BLADERUNNER: Fix invalid rect in ESPER zoom

In some cornenr case when photo selection is ajdusted the final
rectangle might end up invalid and assert will occur.
This fixes this issue by correctly setting rect dimensions.

1 files changed, 8 insertions, 0 deletions

diff --git a/engines/bladerunner/ui/esper.cpp b/engines/bladerunner/ui/esper.cpp
index de41a1958e..fd94977fbc 100644
--- a/engines/bladerunner/ui/esper.cpp
+++ b/engines/bladerunner/ui/esper.cpp
@@ -1765,6 +1765,14 @@ void ESPER::updateSelection() {
 		}
 	}
 
+	if (left > right) {
+		SWAP(left, right);
+	}
+
+	if (top > bottom) {
+		SWAP(top, bottom);
+	}
+
 	_regionSelected = findRegion(Common::Rect(left, top, right, bottom));
 	if (_regionSelected >= 0) {
 		_regionSelectedAck = true;