BLADERUNNER: Fixed scene video resume

Video in the back was always reset to the 1st frame. Now it is working
properly.
Also added game pause when the debugger is opened.

5 files changed, 23 insertions, 14 deletions

diff --git a/engines/bladerunner/bladerunner.cpp b/engines/bladerunner/bladerunner.cpp
index 08de96766c..08848190f3 100644
--- a/engines/bladerunner/bladerunner.cpp
+++ b/engines/bladerunner/bladerunner.cpp
@@ -911,7 +911,6 @@ void BladeRunnerEngine::gameTick() {
 			_sceneScript->sceneFrameAdvanced(frame);
 			backgroundChanged = true;
 		}
-		(void)backgroundChanged;
 		blit(_surfaceBack, _surfaceFront);
 
 		_overlays->tick();
@@ -1112,8 +1111,16 @@ void BladeRunnerEngine::handleKeyUp(Common::Event &event) {
 
 void BladeRunnerEngine::handleKeyDown(Common::Event &event) {
 	if ((event.kbd.keycode == Common::KEYCODE_d) && (event.kbd.flags & Common::KBD_CTRL)) {
+		_time->pause();
 		getDebugger()->attach();
 		getDebugger()->onFrame();
+
+		_time->resume();
+
+		if (!_kia->isOpen() && !_spinner->isOpen() && !_elevator->isOpen() && !_esper->isOpen() && !_dialogueMenu->isOpen() && !_scores->isOpen()) {
+			_scene->resume();
+		}
+
 		return;
 	}
 
diff --git a/engines/bladerunner/scene.cpp b/engines/bladerunner/scene.cpp
index 09764c9e50..78b1bb6da4 100644
--- a/engines/bladerunner/scene.cpp
+++ b/engines/bladerunner/scene.cpp
@@ -209,8 +209,8 @@ bool Scene::close(bool isLoadingGame) {
 	return result;
 }
 
-int Scene::advanceFrame() {
-	int frame = _vqaPlayer->update();
+int Scene::advanceFrame(bool useTime) {
+	int frame = _vqaPlayer->update(false, true, useTime);
 	if (frame >= 0) {
 		blit(_vm->_surfaceBack, _vm->_surfaceFront);
 		_vqaPlayer->updateZBuffer(_vm->_zbuffer);
@@ -268,7 +268,7 @@ void Scene::resume(bool isLoadingGame) {
 		if (_defaultLoopPreloadedSet) {
 			_specialLoopMode = kSceneLoopModeNone;
 			startDefaultLoop();
-			advanceFrame();
+			advanceFrame(false);
 			loopStartSpecial(_specialLoopMode, _specialLoop, false);
 		} else {
 			_defaultLoopPreloadedSet = true;
@@ -285,7 +285,7 @@ void Scene::resume(bool isLoadingGame) {
 
 	int frame;
 	do {
-		frame = advanceFrame();
+		frame = advanceFrame(false);
 	} while (frame >= 0 && frame != targetFrame);
 
 	if (!isLoadingGame) {
diff --git a/engines/bladerunner/scene.h b/engines/bladerunner/scene.h
index 0403cd331e..94de5755a1 100644
--- a/engines/bladerunner/scene.h
+++ b/engines/bladerunner/scene.h
@@ -71,7 +71,7 @@ public:
 
 	bool open(int setId, int sceneId, bool isLoadingGame);
 	bool close(bool isLoadingGame);
-	int  advanceFrame();
+	int  advanceFrame(bool useTime = true);
 	void resume(bool isLoadingGame = false);
 	void startDefaultLoop();
 	void setActorStart(Vector3 position, int facing);
diff --git a/engines/bladerunner/vqa_player.cpp b/engines/bladerunner/vqa_player.cpp
index 68a4e9491d..d4038ec4f8 100644
--- a/engines/bladerunner/vqa_player.cpp
+++ b/engines/bladerunner/vqa_player.cpp
@@ -71,7 +71,7 @@ void VQAPlayer::close() {
 	_s = nullptr;
 }
 
-int VQAPlayer::update(bool forceDraw, bool advanceFrame, Graphics::Surface *customSurface) {
+int VQAPlayer::update(bool forceDraw, bool advanceFrame, bool useTime, Graphics::Surface *customSurface) {
 	uint32 now = 60 * _vm->_system->getMillis();
 	int result = -1;
 
@@ -106,7 +106,7 @@ int VQAPlayer::update(bool forceDraw, bool advanceFrame, Graphics::Surface *cust
 		result = -1;
 	} else if (_frameNext > _frameEnd) {
 		result = -3;
-	} else if (now < _frameNextTime) {
+	} else if (useTime && (now < _frameNextTime)) {
 		result = -1;
 	} else if (advanceFrame) {
 		_frame = _frameNext;
@@ -131,11 +131,13 @@ int VQAPlayer::update(bool forceDraw, bool advanceFrame, Graphics::Surface *cust
 				queueAudioFrame(_decoder.decodeAudioFrame());
 			}
 		}
-		if (_frameNextTime == 0) {
-			_frameNextTime = now + 60000 / 15;
-		}
-		else {
-			_frameNextTime += 60000 / 15;
+		if (useTime) {
+			if (_frameNextTime == 0) {
+				_frameNextTime = now + 60000 / 15;
+			}
+			else {
+				_frameNextTime += 60000 / 15;
+			}
 		}
 		_frameNext++;
 		result = _frame;
diff --git a/engines/bladerunner/vqa_player.h b/engines/bladerunner/vqa_player.h
index c4dd182697..a51f39cc31 100644
--- a/engines/bladerunner/vqa_player.h
+++ b/engines/bladerunner/vqa_player.h
@@ -108,7 +108,7 @@ public:
 	bool open();
 	void close();
 
-	int  update(bool forceDraw = false, bool advanceFrame = true, Graphics::Surface *customSurface = nullptr);
+	int  update(bool forceDraw = false, bool advanceFrame = true, bool useTime = true, Graphics::Surface *customSurface = nullptr);
 	void updateZBuffer(ZBuffer *zbuffer);
 	void updateView(View *view);
 	void updateScreenEffects(ScreenEffects *screenEffects);