aboutsummaryrefslogtreecommitdiff
path: root/engines/sludge
diff options
context:
space:
mode:
authoryinsimei2017-06-22 12:03:13 +0200
committerEugene Sandulenko2017-07-13 18:27:45 +0200
commit03f43f789c38fc3596f31d1e39759265f60e4bb0 (patch)
tree8567a46214d73e6e358fcbf92e3e3bb812918a0b /engines/sludge
parent52b627bae6f13586f2767d444a3946807b627973 (diff)
downloadscummvm-rg350-03f43f789c38fc3596f31d1e39759265f60e4bb0.tar.gz
scummvm-rg350-03f43f789c38fc3596f31d1e39759265f60e4bb0.tar.bz2
scummvm-rg350-03f43f789c38fc3596f31d1e39759265f60e4bb0.zip
SLUDGE: add fall back detection
Diffstat (limited to 'engines/sludge')
-rw-r--r--engines/sludge/detection.cpp70
1 files changed, 68 insertions, 2 deletions
diff --git a/engines/sludge/detection.cpp b/engines/sludge/detection.cpp
index 2ce5f8f893..67606106c1 100644
--- a/engines/sludge/detection.cpp
+++ b/engines/sludge/detection.cpp
@@ -20,6 +20,7 @@
*
*/
#include "common/debug.h"
+#include "common/stream.h"
#include "engines/advancedDetector.h"
@@ -50,7 +51,18 @@ static const PlainGameDescriptor sludgeGames[] = {
{ "verbcoin", "Verb Coin" },
{ 0, 0 }
};
-
+
+static ADGameDescription s_fallbackDesc = {
+ "",
+ "",
+ AD_ENTRY1(0, 0), // This should always be AD_ENTRY1(0, 0) in the fallback descriptor
+ Common::UNK_LANG,
+ Common::kPlatformWindows,
+ ADGF_NO_FLAGS,
+ GUIO0()
+};
+static char s_fallbackFileNameBuffer[51];
+
#include "sludge/detection_tables.h"
class SludgeMetaEngine : public AdvancedMetaEngine {
@@ -68,7 +80,6 @@ public:
return "Copyright (C) 2000-2014 Hungry Software and contributors";
}
-
virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
const Sludge::SludgeGameDescription *gd = (const Sludge::SludgeGameDescription *)desc;
if (gd) {
@@ -76,8 +87,63 @@ public:
}
return gd != 0;
}
+
+ // for fall back detection
+ virtual const ADGameDescription *fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const;
};
+const ADGameDescription *SludgeMetaEngine::fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const {
+ // reset fallback description
+ s_fallbackDesc.gameId = "sludge";
+ s_fallbackDesc.extra = "";
+ s_fallbackDesc.language = Common::EN_ANY;
+ s_fallbackDesc.flags = ADGF_UNSTABLE;
+ s_fallbackDesc.platform = Common::kPlatformUnknown;
+ s_fallbackDesc.guiOptions = GUIO0();
+
+ for (Common::FSList::const_iterator file = fslist.begin(); file != fslist.end(); ++file) {
+ if (file->isDirectory())
+ continue;
+
+ Common::String fileName = file->getName();
+ fileName.toLowercase();
+ if (!(fileName.hasSuffix(".slg") || fileName == "gamedata"))
+ continue;
+
+ SearchMan.clear();
+ SearchMan.addDirectory(file->getParent().getName(), file->getParent());
+
+ Common::SeekableReadStream *stream = SearchMan.createReadStreamForMember(file->getName());
+
+ if (!stream)
+ continue;
+
+ bool headerBad = false;
+ if (stream->readByte() != 'S')
+ headerBad = true;
+ if (stream->readByte() != 'L')
+ headerBad = true;
+ if (stream->readByte() != 'U')
+ headerBad = true;
+ if (stream->readByte() != 'D')
+ headerBad = true;
+ if (stream->readByte() != 'G')
+ headerBad = true;
+ if (stream->readByte() != 'E')
+ headerBad = true;
+ if (headerBad) {
+ continue;
+ }
+
+ strncpy(s_fallbackFileNameBuffer, fileName.c_str(), 50);
+ s_fallbackFileNameBuffer[50] = '\0';
+ s_fallbackDesc.filesDescriptions[0].fileName = s_fallbackFileNameBuffer;
+
+ return &s_fallbackDesc;;
+ }
+ return 0;
+}
+
#if PLUGIN_ENABLED_DYNAMIC(SLUDGE)
REGISTER_PLUGIN_DYNAMIC(SLUDGE, PLUGIN_TYPE_ENGINE, SludgeMetaEngine);
#else