Logo Search packages:      
Sourcecode: scummvm version File versions

savefilemgr.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-0-13-0/backends/platform/ps2/savefilemgr.cpp $
 * $Id: savefilemgr.cpp 35648 2009-01-01 15:06:43Z sev $
 *
 */

#include <tamtypes.h>
#include <kernel.h>
#include <sifrpc.h>
#include <loadfile.h>
#include <fileio.h>
#include <malloc.h>
#include <ucl/ucl.h>
#include <libmc.h>
#include "backends/platform/ps2/savefile.h"
#include "backends/platform/ps2/Gs2dScreen.h"
#include "backends/platform/ps2/systemps2.h"
#include "backends/fs/abstract-fs.h"
#include "backends/platform/ps2/ps2debug.h"

#include "common/scummsys.h"

#include "backends/platform/ps2/savefilemgr.h"
#include "backends/platform/ps2/savefile.h"

extern void *_gp;

#define PORT 0
#define SLOT 0
// port 0, slot 0: memory card in first slot.

McAccess::McAccess(int port, int slot) {
      _port = port;
      _slot = slot;
      ee_sema_t newSema;
      newSema.init_count = 1;
      newSema.max_count = 1;
      _sema = CreateSema(&newSema);

      assert(mcInit(MC_TYPE_MC) >= 0);
}

McAccess::~McAccess(void) {
      DeleteSema(_sema);
}

int McAccess::open(const char *name, int mode) {
      int res;
      WaitSema(_sema);
      mcOpen(_port, _slot, name, mode);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::close(int fd) {
      int res;
      WaitSema(_sema);
      mcClose(fd);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::size(int fd) {
      int res, size;
      WaitSema(_sema);
      mcSeek(fd, 0, SEEK_END);
      mcSync(0, NULL, &size);
      mcSeek(fd, 0, SEEK_SET);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      assert(res == 0);
      return size;
}

int McAccess::read(int fd, void *buf, int size) {
      int res;
      WaitSema(_sema);
      mcRead(fd, buf, size);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::write(int fd, const void *buf, int size) {
      int res;
      WaitSema(_sema);
      mcWrite(fd, buf, size);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::mkDir(const char *name) {
      int res;
      WaitSema(_sema);
      mcMkDir(_port, _slot, name);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::remove(const char *name) {
      int res;
      WaitSema(_sema);
      mcDelete(_port, _slot, name);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::getDir(const char *name, unsigned int mode, int max, void *dest) {
      int res;
      WaitSema(_sema);
      mcGetDir(_port, _slot, name, mode, max, (mcTable*)dest);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

int McAccess::getInfo(int *type, int *free, int *format) {
      int res;
      WaitSema(_sema);
      mcGetInfo(_port, _slot, type, free, format);
      mcSync(0, NULL, &res);
      SignalSema(_sema);
      return res;
}

#define MAX_MC_ENTRIES  16

void runSaveThread(Ps2SaveFileManager *param);

Ps2SaveFileManager::Ps2SaveFileManager(OSystem_PS2 *system, Gs2dScreen *screen) {
      _system = system;
      _screen = screen;
      _mc = new McAccess(PORT, SLOT);

      _mcDirList = (mcTable*)memalign(64, MAX_MC_ENTRIES * sizeof(mcTable));
      _mcDirName[0] = '\0';
      _mcCheckTime = 0;
      _mcNeedsUpdate = true;

      for (int mcCheckCount = 0; mcCheckCount < 3; mcCheckCount++) {
            /* retry mcGetInfo 3 times. It slows down startup without mc considerably,
               but cheap 3rd party memory cards apparently fail to get detected once in a while */

            int mcType, mcFree, mcFormat;
            int res = _mc->getInfo(&mcType, &mcFree, &mcFormat);

            if ((res == 0) || (res == -1)) { // mc okay
                  _mcPresent = true;
                  printf("MC okay, result = %d. Type %d, Free %d, Format %d\n", res, mcType, mcFree, mcFormat);
                  checkMainDirectory();
                  break;
            } else {
                  _mcPresent = false;
                  printf("MC failed, not present or not formatted, code %d\n", res);
            }
      }

      // create save thread
      ee_sema_t newSema;
      newSema.init_count = 0;
      newSema.max_count = 1;
      _autoSaveSignal = CreateSema(&newSema);
      _autoSaveBuf = NULL;
      _autoSaveSize = 0;
      _systemQuit = false;

      ee_thread_t saveThread, thisThread;
      ReferThreadStatus(GetThreadId(), &thisThread);

      saveThread.initial_priority = thisThread.current_priority + 1;
      saveThread.stack_size = 8 * 1024;
      _autoSaveStack = malloc(saveThread.stack_size);
      saveThread.stack  = _autoSaveStack;
      saveThread.func   = (void *)runSaveThread;
      saveThread.gp_reg = &_gp;

