fix gamescene bug

Author: ABKQPO

src/main/java/com/hfstudio/guidenh/guide/scene/LytGuidebookScene.java

@@ -7,12 +7,11 @@
 import java.util.Map;
 import java.util.function.Consumer;
 
-import org.jetbrains.annotations.Nullable;
-
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.Gui;
 import net.minecraft.client.renderer.OpenGlHelper;
+import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.entity.Entity;
 import net.minecraft.init.Blocks;
@@ -21,6 +20,7 @@
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.Vec3;
 
+import org.jetbrains.annotations.Nullable;
 import org.joml.Vector3f;
 import org.lwjgl.input.Mouse;
 import org.lwjgl.opengl.GL11;
@@ -949,6 +949,7 @@ public void render(RenderContext context) {
             }
         }
 
+        restoreGuiRenderState();
         drawBottomControls(context, outerRect);
 
         // Draw border AFTER the 3D content so border pixels always sit on top.
@@ -981,6 +982,23 @@ public static LytRect updateCachedRect(@Nullable LytRect current, int x, int y,
         return new LytRect(x, y, w, h);
     }
 
+    private static void restoreGuiRenderState() {
+        // Scene overlays can temporarily change alpha/depth state. Restore the standard GUI state
+        // before the document continues rendering blocks below this scene.
+        GL11.glMatrixMode(GL11.GL_MODELVIEW);
+        OpenGlHelper.setActiveTexture(OpenGlHelper.defaultTexUnit);
+        GL11.glEnable(GL11.GL_TEXTURE_2D);
+        GL11.glEnable(GL11.GL_BLEND);
+        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
+        GL11.glEnable(GL11.GL_ALPHA_TEST);
+        GL11.glAlphaFunc(GL11.GL_GREATER, 0.1f);
+        GL11.glDisable(GL11.GL_LIGHTING);
+        GL11.glDisable(GL11.GL_DEPTH_TEST);
+        GL11.glDepthMask(true);
+        GL11.glColor4f(1f, 1f, 1f, 1f);
+        RenderHelper.disableStandardItemLighting();
+    }
+
     private void drawSceneButtons(int drawX, int drawY, int w, int h, int absX, int absY) {
         this.lastAbsX = absX;
         this.lastAbsY = absY;