empty()) {
|
|
// create our own description for the saved game, the user didn't enter it
|
|
game_description = dialog->createDefaultSaveDescription(savegameId);
|
|
}
|
|
delete dialog;
|
|
g_sci->_soundCmd->pauseAll(false); // unpause music (we can't have it paused during save)
|
|
if (savegameId < 0)
|
|
return NULL_REG;
|
|
} else {
|
|
// Real call from script
|
|
if (argv[2].isNull())
|
|
error("kSaveGame: called with description being NULL");
|
|
game_description = s->_segMan->getString(argv[2]);
|
|
if (g_sci->getLanguage() == Common::HE_ISR) {
|
|
Common::U32String u32string = game_description.decode(Common::kWindows1255);
|
|
game_description = u32string.encode(Common::kUtf8);
|
|
} else if (g_sci->getLanguage() == Common::RU_RUS) {
|
|
Common::U32String u32string = game_description.decode(Common::kDos866);
|
|
game_description = u32string.encode(Common::kUtf8);
|
|
};
|
|
|
|
|
|
debug(3, "kSaveGame(%s,%d,%s,%s)", game_id.c_str(), virtualId, game_description.c_str(), version.c_str());
|
|
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
|
|
if ((virtualId >= SAVEGAMEID_OFFICIALRANGE_START) && (virtualId <= SAVEGAMEID_OFFICIALRANGE_END)) {
|
|
// savegameId is an actual Id, so search for it just to make sure
|
|
savegameId = virtualId - SAVEGAMEID_OFFICIALRANGE_START;
|
|
if (findSavegame(saves, savegameId) == -1)
|
|
return NULL_REG;
|
|
} else if (virtualId < SAVEGAMEID_OFFICIALRANGE_START) {
|
|
// virtualId is low, we assume that scripts expect us to create new slot
|
|
switch (g_sci->getGameId()) {
|
|
case GID_JONES:
|
|
// Jones has one save slot only
|
|
savegameId = 0;
|
|
break;
|
|
case GID_KQ5:
|
|
if (g_sci->getPlatform() == Common::kPlatformFMTowns) {
|
|
// KQ5 FM-Towns uses custom save/restore code.
|
|
// Use the provided id.
|
|
savegameId = virtualId;
|
|
// Use a default description, game passes path since it wasn't displayed.
|
|
game_description = Common::String::format("Save %d", savegameId);
|
|
}
|
|
break;
|
|
case GID_QFG3: {
|
|
// Auto-save system used by QFG3
|
|
reg_t autoSaveNameId;
|
|
s->_segMan->allocDynmem(kMaxSaveNameLength, "kSaveGame", &autoSaveNameId);
|
|
MessageTuple autoSaveNameTuple(0, 0, 16, 1);
|
|
s->_msgState->getMessage(0, autoSaveNameTuple, autoSaveNameId);
|
|
Common::String autoSaveName = s->_segMan->getString(autoSaveNameId);
|
|
if (game_description == autoSaveName) {
|
|
savegameId = kAutoSaveId;
|
|
}
|
|
|
|
s->_segMan->freeDynmem(autoSaveNameId);
|
|
break;
|
|
}
|
|
case GID_FANMADE: {
|
|
// Fanmade game, try to identify the game
|
|
const char *gameName = g_sci->getGameObjectName();
|
|
|
|
if (strcmp(gameName, "CascadeQuest") == 0) {
|
|
// Cascade Quest calls us directly to auto-save and uses slot 99,
|
|
// put that save into slot 0 (ScummVM auto-save slot) see bug #7007
|
|
if (virtualId == (SAVEGAMEID_OFFICIALRANGE_START - 1)) {
|
|
savegameId = 0;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (savegameId < 0) {
|
|
// savegameId not set yet
|
|
if (virtualId == s->_lastSaveVirtualId) {
|
|
// if last virtual id is the same as this one, we assume that caller wants to overwrite last save
|
|
savegameId = s->_lastSaveNewId;
|
|
} else {
|
|
uint savegameNr;
|
|
// savegameId is in lower range, scripts expect us to create a new slot
|
|
for (savegameId = SAVEGAMESLOT_FIRST; savegameId <= SAVEGAMESLOT_LAST; savegameId++) {
|
|
for (savegameNr = 0; savegameNr < saves.size(); savegameNr++) {
|
|
if (savegameId == saves[savegameNr].id)
|
|
break;
|
|
}
|
|
if (savegameNr == saves.size()) // Slot not found, seems to be good to go
|
|
break;
|
|
}
|
|
if (savegameId > SAVEGAMESLOT_LAST)
|
|
error("kSavegame: no more savegame slots available");
|
|
}
|
|
}
|
|
|
|
// WORKAROUND: Mothergoose256 has a unique scheme for calculating the current save id
|
|
// and storing it in a global. The SCI1.1 floppy version uses this to auto-save and
|
|
// auto-delete at the end of the game. This is incompatible with our virtual id system
|
|
// so we work around this by setting the game's save global to the virtual id here and
|
|
// also when restoring so that it's always correct. See gamestate_afterRestoreFixUp().
