Fixed some multiplayer crashes

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

@@ -473,7 +473,9 @@ public class Player extends Unit implements BuilderTrait, CarryTrait, ShooterTra
 			updateMech();
 		}
 
-		avoidOthers(8f);
+		if(isLocal) {
+			avoidOthers(8f);
+		}
 
 		if(!isShooting()) {
 			updateBuilding(this);

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

@@ -199,7 +199,6 @@ public abstract class Unit extends DestructibleEntity implements SaveTrait, Targ
     }
 
     public void avoidOthers(float avoidRange){
-        if(Net.client()) return;
 
         EntityPhysics.getNearby(getGroup(), x, y, avoidRange*2f, t -> {
             if(t == this || (t instanceof Unit && (((Unit) t).isDead() || (((Unit) t).isFlying() != isFlying()) || ((Unit) t).getCarrier() == this) || getCarrier() == t)) return;

core/src/io/anuke/mindustry/entities/traits/CarryTrait.java

@@ -41,6 +41,7 @@ public interface CarryTrait extends TeamTrait, SolidTrait, TargetTrait{
 
     @Remote(called = Loc.both, targets = Loc.both, forward = true, in = In.entities)
     static void setCarryOf(Player player, CarryTrait trait, CarriableTrait unit){
+        if(trait == null) return;
         if(player != null){ //when a server recieves this called from a player, set the carrier to the player.
             trait = player;
         }

core/src/io/anuke/mindustry/entities/units/BaseUnit.java

@@ -283,7 +283,9 @@ public abstract class BaseUnit extends Unit implements ShooterTrait{
 			return;
 		}
 
-		avoidOthers(8f);
+		if(!Net.client()){
+			avoidOthers(8f);
+		}
 
 		if(squad != null){
 			squad.update();