      _autoSaveTid = CreateThread(&saveThread);
      assert(_autoSaveTid >= 0);
      StartThread(_autoSaveTid, this);
}

Ps2SaveFileManager::~Ps2SaveFileManager(void) {
}

void Ps2SaveFileManager::checkMainDirectory(void) {
      // verify that the main directory (scummvm config + icon) exists
      int ret, fd;
      _mcNeedsUpdate = true;
      ret = _mc->getDir("/ScummVM/*", 0, MAX_MC_ENTRIES, _mcDirList);
      printf("/ScummVM/* res = %d\n", ret);
      if (ret <= 0) { // assume directory doesn't exist
            printf("Dir doesn't exist\n");
            ret = _mc->mkDir("/ScummVM");
            if (ret >= 0) {
                  fd = _mc->open("/ScummVM/scummvm.icn", O_WRONLY | O_CREAT);
                  if (fd >= 0) {
                        uint16 icoSize;
                        uint16 *icoBuf = decompressIconData(&icoSize);
                        ret = _mc->write(fd, icoBuf, icoSize * 2);
                        _mc->close(fd);
                        free(icoBuf);

                        printf(".icn written\n");
                        setupIcon("/ScummVM/icon.sys", "scummvm.icn", "ScummVM", "Configuration");
                  } else
                        printf("Can't create icon file: %d\n", fd);
            } else
                  printf("can't create scummvm directory: %d\n", ret);
      }
}

void Ps2SaveFileManager::splitPath(const char *fileName, char *dir, char *name) {
      strcpy(dir, fileName);
      char *ext = strchr(dir, '.');
      if (ext) {
            *ext = '\0';
            ext++;
      }
      if (ext && *ext)
            sprintf(name, "%s.ucl", ext);
      else
            strcpy(name, "save.ucl");
}

bool Ps2SaveFileManager::mcReadyForDir(const char *dir) {
      if (_mcNeedsUpdate || ((_system->getMillis() - _mcCheckTime) > 2000) || !_mcPresent) {
            // check if memory card was exchanged/removed in the meantime
            int mcType, mcFree, mcFormat, mcResult;
            mcResult = _mc->getInfo(&mcType, &mcFree, &mcFormat);
            if (mcResult != 0) { // memory card was exchanged
                  _mcNeedsUpdate = true;
                  if (mcResult == -1) { // yes, it was exchanged
                        checkMainDirectory(); // make sure ScummVM dir and icon are there
                  } else { // no memorycard in slot or not formatted or something like that
                        _mcPresent = false;
                        printf("MC not found, error code %d\n", mcResult);
                        return false;
                  }
            }
            _mcPresent = true;
            _mcCheckTime = _system->getMillis();
      }
      if (_mcNeedsUpdate || strcmp(_mcDirName, dir)) {
            strcpy(_mcDirName, dir);
            char dirStr[256];
            sprintf(dirStr, "/ScummVM-%s/*", dir);
            _mcEntries = _mc->getDir(dirStr, 0, MAX_MC_ENTRIES, _mcDirList);
            _mcNeedsUpdate = false;
      }
      return (_mcEntries >= 0);
}

Common::InSaveFile *Ps2SaveFileManager::openForLoading(const char *filename) {
      _screen->wantAnim(true);

      char dir[256], name[256];
      splitPath(filename, dir, name);
      printf("openForLoading: \"%s\" => \"%s\" + \"%s\"\n", filename, dir, name);
      if (mcReadyForDir(dir)) {
            printf("Ready\n");
            bool fileExists = false;
            for (int i = 0; i < _mcEntries; i++)
                  if (strcmp(name, (char*)_mcDirList[i].name) == 0)
                        fileExists = true;
            if (fileExists) {
                  printf("Found!\n");
                  char fullName[256];
                  sprintf(fullName, "/ScummVM-%s/%s", dir, name);
                  UclInSaveFile *file = new UclInSaveFile(fullName, _screen, _mc);
                  if (file) {
                        if (!file->ioFailed())
                              return file;
                        else {
                              printf("IoFailed\n");
                              delete file;
                        }
                  }
            } else
                  printf("file %s (%s) doesn't exist\n", filename, name);
      }
      _screen->wantAnim(false);
      return NULL;
}

Common::OutSaveFile *Ps2SaveFileManager::openForSaving(const char *filename) {
      int res;
      char dir[256], name[256];

