Feat: in text UIs, show render progress in one line (#257)

The text UI gets quite messy during the render process, as it takes at least one extra line of the screen per second. This PR fixes that issue and also shows an ASCII bar to show the render progress.

src/com/sheepit/client/standalone/GuiTextOneLine.java

@@ -46,6 +46,7 @@ public class GuiTextOneLine implements Gui {
 	private String computeMethod;
 	private String status;
 	private String line;
+	private String eta;
 	
 	private int uploadQueueSize;
 	private long uploadQueueVolume;
@@ -65,6 +66,7 @@ public class GuiTextOneLine implements Gui {
 		uploadQueueSize = 0;
 		uploadQueueVolume = 0;
 		df = new SimpleDateFormat("MMM dd HH:mm:ss");
+		eta = "";
 	}
 	
 	@Override public void start() {
@@ -123,6 +125,10 @@ public class GuiTextOneLine implements Gui {
 		}
 	}
 	
+	@Override public void status(String msg, int progress) {
+		this.status(msg, progress, 0);
+	}
+	
 	@Override public void status(String msg, int progress, long size) {
 		status = showProgress(msg, progress, size);
 		updateLine();
@@ -160,7 +166,7 @@ public class GuiTextOneLine implements Gui {
 	}
 	
 	@Override public void setRemainingTime(String time_) {
-		status = "Rendering (remaining " + time_ + ")";
+		this.eta = time_;
 		updateLine();
 	}
 	
@@ -226,6 +232,10 @@ public class GuiTextOneLine implements Gui {
 			progressBar.append(String.format(" %dMB", (size / 1024 / 1024)));
 		}
 		
+		if (!this.eta.equals("")) {
+			progressBar.append(String.format(" ETA %s", this.eta));
+		}
+		
 		return progressBar.toString();
 	}
 }