Fix loading screen hide

common/src/main/java/com/github/dimadencep/mods/rrls/mixins/workaround/VertexBufferMixin.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2023 - 2024 dima_dencep.
+ *
+ * Licensed under the Open Software License, Version 3.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ *
+ * You may obtain a copy of the License at
+ *     https://spdx.org/licenses/OSL-3.0.txt
+ */
+
+package com.github.dimadencep.mods.rrls.mixins.workaround;
+
+import net.minecraft.client.gl.ShaderProgram;
+import net.minecraft.client.gl.VertexBuffer;
+import org.joml.Matrix4f;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(VertexBuffer.class)
+public class VertexBufferMixin {
+    @Inject(
+            method = "drawInternal",
+            at = @At(
+                    value = "HEAD"
+            ),
+            cancellable = true
+    )
+    public void rrls$workaroundNullShader(Matrix4f viewMatrix, Matrix4f projectionMatrix, ShaderProgram program, CallbackInfo ci) {
+        if (program == null)
+            ci.cancel();
+    }
+}

common/src/main/resources/rrls-common.mixins.json

@@ -11,7 +11,8 @@
     "compat.RendererKeyboardMouseMixin",
     "compat.OverlayMixin",
     "compat.ServerResourcePackManagerMixin",
-    "workaround.DrawContentMixin"
+    "workaround.DrawContentMixin",
+    "workaround.VertexBufferMixin"
   ],
   "injectors": {
     "defaultRequire": 1