From 5475bca1e1996977a45c598d61e186f10c407155 Mon Sep 17 00:00:00 2001
From: Peter Kohaut
Date: Thu, 24 Jan 2019 17:01:24 +0100
Subject: BLADERUNNER: Skip empty obstacle polygons

It was causing issues in BB07
---
 engines/bladerunner/obstacles.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'engines/bladerunner/obstacles.cpp')

diff --git a/engines/bladerunner/obstacles.cpp b/engines/bladerunner/obstacles.cpp
index 9a8792e361..6e038b9719 100644
--- a/engines/bladerunner/obstacles.cpp
+++ b/engines/bladerunner/obstacles.cpp
@@ -284,12 +284,20 @@ restart:
 			continue;
 		}
 
+		if (polyA.verticeCount == 0) {
+				continue;
+		}
+
 		for (int j = i+1; j < kPolygonCount; ++j) {
 			Polygon &polyB = _polygons[j];
 			if (!polyB.isPresent) {
 				continue;
 			}
 
+			if (polyB.verticeCount == 0) {
+				continue;
+			}
+
 			if (!overlaps(polyA.rect, polyB.rect)) {
 				continue;
 			}
-- 
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