clear depth if not in-world gui

Author: TarLaboratories

src/main/java/com/gregtechceu/gtceu/client/mui/screen/ModularScreen.java

@@ -45,6 +45,7 @@
 import org.jetbrains.annotations.MustBeInvokedByOverriders;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.lwjgl.opengl.GL11;
 
 import java.util.*;
 import java.util.function.Consumer;
@@ -354,6 +355,11 @@ public void drawForeground(GuiGraphics guiGraphics, float partialTicks) {
             if (panel.isEnabled()) {
                 WidgetTree.drawTreeForeground(panel, this.context);
             }
+            if (this.getContainer().inWorldID == -1) {
+                // clear depth, so that anything drawn next will be guaranteed to be on top
+                RenderSystem.clearDepth(1);
+                RenderSystem.clear(GL11.GL_DEPTH_BUFFER_BIT, Minecraft.ON_OSX);
+            }
         }
         this.context.drawDraggable(guiGraphics);
         this.context.popViewport(null);