PortalGui

Author: emyfops

common/src/main/java/com/lambda/mixin/entity/ClientPlayerEntityMixin.java

@@ -24,12 +24,18 @@
 import com.lambda.event.events.TickEvent;
 import com.lambda.interaction.PlayerPacketManager;
 import com.lambda.interaction.request.rotation.RotationManager;
+import com.lambda.module.modules.player.PortalGui;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.screen.DeathScreen;
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
 import net.minecraft.client.input.Input;
 import net.minecraft.client.network.ClientPlayerEntity;
 import net.minecraft.entity.MovementType;
 import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.util.Hand;
 import net.minecraft.util.math.Vec3d;
+import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
@@ -51,6 +57,8 @@ public abstract class ClientPlayerEntityMixin extends EntityMixin {
     @Shadow
     protected abstract void autoJump(float dx, float dz);
 
+    @Shadow @Final protected MinecraftClient client;
+
     /**
      * Post movement events and applies the modified player velocity
      */
@@ -150,4 +158,22 @@ void onSwingHandPre(Hand hand, CallbackInfo ci) {
     public void damage(DamageSource source, float amount, CallbackInfoReturnable<Boolean> cir) {
         if (EventFlow.post(new PlayerEvent.Damage(source, amount)).isCanceled()) cir.setReturnValue(false);
     }
+
+    /**
+     * Prevents the game from closing Guis when the player is in a nether portal
+     * <pre>{@code
+     * if (this.client.currentScreen != null && !this.client.currentScreen.shouldPause() && !(this.client.currentScreen instanceof DeathScreen)) {
+     *     if (this.client.currentScreen instanceof HandledScreen) {
+     *         this.closeHandledScreen();
+     *     }
+     *
+     *     this.client.setScreen((Screen)null);
+     * }
+     * }</pre>
+     */
+    @Redirect(method = "updateNausea", at = @At(value = "FIELD", target = "Lnet/minecraft/client/MinecraftClient;currentScreen:Lnet/minecraft/client/gui/screen/Screen;"))
+    Screen keepScreensInPortal(MinecraftClient instance) {
+        if (PortalGui.INSTANCE.isEnabled()) return null;
+        else return client.currentScreen;
+    }
 }

common/src/main/kotlin/com/lambda/module/modules/player/PortalGui.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2025 Lambda
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lambda.module.modules.player
+
+import com.lambda.module.Module
+import com.lambda.module.tag.ModuleTag
+
+object PortalGui : Module(
+    name = "PortalGui",
+    description = "Allows you to open guis in portals",
+    defaultTags = setOf(ModuleTag.PLAYER),
+)