From d6b0f3f9978799b26a3ebca1a91ebc110a6b894a Mon Sep 17 00:00:00 2001
From: makamys <makamys@outlook.com>
Date: Tue, 21 Jun 2022 04:46:43 +0200
Subject: Recycle MeshQuad objects

Reduces client thread's RAM allocation rate from ~80 MB/s to ~20 MB/s.
---
 .../java/makamys/neodymium/util/RecyclingList.java | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 src/main/java/makamys/neodymium/util/RecyclingList.java

(limited to 'src/main/java/makamys/neodymium/util')

diff --git a/src/main/java/makamys/neodymium/util/RecyclingList.java b/src/main/java/makamys/neodymium/util/RecyclingList.java
new file mode 100644
index 0000000..ea240bb
--- /dev/null
+++ b/src/main/java/makamys/neodymium/util/RecyclingList.java
@@ -0,0 +1,37 @@
+package makamys.neodymium.util;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Supplier;
+
+public class RecyclingList<T> {
+    
+    private Supplier<T> constructor;
+    
+    int nextIndex;
+    private List<T> list;
+    
+    public RecyclingList(Supplier<T> constructor) {
+        this.constructor = constructor;
+        this.list = new ArrayList<T>();
+    }
+    
+    public T get(int i) {
+        while(list.size() <= i) {
+            list.add(constructor.get());
+        }
+        return list.get(i);
+    }
+    
+    public T next() {
+        return get(nextIndex++);
+    }
+    
+    public void reset() {
+        nextIndex = 0;
+    }
+
+    public List<T> getAsList() {
+        return list.subList(0, nextIndex);
+    }
+}
-- 
cgit