|
|
// Fixes bug #5294
|
|
if (g_sci->getGameId() == GID_MOTHERGOOSE256) {
|
|
s->variables[VAR_GLOBAL][0xB3].setOffset(SAVEGAMEID_OFFICIALRANGE_START + savegameId);
|
|
}
|
|
} else {
|
|
error("kSaveGame: invalid savegameId used");
|
|
}
|
|
|
|
// Save in case caller wants to overwrite last newly created save
|
|
s->_lastSaveVirtualId = virtualId;
|
|
s->_lastSaveNewId = savegameId;
|
|
}
|
|
|
|
if (gamestate_save(s, savegameId, game_description, version)) {
|
|
return TRUE_REG;
|
|
}
|
|
return NULL_REG;
|
|
}
|
|
|
|
reg_t kRestoreGame(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String game_id = !argv[0].isNull() ? s->_segMan->getString(argv[0]) : "";
|
|
int16 savegameId = argv[1].toSint16();
|
|
bool pausedMusic = false;
|
|
|
|
debug(3, "kRestoreGame(%s,%d)", game_id.c_str(), savegameId);
|
|
|
|
if (argv[0].isNull()) {
|
|
// Direct call, either from launcher or from a patched Game::restore
|
|
if (savegameId == -1) {
|
|
// We are supposed to show a dialog for the user and let him choose a saved game.
|
|
// Pause music if necessary. There are script situations where the pause does not
|
|
// get properly released. In that case we don't add another pause here.
|
|
if (!g_sci->_soundCmd->isGlobalPauseActive())
|
|
g_sci->_soundCmd->pauseAll(true);
|
|
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Restore game:"), _("Restore"), false);
|
|
savegameId = dialog->runModalWithCurrentTarget();
|
|
delete dialog;
|
|
if (savegameId < 0) {
|
|
g_sci->_soundCmd->pauseAll(false); // unpause music
|
|
return s->r_acc;
|
|
}
|
|
pausedMusic = true;
|
|
}
|
|
// don't adjust ID of the saved game, it's already correct
|
|
} else {
|
|
if (g_sci->getGameId() == GID_JONES) {
|
|
// Jones has one save slot only
|
|
savegameId = 0;
|
|
} else if (g_sci->getGameId() == GID_KQ5 && g_sci->getPlatform() == Common::kPlatformFMTowns) {
|
|
// KQ5 FM-Towns uses custom save/restore code.
|
|
// Use the provided id.
|
|
} else {
|
|
// Real call from script, we need to adjust ID
|
|
if ((savegameId < SAVEGAMEID_OFFICIALRANGE_START) || (savegameId > SAVEGAMEID_OFFICIALRANGE_END)) {
|
|
warning("Savegame ID %d is not allowed", savegameId);
|
|
return TRUE_REG;
|
|
}
|
|
savegameId -= SAVEGAMEID_OFFICIALRANGE_START;
|
|
}
|
|
}
|
|
|
|
s->r_acc = NULL_REG; // signals success
|
|
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
if (findSavegame(saves, savegameId) == -1) {
|
|
s->r_acc = TRUE_REG;
|
|
warning("Savegame ID %d not found", savegameId);
|
|
} else if (!gamestate_restore(s, savegameId)) {
|
|
s->r_acc = TRUE_REG; // signals failure
|
|
}
|
|
|
|
if (pausedMusic) {
|
|
if (!s->r_acc.isNull()) // no success?
