From aea8d637ea3e14255fdd011ef1ae38b4b7066b9e Mon Sep 17 00:00:00 2001
From: makamys <makamys@outlook.com>
Date: Sun, 14 Aug 2022 05:35:32 +0200
Subject: Disable vanilla chunk mesh construction

Improves chunk update performance
---
 .../java/makamys/neodymium/mixin/MixinTessellator.java     | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

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

diff --git a/src/main/java/makamys/neodymium/mixin/MixinTessellator.java b/src/main/java/makamys/neodymium/mixin/MixinTessellator.java
index 15f71da..cdd4ffe 100644
--- a/src/main/java/makamys/neodymium/mixin/MixinTessellator.java
+++ b/src/main/java/makamys/neodymium/mixin/MixinTessellator.java
@@ -1,10 +1,12 @@
 package makamys.neodymium.mixin;
 
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
+import makamys.neodymium.config.Config;
 import makamys.neodymium.ducks.ITessellator;
 import makamys.neodymium.renderer.ChunkMesh;
 import net.minecraft.client.renderer.Tessellator;
@@ -14,10 +16,20 @@ abstract class MixinTessellator implements ITessellator {
     
     private boolean nd$captureMeshes;
     
-    @Inject(method = "draw", at = @At(value = "HEAD"))
+    @Shadow protected abstract void reset();
+
+    @Shadow private boolean isDrawing;
+    
+    @Inject(method = "draw", at = @At(value = "HEAD"), cancellable = true)
     private void preDraw(CallbackInfoReturnable<Integer> cir) {
         if(nd$captureMeshes) {
             ChunkMesh.preTessellatorDraw((Tessellator)(Object)this);
+            
+            if(Config.enabled && !Config.enableVanillaChunkMeshes) {
+                isDrawing = false;
+                reset();
+                cir.setReturnValue(0);
+            }
         }
     }
     
-- 
cgit