Fixed bugs with router clogging and save loading

core/src/io/anuke/mindustry/ai/Pathfind.java

@@ -92,13 +92,6 @@ public class Pathfind{
 			}
 		}
 		
-		//TODO make this work?
-		/*
-		PathFinderRequest<Tile> request = new PathFinderRequest<Tile>();
-		request.startNode = World.spawnpoints.get(0);
-		request.endNode = World.core;
-		passpathfinder.search(request, 1000); */
-		
 		for(int i = 0; i < paths.size; i ++){
 			SmoothGraphPath path = paths.get(i);
 			

core/src/io/anuke/mindustry/ui/LoadDialog.java

@@ -76,13 +76,17 @@ public class LoadDialog extends FloatingDialog{
 						hide();
 						try{
 							SaveIO.loadFromSlot(slot);
+							GameState.set(State.playing);
+							Vars.ui.hideMenu();
 						}catch(Exception e){
 							e.printStackTrace();
+							Vars.ui.hideMenu();
+							GameState.set(State.menu);
+							Vars.control.reset();
 							Vars.ui.showError("[orange]Save file corrupted or invalid!");
 							return;
 						}
-						Vars.ui.hideMenu();
-						GameState.set(State.playing);
+
 					}
 				}, 3f/60f);
 			}

core/src/io/anuke/mindustry/world/blocks/types/distribution/Conveyor.java

@@ -79,14 +79,14 @@ public class Conveyor extends Block{
 			for(int j = 0; j < entity.convey.size; j ++){
 				ItemPos other = pos2.set(entity.convey.get(j));
 				
-				if(other.y > pos.y && other.y - pos.y < 0.14){
+				if(other.y > pos.y && other.y - pos.y < 0.14 * Timers.delta()){
 					canmove = false;
 					break;
 				}
 			}
 			
 			if(canmove){
-				pos.y += speed * Timers.delta();
+				pos.y += Math.max(speed * Timers.delta(), 1f/252f); //TODO fix precision issues?
 				pos.x = MathUtils.lerp(pos.x, 0, 0.06f * Timers.delta());
 			}else{
 				pos.x = MathUtils.lerp(pos.x, pos.seed/128f/3f, 0.1f * Timers.delta());
@@ -138,7 +138,7 @@ public class Conveyor extends Block{
 	 * Conveyor data format:
 	 * [0] item ordinal
 	 * [1] x: byte ranging from -128 to 127, scaled should be at [-1, 1], corresponds to relative X from the conveyor middle
-	 * [2] y: byte ranging from 0 to 127, scaled should be at [0, 1], corresponds to relative Y from the conveyor start
+	 * [2] y: byte ranging from -128 to 127, scaled should be at [0, 1], corresponds to relative Y from the conveyor start
 	 * [3] seed: -128 to 127, unscaled
 	 * Size is 4 bytes, or one int.
 	 */
@@ -178,7 +178,7 @@ public class Conveyor extends Block{
 			byte[] values = Bits.getBytes(value);
 			item = items[values[0]];
 			x = values[1] / 127f;
-			y = ((int)values[2]) / 127f;
+			y = ((int)values[2] + 128) / 255f;
 			seed = values[3];
 			return this;
 		}
@@ -191,7 +191,7 @@ public class Conveyor extends Block{
 			byte[] bytes = Bits.getBytes(0);
 			bytes[0] = (byte)item.ordinal();
 			bytes[1] = (byte)(x*127);
-			bytes[2] = (byte)(y*127);
+			bytes[2] = (byte)(y*255-128);
 			bytes[3] = seed;
 			//UCore.log("Packing item: ", item, x, y, seed, "\n", Arrays.toString(bytes));
 			//UCore.log(Arrays.toString(Bits.getBytes(Bits.packInt(bytes))));

core/src/io/anuke/mindustry/world/blocks/types/distribution/Router.java

@@ -9,6 +9,7 @@ import io.anuke.mindustry.resource.Item;
 import io.anuke.mindustry.world.Block;
 import io.anuke.mindustry.world.Tile;
 import io.anuke.ucore.core.Timers;
+import io.anuke.ucore.util.Mathf;
 
 public class Router extends Block{
 	private ObjectMap<Tile, Byte> lastmap = new ObjectMap<>();
@@ -34,8 +35,10 @@ public class Router extends Block{
 	@Override
 	public void update(Tile tile){
 		if(Timers.get(tile, "dump", 2) && tile.entity.totalItems() > 0){
-			if(lastmap.get(tile, (byte)-1) != tile.rotation)
+			if(lastmap.get(tile, (byte)-1) != tile.rotation 
+					|| Mathf.chance(0.3)){ //sometimes dump backwards at a 1/4 chance... this somehow works?
 				tryDump(tile, tile.rotation, null);
+			}
 			
 			tile.rotation ++;
 			tile.rotation %= 4;

desktop/src/io/anuke/mindustry/desktop/DesktopLauncher.java

@@ -17,7 +17,7 @@ public class DesktopLauncher {
 		Lwjgl3ApplicationConfiguration config = new Lwjgl3ApplicationConfiguration();
 		config.setTitle("Mindustry");
 		config.setMaximized(true);
-		//config.useVsync(false);
+		config.useVsync(false);
 		config.setWindowedMode(800, 600);
 		config.setWindowIcon("sprites/icon.png");