refactor replaystuff cursor drawing

src/yugecin/opsudance/core/DisplayContainer.java

@@ -174,6 +174,7 @@ public class DisplayContainer implements ErrorDumpable, SkinChangedListener {
 
 	public void run() throws Exception {
 		while(!exitRequested && !(Display.isCloseRequested() && state.onCloseRequest()) || !confirmExit()) {
+			nowtime = System.currentTimeMillis();
 			delta = getDelta();
 
 			timeSinceLastRender += delta;

src/yugecin/opsudance/core/InstanceContainer.java

@@ -82,6 +82,7 @@ public class InstanceContainer {
 	public static boolean isWidescreen;
 	public static int mouseX, mouseY;
 	public static int renderDelta;
+	public static long nowtime;
 
 	public static void kickstart() {
 		updater = new Updater();