      _screen->wantAnim(true);
      splitPath(filename, dir, name);

      if (!mcReadyForDir(dir)) {
            if (_mcPresent) { // directory doesn't seem to exist yet
                  char fullPath[256];
                  sprintf(fullPath, "/ScummVM-%s", dir);
                  res = _mc->mkDir(fullPath);

                  char icoSysDest[256], saveDesc[256];
                  sprintf(icoSysDest, "%s/icon.sys", fullPath);
                  strcpy(saveDesc, dir);
                  if ((saveDesc[0] >= 'a') && (saveDesc[0] <= 'z'))
                        saveDesc[0] += 'A' - 'a';
                  setupIcon(icoSysDest, "../ScummVM/scummvm.icn", saveDesc, "Savegames");
            }
      }

      if (_mcPresent) {
            char fullPath[256];
            sprintf(fullPath, "/ScummVM-%s/%s", dir, name);
            if (strstr(filename, ".s00") || strstr(filename, ".ASD") || strstr(filename, ".asd")) {
                  // this is an autosave
                  AutoSaveFile *file = new AutoSaveFile(this, fullPath);
                  return file;
            } else {
                  UclOutSaveFile *file = new UclOutSaveFile(fullPath, _system, _screen, _mc);
                  if (!file->ioFailed()) {
                        // we're creating a file, mc will have to be updated next time
                        _mcNeedsUpdate = true;
                        return file;
                  } else {
                        printf("UCL out create failed!\n");
                        delete file;
                  }
            }
      }

      _screen->wantAnim(false);
      return NULL;
}

void Ps2SaveFileManager::listSavefiles(const char *prefix, bool *marks, int num) {
      _screen->wantAnim(true);

      int mcType, mcFree, mcFormat, mcResult;
      mcResult = _mc->getInfo(&mcType, &mcFree, &mcFormat);

      memset(marks, false, num * sizeof(bool));

      if ((mcResult == 0) || (mcResult == -1)) {
            // there's a memory card in the slot.
            if (mcResult == -1)
                  _mcNeedsUpdate = true;

            mcTable *mcEntries = (mcTable*)memalign(64, sizeof(mcTable) * MAX_MC_ENTRIES);

            char dirStr[256], ext[256], mcSearchStr[256];
            strcpy(dirStr, prefix);
            char *pos = strchr(dirStr, '.');
            if (pos) {
                  strcpy(ext, pos + 1);
                  *pos = '\0';
            } else
                  ext[0] = '\0';
            sprintf(mcSearchStr, "/ScummVM-%s/%s*", dirStr, ext);

            int numEntries = _mc->getDir(mcSearchStr, 0, MAX_MC_ENTRIES, mcEntries);

            int searchLen = strlen(ext);
            for (int i = 0; i < numEntries; i++)
                  if ((((char*)mcEntries[i].name)[0] != '.') && stricmp((char*)mcEntries[i].name, "icon.sys")) {
                        char *stopCh;
                        int destNum = (int)strtoul((char*)mcEntries[i].name + searchLen, &stopCh, 10);
                        if ((!stopCh) || strcmp(stopCh, ".ucl"))
                              printf("unexpected end %s in name %s, search %s\n", stopCh, (char*)mcEntries[i].name, prefix);
                        if (destNum < num)
                              marks[destNum] = true;
                  }
            free(mcEntries);
      }
      _screen->wantAnim(false);
}

Common::StringList Ps2SaveFileManager::listSavefiles(const char *regex) {
      _screen->wantAnim(true);
      Common::StringList results;
      int mcType, mcFree, mcFormat, mcResult;

      printf("listSavefiles -> regex=%s\n", regex);

      mcResult = _mc->getInfo(&mcType, &mcFree, &mcFormat);

      if ((mcResult == 0) || (mcResult == -1)) {
            // there's a memory card in the slot.
            if (mcResult == -1)
                  _mcNeedsUpdate = true;

            mcTable *mcEntries = (mcTable*)memalign(64, sizeof(mcTable) * MAX_MC_ENTRIES);

            char temp[256], mcSearchStr[256], *dir, *ext;
            strcpy(temp, regex);
            dir = strdup(strtok(temp, "."));
            ext = strdup(strtok(NULL, "*"));

            printf("dir = %s - ext = %s\n", dir, ext);

            sprintf(mcSearchStr, "/ScummVM-%s/%s*", dir, ext);

            int numEntries = _mc->getDir(mcSearchStr, 0, MAX_MC_ENTRIES, mcEntries);
            char *name;
        for (int i = 0; i < numEntries; i++) {
                  name = (char*)mcEntries[i].name;

            if ((name[0] != '.') && stricmp(name, "icon.sys")) {
                        printf(" name = %s\n", (char*)mcEntries[i].name);
                        if (Common::matchString(name, "s*.ucl")) {
                              sprintf(temp, "%s.%s%c%c", dir, ext, name[1], name[2]);
                              results.push_back(temp);
                              printf("  -> match [%s] ;-)\n", temp);
                        }
                        else {
                              results.push_back(name); // ;-)
                              printf("  -> no match :-(\n");
                        }
                  }
            }
            free(mcEntries);
            free(dir);
            free(ext);
    }

