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/* ScummVM - Scumm Interpreter
* Copyright (C) 2005-2006 The ScummVM project
*
* 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.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "base/plugins.h"
#include "common/endian.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/md5.h"
#include "lure/luredefs.h"
#include "lure/lure.h"
namespace Lure {
enum {
// We only compute MD5 of the first kilobyte of our data files.
kMD5FileSizeLimit = 1024
};
struct GameSettings {
const char *gameid;
const char *description;
byte id;
uint32 features;
Common::Language language;
const char *md5sum;
const char *checkFile;
};
//
static const GameSettings lure_games[] = {
{ "lure", "Lure of the Temptress", GI_LURE, GF_FLOPPY, Common::EN_ANY,
"b2a8aa6d7865813a17a3c636e063572e", "disk1.vga" },
/*
{ "lure", "Lure of the Temptress", GI_LURE, GF_FLOPPY, Common::DE_DEU,
"7aa19e444dab1ac7194d9f7a40ffe54a", "disk1.vga" },
{ "lure", "Lure of the Temptress", GI_LURE, GF_FLOPPY, Common::FR_FRA,
"1c94475c1bb7e0e88c1757d3b5377e94", "disk1.vga" },
*/
{ 0, 0, 0, 0, Common::UNK_LANG, 0, 0 }
};
// Keep list of different supported games
static const PlainGameDescriptor lure_list[] = {
{ "lure", "Lure of the Temptress" },
{ 0, 0 }
};
} // End of namespace Lure
using namespace Lure;
GameList Engine_LURE_gameIDList() {
GameList games;
const PlainGameDescriptor *g = lure_list;
while (g->gameid) {
games.push_back(*g);
g++;
}
return games;
}
GameDescriptor Engine_LURE_findGameID(const char *gameid) {
const PlainGameDescriptor *g = lure_list;
while (g->gameid) {
if (0 == scumm_stricmp(gameid, g->gameid))
break;
g++;
}
return GameDescriptor(g->gameid, g->description);
}
GameList Engine_LURE_detectGames(const FSList &fslist) {
GameList detectedGames;
const GameSettings *g;
FSList::const_iterator file;
// Iterate over all files in the given directory
bool isFound = false;
for (file = fslist.begin(); file != fslist.end(); file++) {
if (file->isDirectory())
continue;
for (g = lure_games; g->gameid; g++) {
if (scumm_stricmp(file->name().c_str(), g->checkFile) == 0)
isFound = true;
}
if (isFound)
break;
}
if (file == fslist.end())
return detectedGames;
char md5str[32 + 1];
if (Common::md5_file_string(*file, md5str, kMD5FileSizeLimit)) {
for (g = lure_games; g->gameid; g++) {
if (strcmp(g->md5sum, (char *)md5str) == 0) {
GameDescriptor dg(g->gameid, g->description, g->language);
dg.updateDesc((g->features & GF_FLOPPY) ? "Floppy" : 0);
detectedGames.push_back(dg);
}
}
if (detectedGames.empty()) {
printf("Your game version appears to be unknown. Please, report the following\n");
printf("data to the ScummVM team along with name of the game you tried to add\n");
printf("and its version/language/etc.:\n");
printf(" LURE MD5 '%s'\n\n", md5str);
const PlainGameDescriptor *g1 = lure_list;
while (g1->gameid) {
detectedGames.push_back(*g1);
g1++;
}
}
}
return detectedGames;
}
PluginError Engine_LURE_create(OSystem *syst, Engine **engine) {
assert(engine);
*engine = new LureEngine(syst);
return kNoError;
}
REGISTER_PLUGIN(LURE, "Lure of the Temptress Engine", "Lure of the Temptress (C) Revolution");
namespace Lure {
void LureEngine::detectGame() {
// Make sure all the needed files are present
if (!Common::File::exists(SUPPORT_FILENAME))
error("Missing %s - this is a custom file containing resources from the\n"
"Lure of the Temptress executable. See the documentation for creating it.",
SUPPORT_FILENAME);
for (uint8 fileNum = 1; fileNum <= 4; ++fileNum)
{
char sFilename[10];
sprintf(sFilename, "disk%d.vga", fileNum);
if (!Common::File::exists(sFilename))
error("Missing disk%d.vga", fileNum);
}
// Check the version of the lure.dat file
Common::File f;
if (!f.open(SUPPORT_FILENAME)) {
error("Error opening %s for validation", SUPPORT_FILENAME);
} else {
f.seek(0xbf * 8);
VersionStructure version;
f.read(&version, sizeof(VersionStructure));
f.close();
if (READ_LE_UINT16(&version.id) != 0xffff)
error("Error validating %s - file is invalid or out of date", SUPPORT_FILENAME);
else if ((version.vMajor != LURE_DAT_MAJOR) || (version.vMinor != LURE_DAT_MINOR))
error("Incorrect version of %s file - expected %d.%d but got %d.%d",
SUPPORT_FILENAME, LURE_DAT_MAJOR, LURE_DAT_MINOR,
version.vMajor, version.vMinor);
}
// Do an md5 check
char md5str[32 + 1];
const GameSettings *g;
bool found = false;
*md5str = 0;
for (g = lure_games; g->gameid; g++) {
if (!Common::File::exists(g->checkFile))
continue;
if (!Common::md5_file_string(g->checkFile, md5str, kMD5FileSizeLimit))
continue;
if (strcmp(g->md5sum, (char *)md5str) == 0) {
_features = g->features;
_game = g->id;
_language = g->language;
if (g->description)
g_system->setWindowCaption(g->description);
found = true;
break;
}
}
if (!found) {
debug("Unknown MD5 (%s)! Please report the details (language, platform, etc.) of this game to the ScummVM team", md5str);
_features = GF_LNGUNK || GF_FLOPPY;
_game = GI_LURE;
}
}
} // End of namespace Lure
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