TOON: Reduced fragmentation by using a fixed value for pathfinding allocation

Toon makes some rather big allocations for pathfinding, alternating between 3MB and 6MB). In small devices, this creates really bad fragmentation which can cause crashes. I set the size at a fixed 6MB.

1 files changed, 5 insertions, 1 deletions

diff --git a/engines/toon/path.cpp b/engines/toon/path.cpp
index 677876fd8e..26355863f6 100644
--- a/engines/toon/path.cpp
+++ b/engines/toon/path.cpp
@@ -409,7 +409,11 @@ void PathFinding::init(Picture *mask) {
 	_height = mask->getHeight();
 	_currentMask = mask;
 	_heap->unload();
-	_heap->init(_width * _height);
+	// In order to reduce memory fragmentation on small devices, we use the maximum 
+	// possible size here which is TOON_BACKBUFFER_WIDTH. Even though this is 
+	// 1280 as opposed to the possible 640, it actually helps memory allocation on
+	// those devices.
+	_heap->init(TOON_BACKBUFFER_WIDTH * _height);	// should really be _width
 	delete[] _gridTemp;
 	_gridTemp = new int32[_width*_height];
 }