|
|
g_sci->_soundCmd->pauseAll(false); // unpause music
|
|
else
|
|
g_sci->_soundCmd->resetGlobalPauseCounter(); // reset music global pause counter without affecting the individual sounds
|
|
} else if (s->r_acc.isNull() && g_sci->_soundCmd->isGlobalPauseActive()) {
|
|
g_sci->_soundCmd->resetGlobalPauseCounter(); // reset music global pause counter without affecting the individual sounds
|
|
}
|
|
|
|
return s->r_acc;
|
|
}
|
|
|
|
reg_t kGetSaveDir(EngineState *s, int argc, reg_t *argv) {
|
|
#ifdef ENABLE_SCI32
|
|
// SCI32 uses a parameter here. It is used to modify a string, stored in a
|
|
// global variable, so that game scripts store the save directory. We
|
|
// don't really set a save game directory, thus not setting the string to
|
|
// anything is the correct thing to do here.
|
|
//if (argc > 0)
|
|
// warning("kGetSaveDir called with %d parameter(s): %04x:%04x", argc, PRINT_REG(argv[0]));
|
|
#endif
|
|
return s->_segMan->getSaveDirPtr();
|
|
}
|
|
|
|
reg_t kCheckSaveGame(EngineState *s, int argc, reg_t *argv) {
|
|
Common::String game_id = s->_segMan->getString(argv[0]);
|
|
uint16 virtualId = argv[1].toUint16();
|
|
|
|
debug(3, "kCheckSaveGame(%s, %d)", game_id.c_str(), virtualId);
|
|
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
|
|
// we allow 0 (happens in QfG2 when trying to restore from an empty saved game list) and return false in that case
|
|
if (virtualId == 0)
|
|
return NULL_REG;
|
|
|
|
uint savegameId = 0;
|
|
if (g_sci->getGameId() == GID_JONES) {
|
|
// Jones has one save slot only
|
|
} else if (g_sci->getGameId() == GID_KQ5 && g_sci->getPlatform() == Common::kPlatformFMTowns) {
|
|
// KQ5 FM-Towns uses custom save/restore code.
|
|
// Use the provided id.
|
|
savegameId = virtualId;
|
|
} else {
|
|
// Find saved game
|
|
if ((virtualId < SAVEGAMEID_OFFICIALRANGE_START) || (virtualId > SAVEGAMEID_OFFICIALRANGE_END))
|
|
error("kCheckSaveGame: called with invalid savegame ID (%d)", virtualId);
|
|
savegameId = virtualId - SAVEGAMEID_OFFICIALRANGE_START;
|
|
}
|
|
|
|
int savegameNr = findSavegame(saves, savegameId);
|
|
if (savegameNr == -1)
|
|
return NULL_REG;
|
|
|
|
// Check for compatible savegame version
|
|
int ver = saves[savegameNr].version;
|
|
if (ver < MINIMUM_SAVEGAME_VERSION || ver > CURRENT_SAVEGAME_VERSION)
|
|
return NULL_REG;
|
|
|
|
// Otherwise we assume the savegame is OK
|
|
return TRUE_REG;
|
|
}
|
|
|
|
reg_t kGetSaveFiles(EngineState *s, int argc, reg_t *argv) {
|
|
// Scripts ask for current save files, we can assume that if afterwards they ask us to create a new slot they really
|
|
// mean new slot instead of overwriting the old one
|
|
s->_lastSaveVirtualId = SAVEGAMEID_OFFICIALRANGE_START;
|
|
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
uint totalSaves = MIN<uint>(saves.size(), kMaxNumSaveGames);
|
|
|
|
Common::String game_id = s->_segMan->getString(argv[0]);
|
|
|
|
debug(3, "kGetSaveFiles(%s)", game_id.c_str());
|
|
|
|
reg_t *slot = s->_segMan->derefRegPtr(argv[2], totalSaves);
