From d7512241d01f322d609082bbd105bbc5fc79ac93 Mon Sep 17 00:00:00 2001
From: Anuken <arnukren@gmail.com>
Date: Sun, 24 Dec 2023 21:14:00 -0500
Subject: [PATCH] Draw#discard()

---
 arc-core/src/arc/graphics/g2d/Batch.java             | 5 +++++
 arc-core/src/arc/graphics/g2d/Draw.java              | 7 ++++++-
 arc-core/src/arc/graphics/g2d/SortedSpriteBatch.java | 8 ++++++++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/arc-core/src/arc/graphics/g2d/Batch.java b/arc-core/src/arc/graphics/g2d/Batch.java
index 6ac693d26..020891498 100644
--- a/arc-core/src/arc/graphics/g2d/Batch.java
+++ b/arc-core/src/arc/graphics/g2d/Batch.java
@@ -101,6 +101,11 @@ protected void draw(Runnable request){
 
     protected abstract void flush();
 
+    /** Discards any pending sprites. */
+    protected void discard(){
+        idx = 0;
+    }
+
     protected void setBlending(Blending blending){
         if(this.blending != blending){
             flush();
diff --git a/arc-core/src/arc/graphics/g2d/Draw.java b/arc-core/src/arc/graphics/g2d/Draw.java
index a30333322..700036215 100644
--- a/arc-core/src/arc/graphics/g2d/Draw.java
+++ b/arc-core/src/arc/graphics/g2d/Draw.java
@@ -410,7 +410,12 @@ public static void vert(Texture texture, float[] vertices, int offset, int lengt
     }
 
     public static void flush(){
-        Core.batch.flush();
+        batch.flush();
+    }
+
+    /** Discards any pending batched sprites. */
+    public static void discard(){
+        batch.discard();
     }
 
     public static void proj(float x, float y, float w, float h){
diff --git a/arc-core/src/arc/graphics/g2d/SortedSpriteBatch.java b/arc-core/src/arc/graphics/g2d/SortedSpriteBatch.java
index 1933a0310..f9b7bb3a3 100644
--- a/arc-core/src/arc/graphics/g2d/SortedSpriteBatch.java
+++ b/arc-core/src/arc/graphics/g2d/SortedSpriteBatch.java
@@ -139,6 +139,14 @@ protected void flush(){
         super.flush();
     }
 
+    @Override
+    protected void discard(){
+        if(!flushing){
+            numRequests = 0;
+        }
+        super.discard();
+    }
+
     protected void flushRequests(){
         if(!flushing && numRequests > 0){
             flushing = true;