ZVISION: Create the concept of a working window

The working window is a Rect centered inside the actual window edges. All in-game
coordinates are in the working window coordinate system. Also, all images in-game
are clipped to the edges of the working window.

1 files changed, 11 insertions, 2 deletions

diff --git a/engines/zvision/zvision.h b/engines/zvision/zvision.h
index bf42bf2621..ca710804b0 100644
--- a/engines/zvision/zvision.h
+++ b/engines/zvision/zvision.h
@@ -64,10 +64,19 @@ public:
 	~ZVision();
 
 private:
+	enum {
+		WINDOW_WIDTH = 640,
+		WINDOW_HEIGHT = 480,
+		WORKING_WINDOW_WIDTH = 512,
+		WORKING_WINDOW_HEIGHT = 320,
+
+		ROTATION_SCREEN_EDGE_OFFSET = 60,
+		MAX_ROTATION_SPEED = 150 // Pixels per second
+	};
+
 	Console *_console;
 	const ZVisionGameDescription *_gameDescription;
-	const int _width;
-	const int _height;
+	const Common::Rect _workingWindow;
 	const Graphics::PixelFormat _pixelFormat;
 
 	const int _desiredFrameTime;