|
|
|
|
if (!slot) {
|
|
warning("kGetSaveFiles: %04X:%04X invalid or too small to hold slot data", PRINT_REG(argv[2]));
|
|
totalSaves = 0;
|
|
}
|
|
|
|
const uint bufSize = (totalSaves * kMaxSaveNameLength) + 1;
|
|
char *saveNames = new char[bufSize];
|
|
char *saveNamePtr = saveNames;
|
|
|
|
for (uint i = 0; i < totalSaves; i++) {
|
|
*slot++ = make_reg(0, saves[i].id + SAVEGAMEID_OFFICIALRANGE_START); // Store the virtual savegame ID (see above)
|
|
Common::strlcpy(saveNamePtr, saves[i].name, kMaxSaveNameLength);
|
|
saveNamePtr += kMaxSaveNameLength;
|
|
}
|
|
|
|
*saveNamePtr = 0; // Terminate list
|
|
|
|
s->_segMan->memcpy(argv[1], (byte *)saveNames, bufSize);
|
|
delete[] saveNames;
|
|
|
|
return make_reg(0, totalSaves);
|
|
}
|
|
|
|
#ifdef ENABLE_SCI32
|
|
|
|
reg_t kSaveGame32(EngineState *s, int argc, reg_t *argv) {
|
|
// fix bug #9752 - make sure that control panel (in case of QFG4),
|
|
// keyboard (in case of Shivers), or any other obstacle (in other unknown SCI32 games...)
|
|
// will be hidden before saving
|
|
kFrameOut(s, 0, NULL);
|
|
|
|
const Common::String gameName = s->_segMan->getString(argv[0]);
|
|
int16 saveNo = argv[1].toSint16();
|
|
Common::String saveDescription = argv[2].isNull() ? "" : s->_segMan->getString(argv[2]);
|
|
const Common::String gameVersion = (argc <= 3 || argv[3].isNull()) ? "" : s->_segMan->getString(argv[3]);
|
|
|
|
debugC(kDebugLevelFile, "Game name %s save %d desc %s ver %s", gameName.c_str(), saveNo, saveDescription.c_str(), gameVersion.c_str());
|
|
|
|
// Display the save prompt for Mac games with native dialogs. Passing
|
|
// zero for the save number would trigger these, but we can't act solely
|
|
// on that since we shift save numbers around to accommodate autosave
|
|
// slots, causing some games to pass zero that normally wouldn't.
|
|
if (g_sci->hasMacSaveRestoreDialogs() && saveNo == 0) {
|
|
saveNo = g_sci->_guestAdditions->runSaveRestore(true, argv[2]);
|
|
if (saveNo == -1) {
|
|
return NULL_REG;
|
|
}
|
|
saveDescription = s->_segMan->getString(argv[2]);
|
|
}
|
|
|
|
// Auto-save system used by Torin and LSL7
|
|
if (gameName == "Autosave" || gameName == "Autosv") {
|
|
if (saveNo == 0) {
|
|
// Autosave slot 0 is the autosave
|
|
} else {
|
|
// Autosave slot 1 is a "new game" save
|
|
saveNo = kNewGameId;
|
|
}
|
|
} else {
|
|
saveNo = shiftSciToScummVMSaveId(saveNo);
|
|
}
|
|
|
|
if (g_sci->getGameId() == GID_PHANTASMAGORIA2 && s->callInStack(g_sci->getGameObject(), SELECTOR(bookMark))) {
|
|
saveNo = kAutoSaveId;
|
|
} else if (g_sci->getGameId() == GID_LIGHTHOUSE && gameName == "rst") {
|
|
saveNo = kNewGameId;
|
|
} else if (g_sci->getGameId() == GID_QFG4) {
|
|
// Auto-save system used by QFG4
|
|
reg_t autoSaveNameId;
|
|
SciArray &autoSaveName = *s->_segMan->allocateArray(kArrayTypeString, 0, &autoSaveNameId);
|
|
MessageTuple autoSaveNameTuple(0, 0, 16, 1);
|
|
s->_msgState->getMessage(0, autoSaveNameTuple, autoSaveNameId);
|
|
|
|
if (saveDescription == autoSaveName.toString()) {
