From c73589305eae7d146fad2026039d7859b1869675 Mon Sep 17 00:00:00 2001
From: Konrad Nowakowski <konrad.x92@gmail.com>
Date: Tue, 9 Jan 2018 16:31:30 +0000
Subject: [PATCH] Fix bitwise NOT operator on BitMap's set_bit

---
 scene/resources/bit_mask.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scene/resources/bit_mask.cpp b/scene/resources/bit_mask.cpp
index e99db8d9cb4..e9e15a25321 100644
--- a/scene/resources/bit_mask.cpp
+++ b/scene/resources/bit_mask.cpp
@@ -81,7 +81,7 @@ void BitMap::set_bit_rect(const Rect2 &p_rect, bool p_value) {
 			if (p_value)
 				b |= (1 << bbit);
 			else
-				b &= !(1 << bbit);
+				b &= ~(1 << bbit);
 
 			data[bbyte] = b;
 		}
@@ -127,7 +127,7 @@ void BitMap::set_bit(const Point2 &p_pos, bool p_value) {
 	if (p_value)
 		b |= (1 << bbit);
 	else
-		b &= !(1 << bbit);
+		b &= ~(1 << bbit);
 
 	bitmask[bbyte] = b;
 }