GOB: Add SoundDesc::swap()

svn-id: r55564

2 files changed, 18 insertions, 3 deletions

diff --git a/engines/gob/sound/sounddesc.cpp b/engines/gob/sound/sounddesc.cpp
index 9df8bbb4bc..8903597bb0 100644
--- a/engines/gob/sound/sounddesc.cpp
+++ b/engines/gob/sound/sounddesc.cpp
@@ -53,6 +53,19 @@ SoundDesc::~SoundDesc() {
 	free();
 }
 
+void SoundDesc::swap(SoundDesc &desc) {
+	SWAP(_repCount  , desc._repCount);
+	SWAP(_frequency , desc._frequency);
+	SWAP(_flag      , desc._flag);
+	SWAP(_id        , desc._id);
+	SWAP(_mixerFlags, desc._mixerFlags);
+	SWAP(_resource  , desc._resource);
+	SWAP(_data      , desc._data);
+	SWAP(_dataPtr   , desc._dataPtr);
+	SWAP(_size      , desc._size);
+	SWAP(_type      , desc._type);
+}
+
 void SoundDesc::set(SoundType type, byte *data, uint32 dSize) {
 	free();
 
diff --git a/engines/gob/sound/sounddesc.h b/engines/gob/sound/sounddesc.h
index 9e5d20e138..07eb73e7c8 100644
--- a/engines/gob/sound/sounddesc.h
+++ b/engines/gob/sound/sounddesc.h
@@ -46,6 +46,11 @@ public:
 	int16 _id;
 	byte _mixerFlags;
 
+	SoundDesc();
+	~SoundDesc();
+
+	void swap(SoundDesc &desc);
+
 	byte *getData() { return _dataPtr; }
 
 	uint32    size()         const { return _size;     }
@@ -66,9 +71,6 @@ public:
 	int16 calcFadeOutLength(int16 frequency);
 	uint32 calcLength(int16 repCount, int16 frequency, bool fade);
 
-	SoundDesc();
-	~SoundDesc();
-
 private:
 	Resource *_resource;
 	byte *_data;