[1.20.2] Collapse TextureStitchEvent into a single post-stitch event

patches/net/minecraft/client/renderer/texture/TextureAtlas.java.patch

@@ -5,7 +5,7 @@
           this.animatedTextures = List.copyOf(list1);
        }
 +
-+      net.neoforged.neoforge.client.ClientHooks.onTextureStitchedPost(this);
++      net.neoforged.neoforge.client.ClientHooks.onTextureAtlasStitched(this);
     }
 
     @Override

src/main/java/net/neoforged/neoforge/client/ClientHooks.java

@@ -154,7 +154,7 @@
 import net.neoforged.neoforge.client.event.RenderTooltipEvent;
 import net.neoforged.neoforge.client.event.ScreenEvent;
 import net.neoforged.neoforge.client.event.ScreenshotEvent;
-import net.neoforged.neoforge.client.event.TextureStitchEvent;
+import net.neoforged.neoforge.client.event.TextureAtlasStitchedEvent;
 import net.neoforged.neoforge.client.event.ToastAddEvent;
 import net.neoforged.neoforge.client.event.ViewportEvent;
 import net.neoforged.neoforge.client.event.sound.PlaySoundEvent;
@@ -283,8 +283,8 @@ public static boolean renderSpecificFirstPersonArm(PoseStack poseStack, MultiBuf
         return NeoForge.EVENT_BUS.post(new RenderArmEvent(poseStack, multiBufferSource, packedLight, player, arm)).isCanceled();
     }
 
-    public static void onTextureStitchedPost(TextureAtlas map) {
-        ModLoader.get().postEvent(new TextureStitchEvent.Post(map));
+    public static void onTextureAtlasStitched(TextureAtlas atlas) {
+        ModLoader.get().postEvent(new TextureAtlasStitchedEvent(atlas));
     }
 
     public static void onBlockColorsInit(BlockColors blockColors) {

src/main/java/net/neoforged/neoforge/client/event/TextureAtlasStitchedEvent.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) NeoForged and contributors
+ * SPDX-License-Identifier: LGPL-2.1-only
+ */
+
+package net.neoforged.neoforge.client.event;
+
+import net.minecraft.client.renderer.texture.TextureAtlas;
+import net.neoforged.bus.api.Event;
+import net.neoforged.bus.api.ICancellableEvent;
+import net.neoforged.fml.LogicalSide;
+import net.neoforged.fml.event.IModBusEvent;
+import net.neoforged.fml.javafmlmod.FMLJavaModLoadingContext;
+import org.jetbrains.annotations.ApiStatus;
+
+/**
+ * Fired <b>after</b> a texture atlas is stitched together and all textures therein have been loaded.
+ *
+ * <p>This event is not {@linkplain ICancellableEvent cancellable}, and does not {@linkplain HasResult have a result}.</p>
+ *
+ * <p>This event is fired on the {@linkplain FMLJavaModLoadingContext#getModEventBus()} mod-specific event bus},
+ * only on the {@linkplain LogicalSide#CLIENT logical client}.</p>
+ *
+ * @see TextureAtlas
+ */
+public class TextureAtlasStitchedEvent extends Event implements IModBusEvent {
+    private final TextureAtlas atlas;
+
+    @ApiStatus.Internal
+    public TextureAtlasStitchedEvent(TextureAtlas atlas) {
+        this.atlas = atlas;
+    }
+
+    /**
+     * {@return the texture atlas}
+     */
+    public TextureAtlas getAtlas() {
+        return atlas;
+    }
+}