|
|
saveNo = kAutoSaveId;
|
|
}
|
|
|
|
s->_segMan->freeArray(autoSaveNameId);
|
|
}
|
|
|
|
if (gamestate_save(s, saveNo, saveDescription, gameVersion)) {
|
|
return TRUE_REG;
|
|
}
|
|
return NULL_REG;
|
|
}
|
|
|
|
reg_t kRestoreGame32(EngineState *s, int argc, reg_t *argv) {
|
|
const Common::String gameName = s->_segMan->getString(argv[0]);
|
|
int16 saveNo = argv[1].toSint16();
|
|
//const Common::String gameVersion = argv[2].isNull() ? "" : s->_segMan->getString(argv[2]);
|
|
|
|
// Display the restore prompt for Mac games with native dialogs. Passing
|
|
// zero for the save number would trigger these, but we can't act solely
|
|
// on that since we shift save numbers around to accommodate autosave
|
|
// slots, causing some games to pass zero that normally wouldn't.
|
|
if (g_sci->hasMacSaveRestoreDialogs() && saveNo == 0) {
|
|
saveNo = g_sci->_guestAdditions->runSaveRestore(false, NULL_REG, s->_delayedRestoreGameId);
|
|
if (saveNo == -1) {
|
|
return NULL_REG;
|
|
}
|
|
}
|
|
|
|
if (gameName == "Autosave" || gameName == "Autosv") {
|
|
if (saveNo == 0) {
|
|
// Autosave slot 0 is the autosave
|
|
} else {
|
|
// Autosave slot 1 is a "new game" save
|
|
saveNo = kNewGameId;
|
|
}
|
|
} else {
|
|
saveNo = shiftSciToScummVMSaveId(saveNo);
|
|
}
|
|
|
|
if (gamestate_restore(s, saveNo)) {
|
|
return TRUE_REG;
|
|
}
|
|
return NULL_REG;
|
|
}
|
|
|
|
reg_t kCheckSaveGame32(EngineState *s, int argc, reg_t *argv) {
|
|
const Common::String gameName = s->_segMan->getString(argv[0]);
|
|
int16 saveNo = argv[1].toSint16();
|
|
Common::String gameVersion = argv[2].isNull() ? "" : s->_segMan->getString(argv[2]);
|
|
|
|
// If the game version is empty, fall back to loading it from the VERSION file
|
|
if (gameVersion == "") {
|
|
Common::ScopedPtr<Common::SeekableReadStream> versionFile(SearchMan.createReadStreamForMember("VERSION"));
|
|
gameVersion = versionFile ? versionFile->readLine() : "";
|
|
}
|
|
|
|
if (gameName == "Autosave" || gameName == "Autosv") {
|
|
if (saveNo == 1) {
|
|
saveNo = kNewGameId;
|
|
}
|
|
} else {
|
|
saveNo = shiftSciToScummVMSaveId(saveNo);
|
|
}
|
|
|
|
SavegameDesc save;
|
|
if (!fillSavegameDesc(g_sci->getSavegameName(saveNo), save)) {
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (save.version < MINIMUM_SCI32_SAVEGAME_VERSION) {
|
|
warning("Save version %d is below minimum SCI32 savegame version %d", save.version, MINIMUM_SCI32_SAVEGAME_VERSION);
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (save.version > CURRENT_SAVEGAME_VERSION) {
|
|
warning("Save version %d is above maximum SCI32 savegame version %d", save.version, CURRENT_SAVEGAME_VERSION);
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (save.gameVersion != gameVersion && gameVersion != "" && save.gameVersion != "") {
|
|
warning("Save game was created for game version %s, but the current game version is %s", save.gameVersion.c_str(), gameVersion.c_str());
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (save.gameObjectOffset > 0 && save.script0Size > 0) {
