From c7a9d4a6bd53ed7d61731770f2f10e8b9fd435f9 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Thu, 12 Feb 2026 22:33:32 -0800
Subject: Initial commit

---
 NET/worlds/scape/Recycler.java | 75 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 NET/worlds/scape/Recycler.java

(limited to 'NET/worlds/scape/Recycler.java')

diff --git a/NET/worlds/scape/Recycler.java b/NET/worlds/scape/Recycler.java
new file mode 100644
index 0000000..cab50e4
--- /dev/null
+++ b/NET/worlds/scape/Recycler.java
@@ -0,0 +1,75 @@
+package NET.worlds.scape;
+
+import NET.worlds.console.Main;
+import NET.worlds.console.MainCallback;
+
+public class Recycler implements MainCallback {
+   private static int minCapacity = 50;
+   private Object[] list = new Object[minCapacity];
+   private int numFilled = 0;
+   private int numAllocked = 0;
+   private int maxAllockedRecently = 0;
+   private int howRecently = 0;
+
+   Recycler() {
+      Main.register(this);
+   }
+
+   private void resizeTo(int newCapacity) {
+      assert newCapacity > this.numAllocked;
+
+      if (newCapacity < minCapacity) {
+         newCapacity = minCapacity;
+      }
+
+      if (newCapacity < this.list.length && this.list.length < 2 * newCapacity) {
+         while (this.numFilled > newCapacity) {
+            this.list[--this.numFilled] = null;
+         }
+      } else {
+         Object[] newList = new Object[newCapacity];
+
+         try {
+            System.arraycopy(this.list, 0, newList, 0, this.numAllocked);
+         } catch (Exception var4) {
+            throw new Error(var4.toString());
+         }
+
+         this.list = newList;
+         this.numFilled = this.numAllocked;
+      }
+   }
+
+   @Override
+   public void mainCallback() {
+      if (this.numAllocked > this.maxAllockedRecently) {
+         this.maxAllockedRecently = this.numAllocked;
+      }
+
+      if (++this.howRecently == 1000) {
+         int newCapacity = this.maxAllockedRecently + minCapacity;
+         if (newCapacity < this.list.length) {
+            this.resizeTo(newCapacity);
+         }
+
+         this.howRecently = 0;
+         this.maxAllockedRecently = this.numAllocked;
+      }
+
+      this.numAllocked = 0;
+   }
+
+   public Object alloc() {
+      assert Main.isMainThread();
+
+      return this.numAllocked == this.numFilled ? null : this.list[this.numAllocked++];
+   }
+
+   public void recycle(Object o) {
+      if (this.numFilled == this.list.length) {
+         this.resizeTo(this.list.length * 2);
+      }
+
+      this.list[this.numFilled++] = o;
+   }
+}
-- 
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