    _screen->wantAnim(false);

      return results;
}

bool Ps2SaveFileManager::removeSavefile(const char *filename) {

      char dir[64], name[64], fullPath[128];

      splitPath(filename, dir, name);
      sprintf(fullPath, "/ScummVM-%s/%s", dir, name);

      int res = _mc->remove(fullPath);
      return (res == 0);
}

const char *Ps2SaveFileManager::getSavePath(void) const {
      return "mc0:";
}

bool Ps2SaveFileManager::setupIcon(const char *dest, const char *ico, const char *descr1, const char *descr2) {
      mcIcon icon_sys;
      memset(&icon_sys, 0, sizeof(mcIcon));
      memcpy(icon_sys.head, "PS2D", 4);
      char title[256];
      if (!stricmp("SAVEGAME", descr1)) { // these are broken sword 1 savegames
            sprintf(title, "BSword1\n%s", descr2);
            icon_sys.nlOffset = 8;
      } else {
            sprintf(title, "%s\n%s", descr1, descr2);
            icon_sys.nlOffset = strlen(descr1) + 1;
      }
      strcpy_sjis((short*)&(icon_sys.title), title);
      icon_sys.trans = 0x10;
      memcpy(icon_sys.bgCol, _bgcolor, sizeof(_bgcolor));
      memcpy(icon_sys.lightDir, _lightdir, sizeof(_lightdir));
      memcpy(icon_sys.lightCol, _lightcol, sizeof(_lightcol));
      memcpy(icon_sys.lightAmbient, _ambient, sizeof(_ambient));
      strcpy((char*)icon_sys.view, ico);
      strcpy((char*)icon_sys.copy, ico);
      strcpy((char*)icon_sys.del, ico);

      int fd, res;
      fd = _mc->open(dest, O_WRONLY | O_CREAT);
      if (fd >= 0) {
            res = _mc->write(fd, &icon_sys, sizeof(icon_sys));
            _mc->close(fd);
        return (res == sizeof(icon_sys));
      } else
            return false;
}

uint16 *Ps2SaveFileManager::decompressIconData(uint16 *size) {
      uint16 inPos = 1;
      uint16 *rleData = (uint16*)_rleIcoData;
      uint16 resSize = rleData[0];
      uint16 *resData = (uint16*)malloc(resSize * sizeof(uint16));
      uint16 outPos = 0;
      while (outPos < resSize) {
            uint16 len = rleData[inPos++];
            while (len--)
                  resData[outPos++] = 0x7FFF;
            len = rleData[inPos++];
            while (len--)
                  resData[outPos++] = rleData[inPos++];
      }
      *size = resSize;
      assert(outPos == resSize);
      return resData;
}

void runSaveThread(Ps2SaveFileManager *param) {
      param->saveThread();
}

void Ps2SaveFileManager::writeSaveNonblocking(char *name, void *buf, uint32 size) {
      if (buf && size && !_systemQuit) {
            strcpy(_autoSaveName, name);
            assert(!_autoSaveBuf);
            _autoSaveBuf = (uint8*)malloc(size);
            memcpy(_autoSaveBuf, buf, size);
            _autoSaveSize = size;
            SignalSema(_autoSaveSignal);
      }
}

void Ps2SaveFileManager::saveThread(void) {
      while (!_systemQuit) {
            WaitSema(_autoSaveSignal);
            if (_autoSaveBuf && _autoSaveSize) {
                  UclOutSaveFile *outSave = new UclOutSaveFile(_autoSaveName, _system, _screen, _mc);
                  if (!outSave->ioFailed()) {
                        outSave->write(_autoSaveBuf, _autoSaveSize);
                        outSave->flush();
                  }
                  if (outSave->ioFailed())
                        _system->msgPrintf(5000, "Writing autosave to %s failed", _autoSaveName);
                  delete outSave;
                  free(_autoSaveBuf);
                  _autoSaveBuf = NULL;
                  _autoSaveSize = 0;
                  _mcNeedsUpdate = true; // we've created a file, mc will have to be updated
                  _screen->wantAnim(false);
            }
      }
      ExitThread();
}

void Ps2SaveFileManager::quit(void) {
      _systemQuit = true;
      ee_thread_t statSave, statThis;
      ReferThreadStatus(GetThreadId(), &statThis);
      ChangeThreadPriority(_autoSaveTid, statThis.current_priority - 1);

      do {  // wait until thread called ExitThread()
            SignalSema(_autoSaveSignal);
            ReferThreadStatus(_autoSaveTid, &statSave);
      } while (statSave.status != 0x10);

      DeleteThread(_autoSaveTid);
    free(_autoSaveStack);
}

McAccess *Ps2SaveFileManager::getMcAccess(void) {
      return _mc;
}



Generated by  Doxygen 1.6.0   Back to index