Fixed a crash

core/src/mindustry/content/UnitTypes.java

@@ -1,5 +1,6 @@
 package mindustry.content;
 
+import arc.struct.*;
 import mindustry.annotations.Annotations.*;
 import mindustry.ctype.*;
 import mindustry.gen.*;
@@ -44,6 +45,7 @@ public class UnitTypes implements ContentList{
             hitsize = 8f;
             mass = 1.75f;
             health = 130;
+            immunities = ObjectSet.with(StatusEffects.wet);
             weapons.add(new Weapon("chain-blaster"){{
                 reload = 10f;
                 x = 1.25f;

core/src/mindustry/entities/def/MinerComp.java

@@ -17,7 +17,7 @@ import mindustry.world.*;
 import static mindustry.Vars.*;
 
 @Component
-abstract class MinerComp implements Itemsc, Posc, Teamc, Rotc{
+abstract class MinerComp implements Itemsc, Posc, Teamc, Rotc, DrawLayerGroundc{
     @Import float x, y, rotation;
 
     transient float mineTimer;
@@ -79,7 +79,8 @@ abstract class MinerComp implements Itemsc, Posc, Teamc, Rotc{
         }
     }
 
-    void drawOver(){
+    @Override
+    public void drawGround(){
         if(!mining()) return;
         float focusLen = 4f + Mathf.absin(Time.time(), 1.1f, 0.5f);
         float swingScl = 12f, swingMag = tilesize / 8f;

core/src/mindustry/entities/def/UnitComp.java

@@ -171,6 +171,11 @@ abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitbox
         if(isGrounded()) draw();
     }
 
+    @Override
+    public boolean isPlayer(){
+        return controller instanceof Playerc;
+    }
+
     @Override
     public void killed(){
         float explosiveness = 2f + item().explosiveness * stack().amount;
@@ -189,20 +194,17 @@ abstract class UnitComp implements Healthc, Velc, Statusc, Teamc, Itemsc, Hitbox
         }
     }
 
-    //TODO this is bad
-
-    public boolean isPlayer(){
-        return controller instanceof Playerc;
-    }
-
+    @Override
     public boolean canMine(Item item){
         return type.drillTier >= item.hardness;
     }
 
+    @Override
     public float miningSpeed(){
         return type.mineSpeed;
     }
 
+    @Override
     public boolean offloadImmediately(){
         return false;
     }

core/src/mindustry/maps/planet/TestPlanetGenerator.java

@@ -53,6 +53,7 @@ public class TestPlanetGenerator implements PlanetGenerator{
     @Override
     public void generate(Vec3 position, TileGen tile){
         tile.floor = getBlock(position);
+        tile.overlay = Mathf.chance(0.01) ? Blocks.oreCopper : Blocks.air;
     }
 
     Block getBlock(Vec3 position){