class="kw">package com.hypixel.hytale.builtin.hytalegenerator;

class="kw">import java.util.ArrayList;
class="kw">import java.util.List;
class="kw">import javax.annotation.Nonnull;
class="kw">import javax.annotation.Nullable;

class="kw">public class ReusableList<T> {
   @Nonnull
   class="kw">private class="kw">final List<T> data = new ArrayList<>(0);
   class="kw">private int softSize = 0;

   class="kw">public ReusableList() {
   }

   class="kw">public void expandAndSet(T var1) {
      if (this.isAtHardCapacity()) {
         this.data.add(var1);
      } else {
         this.data.set(this.softSize, var1);
      }

      this.softSize++;
   }

   @Nullable
   class="kw">public T expandAndGet() {
      if (this.isAtHardCapacity()) {
         this.data.add(null);
         class="kw">return null;
      } else {
         Object var1 = this.data.get(this.softSize);
         this.softSize++;
         class="kw">return var1;
      }
   }

   class="kw">public int getSoftSize() {
      class="kw">return this.softSize;
   }

   class="kw">public int getHardSize() {
      class="kw">return this.data.size();
   }

   class="kw">public boolean isAtHardCapacity() {
      class="kw">return this.softSize == this.data.size();
   }

   @Nullable
   class="kw">public T get(int var1) {
      if (var1 >= this.softSize) {
         throw new IndexOutOfBoundsException();
      } else {
         class="kw">return this.data.get(var1);
      }
   }

   class="kw">public void clear() {
      this.softSize = 0;
   }
}