|
|
Resource *script0 = g_sci->getResMan()->findResource(ResourceId(kResourceTypeScript, 0), false);
|
|
assert(script0);
|
|
|
|
if (save.script0Size != script0->size()) {
|
|
warning("Save game was created for a game with a script 0 size of %u, but the current game script 0 size is %u", save.script0Size, script0->size());
|
|
return NULL_REG;
|
|
}
|
|
|
|
if (save.gameObjectOffset != g_sci->getGameObject().getOffset()) {
|
|
warning("Save game was created for a game with the main game object at offset %u, but the current main game object offset is %u", save.gameObjectOffset, g_sci->getGameObject().getOffset());
|
|
return NULL_REG;
|
|
}
|
|
}
|
|
|
|
return TRUE_REG;
|
|
}
|
|
|
|
reg_t kGetSaveFiles32(EngineState *s, int argc, reg_t *argv) {
|
|
// argv[0] is gameName, used in SSCI as the name of the save game catalogue
|
|
// but unused here since ScummVM does not support multiple catalogues
|
|
SciArray &descriptions = *s->_segMan->lookupArray(argv[1]);
|
|
SciArray &saveIds = *s->_segMan->lookupArray(argv[2]);
|
|
|
|
Common::Array<SavegameDesc> saves;
|
|
listSavegames(saves);
|
|
|
|
// Normally SSCI limits to 20 games per directory, but ScummVM allows more
|
|
// than that with games that use the standard save-load dialogue
|
|
descriptions.resize(kMaxSaveNameLength * saves.size() + 1, true);
|
|
saveIds.resize(saves.size() + 1, true);
|
|
|
|
for (uint i = 0; i < saves.size(); ++i) {
|
|
const SavegameDesc &save = saves[i];
|
|
char *target = &descriptions.charAt(kMaxSaveNameLength * i);
|
|
// At least Phant2 requires use of strncpy, since it creates save game
|
|
// names of exactly kMaxSaveNameLength
|
|
strncpy(target, save.name, kMaxSaveNameLength);
|
|
int16 sciSaveId = shiftScummVMToSciSaveId(save.id);
|
|
saveIds.setFromInt16(i, sciSaveId);
|
|
}
|
|
|
|
descriptions.charAt(kMaxSaveNameLength * saves.size()) = '\0';
|
|
saveIds.setFromInt16(saves.size(), 0);
|
|
|
|
return make_reg(0, saves.size());
|
|
}
|
|
|
|
reg_t kMakeSaveCatName(EngineState *s, int argc, reg_t *argv) {
|
|
// ScummVM does not use SCI catalogues for save games, but game scripts try
|
|
// to write out catalogues manually after a save game is deleted, so we need
|
|
// to be able to identify and ignore these IO operations by always giving
|
|
// back a fixed catalogue name and then ignoring it in kFileIO
|
|
SciArray &outCatName = *s->_segMan->lookupArray(argv[0]);
|
|
outCatName.fromString("fake.cat");
|
|
return argv[0];
|
|
}
|
|
|
|
reg_t kMakeSaveFileName(EngineState *s, int argc, reg_t *argv) {
|
|
SciArray &outFileName = *s->_segMan->lookupArray(argv[0]);
|
|
// argv[1] is the game name, which is not used by ScummVM
|
|
const int16 saveNo = argv[2].toSint16();
|
|
outFileName.fromString(g_sci->getSavegameName(saveNo + kSaveIdShift));
|
|
return argv[0];
|
|
}
|
|
|
|
reg_t kScummVMSaveLoad(EngineState *s, int argc, reg_t *argv) {
|
|
return g_sci->_guestAdditions->kScummVMSaveLoad(s, argc, argv);
|
|
}
|
|
|
|
#endif
|
|
|
|
} // End of namespace Sci
|