Misc minor fixes & cost balance

core/src/mindustry/ai/types/CommandAI.java

@@ -21,7 +21,7 @@ public class CommandAI extends AIController{
     /** All encountered unreachable buildings of this AI. Why a sequence? Because contains() is very rarely called on it. */
     public IntSeq unreachableBuildings = new IntSeq(8);
 
-    protected boolean stopAtTarget;
+    protected boolean stopAtTarget, stopWhenInRange;
     protected Vec2 lastTargetPos;
     protected int pathId = -1;
     protected Seq<Unit> local = new Seq<>(false);
@@ -194,6 +194,11 @@ public class CommandAI extends AIController{
                 }
             }
 
+            if(stopWhenInRange && targetPos != null && unit.within(targetPos, engageRange - 1f)){
+                targetPos = null;
+                stopWhenInRange = false;
+            }
+
         }else if(target != null){
             faceTarget();
         }
@@ -240,10 +245,15 @@ public class CommandAI extends AIController{
     }
 
     public void commandPosition(Vec2 pos){
+        commandPosition(pos, false);
+    }
+
+    public void commandPosition(Vec2 pos, boolean stopWhenInRange){
         targetPos = pos;
         lastTargetPos = pos;
         attackTarget = null;
         pathId = Vars.controlPath.nextTargetId();
+        this.stopWhenInRange = stopWhenInRange;
     }
 
     public void commandTarget(Teamc moveTo){

core/src/mindustry/content/Blocks.java

@@ -2543,7 +2543,7 @@ public class Blocks{
         fluxReactor = new VariableReactor("flux-reactor"){{
             requirements(Category.power, with(Items.graphite, 300, Items.carbide, 200, Items.oxide, 100, Items.silicon, 600, Items.surgeAlloy, 300));
             powerProduction = 120f;
-            maxHeat = 150f;
+            maxHeat = 140f;
 
             consumeLiquid(Liquids.cyanogen, 9f / 60f);
             liquidCapacity = 30f;
@@ -2934,7 +2934,7 @@ public class Blocks{
         }};
 
         coreCitadel = new CoreBlock("core-citadel"){{
-            requirements(Category.effect, with(Items.silicon, 4000, Items.beryllium, 5000, Items.tungsten, 3000, Items.oxide, 1000));
+            requirements(Category.effect, with(Items.silicon, 4000, Items.beryllium, 4000, Items.tungsten, 3000, Items.oxide, 1000));
 
             unitType = UnitTypes.incite;
             health = 16000;

core/src/mindustry/content/UnitTypes.java

@@ -3055,7 +3055,6 @@ public class UnitTypes{
                     trailWidth = 2f;
                     trailLength = 4;
                     shake = 1f;
-                    recoil = 0.1f;
 
                     trailEffect = Fx.missileTrail;
                     trailParam = 1.8f;
@@ -3093,6 +3092,7 @@ public class UnitTypes{
                 recoil = 0.5f;
 
                 bullet = new BulletType(){{
+                    shootSound = Sounds.lasershoot;
                     shootEffect = Fx.sparkShoot;
                     hitEffect = Fx.pointHit;
                     maxRange = 100f;