Add support for getting a resource from the resource fork by name.

svn-id: r49004

2 files changed, 21 insertions, 0 deletions

diff --git a/common/macresman.cpp b/common/macresman.cpp
index f36f8b2fe3..fd17944fa9 100644
--- a/common/macresman.cpp
+++ b/common/macresman.cpp
@@ -381,6 +381,20 @@ Common::SeekableReadStream *MacResManager::getResource(uint32 typeID, uint16 res
 	return _stream->readStream(len);
 }
 
+Common::SeekableReadStream *MacResManager::getResource(Common::String filename) {
+	for (uint32 i = 0; i < _resMap.numTypes; i++) {
+		for (uint32 j = 0; j < _resTypes[i].items; j++) {
+			if (_resLists[i][j].nameOffset != -1 && filename.equalsIgnoreCase(_resLists[i][j].name)) {
+				_stream->seek(_dataOffset + _resLists[i][j].dataOffset);
+				uint32 len = _stream->readUint32BE();
+				return _stream->readStream(len);
+			}
+		}
+	}
+
+	return 0;
+}
+
 void MacResManager::readMap() {
 	_stream->seek(_mapOffset + 22);
 
diff --git a/common/macresman.h b/common/macresman.h
index 4afd2eebab..5cd39cae26 100644
--- a/common/macresman.h
+++ b/common/macresman.h
@@ -61,6 +61,13 @@ public:
 	 */
 	Common::SeekableReadStream *getResource(uint32 typeID, uint16 resID);
 
+	/**
+	 * Read resource from the Mac Binary file
+	 * @param filename filename of the resource
+	 * @return Pointer to a SeekableReadStream with loaded resource
+	 */
+	Common::SeekableReadStream *getResource(Common::String filename);
+
 	Common::SeekableReadStream *getDataFork();
 	Common::String getResName(uint32 typeID, uint16 resID);
 	uint32 getResForkSize();