PEGASUS: Import the MMResourceFile class

3 files changed, 183 insertions, 1 deletions

diff --git a/engines/pegasus/MMShell/Utilities/MMResourceFile.cpp b/engines/pegasus/MMShell/Utilities/MMResourceFile.cpp
new file mode 100755
index 0000000000..dda9a586fc
--- /dev/null
+++ b/engines/pegasus/MMShell/Utilities/MMResourceFile.cpp
@@ -0,0 +1,106 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios
+ *
+ * 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.
+ *
+ */
+
+#include "common/endian.h"
+#include "common/error.h"
+#include "common/macresman.h"
+#include "common/stream.h"
+
+#include "pegasus/MMShell/Utilities/MMResourceFile.h"
+
+namespace Pegasus {
+
+MMResourceFile::MMResourceFile() {
+	_resFork = 0;
+}
+
+MMResourceFile::~MMResourceFile() {
+	if (IsFileOpen())
+		CloseResourceFile();
+}
+
+Common::Error MMResourceFile::UsePathname(const Common::String &str) {
+	if (IsFileOpen())
+		return Common::kUnknownError;
+
+	_fileName = str;
+	return Common::kNoError;
+}
+
+Common::Error MMResourceFile::OpenResourceFile() {
+	if (IsFileOpen() || _fileName.empty())
+		return Common::kUnknownError;
+
+	_resFork = new Common::MacResManager();
+
+	if (!_resFork->open(_fileName)) {
+		delete _resFork; _resFork = 0;
+		return Common::kReadingFailed;
+	}
+
+	return Common::kNoError;
+}
+
+Common::Error MMResourceFile::CloseResourceFile() {
+	if (!IsFileOpen())
+		return Common::kUnknownError;
+
+	delete _resFork;
+	_resFork = 0;
+	return Common::kNoError;
+}
+
+Common::Error MMResourceFile::GetResource(const uint32 type, const tResIDType id, Common::SeekableReadStream *&h) {
+	if (!IsFileOpen())
+		return Common::kUnknownError;
+
+	// Look how well our API fits in!
+	h = _resFork->getResource(type, id);
+	return Common::kNoError;
+}
+
+Common::Error MMResourceFile::GetResource(const uint32 type, const Common::String &name, Common::SeekableReadStream *&h) {
+	if (!IsFileOpen())
+		return Common::kUnknownError;
+
+	// Look how well our API fits in!
+	h = _resFork->getResource(type, name);
+	return Common::kNoError;
+}
+
+Common::Error MMResourceFile::GetCIcon(const tResIDType id, Common::SeekableReadStream *&icon) {
+	Common::Error err = GetResource(MKTAG('c', 'i', 'c', 'n'), id, icon);
+
+	if (err.getCode() != Common::kNoError)
+		return err;
+
+	return (icon == 0) ? Common::kUnknownError : Common::kNoError;
+}
+
+bool MMResourceFile::IsFileOpen() const {
+	return _resFork != 0;
+}
+
+} // End of namespace Pegasus
\ No newline at end of file
diff --git a/engines/pegasus/MMShell/Utilities/MMResourceFile.h b/engines/pegasus/MMShell/Utilities/MMResourceFile.h
new file mode 100755
index 0000000000..6dc70f9b8f
--- /dev/null
+++ b/engines/pegasus/MMShell/Utilities/MMResourceFile.h
@@ -0,0 +1,75 @@
+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1995-1997 Presto Studios
+ *
+ * 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.
+ *
+ */
+
+#ifndef PEGASUS_MMSHELL_UTILITIES_MMRESOURCEFILE
+#define PEGASUS_MMSHELL_UTILITIES_MMRESOURCEFILE
+
+#include "common/str.h"
+
+#include "pegasus/MMShell/MMTypes.h"
+
+namespace Common {
+	class Error;
+	class MacResManager;
+	class SeekableReadStream;
+}
+
+namespace Pegasus {
+
+class MMResourceFile {
+public:
+	MMResourceFile();
+	virtual ~MMResourceFile();
+
+	Common::Error UsePathname(const Common::String &str);
+
+	// For ScummVM, we don't need this function
+	//OSErr MMResourceFile::UseFSSpec(const FSSpec&);
+	
+	virtual Common::Error OpenResourceFile();
+	virtual Common::Error CloseResourceFile();
+	bool IsFileOpen() const;
+	
+	virtual Common::Error GetResource(const uint32 type, const tResIDType id, Common::SeekableReadStream *&h);
+	virtual Common::Error GetResource(const uint32 type, const Common::String &name, Common::SeekableReadStream *&h);
+
+	// This function is unused!
+	//virtual OSErr PutResource(const ResType, const tResIDType, const Common::String &, Handle);
+
+	// For ScummVM, we will be hardcoding the file names so these two functions
+	// do nothing for us
+	//virtual OSErr GetIndString(const tResIDType, const short, Str255&);
+	//virtual OSErr GetIndString(const Str255, const short, Str255&);
+
+	virtual Common::Error GetCIcon(const tResIDType id, Common::SeekableReadStream *&icon);
+
+protected:
+	Common::MacResManager *_resFork;
+	Common::String _fileName;
+};
+
+} // End of namespace Pegasus
+
+#endif
\ No newline at end of file
diff --git a/engines/pegasus/module.mk b/engines/pegasus/module.mk
index 923d96a965..62a2fe9575 100644
--- a/engines/pegasus/module.mk
+++ b/engines/pegasus/module.mk
@@ -10,7 +10,8 @@ MODULE_OBJS = \
 	pegasus.o \
 	sound.o \
 	video.o \
-	Game_Shell/CItem.o
+	Game_Shell/CItem.o \
+	MMShell/Utilities/MMResourceFile.o
 
 
 # This module can be built as a plugin