- Renamed BitBuffer to MaskBuffer

- Added PathBuffer to handle 1-bit buffers for walkable areas
- Changed relevant walk code to use PathBuffer objects for querying screen dimensions.

svn-id: r28478

1 files changed, 6 insertions, 8 deletions

diff --git a/engines/parallaction/graphics.h b/engines/parallaction/graphics.h
index 66eb5b9f39..499b3a4834 100644
--- a/engines/parallaction/graphics.h
+++ b/engines/parallaction/graphics.h
@@ -146,12 +146,9 @@ enum Fonts {
 	kFontMenu = 2
 };
 
-struct BitBuffer {
+struct MaskBuffer {
 	// handles a 2-bit depth buffer used for z-buffering
 
-	// TODO: generalize to handle 1-bit buffers, so that
-	// path buffers can be handled as well (use templates?)
-
 	uint16	w;
 	uint16  internalWidth;
 	uint16	h;
@@ -159,10 +156,10 @@ struct BitBuffer {
 	byte	*data;
 
 public:
-	BitBuffer() : w(0), internalWidth(0), h(0), data(0) {
+	MaskBuffer() : w(0), internalWidth(0), h(0), data(0) {
 	}
 
-	~BitBuffer() {
+	~MaskBuffer() {
 		free();
 	}
 
@@ -220,7 +217,7 @@ public:
 
 	// location
 	void setBackground(Graphics::Surface *surf);
-	void setMask(BitBuffer *buffer);
+	void setMask(MaskBuffer *buffer);
 	int16 queryMask(int16 v);
 	void intGrottaHackMask();
 	void restoreBackground(const Common::Rect& r);
@@ -274,7 +271,7 @@ public:
 protected:
 	Parallaction*		_vm;
 	Graphics::Surface	*_buffers[NUM_BUFFERS];
-	BitBuffer			*_depthMask;
+	MaskBuffer			*_depthMask;
 	static byte			_mouseArrow[256];
 	StaticCnv			*_mouseComposedArrow;
 	Font				*_font;
@@ -295,3 +292,4 @@ protected:
 
 #endif
 
+