Fixed invalid healing effects

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

@@ -49,7 +49,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     transient float healTime;
     private transient float resupplyTime = Mathf.random(10f);
     private transient boolean wasPlayer;
-    private transient float lastHealth;
+    private transient boolean wasHealed;
 
     public void moveAt(Vec2 vector){
         moveAt(vector, type.accel);
@@ -320,16 +320,23 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
         type.landed(self());
     }
 
+    @Override
+    public void heal(float amount){
+        if(health < maxHealth && amount > 0){
+            wasHealed = true;
+        }
+    }
+
     @Override
     public void update(){
 
         type.update(self());
 
-        if(health > lastHealth && lastHealth > 0 && healTime <= -1f){
+        if(wasHealed && healTime <= -1f){
             healTime = 1f;
         }
         healTime -= Time.delta / 20f;
-        lastHealth = health;
+        wasHealed = false;
 
         //check if environment is unsupported
         if(!type.supportsEnv(state.rules.environment) && !dead){