New core landing animation

core/src/mindustry/world/blocks/storage/CoreBlock.java

@@ -29,6 +29,10 @@ public class CoreBlock extends StorageBlock{
     //hacky way to pass item modules between methods
     private static ItemModule nextItems;
 
+    public @Load("@-thruster1") TextureRegion thruster1; //top right
+    public @Load("@-thruster2") TextureRegion thruster2; //bot left
+    public float thrusterLength = 14f/4f;
+
     public UnitType unitType = UnitTypes.alpha;
 
     public float captureInvicibility = 60f * 15f;
@@ -176,6 +180,35 @@ public class CoreBlock extends StorageBlock{
         public boolean noEffect = false;
         public Team lastDamage = Team.derelict;
         public float iframes = -1f;
+        public float thrusterTime = 0f;
+
+        @Override
+        public void draw(){
+            //draw thrusters when just landed
+            if(thrusterTime > 0){
+                float frame = thrusterTime;
+
+                Draw.alpha(1f);
+                drawThrusters(frame);
+                Draw.rect(block.region, x, y);
+                Draw.alpha(Interp.pow4In.apply(frame));
+                drawThrusters(frame);
+                Draw.reset();
+
+                drawTeamTop();
+            }else{
+                super.draw();
+            }
+        }
+
+        public void drawThrusters(float frame){
+            float length = thrusterLength * (frame - 1f) - 1f/4f;
+            for(int i = 0; i < 4; i++){
+                var reg = i >= 2 ? thruster2 : thruster1;
+                float dx = Geometry.d4x[i] * length, dy = Geometry.d4y[i] * length;
+                Draw.rect(reg, x + dx, y + dy, i * 90);
+            }
+        }
 
         @Override
         public void damage(@Nullable Team source, float damage){
@@ -234,6 +267,7 @@ public class CoreBlock extends StorageBlock{
         @Override
         public void updateTile(){
             iframes -= Time.delta;
+            thrusterTime -= Time.delta/90f;
         }
 
         @Override