Difficulty balance / Better map display / UI fixes

core/src/io/anuke/mindustry/maps/MapMeta.java

@@ -2,6 +2,7 @@ package io.anuke.mindustry.maps;
 
 import com.badlogic.gdx.utils.IntIntMap;
 import com.badlogic.gdx.utils.ObjectMap;
+import io.anuke.ucore.util.Bundles;
 
 public class MapMeta{
     public final int version;
@@ -18,15 +19,19 @@ public class MapMeta{
     }
 
     public String author(){
-        return tags.get("author", "unknown");
+        return tag("author");
     }
 
     public String description(){
-        return tags.get("description", "unknown");
+        return tag("description");
     }
 
     public String name(){
-        return tags.get("name", "unknown");
+        return tag("name");
+    }
+
+    public String tag(String name){
+        return tags.containsKey(name) && !tags.get(name).trim().isEmpty() ? tags.get(name): Bundles.get("text.unknown");
     }
 
     public boolean hasOreGen(){

core/src/io/anuke/mindustry/maps/generation/FortressGenerator.java

@@ -57,6 +57,7 @@ public class FortressGenerator{
 
     void gen(){
         gen.setBlock(enemyX, enemyY, StorageBlocks.core, team);
+        gen.random.nextBoolean();
 
         float difficultyScl = Mathf.clamp(gen.sector.difficulty / 20f + gen.random.range(0.25f), 0f, 0.9999f);
         float dscl2 = Mathf.clamp(0.5f + gen.sector.difficulty / 20f + gen.random.range(0.1f), 0f, 1.5f);

core/src/io/anuke/mindustry/maps/missions/MissionWithStartingCore.java

@@ -10,8 +10,6 @@ import io.anuke.mindustry.world.Tile;
 import static io.anuke.mindustry.Vars.state;
 
 public abstract class MissionWithStartingCore extends Mission{
-
-
     /** Stores a custom starting location for the core, or null if the default calculation (map center) shall be used. */
     private final GridPoint2 customStartingPoint;