Recycle MeshQuad objects

Reduces client thread's RAM allocation rate from ~80 MB/s to ~20 MB/s.

1 files changed, 7 insertions, 3 deletions

diff --git a/src/main/java/makamys/neodymium/renderer/ChunkMesh.java b/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
index abe9a2d..ff6e6ba 100644
--- a/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
+++ b/src/main/java/makamys/neodymium/renderer/ChunkMesh.java
@@ -19,6 +19,7 @@ import makamys.neodymium.MixinConfigPlugin;
 import makamys.neodymium.Neodymium;
 import makamys.neodymium.ducks.IWorldRenderer;
 import makamys.neodymium.util.BufferWriter;
+import makamys.neodymium.util.RecyclingList;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.client.renderer.WorldRenderer;
@@ -40,6 +41,8 @@ public class ChunkMesh extends Mesh {
     public static int usedRAM = 0;
     public static int instances = 0;
     
+    private static RecyclingList<MeshQuad> quadBuf = new RecyclingList<>(() -> new MeshQuad());
+    
     public ChunkMesh(int x, int y, int z, Flags flags, int quadCount, ByteBuffer buffer, int pass) {
         this.x = x;
         this.y = y;
@@ -86,13 +89,14 @@ public class ChunkMesh extends Mesh {
         
         ChunkMesh.Flags flags = new ChunkMesh.Flags(t.hasTexture, t.hasBrightness, t.hasColor, t.hasNormals);
         
-        List<MeshQuad> quads = new ArrayList<>();
+        quadBuf.reset();
         
         for(int quadI = 0; quadI < t.vertexCount / 4; quadI++) {
-            MeshQuad quad = new MeshQuad(t.rawBuffer, quadI * 32, flags, tessellatorXOffset, tessellatorYOffset, tessellatorZOffset);
-            quads.add(quad);
+            quadBuf.next().setState(t.rawBuffer, quadI * 32, flags, tessellatorXOffset, tessellatorYOffset, tessellatorZOffset);
         }
         
+        List<MeshQuad> quads = quadBuf.getAsList();
+        
         if(Config.simplifyChunkMeshes) {
             ArrayList<ArrayList<MeshQuad>> quadsByPlaneDir = new ArrayList<>(); // XY, XZ, YZ
             for(int i = 0; i < 3; i++) {