[Scummvm-cvs-logs] scummvm master -> 145b0d83df1cbf6caecb61b5641bdf732fcf80e0

[fuzzie]

This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://github.com/scummvm/scummvm .

Summary:
145b0d83df PARALLACTION: Use signed math in fadeTo.


Commit: 145b0d83df1cbf6caecb61b5641bdf732fcf80e0
    https://github.com/scummvm/scummvm/commit/145b0d83df1cbf6caecb61b5641bdf732fcf80e0
Author: Alyssa Milburn (fuzzie at fuzzie.org)
Date: 2011-02-16T07:00:44-08:00

Commit Message:
PARALLACTION: Use signed math in fadeTo.

This fixes corruption during fades when low palette values end up negative.

Changed paths:
    engines/parallaction/graphics.cpp



diff --git a/engines/parallaction/graphics.cpp b/engines/parallaction/graphics.cpp
index 259ad84..79993a2 100644
--- a/engines/parallaction/graphics.cpp
+++ b/engines/parallaction/graphics.cpp
@@ -152,9 +152,9 @@ void Palette::fadeTo(const Palette& target, uint step) {
 		if (_data[i] == target._data[i]) continue;
 
 		if (_data[i] < target._data[i])
-			_data[i] = CLIP(_data[i] + step, (uint)0, (uint)target._data[i]);
+			_data[i] = CLIP(_data[i] + (int)step, (int)0, (int)target._data[i]);
 		else
-			_data[i] = CLIP(_data[i] - step, (uint)target._data[i], (uint)255);
+			_data[i] = CLIP(_data[i] - (int)step, (int)target._data[i], (int)255);
 	}
 
 	return;