Various tweaks

core/src/mindustry/entities/EntityCollisions.java

@@ -10,7 +10,7 @@ import static mindustry.Vars.*;
 
 public class EntityCollisions{
     //range for tile collision scanning
-    private static final int r = 1;
+    private static final int r = 2;
     //move in 1-unit chunks
     private static final float seg = 1f;
 

core/src/mindustry/entities/EntityGroup.java

@@ -57,7 +57,7 @@ public class EntityGroup<T extends Entityc> implements Iterable<T>{
         each(Entityc::update);
     }
 
-    public void copy(Seq arr){
+    public void copy(Seq<T> arr){
         arr.addAll(array);
     }
 

core/src/mindustry/entities/comp/MechComp.java

@@ -8,7 +8,7 @@ import mindustry.gen.*;
 @Component
 abstract class MechComp implements Posc, Flyingc, Hitboxc, Unitc, Mechc, ElevationMovec{
     @SyncField(false) @SyncLocal float baseRotation;
-    transient float walkTime;
+    transient float walkTime, walkExtension;
 
     @Override
     public void update(){