From 9ac98d0fc90c332c66621554cbc024cd70f38026 Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Sun, 9 Jul 2017 10:00:55 +0200
Subject: MOHAWK: Myst: Always update the screen during the gameloop

---
 engines/mohawk/cursors.cpp |  4 ----
 engines/mohawk/myst.cpp    | 10 ++--------
 engines/mohawk/myst.h      |  1 -
 3 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/engines/mohawk/cursors.cpp b/engines/mohawk/cursors.cpp
index ebc556137a..cef24e14e5 100644
--- a/engines/mohawk/cursors.cpp
+++ b/engines/mohawk/cursors.cpp
@@ -93,12 +93,10 @@ MystCursorManager::~MystCursorManager() {
 
 void MystCursorManager::showCursor() {
 	CursorMan.showMouse(true);
-	_vm->_needsUpdate = true;
 }
 
 void MystCursorManager::hideCursor() {
 	CursorMan.showMouse(false);
-	_vm->_needsUpdate = true;
 }
 
 void MystCursorManager::setCursor(uint16 id) {
@@ -139,8 +137,6 @@ void MystCursorManager::setCursor(uint16 id) {
 		Graphics::PixelFormat pixelFormat = g_system->getScreenFormat();
 		CursorMan.replaceCursor(surface->getPixels(), surface->w, surface->h, hotspotX, hotspotY, pixelFormat.RGBToColor(255, 255, 255), false, &pixelFormat);
 	}
-
-	_vm->_needsUpdate = true;
 }
 
 void MystCursorManager::setDefaultCursor() {
diff --git a/engines/mohawk/myst.cpp b/engines/mohawk/myst.cpp
index 3d45e389d0..3e1ca0eb53 100644
--- a/engines/mohawk/myst.cpp
+++ b/engines/mohawk/myst.cpp
@@ -70,7 +70,6 @@ MohawkEngine_Myst::MohawkEngine_Myst(OSystem *syst, const MohawkGameDescription
 	_mainCursor = kDefaultMystCursor;
 	_showResourceRects = false;
 	_curCard = 0;
-	_needsUpdate = false;
 	_canSafelySaveLoad = false;
 	_curResource = -1;
 	_hoverResource = nullptr;
@@ -264,13 +263,12 @@ Common::Error MohawkEngine_Myst::run() {
 	Common::Event event;
 	while (!shouldQuit()) {
 		// Update any background videos
-		_needsUpdate = _video->updateMovies();
+		_video->updateMovies();
 		_scriptParser->runPersistentScripts();
 
 		while (pollEvent(event)) {
 			switch (event.type) {
 			case Common::EVENT_MOUSEMOVE: {
-				_needsUpdate = true;
 				bool mouseClicked = _system->getEventManager()->getButtonState() & 1;
 
 				// Keep the same resource when dragging
@@ -349,10 +347,7 @@ Common::Error MohawkEngine_Myst::run() {
 			}
 		}
 
-		if (_needsUpdate) {
-			_system->updateScreen();
-			_needsUpdate = false;
-		}
+		_system->updateScreen();
 
 		// Cut down on CPU usage
 		_system->delayMillis(10);
@@ -643,7 +638,6 @@ void MohawkEngine_Myst::changeToCard(uint16 card, TransitionType transition) {
 		} else {
 			_gfx->copyBackBufferToScreen(Common::Rect(544, 333));
 			_system->updateScreen();
-			_needsUpdate = false;
 		}
 	}
 
diff --git a/engines/mohawk/myst.h b/engines/mohawk/myst.h
index 588880aaaf..d1b74d7912 100644
--- a/engines/mohawk/myst.h
+++ b/engines/mohawk/myst.h
@@ -193,7 +193,6 @@ public:
 	MystSoundBlock readSoundBlock(Common::ReadStream *stream) const;
 	void applySoundBlock(const MystSoundBlock &block);
 
-	bool _needsUpdate;
 	bool _needsPageDrop;
 	bool _needsShowMap;
 	bool _needsShowDemoMenu;
-- 
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