Make RepairPoints implement Ranged (#4813)

Co-authored-by: Leonwang4234 <62972692+Leonwang4234@users.noreply.github.com>

core/src/mindustry/world/blocks/units/RepairPoint.java

@@ -11,6 +11,7 @@ import mindustry.annotations.Annotations.*;
 import mindustry.entities.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
+import mindustry.logic.*;
 import mindustry.world.*;
 import mindustry.world.meta.*;
 
@@ -63,7 +64,7 @@ public class RepairPoint extends Block{
         return new TextureRegion[]{baseRegion, region};
     }
 
-    public class RepairPointBuild extends Building{
+    public class RepairPointBuild extends Building implements Ranged{
         public Unit target;
         public float strength, rotation = 90;
 
@@ -126,6 +127,11 @@ public class RepairPoint extends Block{
             return Mathf.equal(efficiency(), 0f, 0.01f) ? BlockStatus.noInput : cons.status();
         }
 
+        @Override
+        public float range(){
+            return repairRadius;
+        }
+
         @Override
         public void write(Writes write){
             super.write(write);