SHERLOCK: Fix random pixel transitions, and make it the default fade style

4 files changed, 13 insertions, 1 deletions

diff --git a/engines/sherlock/screen.cpp b/engines/sherlock/screen.cpp
index 38bbb93800..cbf18f146f 100644
--- a/engines/sherlock/screen.cpp
+++ b/engines/sherlock/screen.cpp
@@ -217,7 +217,7 @@ void Screen::randomTransition() {
 		if (offset < (SHERLOCK_SCREEN_WIDTH * SHERLOCK_SCREEN_HEIGHT))
 			*((byte *)getPixels() + offset) = *((const byte *)_backBuffer->getPixels() + offset);
 
-		if (idx != 0 && (idx % 100) == 0) {
+		if (idx != 0 && (idx % 300) == 0) {
 			// Ensure there's a full screen dirty rect for the next frame update
 			if (_dirtyRects.empty())
 				addDirtyRect(Common::Rect(0, 0, this->w, this->h));
diff --git a/engines/sherlock/sherlock.cpp b/engines/sherlock/sherlock.cpp
index 95da79d988..81d461b161 100644
--- a/engines/sherlock/sherlock.cpp
+++ b/engines/sherlock/sherlock.cpp
@@ -129,6 +129,9 @@ Common::Error SherlockEngine::run() {
 		if (shouldQuit())
 			break;
 
+		// Clear the screen
+		_screen->clear();
+
 		// Reset UI flags
 		_ui->reset();
 
diff --git a/engines/sherlock/surface.cpp b/engines/sherlock/surface.cpp
index 2dfbdef77f..36e625794c 100644
--- a/engines/sherlock/surface.cpp
+++ b/engines/sherlock/surface.cpp
@@ -172,4 +172,11 @@ bool Surface::clip(Common::Rect &srcBounds, Common::Rect &destBounds) {
 	return true;
 }
 
+/**
+ * Clear the screen
+ */
+void Surface::clear() {
+	fillRect(Common::Rect(0, 0, this->w, this->h), 0);
+}
+
 } // End of namespace Sherlock
diff --git a/engines/sherlock/surface.h b/engines/sherlock/surface.h
index d4a1584968..b2a759aa8d 100644
--- a/engines/sherlock/surface.h
+++ b/engines/sherlock/surface.h
@@ -53,6 +53,8 @@ public:
 
 	void fillRect(int x1, int y1, int x2, int y2, byte color);
 	void fillRect(const Common::Rect &r, byte color);
+
+	void clear();
 };
 
 } // End of namespace Sherlock