Replaced ArrayLists with Arrays, overhauled requesting of logs from the server, improved rollback command and added log resetting.

core/src/io/anuke/mindustry/input/DesktopInput.java

@@ -111,6 +111,7 @@ public class DesktopInput extends InputHandler{
 		if(recipe == null && !ui.hasMouse() && Inputs.keyDown("block_logs")) {
 			showCursor = true;
 			if(Inputs.keyTap("select")){
+				NetEvents.handleBlockLogRequest(getBlockX(), getBlockY());
 				Timers.runTask(20f, () -> {
 					ui.hudfrag.blockfrag.showBlockLogs(getBlockX(), getBlockY());
 					Cursors.restoreCursor();