Add graphical offset global settings.

Assets/Cryville/Crtr/ChartPlayer.cs

@@ -63,6 +63,7 @@ namespace Cryville.Crtr {
 		static double renderStep = 0.05;
 		public static double actualRenderStep = 0;
 		static bool autoRenderStep = false;
+		public static float graphicalOffset = 0;
 		public static float soundOffset = 0;
 		static float startOffset = 0;
 		public static float sv = 16f;
@@ -133,7 +134,7 @@ namespace Cryville.Crtr {
 				if (forceSyncFrames != 0) {
 					forceSyncFrames--;
 					double target = Game.AudioClient.Position - atime0;
-					dt = target - cbus.Time;
+					dt = target - cbus.Time - graphicalOffset;
 					step = autoRenderStep ? 1f / Application.targetFrameRate : renderStep;
 					inputProxy.SyncTime(target);
 				}
@@ -346,6 +347,7 @@ namespace Cryville.Crtr {
 			renderStep = Settings.Default.RenderStep;
 			actualRenderStep = renderStep;
 			autoRenderStep = renderStep == 0;
+			graphicalOffset = Settings.Default.GraphicalOffset;
 			soundOffset = Settings.Default.SoundOffset;
 			startOffset = Settings.Default.StartOffset;
 			forceSyncFrames= Settings.Default.ForceSyncFrames;

Assets/Cryville/Crtr/Settings.cs

@@ -61,6 +61,18 @@ namespace Cryville.Crtr {
 			}
 		}
 
+		[Category("gameplay")]
+		[Step(0.01f)]
+		[Precision(1e-3)]
+		public float GraphicalOffset {
+			get {
+				return PlayerPrefs.GetFloat("GraphicalOffset", 0);
+			}
+			set {
+				PlayerPrefs.SetFloat("GraphicalOffset", value);
+			}
+		}
+
 		[Browsable(false)]
 		public string LastRunVersion {
 			get {