From b273726df14e07d02860bc264b8e7150f3b01324 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Tue, 6 Dec 2011 17:08:53 +0200
Subject: DREAMWEB: Fixed mouse button checks (thanks wjp)

---
 engines/dreamweb/stubs.cpp | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'engines/dreamweb/stubs.cpp')

diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 6786ba48a7..313fec62a4 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -2241,9 +2241,7 @@ void DreamGenContext::zoomOnOff() {
 		data.byte(kCommandtype) = 222;
 		commandOnly(39);
 	}
-	if (data.word(kMousebutton) == data.word(kOldbutton))
-		return;
-	if ((data.word(kMousebutton) & 1) == 0)
+	if (!(data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
 		return;
 	data.byte(kZoomon) ^= 1;
 	createPanel();
@@ -3688,7 +3686,7 @@ void DreamGenContext::nextDest() {
 		commandOnly(28);
 	}
 
-	if ((data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
+	if (!(data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
 		return;	// nodu
 
 	do {
@@ -3719,7 +3717,7 @@ void DreamGenContext::lastDest() {
 		commandOnly(29);
 	}
 
-	if ((data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
+	if (!(data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
 		return;	// nodd
 
 	do {
@@ -3750,7 +3748,7 @@ void DreamGenContext::destSelect() {
 		commandOnly(30);
 	}
 
-	if ((data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
+	if (!(data.word(kMousebutton) & 1) || (data.word(kMousebutton) == data.word(kOldbutton)))
 		return;	// notrav
 
 	getDestInfo();
-- 
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