Updated uCore, fixed GWT build, better client snapshot system

core/src/io/anuke/mindustry/entities/Player.java

@@ -89,6 +89,19 @@ public class Player extends Unit implements BuilderTrait, CarryTrait {
 
 	//region unit and event overrides, utility methods
 
+    @Override
+    public void interpolate() {
+        super.interpolate();
+
+        if(interpolator.values.length > 1){
+            baseRotation = interpolator.values[1];
+        }
+
+        if(interpolator.target.dst(interpolator.last) > 1f){
+            walktime += Timers.delta();
+        }
+    }
+
 	@Override
 	public CarriableTrait getCarry() {
 		return carrying;
@@ -568,6 +581,7 @@ public class Player extends Unit implements BuilderTrait, CarryTrait {
 		return control.input(playerIndex).canShoot() && control.input(playerIndex).isShooting() && inventory.hasAmmo();
 	}
 
+	@Override
 	public Queue<BuildRequest> getPlaceQueue(){
 		return placeQueue;
 	}

core/src/io/anuke/mindustry/entities/effect/ItemTransfer.java

@@ -3,17 +3,21 @@ package io.anuke.mindustry.entities.effect;
 import com.badlogic.gdx.math.Interpolation;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.utils.Pools;
+import io.anuke.annotations.Annotations.Loc;
+import io.anuke.annotations.Annotations.Remote;
+import io.anuke.mindustry.entities.Unit;
 import io.anuke.mindustry.graphics.Palette;
+import io.anuke.mindustry.net.In;
 import io.anuke.mindustry.type.Item;
 import io.anuke.ucore.entities.EntityGroup;
-import io.anuke.ucore.entities.trait.DrawTrait;
 import io.anuke.ucore.entities.impl.TimedEntity;
+import io.anuke.ucore.entities.trait.DrawTrait;
+import io.anuke.ucore.entities.trait.PosTrait;
 import io.anuke.ucore.function.Callable;
 import io.anuke.ucore.graphics.Draw;
 import io.anuke.ucore.graphics.Fill;
 import io.anuke.ucore.graphics.Lines;
 import io.anuke.ucore.util.Mathf;
-import io.anuke.ucore.entities.trait.PosTrait;
 
 import static io.anuke.mindustry.Vars.effectGroup;
 
@@ -26,6 +30,17 @@ public class ItemTransfer extends TimedEntity implements DrawTrait{
     private PosTrait to;
     private Callable done;
 
+    @Remote(in = In.entities, called = Loc.server, unreliable = true)
+    public static void transferAmmo(Item item, float x, float y, Unit to){
+        to.addAmmo(item);
+        create(item, x, y, to, () -> {});
+    }
+
+    @Remote(in = In.entities, called = Loc.server, unreliable = true)
+    public static void transferItemEffect(Item item, float x, float y, Unit to){
+        create(item, x, y, to, () -> {});
+    }
+
     public static void create(Item item, float fromx, float fromy, PosTrait to, Callable done){
         ItemTransfer tr = Pools.obtain(ItemTransfer.class);
         tr.item = item;