Made changeCharacter restore the previous open Archive after completing its duties: this fixes known crash when mini-Dino activates robot, and possibly many unknown others.

svn-id: r27684

4 files changed, 20 insertions, 6 deletions

diff --git a/engines/parallaction/archive.cpp b/engines/parallaction/archive.cpp
index b678b6df3c..9eef3f44e9 100644
--- a/engines/parallaction/archive.cpp
+++ b/engines/parallaction/archive.cpp
@@ -37,7 +37,7 @@ namespace Parallaction {
 //  Amiga version of Nippon Safes, and one archive ('fr') in the Amiga Demo of
 //  Nippon Safes used different internal offsets than all the other archives.
 //
-//  When an archive is opened in the Amiga demo, its size is checked against 
+//  When an archive is opened in the Amiga demo, its size is checked against
 //  SIZEOF_SMALL_ARCHIVE to detect when the smaller archive is used.
 //
 //  When an archive is opened in Amiga multi-lingual version, the header is
@@ -72,6 +72,8 @@ void Archive::open(const char *file) {
 	if (!_archive.open(path))
 		error("archive '%s' not found", path);
 
+	_archiveName = file;
+
 	bool isSmallArchive = false;
 	if (_vm->getPlatform() == Common::kPlatformAmiga) {
 		if (_vm->getFeatures() & GF_DEMO) {
@@ -105,8 +107,12 @@ void Archive::close() {
 	resetArchivedFile();
 
 	_archive.close();
+	_archiveName.clear();
 }
 
+Common::String Archive::name() const {
+	return _archiveName;
+}
 
 bool Archive::openArchivedFile(const char *filename) {
 	debugC(3, kDebugDisk, "Archive::openArchivedFile(%s)", filename);
diff --git a/engines/parallaction/disk.cpp b/engines/parallaction/disk.cpp
index 7b11fbbbed..03d33dae37 100644
--- a/engines/parallaction/disk.cpp
+++ b/engines/parallaction/disk.cpp
@@ -90,8 +90,10 @@ void Disk::errorFileNotFound(const char *s) {
 }
 
 
-void Disk::selectArchive(const char *name) {
-	_resArchive.open(name);
+Common::String Disk::selectArchive(const Common::String& name) {
+	Common::String oldName = _resArchive.name();
+	_resArchive.open(name.c_str());
+	return oldName;
 }
 
 void Disk::setLanguage(uint16 language) {
diff --git a/engines/parallaction/disk.h b/engines/parallaction/disk.h
index bfef6d81df..408e1f7c6b 100644
--- a/engines/parallaction/disk.h
+++ b/engines/parallaction/disk.h
@@ -60,6 +60,7 @@ protected:
 	uint32			_fileCursor;
 	uint32			_fileEndOffset;
 
+	Common::String	_archiveName;
 	char 			_archiveDir[MAX_ARCHIVE_ENTRIES][32];
 	uint32			_archiveLenghts[MAX_ARCHIVE_ENTRIES];
 	uint32			_archiveOffsets[MAX_ARCHIVE_ENTRIES];
@@ -74,9 +75,11 @@ protected:
 public:
 	Archive();
 
-	void open(const char *file);
+	void open(const char* file);
 	void close();
 
+	Common::String name() const;
+
 	bool openArchivedFile(const char *name);
 	void closeArchivedFile();
 
@@ -103,7 +106,7 @@ public:
 	Disk(Parallaction *vm);
 	virtual ~Disk();
 
-	void selectArchive(const char *name);
+	Common::String selectArchive(const Common::String &name);
 	void setLanguage(uint16 language);
 
 	virtual Script* loadLocation(const char *name) = 0;
diff --git a/engines/parallaction/parallaction.cpp b/engines/parallaction/parallaction.cpp
index e0291c5a2a..9c16a40fd4 100644
--- a/engines/parallaction/parallaction.cpp
+++ b/engines/parallaction/parallaction.cpp
@@ -759,7 +759,7 @@ void Parallaction::changeCharacter(const char *name) {
 		// character for sanity before memory is freed
 		freeCharacter();
 
-		_disk->selectArchive((_vm->getPlatform() == Common::kPlatformAmiga) ? "disk0" : "disk1");
+		Common::String oldArchive = _disk->selectArchive((_vm->getPlatform() == Common::kPlatformAmiga) ? "disk0" : "disk1");
 		_vm->_char._ani._cnv = _disk->loadFrames(fullName);
 
 		if (!IS_DUMMY_CHARACTER(name)) {
@@ -774,6 +774,9 @@ void Parallaction::changeCharacter(const char *name) {
 			if (!(getFeatures() & GF_DEMO))
 				parseLocation("common");
 		}
+
+		if (!oldArchive.empty())
+			_disk->selectArchive(oldArchive);
 	}
 
 	strcpy(_characterName1, fullName);